Condensed Consolidated Statements of Stockholders' Deficit Statement - USD ($) $ in Thousands	Total	Common Stock Including Additional Paid in Capital [Member]	Accumulated Deficit [Member]	AOCI Attributable to Parent [Member]
Stockholders' Deficit	$ (1,490,100)	$ 14,990,011	$ (16,477,490)	$ (2,621)
Stock-based compensation expense		24,448
Stock Issued During Period, Value, Employee Stock Purchase Plan		8,296
Stock Repurchased During Period, Value		(429,826)
Net Income	486,595		486,595
Other Comprehensive Income (Loss), Net of Tax	263			263
Stockholders' Deficit	(1,409,114)	14,734,618	(16,143,374)	(358)
Stock-based compensation expense		12,514
Stock Issued During Period, Value, Employee Stock Purchase Plan		0
Stock Repurchased During Period, Value		(154,203)
Net Income			152,479
Other Comprehensive Income (Loss), Net of Tax	(2,000)			(2,000)
Stockholders' Deficit	(1,400,324)	14,592,929	(15,990,895)	(2,358)
Stockholders' Deficit	(1,390,198)	14,275,160	(15,662,602)	(2,756)
Stock-based compensation expense		27,463
Stock Issued During Period, Value, Employee Stock Purchase Plan		8,101
Stock Repurchased During Period, Value		(361,199)
Net Income	298,126		298,126
Other Comprehensive Income (Loss), Net of Tax	(78)			(78)
Stockholders' Deficit	(1,403,760)	14,111,235	(15,512,248)	(2,747)
Stock-based compensation expense		14,075
Stock Issued During Period, Value, Employee Stock Purchase Plan		0
Stock Repurchased During Period, Value		(175,785)
Net Income			147,772
Other Comprehensive Income (Loss), Net of Tax	(87)			(87)
Stockholders' Deficit	$ (1,417,785)	$ 13,949,525	$ (15,364,476)	$ (2,834)