CONSOLIDATED STATEMENT OF STOCKHOLDERS' DEFICIT - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands	Total	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income	Noncontrolling Interests	Class A Common Stock	Class A Common Stock Common Stock	Class B Common Stock	Class B Common Stock Common Stock
Beginning balance at Dec. 31, 2015	$ (21,597)	$ 344,518	$ (366,459)	$ 7	$ (74)		$ 401		$ 10
Balance (in shares) at Dec. 31, 2015						40,064,000	40,064,000	988,000	988,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	5,116		5,125		(9)
Other comprehensive loss	(50)			(50)
Issuances of Class A common stock	188	184					$ 4
Issuances of Class A common stock (in shares)							436,000
Stock-based compensation	2,377	2,377
Contribution from noncontrolling interest holder	59				59
Ending balance at Sep. 30, 2016	$ (13,907)	$ 347,079	$ (361,334)	$ (43)	$ (24)		$ 405		$ 10
Balance (in shares) at Sep. 30, 2016						40,500,000	40,500,000	988,000	988,000