Schedule II - Condensed Financial Information of Registrant, Condensed Statements of Earnings (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue [Abstract]
Net investment income									$ 9,063	$ 7,226	$ 5,385
Total revenue	$ 88,570	$ 83,790	$ 75,064	$ 68,960	$ 63,568	$ 72,599	$ 58,790	$ 54,936	316,384	249,893	200,692
Costs and expenses [Abstract]
General and administrative expenses									17,186	15,223	10,272
Total costs and expenses	104,590	82,250	73,249	53,562	49,123	54,974	40,151	40,452	313,651	184,700	143,385
Income before income taxes									2,733	65,193	57,307
Income taxes									2,683	24,753	20,108
Net income									50	40,440	37,199
Net income (loss) attributable to noncontrolling interest									246	(445)
Net (loss) income attributable to Federated National Holding Company shareholders	$ (12,116)	$ 1,394	$ 991	$ 9,535	$ 9,274	$ 10,593	$ 11,734	$ 9,284	(196)	40,885	37,199
Parent Company [Member]
Revenue [Abstract]
Management fees									2,492	2,489	2,387
Net investment income									623	609	417
Equity in income of consolidated subsidiaries									9,480	71,905	61,653
Total revenue									12,595	75,003	64,457
Costs and expenses [Abstract]
General and administrative expenses									9,862	9,810	7,150
Total costs and expenses									9,862	9,810	7,150
Income before income taxes									2,733	65,193	57,307
Income taxes									2,683	24,753	20,108
Net income									50	40,440	37,199
Net income (loss) attributable to noncontrolling interest									246	(445)
Net (loss) income attributable to Federated National Holding Company shareholders									$ (196)	$ 40,885	$ 37,199