EARNINGS PER SHARE (Schedule of Calculation of Basic and Diluted Net Income Per Common Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		1 Months Ended	3 Months Ended		6 Months Ended
	May 08, 2019	Jan. 31, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Net income (loss) attributable to FedNat Holding Company shareholders			$ 7,110	$ 8,820	$ 3,245	$ 16,283
Weighted average number of common shares outstanding - basic			12,844	12,726	12,820	12,788
Net (loss) income per share - basic (in dollars per share)			$ 0.55	$ 0.69	$ 0.25	$ 1.27
Dilutive effect of stock compensation plans			39	120	56	101
Weighted average number of common shares outstanding - diluted			12,883	12,846	12,876	12,889
Net (loss) income per share - diluted (in dollars per share)			$ 0.55	$ 0.69	$ 0.25	$ 1.26
Dividends declared per share (in dollars per share)	$ 0.08	$ 0.08	$ 0.08	$ 0.08	$ 0.16	$ 0.16