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Fair Value Measurements - Hierarchy for Assets and Liabilities on a Recurring Basis (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Payment-dependent notes receivable, noncurrent | $ 5,830 | $ 7,371
Payment-dependent notes payable, noncurrent | 5,830 | 7,371
Warrant liabilities | 437 | 606
Fair Value, Recurring |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Payment-dependent notes receivable, current | 2 | 5
Payment-dependent notes receivable, noncurrent | 5,830 | 7,371
Total financial assets | 123,112 | 156,515
Payment-dependent notes payable, current | 2 | 5
Payment-dependent notes payable, noncurrent | 5,830 | 7,371
Total financial liabilities | 6,269 | 7,982
Fair Value, Recurring | Legacy Forge warrant liabilities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Warrant liabilities | 247 | 384
Fair Value, Recurring | Private placement warrants |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Warrant liabilities | 190 | 222
Fair Value, Recurring | Money market funds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents | 117,280 | 149,139
Fair Value, Recurring | Level 1 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Payment-dependent notes receivable, current | 2 | 5
Payment-dependent notes receivable, noncurrent | 0 | 0
Total financial assets | 117,282 | 149,144
Payment-dependent notes payable, current | 2 | 5
Payment-dependent notes payable, noncurrent | 0 | 0
Total financial liabilities | 2 | 5
Fair Value, Recurring | Level 1 | Legacy Forge warrant liabilities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Warrant liabilities | 0 | 0
Fair Value, Recurring | Level 1 | Private placement warrants |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Warrant liabilities | 0 | 0
Fair Value, Recurring | Level 1 | Money market funds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents | 117,280 | 149,139
Fair Value, Recurring | Level 2 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Payment-dependent notes receivable, current | 0 | 0
Payment-dependent notes receivable, noncurrent | 0 | 0
Total financial assets | 0 | 0
Payment-dependent notes payable, current | 0 | 0
Payment-dependent notes payable, noncurrent | 0 | 0
Total financial liabilities | 0 | 0
Fair Value, Recurring | Level 2 | Legacy Forge warrant liabilities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Warrant liabilities | 0 | 0
Fair Value, Recurring | Level 2 | Private placement warrants |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Warrant liabilities | 0 | 0
Fair Value, Recurring | Level 2 | Money market funds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents | 0 | 0
Fair Value, Recurring | Level 3 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Payment-dependent notes receivable, current | 0 | 0
Payment-dependent notes receivable, noncurrent | 5,830 | 7,371
Total financial assets | 5,830 | 7,371
Payment-dependent notes payable, current | 0 | 0
Payment-dependent notes payable, noncurrent | 5,830 | 7,371
Total financial liabilities | 6,267 | 7,977
Fair Value, Recurring | Level 3 | Legacy Forge warrant liabilities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Warrant liabilities | 247 | 384
Fair Value, Recurring | Level 3 | Private placement warrants |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Warrant liabilities | 190 | 222
Fair Value, Recurring | Level 3 | Money market funds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents | $ 0 | $ 0

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
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