Income Taxes (Benefit From (Provision) Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ (8,889)	$ (2,492)	$ (1,299)
State	(287)	(1,309)	(1,677)
Foreign	(2,456)	(863)	(226)
Total current	(11,632)	(4,664)	(3,202)
Deferred:
Federal	(10,726)	(26,388)	48,384
State	20,999	(3,920)	5,077
Foreign	(1)	(66)	(225)
Total deferred	10,272	(30,374)	53,236
Income tax provision (benefit)	$ (1,360)	$ (35,038)	$ 50,034