Business Combinations - Pro Forma Statement of Loss (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended	9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Premiums earned		$ 67,508	$ 54,369		$ 197,423	$ 161,971
Commission and fee income		18,974	10,097		42,252	29,323
Investment income		1,144	1,142		3,695	3,936
Net realized gains (losses) on investments, available-for-sale		(6)	(4)		(13)	36
Total revenues		87,620	65,604		243,357	195,266
Costs and expenses:
Losses and loss adjustment expenses		57,367	41,440		160,304	119,323
Insurance operating expenses		29,309	20,624		78,039	65,739
Other operating expenses		295	244		881	722
Litigation settlement			30		3,645	106
Stock-based compensation		37	39		109	151
Depreciation			423		1,224	1,303
Amortization of identifiable intangibles assets		254			261
Interest expense		1,052	427		1,924	1,275
Total costs and expenses		92,144	63,227		246,387	188,619
Income (loss) before income taxes		(4,524)	2,377		(3,030)	6,647
Provision (benefit) for income taxes		(1,506)	257		(813)	547
Net income (loss)		$ (3,018)	$ 2,120		$ (2,217)	$ 6,100
Net income (loss) per share:
Basic		$ (0.07)	$ 0.05		$ (0.05)	$ 0.15
Diluted		$ (0.07)	$ 0.05		$ (0.05)	$ 0.15
Number of shares used to calculate net income (loss) per share:
Basic		41,041	40,995		41,026	40,981
Diluted		41,041	41,297		41,026	41,285
Titan Agencies Historical
Revenues:
Commission and fee income			$ 7,223	$ 14,547		$ 21,926
Total revenues			7,223	14,547		21,926
Costs and expenses:
Insurance operating expenses			6,377	14,555		21,073
Total costs and expenses			6,377	14,555		21,073
Income (loss) before income taxes			846	(8)		853
Provision (benefit) for income taxes			338	(3)		341
Net income (loss)			508	$ (5)		512
Pro Forma Adjustments
Costs and expenses:
Insurance operating expenses	[1]				$ (180)
Depreciation	[2]		25		50	75
Amortization of identifiable intangibles assets	[3]		228		387	715
Interest expense	[4]		613		1,193	1,820
Total costs and expenses			866		1,450	2,610
Income (loss) before income taxes			(866)		(1,450)	(2,610)
Provision (benefit) for income taxes	[5]		(346)		(580)	(1,044)
Net income (loss)			(520)		(870)	(1,566)
Pro Forma Combined
Revenues:
Premiums earned			54,369		197,423	161,971
Commission and fee income			17,320		56,799	51,249
Investment income			1,142		3,695	3,936
Net realized gains (losses) on investments, available-for-sale			(4)		(13)	36
Total revenues			72,827		257,904	217,192
Costs and expenses:
Losses and loss adjustment expenses			41,440		160,304	119,323
Insurance operating expenses			27,001		92,414	86,812
Other operating expenses			244		881	722
Litigation settlement			30		3,645	106
Stock-based compensation			39		109	151
Depreciation			448		1,274	1,378
Amortization of identifiable intangibles assets			228		648	715
Interest expense			1,040		3,117	3,095
Total costs and expenses			70,470		262,392	212,302
Income (loss) before income taxes			2,357		(4,488)	4,890
Provision (benefit) for income taxes			249		(1,396)	(156)
Net income (loss)			$ 2,108		$ (3,092)	$ 5,046
Net income (loss) per share:
Basic			$ 0.05		$ (0.08)	$ 0.12
Diluted			$ 0.05		$ (0.08)	$ 0.12
Number of shares used to calculate net income (loss) per share:
Basic			40,995		41,026	40,981
Diluted			41,297		41,026	41,285

[1] (a) Elimination of acquisition costs incurred

[2] (a) Depreciation expense related to acquired tangible asset

[3] Amortization expense related to acquired identifiable intangible asset

[4] (a) Interest expense related to acquisition financing

[5] Calculated income tax effect of pro forma adjustments at the estimated combined federal and state statutory rate of 40%