COMMON STOCK AND STOCKHOLDERS' (DEFICIT) EQUITY- SCHEDULE OF ACTIVITY RELATED TO TIME-BASED AND MARKET-BASED RSUs (Details)	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Time-Based RSUs
Number of RSUs
Unvested restricted stock, beginning balance (in shares) | shares	49,428,070
Granted (in shares) | shares	36,926,801
Vested (in shares) | shares	(4,551,630)
Forfeited (in shares) | shares	(4,087,935)
Unvested restricted stock, ending balance (in shares) | shares	77,715,306
Weighted- average grant date fair value
Unvested restricted stock, Weighted-average grant date fair value, beginning balance (in dollars per share) | $ / shares	$ 31.78
Granted, Weighted-average grant date fair value (in dollars per share) | $ / shares	13.49
Vested, Weighted-average grant date fair value (in dollars per share) | $ / shares	27.65
Forfeited, weighted-average grant date fair value (in dollars per share) | $ / shares	30.07
Unvested restricted stock, Weighted-average grant date fair value, ending balance (in dollars per share) | $ / shares	$ 23.43
Market-Based RSUs
Number of RSUs
Unvested restricted stock, beginning balance (in shares) | shares	58,918,844
Granted (in shares) | shares	0
Vested (in shares) | shares	(115,264)
Forfeited (in shares) | shares	0
Unvested restricted stock, ending balance (in shares) | shares	58,803,580
Weighted- average grant date fair value
Unvested restricted stock, Weighted-average grant date fair value, beginning balance (in dollars per share) | $ / shares	$ 23.50
Granted, Weighted-average grant date fair value (in dollars per share) | $ / shares	0
Vested, Weighted-average grant date fair value (in dollars per share) | $ / shares	2.34
Forfeited, weighted-average grant date fair value (in dollars per share) | $ / shares	0
Unvested restricted stock, Weighted-average grant date fair value, ending balance (in dollars per share) | $ / shares	$ 23.54