v3.26.1
Benefit Plans And Obligations For Termination Indemnity (Components Of The Plans Net Periodic Pension Cost) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 1,950 $ 10,200 $ 5,578
Interest cost 25,851 24,605 29,429
Expected return on Plans’ assets (21,330) (17,742) (17,825)
Amortization of prior service cost $ 0 0 (1,246)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax    
Recognition of net actuarial gain $ 27,591 30,343 5,098
Total net periodic benefit cost (21,120) (13,280) 10,838
Accumulated benefit obligation 248,382 510,130 $ 561,350
Retiree Medical Plan      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 109 128  
Interest cost 66 58  
Amortization of net actuarial loss (157) (138)  
Total net periodic benefit cost $ 18 $ 48