Unaudited Condensed Consolidated Statement of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net loss	$ (46,361)	$ (69,543)
Adjustments to reconcile net loss to net cash (used in) provided by operations:
Share-based compensation	16,210	19,262
Depreciation and amortization	3,536	3,103
Transaction expenses related to the Merger	0	3,132
Amortization of right-of-use assets	1,579	1,961
Loss on impairment of long lived assets	536	446
Allowance for doubtful accounts	171	269
Change in fair value of warrant liabilities	3,622	5,402
Settlement of related party promissory notes	0	5,517
Changes in operating assets and liabilities:
Accounts receivable	(1,313)	3,628
Prepaid expenses and other assets	219	(6,943)
Accounts payable	(1,229)	1,843
Accrued expenses and other liabilities	1,288	(1,182)
Accrued compensation and benefits	(7,514)	(12,676)
Operating lease liabilities	(2,081)	(2,581)
Net cash used in operating activities	(31,337)	(48,362)
Cash flows from investing activities:
Purchases of property and equipment	(99)	(106)
Purchases of intangible assets	0	(97)
Capitalized internal-use software development costs	0	(3,232)
Purchases of certificates of deposit	(2,665)	0
Net cash used in investing activities	(2,764)	(3,435)
Cash flows from financing activities:
Proceeds from the Merger	0	7,865
Proceeds from PIPE investment and A&R FPA investors	0	208,500
Payments for offering costs	0	(56,852)
Proceeds from exercise of Public Warrants	0	22,136
Proceeds from exercise of options, including proceeds from repayment of promissory notes	330	505
Taxes withheld and paid related to net share settlement of equity awards	(557)	0
Net cash (used in) provided by financing activities	(227)	182,154
Effect of changes in currency exchange rates on cash and cash equivalents	175	0
Net (decrease) increase in cash and cash equivalents	(34,153)	130,357
Cash, cash equivalents and restricted cash, beginning of the period	194,965	76,404
Cash, cash equivalents and restricted cash, end of the period	160,812	206,761
Reconciliation of cash, cash equivalents and restricted cash to the amounts reported within the consolidated balance sheets
Cash and cash equivalents	159,526	204,942
Restricted cash	1,286	1,819
Total cash, cash equivalents and restricted cash, end of the period	160,812	206,761
Supplemental disclosure of non-cash investing and financing activities:
Capitalized internal-use software development costs accrued and not yet paid	0	386
Reclassification of deferred offering costs to equity	0	5,923
Conversion of preferred stock	0	246,049
Conversion of May 2020 and October 2020 preferred stock warrants of Legacy Forge to common stock warrants	0	2,949
Non-cash assets acquired in the Merger	0	193
Warrants issued in connection with A&R FPA	0	3,080
Assumption of merger warrants liability	0	13,983
Vesting of early exercised stock options and restricted stock awards	198	1,048
Warrant liability reclassified to additional paid-in capital upon exercise of Public Warrants	0	698
Issuance of common stock upon settlement of related party promissory notes	0	4,207
Early exercise of stock options upon settlement of related party promissory notes	$ 0	$ 1,310