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Revenue Recognition - Summarize Activity of the Net Product Revenue Allowance and Reserve Categories (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | $ 191,521 | $ 282,226
Provision related to current period sales | 835,685 | 802,115
Provision related to prior period sales | (17,378) | 592
Credits/payments made for current period sales | (681,958) | (628,406)
Credits/payments made for prior period sales | (156,369) | (265,006)
Ending balance | 171,501 | 191,521
Trade Allowances |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 44,626 | 86,636
Provision related to current period sales | 90,806 | 96,340
Provision related to prior period sales | (897) |
Credits/payments made for current period sales | (71,972) | (54,952)
Credits/payments made for prior period sales | (43,729) | (83,398)
Ending balance | 18,834 | 44,626
Rebates, Chargebacks and Discounts |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 136,093 | 184,756
Provision related to current period sales | 726,119 | 676,816
Provision related to prior period sales | (16,337) | 592
Credits/payments made for current period sales | (593,584) | (548,783)
Credits/payments made for prior period sales | (109,258) | (177,288)
Ending balance | 143,033 | 136,093
Product Returns |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 8,746 | 8,089
Provision related to current period sales | 2,199 | 2,347
Provision related to prior period sales | (250) |
Credits/payments made for current period sales | (1,744) |
Credits/payments made for prior period sales | (1,219) | (1,690)
Ending balance | 7,732 | 8,746
Other Incentives |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 2,056 | 2,745
Provision related to current period sales | 16,561 | 26,612
Provision related to prior period sales | 106 |
Credits/payments made for current period sales | (14,658) | (24,671)
Credits/payments made for prior period sales | (2,163) | (2,630)
Ending balance | $ 1,902 | $ 2,056

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