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Product Revenues, Accounts Receivable, and Reserves for Product Sales - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items] |  |  |
Revenue | $ 172,325 | $ 44,846 |
Accounts receivable, net | 267,837 |  | $ 206,442
Accrued Expenses [Member] |  |  |
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items] |  |  |
Product sales reserves | 19,200 |  | $ 16,600
Product revenue, net [Member] |  |  |
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items] |  |  |
Revenue | $ 163,075 | $ 38,800 |

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