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Revenue Recognition - Summarize Activity of the Net Product Revenue Allowance and Reserve Categories (Detail) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | $ 191,521 | $ 282,226
Provision related to current period sales | 391,594 | 398,246
Provision related to prior period sales | (7,311) | 107
Credits/payments made for current period sales | (289,790) | (271,693)
Credits/payments made for prior period sales | (115,458) | (214,794)
Ending balance | 170,556 | 194,091
Trade Allowances |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 44,626 | 86,636
Provision related to current period sales | 44,069 | 48,472
Credits/payments made for current period sales | (24,778) | (20,724)
Credits/payments made for prior period sales | (42,389) | (83,398)
Ending balance | 21,528 | 30,986
Rebates, Chargebacks and Discounts |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 136,093 | 184,756
Provision related to current period sales | 337,129 | 333,126
Provision related to prior period sales | (7,168) | 107
Credits/payments made for current period sales | (256,492) | (237,768)
Credits/payments made for prior period sales | (70,842) | (128,152)
Ending balance | 138,720 | 152,069
Product Returns |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 8,746 | 8,089
Provision related to current period sales | 1,059 | 1,178
Provision related to prior period sales | (250) |
Credits/payments made for prior period sales | (1,219) | (614)
Ending balance | 8,336 | 8,653
Other Incentives |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |
Beginning balance | 2,056 | 2,745
Provision related to current period sales | 9,337 | 15,470
Provision related to prior period sales | 107 |
Credits/payments made for current period sales | (8,520) | (13,201)
Credits/payments made for prior period sales | (1,008) | (2,630)
Ending balance | $ 1,972 | $ 2,384

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