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Fair Value Measurements - Financial Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Short-term investments: |  |
Short-term investments | $ 0 | $ 48,011
Fair Value, Measurements, Recurring |  |
Short-term investments: |  |
Total | 162,634 | 240,506
Fair Value, Measurements, Recurring | U.S. Government securities |  |
Cash and cash equivalents: |  |
Money market funds |  | 12,371
Short-term investments: |  |
Short-term investments | 0 | 48,011
Fair Value, Measurements, Recurring | Money Market Funds |  |
Cash and cash equivalents: |  |
Money market funds | 162,634 | 180,124
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Short-term investments: |  |
Total | 162,634 | 180,124
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Government securities |  |
Cash and cash equivalents: |  |
Money market funds |  |
Short-term investments: |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Money Market Funds |  |
Cash and cash equivalents: |  |
Money market funds | 162,634 | 180,124
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) |  |
Short-term investments: |  |
Total | 0 | 60,382
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | U.S. Government securities |  |
Cash and cash equivalents: |  |
Money market funds |  | 12,371
Short-term investments: |  |
Short-term investments | 0 | 48,011
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Money Market Funds |  |
Cash and cash equivalents: |  |
Money market funds | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) |  |
Short-term investments: |  |
Total | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | U.S. Government securities |  |
Cash and cash equivalents: |  |
Money market funds |  |
Short-term investments: |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Money Market Funds |  |
Cash and cash equivalents: |  |
Money market funds | $ 0 | $ 0

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- Definition Fair value portion of asset recognized for present right to economic benefit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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 3: http://www.xbrl.org/2003/role/disclosureRef -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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- 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/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 2: 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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