Consolidated Statements of Redeemable Noncontrolling Interests and Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Series E Convertible Preferred Stock	Series D And E Preferred Stock	Redeemable Noncontrolling Interests	Preferred Stock	Preferred Stock Series E Convertible Preferred Stock	Common Stock	Common Stock Series D And E Preferred Stock	Additional Paid-In Capital	Additional Paid-In Capital Series E Convertible Preferred Stock	Additional Paid-In Capital Series D And E Preferred Stock	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Total Stockholders' Equity	Total Stockholders' Equity Series E Convertible Preferred Stock	Total Stockholders' Equity Series D And E Preferred Stock	Noncontrolling Interest
Beginning Balance at Dec. 31, 2013	$ 222,711				$ 4		$ 1		$ 153,129				$ 11,849	$ 164,983			$ 57,728
Beginning Balance at Dec. 31, 2013				$ 109,665
Beginning Balance, (in shares) at Dec. 31, 2013					43,998		10,412
Conversion of Preferred Stock, (in shares)					(36)		36
Issuance of share, net of issuance costs		$ 143,393				$ 1				$ 143,392					$ 143,393
Issuance of share, net of issuance costs(in shares)						10,879
Issuance of shares due to business acquisition	75,281						$ 1		75,280					75,281
Issuance of shares due to business acquisition, (in shares)							12,763
Exercise of stock options	2,707								2,707					2,707
Exercise of stock options, (in shares)							1,038
Stock-based compensation	9,352								9,352					9,352
Contributions from noncontrolling interests and redeemable noncontrolling interests	80,653			88,837													80,653
Distributions to noncontrolling interests and redeemable noncontrolling interests	(10,923)			(11,619)													(10,923)
Net income (loss)	(106,555)			(50,935)									(70,852)	(70,852)
Net loss, Noncontrolling Interest	(86,638)																(35,703)
Ending Balance at Dec. 31, 2014	416,619				$ 5		$ 2		383,860				(59,003)	324,864			91,755
Ending Balance at Dec. 31, 2014				135,948
Ending Balance, (in shares) at Dec. 31, 2014					54,841		24,249
Issuance of share, net of issuance costs	221,318						$ 2		221,316					221,318
Issuance of share, net of issuance costs(in shares)							17,482
Issuance of shares due to business acquisition	19,148								19,148					19,148
Issuance of shares due to business acquisition, (in shares)							1,650
Exercise of stock options	$ 3,548								3,548					3,548
Exercise of stock options, (in shares)	1,210						1,210
Issuance of restricted stock units, net of tax withholdings	$ (103)								(103)					(103)
Issuance of restricted stock units, net of tax withholdings, (in shares)							182
Stock-based compensation	16,002								16,002					16,002
Contributions from noncontrolling interests and redeemable noncontrolling interests	147,238			128,466													147,238
Distributions to noncontrolling interests and redeemable noncontrolling interests	(17,193)			(12,924)													(17,193)
Inducement shares issued			$ 23,349					$ 1			$ 23,348					$ 23,349
Inducement shares issued, (in shares)								1,668
Deemed dividend			$ (24,890)								$ (24,890)					$ (24,890)
Conversion of convertible preferred stock to common stock					$ (5)		$ 5
Conversion of convertible preferred stock to common stock, (in shares)					(54,841)		54,841
Net income (loss)	(144,555)			(104,351)									(28,246)	(28,246)
Net loss, Noncontrolling Interest	(220,660)																(116,309)
Other comprehensive income (loss), net of taxes	(921)											$ (921)		(921)
Ending Balance at Dec. 31, 2015	659,560						$ 10		642,229			(921)	(87,249)	554,069			105,491
Ending Balance at Dec. 31, 2015	147,139			147,139
Ending Balance, (in shares) at Dec. 31, 2015							101,282
Issuance of shares due to business acquisition, (in shares)							250
Exercise of stock options	$ 5,416								5,416					5,416
Exercise of stock options, (in shares)	1,852						1,852
Issuance of restricted stock units, net of tax withholdings	$ (381)								(381)					(381)
Issuance of restricted stock units, net of tax withholdings, (in shares)							422
Shares issued in connection with the Employee Stock Purchase Plan	2,432								2,432					2,432
Shares issued in connection with the Employee Stock Purchase Plan, (in shares)							515
Stock-based compensation	18,817								18,817					18,817
Contributions from noncontrolling interests and redeemable noncontrolling interests	450,519			123,023													450,519
Distributions to noncontrolling interests and redeemable noncontrolling interests	(28,447)			(13,605)													(28,447)
Offering costs in connection with underwritten public offering	(437)								(437)					(437)
Net income (loss)	(184,651)			(118,650)									91,687	91,687
Net loss, Noncontrolling Interest	(394,988)																(276,338)
Other comprehensive income (loss), net of taxes	1,358											1,358		1,358
Ending Balance at Dec. 31, 2016	924,186						$ 10		$ 668,076			$ 437	$ 4,438	$ 672,961			$ 251,225
Ending Balance at Dec. 31, 2016	$ 137,907			$ 137,907
Ending Balance, (in shares) at Dec. 31, 2016							104,321