Income Taxes (Income Before Income Taxes and Provision for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income (loss) from continuing operations before income tax provision (benefit)
Domestic	$ (74,402)	$ 54,630	$ 53,167
Foreign	(2,171)	1,090	4,861
Total	(76,573)	55,720	58,028
Current income tax provision (benefit):
Federal	2,778us-gaap_CurrentFederalTaxExpenseBenefit	15,392us-gaap_CurrentFederalTaxExpenseBenefit	(1,811)us-gaap_CurrentFederalTaxExpenseBenefit
State	(472)	1,965	1,474
Foreign	586us-gaap_CurrentForeignTaxExpenseBenefit	1,559us-gaap_CurrentForeignTaxExpenseBenefit	1,556us-gaap_CurrentForeignTaxExpenseBenefit
Total current	2,892us-gaap_CurrentIncomeTaxExpenseBenefit	18,916us-gaap_CurrentIncomeTaxExpenseBenefit	1,219us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred income tax provision (benefit):
Federal	(38,829)	(5,490)	14,107
State	(1,817)	(1,141)	668
Foreign	(701)	(1,015)	(129)
Total deferred	(41,347)us-gaap_DeferredIncomeTaxExpenseBenefit	(7,646)us-gaap_DeferredIncomeTaxExpenseBenefit	14,646us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax provision	$ (38,455)us-gaap_IncomeTaxExpenseBenefit	$ 11,270us-gaap_IncomeTaxExpenseBenefit	$ 15,865us-gaap_IncomeTaxExpenseBenefit

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