CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Investments:
Fixed maturities, cost	$ 222,969	$ 219,233
Equity securities, cost	6,400	7,168
Other invested assets, cost	9,908	9,908
Receivables:
Insurance premiums and other, allowance for doubtful accounts	$ 198	$ 183
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)	20,414,279	20,472,162
Treasury stock, at cost (in shares)	1,986,615	1,928,732