LIABILITY RELATED TO THE SALE OF FUTURE ROYALTIES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Jan. 01, 2030	Dec. 31, 2022	Dec. 31, 2021	Apr. 30, 2020
Liability Related To The Sale Of Future Royalties Line Items [Line Items]
Liability related to the sale of future royalties, net of current portion	$ 1,322,248		$ 1,252,015
Blackstone Group Inc. | Net revenues from collaborations
Liability Related To The Sale Of Future Royalties Line Items [Line Items]
Collaborative arrangement, royalties and commercial milestones acquired by collaborator, percent					50.00%
Commercial milestones acquired by collaborator, percent					75.00%
Expected royalty interest payments	1,000,000
Royalty interest payment	1,000,000
Liability related to the sale of future royalties, net of current portion	$ 1,377,239		$ 1,292,304	$ 1,188,103	$ 1,000,000
Interest rate	8.00%
Closing costs	$ 10,000
Forecast | Blackstone Group Inc. | Net revenues from collaborations
Liability Related To The Sale Of Future Royalties Line Items [Line Items]
Collaborative arrangement, royalties and commercial milestones acquired by collaborator, percent		55.00%