v3.26.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Fixed maturity securities, available-for-sale, amortized cost $ 18,207,316  
Equity securities, cost 4,125,927 $ 4,094,745
Senior long-term debt and other debt, fair value 3,836,000 3,856,000
Fixed Maturity Securities [Member]    
Fixed maturity securities, available-for-sale, amortized cost $ 18,207,316 $ 17,895,918