v2.4.0.6
Document and Entity Information
6 Months Ended
Jun. 30, 2012
Jul. 31, 2012
Entity Registrant Name UNITED COMMUNITY BANKS INC  
Entity Central Index Key 0000857855  
Document Type 10-Q  
Document Period End Date Jun. 30, 2012  
Amendment Flag false  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   41,774,770
Non-Voting Common Stock
   
Entity Common Stock, Shares Outstanding   15,914,209