Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues
Gross premiums written	$ 93,962	$ 86,137	$ 303,485	$ 281,075
Ceded premiums written	(3,823)	(4,519)	(10,655)	(13,576)
Net premiums written	90,139	81,618	292,830	267,499
Net premiums earned	95,928	81,596	278,677	243,288
Net investment income	6,495	6,947	20,048	20,266
Net realized gains/(losses) on investments	(152)	(654)	181	(1,921)
Fee and other income	65	114	227	393
Total revenues	102,336	88,003	299,133	262,026
Expenses
Loss and loss adjustment expenses incurred	61,822	57,046	185,570	169,860
Underwriting and certain other operating costs	7,822	6,634	24,624	21,472
Commissions	7,022	6,176	20,696	18,569
Salaries and benefits	6,183	5,662	18,090	16,971
Policyholder dividends	139	38	340	980
Total expenses	82,988	75,556	249,320	227,852
Income before income taxes	19,348	12,447	49,813	34,174
Income tax expense	5,869	2,748	13,012	7,980
Net income	13,479	9,699	36,801	26,194
Net income available to common shareholders	$ 13,479	$ 9,673	$ 36,801	$ 26,122
Earnings per share
Basic	$ 0.72	$ 0.53	$ 1.98	$ 1.42
Diluted	$ 0.71	$ 0.52	$ 1.95	$ 1.39
Shares used in computing earnings per share
Basic	18,676,033	18,395,971	18,603,227	18,343,901
Diluted	18,929,777	18,758,346	18,905,880	18,730,729
Extraordinary cash dividends declared per common share			$ 0.50
Cash dividends declared per common share	$ 0.12	$ 0.08	$ 0.36	$ 0.24