LICENSE AND COLLABORATION AGREEMENTS - Summary of Activity Related to Supply Agreement (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaboration and other	$ 57,588	$ 29,313	$ 530,438	$ 260,614
Supply Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cost of sales	(47,581)	(17,527)	(145,437)	(51,488)
Contract Manufacturing Revenue [Member] | Supply Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaboration and other	50,100	18,705	135,604	63,107
Royalty Revenue [Member] | Supply Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty Revenue	$ 7,488	$ 10,608	$ 19,834	$ 22,007