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Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Payables and Accruals [Abstract] |  |
Accrued research and development | $ 28,318 | $ 34,849
Accrued royalties | 10,197 | 907
Accrued payroll liabilities | 51,781 | 43,212
Product revenue reserves | 16,625 | 2,351
Other | 20,885 | 13,820
Total accrued expenses | $ 127,806 | $ 95,139

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