Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Total revenues	$ 16,720	$ 16,640	$ 32,199	$ 36,662
Transaction-based expenses:
Transaction-based expenses	(83)	(178)	(102)	(311)
Total revenues, less transaction-based expenses	16,637	16,462	32,097	36,351
Operating expenses:
Compensation and benefits	25,154	27,384	50,916	71,024
Professional services	3,265	3,853	6,001	7,370
Acquisition-related transaction costs	0	692	0	4,398
Advertising and market development	876	1,441	1,553	2,945
Rent and occupancy	1,148	1,140	2,474	2,706
Technology and communications	3,475	2,809	6,865	4,832
General and administrative	3,525	3,170	6,273	4,772
Depreciation and amortization	1,747	2,021	3,536	3,103
Total operating expenses	39,190	42,510	77,618	101,150
Operating loss	(22,553)	(26,048)	(45,521)	(64,799)
Interest and other income (expenses):
Interest income	1,319	266	2,828	287
Change in fair value of warrant liabilities	(3,790)	20,558	(3,622)	(5,402)
Other income (expenses), net	217	140	432	529
Total interest income and other income (expenses)	(2,254)	20,964	(362)	(4,586)
Loss before provision for income taxes	(24,807)	(5,084)	(45,883)	(69,385)
Provision for income taxes	293	35	478	158
Net loss	(25,100)	(5,119)	(46,361)	(69,543)
Net loss attributable to noncontrolling interest	(211)	0	(284)	0
Net loss attributable to Forge Global Holdings, Inc.	$ (24,889)	$ (5,119)	$ (46,077)	$ (69,543)
Net loss per share attributable to Forge Global Holdings, Inc. common stockholders:
Basic (in dollars per share)	$ (0.14)	$ (0.03)	$ (0.27)	$ (0.60)
Diluted (in dollars per share)	$ (0.14)	$ (0.20)	$ (0.27)	$ (0.66)
Weighted-average shares used in computing net loss per share attributable to Forge Global Holdings, Inc. common stockholders:
Basic (in shares)	173,289,549	167,052,900	172,565,508	116,815,363
Diluted (in shares)	173,289,549	173,578,093	172,565,508	120,584,585
Placement fees
Revenues:
Total revenues	$ 5,723	$ 10,951	$ 10,355	$ 25,536
Custodial administration fees
Revenues:
Total revenues	$ 10,997	$ 5,689	$ 21,844	$ 11,126