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Revenue from Contracts with Customers - Product Revenue Provision and Allowance Categories (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023
Rebates and Incentives |  |
Allowance categories |  |
Beginning balance | $ 149,826 | $ 156,937
Provision related to current period sales | 303,570 | 325,725
Acquired from Ironshore | 42,515 |
Changes in estimate related to prior period sales | (1,634) | 2
Credits/payments made | (296,433) | (315,170)
Balance as of end of the period | 197,844 | 167,494
Product Returns |  |
Allowance categories |  |
Beginning balance | 77,505 | 73,554
Provision related to current period sales | 33,587 | 31,904
Acquired from Ironshore | 36,588 |
Changes in estimate related to prior period sales | 2,419 | 3,722
Credits/payments made | (34,069) | (31,662)
Balance as of end of the period | 116,030 | 77,518
Trade Allowances and Chargebacks |  |
Allowance categories |  |
Beginning balance | 20,917 | 22,058
Provision related to current period sales | 124,194 | 112,550
Acquired from Ironshore | 5,011 |
Changes in estimate related to prior period sales | (85) | 589
Credits/payments made | (120,611) | (113,263)
Balance as of end of the period | $ 29,426 | $ 21,934

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