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Employee Benefit Plans (Amounts Recognized in Accumulated Other Comprehensive Loss) (Details) - Pension Benefits [Member] - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Net actuarial loss (gain) $ 11,803 $ 18,045
Amount recognized in accumulated other comprehensive loss $ 11,803 $ 18,045