BANK PREMISES AND EQUIPMENT (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
item
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2014
Subsequent Event [Member]
item
Dec. 31, 2013
Land
Dec. 31, 2012
Land
Dec. 31, 2013
Bank premises
Dec. 31, 2012
Bank premises
Dec. 31, 2013
Furniture, fixtures and equipment
Dec. 31, 2012
Furniture, fixtures and equipment
Dec. 31, 2013
Leasehold improvements
Dec. 31, 2012
Leasehold improvements
Dec. 31, 2013
Construction in progress
Dec. 31, 2012
Construction in progress
Premises and equipment                            
Total, gross $ 106,671 $ 97,338     $ 20,532 $ 18,129 $ 41,599 $ 38,917 $ 23,031 $ 24,440 $ 9,091 $ 9,668 $ 12,418 $ 6,184
Accumulated depreciation and amortization (34,918) (33,114)                        
Total, net 71,753 64,224                        
Number of new bank branches 2                          
Number of new bank branches for new headquarters       2                    
Depreciation and amortization expense $ 6,234 $ 5,765 $ 5,526