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Employee Benefit Plans (Components of Net Periodic Benefit Cost) (Details) - Pension Benefits [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Interest cost $ 944 $ 1,430
Expected return on plan assets (2,335) (2,438)
Amortization of unrecognized net loss (gain) 621 562
Total net periodic benefit cost $ (770) $ (446)