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Document and Entity Information - shares	9 Months Ended
Document and Entity Information - shares	Sep. 30, 2012	Oct. 31, 2012
Entity Registrant Name	UNITED COMMUNITY BANKS INC
Entity Central Index Key	0000857855
Document Type	10-Q
Document Period End Date	Sep. 30, 2012
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		42,403,765
Non-Voting Common Stock
Entity Common Stock, Shares Outstanding		15,316,794

Consolidated Statement of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Interest revenue:
Loans, including fees	$ 53,868	$ 59,294	$ 163,805	$ 181,359
Investment securities, including tax exempt of $225, $244, $737 and $754	10,706	14,568	34,772	42,964
Federal funds sold, reverse repurchase agreements, securities lending, commercial paper and deposits in banks	985	261	3,093	1,832
Total interest revenue	65,559	74,123	201,670	226,155
Deposits:
NOW	447	831	1,587	3,191
Money market	599	1,129	1,901	4,656
Savings	37	52	112	193
Time	4,612	9,086	15,844	31,813
Total deposit interest expense	5,695	11,098	19,444	39,853
Federal funds purchased, repurchase agreements and other short-term borrowings	514	1,081	2,463	3,197
Federal Home Loan Bank advances	26	441	882	1,601
Long-term debt	2,372	2,642	7,119	8,169
Total interest expense	8,607	15,262	29,908	52,820
Net interest revenue	56,952	58,861	171,762	173,335
Provision for loan losses	15,500	36,000	48,500	237,000
Net interest revenue after provision for loan losses	41,452	22,861	123,262	(63,665)
Fee revenue:
Service charges and fees	7,696	7,534	23,295	21,862
Mortgage loan and other related fees	2,800	1,148	7,221	3,594
Brokerage fees	709	836	2,331	2,204
Securities gains, net			7,047	838
Loss from prepayment of debt			(6,681)	(791)
Other	2,559	1,980	8,797	9,534
Total fee revenue	13,764	11,498	42,010	37,241
Total revenue	55,216	34,359	165,272	(26,424)
Operating expenses:
Salaries and employee benefits	22,918	25,262	72,440	76,622
Communications and equipment	3,254	3,284	9,620	10,006
Occupancy	3,539	3,794	10,849	11,673
Advertising and public relations	934	1,052	2,868	3,347
Postage, printing and supplies	954	1,036	2,849	3,239
Professional fees	2,180	2,051	6,107	7,731
Foreclosed property	3,706	2,813	9,382	69,603
FDIC assessments and other regulatory charges	2,537	2,603	7,592	11,660
Amortization of intangibles	728	748	2,190	2,270
Other	4,033	3,877	12,151	14,368
Total operating expenses	44,783	46,520	136,048	210,519
Net income (loss) before income taxes	10,433	(12,161)	29,224	(236,943)
Income tax (benefit) expense	(135)	(822)	629	(296)
Net income (loss)	10,568	(11,339)	28,595	(236,647)
Preferred stock dividends and discount accretion	3,041	3,019	9,103	8,813
Net income (loss) available to common shareholders	$ 7,527	$ (14,358)	$ 19,492	$ (245,460)
Earnings (loss) per common share - Basic / Diluted	$ 0.13	$ (0.25)	$ 0.34	$ (7.23)
Weighted average common shares outstanding - Basic / Diluted	57,880	57,599	57,826	33,973

Consolidated Statement of Operations (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statement of Operations [Abstract]
Tax exempt on investment securities	$ 225	$ 244	$ 737	$ 754

Consolidated Statement of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statement of Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ 10,568	$ (11,339)	$ 28,595	$ (236,647)
Unrealized gains (losses) on available for sale securities:
Unrealized holding gains (losses) arising during period	5,813	(2,852)	6,737	7,156
Reclassification adjustment for gains included in net income			(7,047)	(838)
Amortization of gains included in net income (loss) on available for sale securities transferred to held to maturity	(499)	(563)	(1,312)	(1,730)
Amortization of gains included in net income (loss) on derivative financial instrument accounted for as cash flow hedges	(763)	(2,948)	(3,077)	(12,570)
Unrealized losses on derivative financial instruments accounted for as cash flow hedges	(3,943)		(8,798)
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plans	154		462
Total other comprehensive income (loss)	762	(6,363)	(13,035)	(7,982)
Comprehensive income (loss)	$ 11,330	$ (17,702)	$ 15,560	$ (244,629)

Consolidated Balance Sheet - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
ASSETS
Cash and due from banks	$ 57,270	$ 53,807	$ 57,780
Interest-bearing deposits in banks	119,355	139,609	241,440
Federal funds sold, reverse repurchase agreements, securities lending, commercial paper and short-term investments	45,000	185,000
Cash and cash equivalents	221,625	378,416	299,220
Securities available for sale	1,761,994	1,790,047	1,769,083
Securities held to maturity (fair value $281,336, $343,531 and $369,020)	262,648	330,203	353,739
Mortgage loans held for sale	30,571	23,881	22,050
Loans, net of unearned income	4,137,845	4,109,614	4,109,875
Less allowance for loan losses	(107,642)	(114,468)	(146,092)
Loans, net	4,030,203	3,995,146	3,963,783
Assets covered by loss sharing agreements with the FDIC	53,070	78,145	83,623
Premises and equipment, net	170,532	175,088	176,839
Bank owned life insurance	81,574	80,599	80,452
Accrued interest receivable	19,133	20,693	19,744
Goodwill and other intangible assets	6,237	8,428	9,175
Foreclosed property	26,958	32,859	44,263
Other assets	34,690	69,915	72,302
Total assets	6,699,235	6,983,420	6,894,273
Deposits:
Demand	1,210,703	992,109	966,452
NOW	1,184,341	1,509,896	1,299,512
Money market	1,126,312	1,038,778	1,030,370
Savings	222,431	199,007	200,231
Time:
Less than $100,000	1,123,672	1,332,394	1,393,559
Greater than $100,000	731,766	847,152	905,183
Brokered	223,474	178,647	209,998
Total deposits	5,822,699	6,097,983	6,005,305
Federal funds purchased, repurchase agreements, and other short-term borrowings	53,243	102,577	102,883
Federal Home Loan Bank advances	50,125	40,625	40,625
Long-term debt	120,285	120,225	120,206
Unsettled securities purchases	24,319	10,325	10,585
Accrued expenses and other liabilities	43,309	36,199	31,302
Total liabilities	6,113,980	6,407,934	6,310,906
Shareholders' equity:
Common stock	42,393	41,647	41,596
Common stock issuable; 129,270, 93,681 and 88,501 shares	3,247	3,233	3,590
Capital surplus	1,056,998	1,054,940	1,053,565
Accumulated deficit	(711,369)	(730,861)	(737,736)
Accumulated other comprehensive (loss) income	(16,344)	(3,309)	12,869
Total shareholders' equity	585,255	575,486	583,367
Total liabilities and shareholders' equity	6,699,235	6,983,420	6,894,273
Series A Preferred Stock
Shareholders' equity:
Preferred stock	217	217	217
Total shareholders' equity	217	217	217
Series B Preferred Stock
Shareholders' equity:
Preferred stock	178,183	177,092	176,739
Total shareholders' equity	178,183	177,092	176,739
Series D Preferred Stock
Shareholders' equity:
Preferred stock	16,613	16,613	16,613
Total shareholders' equity	16,613	16,613	16,613
Non-Voting Common Stock
Shareholders' equity:
Common stock	15,317	15,914	15,914
Total shareholders' equity	$ 15,317	$ 15,914	$ 15,914

Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Held to maturity, fair value	$ 281,336	$ 343,531	$ 369,020
Preferred stock, par value	$ 1	$ 1	$ 1
Preferred stock, shares authorized	10,000,000	10,000,000	10,000,000
Common stock, par value	$ 1	$ 1	$ 1
Common stock, shares authorized	100,000,000	100,000,000	100,000,000
Common stock, shares issued	42,393,319	41,647,100	41,595,692
Common stock, shares outstanding	42,393,319	41,647,100	41,595,692
Common stock issuable, shares	129,270	93,681	88,501
Series A Preferred Stock
Preferred stock, par value	$ 10	$ 10	$ 10
Preferred stock, shares issued	21,700	21,700	21,700
Preferred stock, shares outstanding	21,700	21,700	21,700
Series B Preferred Stock
Preferred stock, par value	$ 1,000	$ 1,000	$ 1,000
Preferred stock, shares issued	180,000	180,000	180,000
Preferred stock, shares outstanding	180,000	180,000	180,000
Series D Preferred Stock
Preferred stock, par value	$ 1,000	$ 1,000	$ 1,000
Preferred stock, shares issued	16,613	16,613	16,613
Preferred stock, shares outstanding	16,613	16,613	16,613
Non-Voting Common Stock
Common stock, par value	$ 1	$ 1	$ 1
Common stock, shares authorized	30,000,000	30,000,000	30,000,000
Common stock, shares issued	15,316,794	15,914,209	15,914,209
Common stock, shares outstanding	15,316,794	15,914,209	15,914,209

Consolidated Statement of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Series A Preferred Stock	Series B Preferred Stock	Series D Preferred Stock	Series F Preferred Stock	Series G Preferred Stock	Non-Voting Common Stock	Common Stock	Common Stock Issuable	Capital Surplus	Accumulated Deficit	Accumulated Other Comprehensive Income
Beginning balance at Dec. 31, 2010	$ 468,578	$ 217	$ 175,711					$ 18,937	$ 3,894	$ 741,244	$ (492,276)	$ 20,851
Net loss	(236,647)										(236,647)
Other comprehensive loss	(7,982)											(7,982)
Preferred for common equity exchange related to tax benefits preservation plan (1,551,126 common shares)				16,613				(1,551)		(15,062)
Penalty received on incomplete private equity transaction	3,250									3,250
Conversion of Series F and Series G Preferred Stock (20,618,156 voting and 15,914,209 non-voting common shares)					(195,872)	(151,185)	15,914	20,618		310,525
Common stock issued to dividend Reinvestment plan and employee benefit plans	1,101							114		987
Common and preferred stock issued (3,467,699 common shares)	361,560				195,872	151,185		3,468		11,035
Amortization of stock option and restricted stock awards	1,485									1,485
Vesting of restricted stock								7	54	(61)
Deferred compensation plan, net, including dividend equivalents	183								183
Shares issued from deferred compensation plan								3	(541)	538
Tax on option exercise and restricted stock vesting	(376)									(376)
Preferred stock dividends:
Series A	(10)										(10)
Series B	(6,770)		1,028								(7,798)
Series D	(1,005)										(1,005)
Ending balance at Sep. 30, 2011	583,367	217	176,739	16,613			15,914	41,596	3,590	1,053,565	(737,736)	12,869
Beginning balance at Dec. 31, 2011	575,486	217	177,092	16,613			15,914	41,647	3,233	1,054,940	(730,861)	(3,309)
Net loss	28,595										28,595
Other comprehensive loss	(13,035)											(13,035)
Conversion of Series F and Series G Preferred Stock (20,618,156 voting and 15,914,209 non-voting common shares)							(597)	597
Common stock issued to dividend Reinvestment plan and employee benefit plans	702							86		616
Amortization of stock option and restricted stock awards	1,412									1,412
Vesting of restricted stock	(42)							60	155	(257)
Deferred compensation plan, net, including dividend equivalents	149								149
Shares issued from deferred compensation plan								3	(290)	287
Preferred stock dividends:
Series A	(9)										(9)
Series B	(6,750)		1,091								(7,841)
Series D	(1,253)										(1,253)
Ending balance at Sep. 30, 2012	$ 585,255	$ 217	$ 178,183	$ 16,613			$ 15,317	$ 42,393	$ 3,247	$ 1,056,998	$ (711,369)	$ (16,344)

Consolidated Statement of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - shares	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Common stock issued to dividend reinvestment plan and employee benefit plans	87,086	113,787
Common and preferred stock, shares issued		3,467,699
Vesting of restricted stock, shares issued	59,081	6,709
Vesting of restricted stock, shares deferred	36,673	6,382
Shares issued from deferred compensation plan	2,637	3,466
Series D Preferred Stock
Preferred for common equity exchange related to tax benefits preservation plan, shares		1,551,126
Series F Preferred Stock
Number of voting common shares in Conversion of Series F and Series G Preferred Stock		20,618,156
Number of non-voting common shares in Conversion of Series F and Series G Preferred Stock		15,914,209
Common and preferred stock, shares issued		3,467,699
Series G Preferred Stock
Number of voting common shares in Conversion of Series F and Series G Preferred Stock		20,618,156
Number of non-voting common shares in Conversion of Series F and Series G Preferred Stock		15,914,209
Common and preferred stock, shares issued		3,467,699
Non-Voting Common Stock
Number of voting common shares in Conversion of Series F and Series G Preferred Stock		20,618,156
Number of non-voting common shares in Conversion of Series F and Series G Preferred Stock		15,914,209
Conversion of stocks, shares	597,415
Common Stock
Preferred for common equity exchange related to tax benefits preservation plan, shares		1,551,126
Number of voting common shares in Conversion of Series F and Series G Preferred Stock		20,618,156
Number of non-voting common shares in Conversion of Series F and Series G Preferred Stock		15,914,209
Common stock issued to dividend reinvestment plan and employee benefit plans	87,086	113,787
Common and preferred stock, shares issued		3,467,699
Conversion of stocks, shares	597,415
Vesting of restricted stock, shares issued	59,081	6,709
Vesting of restricted stock, shares deferred	36,673	6,382
Shares issued from deferred compensation plan	2,637	3,466
Common Stock Issuable
Vesting of restricted stock, shares issued	59,081	6,709
Vesting of restricted stock, shares deferred	36,673	6,382
Shares issued from deferred compensation plan	2,637	3,466
Capital Surplus
Preferred for common equity exchange related to tax benefits preservation plan, shares		1,551,126
Number of voting common shares in Conversion of Series F and Series G Preferred Stock		20,618,156
Number of non-voting common shares in Conversion of Series F and Series G Preferred Stock		15,914,209
Common stock issued to dividend reinvestment plan and employee benefit plans	87,086	113,787
Common and preferred stock, shares issued		3,467,699
Vesting of restricted stock, shares issued	59,081	6,709
Vesting of restricted stock, shares deferred	36,673	6,382
Shares issued from deferred compensation plan	2,637	3,466

Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating activities:
Net income (loss)	$ 28,595	$ (236,647)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, amortization and accretion	24,478	14,670
Provision for loan losses	48,500	237,000
Stock based compensation	1,412	1,485
Securities gains, net	(7,047)	(838)
Losses and write downs on sales of other real estate owned	5,687	61,473
Loss on prepayment of borrowings	6,681	791
Changes in assets and liabilities:
Other assets and accrued interest receivable	40,708	29,854
Accrued expenses and other liabilities	(3,108)	(2,739)
Mortgage loans held for sale	(6,690)	13,858
Net cash provided by operating activities	139,216	118,907
Investment securities held to maturity:
Proceeds from maturities and calls	65,040	52,520
Purchases		(142,777)
Investment securities available for sale:
Proceeds from sales	371,103	106,603
Proceeds from maturities and calls	492,768	363,333
Purchases	(818,048)	(1,000,378)
Net (increase) decrease in loans	(104,806)	106,341
Proceeds from loan sales		99,298
Proceeds collected from FDIC under loss sharing agreements	7,301	29,987
Proceeds from sales of premises and equipment	667	636
Purchases of premises and equipment	(3,231)	(6,442)
Proceeds from sale of other real estate	22,309	70,951
Net cash provided by (used in) investing activities	33,103	(319,928)
Financing activities:
Net change in deposits	(275,284)	(463,867)
Net change in federal funds purchased, repurchase agreements, and other short-term borrowings	(53,814)	1,816
Proceeds from Federal Home Loan Bank advances	1,629,000
Settlement of Federal Home Loan Bank advances	(1,621,701)	(15,291)
Repayment of long-term debt		(30,000)
Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans	702	1,101
Proceeds from issuance of common and preferred stock, net of offering costs		361,560
Proceeds from penalty on incomplete private equity transaction		3,250
Cash dividends on preferred stock	(8,013)	(7,785)
Net cash used in financing activities	(329,110)	(149,216)
Net change in cash and cash equivalents	(156,791)	(350,237)
Cash and cash equivalents at beginning of period	378,416	649,457
Cash and cash equivalents at end of period	221,625	299,220
Cash paid (received) during the period for:
Interest	32,668	55,580
Income taxes	(27,103)	179
Unsettled securities purchases	$ 24,319	$ 10,585

Accounting Policies

9 Months Ended

Sep. 30, 2012

Accounting Policies [Abstract]

Accounting Policies

Note 1 – Accounting Policies

The accounting and financial reporting policies of United Community Banks, Inc. (“United”) and its subsidiaries conform to accounting principles generally accepted in the United States of America (“GAAP”) and general banking industry practices. The accompanying interim consolidated financial statements have not been audited. All material intercompany balances and transactions have been eliminated. A more detailed description of United’s accounting policies is included in its Annual Report on Form 10-K/A for the year ended December 31, 2011.

In management’s opinion, all accounting adjustments necessary to accurately reflect the financial position and results of operations on the accompanying financial statements have been made. These adjustments are normal and recurring accruals considered necessary for a fair and accurate presentation. The results for interim periods are not necessarily indicative of results for the full year or any other interim periods.

Foreclosed property is initially recorded at fair value, less the estimated cost to sell. If the fair value, less the estimated cost to sell at the time of foreclosure, is less than the loan balance, the deficiency is charged against the allowance for loan losses. If the fair value, less the cost to sell, of the foreclosed property decreases during the holding period, a valuation allowance is established with a charge to operating expenses. When the foreclosed property is sold, a gain or loss is recognized on the sale for the difference between the sales proceeds and the carrying amount of the property. Financed sales of foreclosed property are accounted for in accordance with the Financial Accounting Standards Board’s (“FASB”) Accounting Standards Codification (“ASC”) 360-20, Real Estate Sales.

Accounting Standards Updates

9 Months Ended

Sep. 30, 2012

Accounting Standards Updates [Abstract]

Accounting Standards Updates

Note 2 – Accounting Standards Updates

In August 2012, the FASB issued Accounting Standards Update No. 2012-03, Technical Amendments and Corrections to SEC sections. It amends various paragraphs related to SEC Staff Accounting Bulletin No. 114, which revises or rescinds portions of the interpretive guidance included in the codification of the Staff Accounting Bulletin Series; SEC Release No. 33-9250, which makes technical amendments to various rules and forms under the Securities Act of 1933 to conform those rules and forms to the ASC; and makes technical corrections related to FASB Accounting Standards Update No. 2010-22, Accounting for Various Topics – Technical Corrections to SEC Paragraphs. The update was effective upon issuance and did not have a material impact on United’s financial position, results of operations or disclosures.

In October 2012, the FASB issued Accounting Standards Update No. 2012-04, Technical Corrections and Improvement. It makes conforming amendments related to fair value measurements within the ASC as well as other technical corrections covering a broad range of topics. The amendments in the update that did not have transition guidance were effective upon issuance and the amendments subject to transition guidance will be effective for fiscal periods beginning after December 15, 2012, for public entities. The guidance is not expected to have a material impact on United’s financial position, results of operations or disclosures.

- Definition

The entire disclosure for reporting accounting changes and error corrections. It includes the conveyance of information necessary for a user of the Company's financial information to understand all aspects and required disclosure information concerning all changes and error corrections reported in the Company's financial statements for the period.

+ References + Details

Mergers and Acquisitions

9 Months Ended

Sep. 30, 2012

Mergers and Acquisitions [Abstract]

Mergers and Acquisitions

Note 3 – Mergers and Acquisitions

On June 19, 2009, United Community Bank (“UCB” or the “Bank”) purchased substantially all the assets and assumed substantially all the liabilities of Southern Community Bank (“SCB”) from the Federal Deposit Insurance Corporation (“FDIC”), as Receiver of SCB. UCB and the FDIC entered loss sharing agreements regarding future losses incurred on loans and foreclosed loan collateral existing at June 19, 2009. Under the terms of the loss sharing agreements, the FDIC will absorb 80 percent of losses and share 80 percent of loss recoveries on the first $109 million of losses and, absorb 95 percent of losses and share in 95 percent of loss recoveries on losses exceeding $109 million. The term for loss sharing on 1-4 family loans is ten years, while the term for loss sharing on all other loans is five years.

Under the loss sharing agreement, the portion of the losses expected to be indemnified by the FDIC is considered an indemnification asset in accordance with ASC 805, Business Combinations. The indemnification asset, referred to as “estimated loss reimbursement from the FDIC,” is included in the balance of “Assets covered by loss sharing agreements with the FDIC” on the Consolidated Balance Sheet. The indemnification asset was recognized at fair value, which was estimated at the acquisition date based on the terms of the loss sharing agreement. The indemnification asset is expected to be collected over a four-year average life. No valuation allowance was required.

Loans, foreclosed property and the estimated FDIC reimbursement resulting from the loss sharing agreements with the FDIC are reported as “Assets covered by loss sharing agreements with the FDIC” in the consolidated balance sheet.

The table below shows the components of covered assets at September 30, 2012, December 31, 2011 and September 30, 2011 (in thousands).


September 30, 2012	Purchased Impaired Loans		Other Purchased Loans		Other		Total
Commercial (secured by real estate)	$	—	$	25,808	$	—	$	25,808
Commercial & industrial		—		1,065		—		1,065
Construction and land development		405		4,088		—		4,493
Residential mortgage		116		5,466		—		5,582
Consumer installment		1		101		—		102

Total covered loans		522		36,528		—		37,050
Covered foreclosed property		—		—		7,050		7,050
Estimated loss reimbursement from the FDIC		—		—		8,970		8,970

Total covered assets	$	522	$	36,528	$	16,020	$	53,070

December 31, 2011
Commercial (secured by real estate)	$	—	$	32,934	$	—	$	32,934
Commercial & industrial		—		2,133		—		2,133
Construction and land development		547		10,592		—		11,139
Residential mortgage		145		7,970		—		8,115
Consumer installment		5		156		—		161

Total covered loans		697		53,785		—		54,482
Covered foreclosed property		—		—		10,371		10,371
Estimated loss reimbursement from the FDIC		—		—		13,292		13,292

Total covered assets	$	697	$	53,785	$	23,663	$	78,145

September 30, 2011
Commercial (secured by real estate)	$	—	$	34,546	$	—	$	34,546
Commercial & industrial		—		2,485		—		2,485
Construction and land development		1,771		10,282		—		12,053
Residential mortgage		186		8,376		—		8,562
Consumer installment		6		181		—		187

Total covered loans		1,963		55,870		—		57,833
Covered foreclosed property		—		—		11,488		11,488
Estimated loss reimbursement from the FDIC		—		—		14,302		14,302

Total covered assets	$	1,963	$	55,870	$	25,790	$	83,623

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1497-128463

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1490-128463

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
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-Number 88-16
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-Number 141R
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Reference 18: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 141
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

Reverse Repurchase Agreements / Securities Lending Transactions

9 Months Ended

Sep. 30, 2012

Reverse Repurchase Agreements / Securities Lending Transactions [Abstract]

Reverse Repurchase Agreements / Securities Lending Transactions

Note 4 – Reverse Repurchase Agreements / Securities Lending Transactions

United enters into reverse repurchase agreements in order to invest short-term funds. In addition, United enters into repurchase agreements and reverse repurchase agreements and offsetting securities lending transactions with the same counterparty in transactions commonly referred to as collateral swaps that are subject to master netting agreements under which the balances are netted in the balance sheet in accordance with ASC 210-20, Offsetting.

The following table presents a summary of amounts outstanding under reverse repurchase agreements and securities lending transactions including those entered into in connection with the same counterparty under master netting agreements as of September 30, 2012 and December 31, 2011 (in thousands). There were no balances outstanding at September 30, 2011.


	September 30, 2012
	Assets			Liabilities			Net Balance (Asset)
September 30, 2012
Repurchase agreements / reverse repurchase agreements subject to master netting agreements	$	225,000		$	225,000		$	—
Offsetting securities lending transactions subject to master netting arrangements		100,000			100,000			—
Other reverse repurchase agreements		45,000			—			45,000

Total	$	370,000		$	325,000		$	45,000

Weighted average interest rate		1.19	%		.41	%

December 31, 2011
Repurchase agreements / reverse repurchase agreements subject to master netting agreements	$	60,000		$	60,000		$	—
Other reverse repurchase agreements		185,000			—			185,000

Total	$	245,000		$	60,000		$	185,000

Weighted average interest rate		1.07	%		.38	%

Securities

9 Months Ended

Sep. 30, 2012

Securities [Abstract]

Securities

Note 5 – Securities

Realized gains and losses are derived using the specific identification method for determining the cost of securities sold. The following table summarizes securities sales activity for the three and nine month periods ended September 30, 2012 and 2011 (in thousands).


	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Proceeds from sales	$	—	$	—	$	371,103	$	106,603

Gross gains on sales	$	—	$	—	$	7,047	$	1,169
Gross losses on sales		—		—		—		(331	)

Net gains on sales of securities	$	—	$	—	$	7,047	$	838

Securities with a carrying value of $1.28 billion, $1.72 billion, and $1.89 billion were pledged to secure public deposits and other secured borrowings at September 30, 2012, December 31, 2011 and September 30, 2011, respectively. Substantial borrowing capacity remains available under borrowing arrangements with the FHLB with currently pledged securities.

Securities are classified as held to maturity when management has the positive intent and ability to hold them until maturity. Securities held to maturity are carried at amortized cost.

The amortized cost, gross unrealized gains and losses and fair value of securities held to maturity at September 30, 2012, December 31, 2011 and September 30, 2011 are as follows (in thousands).


			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
As of September 30, 2012
State and political subdivisions	$	51,790	$	5,795	$	—	$	57,585
Mortgage-backed securities⁽¹⁾		210,858		12,893		—		223,751

Total	$	262,648	$	18,688	$	—	$	281,336


As of December 31, 2011
U.S. Government agencies	$	5,000	$	6	$	—	$	5,006
State and political subdivisions		51,903		4,058		13		55,948
Mortgage-backed securities⁽¹⁾		273,300		9,619		342		282,577

Total	$	330,203	$	13,683	$	355	$	343,531


As of September 30, 2011
U.S. Government agencies	$	5,000	$	17	$	—	$	5,017
State and political subdivisions		50,185		3,721		22		53,884
Mortgage-backed securities⁽¹⁾		298,554		11,871		306		310,119

Total	$	353,739	$	15,609	$	328	$	369,020

⁽¹⁾	All are residential type mortgage-backed securities

The cost basis, unrealized gains and losses, and fair value of securities available for sale at September 30, 2012, December 31, 2011 and September 30, 2011 are presented below (in thousands).


			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
As of September 30, 2012
State and political subdivisions	$	27,403	$	1,478	$	3	$	28,878
Mortgage-backed securities⁽¹⁾		1,356,002		27,689		751		1,382,940
Corporate bonds		148,315		450		5,613		143,152
Asset-backed securities		204,522		713		806		204,429
Other		2,595		—		—		2,595

Total	$	1,738,837	$	30,330	$	7,173	$	1,761,994


As of December 31, 2011
U.S. Government agencies	$	43,592	$	158	$	—	$	43,750
State and political subdivisions		24,997		1,345		3		26,339
Mortgage-backed securities⁽¹⁾		1,576,064		33,988		143		1,609,909
Corporate bonds		119,110		—		11,432		107,678
Other		2,371		—		—		2,371

Total	$	1,766,134	$	35,491	$	11,578	$	1,790,047


As of September 30, 2011
U.S. Government agencies	$	33,597	$	109	$	—	$	33,706
State and political subdivisions		25,435		1,400		4		26,831
Mortgage-backed securities⁽¹⁾		1,556,639		39,177		416		1,595,400
Corporate bonds		119,066		—		8,424		110,642
Other		2,504		—		—		2,504

Total	$	1,737,241	$	40,686	$	8,844	$	1,769,083

⁽¹⁾	All are residential type mortgage-backed securities

The following table summarizes held to maturity securities in an unrealized loss position as of December 31, 2011 and September 30, 2011 (in thousands). As of September 30, 2012, there were no held to maturity securities in an unrealized loss position.


	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of December 31, 2011
State and political subdivisions	$	—	$	—	$	363	$	13	$	363	$	13
Mortgage-backed securities		10,967		342		—		—		10,967		342

Total unrealized loss position	$	10,967	$	342	$	363	$	13	$	11,330	$	355

As of September 30, 2011
State and political subdivisions	$	354	$	22	$	—	$	—	$	354	$	22
Mortgage-backed securities		9,828		306		—		—		9,828		306

Total unrealized loss position	$	10,182	$	328	$	—	$	—	$	10,182	$	328

The following table summarizes available for sale securities in an unrealized loss position as of September 30, 2012, December 31, 2011 and September 30, 2011 (in thousands).


	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of September 30, 2012
State and political subdivisions	$	—	$	—	$	12	$	3	$	12	$	3
Mortgage-backed securities		105,296		741		17,059		10		122,355		751
Corporate bonds		4,893		10		113,590		5,603		118,483		5,613
Asset-backed securities		90,766		806		—		—		90,766		806

Total unrealized loss position	$	200,955	$	1,557	$	130,661	$	5,616	$	331,616	$	7,173

As of December 31, 2011
State and political subdivisions	$	—	$	—	$	11	$	3	$	11	$	3
Mortgage-backed securities		98,687		110		22,719		33		121,406		143
Corporate bonds		42,864		5,197		64,765		6,235		107,629		11,432

Total unrealized loss position	$	141,551	$	5,307	$	87,495	$	6,271	$	229,046	$	11,578

As of September 30, 2011
State and political subdivisions	$	—	$	—	$	10	$	4	$	10	$	4
Mortgage-backed securities		255,896		416		—		—		255,896		416
Corporate bonds		44,251		3,765		66,341		4,659		110,592		8,424

Total unrealized loss position	$	300,147	$	4,181	$	66,351	$	4,663	$	366,498	$	8,844

At September 30, 2012, there were 41 available for sale securities and no held to maturity securities that were in an unrealized loss position. United does not intend to sell nor believes it will be required to sell securities in an unrealized loss position prior to the recovery of their amortized cost basis. Unrealized losses at September 30, 2012, December 31, 2011 and September 30, 2011 were primarily attributable to changes in interest rates, however the unrealized losses in corporate bonds also reflect downgrades in the underlying securities ratings since the time of acquisition. The bonds remain above investment grade and United does not consider them to be impaired.

Management evaluates securities for other-than-temporary impairment at least on a quarterly basis, and more frequently when economic or market concerns warrant such evaluation. Consideration is given to the length of time and the extent to which the fair value has been less than cost, the financial condition and near-term prospects of the issuer, among other factors. In analyzing an issuer’s financial condition, management considers whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and industry analysts’ reports. No impairment charges were recognized during the three or nine months ended September 30, 2012 or 2011.

The amortized cost and fair value of held to maturity and available for sale securities at September 30, 2012, by contractual maturity, are presented in the following table (in thousands).


	Available for Sale				Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
State and political subdivisions:
Within 1 year	$	5,960	$	5,969	$	—	$	—
1 to 5 years		15,266		16,321		8,589		9,379
5 to 10 years		5,329		5,656		21,558		24,064
More than 10 years		848		932		21,643		24,142

		27,403		28,878		51,790		57,585

Corporate bonds:
1 to 5 years		38,002		37,503		—		—
5 to 10 years		109,313		105,349		—		—
More than 10 years		1,000		300		—		—

		148,315		143,152		—		—

Asset-backed securities
1 to 5 years		61,429		61,108		—		—
5 to 10 years		134,885		135,212		—		—
More than 10 years		8,208		8,109		—		—

		204,522		204,429		—		—

Other:
More than 10 years		2,595		2,595		—		—

		2,595		2,595		—		—

Total securities other than mortgage-backed securities:
Within 1 year		5,960		5,969		—		—
1 to 5 years		114,697		114,932		8,589		9,379
5 to 10 years		249,527		246,217		21,558		24,064
More than 10 years		12,651		11,936		21,643		24,142
Mortgage-backed securities		1,356,002		1,382,940		210,858		223,751

	$	1,738,837	$	1,761,994	$	262,648	$	281,336

Expected maturities may differ from contractual maturities because issuers and borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

Effective July 1, 2012, United changed the time period over which it amortizes premiums on pass through mortgage backed securities. Previously, United amortized premiums over the average life of the securities which resulted in the recognition of greater amortization charges in the early years of the bond’s life. The effect on amortization of management’s recent strategy of purchasing high premium securities to protect net interest revenue in the event of rising interest rates led management to the decision to change the amortization period. Effective July 1, 2012, United began amortizing premiums on these securities to the final payment window date as published by Bloomberg. Management believes that the premium amortization charges resulting from amortizing to the final payment window date, together with the related premium amortization on principal pay-downs, more closely approach the level yield amortization required by GAAP, particularly as it relates to these securities. The change in accounting estimate increased interest revenue on investment securities in the third quarter by approximately $2 million and earnings per share by $.03.

Loans and Allowance for Loan Losses

9 Months Ended

Sep. 30, 2012

Loans and Allowance for Loan Losses [Abstract]

Loans and Allowance for Loan Losses

Note 6 – Loans and Allowance for Loan Losses

Major classifications of loans as of September 30, 2012, December 31, 2011 and September 30, 2011, are summarized as follows (in thousands).


	September 30,			December 31,			September 30,
	2012			2011			2011
Commercial (secured by real estate)	$	1,819,155		$	1,821,414		$	1,771,101
Commercial & industrial		459,997			428,249			429,043
Commercial construction		160,765			164,155			168,531

Total commercial		2,439,917			2,413,818			2,368,675
Residential mortgage		1,174,236			1,134,902			1,149,678
Residential construction		388,742			448,391			474,552
Consumer installment		134,950			112,503			116,970

Total loans		4,137,845			4,109,614			4,109,875
Less allowance for loan losses		(107,642	)		(114,468	)		(146,092	)

Loans, net	$	4,030,203		$	3,995,146		$	3,963,783

The Bank makes loans and extensions of credit to individuals and a variety of firms and corporations located primarily in counties in north Georgia, the Atlanta, Georgia metropolitan statistical area, the Gainesville, Georgia metropolitan statistical area, coastal Georgia, western North Carolina and east Tennessee. Although the Bank has a diversified loan portfolio, a substantial portion of its loan portfolio is collateralized by improved and unimproved real estate and is dependent upon the real estate market.

Changes in the allowance for loan losses for the three and nine months ended September 30, 2012 and 2011 are summarized as follows (in thousands).


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
Balance beginning of period	$	112,705	$	127,638	$	114,468	$	174,695
Provision for loan losses		15,500		36,000		48,500		237,000
Charge-offs:
Commercial (secured by real estate)		8,445		2,270		16,791		54,410
Commercial & industrial		343		866		1,987		5,832
Commercial construction		3,198		1,705		3,650		52,400
Residential mortgage		3,575		6,399		13,356		47,742
Residential construction		6,231		7,668		21,706		106,692
Consumer installment		442		970		1,603		2,949

Total loans charged-off		22,234		19,878		59,093		270,025

Recoveries:
Commercial (secured by real estate)		271		78		571		352
Commercial & industrial		602		446		802		849
Commercial construction		8		80		38		191
Residential mortgage		48		289		592		660
Residential construction		555		1,287		1,153		1,544
Consumer installment		187		152		611		826

Total recoveries		1,671		2,332		3,767		4,422

Net charge-offs		20,563		17,546		55,326		265,603

Balance end of period	$	107,642	$	146,092	$	107,642	$	146,092

In the first quarter of 2011, United’s Board of Directors adopted an accelerated problem asset disposition plan which included the bulk sale of $267 million in classified loans. Those loans were classified as held for sale at the end of the first quarter of 2011 and were written down to the expected proceeds from the sale. The charge-offs on the loans transferred to held for sale in anticipation of the bulk loan sale, which closed on April 18, 2011, increased first quarter 2011 loan charge-offs by $186 million. The actual loss on the bulk loan sale at closing was less than the amount charged-off in the first quarter, resulting in a $7.27 million reduction of second quarter 2011 charge-offs.

The following table presents the balance and activity in the allowance for loan losses by portfolio segment and the recorded investment in loans by portfolio segment based on the impairment method as of September 30, 2012, December 31, 2011 and September 30, 2011 (in thousands).


Nine Months Ended September 30, 2012	Commercial (Secured by Real Estate)			Commercial & Industrial			Commercial Construction			Residential Mortgage			Residential Construction			Consumer Installment			Unallocated			Total
Allowance for loan losses:
Beginning balance	$	31,644		$	5,681		$	6,097		$	29,076		$	30,379		$	2,124		$	9,467		$	114,468
Charge-offs		(16,791	)		(1,987	)		(3,650	)		(13,356	)		(21,706	)		(1,603	)		—			(59,093	)
Recoveries		571			802			38			592			1,153			611			—			3,767
Provision		11,351			362			6,101			11,163			18,233			1,738			(448	)		48,500

Ending balance	$	26,775		$	4,858		$	8,586		$	27,475		$	28,059		$	2,870		$	9,019		$	107,642

Ending allowance attributable to loans:
Individually evaluated for impairment	$	6,692		$	725		$	2,289		$	1,856		$	1,270		$	21		$	—		$	12,853
Collectively evaluated for impairment		20,083			4,133			6,297			25,619			26,789			2,849			9,019			94,789

Total ending allowance balance	$	26,775		$	4,858		$	8,586		$	27,475		$	28,059		$	2,870		$	9,019		$	107,642

Loans:
Individually evaluated for impairment	$	119,023		$	53,531		$	42,249		$	21,678		$	31,576		$	498		$	—		$	268,555
Collectively evaluated for impairment		1,700,132			406,466			118,516			1,152,558			357,166			134,452			—			3,869,290

Total loans	$	1,819,155		$	459,997		$	160,765		$	1,174,236		$	388,742		$	134,950		$	—		$	4,137,845

December 31, 2011
Allowance for loan losses:
Ending allowance attributable to loans:
Individually evaluated for impairment	$	7,491		$	1,117		$	236		$	2,234		$	3,731		$	16		$	—		$	14,825
Collectively evaluated for impairment		24,153			4,564			5,861			26,842			26,648			2,108			9,467			99,643

Total ending allowance balance	$	31,644		$	5,681		$	6,097		$	29,076		$	30,379		$	2,124		$	9,467		$	114,468

Loans:
Individually evaluated for impairment	$	107,831		$	57,828		$	26,245		$	18,376		$	46,687		$	292		$	—		$	257,259
Collectively evaluated for impairment		1,713,583			370,421			137,910			1,116,526			401,704			112,211			—			3,852,355

Total loans	$	1,821,414		$	428,249		$	164,155		$	1,134,902		$	448,391		$	112,503		$	—		$	4,109,614

Nine Months Ended September 30, 2011
Allowance for loan losses:
Beginning balance	$	31,191		$	7,580		$	6,780		$	22,305		$	92,571		$	3,030		$	11,238		$	174,695
Charge-offs		(54,410	)		(5,832	)		(52,400	)		(47,742	)		(106,692	)		(2,949	)		—			(270,025	)
Recoveries		352			849			191			660			1,544			826			—			4,422
Provision		48,344			20,174			54,133			53,786			57,842			1,296			1,425			237,000

Ending balance	$	25,477		$	22,771		$	8,704		$	29,009		$	45,265		$	2,203		$	12,663		$	146,092

Ending allowance attributable to loans:
Individually evaluated for impairment	$	4,070		$	17,067		$	4,038		$	1,062		$	7,267		$	37		$	—		$	33,541
Collectively evaluated for impairment		21,407			5,704			4,666			27,947			37,998			2,166			12,663			112,551

Total ending allowance balance	$	25,477		$	22,771		$	8,704		$	29,009		$	45,265		$	2,203		$	12,663		$	146,092

Loans:
Individually evaluated for impairment	$	54,126		$	52,433		$	23,844		$	8,043		$	44,189		$	95		$	—		$	182,730
Collectively evaluated for impairment		1,716,975			376,610			144,687			1,141,635			430,363			116,875			—			3,927,145

Total loans	$	1,771,101		$	429,043		$	168,531		$	1,149,678		$	474,552		$	116,970		$	—		$	4,109,875

In calculating specific reserves, United reviews all loans that are on nonaccrual with a balance of $500,000 or greater for impairment, as well as accruing substandard relationships greater than $2 million and all troubled debt restructurings (“TDRs”). A loan is considered impaired when, based on current events and circumstances, it is probable that all amounts due, according to the contractual terms of the loan, will not be collected. All TDRs are considered impaired regardless of accrual status. Impaired loans are measured based on the present value of expected future cash flows, discounted at the loan’s effective interest rate, the loan’s observable market price, or the fair value of the collateral if the loan is collateral dependent. Interest payments received on impaired nonaccrual loans are applied as a reduction of the outstanding principal balance. For impaired loans not on nonaccrual status, interest is accrued according to the terms of the loan agreement. Impairment amounts are recorded quarterly and specific reserves are recorded in the allowance for loan losses.

Each quarter, United’s management prepares an analysis of the allowance for loan losses to determine the appropriate balance that measures and quantifies the amount of loss inherent in the loan portfolio. The allowance is comprised of specific reserves which are determined as described above, general reserves which are determined based on historical loss experience as adjusted for current trends and economic conditions and an unallocated portion. United uses eight quarters of historical loss experience weighted toward the most recent quarters to determine the loss factors to be used. Eight quarters has been determined to be an appropriate time period as it is recent enough to be relevant to current conditions and covers a length of time sufficient to normalize for nonrecurring and unusual activity that might otherwise influence a shorter time period. The weighted average is accomplished by multiplying each quarter’s annualized historical net charge-off rate by 1 through 8, with 8 representing the most recent quarter and 1 representing the oldest quarter. United uses annualized charge-off rates under the broad assumption that losses inherent in the loan portfolio will generally be resolved within twelve months. Problem loans that are not resolved within twelve months are generally larger loans that are more complex in nature requiring more time to either rehabilitate or work out of the bank. These credits are subject to impairment testing and specific reserves.

The weighted loss factor results for each quarter are added together and divided by 36 (the sum of 1, 2, 3, 4, 5, 6, 7 and 8) to arrive at the weighted average historical loss factor for each category of loans. United calculates loss factors for each major category of loans (commercial real estate, commercial & industrial, commercial construction, residential construction and consumer installment) except residential real estate loans which are further divided into home equity first lien, home equity junior lien and all other residential real estate loans and a loss factor is calculated for each category.

Management carefully reviews the resulting loss factors for each category of the loan portfolio and evaluates whether qualitative adjustments are necessary to take into consideration recent credit trends such as increases or decreases in past due, nonaccrual, criticized and classified loans, acceleration or delays in timing of recognition of losses that may render the use of annualized charge-off rates to be inappropriate, and other macro environmental factors such as changes in unemployment rates, lease vacancy rates and trends in property values and absorption rates.

To validate the results, management closely monitors the loan portfolio to determine the range of potential losses based upon probability of default and losses upon default for each major loan category. The potential range of losses resulting from this analysis is compared to the resulting loss factors for each major loan category to validate the loss factors and determine if qualitative adjustments are necessary. United’s management believes that its method of determining the balance of the allowance for loan losses provides a reasonable and reliable basis for measuring and reporting losses that are inherent in the loan portfolio as of the reporting date.

At September 30, 2012, December 31, 2011 and September 30, 2011, loans with a carrying value of $1.78 billion, $1.52 billion and $1.37 billion were pledged as collateral to secure FHLB advances and other contingent funding sources.

The recorded investments in individually evaluated impaired loans at September 30, 2012, December 31, 2011 and September 30, 2011 were as follows (in thousands).


	September 30,		December 31,		September 30,
	2012		2011		2011
Period-end loans with no allocated allowance for loan losses	$	174,113	$	188,509	$	66,636
Period-end loans with allocated allowance for loan losses		94,442		68,750		116,094

Total	$	268,555	$	257,259	$	182,730

Amount of allowance for loan losses allocated	$	12,853	$	14,825	$	33,541

The average balances of impaired loans and income recognized on impaired loans while they were considered impaired is presented below for the three and nine months ended September 30, 2012 and 2011 (in thousands).


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
Average balance of individually evaluated impaired loans during period	$	275,960	$	109,164	$	281,307	$	81,031
Interest income recognized during impairment		2,110		797		6,798		797
Cash-basis interest income recognized		2,932		630		9,340		630

The following table presents loans individually evaluated for impairment by class of loans as of September 30, 2012, December 31, 2011 and September 30, 2011 (in thousands).


	September 30, 2012						December 31, 2011						September 30, 2011
	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated
With no related allowance recorded:
Commercial (secured by real estate)	$	85,137	$	77,801	$	—	$	82,887	$	76,215	$	—	$	45,242	$	38,242	$	—
Commercial & industrial		76,247		51,247		—		77,628		52,628		—		48		48		—
Commercial construction		17,739		16,656		—		24,927		23,609		—		6,803		6,309		—

Total commercial		179,123		145,704		—		185,442		152,452		—		52,093		44,599		—
Residential mortgage		11,091		8,746		—		13,845		10,804		—		7,745		5,588		—
Residential construction		32,228		19,601		—		38,955		25,190		—		31,646		16,421		—
Consumer installment		62		62		—		63		63		—		28		28		—

Total with no related allowance recorded		222,504		174,113		—		238,305		188,509		—		91,512		66,636		—

With an allowance recorded:
Commercial (secured by real estate)		44,590		41,222		6,692		31,806		31,616		7,491		16,173		15,884		4,070
Commercial & industrial		2,321		2,284		725		5,200		5,200		1,117		54,259		52,385		17,067
Commercial construction		26,476		25,593		2,289		2,636		2,636		236		17,850		17,535		4,038

Total commercial		73,387		69,099		9,706		39,642		39,452		8,844		88,282		85,804		25,175
Residential mortgage		13,410		12,932		1,856		7,642		7,572		2,234		2,455		2,455		1,062
Residential construction		13,105		11,975		1,270		21,629		21,497		3,731		28,428		27,768		7,267
Consumer installment		444		436		21		235		229		16		67		67		37

Total with an allowance recorded		100,346		94,442		12,853		69,148		68,750		14,825		119,232		116,094		33,541

Total	$	322,850	$	268,555	$	12,853	$	307,453	$	257,259	$	14,825	$	210,744	$	182,730	$	33,541

There were no loans more than 90 days past due and still accruing interest at September 30, 2012, December 31, 2011 or September 30, 2011. Nonaccrual loans include both smaller balance homogeneous loans that are collectively evaluated for impairment through the general reserve process and individually evaluated impaired loans with larger balances.

The following table presents the recorded investment (unpaid principal less amounts charged-off) in nonaccrual loans by loan class as of September 30, 2012, December 31, 2011 and September 30, 2011 (in thousands).


	Nonaccrual Loans
	September 30, 2012			December 31, 2011			September 30, 2011
Commercial (secured by real estate)	$	25,896		$	27,322		$	21,998
Commercial & industrial		32,678			34,613			53,009
Commercial construction		18,590			16,655			11,370

Total commercial		77,164			78,590			86,377
Residential mortgage		13,996			22,358			22,671
Residential construction		22,935			25,523			34,472
Consumer installment		906			1,008			964

Total	$	115,001		$	127,479		$	144,484

Balance as a percentage of unpaid principal		68.8	%		71.3	%		77.8	%

The following table presents the aging of the recorded investment in past due loans as of September 30, 2012, December 31, 2011 and September 30, 2011 by class of loans (in thousands).


	Loans Past Due								Loans Not Past Due
As of September 30, 2012	30 - 59 Days		60 - 89 Days		> 90 Days		Total		Loans Not Past Due		Total
Commercial (secured by real estate)	$	5,395	$	5,210	$	11,103	$	21,708	$	1,797,447	$	1,819,155
Commercial & industrial		1,499		295		696		2,490		457,507		459,997
Commercial construction		213		880		3,838		4,931		155,834		160,765

Total commercial		7,107		6,385		15,637		29,129		2,410,788		2,439,917
Residential mortgage		11,771		4,798		5,556		22,125		1,152,111		1,174,236
Residential construction		4,318		2,319		11,054		17,691		371,051		388,742
Consumer installment		1,269		219		394		1,882		133,068		134,950

Total loans	$	24,465	$	13,721	$	32,641	$	70,827	$	4,067,018	$	4,137,845

As of December 31, 2011
Commercial (secured by real estate)	$	8,036	$	4,182	$	10,614	$	22,832	$	1,798,582	$	1,821,414
Commercial & industrial		3,869		411		407		4,687		423,562		428,249
Commercial construction		166		—		1,128		1,294		162,861		164,155

Total commercial		12,071		4,593		12,149		28,813		2,385,005		2,413,818
Residential mortgage		15,185		4,617		9,071		28,873		1,106,029		1,134,902
Residential construction		3,940		2,636		10,270		16,846		431,545		448,391
Consumer installment		1,534		308		430		2,272		110,231		112,503

Total loans	$	32,730	$	12,154	$	31,920	$	76,804	$	4,032,810	$	4,109,614

As of September 30, 2011
Commercial (secured by real estate)	$	4,587	$	4,730	$	10,594	$	19,911	$	1,751,190	$	1,771,101
Commercial & industrial		1,141		1,507		691		3,339		425,704		429,043
Commercial construction		149		173		2,107		2,429		166,102		168,531

Total commercial		5,877		6,410		13,392		25,679		2,342,996		2,368,675
Residential mortgage		13,979		3,308		12,471		29,758		1,119,920		1,149,678
Residential construction		2,685		2,403		14,546		19,634		454,918		474,552
Consumer installment		1,531		404		291		2,226		114,744		116,970

Total loans	$	24,072	$	12,525	$	40,700	$	77,297	$	4,032,578	$	4,109,875

As of September 30, 2012, December 31, 2011, and September 30, 2011, $10.8 million, $8.65 million and $7.75 million of specific reserves were allocated to customers whose loan terms have been modified in TDRs. United committed to lend additional amounts totaling up to $377,000, $1.12 million, and $1.06 million as of September 30, 2012, December 31, 2011 and September 30, 2011, respectively, to customers with outstanding loans that are classified as TDRs.

The modification of the terms of the TDRs included one or a combination of the following: a reduction of the stated interest rate of the loan or an extension of the amortization period that would not otherwise be considered in the current market for new debt with similar risk characteristics; a permanent reduction of the principal amount; a restructuring of the borrower’s debt into an A/B note structure where the A note would fall within the borrower’s ability to pay and the remainder would be included in the B note, or a mandated bankruptcy restructuring.

The following table presents additional information on TDRs including the number of loan contracts restructured and the pre- and post-modification recorded investment as of September 30, 2012, December 31, 2011 and September 30, 2011 (dollars in thousands).


	September 30, 2012						December 31, 2011						September 30, 2011
	Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment
Commercial (secured by real estate)		101	$	84,672	$	79,645		74	$	70,380	$	69,054		31	$	41,177	$	38,177
Commercial & industrial		30		7,237		7,199		18		806		806		7		304		304
Commercial construction		25		37,832		35,866		11		18,053		18,053		7		14,123		14,123

Total commercial		156		129,741		122,710		103		89,239		87,913		45		55,604		52,604
Residential mortgage		114		18,226		17,487		80		11,943		11,379		16		2,792		2,635
Residential construction		73		28,629		24,772		54		24,921		24,145		46		21,369		20,374
Consumer installment		50		1,371		1,363		34		298		293		3		95		95

Total loans		393	$	177,967	$	166,332		271	$	126,401	$	123,730		110	$	79,860	$	75,708

Loans modified under the terms of a TDR during the three and nine months ended September 30, 2012 and 2011 are presented in the table below. In addition, the following table presents loans modified under the terms of a TDR that became 90 days or more delinquent during the three and nine months ended September 30, 2012 and 2011, respectively, that were initially restructured within one year prior to the three and nine months ended September 30, 2012, respectively (dollars in thousands).


Troubled Debt Restructurings for the Three Months Ended September 30, 2012	Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Subsequently Defaulted During the Three Months Ended September 30, 2012
	Number of Contracts						Number of Contracts		Recorded Investment
Commercial (secured by real estate)		13	$	7,914	$	7,836		3	$	324
Commercial & industrial		3		162		162		—		—
Commercial construction		6		5,531		5,451		—		—

Total commercial		22		13,607		13,449		3		324
Residential mortgage		15		2,252		2,102		2		47
Residential construction		12		6,569		6,188		10		2,953
Consumer installment		7		44		43		1		2

Total loans		56	$	22,472	$	21,782		16	$	3,326


Troubled Debt Restructurings for the Nine Months Ended September 30, 2012	Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Subsequently Defaulted During the Nine Months Ended September 30, 2012
	Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Number of Contracts		Recorded Investment
Commercial (secured by real estate)		47	$	30,828	$	29,305		6	$	2,631
Commercial & industrial		20		3,484		3,484		2		48
Commercial construction		20		34,014		33,934		2		4,174

Total commercial		87		68,326		66,723		10		6,853
Residential mortgage		59		12,819		12,487		6		447
Residential construction		46		17,958		15,738		14		4,550
Consumer installment		22		314		308		2		8

Total loans		214	$	99,417	$	95,256		32	$	11,858

Risk Ratings

United categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information, and current industry and economic trends, among other factors. United analyzes loans individually by classifying the loans as to credit risk. This analysis is performed on a continuous basis. United uses the following definitions for its risk ratings:

Watch. Loans in this category are presently protected from apparent loss; however, weaknesses exist that could cause future impairment, including the deterioration of financial ratios, past due status and questionable management capabilities. These loans require more than the ordinary amount of supervision. Collateral values generally afford adequate coverage, but may not be immediately marketable.

Substandard. These loans are inadequately protected by the current net worth and paying capacity of the obligor or by the collateral pledged. Specific and well-defined weaknesses exist that may include poor liquidity and deterioration of financial ratios. The loan may be past due and related deposit accounts experiencing overdrafts. There is the distinct possibility that United will sustain some loss if deficiencies are not corrected. If possible, immediate corrective action is taken.

Doubtful. Specific weaknesses characterized as Substandard that are severe enough to make collection in full highly questionable and improbable. There is no reliable secondary source of full repayment.

Loss. Loans categorized as Loss have the same characteristics as Doubtful however probability of loss is certain. Loans classified as Loss are charged-off.

Loans not meeting the criteria above that are analyzed individually as part of the above described process are considered to be pass rated loans. Loans listed as not rated are generally deposit account overdrafts that have not been assigned a grade.

As of September 30, 2012, December 31, 2011 and September 30, 2011, and based on the most recent analysis performed, the risk category of loans by class of loans is as follows (in thousands).


As of September 30, 2012	Pass		Watch		Substandard		Doubtful / Loss		Not Rated		Total
Commercial (secured by real estate)	$	1,591,322	$	75,606	$	152,227	$	—	$	—	$	1,819,155
Commercial & industrial		403,460		4,179		51,418		—		940		459,997
Commercial construction		108,909		6,086		45,770		—		—		160,765

Total commercial		2,103,691		85,871		249,415		—		940		2,439,917
Residential mortgage		1,051,402		36,640		86,194		—		—		1,174,236
Residential construction		292,003		38,635		58,104		—		—		388,742
Consumer installment		130,277		881		3,792		—		—		134,950

Total loans	$	3,577,373	$	162,027	$	397,505	$	—	$	940	$	4,137,845

As of December 31, 2011
Commercial (secured by real estate)	$	1,561,204	$	89,830	$	170,380	$	—	$	—	$	1,821,414
Commercial & industrial		369,343		7,630		50,366		—		910		428,249
Commercial construction		114,817		14,173		35,165		—		—		164,155

Total commercial		2,045,364		111,633		255,911		—		910		2,413,818
Residential mortgage		993,779		42,323		98,800		—		—		1,134,902
Residential construction		312,527		38,386		97,478		—		—		448,391
Consumer installment		107,333		1,411		3,759		—		—		112,503

Total loans	$	3,459,003	$	193,753	$	455,948	$	—	$	910	$	4,109,614

As of September 30, 2011
Commercial (secured by real estate)	$	1,520,604	$	94,147	$	156,350	$	—	$	—	$	1,771,101
Commercial & industrial		337,796		6,986		83,381		—		880		429,043
Commercial construction		115,021		15,611		37,899		—		—		168,531

Total commercial		1,973,421		116,744		277,630		—		880		2,368,675
Residential mortgage		1,012,423		37,892		99,363		—		—		1,149,678
Residential construction		320,567		43,340		110,645		—		—		474,552
Consumer installment		112,457		847		3,666		—		—		116,970

Total loans	$	3,418,868	$	198,823	$	491,304	$	—	$	880	$	4,109,875

- Definition

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5066-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3,4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5162-111524

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 01-6
-Paragraph 13
-Subparagraph d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 3, 4
-Article 5

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 7
-Article 9

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph k
-Article 4

+ Details

Foreclosed Property

9 Months Ended

Sep. 30, 2012

Foreclosed Property [Abstract]

Foreclosed Property

Note 7 – Foreclosed Property

Major classifications of foreclosed properties at September 30, 2012, December 31, 2011 and September 30, 2011 are summarized as follows (in thousands).


	September 30, 2012			December 31, 2011			September 30, 2011
Commercial real estate	$	9,613		$	10,866		$	11,873
Commercial construction		3,121			3,336			5,862

Total commercial		12,734			14,202			17,735
Residential mortgage		6,509			7,840			9,397
Residential construction		19,043			29,799			42,295

Total foreclosed property		38,286			51,841			69,427
Less valuation allowance		11,328			18,982			25,164

Foreclosed property, net	$	26,958		$	32,859		$	44,263

Balance as a percentage of original loan unpaid principal		36.4	%		35.9	%		33.4	%

Activity in the valuation allowance for foreclosed property is presented in the following table (in thousands).


	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Balance at beginning of period	$	11,872		$	30,386		$	18,982		$	16,565
Additions charged to expense		2,394			1,772			5,513			53,475
Direct write downs		(2,938	)		(6,994	)		(13,167	)		(44,876	)

Balance at end of period	$	11,328		$	25,164		$	11,328		$	25,164

Expenses related to foreclosed assets include (in thousands).


	Three Months Ended September 30,					Nine Months Ended September 30,
	2012		2011			2012		2011
Net loss (gain) on sales	$	350	$	(804	)	$	174	$	7,998
Provision for unrealized losses		2,394		1,772			5,513		53,475
Operating expenses		962		1,845			3,695		8,130

Total foreclosed property expense	$	3,706	$	2,813		$	9,382	$	69,603

Earnings Per Share

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share

Note 8 – Earnings Per Share

United is required to report on the face of the consolidated statement of operations, earnings (loss) per common share with and without the dilutive effects of potential common stock issuances from instruments such as options, convertible securities and warrants. Basic earnings (loss) per common share is based on the weighted average number of common shares outstanding during the period while the effects of potential common shares outstanding during the period are included in diluted earnings per common share.

During the three and nine months ended September 30, 2012 and 2011, United accrued dividends on preferred stock, including accretion of discounts, as shown in the following table (in thousands).


	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Series A - 6% fixed	$	3	$	3	$	9	$	10
Series B - 5% fixed until December 6, 2013, 9% thereafter		2,619		2,598		7,841		7,798
Series D - LIBOR plus 9.6875%, resets quarterly		419		418		1,253		1,005

Total preferred stock dividends	$	3,041	$	3,019	$	9,103	$	8,813

All preferred stock dividends are payable quarterly.

Series B preferred stock was issued at a discount. Dividend amounts shown include discount accretion for each period.

The preferred stock dividends were subtracted from net income (loss) in order to arrive at net income (loss) available to common shareholders. There were no dilutive securities outstanding for the three and nine months ended September 30, 2012. There is no dilution from potentially dilutive securities for the three and nine months ended September 30, 2011, due to the anti-dilutive effect of the net loss for those periods.

The following table sets forth the computation of basic and diluted loss per share for the three and nine months ended September 30, 2012 and 2011 (in thousands, except per share data).


	Three Months Ended September 30,					Nine Months Ended September 30,
	2012		2011			2012		2011
Net income (loss) available to common shareholders	$	7,527	$	(14,358	)	$	19,492	$	(245,460	)

Weighted average shares outstanding:
Basic		57,880		57,599			57,826		33,973
Effect of dilutive securities
Convertible securities		—		—			—		—
Stock options		—		—			—		—
Warrants		—		—			—		—

Diluted		57,880		57,599			57,826		33,973

Earnings (loss) per common share:
Basic	$	.13	$	(.25	)	$	.34	$	(7.23	)

Diluted	$	.13	$	(.25	)	$	.34	$	(7.23	)

At September 30, 2012, United had the following potentially dilutive stock options and warrants outstanding: a warrant to purchase 219,909 common shares at $61.40 per share issued to the U.S. Treasury in conjunction with the issuance of United’s fixed rate cumulative preferred perpetual stock, Series B; 129,670 common shares issuable upon exercise of warrants attached to trust preferred securities with an exercise price of $100 per share; 486,405 common shares issuable upon exercise of stock options granted to employees with a weighted average exercise price of $97.80; 488,850 shares issuable upon completion of vesting of restricted stock awards; 1,411,765 common shares issuable upon exercise of warrants exercisable at a price equivalent to $21.25 per share granted to Fletcher International Ltd. (“Fletcher”) in connection with a 2010 asset purchase and sale agreement; and 1,551,126 common shares issuable upon exercise of warrants owned by Elm Ridge Off Shore Master Fund, Ltd. and Elm Ridge Value Partners, L.P. (collectively, the “Elm Ridge Parties”), exercisable at $12.50 per share.

During the third quarter, the rights of Fletcher to purchase $65 million in convertible preferred stock expired. Such preferred stock would have been convertible at $26.25 per share into 2,476,191 common shares and, if those rights to preferred stock had been exercised, would have also resulted into the issuance of warrants that were indirectly convertible into 1,162,791 common shares at a price equivalent to $30.10 per share. As previously disclosed on United’s Current Report on Form 8-K filed on July 6, 2012 and Quarterly Report on Form 10-Q for the second quarter of 2012, FILB Co-Investments LLC (“FILB”) has sued United based on claims arising from purported contractual rights that FILB claims were assigned to it by Fletcher. FILB alleges that, among other things, the investment period with respect to FILB’s purportedly assigned right to purchase United’s preferred stock is continuing due to an alleged “registration failure” under the Fletcher stock purchase agreement. United believes the lawsuit is meritless for several reasons, and is defending it aggressively.

Derivatives and Hedging Activities

9 Months Ended

Sep. 30, 2012

Derivatives and Hedging Activities [Abstract]

Derivatives and Hedging Activities

Note 9 – Derivatives and Hedging Activities

Risk Management Objective of Using Derivatives

United is exposed to certain risks arising from both its business operations and economic conditions. United principally manages its exposures to a wide variety of business and operational risks through management of its core business activities. United manages interest rate risk primarily by managing the amount, sources, and duration of its investment securities portfolio and wholesale funding and through the use of derivative financial instruments. Specifically, United enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. United’s derivative financial instruments are used to manage differences in the amount, timing, and duration of United’s known or expected cash receipts and its known or expected cash payments principally related to United’s loans, wholesale borrowings and deposits.

In conjunction with the FASB’s fair value measurement guidance, United made an accounting policy election to measure the credit risk of its derivative financial instruments that are subject to master netting agreements on a net basis by counterparty portfolio.

The table below presents the fair value of United’s derivative financial instruments as well as their classification on the consolidated balance sheet as of September 30, 2012, December 31, 2011 and September 30, 2011 (in thousands).

Derivatives accounted for as hedges under ASC 815


Interest Rate Products	Balance Sheet Location	Fair Value
Interest Rate Products	Balance Sheet Location	September 30, 2012		December 31, 2011		September 30, 2011
Asset derivatives	Other assets	$	182	$	—	$	—

Liability derivatives	Other liabilities	$	9,758	$	422	$	—

Derivatives not accounted for as hedges under ASC 815


Interest Rate Products	Balance Sheet Location	Fair Value
Interest Rate Products	Balance Sheet Location	September 30, 2012		December 31, 2011		September 30, 2011
Asset derivatives	Other assets	$	596	$	—	$	—

Liability derivatives	Other liabilities	$	605	$	—	$	—

Derivative contracts that are not accounted for as hedges under ASC 815, Derivatives and Hedging are between United and certain commercial loan customers with offsetting positions to dealers under a back-to-back swap program.

Cash Flow Hedges of Interest Rate Risk

United’s objectives in using interest rate derivatives are to add stability to net interest revenue and to manage its exposure to interest rate movements. To accomplish this objective, United primarily uses interest rate swaps as part of its interest rate risk management strategy. At September 30, 2012, United’s interest rate swaps designated as cash flow hedges involve the payment of fixed-rate amounts to a counterparty in exchange for United receiving variable-rate payments over the life of the agreements without exchange of the underlying notional amount. United’s current cash flow hedges are for the purpose of converting variable rate deposits and wholesale borrowings to a fixed rate to protect the company in a rising rate environment. The swaps are forward starting and do not become effective until 2014. At September 30, 2012, United had five swap contracts outstanding with a total notional amount of $400 million that were designated as cash flow hedges. United had no active derivative contracts outstanding at December 31, 2011 or September 30, 2011 that were designated as cash flow hedges of interest rate risk.

The effective portion of changes in the fair value of derivatives designated, and that qualify as cash flow hedges is recorded in accumulated other comprehensive income and is subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest expense when the swaps become effective in 2014 as interest payments are made on United’s LIBOR based variable-rate wholesale borrowings and indexed deposit accounts. At September 30, 2012, a portion of the amount included in other comprehensive income represents deferred gains from terminated cash flow hedges where the forecasted hedging transaction is expected to remain effective over the remaining unexpired term of the original contract. Such gains are being deferred and recognized over the remaining life of the contract on a straight line basis. During the three and nine months ended September 30, 2012, United accelerated the reclassification of $114,000 and $238,000, respectively, in gains from terminated positions as a result of the forecasted transactions becoming probable not to occur. During the next twelve months, United estimates that an additional $1.54 million of the deferred gains on terminated cash flow hedging positions will be reclassified as an increase to interest revenue.

Fair Value Hedges of Interest Rate Risk

United is exposed to changes in the fair value of certain of its fixed rate obligations due to changes in interest rates. United uses interest rate swaps to manage its exposure to changes in fair value on these instruments attributable to changes in interest rates. Interest rate swaps designated as fair value hedges involve the receipt of fixed-rate amounts from a counterparty in exchange for United making variable rate payments over the life of the agreements without the exchange of the underlying notional amount. At September 30, 2012, United had nine interest rate swaps with an aggregate notional amount of $122 million that were designated as fair value hedges of interest rate risk. As of September 30, 2011, United had no active derivatives designated as fair value hedges of interest rate risk.

For derivatives designated and that qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in earnings. United includes the gain or loss on the hedged items in the same line item as the offsetting loss or gain on the related derivatives. During the three and nine months ended September 30, 2012, United recognized net gains of $766,000 and $577,000, respectively, related to ineffectiveness of the fair value hedging relationships. United also recognized a net reduction of interest expense of $745,000 and $1.57 million for the three and nine months ended September 30, 2012, related to United’s fair value hedges, which includes net settlements on the derivatives. There were no active fair value hedges during the first nine months of 2011.

Tabular Disclosure of the Effect of Derivative Instruments on the Income Statement

The tables below present the effect of United’s derivative financial instruments on the consolidated statement of operations for the three and nine months ended September 30, 2012 and 2011.

Derivatives in Fair Value Hedging Relationships (in thousands).


Location of Gain (Loss) Recognized in Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative				Amount of Gain (Loss) Recognized in Income on Hedged Item
	2012		2011		2012			2011
Three Months Ended September 30,
Other fee revenue	$	922	$	—	$	(156	)	$	—

Nine Months Ended September 30,
Other fee revenue	$	1,745	$	—	$	(1,168	)	$	—

Derivatives in Cash Flow Hedging Relationships (in thousands).


	Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)					Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income (Effective Portion)
	2012			2011		Location	2012		2011
Three Months Ended September 30,
						Interest revenue	$	649	$	2,373
						Other income		114		575

Interest rate products	$	(3,943	)	$	—	Total	$	763	$	2,948

Nine Months Ended September 30,
						Interest revenue	$	2,839	$	7,885
						Other income		238		4,687

Interest rate products	$	(8,798	)	$	—	Total	$	3,077	$	12,572

Credit-risk-related Contingent Features

United manages its credit exposure on derivatives transactions by entering into a bilateral credit support agreement with each counterparty. The credit support agreements require collateralization of exposures beyond specified minimum threshold amounts. The details of these agreements, including the minimum thresholds, vary by counterparty. As of September 30, 2012, collateral totaling $11.1 million was pledged toward derivatives in a liability position.

United’s agreements with each of its derivative counterparties contain a provision where if either party defaults on any of its indebtedness, then it could also be declared in default on its derivative obligations. The agreements with derivatives counterparties also include provisions that if not met, could result in United being declared in default. United has agreements with certain of its derivative counterparties that contain a provision where if United fails to maintain its status as a well-capitalized institution or is subject to a prompt corrective action directive, the counterparty could terminate the derivative positions and United would be required to settle its obligations under the agreements.

- Definition

The entire disclosure for the entity's entire derivative instruments and hedging activities. Describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising therefrom, and the amounts of and methodologies and assumptions used in determining the amounts of such items.

+ References

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

Stock-Based Compensation

9 Months Ended

Sep. 30, 2012

Stock-Based Compensation [Abstract]

Stock-Based Compensation

Note 10 – Stock-Based Compensation

United has an equity compensation plan that allows for grants of incentive stock options, nonqualified stock options, restricted stock and restricted stock unit awards (also referred to as “nonvested stock” awards), stock awards, performance share awards or stock appreciation rights. Options granted under the plan can have an exercise price no less than the fair market value of the underlying stock at the date of grant. The general terms of the plan include a vesting period (usually four years) with an exercisable period not to exceed ten years. Certain option and restricted stock and restricted stock unit awards provide for accelerated vesting if there is a change in control (as defined in the plan). As of September 30, 2012, 1,203,000 additional awards could be granted under the plan. Through September 30, 2012, incentive stock options, nonqualified stock options, restricted stock and restricted stock unit awards, base salary stock grants and performance share awards have been granted under the plan.

The following table shows stock option activity for the first nine months of 2012.


Options	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)		Aggregate Intrinisic Value ($000)
Outstanding at December 31, 2011		583,647		$	94.48
Forfeited		(2,562	)		47.63
Expired		(94,680	)		78.73

Outstanding at September 30, 2012		486,405			97.80		3.8	$	—

Exercisable at September 30, 2012		465,090			101.18		3.7		—

The fair value of each option is estimated on the date of grant using the Black-Scholes model. No stock options were granted during the nine month periods ended September 30, 2012. Recent decreases in United’s stock price have rendered most of its outstanding options severely out of the money and potentially worthless to the grantee Therefore historical exercise patterns do not provide a reasonable basis for determining the expected life of new option grants. United therefore uses the formula provided by the SEC in Staff Accounting Bulletin No. 107 to determine the expected life of options.

The weighted average assumptions used to determined the fair value of stock options are presented in the table below.


	Nine Months Ended September 30,
	2012		2011
Expected volatility		NA		33.00	%
Expected dividend yield		NA		0.00	%
Expected life (in years)		NA		5.00
Risk-free rate		NA		2.05	%

Compensation expense relating to stock options of $190,000 and $651,000 was included in earnings for the nine months ended September 30, 2012 and 2011, respectively. Deferred tax benefits of $74,000 and $253,000, respectively, were included in the determination of income tax expense for the nine month periods ended September 30, 2012 and 2011. The amount of compensation expense for both periods was determined based on the fair value of the options at the time of grant, multiplied by the number of options granted that are expected to vest, which was then amortized over the vesting period. The forfeiture rate for options is estimated to be approximately 3% per year. No options were exercised during the first nine months of 2012 or 2011.

The table below presents the activity in restricted stock and restricted stock unit awards for the first nine months of 2012.


Restricted Stock	Shares			Weighted- Average Grant- Date Fair Value
Outstanding at December 31, 2011		414,644		$	12.19
Granted		194,854			8.73
Excercised		(108,915	)		15.09
Cancelled		(11,733	)		10.25

Outstanding at September 30, 2012		488,850			10.72

Vested at September 30, 2012		15,490			35.62

Compensation expense for restricted stock and restricted stock units is based on the fair value of restricted stock and restricted stock unit awards at the time of grant, which is equal to the value of United’s common stock on the date of grant. The value of restricted stock and restricted stock unit grants that are expected to vest is amortized into expense over the vesting period. For the nine months ended September 30, 2012 and 2011, compensation expense of $1.18 million and $779,000, respectively, was recognized related to restricted stock and restricted stock unit awards. The total intrinsic value of restricted stock and restricted stock units was $4.10 million at September 30, 2012.

As of September 30, 2012, there was $4.01 million of unrecognized compensation cost related to non-vested stock options and restricted stock and restricted stock unit awards granted under the plan. That cost is expected to be recognized over a weighted-average period of 2.14 years. The aggregate grant date fair value of options and restricted stock and restricted stock unit awards that vested during the nine months ended September 30, 2012, was $2.47 million.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Common and Preferred Stock Issued / Common Stock Issuable

9 Months Ended

Sep. 30, 2012

Common and Preferred Stock Issued / Common Stock Issuable [Abstract]

Common and Preferred Stock Issued / Common Stock Issuable

Note 11 – Common and Preferred Stock Issued / Common Stock Issuable

United sponsors a Dividend Reinvestment and Share Purchase Plan (“DRIP”) that allows participants who already own United’s common stock to purchase additional shares directly from the company. The DRIP also allows participants to automatically reinvest their quarterly dividends in additional shares of common stock without a commission. The DRIP is currently suspended. United’s 401(k) retirement plan regularly purchases shares of United’s common stock directly from United. In addition, United has an Employee Stock Purchase Program (“ESPP”) that allows eligible employees to purchase shares of common stock at a 5% discount, with no commission charges. For the nine months ended September 30, 2012 and 2011, United issued 87,086 and 113,787 shares, respectively, and increased capital by $702,000 and $1.10 million, respectively, through these programs.

United offers its common stock as an investment option in its deferred compensation plan. The common stock component of the deferred compensation plan is accounted for as an equity instrument and is reflected in the consolidated financial statements as common stock issuable. The deferred compensation plan does not allow for diversification once an election is made to invest in United stock and settlement must be accomplished in shares at the time the deferral period is completed. At September 30, 2012 and 2011, 129,270 and 88,501 shares, respectively, were issuable under the deferred compensation plan.

On February 22, 2011, United entered into a Share Exchange Agreement with the Elm Ridge Parties. Under the Share Exchange Agreement, the Elm Ridge Parties agreed to transfer to United 1,551,126 shares of United’s common stock in exchange for 16,613 shares of United’s cumulative perpetual preferred stock, Series D, and warrants to purchase 1,551,126 common shares with an exercise price of $12.50 per share that expires on August 22, 2013. This exchange transaction did not result in a net increase or decrease to total shareholders’ equity for the year ended December 31, 2011.

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 4.E)
-URI http://asc.fasb.org/extlink&oid=6228006&loc=d3e74512-122707

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29-31)
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187143-122770

Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Section B
-Paragraph 7, 11A
-Chapter 1
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 16: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 17: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph d
-Article 4

Reference 18: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30, 31
-Article 5

Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section E

Reference 20: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Article 4

Reference 21: http://www.xbrl.org/2003/role/presentationRef
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-Name Staff Accounting Bulletin (SAB)
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-Section C

Reference 22: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 3, 4, 5, 6, 7, 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 23: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

+ Details

Assets and Liabilities Measured at Fair Value

9 Months Ended

Sep. 30, 2012

Assets and Liabilities Measured at Fair Value [Abstract]

Assets and Liabilities Measured at Fair Value

Note 12 – Assets and Liabilities Measured at Fair Value

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The table below presents United’s assets and liabilities measured at fair value on a recurring basis as of September 30, 2012, December 31, 2011 and September 30, 2011, aggregated by the level in the fair value hierarchy within which those measurements fall (in thousands).


September 30, 2012	Level 1		Level 2		Level 3		Total
Assets
Securities available for sale:
State and political subdivisions	$	—	$	28,878	$	—	$	28,878
Mortgage-backed securities		—		1,382,940		—		1,382,940
Corporate bonds		—		142,802		350		143,152
Asset-backed securities		—		204,429		—		204,429
Other		—		2,595		—		2,595
Deferred compensation plan assets		3,072		—		—		3,072
Derivative financial instruments		—		778		—		778

Total	$	3,072	$	1,762,422	$	350	$	1,765,844

Liabilities
Deferred compensation plan liability	$	3,072	$	—	$	—	$	3,072
Brokered certificates of deposit		—		122,211		—		122,211
Derivative financial instruments		—		10,363		—		10,363

Total liabilities	$	3,072	$	132,574	$	—	$	135,646


December 31, 2011	Level 1		Level 2		Level 3		Total
Assets
Securities available for sale:
U.S. Government agencies	$	—	$	43,750	$	—	$	43,750
State and political subdivisions		—		26,339		—		26,339
Mortgage-backed securities		—		1,609,909		—		1,609,909
Corporate bonds		—		107,328		350		107,678
Other		—		2,371		—		2,371
Deferred compensation plan assets		2,859		—		—		2,859

Total	$	2,859	$	1,789,697	$	350	$	1,792,906

Liabilities
Deferred compensation plan liability	$	2,859	$	—	$	—	$	2,859
Brokered certificates of deposit		—		13,107		—		13,107
Derivative financial instruments		—		422		—		422

Total liabilities	$	2,859	$	13,529	$	—	$	16,388


September 30, 2011	Level 1		Level 2		Level 3		Total
Assets
Securities available for sale:
U.S. Government agencies	$	—	$	33,706	$	—	$	33,706
State and political subdivisions		—		26,831		—		26,831
Mortgage-backed securities		—		1,591,604		3,796		1,595,400
Corporate bonds		—		110,292		350		110,642
Other		—		2,504		—		2,504
Deferred compensation plan assets		2,659		—		—		2,659

Total	$	2,659	$	1,764,937	$	4,146	$	1,771,742

Liabilities
Deferred compensation plan liability	$	2,659	$	—	$	—	$	2,659

Total liabilities	$	2,659	$	—	$	—	$	2,659

The following table shows a reconciliation of the beginning and ending balances for assets measured at fair value on a recurring basis using significant unobservable inputs that are classified as Level 3 values (in thousands).


	Securities Available for Sale					Securities Available for Sale
	Three Months Ended September 30,					Nine Months Ended September 30,
	2012		2011			2012		2011
Balance at beginning of period	$	350	$	4,479		$	350	$	5,284
Amounts included in earnings		—		(5	)		—		(18	)
Paydowns		—		(328	)		—		(1,120	)

Balance at end of period	$	350	$	4,146		$	350	$	4,146

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

United may be required, from time to time, to measure certain assets at fair value on a nonrecurring basis. These include assets that are measured at the lower of cost or market that were recognized at fair value below cost at the end of the period. The table below presents United’s assets and liabilities measured at fair value on a nonrecurring basis as of September 30, 2012, December 31, 2011 and September 30, 2011, aggregated by the level in the fair value hierarchy within which those measurements fall (in thousands).


September 30, 2012	Level 1		Level 2		Level 3		Total
Assets
Loans	$	—	$	—	$	172,909	$	172,909
Foreclosed properties		—		—		20,369		20,369

Total	$	—	$	—	$	193,278	$	193,278


December 31, 2011	Level 1		Level 2		Level 3		Total
Assets
Loans	$	—	$	—	$	133,828	$	133,828
Foreclosed properties		—		—		29,102		29,102

Total	$	—	$	—	$	162,930	$	162,930


September 30, 2011	Level 1		Level 2		Level 3		Total
Assets
Loans	$	—	$	—	$	140,577	$	140,577
Foreclosed properties		—		—		38,823		38,823

Total	$	—	$	—	$	179,400	$	179,400

Assets and Liabilities Not Measured at Fair Value

For financial instruments that have quoted market prices, those quotes are used to determine fair value. Financial instruments that have no defined maturity, have a remaining maturity of 180 days or less, or reprice frequently to a market rate, are assumed to have a fair value that approximates the reported book value, after taking into consideration any applicable credit risk. If no market quotes are available, financial instruments are valued by discounting the expected cash flows using an estimated current market interest rate for the financial instrument. For off-balance sheet derivative instruments, fair value is estimated as the amount that United would receive or pay to terminate the contracts at the reporting date, taking into account the current unrealized gains or losses on open contracts.

The short maturity of United’s assets and liabilities results in having a significant number of financial instruments whose fair value equals or closely approximates carrying value. Such financial instruments are reported in the following balance sheet captions: cash and cash equivalents, mortgage loans held for sale, federal funds purchased, repurchase agreements and other short-term borrowings. The fair value of securities available for sale equals the balance sheet value.

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect the premium or discount on any particular financial instrument that could result from the sale of United’s entire holdings. Because no ready market exists for a significant portion of United’s financial instruments, fair value estimates are based on many judgments. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

Fair value estimates are based on existing on and off-balance sheet financial instruments without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. Significant assets and liabilities that are not considered financial instruments include the mortgage banking operation, brokerage network, deferred income taxes, premises and equipment and goodwill. In addition, the tax ramifications related to the realization of the unrealized gains and losses can have significant effect on fair value estimates and have not been considered in the estimates.

Off-balance sheet instruments (commitments to extend credit and standby letters of credit) are generally short-term and at variable rates. Therefore, both the carrying amount and the estimated fair value associated with these instruments are immaterial.

The carrying amount and fair values for other financial instruments that are not measured at fair value on a recurring basis in United’s balance sheet at September 30, 2012, December 31, 2011, and September 30, 2011 are as follows (in thousands).


	September 30, 2012
	Carrying Amount		Fair Value Level
	Carrying Amount		Level 1		Level 2		Level 3		Total
Assets:
Securities held to maturity	$	262,648	$	—	$	281,336	$	—	$	281,336
Loans, net		4,030,203		—		—		3,954,607		3,954,607

Liabilities:
Deposits		5,822,699		—		5,848,540		—		5,848,540
Federal Home Loan Bank advances		50,125		—		50,125		—		50,125
Long-term debt		120,285		—		—		113,624		113,624


	December 31, 2011				September 30, 2011
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Securities held to maturity	$	330,203	$	343,531	$	353,739	$	369,020
Loans, net		3,995,146		3,800,343		3,963,783		3,787,214

Liabilities:
Deposits		6,097,983		6,093,772		6,005,305		5,998,994
Federal Home Loan Bank advances		40,625		43,236		40,625		43,685
Long-term debt		120,225		115,327		120,206		114,673

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15B
-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44A, 44B
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 17-22, 27, 28
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-Subparagraph a-d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32, 33, 34
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 3, 10, 14, 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Reclassification

9 Months Ended

Sep. 30, 2012

Reclassification [Abstract]

Reclassification

Note 13 – Reclassification

Certain 2011 amounts have been reclassified to conform to the 2012 presentation. On June 17, 2011, United completed the reclassification of its common stock in the form of a 1-for-5 reverse stock split, or recombination, whereby each five shares of United’s common stock was reclassified into one share of common stock and each five shares of United’s non-voting common stock was reclassified into one share of non-voting common stock. All share and per share amounts for all periods presented have been adjusted to reflect the reverse split as though it had occurred prior to the earliest period presented.

Accounting Policies (Policies)	9 Months Ended
Accounting Policies (Policies)	Sep. 30, 2012
Accounting Policies [Abstract]
Real Estate Sales	Foreclosed property is initially recorded at fair value, less the estimated cost to sell. If the fair value, less the estimated cost to sell at the time of foreclosure, is less than the loan balance, the deficiency is charged against the allowance for loan losses. If the fair value, less the cost to sell, of the foreclosed property decreases during the holding period, a valuation allowance is established with a charge to operating expenses. When the foreclosed property is sold, a gain or loss is recognized on the sale for the difference between the sales proceeds and the carrying amount of the property. Financed sales of foreclosed property are accounted for in accordance with the Financial Accounting Standards Board’s (“FASB”) Accounting Standards Codification (“ASC”) 360-20, Real Estate Sales.
Master netting agreements	In conjunction with the FASB’s fair value measurement guidance, United made an accounting policy election to measure the credit risk of its derivative financial instruments that are subject to master netting agreements on a net basis by counterparty portfolio.
Technical Amendments and Corrections to SEC Sections	In August 2012, the FASB issued Accounting Standards Update No. 2012-03, Technical Amendments and Corrections to SEC sections. It amends various paragraphs related to SEC Staff Accounting Bulletin No. 114, which revises or rescinds portions of the interpretive guidance included in the codification of the Staff Accounting Bulletin Series; SEC Release No. 33-9250, which makes technical amendments to various rules and forms under the Securities Act of 1933 to conform those rules and forms to the ASC; and makes technical corrections related to FASB Accounting Standards Update No. 2010-22, Accounting for Various Topics – Technical Corrections to SEC Paragraphs. The update was effective upon issuance and did not have a material impact on United’s financial position, results of operations or disclosures.
Technical Corrections and Improvement	In October 2012, the FASB issued Accounting Standards Update No. 2012-04, Technical Corrections and Improvement. It makes conforming amendments related to fair value measurements within the ASC as well as other technical corrections covering a broad range of topics. The amendments in the update that did not have transition guidance were effective upon issuance and the amendments subject to transition guidance will be effective for fiscal periods beginning after December 15, 2012, for public entities. The guidance is not expected to have a material impact on United’s financial position, results of operations or disclosures.

Mergers and Acquisitions (Tables)

9 Months Ended

Sep. 30, 2012

Mergers and Acquisitions [Abstract]

Schedule of components of covered assets


September 30, 2012	Purchased Impaired Loans		Other Purchased Loans		Other		Total
Commercial (secured by real estate)	$	—	$	25,808	$	—	$	25,808
Commercial & industrial		—		1,065		—		1,065
Construction and land development		405		4,088		—		4,493
Residential mortgage		116		5,466		—		5,582
Consumer installment		1		101		—		102

Total covered loans		522		36,528		—		37,050
Covered foreclosed property		—		—		7,050		7,050
Estimated loss reimbursement from the FDIC		—		—		8,970		8,970

Total covered assets	$	522	$	36,528	$	16,020	$	53,070

December 31, 2011
Commercial (secured by real estate)	$	—	$	32,934	$	—	$	32,934
Commercial & industrial		—		2,133		—		2,133
Construction and land development		547		10,592		—		11,139
Residential mortgage		145		7,970		—		8,115
Consumer installment		5		156		—		161

Total covered loans		697		53,785		—		54,482
Covered foreclosed property		—		—		10,371		10,371
Estimated loss reimbursement from the FDIC		—		—		13,292		13,292

Total covered assets	$	697	$	53,785	$	23,663	$	78,145

September 30, 2011
Commercial (secured by real estate)	$	—	$	34,546	$	—	$	34,546
Commercial & industrial		—		2,485		—		2,485
Construction and land development		1,771		10,282		—		12,053
Residential mortgage		186		8,376		—		8,562
Consumer installment		6		181		—		187

Total covered loans		1,963		55,870		—		57,833
Covered foreclosed property		—		—		11,488		11,488
Estimated loss reimbursement from the FDIC		—		—		14,302		14,302

Total covered assets	$	1,963	$	55,870	$	25,790	$	83,623

Reverse Repurchase Agreements / Securities Lending Transactions (Tables)

9 Months Ended

Sep. 30, 2012

Reverse Repurchase Agreements / Securities Lending Transactions [Abstract]

Summary of amounts outstanding under reverse repurchase agreements


	September 30, 2012
	Assets			Liabilities			Net Balance (Asset)
September 30, 2012
Repurchase agreements / reverse repurchase agreements subject to master netting agreements	$	225,000		$	225,000		$	—
Offsetting securities lending transactions subject to master netting arrangements		100,000			100,000			—
Other reverse repurchase agreements		45,000			—			45,000

Total	$	370,000		$	325,000		$	45,000

Weighted average interest rate		1.19	%		.41	%

December 31, 2011
Repurchase agreements / reverse repurchase agreements subject to master netting agreements	$	60,000		$	60,000		$	—
Other reverse repurchase agreements		185,000			—			185,000

Total	$	245,000		$	60,000		$	185,000

Weighted average interest rate		1.07	%		.38	%

Securities (Tables)

9 Months Ended

Sep. 30, 2012

Securities [Abstract]

Summary of securities sales activity with realized gains and losses derived using specific identification method


	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Proceeds from sales	$	—	$	—	$	371,103	$	106,603

Gross gains on sales	$	—	$	—	$	7,047	$	1,169
Gross losses on sales		—		—		—		(331	)

Net gains on sales of securities	$	—	$	—	$	7,047	$	838

Amortized cost, gross unrealized gains and losses and fair value of securities held to maturity


			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
As of September 30, 2012
State and political subdivisions	$	51,790	$	5,795	$	—	$	57,585
Mortgage-backed securities⁽¹⁾		210,858		12,893		—		223,751

Total	$	262,648	$	18,688	$	—	$	281,336


As of December 31, 2011
U.S. Government agencies	$	5,000	$	6	$	—	$	5,006
State and political subdivisions		51,903		4,058		13		55,948
Mortgage-backed securities⁽¹⁾		273,300		9,619		342		282,577

Total	$	330,203	$	13,683	$	355	$	343,531


As of September 30, 2011
U.S. Government agencies	$	5,000	$	17	$	—	$	5,017
State and political subdivisions		50,185		3,721		22		53,884
Mortgage-backed securities⁽¹⁾		298,554		11,871		306		310,119

Total	$	353,739	$	15,609	$	328	$	369,020

⁽¹⁾	All are residential type mortgage-backed securities

Cost basis, unrealized gains and losses, and fair value of securities available for sale


			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
As of September 30, 2012
State and political subdivisions	$	27,403	$	1,478	$	3	$	28,878
Mortgage-backed securities⁽¹⁾		1,356,002		27,689		751		1,382,940
Corporate bonds		148,315		450		5,613		143,152
Asset-backed securities		204,522		713		806		204,429
Other		2,595		—		—		2,595

Total	$	1,738,837	$	30,330	$	7,173	$	1,761,994


As of December 31, 2011
U.S. Government agencies	$	43,592	$	158	$	—	$	43,750
State and political subdivisions		24,997		1,345		3		26,339
Mortgage-backed securities⁽¹⁾		1,576,064		33,988		143		1,609,909
Corporate bonds		119,110		—		11,432		107,678
Other		2,371		—		—		2,371

Total	$	1,766,134	$	35,491	$	11,578	$	1,790,047


As of September 30, 2011
U.S. Government agencies	$	33,597	$	109	$	—	$	33,706
State and political subdivisions		25,435		1,400		4		26,831
Mortgage-backed securities⁽¹⁾		1,556,639		39,177		416		1,595,400
Corporate bonds		119,066		—		8,424		110,642
Other		2,504		—		—		2,504

Total	$	1,737,241	$	40,686	$	8,844	$	1,769,083

⁽¹⁾	All are residential type mortgage-backed securities

Summary of held to maturity securities in an unrealized loss position


	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of December 31, 2011
State and political subdivisions	$	—	$	—	$	363	$	13	$	363	$	13
Mortgage-backed securities		10,967		342		—		—		10,967		342

Total unrealized loss position	$	10,967	$	342	$	363	$	13	$	11,330	$	355

As of September 30, 2011
State and political subdivisions	$	354	$	22	$	—	$	—	$	354	$	22
Mortgage-backed securities		9,828		306		—		—		9,828		306

Total unrealized loss position	$	10,182	$	328	$	—	$	—	$	10,182	$	328

Summary of available for sale securities in an unrealized loss position


	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of September 30, 2012
State and political subdivisions	$	—	$	—	$	12	$	3	$	12	$	3
Mortgage-backed securities		105,296		741		17,059		10		122,355		751
Corporate bonds		4,893		10		113,590		5,603		118,483		5,613
Asset-backed securities		90,766		806		—		—		90,766		806

Total unrealized loss position	$	200,955	$	1,557	$	130,661	$	5,616	$	331,616	$	7,173

As of December 31, 2011
State and political subdivisions	$	—	$	—	$	11	$	3	$	11	$	3
Mortgage-backed securities		98,687		110		22,719		33		121,406		143
Corporate bonds		42,864		5,197		64,765		6,235		107,629		11,432

Total unrealized loss position	$	141,551	$	5,307	$	87,495	$	6,271	$	229,046	$	11,578

As of September 30, 2011
State and political subdivisions	$	—	$	—	$	10	$	4	$	10	$	4
Mortgage-backed securities		255,896		416		—		—		255,896		416
Corporate bonds		44,251		3,765		66,341		4,659		110,592		8,424

Total unrealized loss position	$	300,147	$	4,181	$	66,351	$	4,663	$	366,498	$	8,844

Amortized cost and fair value of held to maturity and available for sale securities by contractual maturity


	Available for Sale				Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
State and political subdivisions:
Within 1 year	$	5,960	$	5,969	$	—	$	—
1 to 5 years		15,266		16,321		8,589		9,379
5 to 10 years		5,329		5,656		21,558		24,064
More than 10 years		848		932		21,643		24,142

		27,403		28,878		51,790		57,585

Corporate bonds:
1 to 5 years		38,002		37,503		—		—
5 to 10 years		109,313		105,349		—		—
More than 10 years		1,000		300		—		—

		148,315		143,152		—		—

Asset-backed securities
1 to 5 years		61,429		61,108		—		—
5 to 10 years		134,885		135,212		—		—
More than 10 years		8,208		8,109		—		—

		204,522		204,429		—		—

Other:
More than 10 years		2,595		2,595		—		—

		2,595		2,595		—		—

Total securities other than mortgage-backed securities:
Within 1 year		5,960		5,969		—		—
1 to 5 years		114,697		114,932		8,589		9,379
5 to 10 years		249,527		246,217		21,558		24,064
More than 10 years		12,651		11,936		21,643		24,142
Mortgage-backed securities		1,356,002		1,382,940		210,858		223,751

	$	1,738,837	$	1,761,994	$	262,648	$	281,336

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563

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-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563

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-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 19, 20, 21
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS115-1/124-1
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-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 03-1
-Paragraph 21
-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

Tabular disclosure of all investments in certain debt and equity securities for which the entity has the positive intent and ability to hold until maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27405-111563

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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Loans and Allowance for Loan Losses (Tables)

9 Months Ended

Sep. 30, 2012

Loans and Allowance for Loan Losses [Abstract]

Classifications of loans


	September 30,			December 31,			September 30,
	2012			2011			2011
Commercial (secured by real estate)	$	1,819,155		$	1,821,414		$	1,771,101
Commercial & industrial		459,997			428,249			429,043
Commercial construction		160,765			164,155			168,531

Total commercial		2,439,917			2,413,818			2,368,675
Residential mortgage		1,174,236			1,134,902			1,149,678
Residential construction		388,742			448,391			474,552
Consumer installment		134,950			112,503			116,970

Total loans		4,137,845			4,109,614			4,109,875
Less allowance for loan losses		(107,642	)		(114,468	)		(146,092	)

Loans, net	$	4,030,203		$	3,995,146		$	3,963,783

Changes in the allowance for loan losses


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
Balance beginning of period	$	112,705	$	127,638	$	114,468	$	174,695
Provision for loan losses		15,500		36,000		48,500		237,000
Charge-offs:
Commercial (secured by real estate)		8,445		2,270		16,791		54,410
Commercial & industrial		343		866		1,987		5,832
Commercial construction		3,198		1,705		3,650		52,400
Residential mortgage		3,575		6,399		13,356		47,742
Residential construction		6,231		7,668		21,706		106,692
Consumer installment		442		970		1,603		2,949

Total loans charged-off		22,234		19,878		59,093		270,025

Recoveries:
Commercial (secured by real estate)		271		78		571		352
Commercial & industrial		602		446		802		849
Commercial construction		8		80		38		191
Residential mortgage		48		289		592		660
Residential construction		555		1,287		1,153		1,544
Consumer installment		187		152		611		826

Total recoveries		1,671		2,332		3,767		4,422

Net charge-offs		20,563		17,546		55,326		265,603

Balance end of period	$	107,642	$	146,092	$	107,642	$	146,092

Allowance for loan losses and recorded investment in loans by portfolio segment based on impairment method


Nine Months Ended September 30, 2012	Commercial (Secured by Real Estate)			Commercial & Industrial			Commercial Construction			Residential Mortgage			Residential Construction			Consumer Installment			Unallocated			Total
Allowance for loan losses:
Beginning balance	$	31,644		$	5,681		$	6,097		$	29,076		$	30,379		$	2,124		$	9,467		$	114,468
Charge-offs		(16,791	)		(1,987	)		(3,650	)		(13,356	)		(21,706	)		(1,603	)		—			(59,093	)
Recoveries		571			802			38			592			1,153			611			—			3,767
Provision		11,351			362			6,101			11,163			18,233			1,738			(448	)		48,500

Ending balance	$	26,775		$	4,858		$	8,586		$	27,475		$	28,059		$	2,870		$	9,019		$	107,642

Ending allowance attributable to loans:
Individually evaluated for impairment	$	6,692		$	725		$	2,289		$	1,856		$	1,270		$	21		$	—		$	12,853
Collectively evaluated for impairment		20,083			4,133			6,297			25,619			26,789			2,849			9,019			94,789

Total ending allowance balance	$	26,775		$	4,858		$	8,586		$	27,475		$	28,059		$	2,870		$	9,019		$	107,642

Loans:
Individually evaluated for impairment	$	119,023		$	53,531		$	42,249		$	21,678		$	31,576		$	498		$	—		$	268,555
Collectively evaluated for impairment		1,700,132			406,466			118,516			1,152,558			357,166			134,452			—			3,869,290

Total loans	$	1,819,155		$	459,997		$	160,765		$	1,174,236		$	388,742		$	134,950		$	—		$	4,137,845

December 31, 2011
Allowance for loan losses:
Ending allowance attributable to loans:
Individually evaluated for impairment	$	7,491		$	1,117		$	236		$	2,234		$	3,731		$	16		$	—		$	14,825
Collectively evaluated for impairment		24,153			4,564			5,861			26,842			26,648			2,108			9,467			99,643

Total ending allowance balance	$	31,644		$	5,681		$	6,097		$	29,076		$	30,379		$	2,124		$	9,467		$	114,468

Loans:
Individually evaluated for impairment	$	107,831		$	57,828		$	26,245		$	18,376		$	46,687		$	292		$	—		$	257,259
Collectively evaluated for impairment		1,713,583			370,421			137,910			1,116,526			401,704			112,211			—			3,852,355

Total loans	$	1,821,414		$	428,249		$	164,155		$	1,134,902		$	448,391		$	112,503		$	—		$	4,109,614

Nine Months Ended September 30, 2011
Allowance for loan losses:
Beginning balance	$	31,191		$	7,580		$	6,780		$	22,305		$	92,571		$	3,030		$	11,238		$	174,695
Charge-offs		(54,410	)		(5,832	)		(52,400	)		(47,742	)		(106,692	)		(2,949	)		—			(270,025	)
Recoveries		352			849			191			660			1,544			826			—			4,422
Provision		48,344			20,174			54,133			53,786			57,842			1,296			1,425			237,000

Ending balance	$	25,477		$	22,771		$	8,704		$	29,009		$	45,265		$	2,203		$	12,663		$	146,092

Ending allowance attributable to loans:
Individually evaluated for impairment	$	4,070		$	17,067		$	4,038		$	1,062		$	7,267		$	37		$	—		$	33,541
Collectively evaluated for impairment		21,407			5,704			4,666			27,947			37,998			2,166			12,663			112,551

Total ending allowance balance	$	25,477		$	22,771		$	8,704		$	29,009		$	45,265		$	2,203		$	12,663		$	146,092

Loans:
Individually evaluated for impairment	$	54,126		$	52,433		$	23,844		$	8,043		$	44,189		$	95		$	—		$	182,730
Collectively evaluated for impairment		1,716,975			376,610			144,687			1,141,635			430,363			116,875			—			3,927,145

Total loans	$	1,771,101		$	429,043		$	168,531		$	1,149,678		$	474,552		$	116,970		$	—		$	4,109,875

Recorded investments in individually evaluated impaired loans


	September 30,		December 31,		September 30,
	2012		2011		2011
Period-end loans with no allocated allowance for loan losses	$	174,113	$	188,509	$	66,636
Period-end loans with allocated allowance for loan losses		94,442		68,750		116,094

Total	$	268,555	$	257,259	$	182,730

Amount of allowance for loan losses allocated	$	12,853	$	14,825	$	33,541

Average balances of impaired loans and income recognized on impaired loans


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
Average balance of individually evaluated impaired loans during period	$	275,960	$	109,164	$	281,307	$	81,031
Interest income recognized during impairment		2,110		797		6,798		797
Cash-basis interest income recognized		2,932		630		9,340		630

Loans individually evaluated for impairment by class of loans


	September 30, 2012						December 31, 2011						September 30, 2011
	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated
With no related allowance recorded:
Commercial (secured by real estate)	$	85,137	$	77,801	$	—	$	82,887	$	76,215	$	—	$	45,242	$	38,242	$	—
Commercial & industrial		76,247		51,247		—		77,628		52,628		—		48		48		—
Commercial construction		17,739		16,656		—		24,927		23,609		—		6,803		6,309		—

Total commercial		179,123		145,704		—		185,442		152,452		—		52,093		44,599		—
Residential mortgage		11,091		8,746		—		13,845		10,804		—		7,745		5,588		—
Residential construction		32,228		19,601		—		38,955		25,190		—		31,646		16,421		—
Consumer installment		62		62		—		63		63		—		28		28		—

Total with no related allowance recorded		222,504		174,113		—		238,305		188,509		—		91,512		66,636		—

With an allowance recorded:
Commercial (secured by real estate)		44,590		41,222		6,692		31,806		31,616		7,491		16,173		15,884		4,070
Commercial & industrial		2,321		2,284		725		5,200		5,200		1,117		54,259		52,385		17,067
Commercial construction		26,476		25,593		2,289		2,636		2,636		236		17,850		17,535		4,038

Total commercial		73,387		69,099		9,706		39,642		39,452		8,844		88,282		85,804		25,175
Residential mortgage		13,410		12,932		1,856		7,642		7,572		2,234		2,455		2,455		1,062
Residential construction		13,105		11,975		1,270		21,629		21,497		3,731		28,428		27,768		7,267
Consumer installment		444		436		21		235		229		16		67		67		37

Total with an allowance recorded		100,346		94,442		12,853		69,148		68,750		14,825		119,232		116,094		33,541

Total	$	322,850	$	268,555	$	12,853	$	307,453	$	257,259	$	14,825	$	210,744	$	182,730	$	33,541

Recorded investment in nonaccrual loans by loan class


	Nonaccrual Loans
	September 30, 2012			December 31, 2011			September 30, 2011
Commercial (secured by real estate)	$	25,896		$	27,322		$	21,998
Commercial & industrial		32,678			34,613			53,009
Commercial construction		18,590			16,655			11,370

Total commercial		77,164			78,590			86,377
Residential mortgage		13,996			22,358			22,671
Residential construction		22,935			25,523			34,472
Consumer installment		906			1,008			964

Total	$	115,001		$	127,479		$	144,484

Balance as a percentage of unpaid principal		68.8	%		71.3	%		77.8	%

Aging of the recorded investment in past due loans


	Loans Past Due								Loans Not Past Due
As of September 30, 2012	30 - 59 Days		60 - 89 Days		> 90 Days		Total		Loans Not Past Due		Total
Commercial (secured by real estate)	$	5,395	$	5,210	$	11,103	$	21,708	$	1,797,447	$	1,819,155
Commercial & industrial		1,499		295		696		2,490		457,507		459,997
Commercial construction		213		880		3,838		4,931		155,834		160,765

Total commercial		7,107		6,385		15,637		29,129		2,410,788		2,439,917
Residential mortgage		11,771		4,798		5,556		22,125		1,152,111		1,174,236
Residential construction		4,318		2,319		11,054		17,691		371,051		388,742
Consumer installment		1,269		219		394		1,882		133,068		134,950

Total loans	$	24,465	$	13,721	$	32,641	$	70,827	$	4,067,018	$	4,137,845

As of December 31, 2011
Commercial (secured by real estate)	$	8,036	$	4,182	$	10,614	$	22,832	$	1,798,582	$	1,821,414
Commercial & industrial		3,869		411		407		4,687		423,562		428,249
Commercial construction		166		—		1,128		1,294		162,861		164,155

Total commercial		12,071		4,593		12,149		28,813		2,385,005		2,413,818
Residential mortgage		15,185		4,617		9,071		28,873		1,106,029		1,134,902
Residential construction		3,940		2,636		10,270		16,846		431,545		448,391
Consumer installment		1,534		308		430		2,272		110,231		112,503

Total loans	$	32,730	$	12,154	$	31,920	$	76,804	$	4,032,810	$	4,109,614

As of September 30, 2011
Commercial (secured by real estate)	$	4,587	$	4,730	$	10,594	$	19,911	$	1,751,190	$	1,771,101
Commercial & industrial		1,141		1,507		691		3,339		425,704		429,043
Commercial construction		149		173		2,107		2,429		166,102		168,531

Total commercial		5,877		6,410		13,392		25,679		2,342,996		2,368,675
Residential mortgage		13,979		3,308		12,471		29,758		1,119,920		1,149,678
Residential construction		2,685		2,403		14,546		19,634		454,918		474,552
Consumer installment		1,531		404		291		2,226		114,744		116,970

Total loans	$	24,072	$	12,525	$	40,700	$	77,297	$	4,032,578	$	4,109,875

Additional information on troubled debt restructurings


	September 30, 2012						December 31, 2011						September 30, 2011
	Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment
Commercial (secured by real estate)		101	$	84,672	$	79,645		74	$	70,380	$	69,054		31	$	41,177	$	38,177
Commercial & industrial		30		7,237		7,199		18		806		806		7		304		304
Commercial construction		25		37,832		35,866		11		18,053		18,053		7		14,123		14,123

Total commercial		156		129,741		122,710		103		89,239		87,913		45		55,604		52,604
Residential mortgage		114		18,226		17,487		80		11,943		11,379		16		2,792		2,635
Residential construction		73		28,629		24,772		54		24,921		24,145		46		21,369		20,374
Consumer installment		50		1,371		1,363		34		298		293		3		95		95

Total loans		393	$	177,967	$	166,332		271	$	126,401	$	123,730		110	$	79,860	$	75,708

Loans modified under the terms of TDR


Troubled Debt Restructurings for the Three Months Ended September 30, 2012	Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Subsequently Defaulted During the Three Months Ended September 30, 2012
	Number of Contracts						Number of Contracts		Recorded Investment
Commercial (secured by real estate)		13	$	7,914	$	7,836		3	$	324
Commercial & industrial		3		162		162		—		—
Commercial construction		6		5,531		5,451		—		—

Total commercial		22		13,607		13,449		3		324
Residential mortgage		15		2,252		2,102		2		47
Residential construction		12		6,569		6,188		10		2,953
Consumer installment		7		44		43		1		2

Total loans		56	$	22,472	$	21,782		16	$	3,326


Troubled Debt Restructurings for the Nine Months Ended September 30, 2012	Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Subsequently Defaulted During the Nine Months Ended September 30, 2012
	Number of Contracts		Pre- Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Number of Contracts		Recorded Investment
Commercial (secured by real estate)		47	$	30,828	$	29,305		6	$	2,631
Commercial & industrial		20		3,484		3,484		2		48
Commercial construction		20		34,014		33,934		2		4,174

Total commercial		87		68,326		66,723		10		6,853
Residential mortgage		59		12,819		12,487		6		447
Residential construction		46		17,958		15,738		14		4,550
Consumer installment		22		314		308		2		8

Total loans		214	$	99,417	$	95,256		32	$	11,858

Risk category of loans by class of loans


As of September 30, 2012	Pass		Watch		Substandard		Doubtful / Loss		Not Rated		Total
Commercial (secured by real estate)	$	1,591,322	$	75,606	$	152,227	$	—	$	—	$	1,819,155
Commercial & industrial		403,460		4,179		51,418		—		940		459,997
Commercial construction		108,909		6,086		45,770		—		—		160,765

Total commercial		2,103,691		85,871		249,415		—		940		2,439,917
Residential mortgage		1,051,402		36,640		86,194		—		—		1,174,236
Residential construction		292,003		38,635		58,104		—		—		388,742
Consumer installment		130,277		881		3,792		—		—		134,950

Total loans	$	3,577,373	$	162,027	$	397,505	$	—	$	940	$	4,137,845

As of December 31, 2011
Commercial (secured by real estate)	$	1,561,204	$	89,830	$	170,380	$	—	$	—	$	1,821,414
Commercial & industrial		369,343		7,630		50,366		—		910		428,249
Commercial construction		114,817		14,173		35,165		—		—		164,155

Total commercial		2,045,364		111,633		255,911		—		910		2,413,818
Residential mortgage		993,779		42,323		98,800		—		—		1,134,902
Residential construction		312,527		38,386		97,478		—		—		448,391
Consumer installment		107,333		1,411		3,759		—		—		112,503

Total loans	$	3,459,003	$	193,753	$	455,948	$	—	$	910	$	4,109,614

As of September 30, 2011
Commercial (secured by real estate)	$	1,520,604	$	94,147	$	156,350	$	—	$	—	$	1,771,101
Commercial & industrial		337,796		6,986		83,381		—		880		429,043
Commercial construction		115,021		15,611		37,899		—		—		168,531

Total commercial		1,973,421		116,744		277,630		—		880		2,368,675
Residential mortgage		1,012,423		37,892		99,363		—		—		1,149,678
Residential construction		320,567		43,340		110,645		—		—		474,552
Consumer installment		112,457		847		3,666		—		—		116,970

Total loans	$	3,418,868	$	198,823	$	491,304	$	—	$	880	$	4,109,875

Foreclosed Property (Tables)

9 Months Ended

Sep. 30, 2012

Foreclosed Property [Abstract]

Classifications of foreclosed properties


	September 30, 2012			December 31, 2011			September 30, 2011
Commercial real estate	$	9,613		$	10,866		$	11,873
Commercial construction		3,121			3,336			5,862

Total commercial		12,734			14,202			17,735
Residential mortgage		6,509			7,840			9,397
Residential construction		19,043			29,799			42,295

Total foreclosed property		38,286			51,841			69,427
Less valuation allowance		11,328			18,982			25,164

Foreclosed property, net	$	26,958		$	32,859		$	44,263

Balance as a percentage of original loan unpaid principal		36.4	%		35.9	%		33.4	%

Activity in the valuation allowance for foreclosed property


	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Balance at beginning of period	$	11,872		$	30,386		$	18,982		$	16,565
Additions charged to expense		2,394			1,772			5,513			53,475
Direct write downs		(2,938	)		(6,994	)		(13,167	)		(44,876	)

Balance at end of period	$	11,328		$	25,164		$	11,328		$	25,164

Expenses related to foreclosed assets


	Three Months Ended September 30,					Nine Months Ended September 30,
	2012		2011			2012		2011
Net loss (gain) on sales	$	350	$	(804	)	$	174	$	7,998
Provision for unrealized losses		2,394		1,772			5,513		53,475
Operating expenses		962		1,845			3,695		8,130

Total foreclosed property expense	$	3,706	$	2,813		$	9,382	$	69,603

Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Accrued dividends on preferred stock, including accretion of discounts


	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Series A - 6% fixed	$	3	$	3	$	9	$	10
Series B - 5% fixed until December 6, 2013, 9% thereafter		2,619		2,598		7,841		7,798
Series D - LIBOR plus 9.6875%, resets quarterly		419		418		1,253		1,005

Total preferred stock dividends	$	3,041	$	3,019	$	9,103	$	8,813

Computation of basic and diluted loss per share


	Three Months Ended September 30,					Nine Months Ended September 30,
	2012		2011			2012		2011
Net income (loss) available to common shareholders	$	7,527	$	(14,358	)	$	19,492	$	(245,460	)

Weighted average shares outstanding:
Basic		57,880		57,599			57,826		33,973
Effect of dilutive securities
Convertible securities		—		—			—		—
Stock options		—		—			—		—
Warrants		—		—			—		—

Diluted		57,880		57,599			57,826		33,973

Earnings (loss) per common share:
Basic	$	.13	$	(.25	)	$	.34	$	(7.23	)

Diluted	$	.13	$	(.25	)	$	.34	$	(7.23	)

Derivatives and Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2012

Derivatives and Hedging Activities [Abstract]

Derivative financial instruments on consolidated balance sheet

Derivatives accounted for as hedges under ASC 815


Interest Rate Products	Balance Sheet Location	Fair Value
Interest Rate Products	Balance Sheet Location	September 30, 2012		December 31, 2011		September 30, 2011
Asset derivatives	Other assets	$	182	$	—	$	—

Liability derivatives	Other liabilities	$	9,758	$	422	$	—

Derivatives not accounted for as hedges under ASC 815


Interest Rate Products	Balance Sheet Location	Fair Value
Interest Rate Products	Balance Sheet Location	September 30, 2012		December 31, 2011		September 30, 2011
Asset derivatives	Other assets	$	596	$	—	$	—

Liability derivatives	Other liabilities	$	605	$	—	$	—

Effect of fair value hedging derivative financial instruments on the consolidated statement of operations


Location of Gain (Loss) Recognized in Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative				Amount of Gain (Loss) Recognized in Income on Hedged Item
	2012		2011		2012			2011
Three Months Ended September 30,
Other fee revenue	$	922	$	—	$	(156	)	$	—

Nine Months Ended September 30,
Other fee revenue	$	1,745	$	—	$	(1,168	)	$	—

Effect of cash flow hedging derivative financial instruments on other comprehensive income


	Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)					Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income (Effective Portion)
	2012			2011		Location	2012		2011
Three Months Ended September 30,
						Interest revenue	$	649	$	2,373
						Other income		114		575

Interest rate products	$	(3,943	)	$	—	Total	$	763	$	2,948

Nine Months Ended September 30,
						Interest revenue	$	2,839	$	7,885
						Other income		238		4,687

Interest rate products	$	(8,798	)	$	—	Total	$	3,077	$	12,572

Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

Stock-Based Compensation [Abstract]

Summary of stock option activity


Options	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)		Aggregate Intrinisic Value ($000)
Outstanding at December 31, 2011		583,647		$	94.48
Forfeited		(2,562	)		47.63
Expired		(94,680	)		78.73

Outstanding at September 30, 2012		486,405			97.80		3.8	$	—

Exercisable at September 30, 2012		465,090			101.18		3.7		—

Summary of weighted average assumptions used to determined the fair value of stock options


	Nine Months Ended September 30,
	2012		2011
Expected volatility		NA		33.00	%
Expected dividend yield		NA		0.00	%
Expected life (in years)		NA		5.00
Risk-free rate		NA		2.05	%

Summary of activity in restricted stock awards


Restricted Stock	Shares			Weighted- Average Grant- Date Fair Value
Outstanding at December 31, 2011		414,644		$	12.19
Granted		194,854			8.73
Excercised		(108,915	)		15.09
Cancelled		(11,733	)		10.25

Outstanding at September 30, 2012		488,850			10.72

Vested at September 30, 2012		15,490			35.62

Assets and Liabilities Measured at Fair Value (Tables)

9 Months Ended

Sep. 30, 2012

Assets and Liabilities Measured at Fair Value [Abstract]

Assets and liabilities measured at fair value on a recurring basis


September 30, 2012	Level 1		Level 2		Level 3		Total
Assets
Securities available for sale:
State and political subdivisions	$	—	$	28,878	$	—	$	28,878
Mortgage-backed securities		—		1,382,940		—		1,382,940
Corporate bonds		—		142,802		350		143,152
Asset-backed securities		—		204,429		—		204,429
Other		—		2,595		—		2,595
Deferred compensation plan assets		3,072		—		—		3,072
Derivative financial instruments		—		778		—		778

Total	$	3,072	$	1,762,422	$	350	$	1,765,844

Liabilities
Deferred compensation plan liability	$	3,072	$	—	$	—	$	3,072
Brokered certificates of deposit		—		122,211		—		122,211
Derivative financial instruments		—		10,363		—		10,363

Total liabilities	$	3,072	$	132,574	$	—	$	135,646


December 31, 2011	Level 1		Level 2		Level 3		Total
Assets
Securities available for sale:
U.S. Government agencies	$	—	$	43,750	$	—	$	43,750
State and political subdivisions		—		26,339		—		26,339
Mortgage-backed securities		—		1,609,909		—		1,609,909
Corporate bonds		—		107,328		350		107,678
Other		—		2,371		—		2,371
Deferred compensation plan assets		2,859		—		—		2,859

Total	$	2,859	$	1,789,697	$	350	$	1,792,906

Liabilities
Deferred compensation plan liability	$	2,859	$	—	$	—	$	2,859
Brokered certificates of deposit		—		13,107		—		13,107
Derivative financial instruments		—		422		—		422

Total liabilities	$	2,859	$	13,529	$	—	$	16,388


September 30, 2011	Level 1		Level 2		Level 3		Total
Assets
Securities available for sale:
U.S. Government agencies	$	—	$	33,706	$	—	$	33,706
State and political subdivisions		—		26,831		—		26,831
Mortgage-backed securities		—		1,591,604		3,796		1,595,400
Corporate bonds		—		110,292		350		110,642
Other		—		2,504		—		2,504
Deferred compensation plan assets		2,659		—		—		2,659

Total	$	2,659	$	1,764,937	$	4,146	$	1,771,742

Liabilities
Deferred compensation plan liability	$	2,659	$	—	$	—	$	2,659

Total liabilities	$	2,659	$	—	$	—	$	2,659

Assets measured at fair value on recurring basis using significant unobservable inputs


	Securities Available for Sale					Securities Available for Sale
	Three Months Ended September 30,					Nine Months Ended September 30,
	2012		2011			2012		2011
Balance at beginning of period	$	350	$	4,479		$	350	$	5,284
Amounts included in earnings		—		(5	)		—		(18	)
Paydowns		—		(328	)		—		(1,120	)

Balance at end of period	$	350	$	4,146		$	350	$	4,146

Presentation of United's assets and liabilities measured at fair value on nonrecurring basis


September 30, 2012	Level 1		Level 2		Level 3		Total
Assets
Loans	$	—	$	—	$	172,909	$	172,909
Foreclosed properties		—		—		20,369		20,369

Total	$	—	$	—	$	193,278	$	193,278


December 31, 2011	Level 1		Level 2		Level 3		Total
Assets
Loans	$	—	$	—	$	133,828	$	133,828
Foreclosed properties		—		—		29,102		29,102

Total	$	—	$	—	$	162,930	$	162,930


September 30, 2011	Level 1		Level 2		Level 3		Total
Assets
Loans	$	—	$	—	$	140,577	$	140,577
Foreclosed properties		—		—		38,823		38,823

Total	$	—	$	—	$	179,400	$	179,400

Summary of carrying amount and fair values for other financial instruments that are not measured at fair value on a recurring basis


	September 30, 2012
	Carrying Amount		Fair Value Level
	Carrying Amount		Level 1		Level 2		Level 3		Total
Assets:
Securities held to maturity	$	262,648	$	—	$	281,336	$	—	$	281,336
Loans, net		4,030,203		—		—		3,954,607		3,954,607

Liabilities:
Deposits		5,822,699		—		5,848,540		—		5,848,540
Federal Home Loan Bank advances		50,125		—		50,125		—		50,125
Long-term debt		120,285		—		—		113,624		113,624


	December 31, 2011				September 30, 2011
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Securities held to maturity	$	330,203	$	343,531	$	353,739	$	369,020
Loans, net		3,995,146		3,800,343		3,963,783		3,787,214

Liabilities:
Deposits		6,097,983		6,093,772		6,005,305		5,998,994
Federal Home Loan Bank advances		40,625		43,236		40,625		43,685
Long-term debt		120,225		115,327		120,206		114,673

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

+ References + Details

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13467-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 19
-Subparagraph a, b, c(1), d(1)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 14
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15
-Subparagraph b-d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 18
-Subparagraph c(2), d, e, f
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph a, c(1), c(2), c(3), d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Mergers and Acquisitions (Details) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Schedule of components of covered assets
Total covered assets	$ 53,070	$ 78,145	$ 83,623
Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	37,050	54,482	57,833
Covered foreclosed property	7,050	10,371	11,488
Estimated loss reimbursement from the FDIC	8,970	13,292	14,302
Total covered assets	53,070	78,145	83,623
Commercial (secured by real estate) [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	25,808	32,934	34,546
Commercial & industrial [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	1,065	2,133	2,485
Construction and land development [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	4,493	11,139	12,053
Residential mortgage [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	5,582	8,115	8,562
Consumer Installment [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	102	161	187
Purchased Impaired Loans [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	522	697	1,963
Covered foreclosed property
Estimated loss reimbursement from the FDIC
Total covered assets	522	697	1,963
Purchased Impaired Loans [Member] \| Commercial (secured by real estate) [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans
Purchased Impaired Loans [Member] \| Commercial & industrial [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans
Purchased Impaired Loans [Member] \| Construction and land development [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	405	547	1,771
Purchased Impaired Loans [Member] \| Residential mortgage [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	116	145	186
Purchased Impaired Loans [Member] \| Consumer Installment [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	1	5	6
Other Purchased Loans [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	36,528	53,785	55,870
Covered foreclosed property
Estimated loss reimbursement from the FDIC
Total covered assets	36,528	53,785	55,870
Other Purchased Loans [Member] \| Commercial (secured by real estate) [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	25,808	32,934	34,546
Other Purchased Loans [Member] \| Commercial & industrial [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	1,065	2,133	2,485
Other Purchased Loans [Member] \| Construction and land development [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	4,088	10,592	10,282
Other Purchased Loans [Member] \| Residential mortgage [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	5,466	7,970	8,376
Other Purchased Loans [Member] \| Consumer Installment [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans	101	156	181
Other [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans
Covered foreclosed property	7,050	10,371	11,488
Estimated loss reimbursement from the FDIC	8,970	13,292	14,302
Total covered assets	16,020	23,663	25,790
Other [Member] \| Commercial (secured by real estate) [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans
Other [Member] \| Commercial & industrial [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans
Other [Member] \| Construction and land development [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans
Other [Member] \| Residential mortgage [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans
Other [Member] \| Consumer Installment [Member] \| Federal Deposit Insurance Corporation [Member]
Schedule of components of covered assets
Total covered loans

Mergers and Acquisitions (Details Textual) $ in Millions	9 Months Ended
Mergers and Acquisitions (Details Textual) $ in Millions	Sep. 30, 2012 USD ($)
Mergers and Acquisitions (Textual) [Abstract]
Exceeding sharing agreements losses	$ 109
Southern Community Bank [Member] \| Federal Deposit Insurance Corporation [Member]
Mergers and Acquisitions (Textual) [Abstract]
Percentage of absorption of losses by FDIC under terms of loss sharing agreements	80.00%
Percentage of recoveries of losses by FDIC under the terms of the loss sharing agreements	80.00%
Percentage of absorption of losses exceeding by FDIC under the terms of the loss sharing agreements	95.00%
Percentage of recoveries of losses exceeding by FDIC under the terms of the loss sharing agreements	95.00%
Exceeding sharing agreements losses	$ 109
Term for loss sharing loans	10 years
Term for other loss sharing loans	5 years
Average life of indemnification asset	4 years

Reverse Repurchase Agreements / Securities Lending Transactions (Details) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011
Summary of amounts outstanding under reverse repurchase agreements
Assets	$ 370,000	$ 245,000
Liabilities	325,000	60,000
Net Balance (Asset)	$ 45,000	$ 185,000
Weighted average interest rate - Assets	1.19%	1.07%
Weighted average interest rate - Liabilities	0.41%	0.38%
Repurchase agreements / reverse repurchase agreements subject to master netting agreements [Member]
Summary of amounts outstanding under reverse repurchase agreements
Assets	$ 225,000	$ 60,000
Liabilities	225,000	60,000
Net Balance (Asset)
Offsetting securities lending transactions subject to master netting arrangements [Member]
Summary of amounts outstanding under reverse repurchase agreements
Assets	100,000
Liabilities	100,000
Net Balance (Asset)
Other reverse repurchase agreements [Member]
Summary of amounts outstanding under reverse repurchase agreements
Assets	45,000	185,000
Liabilities
Net Balance (Asset)	$ 45,000	$ 185,000

Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Summary of securities sales activity with realized gains and losses derived using specific identification method
Proceeds from sales			$ 371,103	$ 106,603
Gross gains on sales			7,047	1,169
Gross losses on sales				(331)
Net gains on sales of securities			$ 7,047	$ 838

Securities (Details 1) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Amortized cost, gross unrealized gains and losses and fair value of securities held to maturity
Amortized Cost	$ 262,648	$ 330,203	$ 353,739
Gross Unrealized Gains	18,688	13,683	15,609
Gross Unrealized Losses		355	328
Fair value	281,336	343,531	369,020
U.S. Government agencies [Member]
Amortized cost, gross unrealized gains and losses and fair value of securities held to maturity
Amortized Cost		5,000	5,000
Gross Unrealized Gains		6	17
Gross Unrealized Losses
Fair value		5,006	5,017
State and political subdivisions [Member]
Amortized cost, gross unrealized gains and losses and fair value of securities held to maturity
Amortized Cost	51,790	51,903	50,185
Gross Unrealized Gains	5,795	4,058	3,721
Gross Unrealized Losses		13	22
Fair value	57,585	55,948	53,884
Mortgage-backed securities [Member]
Amortized cost, gross unrealized gains and losses and fair value of securities held to maturity
Amortized Cost	210,858	273,300	298,554
Gross Unrealized Gains	12,893	9,619	11,871
Gross Unrealized Losses		342	306
Fair value	$ 223,751	$ 282,577	$ 310,119

Securities (Details 2) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Cost basis, unrealized gains and losses, and fair value of securities available for sale
Amortized Cost	$ 1,738,837	$ 1,766,134	$ 1,737,241
Gross Unrealized Gains	30,330	35,491	40,686
Gross Unrealized Losses	7,173	11,578	8,844
Fair value	1,761,994	1,790,047	1,769,083
U.S. Government agencies [Member]
Cost basis, unrealized gains and losses, and fair value of securities available for sale
Amortized Cost		43,592	33,597
Gross Unrealized Gains		158	109
Gross Unrealized Losses
Fair value		43,750	33,706
State and political subdivisions [Member]
Cost basis, unrealized gains and losses, and fair value of securities available for sale
Amortized Cost	27,403	24,997	25,435
Gross Unrealized Gains	1,478	1,345	1,400
Gross Unrealized Losses	3	3	4
Fair value	28,878	26,339	26,831
Mortgage-backed securities [Member]
Cost basis, unrealized gains and losses, and fair value of securities available for sale
Amortized Cost	1,356,002	1,576,064	1,556,639
Gross Unrealized Gains	27,689	33,988	39,177
Gross Unrealized Losses	751	143	416
Fair value	1,382,940	1,609,909	1,595,400
Corporate bonds [Member]
Cost basis, unrealized gains and losses, and fair value of securities available for sale
Amortized Cost	148,315	119,110	119,066
Gross Unrealized Gains	450
Gross Unrealized Losses	5,613	11,432	8,424
Fair value	143,152	107,678	110,642
Asset-backed securities [Member]
Cost basis, unrealized gains and losses, and fair value of securities available for sale
Amortized Cost	204,522
Gross Unrealized Gains	713
Gross Unrealized Losses	806
Fair value	204,429
Other [Member]
Cost basis, unrealized gains and losses, and fair value of securities available for sale
Amortized Cost	2,595	2,371	2,504
Gross Unrealized Gains
Gross Unrealized Losses
Fair value	$ 2,595	$ 2,371	$ 2,504

Securities (Details 3) - USD ($) $ in Thousands	Dec. 31, 2011	Sep. 30, 2011
Summary of held to maturity securities in an unrealized loss position
Fair Value, Less than 12 Months	$ 10,967	$ 10,182
Unrealized Loss, Less than 12 Months	342	328
Fair Value, 12 Months or More	363
Unrealized Loss, 12 Months or More	13
Fair Value, Total	11,330	10,182
Unrealized Loss, Total	355	328
State and political subdivisions [Member]
Summary of held to maturity securities in an unrealized loss position
Fair Value, Less than 12 Months		354
Unrealized Loss, Less than 12 Months		22
Fair Value, 12 Months or More	363
Unrealized Loss, 12 Months or More	13
Fair Value, Total	363	354
Unrealized Loss, Total	13	22
Mortgage-backed securities [Member]
Summary of held to maturity securities in an unrealized loss position
Fair Value, Less than 12 Months	10,967	9,828
Unrealized Loss, Less than 12 Months	342	306
Fair Value, 12 Months or More
Unrealized Loss, 12 Months or More
Fair Value, Total	10,967	9,828
Unrealized Loss, Total	$ 342	$ 306

Securities (Details 4) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	$ 200,955	$ 141,551	$ 300,147
Unrealized Loss, Less than 12 Months	1,557	5,307	4,181
Fair Value, 12 Months or More	130,661	87,495	66,351
Unrealized Loss, 12 Months or More	5,616	6,271	4,663
Fair Value, Total	331,616	229,046	366,498
Unrealized Loss, Total	7,173	11,578	8,844
State and political subdivisions [Member]
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months
Unrealized Loss, Less than 12 Months
Fair Value, 12 Months or More	12	11	10
Unrealized Loss, 12 Months or More	3	3	4
Fair Value, Total	12	11	10
Unrealized Loss, Total	3	3	4
Mortgage-backed securities [Member]
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	105,296	98,687	255,896
Unrealized Loss, Less than 12 Months	741	110	416
Fair Value, 12 Months or More	17,059	22,719
Unrealized Loss, 12 Months or More	10	33
Fair Value, Total	122,355	121,406	255,896
Unrealized Loss, Total	751	143	416
Corporate bonds [Member]
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	4,893	42,864	44,251
Unrealized Loss, Less than 12 Months	10	5,197	3,765
Fair Value, 12 Months or More	113,590	64,765	66,341
Unrealized Loss, 12 Months or More	5,603	6,235	4,659
Fair Value, Total	118,483	107,629	110,592
Unrealized Loss, Total	5,613	$ 11,432	$ 8,424
Asset-backed securities [Member]
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	90,766
Unrealized Loss, Less than 12 Months	806
Fair Value, 12 Months or More
Unrealized Loss, 12 Months or More
Fair Value, Total	90,766
Unrealized Loss, Total	$ 806

Securities (Details 5) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Amortized cost and fair value of held to maturity and available for sale securities by contractual maturity
Available for Sale, Amortized Cost	$ 1,738,837	$ 1,766,134	$ 1,737,241
Fair value	1,761,994	1,790,047	1,769,083
Held to Maturity, Amortized Cost	262,648	330,203	353,739
Fair value	281,336	343,531	369,020
State and political subdivisions [Member]
Amortized cost and fair value of held to maturity and available for sale securities by contractual maturity
Available for Sale, Amortized Cost, Within 1 year	5,960
Available for Sale, Fair Value, Within 1 year	5,969
Available for Sale, Amortized Cost, 1 to 5 years	15,266
Available for Sale, Fair Value, 1 to 5 years	16,321
Available for Sale, Amortized Cost, 5 to 10 years	5,329
Available for Sale, Fair Value, 5 to 10 years	5,656
Available for Sale, Amortized Cost, More than 10 years	848
Available for Sale, Fair Value, More than 10 years	932
Available for Sale, Amortized Cost	27,403
Fair value	28,878
Held to Maturity, Amortized Cost, Within 1 year
Held to Maturity, Fair Value, Within 1 year
Held to Maturity, Amortized Cost, 1 to 5 years	8,589
Held to Maturity, Fair Value, 1 to 5 years	9,379
Held to Maturity, Amortized Cost, 5 to 10 years	21,558
Held to Maturity, Fair Value, 5 to 10 years	24,064
Held to Maturity, Amortized Cost, More than 10 years	21,643
Held to Maturity, Fair Value, More than 10 years	24,142
Held to Maturity, Amortized Cost	51,790	51,903	50,185
Fair value	57,585	55,948	53,884
Corporate bonds [Member]
Amortized cost and fair value of held to maturity and available for sale securities by contractual maturity
Available for Sale, Amortized Cost, 1 to 5 years	38,002
Available for Sale, Fair Value, 1 to 5 years	37,503
Available for Sale, Amortized Cost, 5 to 10 years	109,313
Available for Sale, Fair Value, 5 to 10 years	105,349
Available for Sale, Amortized Cost, More than 10 years	1,000
Available for Sale, Fair Value, More than 10 years	300
Available for Sale, Amortized Cost	148,315
Fair value	143,152
Held to Maturity, Amortized Cost, 1 to 5 years
Held to Maturity, Fair Value, 1 to 5 years
Held to Maturity, Amortized Cost, 5 to 10 years
Held to Maturity, Fair Value, 5 to 10 years
Held to Maturity, Amortized Cost, More than 10 years
Held to Maturity, Fair Value, More than 10 years
Held to Maturity, Amortized Cost
Fair value
Asset-backed securities [Member]
Amortized cost and fair value of held to maturity and available for sale securities by contractual maturity
Available for Sale, Amortized Cost, 1 to 5 years	61,429
Available for Sale, Fair Value, 1 to 5 years	61,108
Available for Sale, Amortized Cost, 5 to 10 years	134,885
Available for Sale, Fair Value, 5 to 10 years	135,212
Available for Sale, Amortized Cost, More than 10 years	8,208
Available for Sale, Fair Value, More than 10 years	8,109
Available for Sale, Amortized Cost	204,522
Fair value	204,429
Held to Maturity, Amortized Cost, 1 to 5 years
Held to Maturity, Fair Value, 1 to 5 years
Held to Maturity, Amortized Cost, 5 to 10 years
Held to Maturity, Fair Value, 5 to 10 years
Held to Maturity, Amortized Cost, More than 10 years
Held to Maturity, Fair Value, More than 10 years
Held to Maturity, Amortized Cost
Fair value
Other [Member]
Amortized cost and fair value of held to maturity and available for sale securities by contractual maturity
Available for Sale, Amortized Cost, More than 10 years	2,595
Available for Sale, Fair Value, More than 10 years	2,595
Available for Sale, Amortized Cost	2,595
Fair value	2,595
Held to Maturity, Amortized Cost, More than 10 years
Held to Maturity, Fair Value, More than 10 years
Held to Maturity, Amortized Cost
Fair value
Total securities other than mortgage-backed securities [Member]
Amortized cost and fair value of held to maturity and available for sale securities by contractual maturity
Available for Sale, Amortized Cost, Within 1 year	5,960
Available for Sale, Fair Value, Within 1 year	5,969
Available for Sale, Amortized Cost, 1 to 5 years	114,697
Available for Sale, Fair Value, 1 to 5 years	114,932
Available for Sale, Amortized Cost, 5 to 10 years	249,527
Available for Sale, Fair Value, 5 to 10 years	246,217
Available for Sale, Amortized Cost, More than 10 years	12,651
Available for Sale, Fair Value, More than 10 years	11,936
Held to Maturity, Amortized Cost, Within 1 year
Held to Maturity, Fair Value, Within 1 year
Held to Maturity, Amortized Cost, 1 to 5 years	8,589
Held to Maturity, Fair Value, 1 to 5 years	9,379
Held to Maturity, Amortized Cost, 5 to 10 years	21,558
Held to Maturity, Fair Value, 5 to 10 years	24,064
Held to Maturity, Amortized Cost, More than 10 years	21,643
Held to Maturity, Fair Value, More than 10 years	24,142
Mortgage-backed securities [Member]
Amortized cost and fair value of held to maturity and available for sale securities by contractual maturity
Available for Sale, Amortized Cost	1,356,002
Fair value	1,382,940
Held to Maturity, Amortized Cost	210,858	273,300	298,554
Fair value	$ 223,751	$ 282,577	$ 310,119

Securities (Details Textual) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012 USD ($) Securities $ / shares	Sep. 30, 2011 USD ($)	Sep. 30, 2012 USD ($) Securities	Sep. 30, 2011 USD ($)	Dec. 31, 2011 USD ($)
Securities (Textual) [Abstract]
Carrying value of secure public deposits, FHLB advances and other secured borrowings	$ 1,280,000	$ 1,890,000	$ 1,280,000	$ 1,890,000	$ 1,720,000
Number of available for sale securities in unrealized loss position \| Securities	41		41
Number of held to maturity securities in unrealized loss position \| Securities	0		0
Impairment charges	$ 0	$ 0	$ 0	$ 0
Increase in interest revenue due to change in accounting estimate	$ 2,000
Increase in EPS due to change in accounting estimate \| $ / shares	$ 0.03

- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 35
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=16383099&loc=d3e25351-111560

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS115-1/124-1
-Paragraph 15C
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS115-1/124-1
-Paragraph 15D
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS115-1/124-1
-Paragraph 16B
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 16
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS115-2/124-2
-Paragraph 22
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Loans and Allowance for Loan Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Classifications of loans
Total commercial	$ 2,439,917		$ 2,413,818	$ 2,368,675
Total loans	4,137,845		4,109,614	4,109,875
Less allowance for loan losses	(107,642)	$ (112,705)	(114,468)	(146,092)	$ (127,638)	$ (174,695)
Loans, net	4,030,203		3,995,146	3,963,783
Commercial (secured by real estate) [Member]
Classifications of loans
Total commercial	1,819,155		1,821,414	1,771,101
Total loans	1,819,155		1,821,414	1,771,101
Less allowance for loan losses	(26,775)		(31,644)	(25,477)		(31,191)
Commercial & industrial [Member]
Classifications of loans
Total commercial	459,997		428,249	429,043
Total loans	459,997		428,249	429,043
Less allowance for loan losses	(4,858)		(5,681)	(22,771)		(7,580)
Commercial construction [Member]
Classifications of loans
Total commercial	160,765		164,155	168,531
Total loans	160,765		164,155	168,531
Less allowance for loan losses	(8,586)		(6,097)	(8,704)		(6,780)
Residential mortgage [Member]
Classifications of loans
Total loans	1,174,236		1,134,902	1,149,678
Less allowance for loan losses	(27,475)		(29,076)	(29,009)		(22,305)
Residential construction [Member]
Classifications of loans
Total loans	388,742		448,391	474,552
Less allowance for loan losses	(28,059)		(30,379)	(45,265)		(92,571)
Consumer installment [Member]
Classifications of loans
Total loans	134,950		112,503	116,970
Less allowance for loan losses	$ (2,870)		$ (2,124)	$ (2,203)		$ (3,030)

Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Changes in the allowance for loan losses
Balance beginning of period	$ 112,705	$ 127,638	$ 114,468	$ 174,695
Provision for loan losses	15,500	36,000	48,500	237,000
Total loans charged-off	22,234	19,878	59,093	270,025
Total recoveries	1,671	2,332	3,767	4,422
Net charge-offs	20,563	17,546	55,326	265,603
Balance end of period	107,642	146,092	107,642	146,092
Commercial (secured by real estate) [Member]
Changes in the allowance for loan losses
Balance beginning of period			31,644	31,191
Provision for loan losses			11,351	48,344
Total loans charged-off	8,445	2,270	16,791	54,410
Total recoveries	271	78	571	352
Balance end of period	26,775	25,477	26,775	25,477
Commercial & industrial [Member]
Changes in the allowance for loan losses
Balance beginning of period			5,681	7,580
Provision for loan losses			362	20,174
Total loans charged-off	343	866	1,987	5,832
Total recoveries	602	446	802	849
Balance end of period	4,858	22,771	4,858	22,771
Commercial construction [Member]
Changes in the allowance for loan losses
Balance beginning of period			6,097	6,780
Provision for loan losses			6,101	54,133
Total loans charged-off	3,198	1,705	3,650	52,400
Total recoveries	8	80	38	191
Balance end of period	8,586	8,704	8,586	8,704
Residential mortgage [Member]
Changes in the allowance for loan losses
Balance beginning of period			29,076	22,305
Provision for loan losses			11,163	53,786
Total loans charged-off	3,575	6,399	13,356	47,742
Total recoveries	48	289	592	660
Balance end of period	27,475	29,009	27,475	29,009
Residential construction [Member]
Changes in the allowance for loan losses
Balance beginning of period			30,379	92,571
Provision for loan losses			18,233	57,842
Total loans charged-off	6,231	7,668	21,706	106,692
Total recoveries	555	1,287	1,153	1,544
Balance end of period	28,059	45,265	28,059	45,265
Consumer Installment [Member]
Changes in the allowance for loan losses
Balance beginning of period			2,124	3,030
Provision for loan losses			1,738	1,296
Total loans charged-off	442	970	1,603	2,949
Total recoveries	187	152	611	826
Balance end of period	$ 2,870	$ 2,203	$ 2,870	$ 2,203

Loans and Allowance for Loan Losses (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Allowance for loan losses:
Balance beginning of period	$ 112,705	$ 127,638	$ 114,468	$ 174,695
Charge-offs	(22,234)	(19,878)	(59,093)	(270,025)
Recoveries	1,671	2,332	3,767	4,422
Provision	15,500	36,000	48,500	237,000
Balance end of period	107,642	146,092	107,642	146,092
Ending allowance attributable to loans:
Individually evaluated for impairment					$ 12,853	$ 14,825	$ 33,541
Collectively evaluated for impairment					94,789	99,643	112,551
Total ending allowance balance	112,705	127,638	114,468	174,695	107,642	114,468	146,092
Loans:
Individually evaluated for impairment					268,555	257,259	182,730
Collectively evaluated for impairment					3,869,290	3,852,355	3,927,145
Total loans					4,137,845	4,109,614	4,109,875
Commercial (secured by real estate) [Member]
Allowance for loan losses:
Balance beginning of period			31,644	31,191
Charge-offs	(8,445)	(2,270)	(16,791)	(54,410)
Recoveries	271	78	571	352
Provision			11,351	48,344
Balance end of period	26,775	25,477	26,775	25,477
Ending allowance attributable to loans:
Individually evaluated for impairment					6,692	7,491	4,070
Collectively evaluated for impairment					20,083	24,153	21,407
Total ending allowance balance	26,775	25,477	31,644	31,191	26,775	31,644	25,477
Loans:
Individually evaluated for impairment					119,023	107,831	54,126
Collectively evaluated for impairment					1,700,132	1,713,583	1,716,975
Total loans					1,819,155	1,821,414	1,771,101
Commercial construction [Member]
Allowance for loan losses:
Balance beginning of period			6,097	6,780
Charge-offs	(3,198)	(1,705)	(3,650)	(52,400)
Recoveries	8	80	38	191
Provision			6,101	54,133
Balance end of period	8,586	8,704	8,586	8,704
Ending allowance attributable to loans:
Individually evaluated for impairment					2,289	236	4,038
Collectively evaluated for impairment					6,297	5,861	4,666
Total ending allowance balance	8,586	8,704	6,097	6,780	8,586	6,097	8,704
Loans:
Individually evaluated for impairment					42,249	26,245	23,844
Collectively evaluated for impairment					118,516	137,910	144,687
Total loans					160,765	164,155	168,531
Commercial & industrial [Member]
Allowance for loan losses:
Balance beginning of period			5,681	7,580
Charge-offs	(343)	(866)	(1,987)	(5,832)
Recoveries	602	446	802	849
Provision			362	20,174
Balance end of period	4,858	22,771	4,858	22,771
Ending allowance attributable to loans:
Individually evaluated for impairment					725	1,117	17,067
Collectively evaluated for impairment					4,133	4,564	5,704
Total ending allowance balance	4,858	22,771	5,681	7,580	4,858	5,681	22,771
Loans:
Individually evaluated for impairment					53,531	57,828	52,433
Collectively evaluated for impairment					406,466	370,421	376,610
Total loans					459,997	428,249	429,043
Residential construction [Member]
Allowance for loan losses:
Balance beginning of period			30,379	92,571
Charge-offs	(6,231)	(7,668)	(21,706)	(106,692)
Recoveries	555	1,287	1,153	1,544
Provision			18,233	57,842
Balance end of period	28,059	45,265	28,059	45,265
Ending allowance attributable to loans:
Individually evaluated for impairment					1,270	3,731	7,267
Collectively evaluated for impairment					26,789	26,648	37,998
Total ending allowance balance	28,059	45,265	30,379	92,571	28,059	30,379	45,265
Loans:
Individually evaluated for impairment					31,576	46,687	44,189
Collectively evaluated for impairment					357,166	401,704	430,363
Total loans					388,742	448,391	474,552
Residential mortgage [Member]
Allowance for loan losses:
Balance beginning of period			29,076	22,305
Charge-offs	(3,575)	(6,399)	(13,356)	(47,742)
Recoveries	48	289	592	660
Provision			11,163	53,786
Balance end of period	27,475	29,009	27,475	29,009
Ending allowance attributable to loans:
Individually evaluated for impairment					1,856	2,234	1,062
Collectively evaluated for impairment					25,619	26,842	27,947
Total ending allowance balance	27,475	29,009	29,076	22,305	27,475	29,076	29,009
Loans:
Individually evaluated for impairment					21,678	18,376	8,043
Collectively evaluated for impairment					1,152,558	1,116,526	1,141,635
Total loans					1,174,236	1,134,902	1,149,678
Consumer Installment [Member]
Allowance for loan losses:
Balance beginning of period			2,124	3,030
Charge-offs	(442)	(970)	(1,603)	(2,949)
Recoveries	187	152	611	826
Provision			1,738	1,296
Balance end of period	2,870	2,203	2,870	2,203
Ending allowance attributable to loans:
Individually evaluated for impairment					21	16	37
Collectively evaluated for impairment					2,849	2,108	2,166
Total ending allowance balance	2,870	2,203	2,124	3,030	2,870	2,124	2,203
Loans:
Individually evaluated for impairment					498	292	95
Collectively evaluated for impairment					134,452	112,211	116,875
Total loans					134,950	112,503	116,970
Unallocated [Member]
Allowance for loan losses:
Balance beginning of period			9,467	11,238
Provision			(448)	1,425
Balance end of period	9,019	12,663	9,019	12,663
Ending allowance attributable to loans:
Collectively evaluated for impairment					9,019	9,467	12,663
Total ending allowance balance	$ 9,019	$ 12,663	$ 9,467	$ 11,238	$ 9,019	$ 9,467	$ 12,663

Loans and Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Recorded investments in individually evaluated impaired loans
Total	$ 268,555	$ 257,259	$ 182,730
Allowance for loan losses allocated	12,853	14,825	33,541
Period-end loans with no allocated allowance for loan losses [Member]
Recorded investments in individually evaluated impaired loans
Total	174,113	188,509	66,636
Period-end loans with allocated allowance for loan losses [Member]
Recorded investments in individually evaluated impaired loans
Total	$ 94,442	$ 68,750	$ 116,094

Loans and Allowance for Loan Losses (Details 4) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Average balances of impaired loans and income recognized on impaired loans
Average balance of individually evaluated impaired loans during period	$ 275,960	$ 109,164	$ 281,307	$ 81,031
Interest income recognized during impairment	2,110	797	6,798	797
Cash-basis interest income recognized	$ 2,932	$ 630	$ 9,340	$ 630

Loans and Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Loans individually evaluated for impairment by class of loans
Unpaid Principal Balance, With no related allowance recorded	$ 222,504	$ 238,305	$ 91,512
Unpaid Principal Balance, With an allowance recorded	100,346	69,148	119,232
Unpaid Principal Balance	322,850	307,453	210,744
Recorded Investment, With no related allowance recorded	174,113	188,509	66,636
Recorded Investment, With allowance recorded	94,442	68,750	116,094
Recorded Investment	268,555	257,259	182,730
Allowance for loan losses allocated	12,853	14,825	33,541
Commercial Portfolio Segment [Member]
Loans individually evaluated for impairment by class of loans
Unpaid Principal Balance, With no related allowance recorded	179,123	185,442	52,093
Unpaid Principal Balance, With an allowance recorded	73,387	39,642	88,282
Recorded Investment, With no related allowance recorded	145,704	152,452	44,599
Recorded Investment, With allowance recorded	69,099	39,452	85,804
Allowance for loan losses allocated	9,706	8,844	25,175
Commercial (secured by real estate) [Member]
Loans individually evaluated for impairment by class of loans
Allowance for loan losses allocated	6,692	7,491	4,070
Commercial (secured by real estate) [Member] \| Commercial Portfolio Segment [Member]
Loans individually evaluated for impairment by class of loans
Unpaid Principal Balance, With no related allowance recorded	85,137	82,887	45,242
Unpaid Principal Balance, With an allowance recorded	44,590	31,806	16,173
Recorded Investment, With no related allowance recorded	77,801	76,215	38,242
Recorded Investment, With allowance recorded	41,222	31,616	15,884
Allowance for loan losses allocated	6,692	7,491	4,070
Commercial & industrial [Member]
Loans individually evaluated for impairment by class of loans
Allowance for loan losses allocated	725	1,117	17,067
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member]
Loans individually evaluated for impairment by class of loans
Unpaid Principal Balance, With no related allowance recorded	76,247	77,628	48
Unpaid Principal Balance, With an allowance recorded	2,321	5,200	54,259
Recorded Investment, With no related allowance recorded	51,247	52,628	48
Recorded Investment, With allowance recorded	2,284	5,200	52,385
Allowance for loan losses allocated	725	1,117	17,067
Commercial construction [Member]
Loans individually evaluated for impairment by class of loans
Allowance for loan losses allocated	2,289	236	4,038
Commercial construction [Member] \| Commercial Portfolio Segment [Member]
Loans individually evaluated for impairment by class of loans
Unpaid Principal Balance, With no related allowance recorded	17,739	24,927	6,803
Unpaid Principal Balance, With an allowance recorded	26,476	2,636	17,850
Recorded Investment, With no related allowance recorded	16,656	23,609	6,309
Recorded Investment, With allowance recorded	25,593	2,636	17,535
Allowance for loan losses allocated	2,289	236	4,038
Residential mortgage [Member]
Loans individually evaluated for impairment by class of loans
Unpaid Principal Balance, With no related allowance recorded	11,091	13,845	7,745
Unpaid Principal Balance, With an allowance recorded	13,410	7,642	2,455
Recorded Investment, With no related allowance recorded	8,746	10,804	5,588
Recorded Investment, With allowance recorded	12,932	7,572	2,455
Allowance for loan losses allocated	1,856	2,234	1,062
Residential construction [Member]
Loans individually evaluated for impairment by class of loans
Unpaid Principal Balance, With no related allowance recorded	32,228	38,955	31,646
Unpaid Principal Balance, With an allowance recorded	13,105	21,629	28,428
Recorded Investment, With no related allowance recorded	19,601	25,190	16,421
Recorded Investment, With allowance recorded	11,975	21,497	27,768
Allowance for loan losses allocated	1,270	3,731	7,267
Consumer installment [Member]
Loans individually evaluated for impairment by class of loans
Unpaid Principal Balance, With no related allowance recorded	62	63	28
Unpaid Principal Balance, With an allowance recorded	444	235	67
Recorded Investment, With no related allowance recorded	62	63	28
Recorded Investment, With allowance recorded	436	229	67
Allowance for loan losses allocated	$ 21	$ 16	$ 37

Loans and Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	$ 115,001	$ 127,479	$ 144,484
Balance as a percentage of unpaid principal	68.80%	71.30%	77.80%
Commercial Portfolio Segment [Member]
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	$ 77,164	$ 78,590	$ 86,377
Commercial (secured by real estate) [Member]
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	25,896	27,322	21,998
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member]
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	32,678	34,613	53,009
Commercial construction [Member] \| Commercial Portfolio Segment [Member]
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	18,590	16,655	11,370
Residential mortgage [Member]
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	13,996	22,358	22,671
Residential construction [Member]
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	22,935	25,523	34,472
Consumer installment [Member]
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	$ 906	$ 1,008	$ 964

Loans and Allowance for Loan Losses (Details 7) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Aging of the recorded investment in past due loans
Loans Past Due, 30 - 59 Days	$ 24,465	$ 32,730	$ 24,072
Loans Past Due, 60 - 89 Days	13,721	12,154	12,525
Loans Past Due, Greater than 90 Days Past Due	32,641	31,920	40,700
Loans, Total Past Due	70,827	76,804	77,297
Loans Not Past Due	4,067,018	4,032,810	4,032,578
Total loans	4,137,845	4,109,614	4,109,875
Commercial Portfolio Segment [Member]
Aging of the recorded investment in past due loans
Loans Past Due, 30 - 59 Days	7,107	12,071	5,877
Loans Past Due, 60 - 89 Days	6,385	4,593	6,410
Loans Past Due, Greater than 90 Days Past Due	15,637	12,149	13,392
Loans, Total Past Due	29,129	28,813	25,679
Loans Not Past Due	2,410,788	2,385,005	2,342,996
Total loans	2,439,917	2,413,818	2,368,675
Commercial (secured by real estate) [Member]
Aging of the recorded investment in past due loans
Total loans	1,819,155	1,821,414	1,771,101
Commercial (secured by real estate) [Member] \| Commercial Portfolio Segment [Member]
Aging of the recorded investment in past due loans
Loans Past Due, 30 - 59 Days	5,395	8,036	4,587
Loans Past Due, 60 - 89 Days	5,210	4,182	4,730
Loans Past Due, Greater than 90 Days Past Due	11,103	10,614	10,594
Loans, Total Past Due	21,708	22,832	19,911
Loans Not Past Due	1,797,447	1,798,582	1,751,190
Total loans	1,819,155	1,821,414	1,771,101
Commercial & industrial [Member]
Aging of the recorded investment in past due loans
Total loans	459,997	428,249	429,043
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member]
Aging of the recorded investment in past due loans
Loans Past Due, 30 - 59 Days	1,499	3,869	1,141
Loans Past Due, 60 - 89 Days	295	411	1,507
Loans Past Due, Greater than 90 Days Past Due	696	407	691
Loans, Total Past Due	2,490	4,687	3,339
Loans Not Past Due	457,507	423,562	425,704
Total loans	459,997	428,249	429,043
Commercial construction [Member]
Aging of the recorded investment in past due loans
Total loans	160,765	164,155	168,531
Commercial construction [Member] \| Commercial Portfolio Segment [Member]
Aging of the recorded investment in past due loans
Loans Past Due, 30 - 59 Days	213	166	149
Loans Past Due, 60 - 89 Days	880		173
Loans Past Due, Greater than 90 Days Past Due	3,838	1,128	2,107
Loans, Total Past Due	4,931	1,294	2,429
Loans Not Past Due	155,834	162,861	166,102
Total loans	160,765	164,155	168,531
Residential mortgage [Member]
Aging of the recorded investment in past due loans
Loans Past Due, 30 - 59 Days	11,771	15,185	13,979
Loans Past Due, 60 - 89 Days	4,798	4,617	3,308
Loans Past Due, Greater than 90 Days Past Due	5,556	9,071	12,471
Loans, Total Past Due	22,125	28,873	29,758
Loans Not Past Due	1,152,111	1,106,029	1,119,920
Total loans	1,174,236	1,134,902	1,149,678
Residential construction [Member]
Aging of the recorded investment in past due loans
Loans Past Due, 30 - 59 Days	4,318	3,940	2,685
Loans Past Due, 60 - 89 Days	2,319	2,636	2,403
Loans Past Due, Greater than 90 Days Past Due	11,054	10,270	14,546
Loans, Total Past Due	17,691	16,846	19,634
Loans Not Past Due	371,051	431,545	454,918
Total loans	388,742	448,391	474,552
Consumer installment [Member]
Aging of the recorded investment in past due loans
Loans Past Due, 30 - 59 Days	1,269	1,534	1,531
Loans Past Due, 60 - 89 Days	219	308	404
Loans Past Due, Greater than 90 Days Past Due	394	430	291
Loans, Total Past Due	1,882	2,272	2,226
Loans Not Past Due	133,068	110,231	114,744
Total loans	$ 134,950	$ 112,503	$ 116,970

Loans and Allowance for Loan Losses (Details 8) $ in Thousands	Sep. 30, 2012 USD ($) Contract	Dec. 31, 2011 USD ($) Contract	Sep. 30, 2011 USD ($) Contract
Additional information on troubled debt restructurings
Number of Contracts \| Contract	393	271	110
Pre-Modification Outstanding Recorded Investment	$ 177,967	$ 126,401	$ 79,860
Post-Modification Outstanding Recorded Investment	$ 166,332	$ 123,730	$ 75,708
Commercial Portfolio Segment [Member]
Additional information on troubled debt restructurings
Number of Contracts \| Contract	156	103	45
Pre-Modification Outstanding Recorded Investment	$ 129,741	$ 89,239	$ 55,604
Post-Modification Outstanding Recorded Investment	$ 122,710	$ 87,913	$ 52,604
Commercial (secured by real estate) [Member] \| Commercial Portfolio Segment [Member]
Additional information on troubled debt restructurings
Number of Contracts \| Contract	101	74	31
Pre-Modification Outstanding Recorded Investment	$ 84,672	$ 70,380	$ 41,177
Post-Modification Outstanding Recorded Investment	$ 79,645	$ 69,054	$ 38,177
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member]
Additional information on troubled debt restructurings
Number of Contracts \| Contract	30	18	7
Pre-Modification Outstanding Recorded Investment	$ 7,237	$ 806	$ 304
Post-Modification Outstanding Recorded Investment	$ 7,199	$ 806	$ 304
Commercial construction [Member] \| Commercial Portfolio Segment [Member]
Additional information on troubled debt restructurings
Number of Contracts \| Contract	25	11	7
Pre-Modification Outstanding Recorded Investment	$ 37,832	$ 18,053	$ 14,123
Post-Modification Outstanding Recorded Investment	$ 35,866	$ 18,053	$ 14,123
Residential mortgage [Member]
Additional information on troubled debt restructurings
Number of Contracts \| Contract	114	80	16
Pre-Modification Outstanding Recorded Investment	$ 18,226	$ 11,943	$ 2,792
Post-Modification Outstanding Recorded Investment	$ 17,487	$ 11,379	$ 2,635
Residential construction [Member]
Additional information on troubled debt restructurings
Number of Contracts \| Contract	73	54	46
Pre-Modification Outstanding Recorded Investment	$ 28,629	$ 24,921	$ 21,369
Post-Modification Outstanding Recorded Investment	$ 24,772	$ 24,145	$ 20,374
Consumer installment [Member]
Additional information on troubled debt restructurings
Number of Contracts \| Contract	50	34	3
Pre-Modification Outstanding Recorded Investment	$ 1,371	$ 298	$ 95
Post-Modification Outstanding Recorded Investment	$ 1,363	$ 293	$ 95

Loans and Allowance for Loan Losses (Detail 9) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2012 USD ($) Contract	Sep. 30, 2012 USD ($) Contract
Loans modified under the terms of a TDR
Number of Contracts \| Contract	56	214
Pre-Modification Outstanding Recorded Investment	$ 22,472	$ 99,417
Post-Modification Outstanding Recorded Investment	$ 21,782	$ 96,256
Number of Contracts \| Contract	16	32
Recorded Investment	$ 3,326	$ 11,858
Commercial Portfolio Segment [Member]
Loans modified under the terms of a TDR
Number of Contracts \| Contract	22	87
Pre-Modification Outstanding Recorded Investment	$ 13,607	$ 68,326
Post-Modification Outstanding Recorded Investment	$ 13,449	$ 66,723
Number of Contracts \| Contract	3	10
Recorded Investment	$ 324	$ 6,853
Commercial (secured by real estate) [Member] \| Commercial Portfolio Segment [Member]
Loans modified under the terms of a TDR
Number of Contracts \| Contract	13	47
Pre-Modification Outstanding Recorded Investment	$ 7,914	$ 30,828
Post-Modification Outstanding Recorded Investment	$ 7,836	$ 29,305
Number of Contracts \| Contract	3	6
Recorded Investment	$ 324	$ 2,631
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member]
Loans modified under the terms of a TDR
Number of Contracts \| Contract	3	20
Pre-Modification Outstanding Recorded Investment	$ 162	$ 3,484
Post-Modification Outstanding Recorded Investment	$ 162	$ 3,484
Number of Contracts \| Contract		2
Recorded Investment		$ 48
Commercial construction [Member] \| Commercial Portfolio Segment [Member]
Loans modified under the terms of a TDR
Number of Contracts \| Contract	6	20
Pre-Modification Outstanding Recorded Investment	$ 5,531	$ 34,014
Post-Modification Outstanding Recorded Investment	$ 5,451	$ 33,934
Number of Contracts \| Contract		2
Recorded Investment		$ 4,174
Residential mortgage [Member]
Loans modified under the terms of a TDR
Number of Contracts \| Contract	15	59
Pre-Modification Outstanding Recorded Investment	$ 2,252	$ 12,819
Post-Modification Outstanding Recorded Investment	$ 2,102	$ 12,487
Number of Contracts \| Contract	2	6
Recorded Investment	$ 47	$ 447
Residential construction [Member]
Loans modified under the terms of a TDR
Number of Contracts \| Contract	12	46
Pre-Modification Outstanding Recorded Investment	$ 6,569	$ 17,958
Post-Modification Outstanding Recorded Investment	$ 6,188	$ 15,738
Number of Contracts \| Contract	10	14
Recorded Investment	$ 2,953	$ 4,550
Consumer installment [Member]
Loans modified under the terms of a TDR
Number of Contracts \| Contract	7	22
Pre-Modification Outstanding Recorded Investment	$ 44	$ 314
Post-Modification Outstanding Recorded Investment	$ 43	$ 308
Number of Contracts \| Contract	1	2
Recorded Investment	$ 2	$ 8

Loans and Allowance for Loan Losses (Details 10) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Risk category of loans by class of loans
Total loans	$ 4,137,845	$ 4,109,614	$ 4,109,875
Pass [Member]
Risk category of loans by class of loans
Total loans	3,577,373	3,459,003	3,418,868
Watch [Member]
Risk category of loans by class of loans
Total loans	162,027	193,753	198,823
Substandard [Member]
Risk category of loans by class of loans
Total loans	397,505	455,948	491,304
Doubtful / Loss [Member]
Risk category of loans by class of loans
Total loans
Not Rated [Member]
Risk category of loans by class of loans
Total loans	940	910	880
Commercial Portfolio Segment [Member]
Risk category of loans by class of loans
Total loans	2,439,917	2,413,818	2,368,675
Commercial Portfolio Segment [Member] \| Pass [Member]
Risk category of loans by class of loans
Total loans	2,103,691	2,045,364	1,973,421
Commercial Portfolio Segment [Member] \| Watch [Member]
Risk category of loans by class of loans
Total loans	85,871	111,633	116,744
Commercial Portfolio Segment [Member] \| Substandard [Member]
Risk category of loans by class of loans
Total loans	249,415	255,911	277,630
Commercial Portfolio Segment [Member] \| Doubtful / Loss [Member]
Risk category of loans by class of loans
Total loans
Commercial Portfolio Segment [Member] \| Not Rated [Member]
Risk category of loans by class of loans
Total loans	940	910	880
Commercial (secured by real estate) [Member] \| Commercial Portfolio Segment [Member]
Risk category of loans by class of loans
Total loans	1,819,155	1,821,414	1,771,101
Commercial (secured by real estate) [Member] \| Commercial Portfolio Segment [Member] \| Pass [Member]
Risk category of loans by class of loans
Total loans	1,591,322	1,561,204	1,520,604
Commercial (secured by real estate) [Member] \| Commercial Portfolio Segment [Member] \| Watch [Member]
Risk category of loans by class of loans
Total loans	75,606	89,830	94,147
Commercial (secured by real estate) [Member] \| Commercial Portfolio Segment [Member] \| Substandard [Member]
Risk category of loans by class of loans
Total loans	152,227	170,380	156,350
Commercial (secured by real estate) [Member] \| Commercial Portfolio Segment [Member] \| Doubtful / Loss [Member]
Risk category of loans by class of loans
Total loans
Commercial (secured by real estate) [Member] \| Commercial Portfolio Segment [Member] \| Not Rated [Member]
Risk category of loans by class of loans
Total loans
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member]
Risk category of loans by class of loans
Total loans	459,997	428,249	429,043
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member] \| Pass [Member]
Risk category of loans by class of loans
Total loans	403,460	369,343	337,796
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member] \| Watch [Member]
Risk category of loans by class of loans
Total loans	4,179	7,630	6,986
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member] \| Substandard [Member]
Risk category of loans by class of loans
Total loans	51,418	50,366	83,381
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member] \| Doubtful / Loss [Member]
Risk category of loans by class of loans
Total loans
Commercial & industrial [Member] \| Commercial Portfolio Segment [Member] \| Not Rated [Member]
Risk category of loans by class of loans
Total loans	940	910	880
Commercial construction [Member] \| Commercial Portfolio Segment [Member]
Risk category of loans by class of loans
Total loans	160,765	164,155	168,531
Commercial construction [Member] \| Commercial Portfolio Segment [Member] \| Pass [Member]
Risk category of loans by class of loans
Total loans	108,909	114,817	115,021
Commercial construction [Member] \| Commercial Portfolio Segment [Member] \| Watch [Member]
Risk category of loans by class of loans
Total loans	6,086	14,173	15,611
Commercial construction [Member] \| Commercial Portfolio Segment [Member] \| Substandard [Member]
Risk category of loans by class of loans
Total loans	45,770	35,165	37,899
Commercial construction [Member] \| Commercial Portfolio Segment [Member] \| Doubtful / Loss [Member]
Risk category of loans by class of loans
Total loans
Commercial construction [Member] \| Commercial Portfolio Segment [Member] \| Not Rated [Member]
Risk category of loans by class of loans
Total loans
Residential mortgage [Member]
Risk category of loans by class of loans
Total loans	1,174,236	1,134,902	1,149,678
Residential mortgage [Member] \| Pass [Member]
Risk category of loans by class of loans
Total loans	1,051,402	993,779	1,012,423
Residential mortgage [Member] \| Watch [Member]
Risk category of loans by class of loans
Total loans	36,640	42,323	37,892
Residential mortgage [Member] \| Substandard [Member]
Risk category of loans by class of loans
Total loans	86,194	98,800	99,363
Residential mortgage [Member] \| Doubtful / Loss [Member]
Risk category of loans by class of loans
Total loans
Residential mortgage [Member] \| Not Rated [Member]
Risk category of loans by class of loans
Total loans
Residential construction [Member]
Risk category of loans by class of loans
Total loans	388,742	448,391	474,552
Residential construction [Member] \| Pass [Member]
Risk category of loans by class of loans
Total loans	292,003	312,527	320,567
Residential construction [Member] \| Watch [Member]
Risk category of loans by class of loans
Total loans	38,635	38,386	43,340
Residential construction [Member] \| Substandard [Member]
Risk category of loans by class of loans
Total loans	58,104	97,478	110,645
Residential construction [Member] \| Doubtful / Loss [Member]
Risk category of loans by class of loans
Total loans
Residential construction [Member] \| Not Rated [Member]
Risk category of loans by class of loans
Total loans
Consumer installment [Member]
Risk category of loans by class of loans
Total loans	134,950	112,503	116,970
Consumer installment [Member] \| Pass [Member]
Risk category of loans by class of loans
Total loans	130,277	107,333	112,457
Consumer installment [Member] \| Watch [Member]
Risk category of loans by class of loans
Total loans	881	1,411	847
Consumer installment [Member] \| Substandard [Member]
Risk category of loans by class of loans
Total loans	3,792	3,759	3,666
Consumer installment [Member] \| Doubtful / Loss [Member]
Risk category of loans by class of loans
Total loans
Consumer installment [Member] \| Not Rated [Member]
Risk category of loans by class of loans
Total loans

Loans and Allowance for Loan Losses (Details Textual) - USD ($)	3 Months Ended
	Jun. 30, 2011	Mar. 31, 2011	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Loans and Allowance for Loan Losses (Textual) [Abstract]
Criteria amount for evaluation of impairment			$ 500,000
Accruing substandard relationship			2,000,000
Sale of classified loans		$ 267,000,000
Increased charge-offs		$ 186,000,000
Reduction charge-offs	$ 7,270,000
Loans more than 90 days past due and still accruing interest			0	$ 0	$ 0
Specific reserves			10,800,000	8,650,000	7,750,000
Loans outstanding classified as troubled debt restructurings			377,000	1,120,000	1,060,000
FHLB [Member]
Loans and Allowance for Loan Losses (Textual) [Abstract]
Pledged as collateral to secure FHLB advances			$ 1,780,000,000	$ 1,520,000,000	$ 1,370,000,000

Foreclosed Property (Details) - USD ($) $ in Thousands	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Classifications of foreclosed properties
Total foreclosed property	$ 38,286		$ 51,841	$ 69,427
Less valuation allowance	11,328	$ 11,872	18,982	25,164	$ 30,386	$ 16,565
Foreclosed property, net	$ 26,958		$ 32,859	$ 44,263
Balance as a percentage of original loan unpaid principal	36.40%		35.90%	33.40%
Commercial Portfolio Segment [Member]
Classifications of foreclosed properties
Total foreclosed property	$ 12,734		$ 14,202	$ 17,735
Commercial real estate [Member] \| Commercial Portfolio Segment [Member]
Classifications of foreclosed properties
Total foreclosed property	9,613		10,866	11,873
Commercial construction [Member] \| Commercial Portfolio Segment [Member]
Classifications of foreclosed properties
Total foreclosed property	3,121		3,336	5,862
Residential mortgage [Member]
Classifications of foreclosed properties
Total foreclosed property	6,509		7,840	9,397
Residential construction [Member]
Classifications of foreclosed properties
Total foreclosed property	$ 19,043		$ 29,799	$ 42,295

Foreclosed Property (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Foreclosed Property (Details 1) - USD ($) $ in Thousands	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Activity in the valuation allowance for foreclosed property
Balance at beginning of period	$ 11,872	$ 30,386	$ 18,982	$ 16,565
Additions charged to expense	2,394	1,772	5,513	53,475
Direct write downs	(2,938)	(6,994)	(13,167)	(44,876)
Balance at end of period	$ 11,328	$ 25,164	$ 11,328	$ 25,164

Foreclosed Property (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Foreclosed Property (Details 2) - USD ($) $ in Thousands	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Expenses related to foreclosed assets
Net loss (gain) on sales	$ 350	$ (804)	$ 174	$ 7,998
Provision for unrealized losses	2,394	1,772	5,513	53,475
Operating expenses	962	1,845	3,695	8,130
Total foreclosed property expense	$ 3,706	$ 2,813	$ 9,382	$ 69,603

Earnings Per Share (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Earnings Per Share (Details) - USD ($) $ in Thousands	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Accrued dividends on preferred stock, including accretion of discounts
Total preferred stock dividends	$ 3,041	$ 3,019	$ 9,103	$ 8,813
Series A - 6% fixed [Member]
Accrued dividends on preferred stock, including accretion of discounts
Total preferred stock dividends	3	3	9	10
Series B - 5% fixed until December 6, 2013, 9% thereafter [Member]
Accrued dividends on preferred stock, including accretion of discounts
Total preferred stock dividends	2,619	2,598	7,841	7,798
Series D - LIBOR plus 9.6875%, resets quarterly [Member]
Accrued dividends on preferred stock, including accretion of discounts
Total preferred stock dividends	$ 419	$ 418	$ 1,253	$ 1,005

Earnings Per Share (Details 1) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Computation of basic and diluted loss per share
Net income (loss) available to common shareholders	$ 7,527	$ (14,358)	$ 19,492	$ (245,460)
Weighted average shares outstanding:
Basic	57,880	57,599	57,826	33,973
Effect of dilutive securities
Convertible securities
Stock options
Warrants
Diluted	57,880	57,599	57,826	33,973
Earnings (loss) per common share:
Basic	$ 0.13	$ (0.25)	$ 0.34	$ (7.23)
Diluted	$ 0.13	$ (0.25)	$ 0.34	$ (7.23)

Earnings Per Share (Details Textual) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012 USD ($) $ / shares $ / units shares	Sep. 30, 2011 USD ($)	Sep. 30, 2012 USD ($) $ / shares $ / units shares	Sep. 30, 2011 USD ($)	Feb. 22, 2011 $ / units
Class of Stock [Line Items]
Exercise of price warrants \| $ / units					12.50
Earnings Per Share (Textual) [Abstract]
Dilution from potentially dilutive securities \| $		$ 0		$ 0
Dilutive securities, outstanding	0		0
Fletcher International Ltd [Member]
Class of Stock [Line Items]
Exercise of price warrants \| $ / units	21.25		21.25
Shares issuable upon the exercise of warrants	1,411,765		1,411,765
Elm Ridge Parties [Member]
Class of Stock [Line Items]
Exercise of price warrants \| $ / units	12.50		12.50
Shares issuable upon exercise of grants			1,551,126
Series A - 6% fixed [Member]
Class of Stock [Line Items]
Fixed percentage of dividend rate on preferred stock			6.00%
Series B - 5% fixed until December 6, 2013, 9% thereafter [Member]
Class of Stock [Line Items]
Fixed percentage of dividend rate on preferred stock			5.00%
Future percentage of dividend rate on preferred stock			9.00%
Exercise of price warrants \| $ / units	61.40		61.40
Shares issuable upon the exercise of warrants	219,909		219,909
Series D - LIBOR plus 9.6875%, resets quarterly [Member]
Class of Stock [Line Items]
LIBOR variable percentage of dividend rate on preferred stock			9.6875%
Trust preferred securities [Member]
Class of Stock [Line Items]
United's Series B preferred stock issued	129,670		129,670
Exercise of price warrants \| $ / units	100		100
Employees [Member]
Class of Stock [Line Items]
Shares issuable upon exercise of grants			486,405
Weighted average exercise price of stock options granted to employees \| $ / shares	$ 97.80		$ 97.80
Restricted Stock [Member]
Class of Stock [Line Items]
Vesting of restricted stock awards	488,850		488,850
Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Shares issuable upon conversion of preferred stock	2,476,191		2,476,191
Convertible preferred stock \| $	$ 65,000		$ 65,000
Per shares convertible preferred stock \| $ / shares	$ 26.25		$ 26.25
Convertible Preferred Stock [Member] \| Fletcher International Ltd [Member]
Class of Stock [Line Items]
Exercise of price warrants \| $ / units	30.10		30.10
Number of common stock issuable upon exercise of warrants	1,162,791		1,162,791

Derivatives and Hedging Activities (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Other assets [Member]
Derivatives accounted for as hedges under ASC 815
Derivatives accounted for as hedges, Interest Rate Products, Balance Sheet Location	Other assets	Other assets	Other assets
Derivatives accounted for as hedges, Asset derivatives. Fair Value	$ 182
Derivatives not accounted for as hedges under ASC 815
Derivatives not accounted for as hedges, Interest Rate Products, Balance Sheet Location	Other assets	Other assets	Other assets
Derivatives not accounted for as hedges, Asset derivatives, Fair Value	$ 596
Other liabilities [Member]
Derivatives accounted for as hedges under ASC 815
Derivatives accounted for as hedges, Interest Rate Products, Balance Sheet Location	Other liabilities	Other liabilities	Other liabilities
Derivatives accounted for as hedges, Liability derivatives, Fair Value	$ 9,758		$ 422
Derivatives not accounted for as hedges under ASC 815
Derivatives not accounted for as hedges, Interest Rate Products, Balance Sheet Location	Other liabilities	Other liabilities	Other liabilities
Derivatives not accounted for as hedges, Asset derivatives, Fair Value
Derivatives not accounted for as hedges, Liability derivatives, Fair Value	$ 605

Derivatives and Hedging Activities (Details 1) - Fair Value Hedging [Member] - Other fee revenue [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Effect of fair value hedging derivative financial instruments on the consolidated statement of operations
Location of Gain (Loss) Recognized in Income on Derivative	Other fee revenue	Other fee revenue	Other fee revenue	Other fee revenue
Amount of Gain (Loss) Recognized in Income on Derivative	$ 922		$ 1,745
Amount of Gain (Loss) Recognized in Income on Hedged Item	$ (156)		$ (1,168)

- Definition

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References + Details

Derivatives and Hedging Activities (Details 2) - Cash Flow Hedging [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Effect of cash flow hedging derivative financial instruments on other comprehensive income
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income (Effective Portion)	$ 763	$ 2,948	$ 3,077	$ 12,572
Interest revenue [Member]
Effect of cash flow hedging derivative financial instruments on other comprehensive income
Location of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	Interest revenue	Interest revenue	Interest revenue	Interest revenue
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income (Effective Portion)	$ 649	$ 2,373	$ 2,839	$ 7,885
Other income [Member]
Effect of cash flow hedging derivative financial instruments on other comprehensive income
Location of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	Other income	Other income	Other income	Other income
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income (Effective Portion)	$ 114	$ 575	$ 238	$ 4,687
Interest rate products [Member]
Effect of cash flow hedging derivative financial instruments on other comprehensive income
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)	$ (3,943)		$ (8,798)

Derivatives and Hedging Activities (Details Textual)	3 Months Ended	9 Months Ended
Derivatives and Hedging Activities (Details Textual)	Sep. 30, 2012 USD ($) Contract	Sep. 30, 2012 USD ($) Contract	Sep. 30, 2011 Derivative_Instruments Hedges Contract	Dec. 31, 2011 Derivative_Instruments
Derivatives and Hedging Activities (Textual) [Abstract]
Aggregate notional amount designated as fair value hedges of interest rate risk	$ 122,000,000	$ 122,000,000
Number of active derivatives designated as fair value hedges \| Hedges			0
Total notional amount designated as cash flow hedges	400,000,000	400,000,000
Credit risk [Member]
Derivatives and Hedging Activities (Textual) [Abstract]
Collateral pledged toward derivatives	$ 11,100,000	$ 11,100,000
Fair value hedging [Member]
Derivatives and Hedging Activities (Textual) [Abstract]
Number of derivative contracts outstanding \| Contract	9	9	0
Recognized net gain (loss) related to ineffectiveness of the fair value hedging relationships	$ 766,000	$ 577,000
Cash flow hedging [Member]
Derivatives and Hedging Activities (Textual) [Abstract]
Number of derivative contracts outstanding \| Contract	5	5
Derivative instruments outstanding \| Derivative_Instruments			0	0
Estimated additional amount of deferred gains reclassified to interest revenue		$ 1,540,000
Other fee revenue [Member] \| Cash flow hedging [Member]
Derivatives and Hedging Activities (Textual) [Abstract]
Recognized net gain (loss) related to ineffectiveness of the fair value hedging relationships	$ 114,000	238,000
Interest expense [Member] \| Fair value hedging [Member]
Derivatives and Hedging Activities (Textual) [Abstract]
Net reduction of interest expense	$ 745,000	$ 1,570,000

Stock-Based Compensation (Details) - Stock option activity [Member]	9 Months Ended
	Sep. 30, 2012 USD ($) $ / shares shares
Summary of stock option activity
Options, Outstanding Shares, Beginning Balance \| shares	583,647
Options, Forfeited Shares \| shares	(2,562)
Options, Expired Shares \| shares	(94,680)
Options, Outstanding Shares, Ending Balance \| shares	486,405
Options, Exercisable Shares at September 30, 2012 \| shares	465,090
Options, Outstanding, Weighted-Average Exercise Price, Beginning Balance \| $ / shares	$ 94.48
Options, Forfeited, Weighted-Average Exercise Price \| $ / shares	47.63
Options, Expired, Weighted-Average Exercise Price \| $ / shares	78.73
Options, Outstanding, Weighted-Average Exercise Price, Ending Balance \| $ / shares	97.80
Options, Exercisable, Weighted-Average Exercise Price at September 30, 2012 \| $ / shares	$ 101.18
Options, Outstanding, Weighted-Average Remaining Contractual Term (Years)	3 years 9 months 18 days
Options, Exercisable, Weighted-Average Remaining Contractual Term (Years)	3 years 8 months 12 days
Options, Outstanding, Aggregate Intrinsic Value \| $
Options, Exercisable, Aggregate Intrinsic Value \| $

Stock-Based Compensation (Details 1)	9 Months Ended
Stock-Based Compensation (Details 1)	Sep. 30, 2012	Sep. 30, 2011
Stock-Based Compensation [Abstract]
Expected volatility		33.00%
Expected dividend yield		0.00%
Expected life (in years)		5 years
Risk-free rate		2.05%

Stock-Based Compensation (Details 2) - Restricted Stock [Member]	9 Months Ended
	Sep. 30, 2012 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested
Shares Outstanding, Beginning Balance \| shares	414,644
Shares, Granted \| shares	194,854
Shares, Exercised \| shares	(108,915)
Shares, Cancelled \| shares	(11,733)
Shares Outstanding, Ending Balance \| shares	488,850
Shares, Vested at September 30, 2012 \| shares	15,490
Weighted-Average Grant-Date Fair Value, Outstanding, Beginning of Period \| $ / shares	$ 12.19
Weighted-Average Grant-Date Fair Value, Granted \| $ / shares	8.73
Weighted-Average Grant-Date Fair Value, Exercised \| $ / shares	15.09
Weighted-Average Grant-Date Fair Value, Cancelled \| $ / shares	10.25
Weighted-Average Grant-Date Fair Value, Outstanding, End of Period \| $ / shares	10.72
Weighted-Average Grant-Date Fair Value, Vested at September 30, 2012 \| $ / shares	$ 35.62

Stock-Based Compensation (Details Textual) - USD ($)	9 Months Ended
Stock-Based Compensation (Details Textual) - USD ($)	Sep. 30, 2012	Sep. 30, 2011
Stock-based Compensation (Textual) [Abstract]
General terms of plan vesting period	4 years
Award granted under stock-based compensation plan	1,203,000
Stock option granted	0	0
Stock option compensation expense	$ 190,000	$ 651,000
Deferred tax benefits	$ 74,000	$ 253,000
Forfeiture rate for option	3.00%
Stock option exercised	0	0
Restricted stock awards compensation expense	$ 1,180,000	$ 779,000
Intrinsic value of restricted stock	4,100,000
Unrecognized compensation cost related to non-vested and restricted stock awards	$ 4,010,000
Non-vested stock option and restricted stock award, compensation cost not yet recognized, period for recognition	2 years 1 month 21 days
Fair value of options and restricted stock awards	$ 2,470,000
Maximum [Member]
Stock-based Compensation (Textual) [Abstract]
General terms of plan vesting period	10 years

Common and Preferred Stock Issued / Common Stock Issuable (Details)	1 Months Ended	9 Months Ended
	Feb. 22, 2011 $ / units shares	Sep. 30, 2012 USD ($) shares	Sep. 30, 2011 USD ($) shares
Common and Preferred Stock Issued / Common Stock Issuable (Textual) [Abstract]
Rate of discount to eligible employees under employee stock purchase program		5.00%
Share issued under employee stock purchase program		87,086	113,787
Increased capital due to share issued under these programs \| $		$ 702,000	$ 1,100,000
Shares issuable under deferred compensation plan		129,270	88,501
Transfer of common shares under share exchange agreement	1,551,126
Transfer of shares in exchange of perpetual preferred stock	16,613
Exercise price of warrants owned \| $ / units	12.50
Warrants expiration date		Aug. 22, 2013

Assets and Liabilities Measured at Fair Value (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Assets
Assets, fair value	$ 1,765,844	$ 1,792,906	$ 1,771,742
Liabilities
Liabilities, fair value	135,646	16,388	2,659
U.S. Government agencies [Member]
Assets
Assets, fair value		43,750	33,706
State and political subdivisions [Member]
Assets
Assets, fair value	28,878	26,339	26,831
Mortgage-backed securities [Member]
Assets
Assets, fair value	1,382,940	1,609,909	1,595,400
Corporate bonds [Member]
Assets
Assets, fair value	143,152	107,678	110,642
Asset-backed securities [Member]
Assets
Assets, fair value	204,429
Other [Member]
Assets
Assets, fair value	2,595	2,371	2,504
Deferred compensation plan assets [Member]
Assets
Assets, fair value	3,072	2,859	2,659
Derivative financial instruments [Member]
Assets
Assets, fair value	78
Deferred compensation plan liability [Member]
Liabilities
Liabilities, fair value	3,072	2,859	2,659
Brokered certificates of deposit [Member]
Liabilities
Liabilities, fair value	122,211	13,107
Derivative financial instruments [Member]
Liabilities
Liabilities, fair value	10,363	422
Level 1 [Member]
Assets
Assets, fair value	3,072	2,859	2,659
Liabilities
Liabilities, fair value	3,072	2,859	2,659
Level 1 [Member] \| State and political subdivisions [Member]
Assets
Assets, fair value
Level 1 [Member] \| Mortgage-backed securities [Member]
Assets
Assets, fair value
Level 1 [Member] \| Corporate bonds [Member]
Assets
Assets, fair value
Level 1 [Member] \| Asset-backed securities [Member]
Assets
Assets, fair value
Level 1 [Member] \| Other [Member]
Assets
Assets, fair value
Level 1 [Member] \| Deferred compensation plan assets [Member]
Assets
Assets, fair value	3,072	2,859	2,659
Level 1 [Member] \| Derivative financial instruments [Member]
Assets
Assets, fair value
Level 1 [Member] \| Deferred compensation plan liability [Member]
Liabilities
Liabilities, fair value	3,072	2,859	2,659
Level 1 [Member] \| Brokered certificates of deposit [Member]
Liabilities
Liabilities, fair value
Level 1 [Member] \| Derivative financial instruments [Member]
Liabilities
Liabilities, fair value
Level 2 [Member]
Assets
Assets, fair value	1,762,422	1,789,697	1,764,937
Liabilities
Liabilities, fair value	132,574	13,529
Level 2 [Member] \| U.S. Government agencies [Member]
Assets
Assets, fair value		43,750	33,706
Level 2 [Member] \| State and political subdivisions [Member]
Assets
Assets, fair value	28,878	26,339	26,831
Level 2 [Member] \| Mortgage-backed securities [Member]
Assets
Assets, fair value	1,382,940	1,609,909	1,591,604
Level 2 [Member] \| Corporate bonds [Member]
Assets
Assets, fair value	142,802	107,328	110,292
Level 2 [Member] \| Asset-backed securities [Member]
Assets
Assets, fair value	204,429
Level 2 [Member] \| Other [Member]
Assets
Assets, fair value	2,595	2,371	2,504
Level 2 [Member] \| Deferred compensation plan assets [Member]
Assets
Assets, fair value
Level 2 [Member] \| Derivative financial instruments [Member]
Assets
Assets, fair value	778
Level 2 [Member] \| Deferred compensation plan liability [Member]
Liabilities
Liabilities, fair value
Level 2 [Member] \| Brokered certificates of deposit [Member]
Liabilities
Liabilities, fair value	122,211	13,107
Level 2 [Member] \| Derivative financial instruments [Member]
Liabilities
Liabilities, fair value	10,363	422
Level 3 [Member]
Assets
Assets, fair value	350	350	4,146
Liabilities
Liabilities, fair value
Level 3 [Member] \| State and political subdivisions [Member]
Assets
Assets, fair value
Level 3 [Member] \| Mortgage-backed securities [Member]
Assets
Assets, fair value			3,796
Level 3 [Member] \| Corporate bonds [Member]
Assets
Assets, fair value	350	350	350
Level 3 [Member] \| Asset-backed securities [Member]
Assets
Assets, fair value
Level 3 [Member] \| Other [Member]
Assets
Assets, fair value
Level 3 [Member] \| Deferred compensation plan assets [Member]
Assets
Assets, fair value
Level 3 [Member] \| Derivative financial instruments [Member]
Assets
Assets, fair value
Level 3 [Member] \| Deferred compensation plan liability [Member]
Liabilities
Liabilities, fair value
Level 3 [Member] \| Brokered certificates of deposit [Member]
Liabilities
Liabilities, fair value
Level 3 [Member] \| Derivative financial instruments [Member]
Liabilities
Liabilities, fair value

Assets and Liabilities Measured at Fair Value (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Assets measured at fair value on recurring basis using significant unobservable inputs
Balance at beginning of period	$ 350	$ 4,479	$ 350	$ 5,284
Amounts included in earnings		(5)		(18)
Pay downs		(328)		(1,120)
Balance at end of period	$ 350	$ 4,146	$ 350	$ 4,146

Assets and Liabilities Measured at Fair Value (Details 2) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Presentation of United's assets and liabilities measured at fair value on nonrecurring basis
Loans	$ 172,909	$ 133,828	$ 140,577
Foreclosed properties	20,369	29,102	38,823
Total	193,278	162,930	179,400
Level 1 [Member]
Presentation of United's assets and liabilities measured at fair value on nonrecurring basis
Loans
Foreclosed properties
Total
Level 2 [Member]
Presentation of United's assets and liabilities measured at fair value on nonrecurring basis
Loans
Foreclosed properties
Total
Level 3 [Member]
Presentation of United's assets and liabilities measured at fair value on nonrecurring basis
Loans	172,909	133,828	140,577
Foreclosed properties	20,369	29,102	38,823
Total	$ 193,278	$ 162,930	$ 179,400

Assets and Liabilities Measured at Fair Value (Details 3) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Assets:
Securities held to maturity, Carrying Amount	$ 262,648	$ 330,203	$ 353,739
Securities held to maturity, Fair Value	281,336	343,531	369,020
Loans, net, Carrying Amount	4,030,203	3,995,146	3,963,783
Loans, net, Fair Value	3,954,607	3,800,343	3,787,214
Liabilities:
Deposits, Carrying Amount	5,822,699	6,097,983	6,005,305
Deposits, Fair Value	5,848,540	6,093,772	5,998,994
Federal Home Loan Bank advances, Carrying Amount	50,125	40,625	40,625
Federal Home Loan Bank advances, Fair Value	50,125	43,236	43,685
Long-term debt, Carrying Amount	120,285	120,225	120,206
Long-term debt, Fair Value	113,624	$ 115,327	$ 114,673
Level 1 [Member]
Assets:
Securities held to maturity, Fair Value
Loans, net, Fair Value
Liabilities:
Deposits, Fair Value
Federal Home Loan Bank advances, Fair Value
Long-term debt, Fair Value
Level 2 [Member]
Assets:
Securities held to maturity, Fair Value	281,336
Loans, net, Fair Value
Liabilities:
Deposits, Fair Value	5,848,540
Federal Home Loan Bank advances, Fair Value	50,125
Long-term debt, Fair Value
Level 3 [Member]
Assets:
Securities held to maturity, Fair Value
Loans, net, Fair Value	3,954,607
Liabilities:
Deposits, Fair Value
Federal Home Loan Bank advances, Fair Value
Long-term debt, Fair Value	$ 113,624

Assets and Liabilities Measured at Fair Value (Details Textual)	9 Months Ended
	Sep. 30, 2012
Assets and Liabilities Measured at Fair Value (Textual) [Abstract]
Maximum remaining maturity of financial instruments having no defined maturity	180 days

Reclassification (Details)	1 Months Ended
Reclassification (Details)	Jun. 17, 2011 shares
Reclassification (Textual) [Abstract]
Reserve stock split ratio, or recombination	1-for-5
Number of common stock shares reclassified into one share of common stock	5
Non-voting common stock [Member]
Reclassification (Textual) [Abstract]
Number of common stock shares reclassified into one share of common stock	5