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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercises in period, intrinsic value $ 9.8 $ 1.2  
Aggregate intrinsic value, vested 0.3 $ 0.3  
Option, cost not yet recognized $ 0.5    
Nonvested award, unrecognized, period for recognition 2 years    
Granted (in shares) 0 0  
2016 Stock Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized for award (in shares)     20,803,838
Non-option equity instruments, granted (in shares)     14,142,208
Shares available for future grant (in shares)     0
Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Nonvested award, unrecognized, period for recognition 3 years 2 months 12 days    
Grants in period, vested, grant date fair value $ 6.3 $ 0.1  
Nonvested award, excluding options, unrecognized $ 34.0