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Employee Benefit Plans (Schedule Of Expected Benefit Payments For The Next Ten Years) (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Compensation and Retirement Disclosure [Abstract]  
2017 $ 2,139
2018 2,154
2019 2,268
2020 2,290
2021 2,480
2022-2026 $ 14,477