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Employee Benefit Plans (Reconciliation Of The Plan's Benefit Obligations, Fair Value Of Assets And The Funded Status) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Change in projected benefit obligation:      
Projected benefit obligation at beginning of period $ 74,172 $ 97,682  
Service cost 1,788 3,485 $ 4,196
Interest cost 3,421 2,588 2,202
Actuarial gain (loss) 3,507 (25,055)  
Benefits paid and plan expenses (4,638) (4,528)  
Prior year service costs due to plan amendments (3,905) 0  
Projected benefit obligation at end of period 74,345 74,172 97,682
Change in plan assets:      
Fair value of plan assets at beginning of period 73,276 104,227  
Actual return on plan assets 4,549 (26,422)  
Benefits paid and plan expenses (4,639) (4,529)  
Fair value of plan assets at end of period 73,186 73,276 $ 104,227
Funded status at end of period $ (1,159) $ (896)