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Fair Value Measurements - Schedule of Financial Assets and Financial Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Financial assets: |  |
Total assets | $ 317,292 | $ 187,272
Money Market Funds [Member] |  |
Financial assets: |  |
Cash equivalents | 28,530 | 17,926
Commercial Paper [Member] |  |
Financial assets: |  |
Cash equivalents | 24,194 |
Marketable securities | 83,493 | 42,005
U.S. Treasury Securities [Member] |  |
Financial assets: |  |
Marketable securities | 97,004 | 62,672
Corporate Bonds [Member] |  |
Financial assets: |  |
Marketable securities | 67,485 | 46,783
U.S. Government Agency Securities [Member] |  |
Financial assets: |  |
Marketable securities | 3,066 | 4,311
Asset Backed Securities [Member] |  |
Financial assets: |  |
Marketable securities | 13,520 | 13,575
Level 1 [Member] |  |
Financial assets: |  |
Total assets | 28,530 | 17,926
Level 1 [Member] | Money Market Funds [Member] |  |
Financial assets: |  |
Cash equivalents | 28,530 | 17,926
Level 2 [Member] |  |
Financial assets: |  |
Total assets | 288,762 | 169,346
Level 2 [Member] | Commercial Paper [Member] |  |
Financial assets: |  |
Cash equivalents | 24,194 |
Marketable securities | 83,493 | 42,005
Level 2 [Member] | U.S. Treasury Securities [Member] |  |
Financial assets: |  |
Marketable securities | 97,004 | 62,672
Level 2 [Member] | Corporate Bonds [Member] |  |
Financial assets: |  |
Marketable securities | 67,485 | 46,783
Level 2 [Member] | U.S. Government Agency Securities [Member] |  |
Financial assets: |  |
Marketable securities | 3,066 | 4,311
Level 2 [Member] | Asset Backed Securities [Member] |  |
Financial assets: |  |
Marketable securities | $ 13,520 | $ 13,575

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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 Reference 3: 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 4: 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 5: 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 + Details
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