Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Available-for-sale Debt securities, Amortized cost	$ 475,170	$ 387,687
Available-for-sale Debt securities, Allowance for credit losses	0	0
Equity securities, cost	47,852	44,011
Premiums Receivable, Allowance	3,443	3,152
Paid losses and loss adjustments allowance	0	0
Unpaid losses and loss adjustments allowance	$ 69	$ 118
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	10,276,463	9,738,183
Common stock, outstanding	10,276,463	9,738,183