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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Available-for-sale securities, allowance for credit loss $ 566 $ 920
Available for sale debt securities, amortized cost 1,162,919 1,152,852
Equity securities, amortized cost 91,052 102,431
Other investments, as fair value $ 4,794 $ 0
Cumulative convertible preferred stock, par value (in USD per share) $ 0.01 $ 0.01
Cumulative convertible preferred stock, shares authorized (in shares) 1,000,000 1,000,000
Cumulative convertible preferred stock, shares issued (in shares) 10,000 10,000
Cumulative convertible preferred stock, shares outstanding (in shares) 10,000 10,000
Cumulative convertible preferred stock, minimum liquidation preference (in USD per share) $ 9.99 $ 9.99
Common stock, par value (in USD per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 55,000,000 55,000,000
Common stock, shares issued (in shares) 47,269,000 47,179,000
Common stock, shares outstanding (in shares) 28,966,000 30,389,000
Treasury stock, shares (in shares) 18,303,000 16,790,000