Document and Entity Information	12 Months Ended
	Dec. 31, 2021
Document and Entity Information
Document Type	S-1
Entity Registrant Name	FORGE GLOBAL HOLDINGS, INC.
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Central Index Key	0001827821
Amendment Flag	false