Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
REVENUE:
Gross premiums written	$ 194,341	$ 155,985	$ 541,053	$ 425,183
Decrease in gross unearned premiums	(20,821)	(27,252)	(56,446)	(60,286)
Gross premiums earned	173,520	128,733	484,607	364,897
Ceded premiums earned	(53,299)	(44,730)	(148,837)	(122,394)
Net premiums earned	120,221	84,003	335,770	242,503
Investment income	2,663	2,413	7,786	6,725
Net realized gains (losses)	106	323	478	312
Other revenue	4,212	3,067	11,650	8,002
Total revenue	127,202	89,806	355,684	257,542
EXPENSES:
Losses and loss adjustment expenses	72,746	40,432	199,615	137,030
Policy acquisition costs	31,333	23,756	84,086	64,140
Operating expenses	5,558	4,329	15,326	12,679
General and administrative expenses	12,329	8,331	31,759	22,244
Interest expense	206	81	397	232
Total expenses	122,172	76,929	331,183	236,325
Income before other income	5,030	12,877	24,501	21,217
Other income	11	107	80	292
Income before income taxes	5,041	12,984	24,581	21,509
Provision for income taxes	1,618	4,901	8,366	7,953
Net income	3,423	8,083	16,215	13,556
OTHER COMPREHENSIVE INCOME:
Change in net unrealized gains (losses) on investments	(3,495)	641	10,305	(1,722)
Reclassification adjustment for net realized investment (gains) losses	(106)	(323)	(478)	(312)
Income tax benefit (expense) related to items of other comprehensive income	1,298	(123)	(3,776)	786
Total comprehensive income	$ 1,120	$ 8,278	$ 22,266	$ 12,308
Weighted-average shares outstanding
Weighted-average shares outstanding (in shares)	21,448,892	21,290,759	21,406,599	21,193,825
Weighted-average diluted shares (in shares)	21,643,401	21,528,546	21,604,135	21,427,398
Earnings Per Share
Basic earnings per share (in usd per share)	$ 0.16	$ 0.38	$ 0.76	$ 0.64
Diluted earnings per share (in usd per share)	0.16	0.38	0.75	0.63
Dividends declared per share (in usd per share)	$ 0.06	$ 0.05	$ 0.17	$ 0.15