Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues
Net premiums earned	$ 283,057	$ 270,639	$ 267,125
Net investment income	26,993	29,212	31,339
Net realized gains (losses) on investments	3,034	(576)	6,579
Net unrealized gains on equity securities	3,719	9,508	1,228
Fee and other income	449	260	582
Total revenues	317,252	309,043	306,853
Expenses
Loss and loss adjustment expenses incurred	169,937	157,267	148,263
Underwriting and certain other operating costs	27,625	24,876	27,508
Commissions	25,092	23,750	23,446
Salaries and benefits	33,264	31,503	27,359
Policyholder dividends	2,526	2,657	2,957
Provision for investment related credit loss benefit	(43)	(66)	(57)
Total expenses	258,401	239,987	229,476
Income before income taxes	58,851	69,056	77,377
Income tax expense	11,706	13,620	15,269
Net income	$ 47,145	$ 55,436	$ 62,108
Earnings per share
Basic	$ 2.48	$ 2.91	$ 3.24
Diluted	$ 2.47	$ 2.89	$ 3.23
Shares used in computing earnings per share
Basic	18,979,465	19,070,717	19,149,080
Diluted	19,082,142	19,159,805	19,226,021
Special cash dividends declared per common share	$ 1.00	$ 3.00	$ 3.50
Cash dividends declared per common share	$ 1.56	$ 1.48	$ 1.36