Unaudited Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (21,261)	$ (64,424)
Foreign currency translation adjustment	228	0
Comprehensive loss	(21,033)	(64,424)
Less: Comprehensive income attributable to noncontrolling interest	18	0
Comprehensive loss attributable to Forge Global Holdings, Inc.	$ (21,051)	$ (64,424)