Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Consolidated Statements of Operations [Abstract]
Gross premiums written	$ 162,056	$ 144,037	$ 297,168	$ 272,484
Ceded premiums written	(61,162)	(48,794)	(107,755)	(89,615)
Net premiums written	100,894	95,243	189,413	182,869
Change in unearned premiums	(10,187)	(7,545)	(9,483)	(10,844)
Net premiums earned	90,707	87,698	179,930	172,025
Investment income, net of expenses	4,587	3,994	9,066	7,873
Net realized losses	(3,479)	(2,177)	(1,419)	(2,404)
Finance charges	936	1,348	1,989	2,789
Commission and fees	653	155	725	732
Other income	71	34	132	65
Total revenues	93,475	91,052	190,423	181,080
Losses and loss adjustment expenses	70,704	58,502	132,546	113,897
Other operating expenses	25,879	29,323	53,374	56,219
Interest expense	1,193	1,123	2,349	2,254
Amortization of intangible assets	617	617	1,234	1,234
Total expenses	98,393	89,565	189,503	173,604
(Loss) income before tax	(4,918)	1,487	920	7,476
Income tax (benefit) expense	(1,568)	421	284	2,336
Net (loss) income	$ (3,350)	$ 1,066	$ 636	$ 5,140
Net (loss) income per share:
Basic	$ (0.18)	$ 0.06	$ 0.03	$ 0.27
Diluted	$ (0.18)	$ 0.06	$ 0.03	$ 0.27