Consolidated Statements of Convertible Redeemable Preferred Stock, Redeemable Noncontrolling Interest, Stockholders' Deficit and Noncontrolling Interest - USD ($) $ in Thousands		Total	Total Stockholders' Deficit	Common Stock		Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Redeemable Noncontrolling Interest	Noncontrolling Interest	Convertible Redeemable Preferred Stock	Class A common stock	Class A common stock Total Stockholders' Deficit	Class A common stock Common Stock		Class A common stock Additional Paid-In Capital	Class B common stock	Class B common stock Total Stockholders' Deficit	Class B common stock Common Stock		Class B common stock Additional Paid-In Capital	Previously Reported	Previously Reported Total Stockholders' Deficit	Previously Reported Common Stock		Previously Reported Additional Paid-In Capital	Previously Reported Accumulated Other Comprehensive Income (Loss)	Previously Reported Accumulated Deficit	Previously Reported Redeemable Noncontrolling Interest	Previously Reported Noncontrolling Interest	Previously Reported Convertible Redeemable Preferred Stock	Restatement Adjustment	Restatement Adjustment Total Stockholders' Deficit	Restatement Adjustment Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2016	[1]			10,132,220																				10,132,220
Beginning balance at Dec. 31, 2016			$ (1,966,096)	$ 1	[1]	$ 108,647	$ (542)	$ (2,074,202)	$ 59,320	$ 175,668													$ (1,959,942)	$ 1	[1]	$ 108,647	$ (542)	$ (2,068,048)	$ 59,320	$ 175,668			$ (6,154)	$ (6,154)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contributions from noncontrolling interests										13,652
Issuance of common stock warrant			9,410			9,410
Issuance of common stock (in shares)	[1]			64,000
Issuance of Common Stock			1,981			1,981
Issuance of restricted stock awards (in shares)	[1]			33,896
Issuance of restricted stock awards			1,254			1,254
Exercise of stock options (in shares)	[1]			123,153
Exercise of stock options			432			432
Stock-based compensation expense			29,080			29,080
Conversion of redeemable convertible preferred stock Series A-G		$ 0
Reclassification of redeemable convertible preferred stock warrant liability to additional paid-in capital		0
Reclassification of derivative liability into additional paid-in capital		0
Excess fair value of consideration paid over the noncontrolling interest reduction		(13)	(13)				(13)
Change in effective portion of interest rate swap agreement		393	393				393		1	500
Distributions to noncontrolling interests									5,104	11,845
Net income (loss)		(295,028)	(276,362)					(276,362)	3,937	(22,603)												$ (281,265)										$ (13,763)
Ending balance (in shares) at Dec. 31, 2017	[1]			10,353,269
Ending balance at Dec. 31, 2017			(2,199,921)	$ 1	[1]	150,804	(162)	(2,350,564)	58,154	155,372
Beginning balance (in shares) at Dec. 31, 2016											71,740,162																				71,740,162
Beginning balance at Dec. 31, 2016											$ 1,465,841																				$ 1,465,841
Ending balance (in shares) at Dec. 31, 2017											71,740,162
Ending balance at Dec. 31, 2017											$ 1,465,841
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)	[1]			166,667															5,734,440
Issuance of Common Stock			2,500			2,500												$ 221,580	$ 1	[1]	$ 221,579
Issuance of restricted stock awards (in shares)	[1]			17,793
Issuance of restricted stock awards			349			349
Exercise of stock options (in shares)	[1]			396,277
Exercise of stock options			1,521			1,521
Stock-based compensation expense			177,646			177,646
Issuance of Class A common stock upon public offering, net (in shares)	[1]													20,700,000
Issuance of Class A common stock upon public offering, net													$ 282,276	$ 2	[1]	$ 282,274
Issuance of Class A and B common stock upon exercise of warrants (in shares)	[1]			312,575
Conversion of redeemable convertible preferred stock Series A-G	[1]			71,740,162
Conversion of redeemable convertible preferred stock Series A-G		1,465,841	1,465,841	$ 7	[1]	1,465,834
Reclassification of redeemable convertible preferred stock warrant liability to additional paid-in capital		882	882			882
Reclassification of derivative liability into additional paid-in capital		177,208	177,963			177,963
Excess fair value of consideration paid over the noncontrolling interest reduction		26	26				26
Change in effective portion of interest rate swap agreement		267	267				267		2	1,829
Distributions to noncontrolling interests									6,788	8,462
Net income (loss)		(291,276)	(273,540)					(273,540)	5,893	(23,629)												$ (259,489)										$ (31,787)
Ending balance (in shares) at Dec. 31, 2018				109,421,183	[1]							20,868,286					88,552,897
Ending balance at Dec. 31, 2018			(142,610)	$ 11	[1]	2,481,352	131	(2,624,104)	57,261	125,110
Increase (Decrease) in Temporary Equity [Roll Forward]
Temporary Equity,Conversion of redeemable convertible preferred stock Series A-G (in shares)											(71,740,162)
Temporary Equity, Conversion of redeemable convertible preferred stock Series A-G											$ 1,465,841
Ending balance (in shares) at Dec. 31, 2018											0
Ending balance at Dec. 31, 2018											$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of Notes (in shares)	[1]			616,302
Conversion of Notes			6,933			6,933
Issuance of restricted stock awards (in shares)	[1]			8,921,807
Issuance of restricted stock awards			1	$ 1	[1]
ESPP purchase (in shares)	[1]			1,718,433
ESPP purchase			11,183			11,183
Exercise of stock options (in shares)	[1]			358,564
Exercise of stock options			1,529			1,529
Stock-based compensation expense			188,114			188,114
Conversion of redeemable convertible preferred stock Series A-G		0
Reclassification of redeemable convertible preferred stock warrant liability to additional paid-in capital		0
Reclassification of derivative liability into additional paid-in capital		0
Excess fair value of consideration paid over the noncontrolling interest reduction		14	14				14
Change in effective portion of interest rate swap agreement		(295)	(295)				(295)			(5,790)
Distributions to noncontrolling interests			102			102			(4,011)	(5,970)
Mandatory redemption of noncontrolling interests			(2,285)			(2,454)	169		(55,684)
Cumulative effect of hedge accounting			130					130		(130)
Net income (loss)		$ (323,466)	(304,414)					(304,414)	2,877	(21,929)
Ending balance (in shares) at Dec. 31, 2019				121,036,289	[1]							84,549,511					36,486,778
Ending balance at Dec. 31, 2019			$ (259,594)	$ 12	[1]	$ 2,686,759	$ 19	$ (2,946,384)	$ 443	$ 91,291
Ending balance (in shares) at Dec. 31, 2019											0
Ending balance at Dec. 31, 2019											$ 0

[1] Common Stock issued and converted to Class A Common and Class B Common effective July 2018.