CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Total Shareholders' Equity Attributable to Federated National Holding Company Shareholders	Common Stock	Additional Paid-in Capital	Other Comprehensive Income (Loss)	Retained Earnings	Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of new accounting standards					$ (994)	$ 994
Balance (in shares) at Dec. 31, 2017			12,988,247
Balance, beginning of period at Dec. 31, 2017	$ 227,459	$ 211,637	$ 130	$ 139,728	1,770	70,009	$ 15,822
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	16,065	16,283				16,283	(218)
Other comprehensive income (loss)	(6,050)	(5,821)			(5,821)		(229)
Dividends declared	(2,079)	(2,079)				(2,079)
Acquisition of non-controlling interest	(16,685)	(1,310)		(1,005)	(305)		(15,375)
Shares issued under share-based compensation plans (in shares)			70,238
Shares issued under share-based compensation plans	$ 16	16		16
Repurchases of common stock (in shares)	(326,708)		(326,708)
Repurchases of common stock	$ (5,061)	(5,061)	$ (3)			(5,058)
Share-based compensation	1,363	1,363		1,363
Balance (in shares) at Jun. 30, 2018			12,731,777
Balance, end of period at Jun. 30, 2018	$ 215,028	$ 215,028	$ 127	$ 140,102	$ (5,350)	$ 80,149	$ 0