PRODUCT REVENUE AND RESERVES FOR VARIABLE CONSIDERATION - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 42,046	$ 48,714	$ 138,427	$ 236,702
Product revenue, net
Disaggregation of Revenue [Line Items]
Total revenues	40,118	$ 41,989	117,068	$ 126,670
Accounts receivable, net	$ 21,300		$ 21,300		$ 37,300