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REVENUE RECOGNITION AND RELATED ALLOWANCES - Allowances (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Accruals and allowances |  |
Beginning balance | $ 161,052 |
Ending balance | 97,262 | $ 161,052
Chargebacks |  |
Accruals and allowances |  |
Beginning balance | 148,562 | 94,066
Accruals/Adjustments | 586,511 | 642,409
Credits Taken Against Reserve | (650,865) | (587,913)
Ending balance | 84,208 | 148,562
Government Rebates |  |
Accruals and allowances |  |
Beginning balance | 10,872 | 5,492
Accruals/Adjustments | 23,915 | 20,657
Credits Taken Against Reserve | (22,619) | (15,277)
Ending balance | 12,168 | 10,872
Returns |  |
Accruals and allowances |  |
Beginning balance | 33,399 | 35,831
Accruals/Adjustments | 18,360 | 23,252
Credits Taken Against Reserve | (22,081) | (25,684)
Ending balance | 29,678 | 33,399
Administrative Fees and Other Rebates |  |
Accruals and allowances |  |
Beginning balance | 9,442 | 13,100
Accruals/Adjustments | 55,798 | 42,044
Credits Taken Against Reserve | (53,828) | (45,702)
Ending balance | 11,412 | 9,442
Prompt Payment Discounts |  |
Accruals and allowances |  |
Beginning balance | 6,488 | 4,642
Accruals/Adjustments | 22,932 | 21,302
Credits Taken Against Reserve | (24,555) | (19,456)
Ending balance | $ 4,865 | $ 6,488

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