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Pension And Other Liabilities (Schedule Of The Components Of Net Periodic Benefit Cost And Other Amounts Recognized In Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Pension And Other Liabilities [Abstract]    
Interest cost $ 180 $ 180
Amortization of prior service costs
Amortization of net actuarial gain 154 127
Net periodic benefit cost 334 307
Amortization of net loss (154) (127)
Total recognized in other comprehensive income (154) (127)
Total recognized in net periodic benefit cost and other comprehensive income $ 180 $ 180