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STOCK-BASED COMPENSATION (Details) - $ / shares
shares in Millions
8 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2019
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized     13  
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Minimum exercise price, as a percent of grant date fair value     100.00%  
Minimum exercise price, as a percent of grant date fair value, awards to 10% shareholders     110.00%  
Expiration period     10 years  
Weighted-average grant date fair value (in dollars per share)   $ 1.79 $ 14.90 $ 1.79
Stock options | Employees        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average grant date fair value (in dollars per share) $ 1.09   $ 5.76 $ 1.08
Minimum | Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercisable period     1 year  
Maximum | Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercisable period     4 years