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STOCK-BASED COMPENSATION - PSU Activity (Details) - Performance Shares - $ / shares
shares in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]    
Beginning outstanding balance (in shares) 615  
Granted (in shares) 0  
Released (in shares) (206)  
Forfeited (in shares) (9)  
Ending outstanding balance (in shares) 400 615
Weighted Average Grant Date Fair Value    
Beginning outstanding balance (in dollars per share) $ 3.69  
Granted (in dollars per share) 0  
Released (in dollars per share) 3.7  
Forfeited (in dollars per share) 6.2  
Ending outstanding balance (in dollars per share) $ 3.63 $ 3.69
Share-based Compensation Arrangement by Share-based Payment Award, Additional Disclosures [Abstract]    
Weighted average remaining contractual life / recognition period, outstanding 9 months 1 year 1 month 13 days