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STOCK-BASED COMPENSATION - Restricted Stock Awards (Details) - Restricted Stock Awards [Member] - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Restricted Stock Awards [Abstract]    
Unrecognized compensation cost $ 7,900  
Weighted average remaining years for which compensation expense is to be recognized 2 years 9 months 18 days  
Number of Shares    
Unvested allocated shares outstanding, beginning of period (in shares) 446,923  
Shares granted (in shares) 64,359  
Shares vested (in shares) (138,529)  
Shares forfeited (in shares) (2,722)  
Unvested allocated shares outstanding, end of period (in shares) 370,031  
Weighted-Average Grant-Date Fair Value [Abstract]    
Unvested allocated shares outstanding, beginning of period (in dollars per share) $ 26.45  
Shares granted (in dollars per share) 34.48  
Shares vested (in dollars per share) 25.50  
Shares forfeited (in dollars per share) 29.23  
Unvested allocated shares outstanding, end of period (in dollars per share) $ 28.18  
Information Related to RSAs    
Compensation expense recognized $ 1,024 $ 836
Income tax benefit recognized on vesting of RSA $ 329  
Weighted average remaining years for which compensation expense is to be recognized 2 years 9 months 18 days