Stock-Based Compensation - Summary of Share-based Compensation Expense (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||||||
| Stock-based compensation expense | $ 8,122 | $ 5,689 | $ 27,940 | $ 16,358 | ||||
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||||||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||||||
| Stock-based compensation expense | [1] | 2,089 | 664 | 3,941 | 1,991 | |||
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | ||||||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||||||
| Stock-based compensation expense | [2] | $ 6,033 | $ 5,025 | $ 23,999 | $ 14,367 | |||
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