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Income Taxes (Components of Provision for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current provision:
Federal	$ 995us-gaap_CurrentFederalTaxExpenseBenefit	$ 69us-gaap_CurrentFederalTaxExpenseBenefit	$ 332us-gaap_CurrentFederalTaxExpenseBenefit
State	195	330	222
Total current provision	1,190us-gaap_CurrentIncomeTaxExpenseBenefit	399us-gaap_CurrentIncomeTaxExpenseBenefit	554us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred provision:
Federal	6,840	7,723	6,972
Total deferred provision	6,840us-gaap_DeferredIncomeTaxExpenseBenefit	7,723us-gaap_DeferredIncomeTaxExpenseBenefit	6,972us-gaap_DeferredIncomeTaxExpenseBenefit
Total income tax expense	$ 8,030us-gaap_IncomeTaxExpenseBenefit	$ 8,122us-gaap_IncomeTaxExpenseBenefit	$ 7,526us-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.