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STOCK-BASED COMPENSATION - Sales Incentive Awards (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Performance Shares [Member]      
Information Related to Stock Awards      
Award vesting period 3 years    
Compensation expense recognized $ 154 $ 2,279 $ 132
Unvested and outstanding share-based awards 38,948 0  
Sales Incentive Award Program [Member]      
Information Related to Stock Awards      
Award vesting period 1 year    
Compensation expense recognized $ 341 $ 727 $ 171
Unvested and outstanding share-based awards 0 0