Annual report pursuant to Section 13 and 15(d)

SHARE-BASED COMPENSATION - Stock Options Narrative (Details)

v3.21.1
SHARE-BASED COMPENSATION - Stock Options Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 31, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense   $ 2,430 $ 3,652 $ 1,649
2018 Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expiration period   10 years    
Exercised (in shares)   0 0 0
Equity-based compensation expense   $ 2,430 $ 2,385 $ 187
Stock option expense, not yet recognized   $ 400    
Granted (in shares)   15,000 0 2,044,815
2018 Equity Incentive Plan | Tranche One        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage 50.00%      
2018 Equity Incentive Plan | Tranche Two        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage 25.00%      
2018 Equity Incentive Plan | Tranche Three        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage 25.00%      
Employee Stock Option | 2018 Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense   $ 800 $ 2,000 $ 200
Share-based awards, compensation cost recognition period (in years)   8 months 12 days