STOCK-BASED COMPENSATION - Schedule of Restricted Stock Unit Activity (Details)	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Total
Outstanding, beginning balance (in shares)	3,906,867
Granted (in shares)	1,743,689
Vested (in shares)	(1,807,929)
Forfeited (in shares)	(467,871)
Outstanding, beginning balance (in shares)	3,374,756
Weighted-Average Grant Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 19.53
Granted (in dollars per share) | $ / shares	1.99
Vested (in dollars per share) | $ / shares	25.96
Forfeited (in shares) | $ / shares	14.39
Outstanding, ending balance (in dollars per share) | $ / shares	$ 8.34
Service-Based
Total
Outstanding, beginning balance (in shares)	3,570,082
Granted (in shares)	1,743,689
Vested (in shares)	(1,807,929)
Forfeited (in shares)	(396,694)
Outstanding, beginning balance (in shares)	3,109,148
Performance-Based
Total
Outstanding, beginning balance (in shares)	336,785
Granted (in shares)	0
Vested (in shares)	0
Forfeited (in shares)	(71,177)
Outstanding, beginning balance (in shares)	265,608