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Revenue from Contracts with Customers - Product Revenue Provision and Allowance Categories (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Rebates and Incentives |  |  |
Allowance categories |  |  |
Balance as of beginning of the period | $ 156,937 | $ 142,379 | $ 132,775
Acquired from BDSI |  | 38,074 |
Provision related to current period sales | 424,013 | 497,250 | 378,694
Changes in estimate related to prior period sales | (4,802) | (619) | 1,121
Credits/payments made | (426,322) | (520,147) | (370,211)
Balance as of end of the period | 149,826 | 156,937 | 142,379
Product Returns |  |  |
Allowance categories |  |  |
Balance as of beginning of the period | 73,554 | 54,617 | 23,779
Acquired from BDSI |  | 18,187 |
Provision related to current period sales | 41,993 | 38,250 | 27,229
Changes in estimate related to prior period sales | 4,268 | 2,505 | 8,763
Credits/payments made | (42,310) | (40,005) | (5,154)
Balance as of end of the period | 77,505 | 73,554 | 54,617
Trade Allowances and Chargebacks |  |  |
Allowance categories |  |  |
Balance as of beginning of the period | 22,058 | 13,226 | 19,055
Acquired from BDSI |  | 7,575 |
Provision related to current period sales | 149,976 | 132,547 | 84,470
Changes in estimate related to prior period sales | 555 | (592) | 4
Credits/payments made | (151,672) | (130,698) | (90,303)
Balance as of end of the period | $ 20,917 | $ 22,058 | $ 13,226

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