Condensed Consolidated Statements of Changes in Stockholders' Equity (Deficit) - USD ($) $ in Thousands		Total		Cumulative effect upon adoption of Accounting Standards Update 2020-06	Total equity (deficit) attributable to Class A and Class B common stockholders	Total equity (deficit) attributable to Class A and Class B common stockholders Cumulative effect upon adoption of Accounting Standards Update 2020-06	Common Stock	Additional Paid-In Capital	Additional Paid-In Capital Cumulative effect upon adoption of Accounting Standards Update 2020-06	Accumulated Other Comprehensive Loss	Accumulated Deficit	Accumulated Deficit Cumulative effect upon adoption of Accounting Standards Update 2020-06	Noncontrolling Interest
Beginning balance (in shares) at Dec. 31, 2020							168,002,726
Beginning balance at Dec. 31, 2020		$ 141,019		$ (121,491)	$ 78,824	$ (121,491)	$ 17	$ 3,182,753	$ (126,799)	$ (9)	$ (3,103,937)	$ 5,308	$ 62,195
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock awards (in shares)							2,533,027
ESPP purchase (in shares)							1,945,305
ESPP purchase		10,045			10,045			10,045
Exercise of stock options (in shares)							2,597,003
Exercise of stock options		62,065			62,065		$ 1	62,064
Stock-based compensation expense		55,038			55,038			55,038
Distributions and payments to noncontrolling interests		(5,285)											(5,285)
Change in effective portion of interest rate swap agreement		4,031											4,031
Foreign currency translation adjustment		(523)			(269)					(269)			(254)
Net loss	[1]	(144,855)			(131,122)						(131,122)		(13,733)
Ending balance (in shares) at Sep. 30, 2021							175,078,061
Ending balance at Sep. 30, 2021		44			(46,910)		$ 18	3,183,101		(278)	(3,229,751)		46,954
Beginning balance (in shares) at Jun. 30, 2021							173,402,160
Beginning balance at Jun. 30, 2021		29,614			(21,571)		$ 17	3,155,917		(124)	(3,177,381)		51,185
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock awards (in shares)							581,363
ESPP purchase (in shares)							967,797
ESPP purchase		5,319			5,319			5,319
Exercise of stock options (in shares)							126,741
Exercise of stock options		1,123			1,123		$ 1	1,122
Stock-based compensation expense		20,743			20,743			20,743
Distributions and payments to noncontrolling interests		(540)											(540)
Change in effective portion of interest rate swap agreement		763											763
Foreign currency translation adjustment		(299)			(154)					(154)			(145)
Net loss	[2]	(56,679)			(52,370)						(52,370)		(4,309)
Ending balance (in shares) at Sep. 30, 2021							175,078,061
Ending balance at Sep. 30, 2021		44			(46,910)		$ 18	3,183,101		(278)	(3,229,751)		46,954
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)							2,328,713
ESPP purchase (in shares)							759,744
ESPP purchase		11,600			11,600			11,600
Exercise of stock options (in shares)							468,821
Exercise of stock options		3,550			3,550			3,550
Stock-based compensation expense		82,275			82,275			82,275
Distributions and payments to noncontrolling interests		(5,972)			(500)			(500)					(5,472)
Contributions from noncontrolling interest		2,815											2,815
Public share offering (Note 1) (in shares)							14,950,000
Public share offering (Note 1)		371,527			371,527		$ 1	371,526
Forward to purchase Class A Common Stock (Note 5)		4,183
Foreign currency translation adjustment		(1,774)			(1,181)					(1,181)			(593)
Net loss		(264,004)	[3]		(254,236)						(254,236)		(9,768)
Ending balance (in shares) at Sep. 30, 2022							194,967,685
Ending balance at Sep. 30, 2022		202,373			172,892		$ 19	3,691,715		(1,531)	(3,517,311)		29,481
Beginning balance (in shares) at Jun. 30, 2022							178,913,797
Beginning balance at Jun. 30, 2022		(144,921)			(176,955)		$ 18	3,284,261		(1,000)	(3,460,234)		32,034
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock awards (in shares)							539,074
ESPP purchase (in shares)							339,055
ESPP purchase		5,619			5,619			5,619
Exercise of stock options (in shares)							225,759
Exercise of stock options		2,233			2,233			2,233
Stock-based compensation expense		23,893			23,893			23,893
Distributions and payments to noncontrolling interests		(1,557)											(1,557)
Contributions from noncontrolling interest		2,815											2,815
Public share offering (Note 1) (in shares)							14,950,000
Public share offering (Note 1)		371,527			371,527		$ 1	371,526
Forward to purchase Class A Common Stock (Note 5)		4,183
Foreign currency translation adjustment		(1,027)			(531)					(531)			(496)
Net loss	[4]	(60,392)			(57,077)						(57,077)		(3,315)
Ending balance (in shares) at Sep. 30, 2022							194,967,685
Ending balance at Sep. 30, 2022		$ 202,373			$ 172,892		$ 19	$ 3,691,715		$ (1,531)	$ (3,517,311)		$ 29,481

[1] Excludes $9 attributable to redeemable noncontrolling interest.

[2] Excludes $17 attributable to redeemable noncontrolling interest.

[3] Excludes $300 attributable to redeemable noncontrolling interest.

[4] There is no net loss attributable to redeemable noncontrolling interest.