Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2018	May 04, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	FEDERATED NATIONAL HOLDING CO
Entity Central Index Key	0001069996
Document Type	10-Q
Document Period End Date	Mar. 31, 2018
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2018
Trading Symbol	fnhc
Amendment Flag	false
Entity Common Stock, Shares Outstanding		12,719,777