Income Taxes (Summary of Income Tax Benefit (Provision)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes [Abstract]
U.S. Federal	$ 25,567	$ 55,928	$ (1,212)
State and local	976	59,390	305
Foreign	(200)
Total current	26,343	115,318	(907)
U.S. Federal	(26,981)	(3,325)	(32,670)
State and local	(1,203)	(18,678)	(7,798)
Total deferred	(28,184)	(22,003)	(40,468)
Income tax (provision) benefit	$ (1,841)	$ 93,315	$ (41,375)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.