Condensed Consolidated Statements of Changes in Stockholders' Equity (Deficit) - USD ($) $ in Thousands		Total	Total Equity Attributable to Class A and Class B Common Stockholders	Class A and Class B Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Noncontrolling Interest
Beginning balance (in shares) at Dec. 31, 2021				176,460,407
Beginning balance at Dec. 31, 2021		$ (1,827)	$ (44,326)	$ 18	$ 3,219,081	$ (350)	$ (3,263,075)	$ 42,499
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock awards (in shares)				964,937
ESPP purchase (in shares)				420,689
ESPP purchase		5,981	5,981		5,981
Exercise of stock options (in shares)				149,662
Exercise of stock options		980	980		980
Stock-based compensation		25,586	25,586		25,586
Distributions and payments to noncontrolling interests		(2,876)	(500)		(500)			(2,376)
Foreign currency translation adjustment		(153)	(153)			(153)
Net loss	[1]	(82,447)	(78,359)				(78,359)	(4,088)
Ending balance (in shares) at Mar. 31, 2022				177,995,695
Ending balance at Mar. 31, 2022		(54,756)	(90,791)	$ 18	3,251,128	(503)	(3,341,434)	36,035
Beginning balance (in shares) at Dec. 31, 2022				205,664,690
Beginning balance at Dec. 31, 2022		378,816	340,777	$ 20	3,906,491	(1,251)	(3,564,483)	38,039
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock awards (in shares)				2,104,904
ESPP purchase (in shares)				449,525
ESPP purchase		7,756	7,756		7,756
Exercise of stock options (in shares)				114,526
Exercise of stock options		769	769		769
Stock-based compensation		29,294	29,294		29,294
Derecognition of the pre-modification forward contract fair value (Note 15)		76,242	76,242		76,242
Equity component of redeemable convertible preferred stock, Series B (Note 15)		16,145	16,145		16,145
Foreign currency translation adjustment		(271)	(101)			(101)		(170)
Net loss		(74,917)	(71,567)				(71,567)	(3,350)
Ending balance (in shares) at Mar. 31, 2023				208,333,645
Ending balance at Mar. 31, 2023		$ 433,834	$ 399,315	$ 20	$ 4,036,697	$ (1,352)	$ (3,636,050)	$ 34,519

[1] Excludes $300 attributable to redeemable noncontrolling interest.Note: Beginning redeemable noncontrolling interest of $300 - Net loss attributable to redeemable noncontrolling interest of $300 = ending redeemable noncontrolling interest of Nil.