Schedule of Numerators and Denominators Used in Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income (loss) from continuing operations	$ (5,478)	$ 440	$ (9,301)	$ 328
Gain attributable to noncontrolling interests		(667)		(666)
Dividends declared on Series A Preferred Shares	(447)	(447)	(894)	(797)
Loss attributable to FG Financial Group, Inc. common shareholders from continuing operations	$ (5,925)	$ (674)	$ (10,195)	$ (1,135)
Weighted average common shares	6,775,501	5,010,377	6,589,296	5,001,731
Loss per common share from continuing operations	$ (0.87)	$ (0.13)	$ (1.55)	$ (0.23)
Gain from sale of former insurance business				$ 145
Weighted average common shares outstanding	6,775,501	5,010,377	6,589,296	5,001,731
Income per common share from discontinued operations				$ 0.03