Income Tax Provision - Income tax provision from operations included in consolidated statements of operations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 379us-gaap_CurrentFederalTaxExpenseBenefit	$ 215us-gaap_CurrentFederalTaxExpenseBenefit
State	6	5
Total current tax	385us-gaap_CurrentIncomeTaxExpenseBenefit	220us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Federal	(2,039)	30
State	41	9
Total deferred tax	(1,998)us-gaap_DeferredIncomeTaxExpenseBenefit	39us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax provision, total	$ (1,613)us-gaap_IncomeTaxExpenseBenefit	$ 259us-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.