Condensed Consolidated Statement of Stockholders' Equity / Members' Deficit (Unaudited) - 9 months ended Sep. 30, 2017 - USD ($) shares in Thousands, $ in Thousands	Total	Members' Deficit	Common Stock Class A	Common Stock Class B	Additional Paid-in Capital	Accumulated Deficit	Non-controlling Interests
Members' equity, beginning of the period at Dec. 31, 2016	$ (115,961)	$ (115,961)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(117,078)
Effect of Organizational Transactions					$ (174,255)
Adjustments to non-controlling interests					333		$ (300)
End of the period (in shares) at Sep. 30, 2017			15,513	117,236
Stockholders' equity, end of the period at Sep. 30, 2017	$ 227,476		$ 16	$ 117	$ 35,447	$ (7,419)	$ 199,315