Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (58,421)	$ (47,978)	$ (88,202)	$ (129,620)
Other comprehensive loss, net of taxes:
Unrealized loss on available-for-sale securities	0	(23)	0	(23)
Change in derivative instruments designated and qualifying as cash flow hedges	1,385	(503)	(3,268)	(8,717)
Foreign currency translation adjustment	4	0	(224)	0
Other comprehensive income (loss), net of taxes	1,389	(526)	(3,492)	(8,740)
Comprehensive loss	(57,032)	(48,504)	(91,694)	(138,360)
Less: Comprehensive loss attributable to noncontrolling interest and redeemable noncontrolling interest	(5,941)	(5,968)	(6,291)	(19,870)
Comprehensive loss attributable to Class A and Class B stockholders	$ (51,091)	$ (42,536)	$ (85,403)	$ (118,490)