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Fair Value Measurements - Summary of Fair Value of Investments Based upon Contractual Maturities (Detail) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Debt Securities, Available-for-Sale [Line Items] |  |
Less than one year | $ 34,404 | $ 59,324
Due in 1 - 5 years | 122,847 | 94,829
Total | 157,251 | 154,153
U.S. Treasuries [Member] |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Less than one year | 24,920 | 49,978
Due in 1 - 5 years | 75,583 | 49,067
Total | 100,503 | 99,045
Corporate Debt [Member] |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Less than one year | 9,484 | 9,346
Due in 1 - 5 years | 47,264 | 45,762
Total | $ 56,748 | $ 55,108

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