v3.26.3
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Statement of Financial Position [Abstract]    
Fixed income securities, held-to-maturity, fair value $ 20,984 $ 23,939
Fixed income securities, available-for-sale, allowance for credit loss 51,561 31,287
Fixed income securities, available-for-sale, amortized cost 10,382,993 9,576,878
Commercial mortgage loans, fair value 279,076 274,895
Equity securities, cost 341,199 370,104
Property and equipment, accumulated depreciation and amortization $ 317,147 $ 297,211
Preferred stock, par or stated value (in dollars per share) $ 0 $ 0
Preferred stock, authorized (in shares) 5,000,000 5,000,000
Preferred stock, issued (in shares) 8,000 8,000
Preferred stock, liquidation preference (in dollars per share) $ 25,000 $ 25,000
Common stock, par or stated value (in dollars per share) $ 2 $ 2
Common stock, authorized (in shares) 360,000,000 360,000,000
Common stock, issued (in shares) 106,283,523 106,006,544
Treasury stock, common (in shares) 47,288,070 45,930,091