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STOCK-BASED COMPENSATION (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Additional disclosures        
Compensation expense, net of forfeitures     $ 1,473 $ 1,370
Restricted Stock        
STOCK-BASED COMPENSATION        
Weighted average market value (in dollars per share)     $ 22.56  
Service period over which value of the shares is amortized to compensation expense     3 years  
Number of Shares        
Outstanding at beginning of period (in shares)     308,542  
Awarded (in shares)     105,785  
Vested (in shares)     (123,716)  
Forfeited (in shares)     (16,403)  
Outstanding at end of period (in shares) 274,208   274,208  
Additional disclosures        
Compensation expense, net of forfeitures $ 518 $ 395 $ 1,473 $ 1,370
Restricted Stock | Performance based vesting        
Number of Shares        
Awarded (in shares)     28,025