Income Taxes Components of Income Tax Expense (Benefit) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Current
Federal	$ 6,305us-gaap_CurrentFederalTaxExpenseBenefit
State	948
Total	7,253us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred
Federal	28,968
State	4,356
Total	33,324us-gaap_DeferredIncomeTaxExpenseBenefit
Total benefit from income taxes	$ 40,577us-gaap_IncomeTaxExpenseBenefit

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.