Unaudited Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues
Net premiums earned	$ 64,448	$ 54,853	$ 187,321	$ 176,059
Net investment income	2,192	2,343	6,587	7,196
Commissions and other income	1,519	1,263	4,441	4,390
Net realized gains on investments, excluding impairment losses	1,434	9,192	16,574	9,465
Total other-than-temporary impairment losses on investments	(4)	(411)	(78)	(756)
Totals	1,430	8,781	16,496	8,709
Total revenue	69,589	67,240	214,845	196,354
Expenses
Losses and loss expenses incurred	36,967	30,477	109,843	99,119
Other operating expenses	20,930	19,209	63,369	57,423
Total expenses	57,897	49,686	173,212	156,542
Income before federal income taxes	11,692	17,554	41,633	39,812
Federal income taxes	3,921	5,867	14,012	12,569
Net income	$ 7,771	$ 11,687	$ 27,621	$ 27,243
Per share data:
Basic and diluted earnings (in dollars per share)	$ 0.52	$ 0.78	$ 1.85	$ 1.83
Dividends paid to shareholders (in dollars per share)	$ 0.25	$ 0.25	$ 0.75	$ 0.75
Reconciliation of shares outstanding:
Average shares outstanding - basic (in shares)	14,918	14,846	14,902	14,836
Dilutive effect of share equivalents (in shares)	3	21	19	20
Average shares outstanding - diluted (in shares)	14,921	14,867	14,921	14,856