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STOCKHOLDERS' EQUITY AND COMPENSATION ARRANGEMENTS - Schedule of Restricted Stock Unit Activity (Details) - Restricted stock units
 9 Months Ended
Sep. 30, 2022
$ / shares
shares
Number of Shares  
Beginning balance (in shares) | shares 2,205,235
Granted (in shares) | shares 2,233,380
Vested (in shares) | shares (915,272)
Forfeited (in shares) | shares (514,350)
Ending balance (in shares) | shares 3,008,993
Weighted-Average Grant Date Fair Value (per unit)  
Beginning balance (in dollars per share) | $ / shares $ 31.06
Granted (in dollars per share) | $ / shares 19.14
Vested (in dollars per share) | $ / shares 33.25
Forfeited (in dollars per share) | $ / shares 26.94
Ending balance (in dollars per share) | $ / shares $ 22.20