Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION - Narrative (Details)

v3.22.1
SHARE-BASED COMPENSATION - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Stock options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted-average grant date, fair value (USD per share) $ 1.72 $ 10.60  
Cost not yet recognized, amount $ 961   $ 1,414
Cost not yet recognized, period for recognition 1 year 2 months 12 days   1 year 4 months 24 days
Market-based Restricted Share Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 0    
Market-based Restricted Share Units | Installment, One      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of trading days where price is exceeded 20 days    
Number of consecutive trading days where price is exceeded 30 days    
Market-based Restricted Share Units | Installment, Two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of trading days where price is exceeded 20 days    
Number of consecutive trading days where price is exceeded 30 days    
Market-based Restricted Share Units | Minimum | Installment, One      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share price (USD per share) $ 12.50    
Market-based Restricted Share Units | Minimum | Installment, Two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share price (USD per share) $ 15.00