Investments in LIHTC: Amount of future funding commitments included in carrying amount Investment Program, Proportional Amortization Method, Elected, Commitment Restricted Stock Unit Awards Restricted Stock Units [Abstract] Restricted Stock Units Estimated Aggregate Amortization Expense For Future Periods Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Vested / Exercisable (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other than Options Exercisable Weighted Average Grant Date Fair Value This element represents share based compensation arrangement by share based payment award equity instruments other than options exercisable weighted average grant date fair value. Cover [Abstract] Cover [Abstract] Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Mortgage banking - loan commitments Mortgage Banking Loan Commitment [Member] Represents information of mortgage banking - loan commitment. Gains from sales of other loans Gain (Loss) on Sales of Loans, Net Discount rate Measurement Input, Discount Rate [Member] Allowance for credit losses, AFS portfolio Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Short-term borrowings Interest Expense, Other Short-Term Borrowings Gain (loss) recognized on hedged items Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Trading Symbol Trading Symbol Fair Value Hedging Fair Value Hedging [Member] Pledged Status [Domain] Pledged Status [Domain] Total gross derivative instruments Derivative Asset, Subject to Master Netting Arrangement, before Offset Non-NEOs Non-NEOs [Member] Income tax benefit related to expense for share-based awards Share-Based Payment Arrangement, Expense, Tax Benefit Common stock dividends (in dollars per share) Common Stock, Dividends, Per Share, Declared Fair value hedge Fair Value Hedge Assets Disposal Group Name [Domain] Disposal Group Name [Domain] Decrease in the weighted average interest rate Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification Service charges and other related fees Noninterest Income, Other Net cash flow hedge activity, Tax (Expense) Benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Hedging Relationship [Domain] Hedging Relationship [Domain] Assets and Liabilities Measured at Fair Value Fair Value Disclosures [Text Block] Unrealized holding (losses) gains, Net of Tax Amount OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Award Timing Disclosures [Line Items] Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Investment, Name [Domain] Investment, Name [Domain] Amount of Gain (Loss) Recognized in Income on Derivatives Derivative, Gain (Loss) on Derivative, Net Schedule of Balance and Activity in the ACL by Portfolio Segment Financing Receivable, Allowance for Credit Loss [Table Text Block] Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Debt Securities, Held-to-maturity [Table] Debt Securities, Held-to-Maturity [Table] Net interest revenue Interest Income (Expense), Operating Total capital, Minimum Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum Fair value hedge basis adjustment Hedge Accounting Basis Adjustment Hedged Asset, Fair Value Hedge, Portfolio Layer Method, Hedged Layer, Fair Value, Cumulative Increase (Decrease), Excluded from Amortized Cost Securities Debt Securities, Available-for-Sale and Held-to-Maturity, after Allowance for Credit Loss Wealth management fees Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions Pledged Status [Axis] Pledged Status [Axis] Average total assets for the leverage ratio Regulatory Asset Intangibles subject to amortization, gross Finite-Lived Intangible Assets, Gross Originated five or more years prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Fair value hedges: Effect of Fair Value Hedges on Results of Operations [Abstract] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Amortized Cost Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Receivable Type [Axis] Receivable Type [Axis] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Award Timing Method Award Timing Method [Text Block] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Liabilities assumed Noncash or Part Noncash Acquisition, Value of Liabilities Assumed Measurement Frequency [Axis] Measurement Frequency [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Insider Trading Policies and Procedures [Line Items] State and political subdivisions US States and Political Subdivisions Debt Securities [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Compensation Amount Outstanding Recovery Compensation Amount Payment Delay Payment Deferral [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Entity Small Business Entity Small Business Company Selected Measure Amount Company Selected Measure Amount Revolvers converted to term loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan Tabular List, Table Tabular List [Table Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Potentially dilutive instruments outstanding not included in EPS analysis (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Revolvers Financing Receivable, Excluding Accrued Interest, Revolving Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Mortgage banking - forward sales commitment Mortgage Banking Forward Sales Commitment [Member] Represents mortgage banking - forward sales commitment. Assets: Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Proceeds from other investments Proceeds from Sale of Other Investments Other comprehensive income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Residential Residential Portfolio Segment [Member] Schedule of Presentation of Assets Measured at Fair Value on Nonrecurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Interest-bearing deposits Interest-Bearing Deposit Liabilities Stock options Share-Based Payment Arrangement, Option [Member] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Debt Securities, Available For Sale And Held To Maturity [Line Items] Debt Securities, Available For Sale And Held To Maturity [Line Items] Debt Securities, Available For Sale And Held To Maturity [Line Items] Amortization of unrealized losses, Tax (Expense) Benefit Other Comprehensive Income, Amortization Of Unrealized Gain (Loss), Available For Sale To Held To Maturity, Tax Other Comprehensive Income, Amortization Of Unrealized Gain (Loss), Available For Sale To Held To Maturity, Tax Comprehensive income, Net of Tax Amount Comprehensive Income (Loss), Net of Tax, Attributable to Parent Economic hedge, not designated as hedging instrument Not Designated as Hedging Instrument, Economic Hedge [Member] Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Schedule of Amortized Cost and Fair Value of AFS and HTM Securities by Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Award Type [Axis] Award Type [Axis] Corporate bonds Corporate Bonds Corporate Debt Securities [Member] Net income per common share: Earnings Per Share, Basic [Abstract] Nonaccrual loans Nonaccrual Status [Abstract] Fair value adjustments included in OCI Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Residential MBS, Agency & GSEs Residential Mortgage-Backed Securities, Issued By US Government Sponsored Enterprises [Member] Debt securities collateralized by residential real estate mortgage loans (mortgages), issued by US Government Sponsored Enterprises, such as Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac). Acquisitions: Noncash or Part Noncash Acquisitions [Abstract] Noncash or Part Noncash Acquisitions Premises and equipment, net Property, Plant and Equipment, Net Total liabilities Liabilities Liabilities Vested / Exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Extension Extension [Member] Extension Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Fair Value, Less than 12 Months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value Expiration Date Trading Arrangement Expiration Date Sales and settlements Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales And Settlements Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales And Settlements Derivative assets Derivative Financial Instruments, Assets [Member] Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Other Noninterest Income, Other Operating Income Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Goodwill and other intangible assets Intangible Assets, Net (Including Goodwill) [Abstract] Total Shareholder Return Amount Total Shareholder Return Amount Preferred stock, liquidation preference (in dollars per share) Preferred Stock, Liquidation Preference, Value Cash and due from banks Cash and Due from Banks Earnings allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Commitments to fund other investments Commitments To Fund Other Investments Commitments To Fund Other Investments 2027 Sales-Type and Direct Financing Leases, Payment to be Received, Year Three Gross realized gains Debt Securities, Available-for-Sale, Realized Gain Other assets, fair value Other Assets, Fair Value Disclosure Released / Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period HTM, Fair Value Debt Securities, Held-to-Maturity, Fair Value, Rolling Maturity [Abstract] Unrealized holding gains (losses) on derivatives, Before-tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Weighted- Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Other assets (including $116,423 and $111,879 at fair value, respectively) Other Assets Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Schedule of HTM Debt Securities in an Unrealized Loss Position Unrealized Gain Loss On Held To Maturity Securities [Table Text Block] Unrealized gain loss on held to maturity securities. Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Net unrealized (losses) gains, Net of Tax Amount OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Diluted (in shares) Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Salaries and employee benefits expense Salaries And Employee Benefit Expense [Member] Salaries And Employee Benefit Expense Schedule of Fair Value, Off-balance Sheet Risks [Table] Fair Value, off-Balance-Sheet Risk [Table] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Initial direct costs Sales Type And Direct Financing Leases, Initial Direct Costs Sales Type And Direct Financing Leases, Initial Direct Costs Total shareholders' equity Beginning balance Ending balance Equity, Attributable to Parent Other financing outflows Payments For Other Financing Activities Payments For Other Financing Activities Business combinations Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Business Combination And Provisional Adjustment Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Business Combination And Provisional Adjustment Originated in current fiscal year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Schedule of Changes in the Carrying Amounts of Goodwill Schedule of Goodwill [Table Text Block] AFS, Amortized Cost, Not due at single maturity Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Document Fiscal Period Focus Document Fiscal Period Focus Merger-related and other charges Merger-related and other charges Business Combination, Acquisition Related Costs All Executive Categories All Executive Categories [Member] Restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Balance Sheet Location [Domain] Statement of Financial Position Location, Balance [Domain] Realized losses on AFS securities: AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Two Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Outstanding, Weighted Average Remaining Term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term ASSETS Assets [Abstract] CET1 capital, Well-Capitalized Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Document Type Document Type Derivative Contract [Domain] Derivative Contract [Domain] Total ACL, Charge-Offs Financing Receivable Allowance For Credit Loss And Off-Balance Sheet Credit Loss Liability, Writeoff Financing Receivable Allowance For Credit Loss And Off-Balance Sheet Credit Loss Liability, Writeoff Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] HTM, Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity [Abstract] Vested / Exercisable, Weighted Average Remaining Term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Net Investment in Leases Net Investment in Lease, before Allowance for Credit Loss [Abstract] Actual net income included since acquisition date Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Depreciation, amortization and accretion, net Depreciation, Amortization and Accretion, Net Loans Past Due, 60 - 89 Days Financial Asset, 60 to 89 Days Past Due [Member] Servicing rights for SBA/USDA loans, measurement input Servicing Asset, Measurement Input Maximum Maximum [Member] AFS debt securities: Debt Securities, Available-for-Sale [Abstract] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Accumulated impairment losses on goodwill Goodwill, Impaired, Accumulated Impairment Loss Total intangible assets subject to amortization Finite-lived intangible assets, net Finite-Lived Intangible Assets, Net Debt securities held-to-maturity (fair value $2,004,427 and $2,095,620, respectively) Debt Securities, Held-to-Maturity, Excluding Accrued Interest Debt Securities, Held-to-Maturity, Excluding Accrued Interest Residential mortgage servicing rights Residential Mortgage Servicing Rights [Member] Residential Mortgage Servicing Rights [Member] Bifurcated embedded derivatives and dealer offsets Bifurcated Embedded Derivatives And Dealer Offsets [Member] Bifurcated embedded derivatives and dealer offsets. Statistical Measurement [Axis] Statistical Measurement [Axis] Hedged Portfolio Layer Hedged Asset, Fair Value Hedge, Portfolio Layer Method, Hedged Layer, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income taxes Net income, Before-tax Amount Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Cash flow hedges of trust preferred securities Trust Preferred Securities Hedge [Member] Trust Preferred Securities Hedge Name Outstanding Recovery, Individual Name FinTrust goodwill write-down Goodwill write-down FinTrust goodwill write-down Goodwill, Impairment Loss Outstanding principal balance Mortgage Loans Held For Sale Outstanding Principal Balance Represents mortgage loans held for sale quantified by principal amount, the principle balance held at close of period. Title of Individual [Axis] Title and Position [Axis] Accrued expenses and other liabilities (including $101,645 and $97,649 at fair value, respectively) Accrued Liabilities and Other Liabilities Award Timing Predetermined Award Timing Predetermined [Flag] Schedule of Minimum Future Lease Payments Expected to be Received from Equipment Financing Lease Contracts Sales-Type and Direct Financing Leases, Payment to be Received, Maturity [Table Text Block] Cash dividends on common stock Payments of Ordinary Dividends, Common Stock HTM, Amortized Cost, Within 1 year Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Investment, Name [Axis] Investment, Name [Axis] Customer relationship intangible Customer Relationships [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Goodwill, period increase Measurement period adjustment - First Miami Goodwill, Period Increase (Decrease) Schedule of Estimated Aggregate Amortization Expense for Future Periods Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Preferred stock, issued (in shares) Preferred Stock, Shares Issued Comprehensive income, Tax (Expense) Benefit Comprehensive Income Loss Tax Represents amount of comprehensive income loss tax. Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Carrying Amount Financial Asset, Closed Portfolio, Portfolio Layer Method, Amortized Cost Asset-backed securities Asset-Backed Securities [Member] Deposits: Deposits [Abstract] FinTrust net assets held for sale Disposal Group, Assets Held For Sale, After Nonrecurring Fair Value Adjustment, Carrying Value Disposal Group, Assets Held For Sale, After Nonrecurring Fair Value Adjustment, Carrying Value Fair value adjustments included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Cash flow hedge Interest Rate Cash Flow Hedge Asset at Fair Value Proceeds from sales of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Income tax expense Net income, Tax (Expense) Benefit Income tax expense Income Tax Expense (Benefit) Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Financial instruments whose contract amounts represent credit risk: Unused Commitments to Extend Credit Notional Amount Derivative, Notional Amount AFS, Fair Value, More than 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Derivative financial instruments Derivative Asset Recognition period for unrecognized compensation expense (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Decrease in other liabilities Increase (Decrease) in Other Noncurrent Liabilities Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Current period gross charge-offs, in prior year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Interest expense: Interest Expense, Operating and Nonoperating [Abstract] Schedule of Amortized Cost Basis, Unrealized Gains and Losses and Fair Value of HTM Debt Securities Debt Securities, Held-to-Maturity [Table Text Block] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Total interest expense Interest Expense, Operating and Nonoperating Deposits Deposits, Fair Value Disclosure Business Acquisition [Line Items] Business Acquisition [Line Items] Progress Progress Bank & Trust [Member] Progress Bank & Trust All Adjustments to Compensation All Adjustments to Compensation [Member] Schedule of Equity Method Investments Equity Method Investments [Table Text Block] Core deposit intangible Core Deposits [Member] Capital surplus Additional Paid in Capital Number of HTM debt securities in unrealized loss position Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Mortgage Loans Held for Sale Mortgage Loans Held For Sale [Abstract] Mortgage Loans Held For Sale Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Financial instruments whose contract amounts represent credit risk: Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Minimum future lease payments expected to be received Sales-Type and Direct Financing Leases, Payment to be Received, Fiscal Year Maturity [Abstract] Nonrecurring Adjustment [Axis] Nonrecurring Adjustment [Axis] Investment securities, including tax exempt of $1,699, $1,731, $3,420 and $3,841, respectively Interest and Dividend Income, Securities, Operating Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Reclassifications related to derivative instruments accounted for as cash flow hedges: Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Entity Address, State or Province Entity Address, State or Province Security deposits Sales Type And Direct Financing Leases, Security Deposits Sales Type And Direct Financing Leases, Security Deposits Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Originated three years prior Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Comprehensive income, Before-tax Amount Comprehensive Income Loss Before Tax Represents amount of comprehensive income (loss) before tax. Cash flow hedge of subordinated debt Interest Rate Contract. Subordinated Debt [Member] Interest Rate Contract. Subordinated Debt Impact of other United sponsored equity plans (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan, Employee Benefit Plans, And Deferred Compensation Stock Issued During Period, Shares, Dividend Reinvestment Plan, Employee Benefit Plans, And Deferred Compensation Financial Instruments [Domain] Financial Instruments [Domain] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Outstanding, beginning balance (in dollars per share) Outstanding, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current period gross charge-offs, five or more years prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Pledging Purpose [Axis] Pledging Purpose [Axis] Commercial construction Construction Loans [Member] Unrealized Loss, 12 Months or More Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Restatement Determination Date Restatement Determination Date Fair Value Estimate of Fair Value Measurement [Member] Equipment financing Equipment financing receivables Equipment Financing [Member] Represents information related to equipment financing. Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Advertising and public relations Marketing and Advertising Expense Beginning balance, outstanding (in dollars per share) Ending balance, outstanding (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Derivative Instruments [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Beginning balance, outstanding (in shares) Ending balance, outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Service charges and fees Deposit Account [Member] Prior service cost Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Earnings Per Share Earnings Per Share [Text Block] Preferred stock dividends Dividends, Preferred Stock Unrealized holding gains (losses) on derivatives, Net of Tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Supranational entities Other Debt Obligations [Member] Interest revenue: Interest and Dividend Income, Operating [Abstract] Provision for credit losses Provision for credit losses Total ACL, (Release) Provision Provision for Loan, Lease, and Other Losses Rate Reduction and Payment Delay Rate Reduction And Payment Delay [Member] Rate Reduction And Payment Delay Mortgage loan gains and other related fees Fair Value, Option, Changes in Fair Value, Gain (Loss) PEO PEO [Member] ACL- loans, Initial ACL - PCD loans Financing Receivable, Excluding Accrued Interest, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date Name Trading Arrangement, Individual Name Deposits Interest Expense, Deposits Debt securities held-to-maturity: Debt Securities Held To Maturity [Abstract] Debt Securities Held To Maturity [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Other Other Noninterest Expense Disposal Group Name [Axis] Disposal Group Name [Axis] Derivatives not designated as hedging instruments Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value Residential Mortgage and Manufactured Housing Residential Mortgage And Manufactured Housing [Member] Residential Mortgage And Manufactured Housing Loans, including fees Interest and Fee Income, Loans and Leases Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Payment deferral period Financing Receivable, Modified, Payment Deferral, Weighted Average Period Financing Receivable, Modified, Payment Deferral, Weighted Average Period Customer derivatives and dealer offsets Customer Derivatives And Dealer Offsets [Member] Information of Customer Derivatives And Dealer Offsets. AFS, Fair Value, 1 to 5 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Local Phone Number Local Phone Number Lending and loan servicing expense Loan Portfolio Expense Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] ACL - loans, (Release) Provision Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Revolvers converted to term loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Originated four years prior Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Schedule of Contractual Amount of Off-balance Sheet Instruments Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Liabilities: Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Interest Revenue Interest Income [Member] Occupancy Occupancy, Net Total gross derivative instruments Derivative Liability, Subject to Master Netting Arrangement, before Offset Schedule of Fair Value Hedging Instruments, Carrying Value and Basis Adjustments Schedule Of Fair Value Hedging Instruments, Carrying Value And Basis Adjustments [Table Text Block] Schedule Of Fair Value Hedging Instruments, Carrying Value And Basis Adjustments Restricted stock units and performance stock units Restricted Stock Units RSU And Performance Stock Units [Member] Restricted Stock Units RSU And Performance Stock Units Debt securities available-for-sale Fair Value Fair Value Debt Securities, Available-for-Sale, Excluding Accrued Interest Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Total other comprehensive (loss) income, Before-tax Amount Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Total capital Banking Regulation, Total Risk-Based Capital Ratio, Actual Loans held for sale Increase (Decrease) in Loan, Held-for-Sale U.S. Government agencies & GSEs US Government-sponsored Enterprises Debt Securities [Member] Common stock, par value $1 per share Common Stock Common Stock [Member] AFS, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Rolling Maturity [Abstract] Total capital Banking Regulation, Total Capital, Actual Schedule of Tax Credit and Certain Equity Method Investments Schedule Of Tax Credit and Certain Equity Method Investments [Table Text Block] Schedule Of Tax Credit and Certain Equity Method Investments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Reconciliation of Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Amortization of unrealized losses on held-to-maturity securities transferred from available-for-sale, Tax (Expense) Benefit OCI, Debt Securities, Available-For-Sale, Transfer To Held-To-Maturity, Adjustment From AOCI For Amortization Of Unrealized Gain (Loss), Tax OCI, Debt Securities, Available-For-Sale, Transfer To Held-To-Maturity, Adjustment From AOCI For Amortization Of Unrealized Gain (Loss), Tax Total ACL, Beginning Balance Total ACL, Ending Balance Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest And Off-Balance Sheet Credit Loss Liability Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest And Off-Balance Sheet Credit Loss Liability Derivatives designated as hedging instruments Derivative Instruments in Hedges, Assets, at Fair Value Entity Central Index Key Entity Central Index Key ACL Financing Receivable, Allowance for Credit Loss [Roll Forward] ACL - 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Pass Pass [Member] Additional awards remaining available under plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Accrued interest receivable Accrued interest receivable Interest Receivable Cash flow hedging Cash Flow Hedging [Member] Gross realized losses Debt Securities, Available-for-Sale, Realized Loss Investments in LIHTC: Investments In LIHTC [Member] Investments In LIHTC Nonrecurring Adjustment [Domain] Nonrecurring Adjustment [Domain] Entity Tax Identification Number Entity Tax Identification Number Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Loans and Leases and Allowance for Credit Losses Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Customer derivative positions Customer Swap Position [Member] Represents the customer swap positions. 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U.S. Treasuries US Treasury Securities [Member] AFS Fair value hedges of AFS debt securities Debt Securities, Available-For-Sale [Member] Debt Securities, Available-For-Sale Equity Components [Axis] Equity Components [Axis] Supplemental consolidated pro forma net income Business Acquisition, Pro Forma Net Income (Loss) Servicing rights for SBA/USDA loans Servicing Asset at Fair Value, Amount Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Receivable [Domain] Receivable [Domain] Outstanding, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Measurement period (in year) Business Acquisition, Measurement Period Business Acquisition, Measurement Period Significant non-cash investing and financing transactions: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Extension from modification Financing Receivable, Modified, Extension From Modification Financing Receivable, Modified, Extension From Modification Proceeds from maturities and calls Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Employees Employee [Member] Employee Net cash flow hedge activity, Before-tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Weighted Average Weighted Average [Member] Remainder of 2024 Sales-Type and Direct Financing Leases, Payment to be Received, Remainder of Fiscal Year Residential mortgage Residential Mortgage [Member] Less: Cash collateral received/pledged Derivative Liability, Fair Value of Collateral Purchases of preferred stock Stock Repurchased During Period, Value Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Other liabilities Other Liabilities [Member] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Pledged securities Asset Pledged as Collateral [Member] Commercial MBS, Agency & GSEs Commercial Mortgage-Backed Securities, Issued By US Government Sponsored Enterprises [Member] Debt securities collateralized by commercial real estate mortgage loans (mortgages), issued by US Government Sponsored Enterprises, such as Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac). Fair Value, Total Debt Securities, Available-for-Sale, Unrealized Loss Position Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Revolvers Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Equity securities with readily determinable fair values Equity Securities, FV-NI, Current Derivative instruments designated as cash flow hedges: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Schedule of Held-to-maturity Securities [Line Items] Schedule of Held-to-Maturity Securities [Line Items] Gain recognized on derivative Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments 2026 Sales-Type and Direct Financing Leases, Payment to be Received, Year Two Loans receivable Loans Receivable [Member] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Residential mortgage servicing rights Residential Mortgage Servicing Asset At Fair Value, Amount Residential Mortgage Servicing Asset At Fair Value, Amount Product and Service [Domain] Product and Service [Domain] Investments in LIHTC: Lending exposure Lending Exposure Lending Exposure Derivative liabilities Derivative Liabilities Derivative Financial Instruments, Liabilities [Member] Released / Exercised (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Goodwill [Roll Forward] Goodwill [Roll Forward] Number of derivative contracts Number of Interest Rate Derivatives Held Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Net amount Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Dealer offsets to bifurcated embedded derivatives Dealer Offsets To Bifurcated Embedded Derivatives [Member] Represents the dealer offsets to bifurcated embedded derivatives. Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Security Exchange Name Security Exchange Name Unrealized holding (losses) gains, Before-tax Amount OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Manufactured housing Manufactured Housing Loan [Member] Manufactured Housing Loan Reclassifications Out of AOCI Reclassification out of Accumulated Other Comprehensive Income [Member] Released / Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Regulatory Matters Regulatory Capital Requirements under Banking Regulations [Text Block] Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Salaries and employee benefits Salaries and employee benefits expense Labor and Related Expense Summary of AFS debt securities in an unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Unrealized Loss, Less than 12 Months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Amount of future funding commitments Other Commitment Schedule of Amortized Cost Basis, Unrealized Gains and Losses and Fair Value of AFS Debt Securities Debt Securities, Available-for-Sale [Table Text Block] Proceeds from FHLB advances Proceeds from FHLBank Borrowings, Financing Activities Securities losses, net Realized Investment Gains (Losses) Nonrecurring Fair Value, Nonrecurring [Member] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Total other comprehensive (loss) income, Tax (Expense) Benefit Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Common stock, issued (in shares) Common Stock, Shares, Issued Other assets Other Assets [Member] Mortgage banking derivatives Mortgage Banking Derivatives [Member] Information of Mortgage banking derivatives. Unrealized Loss, Total Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Current period gross charge-offs, two years prior Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Amortization of unrealized losses, Net of Tax Amount Other Comprehensive Income, Amortization Of Unrealized Gain (Loss), Available For Sale To Held To Maturity, After Tax Other Comprehensive Income, Amortization Of Unrealized Gain (Loss), Available For Sale To Held To Maturity, After Tax Derivative financial instruments Derivative Liability Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Commitments to extend credit Commitments to Extend Credit [Member] Common stock, authorized (in shares) Common Stock, Shares Authorized Net cash received in acquisition Payments to Acquire Businesses, Net of Cash Acquired Transfers from Level 2 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Remainder of 2024 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Schedule of Significant Non-cash Investing and Financing Activities Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Estimated residual value of leased equipment Sales Type And Direct Financing Leases, Unguaranteed Residual Asset Sales Type And Direct Financing Leases, Unguaranteed Residual Asset Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Deferred income tax expense Deferred Income Tax Expense (Benefit) Gains on derivative instruments realized in net income, Before-tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Extension Extension1 [Member] Extension1 Other financing inflows Proceeds From Other Financing Activities Proceeds From Other Financing Activities Total other comprehensive (loss) income, Net of Tax Amount Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Recurring Fair Value, Recurring [Member] Entity Listings [Table] Entity Listings [Table] Financing receivable, modified, weighted average extension term granted Financing Receivable, Modified, Weighted Average Extension Term Granted Financing Receivable, Modified, Weighted Average Extension Term Granted Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Fair Value, 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Unrealized holding gains (losses) on derivatives, Tax (Expense) Benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Long-term debt Long-Term Debt Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Net investment in leases Net investment in leases Net Investment in Lease, before Allowance for Credit Loss Debt securities available-for-sale: Debt Securities Available-For-Sale And Equity Securities [Abstract] Debt Securities Available-For-Sale And Equity Securities [Abstract] Total loans excluding fair value hedge basis adjustment Total loans excluding fair value hedge basis adjustment Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss SBA/USDA loan servicing rights SBA Servicing Rights [Member] Represents SBA servicing rights. Net income recognized on AFS securities fair value hedges Gain (Loss) on Derivative Instruments, Net, Pretax ACL loans Financing Receivable, Repayment through Operation or Sale of Collateral, Amortized Cost Financing Receivable, Repayment through Operation or Sale of Collateral, Amortized Cost Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Schedule of AFS Securities Sales Activity Schedule of Realized Gain (Loss) [Table Text Block] Fair value hedges of loans Interest revenue - loans, including fees Loans [Member] Released / Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Long-term debt Long-term debt interest expense Interest Expense, Long-Term Debt Deferred compensation plan assets Deferred Compensation Plan Assets Income producing CRE Income producing CRE Income Producing Commercial Real Estate [Member] Property that represents income producing commercial real estate. Amortization of intangibles Amortization of Intangible Assets Rate Reduction, Payment Delay and Extension Rate Reduction, Payment Delay, and Extension [Member] Rate Reduction, Payment Delay, and Extension Liabilities: Liabilities [Abstract] Dividends on preferred stock Preferred Stock Dividends, Income Statement Impact Fair Value, 12 Months or More Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Acquisitions Business Combination Disclosure [Text Block] Current Fiscal Year End Date Current Fiscal Year End Date AFS, Fair Value, Within 1 year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value PEO Name PEO Name Hedge Accounting Basis Adjustment Hedged Asset, Fair Value Hedge, Portfolio Layer Method, Hedged Layer, Fair Value, Cumulative Increase (Decrease) FHLB Stock Federal Home Loan Bank Stock Award Type [Domain] Award Type [Domain] Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Impact of equity-based compensation awards (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Less: Cash collateral received/pledged Derivative Asset, Fair Value of Collateral Schedule of Carrying Amount of Goodwill and Other Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Non-PEO NEO Non-PEO NEO [Member] Capital Surplus Additional Paid-in Capital [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Schedule of Major Classifications of Loan Portfolio Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Current period gross charge-offs, four years prior Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Recently Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Amortized Cost Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount Class of Stock [Axis] Class of Stock [Axis] Title of Individual [Domain] Title and Position [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] HTM, Fair Value, 1 to 5 years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Less: accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Name Measure Name HTM, Fair Value, 5 to 10 years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Entity Interactive Data Current Entity Interactive Data Current Vested / Exercisable (in shares) Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other Than Options Exercisable Number This element represents share based compensation arrangement by share based payment award equity instruments other than option exercisable number. Proceeds from sales Proceeds from sales Proceeds from Sale of Debt Securities, Available-for-Sale Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Transfers from Level 2 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Derivative assets - mortgage Derivative Assets Mortgage [Member] Derivative Assets Mortgage Amortization of unrealized losses, Before-tax Amount Other Comprehensive Income, Amortization Of Unrealized Gain (Loss), Available For Sale To Held To Maturity, Before Tax Other Comprehensive Income, Amortization Of Unrealized Gain (Loss), Available For Sale To Held To Maturity, Before Tax Stock based compensation Share-Based Payment Arrangement, Noncash Expense Schedule of Restricted Stock Unit and Option Activity Share-Based Payment Arrangement, Activity [Table Text Block] Amortization of defined benefit pension plan net periodic pension cost components: Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] First Miami Bancorp, Inc First Miami Bancorp, Inc [Member] First Miami Bancorp, Inc Aggregate Intrinsic Value, Released / Exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Total noninterest income Noninterest Income Income tax credits and other income tax benefits Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization Expense Equity securities with readily determinable fair values Equity Securities, FV-NI Renewable energy investments: Renewable Energy Investments [Member] Renewable Energy Investments Net income available to common shareholders, diluted Net income available to common shareholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Nonaccrual Loans Nonaccrual loans Financing Receivable, Excluding Accrued Interest, Nonaccrual Schedule of Amortized Cost of Loans by Risk Category by Vintage Year Financing Receivable Credit Quality Indicators [Table Text Block] Total deposits Deposits 2028 Sales-Type and Direct Financing Leases, Payment to be Received, Year Four Mortgage loans held for sale Fair value Loan, Mortgage, Held-for-Sale, Fair Value Disclosure Total liabilities and shareholders' equity Liabilities and Equity Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] AFS, Fair Value, 5 to 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Hedging Designation [Axis] Hedging Designation [Axis] Derivatives and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Payment Delay & Extension Payment Delay And Extension [Member] Payment Delay And Extension Unearned income Sales Type And Direct Financing Leases, Deferred Selling Profit Sales Type And Direct Financing Leases, Deferred Selling Profit Interest revenue- investment securities Securities Investment [Member] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Total capital, Well-Capitalized Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum Measurement Input Type [Axis] Measurement Input Type [Axis] Individual: Individual [Axis] Corporate bonds, measurement input Debt Securities, Available-for-Sale, Measurement Input Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Cancelled (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Dealer offsets to customer derivative positions Dealer Offset To Customer Swap Position [Member] Represents the dealer offset to customer swap position. Product and Service [Axis] Product and Service [Axis] Statement [Line Items] Statement [Line Items] Measurement Input Type [Domain] Measurement Input Type [Domain] Net unrealized (losses) gains, Tax (Expense) Benefit OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax Net amount Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Noninterest expenses: Operating Expenses [Abstract] Unrealized losses on held-to-maturity securities transferred from available-for-sale: Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity [Abstract] Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Schedule of Reconciliation of Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Loans held for sale Loan, Held-for-Sale, Fair Value Disclosure Communications and equipment Communications and Information Technology Minimum Minimum [Member] Amortization of unrealized losses on held-to-maturity securities transferred from available-for-sale, Net of Tax Amount OCI, Debt Securities, Available-For-Sale, Transfer To Held-To-Maturity, Adjustment From AOCI For Amortization Of Unrealized Gain (Loss), After Tax OCI, Debt Securities, Available-For-Sale, Transfer To Held-To-Maturity, Adjustment From AOCI For Amortization Of Unrealized Gain (Loss), After Tax CET1 capital Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Actual Payment Delay Payment Delay [Member] Payment Delay Adoption Date Trading Arrangement Adoption Date Financing Receivable, Troubled Debt Restructuring [Line Items] Financing Receivable, Modified [Line Items] Tier 1 capital, Well-Capitalized Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Supplemental consolidated pro forma revenue Business Acquisition, Pro Forma Revenue Derivative Instrument [Axis] Derivative Instrument [Axis] Home equity Home Equity Line of Credit [Member] Exercise Price Award Exercise Price Arrangement Duration Trading Arrangement Duration Tier 1 capital Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Defaults within 12 months of modification Financing Receivable, Modified, Subsequent Default Shareholders' equity: Equity, Attributable to Parent [Abstract] United Community Bank Subsidiaries [Member] Fair Value, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Interest expense- deposits Deposits [Member] Tier 1 capital, Minimum Banking Regulation, Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum Noninterest income: Noninterest Income [Abstract] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Common stock issuable: 568,985 and 620,108 shares, respectively Common Stocks Issuable Represents amount of carrying amount of common stock issuable. Extension Extended Maturity [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Less: Amounts subject to master netting agreements Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Four Nonaccrual loans with an allowance Financing Receivable, Excluding Accrued Interest, Nonaccrual, With Allowance Amount of financing receivable on nonaccrual status with an allowance for credit loss. All Individuals All Individuals [Member] Derivative Assets Derivative Asset [Member] Represents Derivative Asset. Rate Reduction and Extension Extended Maturity and Interest Rate Reduction [Member] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Gross Unrealized Losses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Amortization of unrealized losses on HTM securities transferred from AFS: Accumulated Amortization Of Losses Included In Net Income On Available For Sale Securities Transferred To Held To Maturity [Member] Represents accumulated amortization of gains included in net income on available for sale securities transferred to held to maturity. Loans and leases, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Receivables [Abstract] Receivables [Abstract] Reclassification adjustment for losses included in net income, Tax (Expense) Benefit Income tax benefit attributable to sales Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Decrease in other assets Increase (Decrease) in Other Noncurrent Assets FRB Stock Federal Reserve Bank Stock Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] Total loans Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing Assets: Assets, Fair Value Disclosure [Abstract] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Schedule of Actual Results and Pro Forma Information Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block] Financing Receivable, Troubled Debt Restructuring [Table] Financing Receivable, Modified [Table] Nonaccrual loans with no allowance Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Liability Class [Axis] Liability Class [Axis] Interest Expense Interest Expense [Member] Number of AFS debt securities in unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Other assets Increase (Decrease) in Other Operating Assets Unrealized gains (losses) on available-for-sale securities: OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] CET1 capital Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Actual Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Measure: Measure [Axis] Derivatives designated as hedging instruments Derivative Instruments in Hedges, Liabilities, at Fair Value Impact of equity-based compensation awards Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Asset Class [Domain] Asset Class [Domain] Aggregate Intrinsic Value, Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Accrued interest receivable Interest Receivable and Other Assets [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Total liabilities Liabilities, Fair Value Disclosure Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Merger-related costs Acquisition-related Costs [Member] Equity Component [Domain] Equity Component [Domain] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Payment Delay Payment Delay1 [Member] Payment Delay1 Net interest revenue after provision for credit losses Interest Income (Expense), after Provision for Loan Loss Loans held for investment Loans Held For Investment, After Nonrecurring Fair Value Adjustment, Carrying Value Loans Held For Investment, After Nonrecurring Fair Value Adjustment, Carrying Value Total interest revenue Investment securities interest revenue Interest and Dividend Income, Operating Adjustments to reconcile net income to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Preferred stock, $1 par value: 10,000,000 shares authorized; 3,662 shares Series I issued and outstanding; $25,000 per share liquidation preference Preferred Stock, Including Additional Paid in Capital, Net of Discount Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Proceeds from maturities and calls Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Loans Past Due, 30 - 59 Days Financial Asset, 30 to 59 Days Past Due [Member] Statement [Table] Statement [Table] Measurement Frequency [Domain] Measurement Frequency [Domain] Residential mortgage servicing rights, measurement input Residential Mortgage Servicing Asset Measurement Input Residential Mortgage Servicing Asset, Measurement Input Current period gross charge-offs, in current fiscal year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Schedule of Gains and Losses Recognized in Income on Derivatives Not Designated as Hedging Instruments Derivatives Not Designated as Hedging Instruments [Table Text Block] Gains from sales of other loans Gain (Loss) on Sale of Loans and Leases Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Level 1 Fair Value, Inputs, Level 1 [Member] Originated in prior year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Unrealized Loss, Total Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] HTM, Fair Value, More than 10 years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Vested / Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number % of Total Class of Receivable Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage Actual revenue included since acquisition date Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Assets: Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Tier 1 capital Banking Regulation, Tier 1 Risk-Based Capital, Actual Reclassification adjustment for losses included in net income, Before-tax Amount Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Gains to be reclassified from accumulated other comprehensive income into earnings over the next twelve months Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Repayment of FHLB advances Payments of FHLBank Borrowings, Financing Activities HTM, Amortized Cost, Not due at single maturity Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, without Single Maturity Date Loans and leases held for investment Loans And Leases Held For Investment [Member] Loans And Leases Held For Investment Organization, Consolidation and Presentation of Financial Statements [Abstract] Net decrease in short-term borrowings Proceeds from (Repayments of) Short-Term Debt Fair value adjustments included in OCI Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Long-term debt Long-Term Debt, Fair Value Pledging Purpose [Domain] Pledging Purpose [Domain] Entity Registrant Name Entity Registrant Name Commercial MBS Commercial Mortgage-Backed Securities [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Fair Value as of Grant Date Award Grant Date Fair Value Net (decrease) increase in deposits Increase (Decrease) in Deposits Level 2 Fair Value, Inputs, Level 2 [Member] Risk participations Risk participations Risk Participations [Member] Represents information about risk participations. AFS, Amortized Cost, More than 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Common stock, $1 par value: 200,000,000 shares authorized, 119,174,803 and 119,010,319 shares issued and outstanding, respectively Common Stock, Value, Issued Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Total intangible assets subject to amortization Finite-Lived Intangible Assets, Excluding HFS Finite-Lived Intangible Assets, Excluding HFS AFS, Amortized Cost, 1 to 5 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost Impact of acquisitions Common stock issued and options converted Stock Issued During Period, Value, Acquisitions Leverage ratio Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Interest-bearing deposits in banks Interest-Bearing Deposits in Banks and Other Financial Institutions Impact of acquisitions (in shares) Stock Issued During Period, Shares, Acquisitions Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Commercial MBS, Non-agency Commercial Mortgage-Backed Securities, Issued By Private Enterprises [Member] Debt securities collateralized by commercial real estate mortgage loans (mortgages), issued by non-governmental sponsored enterprises. Basic (in dollars per share) Earnings Per Share, Basic Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Plan exercisable period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Schedule of Goodwill [Table] Goodwill [Table] Disposal Group, Held-for-Sale, Not Discontinued Operations Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Schedule of Accrued Interest Receivable Schedule Of Debt Securities Accrued Interest Receivable [Table Text Block] Schedule Of Debt Securities Accrued Interest Receivable Amortization of defined benefit pension plan net periodic pension cost components, Net of Tax Amount Other Comprehensive Income Loss Amortization Of Prior Service Cost And Actuarial Losses Include Net Periodic Pension Cost For Defined Benefit Pension Plan Net Of Tax Other comprehensive income amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan, net of tax. Common Stock Issuable Common Stock Issuable [Member] Common stock issuable. Amortization of unrealized losses on held-to-maturity securities transferred from available-for-sale, Before-tax amount OCI, Debt Securities, Available-For-Sale, Transfer To Held-To-Maturity, Adjustment From AOCI For Amortization Of Unrealized Gain (Loss), Before Tax OCI, Debt Securities, Available-For-Sale, Transfer To Held-To-Maturity, Adjustment From AOCI For Amortization Of Unrealized Gain (Loss), Before Tax 2025 Finite-Lived Intangible Asset, Expected Amortization, Year One Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Thereafter Sales-Type and Direct Financing Leases, Lease Receivable, To Be Received, After Year Four Sales-Type and Direct Financing Leases, Lease Receivable, To Be Received, After Year Four Debt securities, held-to-maturity, fair value Fair Value Fair value HTM debt securities Debt Securities, Held-to-Maturity, Fair Value Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Other operating expense Other Operating Expense [Member] Other Operating Expense AFS, Amortized Cost, 5 to 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Amortized Cost Total revenue Revenues Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Cash dividends on preferred stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Outside services - electronic banking Noninterest Expense, Outside Services Electronic Banking Noninterest Expense, Outside Services Electronic Banking Entity Address, City or Town Entity Address, City or Town 2025 Sales-Type and Direct Financing Leases, Payment to be Received, Year One Released / Exercised during period, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Allowance for credit losses - loans and leases Less ACL - loans ACL - loans, Beginning Balance ACL - loans, Ending Balance Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Compensation expense Share-Based Payment Arrangement, Expense Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Pull through rate Measurement Input, Pull Through Rate [Member] Measurement Input, Pull Through Rate [Member] Other Commitments [Table] Other Commitments [Table] Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Business Acquisition [Axis] Business Acquisition [Axis] Net decrease (increase) in loans Payments for (Proceeds from) Loans and Leases Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Current Loans Financial Asset, Not Past Due [Member] Noninterest-bearing demand Noninterest-Bearing Deposit Liabilities Liabilities: Liabilities, Fair Value Disclosure [Abstract] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] HTM, Amortized Cost, 5 to 10 years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 5 through 10 Net cash flow hedge activity, Net of tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Commercial Commercial Portfolio Segment [Member] Document Fiscal Year Focus Document Fiscal Year Focus Schedule of Nonaccrual Loans by Loan Class Financing Receivable, Nonaccrual [Table Text Block] Total assets Assets, Fair Value Disclosure Regulatory Capital Requirements Under Banking Regulations [Abstract] Regulatory Capital Requirements Under Banking Regulations Document Period End Date Document Period End Date Amortization of defined benefit pension plan net periodic pension cost components, Tax (Expense) Benefit Other Comprehensive Income Loss Amortization Of Prior Service Cost And Actuarial Losses Included In Net Periodic Pension Cost For Defined Benefit Pension Plan Tax Expense Benefit1 Represents amount of other comprehensive income (loss) amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan, tax expense benefit. Leverage ratio, Minimum Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Asset Class [Axis] Asset Class [Axis] Number of extensions Financing Receivable, Modified, Number Of Extensions Financing Receivable, Modified, Number Of Extensions Insider Trading Arrangements [Line Items] Special Mention Special Mention [Member] Risk-weighted assets Banking Regulation, Risk-Weighted Assets, Actual Revision of Previously Issued Financial Statements Reclassification, Comparability Adjustment [Policy Text Block] Document Transition Report Document Transition Report Additions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances Customer Lists Customer Lists [Member] Investments in LIHTC: Carrying amount Investment, Proportional Amortization Method, Elected, Amount Payments for other investments Payments to Acquire Other Investments Total loans sold Financing Receivable, Sale and Reclassification to Held-for-Sale Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Entity Current Reporting Status Entity Current Reporting Status Retained Earnings Retained Earnings [Member] Business combinations Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Business Combination And Provisional Adjustment Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Business Combination And Provisional Adjustment Loans Past Due, > 90 Days Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Extended weighted average maturity Financing Receivable, Modified, Weighted Average Term Increase from Modification Restricted Stock Unit Awards Restricted stock units Restricted Stock Units (RSUs) [Member] HTM, Amortized Cost, More than 10 years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Total noninterest expenses Noninterest Expense Executive Category: Executive Category [Axis] Minimum future lease payments receivable Sales-type and Direct Financing Leases, Lease Receivable Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Debt Securities, Available For Sale And Held To Maturity [Table] Debt Securities, Available For Sale And Held To Maturity [Table] Debt Securities, Available For Sale And Held To Maturity [Table] Purchases Payments to Acquire Debt Securities, Available-for-Sale Letters of credit Letter of Credit [Member] Company Selected Measure Name Company Selected Measure Name