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Benefit Plans And Obligations For Termination Indemnity (Fair Value Of The Asset Values By Category) (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset $ 8,311 $ 301,816 $ 290,008
Cash      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset 4,453    
Money Market Funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset 3,858    
Mutual Funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset    
Quoted Prices In Active Markets For Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset 8,311    
Quoted Prices In Active Markets For Identical Assets (Level 1) | Cash      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset 4,453    
Quoted Prices In Active Markets For Identical Assets (Level 1) | Money Market Funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset 3,858    
Quoted Prices In Active Markets For Identical Assets (Level 1) | Mutual Funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset    
Significant Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset 0    
Significant Observable Inputs (Level 2) | Money Market Funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset 0    
Significant Observable Inputs (Level 2) | Mutual Funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset    
Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset 0    
Significant Unobservable Inputs (Level 3) | Money Market Funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset 0    
Significant Unobservable Inputs (Level 3) | Mutual Funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of the asset $ 0