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Commitments and Contingent Liabilities - Schedule of Future Minimum Lease Payments (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
2015 $ 2,622us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 2,425us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 2,107us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018 1,975us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2019 1,630us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Thereafter 10,192us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Total $ 20,951us-gaap_OperatingLeasesFutureMinimumPaymentsDue