Consolidated Statements of Redeemable Convertible Preferred Stock, Redeemable Noncontrolling Interest, Stockholders' Equity (Deficit) and Noncontrolling Interest - USD ($) $ in Thousands	Total	Redeemable Convertible Preferred Stock	Redeemable Noncontrolling   Interest	Total Stockholders' Equity (Deficit)	Total Stockholders' Equity (Deficit) Cumulative effect upon adoption of new accounting standard	Common Stock	Additional Paid-In Capital	Additional Paid-In Capital Cumulative effect upon adoption of new accounting standard	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Accumulated Deficit Cumulative effect upon adoption of new accounting standard	Noncontrolling Interest	Noncontrolling Interest Cumulative effect upon adoption of new accounting standard
Beginning balance (in shares) at Dec. 31, 2018		0
Beginning balance at Dec. 31, 2018		$ 0	$ 57,261
Increase (Decrease) in Temporary Equity [Roll Forward]
Distributions to noncontrolling interests			(4,011)
Mandatory redemption of noncontrolling interests			(55,684)
Net income (loss)			2,877
Ending balance (in shares) at Dec. 31, 2019		0
Ending balance at Dec. 31, 2019		$ 0	443
Beginning balance (in shares) at Dec. 31, 2018						109,421,183
Beginning balance at Dec. 31, 2018				$ (142,610)		$ 11	$ 2,481,352		$ 131	$ (2,624,104)		$ 125,110
Beginning balance (Accounting Standards Update 2014-09) at Dec. 31, 2018					$ (17,996)						$ (17,996)
Beginning balance (Accounting Standards Update 2017-12) at Dec. 31, 2018					130						130		$ (130)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Buyout of equity investors in PPA IIIb				(2,285)			(2,454)		169
Conversion of notes (in shares)						616,302
Conversion of Notes				6,933			6,933
Issuance of restricted stock awards (in shares)						8,921,807
Issuance of restricted stock awards				1		$ 1
ESPP purchase (in shares)						1,718,433
ESPP purchase				11,183			11,183
Exercise of stock options (in shares)						358,564
Exercise of stock options				1,529			1,529
Stock-based compensation				188,114			188,114
Unrealized loss on available-for-sale securities	$ 14			14					14
Change in effective portion of interest rate swap agreement	(6,085)			(295)					(295)			(5,790)
Distributions to noncontrolling interests				102			102					(5,970)
Cumulative foreign currency translation adjustment
Net income (loss)	$ (323,466)			(304,414)						(304,414)		(21,929)
Ending balance (in shares) at Dec. 31, 2019						121,036,289
Ending balance at Dec. 31, 2019				(259,594)		$ 12	2,686,759		19	(2,946,384)		91,291
Accounting Standards Update [Extensible List]	Accounting Standards Update 2020-06
Increase (Decrease) in Temporary Equity [Roll Forward]
Distributions to noncontrolling interests			(45)
Net income (loss)			(21)
Ending balance (in shares) at Dec. 31, 2020		0
Ending balance at Dec. 31, 2020		$ 0	377
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of notes (in shares)						35,881,250
Conversion of Notes				300,852		$ 4	300,848
Issuance of convertible notes				126,799			126,799
Adjustment of embedded derivative for debt modification				(24,071)			(24,071)
Issuance of restricted stock awards (in shares)						7,806,038
Issuance of restricted stock awards				1		$ 1
ESPP purchase (in shares)						1,937,825
ESPP purchase				8,499			8,499
Exercise of stock options (in shares)						1,341,324
Exercise of stock options				14,988			14,988
Stock-based compensation				68,931			68,931
Unrealized loss on available-for-sale securities	$ (23)			(23)					(23)
Change in effective portion of interest rate swap agreement	(6,896)			(5)					(5)			(6,891)
Distributions to noncontrolling interests												(7,205)
Contributions from noncontrolling interests												6,513
Cumulative foreign currency translation adjustment	0
Net income (loss)	(179,087)			(157,553)						(157,553)		(21,513)
Ending balance (in shares) at Dec. 31, 2020						168,002,726
Ending balance at Dec. 31, 2020				78,824	$ (121,491)	$ 17	3,182,753	$ (126,799)	(9)	(3,103,937)	$ 5,308	62,195
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of redeemable convertible preferred stock (in shares)		10,000,000
Issuance of redeemable convertible preferred stock		$ 208,551
Distributions to noncontrolling interests			(49)
Net income (loss)			(28)
Ending balance (in shares) at Dec. 31, 2021		10,000,000
Ending balance at Dec. 31, 2021		$ 208,551	$ 300
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock awards (in shares)						3,052,012
ESPP purchase (in shares)						1,945,305
ESPP purchase				10,045			10,045
Exercise of stock options (in shares)						3,460,364
Exercise of stock options				79,745		$ 1	79,744
Stock-based compensation				73,338			73,338
Unrealized loss on available-for-sale securities	0
Change in effective portion of interest rate swap agreement	15,243											15,243
Distributions to noncontrolling interests												(5,789)
Cumulative foreign currency translation adjustment	(595)			(342)					(341)	(1)		(254)
Net income (loss)	$ (193,369)			(164,445)			0			(164,445)		(28,896)
Ending balance (in shares) at Dec. 31, 2021						176,460,407
Ending balance at Dec. 31, 2021				$ (44,326)		$ 18	$ 3,219,081		$ (350)	$ (3,263,075)		$ 42,499