Consolidated Statements of Stockholders' Equity (Deficit) - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Retained Deficit
Beginning Balance (in shares) at Dec. 31, 2015		43,500,032
Beginning Balance at Dec. 31, 2015	$ 106,338	$ 435	$ 374,729	$ (12,014)	$ (256,812)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances of restricted stock	0		(5,135)	5,135
Amortization of share-based compensation	7,355		7,355
Purchase of treasury stock	(640)			(640)
Net loss	(265,319)				(265,319)
Ending Balance (in shares) at Sep. 30, 2016		43,500,032
Ending Balance at Sep. 30, 2016	$ (152,266)	$ 435	$ 376,949	$ (7,519)	$ (522,131)