CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Other Comprehensive Income (Loss)	Earnings (Deficit)	Total Shareholders' Equity Attributable to Federated National Holding Company Shareholders	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	$ 130	$ 139,728	1,770	70,009	$ 211,637	$ 15,822
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	7,245				7,463	7,463	(218)
Other comprehensive loss	(4,561)			(4,332)		(4,332)	(229)
Dividends declared	(1,043)				(1,043)	(1,043)
Acquisition of non-controlling interest	$ (16,685)		(1,005)	(305)		(1,310)	(15,375)
Shares issued under share-based compensation plans (in shares)		53,571
Repurchases of common stock (in shares)	(322,865.035)	(322,865)
Repurchases of common stock	$ (5,000)	$ (3)			(4,997)	(5,000)
Share-based compensation	665		665			665
Balance (in shares) at Mar. 31, 2018		12,718,953
Balance, end of period at Mar. 31, 2018	$ 208,080	$ 127	$ 139,388	$ (3,861)	$ 72,426	$ 208,080	$ 0