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STOCKHOLDERS' EQUITY (DEFICIT) AND COMPENSATION ARRANGEMENTS - Schedule of Restricted Stock Unit Activity (Details) - Restricted stock units
3 Months Ended
Mar. 31, 2023
$ / shares
shares
Number of Shares  
Beginning balance (in shares) | shares 2,876,089
Granted (in shares) | shares 125,486
Vested (in shares) | shares (403,202)
Forfeited (in shares) | shares (683,337)
Ending balance (in shares) | shares 1,915,036
Weighted-Average Grant Date Fair Value (per unit)  
Beginning balance (in usd per share) | $ / shares $ 19.33
Granted (in usd per share) | $ / shares 8.74
Vested (in usd per share) | $ / shares 18.09
Forfeited (in usd per share) | $ / shares 14.70
Ending balance (in usd per share) | $ / shares $ 18.64