Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION - Market-Based Restricted Stock Units (Details)

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STOCK BASED COMPENSATION - Market-Based Restricted Stock Units (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock based compensation expenses   $ 9,912,000 $ 2,217,000  
Market Based Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Risk-free interest rate 1.30%      
Expected life (in years) 7 years      
Expected volatility 55.00%      
Fair value of Common Stock, Minimum $ 0.98      
Fair value of Common Stock, Maximum $ 4.95      
Target performance (number of shares) 9,070,269      
Vested (in shares)   0    
Forfeited (in shares)   0    
Outstanding (in shares)       6,802,702
Market Based Restricted Stock Units | Mr. Sibalani        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock based compensation expenses       $ 0
Market Based Restricted Stock Units | Employee        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 9,070,269