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Fair Value Measurements - Additional Information (Detail) - Level 1 [Member] - Convertible Senior Notes [Member] - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Convertible notes | $ 94.0 | $ 102.3
Convertible notes, interest rate | 3.50% | 3.50%

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