DEBT - Schedule of Debt (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Apr. 18, 2022	Mar. 07, 2022
Debt
Total debt	$ 453,500	$ 549,704
Less: Unamortized debt discount and issuance costs	(7,266)	(9,331)
Total debt, net	446,234	540,373
Less: Current portion of long-term debt, net	0	96,193
Total long-term debt, net	$ 446,234	444,180
HealthCare Royalty Partners
Debt
Maximum potential royalty payout	14.00%
Increase in maximum potential payout percent	18.00%
Maximum aggregate royalty payments	$ 225,000
Required payment for breach of agreement, payment one	125,000
Payment for royalty agreement	18,100
2023 Notes | Convertible subordinated notes
Debt
Total debt	0	96,204	$ 96,200	$ 96,200
Less: Unamortized debt discount and issuance costs		(11)		$ (200)
2025 Notes | Convertible senior notes
Debt
Total debt	192,500	192,500
Less: Unamortized debt discount and issuance costs	(1,205)	(1,917)
2028 Notes | Convertible senior notes
Debt
Total debt	261,000	261,000
Less: Unamortized debt discount and issuance costs	(6,061)	(7,403)
Royalty Financing Agreement | Loans Payable [Member] | HealthCare Royalty Partners
Debt
Interest expense	6,500	1,800
Deferred royalty obligations	69,900	70,600
Royalty Payments	$ 5,400	$ 1,000
Percentage of interest rate	16.46%