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Benefit Plans (Components of net periodic benefit cost) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Retirement Benefits [Abstract]      
Interest cost on benefit obligation $ 317 $ 224 $ 233
Expected return on plan assets (371) (490) (486)
Amortization of unrecognized actuarial net loss 149 216 222
Settlement loss 0 109 0
Net periodic cost for the year $ (95) $ (59) $ 31