REVENUE RECOGNITION AND RELATED ALLOWANCES - Allowances (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	$ 97,262
Ending balance	91,008
Chargebacks
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	84,208	$ 148,562
Accruals/Adjustments	403,201	437,671
Impact of Alimera acquisition	95
Credits Taken Against Reserve	(410,508)	(501,841)
Ending balance	76,996	84,392
Government Rebates
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	12,168	10,872
Accruals/Adjustments	19,757	16,998
Impact of Alimera acquisition	0
Credits Taken Against Reserve	(21,232)	(16,947)
Ending balance	10,693	10,923
Returns
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	29,678	33,399
Accruals/Adjustments	28,737	13,048
Impact of Alimera acquisition	3,095
Credits Taken Against Reserve	(24,442)	(15,009)
Ending balance	37,068	31,438
Administrative Fees and Other Rebates
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	11,412	9,442
Accruals/Adjustments	44,622	40,815
Impact of Alimera acquisition	671
Credits Taken Against Reserve	(43,486)	(39,316)
Ending balance	13,219	10,941
Prompt Payment Discounts
Accruals for Chargebacks, Returns, and Other Allowances
Beginning balance	4,865	6,488
Accruals/Adjustments	17,159	17,024
Impact of Alimera acquisition	0
Credits Taken Against Reserve	(17,218)	(18,366)
Ending balance	$ 4,806	$ 5,146