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
	Feb. 29, 2020	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net income (loss) attributable to FedNat Holding Company shareholders		$ 2,133	$ (3,865)
Weighted average number of common shares outstanding - basic		14,249	12,795
Net (loss) income per share - basic (in dollars per share)		$ 0.15	$ (0.30)
Dilutive effect of stock compensation plans		63	0
Weighted average number of common shares outstanding - diluted		14,312	12,795
Net (loss) income per share - diluted (in dollars per share)		$ 0.15	$ (0.30)
Dividends declared per share (in dollars per share)	$ 0.09	$ 0.09	$ 0.08