Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues
Gross premiums written	$ 85,324	$ 87,035	$ 276,368	$ 269,152
Ceded premiums written	(2,283)	(1,992)	(6,982)	(6,581)
Net premiums written	83,041	85,043	269,386	262,571
Net premiums earned	85,184	85,118	261,489	258,779
Net investment income	7,884	7,788	22,396	21,969
Net realized losses on investments	(329)	(192)	(1,471)	(761)
Net unrealized gains on equity securities	573		259
Fee and other income	217	90	411	284
Total revenues	93,529	92,804	283,084	280,271
Expenses
Loss and loss adjustment expenses incurred	47,598	48,394	152,836	151,038
Underwriting and certain other operating costs	8,011	7,218	23,842	23,363
Commissions	6,416	6,030	19,526	18,424
Salaries and benefits	6,179	6,033	18,786	18,899
Policyholder dividends	865	1,573	3,290	4,107
Total expenses	69,069	69,248	218,280	215,831
Income before income taxes	24,460	23,556	64,804	64,440
Income tax expense	4,759	6,979	11,978	18,858
Net income	$ 19,701	$ 16,577	$ 52,826	$ 45,582
Earnings per share
Basic	$ 1.03	$ 0.86	$ 2.75	$ 2.38
Diluted	$ 1.02	$ 0.86	$ 2.74	$ 2.37
Shares used in computing earnings per share
Basic	19,216,545	19,171,912	19,204,196	19,161,529
Diluted	19,272,984	19,236,114	19,281,036	19,235,955
Cash dividends declared per common share	$ 0.22	$ 0.20	$ 0.66	$ 0.60