REVENUE RECOGNITION AND RELATED ALLOWANCES - Allowances (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	$ 127,824
Ending balance	120,421
Chargebacks
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	105,630	$ 84,208
Accruals/Adjustments	330,581	267,779
Credits Taken Against Reserve	(337,311)	(262,541)
Ending balance	98,900	89,446
Government Rebates
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	18,714	12,168
Accruals/Adjustments	32,910	13,324
Credits Taken Against Reserve	(18,758)	(13,168)
Ending balance	32,866	12,324
Returns
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	39,274	29,678
Accruals/Adjustments	22,737	21,895
Credits Taken Against Reserve	(13,328)	(17,676)
Ending balance	48,683	33,897
Administrative Fees and Other Rebates
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	19,588	11,412
Accruals/Adjustments	40,730	29,970
Credits Taken Against Reserve	(38,902)	(29,656)
Ending balance	21,416	11,726
Prompt Payment Discounts
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	6,258	4,865
Accruals/Adjustments	17,134	11,422
Credits Taken Against Reserve	(17,090)	(11,243)
Ending balance	$ 6,302	$ 5,044