Unaudited Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net loss	$ (18,210)	$ (18,844)	$ (46,847)	$ (51,878)
Foreign currency translation adjustment	82	388	1,151	57
Comprehensive loss	(18,128)	(18,456)	(45,696)	(51,821)
Less: Comprehensive loss attributable to noncontrolling interest	33	(326)	596	(1,153)
Comprehensive loss attributable to Forge Global Holdings, Inc.	$ (18,161)	$ (18,130)	$ (46,292)	$ (50,668)