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Pension (Schedule Of Net Periodic Pension Costs) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Pension [Abstract]    
Service cost $ 86 $ 99
Interest cost 168 87
Expected return on plan assets (249) (274)
Settlement expense   108
Recognized net actuarial loss 150 285
Total pension expense $ 155 $ 305