CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Investments:
Fixed maturities, cost	$ 236,299	$ 238,626
Allowance for credit losses	0	0
Equity securities, cost	4,939	4,936
Other invested assets, cost	7,946	6,982
Receivables:
Reinsurance, allowance for uncollectible reinsurance	51	61
Insurance premiums and other, allowance for expected credit losses	$ 201	$ 217
Shareholders' equity:
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	4,000,000	4,000,000
Preferred stock, shares issued (in shares)	55,000	55,000
Preferred stock, shares outstanding (in shares)	55,000	55,000
Preferred stock, redemption value	$ 5,500	$ 5,500
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	22,400,894	22,400,894
Common stock, shares outstanding (in shares)	20,399,758	20,402,288
Treasury stock, at cost (in shares)	2,001,136	1,998,606