Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v2.4.0.6
Document And Entity Information
3 Months Ended
Mar. 31, 2012
May 02, 2012
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2012  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q1  
Entity Registrant Name UNION FIRST MARKET BANKSHARES CORP  
Entity Central Index Key 0000883948  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   25,942,472