Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Consolidated Statements of Operations [Abstract]
Gross premiums written	$ 133,508	$ 124,440	$ 258,567	$ 240,522
Ceded premiums written	(39,203)	(50,737)	(73,888)	(83,898)
Net premiums written	94,305	73,703	184,679	156,624
Change in unearned premiums	(5,829)	4,343	(9,507)	3,999
Net premiums earned	88,476	78,046	175,172	160,623
Investment income, net of expenses	3,711	2,986	6,556	6,227
Net realized gains	3,439	(284)	4,023	(99)
Finance charges	1,482	1,383	2,781	2,767
Commission and fees	(110)	(1,309)	(101)	(1,599)
Other income	199	14	216	26
Total revenues	97,197	80,836	188,647	167,945
Losses and loss adjustment expenses	59,725	52,502	115,815	105,272
Other operating expenses	26,446	24,510	52,360	50,646
Interest expense	1,134	1,143	2,274	2,295
Amortization of intangible assets	617	639	1,234	1,278
Total expenses	87,922	78,794	171,683	159,491
Income before tax	9,275	2,042	16,964	8,454
Income tax expense	2,899	391	5,245	2,255
Net income	$ 6,376	$ 1,651	$ 11,719	$ 6,199
Net income per share:
Basic	$ 0.33	$ 0.09	$ 0.61	$ 0.32
Diluted	$ 0.33	$ 0.09	$ 0.60	$ 0.32