CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investments:
Fixed maturities, cost	$ 238,626	$ 236,766
Allowance for credit losses	0	0
Equity securities, cost	4,936	4,907
Other invested assets, cost	6,982	5,628
Receivables:
Reinsurance, allowance for uncollectible reinsurance	61	0
Insurance premiums and other, allowance for expected credit losses/allowance for doubtful accounts	$ 217	$ 177
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)	20,402,288	20,407,229
Treasury stock, at cost (in shares)	1,998,606	1,993,665