Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating activities
Net income	$ 47,145	$ 55,436	$ 62,108
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	742	1,093	1,427
Net amortization of investments	563	1,447	3,025
Change in investment related allowance for credit losses	(43)	(66)	(57)
Deferred income taxes	372	1,402	628
Net realized (gains) losses on investments	(3,034)	576	(6,579)
Net unrealized gains on equity securities	(3,719)	(9,508)	(1,228)
Net realized losses on disposal of assets	0	209	2
Share-based compensation	2,907	2,939	1,557
Changes in operating assets and liabilities:
Premiums receivable, net	(18,238)	(12,056)	(8,485)
Accrued interest receivable	364	947	154
Deferred policy acquisition costs	(1,934)	(1,176)	(574)
Amounts held by others	(2)
Other assets	(135)	6,688	(1,033)
Reserves for loss and loss adjustment expenses	(37,726)	(22,685)	(22,043)
Unearned premiums	13,577	5,341	1,609
Reinsurance balances	9,129	11,926	(3,740)
Amounts held for others and policyholder deposits	147	(15,692)	3,093
Federal income taxes recoverable	(908)	(399)	(328)
Accounts payable and other liabilities	1,863	(2,232)	306
Net cash provided by operating activities	11,070	24,190	29,842
Investing activities
Purchases of investments held-to-maturity		(5,465)	(42,190)
Purchases of investments available-for-sale	(43,123)	(48,939)	(45,141)
Purchases of equity securities	(254)
Purchases of short-term investments	(23,623)	(56,295)	(46,347)
Proceeds from maturities of investments held-to-maturity	65,020	71,066	47,151
Proceeds from sales and maturities of investments available-for-sale	45,371	57,194	57,153
Proceeds from sales of equity securities	8,232	7,933	12,688
Proceeds from sales and maturities of short-term investments	18,948	47,717	61,123
Purchases of property and equipment	(2,148)	(840)	(553)
Net cash provided by investing activities	68,423	72,371	43,884
Financing activities
Finance lease purchases	(85)	(85)	(91)
Share-based compensation related tax withholding	(817)	(554)	(944)
Purchase of treasury stock	(12,103)	(5,123)	(2,171)
Dividends to shareholders	(48,607)	(85,436)	(93,307)
Net cash used in financing activities	(61,612)	(91,198)	(96,513)
Change in cash and cash equivalents	17,881	5,363	(22,787)
Cash and cash equivalents at beginning of year	44,045	38,682	61,469
Cash and cash equivalents at end of year	61,926	44,045	38,682
Supplemental disclosure of cash flow information
Income taxes paid, net of refunds received	$ 12,450	$ 12,849	$ 14,912