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SHARE-BASED COMPENSATION (Share-Based Compensation) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
SHARE-BASED COMPENSATION      
Net share-based compensation effect $ 2,565 $ 3,695 $ 3,842
Salaries and employee benefits      
SHARE-BASED COMPENSATION      
Net share-based compensation effect 4,181 6,101 6,367
Directors stock awards      
SHARE-BASED COMPENSATION      
Net share-based compensation effect 78 37 45
Income tax benefit      
SHARE-BASED COMPENSATION      
Net share-based compensation effect $ (1,694) $ (2,443) $ (2,570)