Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Commitments And Contingencies (Schedule Of Minimum Payments Under Lease Agreements) (Details)

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Commitments And Contingencies (Schedule Of Minimum Payments Under Lease Agreements) (Details) - Property Rental Agreements [Member]
$ in Thousands
Dec. 31, 2015
USD ($)
Operating Leased Assets [Line Items]  
2016 $ 10,828
2017 13,908
2018 11,800
2019 9,657
2020 9,732
Thereafter 65,253
Head lease payments $ 121,178