CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Class A Common Stock	Paid-in Capital	Other Comprehensive Loss	Accumulated Deficit	Total
Balances at Dec. 31, 2012	$ 3,597	$ 2,062,751		$ (1,734,989)	$ 331,359
Balances (in shares) at Dec. 31, 2012	359,676,000
Increase (decrease) in stockholders equity
Additional paid-in capital from refund under tax sharing agreement		67			67
Net income	$ 0	0	$ 0	67,715	67,715
Balances at Dec. 31, 2013	$ 3,597	2,062,818		(1,667,274)	399,141
Balances (in shares) at Dec. 31, 2013	359,676,000
Increase (decrease) in stockholders equity
Net income	$ 0	0	0	94,497	94,497
Balances at Dec. 31, 2014	$ 3,597	2,062,818		(1,572,777)	$ 493,638
Balances (in shares) at Dec. 31, 2014	359,676,000				359,675,936
Increase (decrease) in stockholders equity
Net income	$ 0	0	0	86,083	$ 86,083
Balances at Dec. 31, 2015	$ 3,597	$ 2,062,818	(158)	$ (1,486,694)	$ 579,563
Balances (in shares) at Dec. 31, 2015	359,676,000				359,675,936
Increase (decrease) in stockholders equity
Accumulated other comprehensive loss, net of tax			$ (158)		$ (158)