Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues:
Total revenues	$ 22,282	$ 16,720	$ 41,524	$ 32,199
Transaction-based expenses:
Transaction-based expenses	(256)	(83)	(285)	(102)
Total revenues, less transaction-based expenses	22,026	16,637	41,239	32,097
Operating expenses:
Compensation and benefits	28,784	25,154	58,627	50,916
Technology and communications	2,649	3,475	5,709	6,865
Professional services	1,605	3,265	3,822	6,001
Advertising and market development	1,243	876	2,333	1,553
Rent and occupancy	1,107	1,148	2,242	2,474
General and administrative	2,508	3,525	7,570	6,273
Depreciation and amortization	1,781	1,747	3,597	3,536
Total operating expenses	39,677	39,190	83,900	77,618
Operating loss	(17,651)	(22,553)	(42,661)	(45,521)
Interest and other income (expense):
Interest income	1,495	1,319	3,204	2,828
Change in fair value of warrant liabilities	2,280	(3,790)	6,727	(3,622)
Other income, net	94	217	170	432
Total interest and other income (expense)	3,869	(2,254)	10,101	(362)
Loss before provision for income taxes	(13,782)	(24,807)	(32,560)	(45,883)
Provision for income taxes	258	293	474	478
Net loss	(14,040)	(25,100)	(33,034)	(46,361)
Net loss attributable to noncontrolling interest	(316)	(211)	(686)	(284)
Net loss attributable to Forge Global Holdings, Inc.	$ (13,724)	$ (24,889)	$ (32,348)	$ (46,077)
Net loss per share attributable to Forge Global Holdings, Inc. common stockholders:
Basic (in dollars per share)	$ (0.08)	$ (0.14)	$ (0.18)	$ (0.27)
Diluted (in dollars per share)	$ (0.08)	$ (0.14)	$ (0.18)	$ (0.27)
Weighted-average shares used in computing net loss per share attributable to Forge Global Holdings, Inc. common stockholders:
Basic (in shares)	182,681,065	173,289,549	181,680,268	172,565,508
Diluted (in shares)	182,681,065	173,289,549	181,680,268	172,565,508
Marketplace revenues
Revenues:
Total revenues	$ 11,679	$ 5,723	$ 20,199	$ 10,355
Custodial administration fees
Revenues:
Total revenues	$ 10,603	$ 10,997	$ 21,325	$ 21,844