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SHARE-BASED COMPENSATION - Summary of Inputs and Assumptions used to Estimated Grant-date Fair Value of PRSUs (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Feb. 02, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Closing price of common stock   $ 15.50
PRSUs    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Closing price of common stock $ 15.92  
Risk-free interest rate 1.15%  
Expected volatility 99.70%