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Income Taxes (Components of income tax expense (benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract
Current Income Tax Expense Benefit	$ 13,097us-gaap_CurrentIncomeTaxExpenseBenefit	$ 2,357us-gaap_CurrentIncomeTaxExpenseBenefit	$ 1,788us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred Income Tax Expense (Benefit)	24,155us-gaap_DeferredIncomeTaxExpenseBenefit	(11,066)us-gaap_DeferredIncomeTaxExpenseBenefit	1,513us-gaap_DeferredIncomeTaxExpenseBenefit
Income Tax Expense (Benefit)	$ 37,252us-gaap_IncomeTaxExpenseBenefit	$ (8,709)us-gaap_IncomeTaxExpenseBenefit	$ 3,301us-gaap_IncomeTaxExpenseBenefit

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.