INTANGIBLE ASSETS - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		150 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Payments to date under terms of agreement		$ 18,377	$ 31,170
Goodwill	$ 800	800		$ 800	$ 800
Ligand License Agreement
Finite-Lived Intangible Assets [Line Items]
Substantial payments payable upon achievement of milestones	114,100	114,100		114,100
Payments to date under terms of agreement	5,800	$ 5,800		$ 47,200
Ligand License Agreement | Minimum
Finite-Lived Intangible Assets [Line Items]
Annual royalty percentage		15.00%
Ligand License Agreement | Maximum
Finite-Lived Intangible Assets [Line Items]
Annual royalty percentage		17.00%
Royalty Agreements
Finite-Lived Intangible Assets [Line Items]
Payments to date under terms of agreement	$ 4,100	$ 7,000