Income Taxes (Components of Income Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
Federal	$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 0us-gaap_CurrentFederalTaxExpenseBenefit
State	0	0	0
Total current taxes	0us-gaap_CurrentIncomeTaxExpenseBenefit	0us-gaap_CurrentIncomeTaxExpenseBenefit	0us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred
Federal	3,714	21,276	(13,709)
State	537	14,628	(2,722)
Total deferred taxes	4,251us-gaap_DeferredIncomeTaxExpenseBenefit	35,904us-gaap_DeferredIncomeTaxExpenseBenefit	(16,431)us-gaap_DeferredIncomeTaxExpenseBenefit
Increase (decrease) in valuation allowance	(146,743)	(34,578)	15,392
Total income tax (benefit) expense - continuing operations	$ (142,492)us-gaap_IncomeTaxExpenseBenefit	$ 1,326us-gaap_IncomeTaxExpenseBenefit	$ (1,039)us-gaap_IncomeTaxExpenseBenefit

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

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

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