Cover Page - shares	3 Months Ended
	Mar. 31, 2022	May 02, 2022
Cover page [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	000-25001
Entity Registrant Name	FedNat Holding Company
Entity Incorporation, State or Country Code	FL
Entity Tax Identification Number	65-0248866
Entity Address, Address Line One	14050 N.W. 14th Street
Entity Address, Address Line Two	Suite 180
Entity Address, City or Town	Sunrise
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33323
City Area Code	800
Local Phone Number	293-2532
Title of 12(b) Security	Common Stock
Trading Symbol	FNHC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		17,519,237
Entity Central Index Key	0001069996
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2022
Amendment Flag	false