Unaudited Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (18,994)	$ (21,261)
Foreign currency translation adjustment	(255)	228
Comprehensive loss	(19,249)	(21,033)
Less: Comprehensive (loss) income attributable to noncontrolling interest	(479)	18
Comprehensive loss attributable to Forge Global Holdings, Inc.	$ (18,770)	$ (21,051)