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Financial Commitments (Future Minimum Rent Payments under Non-Cancelable Operating Leases) (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Financial Commitments [Abstract]  
2017 $ 22,950
2018 13,612
2019 9,983
2020 7,417
2021 5,455
Thereafter 19,260
Subtotal 78,677
Less - Sublease rental agreements (3,150)
Total $ 75,527