Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Fixed maturity securities, held-to-maturity, allowance for credit losses	$ 73,000	$ 116,000
Fixed maturity securities, fair value	344,576,000	399,721,000
Fixed maturity securities, available-for-sale, allowance for credit losses	0	0
Fixed maturity securities, amortized cost	317,116,000	318,975,000
Equity securities, cost	31,165,000	36,020,000
Amounts recoverable from reinsurers, allowance for credit losses	264,000	300,000
Premiums receivable, allowance for credit losses	$ 4,172,000	$ 4,238,000	$ 4,674,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	20,769,021	20,733,166
Common stock, shares outstanding	18,794,881	19,050,315
Treasury stock, shares	1,974,140	1,682,851