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Contingent Liabilities (Schedule Of Current Minimum Annual Rental Commitments Under Non-Cancelable Leases) (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
2019 $ 545
2020 426
2021 353
2022 317
2023 314
Thereafter 361
Total $ 2,316