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Income Taxes (Summary of Income Tax Benefit (Provision)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income tax (provision) benefit	$ 7,589	$ 36,616	$ 2,604	$ 39,157
Continuing Operations [Member]
Total current income tax (provision) benefit	12,561	53,378	18,861	54,009
Total deferred income tax (provision) benefit	(4,972)	(16,762)	(16,257)	(14,852)
Income tax (provision) benefit	$ 7,589	$ 36,616	$ 2,604	$ 39,157

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

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