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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Future Minimum Rental Payments For Operating Leases [Line Items]  
2015 $ 1,427us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 1,169us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 1,011us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018 868us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2019 645us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Thereafter 3,751us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Operating Leases, Future Minimum Payments Due $ 8,871us-gaap_OperatingLeasesFutureMinimumPaymentsDue