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Commitments and Contingencies (Future Minimum Commitments For Operating Leases) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
2015 $ 14,179us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 12,752us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 8,870us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018 3,701us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2019 514us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Thereafter $ 26us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter