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EQUITY AWARDS - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unrecognized compensation expense $ 1,817  
Unrecognized compensation expense, period for recognition 3 years 2 months 1 day  
Exercised (in shares) 0 24,250
Restricted Stock | Minimum | Employees    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 5 years  
2015 Equity Incentive Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares permitted for grant (in shares) 1,100,000  
Grace period for vested options, forfeitures in period 90 days  
2015 Equity Incentive Plan | Option    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Contractual term 10 years  
Share-based compensation expense $ 156 $ 162
2015 Equity Incentive Plan | Option | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 5 years  
2015 Equity Incentive Plan | Option | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 10 years