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Long-term Debt - Schedule of Interest Expense Recognized Related to Convertible Notes (Detail) - Convertible Senior Notes Due 2026 [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Debt Instrument [Line Items] |  |  |  |
Amortization of debt issuance costs | $ 78 | $ 75 | $ 230 | $ 222
Contractual interest expense | 822 | 822 | 2,465 | 2,465
Total interest expense | $ 900 | $ 897 | $ 2,695 | $ 2,687

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