v3.26.1
Investments In Affiliated Companies, Partnerships And Other Companies Investment in affiliated companies, Partnership and Other Companies (Investment Under Fair Value Method) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Mar. 31, 2022
Schedule of Equity Method Investments [Line Items]              
Investment at fair value   $ 13,561 $ 24,862        
Company D              
Schedule of Equity Method Investments [Line Items]              
Investment at fair value   13,561 13,561        
Proceeds from sale   16,000          
Realized investment gains (losses)   12,000          
Company E              
Schedule of Equity Method Investments [Line Items]              
Investment at fair value   0 7,301        
Net gain (loss) related to revaluation   (7,300) (14,900) $ (1,300) $ 3,200 $ 4,800  
Additional investment     2,800 $ 3,600      
Company F              
Schedule of Equity Method Investments [Line Items]              
Investment at fair value   $ 0 4,000        
Company F | Elbit Systems Limited              
Schedule of Equity Method Investments [Line Items]              
Ownership percentage   25.00%          
Company G              
Schedule of Equity Method Investments [Line Items]              
Additional investment $ 1,400       $ 1,400    
Company G | Elbit Systems Limited              
Schedule of Equity Method Investments [Line Items]              
Ownership percentage   5.00%          
Company H              
Schedule of Equity Method Investments [Line Items]              
Net gain (loss) related to revaluation $ (4,000)   $ 0        
Additional investment             $ 2,000