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SHARE-BASED COMPENSATION - Additional Information (Details)
$ in Millions
1 Months Ended 6 Months Ended
Mar. 15, 2020
shares
May 31, 2021
shares
Jun. 30, 2021
USD ($)
performanceCondition
shares
Jun. 30, 2020
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Awards outstanding to officers, directors and key employees (in shares) | shares     1,800,000  
Share-based compensation     $ 4.4 $ 2.9
Unrecognized compensation expense related to share-based compensation     $ 11.3  
Remaining weighted-average period     1 year 10 months 24 days  
Shares issued net of shares for tax withholdings | shares 19,048      
2018 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of additional shares authorized (in shares) | shares   3,000,000.0    
Stock and stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation     $ 3.3 2.1
Stock and stock units | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     3 years  
Stock and stock units | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     4 years  
Long-term performance stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation     $ 1.1 $ 0.8
Award vesting period     2 years  
Performance period     2 years  
Share-based compensation award, number of performance conditions | performanceCondition     2  
Long-term performance stock units | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Possible payouts     0.00%  
Long-term performance stock units | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Possible payouts     200.00%  
2019 | Long-term performance stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vested award performance target level, percentage 25.00%      
Award vesting rights, performance metric, percentage 0.00%