INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Loss on impairment of intangible assets		$ 238,800	$ 279,639	$ 0
Amortization of intangible assets			$ 27,527	$ 32,608
INDOCIN products
Finite-Lived Intangible Assets [Line Items]
Loss on impairment of intangible assets	$ 36,000
INDOCIN products | Product rights
Finite-Lived Intangible Assets [Line Items]
Remaining Useful Life (In years)	2 years		2 years
Otrexup
Finite-Lived Intangible Assets [Line Items]
Loss on impairment of intangible assets	$ 4,800
Otrexup | Product rights
Finite-Lived Intangible Assets [Line Items]
Remaining Useful Life (In years)	6 years		6 years