Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues:
Total revenues	$ 19,216	$ 18,563	$ 60,740	$ 50,762
Transaction-based expenses:
Transaction-based expenses	(73)	(148)	(358)	(250)
Total revenues, less transaction-based expenses	19,143	18,415	60,382	50,512
Operating expenses:
Compensation and benefits	28,750	27,650	87,377	78,566
Technology and communications	3,185	3,763	8,894	10,628
Professional services	2,435	2,883	6,257	8,884
Advertising and market development	1,015	910	3,348	2,463
Rent and occupancy	1,036	1,142	3,278	3,616
General and administrative	1,877	1,870	9,447	8,143
Depreciation and amortization	1,748	1,710	5,345	5,246
Total operating expenses	40,046	39,928	123,946	117,546
Operating loss	(20,903)	(21,513)	(63,564)	(67,034)
Interest and other income (expense):
Interest income	1,307	1,725	4,511	4,553
Change in fair value of warrant liabilities	931	907	7,659	(2,715)
Other income, net	119	215	288	647
Total interest and other income	2,357	2,847	12,458	2,485
Loss before provision for income taxes	(18,546)	(18,666)	(51,106)	(64,549)
Provision for income taxes	298	291	772	769
Net loss	(18,844)	(18,957)	(51,878)	(65,318)
Net loss attributable to noncontrolling interest	(502)	(609)	(1,188)	(893)
Net loss attributable to Forge Global Holdings, Inc.	$ (18,342)	$ (18,348)	$ (50,690)	$ (64,425)
Net loss per share attributable to Forge Global Holdings, Inc. common stockholders:
Basic (in dollars per share)	$ (0.10)	$ (0.11)	$ (0.28)	$ (0.37)
Diluted (in dollars per share)	$ (0.10)	$ (0.11)	$ (0.28)	$ (0.37)
Weighted-average shares used in computing net loss per share attributable to Forge Global Holdings, Inc. common stockholders:
Basic (in shares)	184,158,571	173,957,880	182,261,198	173,045,721
Diluted (in shares)	184,158,571	173,957,880	182,261,198	173,045,721
Marketplace revenues
Revenues:
Total revenues	$ 8,713	$ 7,283	$ 28,912	$ 17,638
Custodial administration fees
Revenues:
Total revenues	$ 10,503	$ 11,280	$ 31,828	$ 33,124