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Intangible Assets Future Amortization of Finite Lived Intangibles (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]    
2014 $ 12,901,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths  
2015 12,747,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
2016 10,714,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
2017 4,870,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
2018 790,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
Thereafter 1,202,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive  
Total estimated future amortization expense $ 43,224,000us-gaap_FiniteLivedIntangibleAssetsNet $ 56,510,000us-gaap_FiniteLivedIntangibleAssetsNet