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STOCK-BASED COMPENSATION, Restricted Stock Awards (Details) - Restricted Stock Awards [Member] - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Restricted Stock Awards [Abstract]        
Unrecognized compensation cost $ 3,620   $ 3,620  
Weighted average cost expected to be recognized period 2 years 8 months 12 days      
Number of Shares [Roll Forward]        
Unvested allocated shares outstanding, beginning of period (in shares)     256,575  
Shares granted (in shares)     120,478  
Shares vested (in shares)     (63,161)  
Shares forfeited (in shares)     (36,283)  
Unvested allocated shares outstanding, end of period (in shares) 277,609   277,609  
Weighted-Average Grant-Date Fair Value [Abstract]        
Unvested allocated shares outstanding, beginning of period (in dollars per share)     $ 19.79  
Shares granted (in dollars per share)     13.93  
Shares vested (in dollars per share)     19.80  
Shares forfeited (in dollars per share)     17.93  
Unvested allocated shares outstanding, end of period (in dollars per share) $ 17.49   $ 17.49  
Information Related to Restricted Stock Awards [Abstract]        
Compensation expense recognized $ 406 $ 354 $ 867 $ 643
Income tax benefit (expense) recognized on vesting of awards $ (61) $ 7 $ (57) $ 10
Certain Officers [Member] | Minimum [Member]        
Restricted Stock Awards [Abstract]        
Award vesting period 3 years      
Certain Officers [Member] | Maximum [Member]        
Restricted Stock Awards [Abstract]        
Award vesting period 4 years