Income Taxes (Schedule of 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
Current provision (benefit) :
Federal	$ 10us-gaap_CurrentFederalTaxExpenseBenefit	$ (77)us-gaap_CurrentFederalTaxExpenseBenefit	$ (370)us-gaap_CurrentFederalTaxExpenseBenefit
State	10	29	14
Total current	20us-gaap_CurrentIncomeTaxExpenseBenefit	(48)us-gaap_CurrentIncomeTaxExpenseBenefit	(356)us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred provision (benefit):
Federal	798	(4,402)	(1,536)
State	39	254	(255)
Total deferred	837us-gaap_DeferredOtherTaxExpenseBenefit	(4,148)us-gaap_DeferredOtherTaxExpenseBenefit	(1,791)us-gaap_DeferredOtherTaxExpenseBenefit
Provision (benefit) for income taxes of continuing operations	$ 857us-gaap_IncomeTaxExpenseBenefit	$ (4,196)us-gaap_IncomeTaxExpenseBenefit	$ (2,147)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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Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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- Definition

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

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- Definition

Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods.

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- Definition

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

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