Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	11 Months Ended	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Jan. 31, 2013
Current
Federal	$ (1,725)us-gaap_CurrentFederalTaxExpenseBenefit		$ (1,616)us-gaap_CurrentFederalTaxExpenseBenefit	$ (54,157)us-gaap_CurrentFederalTaxExpenseBenefit
State	2,287		6,547	(6,287)
Current income tax expense (benefit)	562us-gaap_CurrentIncomeTaxExpenseBenefit		4,931us-gaap_CurrentIncomeTaxExpenseBenefit	(60,444)us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred
Federal	13,172		(29,711)	48,258
State	(1,468)		7,584	(1,735)
Deferred income tax expense (benefit)	11,704us-gaap_DeferredIncomeTaxExpenseBenefit		(22,127)us-gaap_DeferredIncomeTaxExpenseBenefit	46,523us-gaap_DeferredIncomeTaxExpenseBenefit
Total income tax expense (benefit)	$ 12,266us-gaap_IncomeTaxExpenseBenefit	$ (12,430)us-gaap_IncomeTaxExpenseBenefit	$ (17,196)us-gaap_IncomeTaxExpenseBenefit	$ (13,921)us-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.