Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues:
Total revenues	$ 27,739	$ 22,282	$ 53,035	$ 41,524
Transaction-based expenses:
Transaction-based expenses	(155)	(256)	(347)	(285)
Total revenues, less transaction-based expenses	27,584	22,026	52,688	41,239
Operating expenses:
Compensation and benefits	27,193	28,784	56,684	58,627
Technology and communications	4,667	2,649	9,016	5,709
Professional services	1,204	1,605	3,536	3,822
General and administrative	2,144	2,508	4,398	7,570
Acquisition-related transaction costs	1,988	0	1,988	0
Advertising and market development	1,528	1,243	2,743	2,333
Depreciation and amortization	909	1,781	1,895	3,597
Rent and occupancy	786	1,107	1,732	2,242
Total operating expenses	40,419	39,677	81,992	83,900
Operating loss	(12,835)	(17,651)	(29,304)	(42,661)
Interest and other income:
Interest income	803	1,495	1,845	3,204
Change in fair value of warrant liabilities	(294)	2,280	(103)	6,727
Other income, net	76	94	130	170
Total interest and other (expense) income	585	3,869	1,872	10,101
Loss before provision for income taxes	(12,250)	(13,782)	(27,432)	(32,560)
Provision for income taxes	189	258	1,205	474
Net loss	(12,439)	(14,040)	(28,637)	(33,034)
Net income (loss) attributable to noncontrolling interest	141	(316)	115	(686)
Net loss attributable to Forge Global Holdings, Inc.	$ (12,580)	$ (13,724)	$ (28,752)	$ (32,348)
Net loss per share attributable to Forge Global Holdings, Inc. common stockholders:
Basic (in dollars per share)	$ (1.01)	$ (1.13)	$ (2.30)	$ (2.67)
Diluted (in dollars per share)	$ (1.01)	$ (1.13)	$ (2.30)	$ (2.67)
Weighted-average shares used in computing net loss per share attributable to Forge Global Holdings, Inc. common stockholders:
Basic (in shares)	12,474	12,179	12,503	12,112
Diluted (in shares)	12,474	12,179	12,503	12,112
Marketplace revenue
Revenues:
Total revenues	$ 18,597	$ 11,679	$ 34,594	$ 20,199
Custodial administration fees
Revenues:
Total revenues	$ 9,142	$ 10,603	$ 18,441	$ 21,325