v3.25.2
Fair Value Option (Gains And Losses Due To Changes In Fair Value Of Investments) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]        
Gains (Losses) due to changes in fair value of investments $ 10,940 $ (20,363) $ 2,065 $ 4,580
Investments        
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]        
Gains (Losses) due to changes in fair value of investments 10,823 (20,349) 1,465 4,751
Fixed maturity securities        
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]        
Gains (Losses) due to changes in fair value of investments (8,423) (1,722) 8,984 (11,016)
Equity securities        
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]        
Gains (Losses) due to changes in fair value of investments 19,253 (18,693) (7,509) 15,805
Short-term investments        
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]        
Gains (Losses) due to changes in fair value of investments (7) 66 (10) (38)
Notes receivable        
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]        
Gains (Losses) due to changes in fair value of investments $ 117 $ (14) $ 600 $ (171)