CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Series A Preferred Stock	Common Stock	Treasury Stock	Additional Paid-in-Capital	Retained Deficit	Total
Balance at Dec. 31, 2013	$ 3	$ 69	$ (664)	$ 871,667	$ (531,076)	$ 339,999
Increase (Decrease) in Stockholders' Equity
Share-based compensation		2		4,816		4,818
Acquisition of treasury stock			(1,491)			(1,491)
Net loss					(85,743)	(85,743)
Balance at Jun. 30, 2014	3	71	(2,155)	876,483	(616,819)	257,583
Balance at Dec. 31, 2014	3	70	(2,592)	882,528	(414,147)	465,862
Increase (Decrease) in Stockholders' Equity
Share-based compensation		3		3,756		3,759
Acquisition of treasury stock			(429)			(429)
Net loss					(791,989)	(791,989)
Balance at Jun. 30, 2015	$ 3	$ 73	$ (3,021)	$ 886,284	$ (1,206,136)	$ (322,797)