Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
REVENUE:
Gross premiums written	$ 162,582	$ 128,920	$ 269,198	$ 217,921
Increase in gross unearned premiums	(41,600)	(31,697)	(33,034)	(25,687)
Gross premiums earned	120,982	97,223	236,164	192,234
Ceded premiums earned	(40,530)	(33,039)	(77,664)	(64,016)
Net premiums earned	80,452	64,184	158,500	128,218
Investment income	2,239	1,617	4,312	3,084
Net realized gains (losses)	(133)	31	(11)	45
Other revenue	2,782	1,872	4,935	3,864
Total revenue	85,340	67,704	167,736	135,211
EXPENSES:
Losses and loss adjustment expenses	44,627	28,792	96,598	56,465
Policy acquisition costs	21,198	16,197	40,384	31,377
Operating expenses	4,809	2,858	8,350	5,367
General and administrative expenses	6,512	4,335	13,913	8,685
Interest expense	68	112	151	227
Total expenses	77,214	52,294	159,396	102,121
Income before other income	8,126	15,410	8,340	33,090
Other income	61	0	185	16
Income before income taxes	8,187	15,410	8,525	33,106
Provision for income taxes	2,912	5,820	3,052	12,127
Net income	5,275	9,590	5,473	20,979
OTHER COMPREHENSIVE INCOME:
Change in net unrealized gains (losses) on investments	(4,892)	3,323	(2,363)	5,650
Reclassification adjustment for net realized investment (gains) losses	133	(31)	11	(45)
Income tax benefit (expense) related to items of other comprehensive income	1,839	(1,272)	909	(2,166)
Total comprehensive income	$ 2,355	$ 11,610	$ 4,030	$ 24,418
Weighted average shares outstanding
Weighted-average shares outstanding (in shares)	21,255,496	20,735,135	21,145,624	19,105,666
Weighted-average diluted shares (in shares)	21,508,511	20,845,694	21,376,540	19,203,805
Earnings per share
Basic earnings per share (in usd per share)	$ 0.25	$ 0.46	$ 0.26	$ 1.10
Diluted earnings per share (in usd per share)	0.25	0.46	0.26	1.09
Dividends declared per share (in usd per share)	$ 0.05	$ 0.04	$ 0.1	$ 0.08