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Employee Benefit Plans (Amounts Not Yet Reflected In Net Periodic Benefit Cost And Included In Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Accumulated income (loss) $ (67,729) $ (91,979)  
Accumulated other comprehensive income (loss) (67,729) (91,979) $ (97,466)
Post-Retirement Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Accumulated income (loss) 2,191 (3,854)  
Accumulated prior service credit (cost) 1,750 2,327  
Accumulated other comprehensive income (loss) $ 3,941 $ (1,527) $ 3,092