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Fair Value of Financial Instruments - Summary of Recurring Basis within the Fair Value Hierarchy (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Short-term investments | $ 186,544 | $ 271,078
Fair Value, Recurring |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total assets measured at fair value | 186,544 | 271,078
Fair Value, Recurring | Quoted Prices in Active Markets For Identical Assets (Level 1) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total assets measured at fair value | 101,574 | 141,942
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total assets measured at fair value | 84,970 | 129,136
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total assets measured at fair value | 0 | 0
U.S. treasury securities | Fair Value, Recurring |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents |  | 2,990
Short-term investments | 65,485 | 126,146
Long-term investments | 19,485 |
U.S. treasury securities | Fair Value, Recurring | Quoted Prices in Active Markets For Identical Assets (Level 1) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents |  | 0
Short-term investments | 0 | 0
Long-term investments | 0 |
U.S. treasury securities | Fair Value, Recurring | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents |  | 2,990
Short-term investments | 65,485 | 126,146
Long-term investments | 19,485 |
U.S. treasury securities | Fair Value, Recurring | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents |  | 0
Short-term investments | 0 | 0
Long-term investments | 0 |
Money market funds | Fair Value, Recurring |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents | 101,574 | 141,942
Money market funds | Fair Value, Recurring | Quoted Prices in Active Markets For Identical Assets (Level 1) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents | 101,574 | 141,942
Money market funds | Fair Value, Recurring | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash and cash equivalents | 0 | 0
Money market funds | Fair Value, Recurring | Significant Unobservable Inputs (Level 3) |  |
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 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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