BORROWING - Narrative (Details) $ in Thousands		6 Months Ended
	Jun. 30, 2025 USD ($) termLoan	Jun. 30, 2025 USD ($) termLoan	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Accreted value of final fee	$ 2,766	$ 2,766	$ 1,989
Total future payment obligation	209,900	209,900
Loan Agreement
Debt Instrument [Line Items]
Total principal	$ 200,000	$ 200,000	150,000
2022 Term Loan | Loan Agreement
Debt Instrument [Line Items]
Loan agreement, covenant, sum of net product revenue and unrestricted cash as percentage of outstanding loan balance, calculation period (in months)		6 months
Loan agreement covenant, sum of net product revenue and unrestricted cash as percentage of outstanding loan balance, minimum	100.00%	100.00%
Accreted value of final fee	$ 7,100	$ 7,100	5,400
Term Loan E | Loan Agreement
Debt Instrument [Line Items]
Total principal	$ 50,000	$ 50,000	$ 0
Interest rate (as percent)	4.00%	4.00%
Closing fee	$ 300	$ 300
Term Loan E | Loan Agreement | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Floating per annum rate (as percent)		0.022%
Term Loan E | Loan Agreement | Floor Rate
Debt Instrument [Line Items]
Floating per annum rate (as percent)		4.70%
Term Loan 2022 F And G | Loan Agreement
Debt Instrument [Line Items]
Number of new loans | termLoan	2	2
Term loan face amount	$ 100,000	$ 100,000
Facility fee	$ 1,000	$ 1,000
Final fee due upon maturity, acceleration, prepayment, or termination (as percent)	3.45%	3.45%
Term Loan F | Loan Agreement
Debt Instrument [Line Items]
Term loan face amount	$ 50,000	$ 50,000
Term Loan F | Loan Agreement | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate (as percent)	4.95%	4.95%
Term Loan F | Loan Agreement | Floor Rate
Debt Instrument [Line Items]
Floating per annum rate (as percent)	3.50%
Term Loan G | Loan Agreement
Debt Instrument [Line Items]
Term loan face amount	$ 50,000	$ 50,000
Term Loan G | Loan Agreement | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate (as percent)	4.95%	4.95%
Term Loan G | Loan Agreement | Floor Rate
Debt Instrument [Line Items]
Floating per annum rate (as percent)	3.50%