Annual report pursuant to Section 13 and 15(d)

SHARE-BASED COMPENSATION - Summary of Restricted Stock Transactions (Details)

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SHARE-BASED COMPENSATION - Summary of Restricted Stock Transactions (Details) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Weighted-Average Grant Date Fair Value      
Granted (in dollars per share)   $ 2.90 $ 1.17
Restricted Stock      
Shares      
Unvested, beginning balance (in shares) 30,804    
Granted (in shares) 1,420    
Vested (in shares) (399)    
Forfeited (in shares) (4,399)    
Unvested, ending balance (in shares) 27,426 30,804  
Weighted-Average Grant Date Fair Value      
Unvested, beginning balance (in dollars per share) $ 6.43    
Granted (in dollars per share) 4.46    
Vested (in dollars per share) 4.34    
Forfeited (in dollars per share) 5.36    
Unvested, ending balance (in dollars per share) $ 6.52 $ 6.43