Income Taxes - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating Loss Carryforwards [Line Items]
Income tax (benefit) expense	$ (1,720)us-gaap_IncomeTaxExpenseBenefit	$ 593us-gaap_IncomeTaxExpenseBenefit
Tax effects of goodwill amortized for income tax purposes		294
Deferred tax (benefit) expense	(2,204)us-gaap_DeferredIncomeTaxExpenseBenefit	254us-gaap_DeferredIncomeTaxExpenseBenefit
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Deferred tax (benefit) expense	$ 484

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