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Benefit Plans (Schedule Of Net Benefit Costs) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Benefit Plans [Abstract]    
Service cost $ 342 $ 419
Interest cost 672 374
Expected return on plan assets (994) (1,115)
Recognized net actuarial loss 598 1,135
Net periodic pension cost 618 813
Settlement expense 290 425
Total pension expense $ 908 $ 1,238