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Intangible Assets and Goodwill (Details 2) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Finite lived intangible assets future amortization expense    
2015 $ 28,827us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths  
2016 22,061us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
2017 10,949us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
2018 8,321us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
2019 5,257us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
Thereafter 6,758us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive  
Net Carrying Amount $ 82,173us-gaap_FiniteLivedIntangibleAssetsNet $ 120,387us-gaap_FiniteLivedIntangibleAssetsNet