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Commitments and Contingencies (Schedule Of Noncancellable Minimum Commitments) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
2015 $ 3,779us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 3,023us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 3,741us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018 6,704us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2019 and thereafter 43,601us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Operating leases, future minimum payments due $ 60,848us-gaap_OperatingLeasesFutureMinimumPaymentsDue