CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total Shareholders' Equity Attributable to Federated National Holding Company Shareholders [Member]	Noncontrolling Interest [Member]
Balance (in shares) at Dec. 31, 2015		13,798,773
Balance, beginning of period at Dec. 31, 2015	$ 246,157	$ 138	$ 131,998	$ 3,985	$ 91,859	$ 227,980	$ 18,177
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to FedNat Holding Company shareholders	1,015				1,015
Net income (loss)	1,261					1,015	246
Other comprehensive income (loss)	(1,740)			(2,044)		(2,044)	304
Dividends declared	(4,677)				(4,677)	(4,677)
Shares issued under share-based compensation plans (in shares)		299,165
Shares issued under share-based compensation plans	361		361			361
Tax benefits from share-based compensation awards	589		589			589
Repurchases of common stock (in shares)		(624,818)
Repurchases of common stock	(11,317)	$ (4)			(11,313)	(11,317)
Share-based compensation	3,831		3,831			3,831
Balance (in shares) at Dec. 31, 2016		13,473,120
Balance, end of period at Dec. 31, 2016	234,465	$ 134	136,779	1,941	76,884	215,738	18,727
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to FedNat Holding Company shareholders	7,989				7,989
Net income (loss)	5,342					7,989	(2,647)
Other comprehensive income (loss)	(429)			(171)		(171)	(258)
Dividends declared	(4,251)				(4,251)	(4,251)
Shares issued under share-based compensation plans (in shares)		169,647
Shares issued under share-based compensation plans	103		103			103
Repurchases of common stock (in shares)		(654,520)
Repurchases of common stock	(10,617)	$ (4)			(10,613)	(10,617)
Share-based compensation	2,846		2,846			2,846
Balance (in shares) at Dec. 31, 2017		12,988,247
Balance, end of period at Dec. 31, 2017	227,459	$ 130	139,728	1,770	70,009	211,637	15,822
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to FedNat Holding Company shareholders	14,928				14,928
Net income (loss)	14,710					14,928	(218)
Other comprehensive income (loss)	(4,450)			(4,221)		(4,221)	(229)
Dividends declared	(3,120)				(3,120)	(3,120)
Acquisition of non-controlling interest	(16,685)		(1,005)	(305)		(1,310)	(15,375)
Shares issued under share-based compensation plans (in shares)		122,905
Shares issued under share-based compensation plans	39	$ 1	38			39
Repurchases of common stock (in shares)		(326,708)
Repurchases of common stock	(5,061)	$ (3)			(5,058)	(5,061)
Share-based compensation	2,367		2,367			2,367
Balance (in shares) at Dec. 31, 2018		12,784,444
Balance, end of period at Dec. 31, 2018	$ 215,259	$ 128	$ 141,128	$ (3,750)	$ 77,753	$ 215,259	$ 0