Post-effective amendment to a registration statement that is not immediately effective upon filing

STOCK-BASED COMPENSATION - Narrative (Details)

v3.21.1
STOCK-BASED COMPENSATION - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2020
Jun. 24, 2020
Mar. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock compensation expense     $ 1.6 $ 1.3
Restricted Stock Units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period 14 months      
Restricted Stock Units (RSUs) | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     1 year  
Restricted Stock Units (RSUs) | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     3 years  
2020 Long-Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of common shares authorized (in shares)   9,300,000