Cover - USD ($)	12 Months Ended
	Dec. 31, 2021	Mar. 28, 2022	Jun. 30, 2021
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2021
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--12-31
Entity File Number	001-36366
Entity Registrant Name	FG Financial Group, Inc.
Entity Central Index Key	0001591890
Entity Tax Identification Number	46-1119100
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	360 Central Ave
Entity Address, Address Line Two	Suite 800
Entity Address, City or Town	St. Petersburg
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33701
City Area Code	(727)
Local Phone Number	304-5666
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 18,588,942
Entity Common Stock, Shares Outstanding		6,528,001
Documents Incorporated by Reference	None
ICFR Auditor Attestation Flag	false
Auditor Firm ID	243
Auditor Name	BDO USA, LLP
Auditor Location	Grand Rapids, Michigan
Common Stock, par value $0.001 per share [Member]
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	FGF
Security Exchange Name	NASDAQ
8.00% Cumulative Preferred Stock, Series A, par value $25.00 per share [Member]
Title of 12(b) Security	8.00% Cumulative Preferred Stock, Series A, par value $25.00 per share
Trading Symbol	FGFPP
Security Exchange Name	NASDAQ