CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Preferred Stock	Total Shareholders' Equity Attributable to Federated National Holding Company Shareholders	Additional Paid-in Capital	Other Comprehensive Income (Loss)	Retained Earnings	Noncontrolling Interest
Balance (in shares) at Dec. 31, 2017		12,988,247	0
Balance at Dec. 31, 2017	$ 227,459	$ 130		$ 211,637	$ 139,728	$ 1,770	$ 70,009	$ 15,822
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	24,015			24,233			24,233	(218)
Shares issued under share-based compensation plans	(6,601)			(6,372)		(6,372)		(229)
Dividends declared	(2,077)			(2,077)			(2,077)
Acquisition of non-controlling interest	16,685			1,310	1,005	305		15,375
Shares issued under share-based compensation plans (in shares)		112,905
Shares issued under share-based compensation plans	39	$ 1		39	38
Repurchases of common stock (in shares)		(326,708)
Repurchases of common stock	(5,061)	$ (3)		(5,061)			(5,058)
Share-based compensation	1,847			1,847	1,847
Balance (in shares) at Sep. 30, 2018		12,774,444	0
Balance at Sep. 30, 2018	222,936	$ 128		222,936	140,608	(5,901)	88,101	0
Balance (in shares) at Jun. 30, 2018		12,731,777	0
Balance at Jun. 30, 2018	215,028	$ 127		215,028	140,102	(5,350)	80,149	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	7,950			7,950			7,950	0
Shares issued under share-based compensation plans	(551)			(551)		(551)		0
Dividends declared	2			2			2
Shares issued under share-based compensation plans (in shares)		42,667
Shares issued under share-based compensation plans	23	$ 1		23	22
Share-based compensation	484			484	484
Balance (in shares) at Sep. 30, 2018		12,774,444	0
Balance at Sep. 30, 2018	222,936	$ 128		222,936	140,608	(5,901)	88,101	0
Balance (in shares) at Dec. 31, 2018		12,784,444	0
Balance at Dec. 31, 2018	215,259	$ 128		215,259	141,128	(3,750)	77,753	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	7,904			7,904			7,904
Shares issued under share-based compensation plans	15,398			15,398		15,398
Dividends declared	(3,133)			(3,133)			(3,133)
Shares issued under share-based compensation plans (in shares)		84,922
Shares issued under share-based compensation plans	1	$ 1		1	0
Share-based compensation	1,960			1,960	1,960
Balance (in shares) at Sep. 30, 2019		12,869,366	0
Balance at Sep. 30, 2019	237,389	$ 129		237,389	143,088	11,648	82,524	0
Balance (in shares) at Jun. 30, 2019		12,849,319	0
Balance at Jun. 30, 2019	230,785	$ 128		230,785	142,486	9,260	78,911	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	4,659			4,659			4,659
Shares issued under share-based compensation plans	2,388			2,388		2,388
Dividends declared	(1,046)			(1,046)			(1,046)
Shares issued under share-based compensation plans (in shares)		20,047
Shares issued under share-based compensation plans	1	$ 1		1	0
Share-based compensation	602			602	602
Balance (in shares) at Sep. 30, 2019		12,869,366	0
Balance at Sep. 30, 2019	$ 237,389	$ 129		$ 237,389	$ 143,088	$ 11,648	$ 82,524	$ 0