PRODUCT REVENUE AND RESERVES FOR VARIABLE CONSIDERATION - Product Revenue Allowance and Reserve Categories (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	$ 42,225	$ 38,212
Current provisions related to sales in current year	44,948	50,262
Adjustments related to prior year sales	(481)	915
Credits/payments made	(52,600)	(52,007)
Ending balance	34,092	37,382
Chargebacks and Discounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	1,259	1,047
Current provisions related to sales in current year	5,216	4,965
Adjustments related to prior year sales	(8)	131
Credits/payments made	(5,616)	(5,236)
Ending balance	851	907
Rebates, Fees and other Deductions
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	30,043	27,100
Current provisions related to sales in current year	37,270	42,562
Adjustments related to prior year sales	(473)	784
Credits/payments made	(41,474)	(43,803)
Ending balance	25,366	26,643
Product Returns
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	10,923	10,065
Current provisions related to sales in current year	2,462	2,735
Adjustments related to prior year sales	0	0
Credits/payments made	(5,510)	(2,968)
Ending balance	$ 7,875	$ 9,832