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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, 2021
Mar. 31, 2020
Restricted Stock Awards [Abstract]    
Unrecognized compensation cost $ 10,000  
Weighted average remaining years for which compensation expense is to be recognized 3 years 2 years 4 months 24 days
Number of Shares [Roll Forward]    
Unvested allocated shares outstanding, beginning of period (in shares) 0  
Shares acquired (in shares) 89,043  
Shares granted (in shares) 431,114  
Shares vested (in shares) (89,043)  
Shares forfeited (in shares) (1,050)  
Unvested allocated shares outstanding, end of period (in shares) 430,064  
Weighted-Average Grant-Date Fair Value [Abstract]    
Shares acquired (in dollars per share) $ 31.00  
Shares granted (in dollars per share) 25.54  
Shares vested (in dollars per share) 31.00  
Shares forfeited (in dollars per share) 25.98  
Unvested allocated shares outstanding, end of period (in dollars per share) $ 25.54  
Information Related to Restricted Stock Awards [Abstract]    
Compensation expense recognized $ 836 $ 461
Income tax benefit (expense) recognized on vesting of RSA   $ 4
Weighted average remaining years for which compensation expense is to be recognized 3 years 2 years 4 months 24 days
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