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Lease Commitments Future Minimum Obligations (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Operating Leased Assets [Line Items]  
2015 $ 5,046us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 3,740us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 2,459us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018 1,091us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2019 269us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Later years 0us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Minimum future obligations $ 12,605us-gaap_OperatingLeasesFutureMinimumPaymentsDue