v3.26.3
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Fixed maturity securities, available-for-sale, amortized cost $ 18,182,889  
Equity securities, cost 4,131,183 $ 4,094,745
Senior long-term debt and other debt, fair value 3,632,000 3,856,000
Fixed Maturity Securities [Member]    
Fixed maturity securities, available-for-sale, amortized cost $ 18,182,889 $ 17,895,918