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Income Taxes - Schedule of 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:
State	$ 350	$ 519	$ 765
Foreign	2,772us-gaap_CurrentForeignTaxExpenseBenefit	2,572us-gaap_CurrentForeignTaxExpenseBenefit	199us-gaap_CurrentForeignTaxExpenseBenefit
Current tax	3,122us-gaap_CurrentIncomeTaxExpenseBenefit	3,091us-gaap_CurrentIncomeTaxExpenseBenefit	964us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Foreign	69	(457)	2,243
Deferred tax	69us-gaap_DeferredIncomeTaxExpenseBenefit	(457)us-gaap_DeferredIncomeTaxExpenseBenefit	2,243us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax provision	$ 3,191us-gaap_IncomeTaxExpenseBenefit	$ 2,634us-gaap_IncomeTaxExpenseBenefit	$ 3,207us-gaap_IncomeTaxExpenseBenefit

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 foreign 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.