EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
EARNINGS PER SHARE [Abstract]
Net income attributable to Federated National Holding Company shareholders	$ 9,274	$ 10,593	$ 11,734	$ 9,284	$ 9,995	$ 7,227	$ 11,554	$ 8,423	$ 40,885	$ 37,199	$ 12,727
Weighted average number of common shares outstanding - basic (in shares)									13,729	12,082	8,506
Net income per share - basic (in dollars per share)	$ 0.67	$ 0.77	$ 0.86	$ 0.68	$ 0.73	$ 0.57	$ 1.04	$ 0.77	$ 2.98	$ 3.08	$ 1.50
Dilutive effect of stock compensation plans (in shares)									268	356	266
Weighted average number of common shares outstanding - diluted (in shares)									13,997	12,438	8,772
Net income per share - diluted (in dollars per share)									$ 2.92	$ 2.99	$ 1.45
Dividends per share (in dollars per share)	$ 0.18				$ 0.13				$ 0.18	$ 0.13	$ 0.11