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Revenue Recognition - Summarize Activity of the Net Product Revenue Allowance and Reserve Categories (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | $ 171,501 | $ 191,521
Provision related to current period sales | 235,891 | 190,711
Provision related to prior period sales | (2,111) | (5,482)
Credits/payments made for current period sales | (120,053) | (121,001)
Credits/payments made for prior period sales | (153,064) | (89,361)
Ending balance | 132,164 | 166,388
Trade Allowances |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 18,834 | 44,626
Provision related to current period sales | 20,881 | 22,313
Credits/payments made for current period sales | (8,285) | (11,534)
Credits/payments made for prior period sales | (18,169) | (36,485)
Ending balance | 13,261 | 18,920
Rebates, Chargebacks and Discounts |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 143,033 | 136,093
Provision related to current period sales | 210,945 | 162,858
Provision related to prior period sales | (2,111) | (5,589)
Credits/payments made for current period sales | (109,579) | (105,542)
Credits/payments made for prior period sales | (131,655) | (51,460)
Ending balance | 110,633 | 136,360
Product Returns |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 7,732 | 8,746
Provision related to current period sales | 466 | 532
Credits/payments made for current period sales | (74) |
Credits/payments made for prior period sales | (1,254) | (577)
Ending balance | 6,870 | 8,701
Other Incentives |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 1,902 | 2,056
Provision related to current period sales | 3,599 | 5,008
Provision related to prior period sales |  | 107
Credits/payments made for current period sales | (2,115) | (3,925)
Credits/payments made for prior period sales | (1,986) | (839)
Ending balance | $ 1,400 | $ 2,407

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