DEFERRED REVENUE, REFUND LIABILITY AND LIABILITY RELATED TO SALE OF FUTURE ROYALTIES - Liability Related to Sale of Future Royalties (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Feb. 25, 2021
Other Liabilities Disclosure [Abstract]
Current portion (included in accrued expenses and other current liabilities)	$ 2,013	$ 2,048
Long-term portion	53,101	54,013	$ 44,800
Total liability related to sale of future royalties	$ 55,114	$ 56,061