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Income Taxes - Schedule of Components of Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax [Line Items]
Current tax provision	$ 1,459us-gaap_CurrentIncomeTaxExpenseBenefit	$ 1,060us-gaap_CurrentIncomeTaxExpenseBenefit	$ 1,131us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred tax provision (benefit):	10,963us-gaap_DeferredIncomeTaxExpenseBenefit	(5,427)us-gaap_DeferredIncomeTaxExpenseBenefit	8,422us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax provision (benefit)	12,422us-gaap_IncomeTaxExpenseBenefit	(4,367)us-gaap_IncomeTaxExpenseBenefit	9,553us-gaap_IncomeTaxExpenseBenefit
United States Federal
Income Tax [Line Items]
Current tax provision	0	0	0
Deferred tax provision (benefit):	13,402	7,505	2,150
United States And Local
Income Tax [Line Items]
Current tax provision	907	213	802
Deferred tax provision (benefit):	1,971	1,027	299
Foreign
Income Tax [Line Items]
Current tax provision	552	847	329
Deferred tax provision (benefit):	$ (4,410)	$ (13,959)	$ 5,973

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

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