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Commitments, Contingencies and Other Items (Future Minimum Payments, Operating Leases) (Details)
$ in Thousands
Dec. 31, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2016 $ 8,018
2017 7,448
2018 7,176
2019 6,545
2020 5,018
After 2020 9,831
Future minimum lease payments under existing operating leases $ 44,036