STOCK-BASED COMPENSATION - Nonvested Restricted Stock Units Activity (Details)	9 Months Ended
	Sep. 30, 2022 $ / shares shares
Total
Outstanding, beginning balance (in shares)	3,523,335
Granted (in shares)	3,897,786
Vested (in shares)	(1,653,308)
Forfeited (in shares)	(516,704)
Outstanding, ending balance (in shares)	5,251,109
Weighted-Average Grant Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 34.24
Granted (in dollars per share) | $ / shares	10.00
Vested (in dollars per share) | $ / shares	31.21
Forfeited (in dollars per share) | $ / shares	33.22
Outstanding, ending balance (in dollars per share) | $ / shares	$ 17.23
Service-Based RSU
Total
Outstanding, beginning balance (in shares)	3,030,608
Granted (in shares)	3,897,786
Vested (in shares)	(1,653,308)
Forfeited (in shares)	(360,762)
Outstanding, ending balance (in shares)	4,914,324
Performance-Based RSU
Total
Outstanding, beginning balance (in shares)	492,727
Granted (in shares)	0
Vested (in shares)	0
Forfeited (in shares)	(155,942)
Outstanding, ending balance (in shares)	336,785