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Product Revenues, Accounts Receivable, and Reserves for Product Sales - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items] |  |  |
Total product revenue, net | $ 781,367 | $ 396,591 | $ 75,422
Accounts receivable | 264,926 | 206,442 |
Outstanding amount of sold accounts receivable | 86,100 | 0 |
Accrued Expenses [Member] |  |  |
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items] |  |  |
Product sales reserves | 45,100 | 16,600 |
Product revenue, net [Member] |  |  |
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items] |  |  |
Total product revenue, net | $ 709,954 | $ 366,281 | $ 65,092

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