Borrowing - Narrative (Details) - USD ($)	Oct. 17, 2023	Feb. 23, 2022	Dec. 31, 2023	May 31, 2018
Term Loans
Principal outstanding			$ 52,475,000
2018 Exit Fee
Term Loans
Agreed amount for exit fee upon occurrence of certain conditions				$ 1,500,000
2022 Exit Fee
Term Loans
Exit fee (percent)	2.00%
Exit fee, term (in years)	10 years
2018 Term Loan | Term loan
Term Loans
Term loan amount				$ 50,000,000
Principal outstanding		$ 25,000,000
2022 Term Loan | Term loan
Term Loans
Final fee due upon maturity, acceleration, prepayment, or termination (percent)		4.95%
Loan agreement covenant, cash and cash equivalents as percentage of outstanding loan balance, minimum		80.00%
Loan agreement, covenant, cash and cash equivalents as percentage of outstanding loan balance, calculation period		6 months
Loan agreement covenant, net product revenue as percentage of outstanding loan balance, minimum		60.00%
Additional default interest rate		4.00%
2022 Term Loan | Term loan | Prior to first anniversary of closing date
Term Loans
Prepayment premium (as a percent)	3.00%
2022 Term Loan | Term loan | After first anniversary through second anniversary of closing date
Term Loans
Prepayment premium (as a percent)	2.00%
2022 Term Loan | Term loan | After second anniversary to maturity date
Term Loans
Prepayment premium (as a percent)	1.00%
Term Loan A | Term loan
Term Loans
Proceeds from loan payable, net of issuance costs		$ 27,500,000
Interest rate (as percent)	7.95%
Closing fee	$ 200,000
Term Loan A | Term loan | Secured Overnight Financing Rate (SOFR)
Term Loans
Floating per annum rate (percent)	0.022%
Term Loan A | Term loan | Floor Rate
Term Loans
Floating per annum rate (percent)	1.00%
Term Loan B | Term loan
Term Loans
Remaining funding based on milestone achievement		22,500,000
Interest rate (as percent)	7.95%
Future obligation upon loan funding or other events		$ 100,000
Term Loan B | Term loan | Secured Overnight Financing Rate (SOFR)
Term Loans
Floating per annum rate (percent)	0.022%
Term Loan B | Term loan | Floor Rate
Term Loans
Floating per annum rate (percent)	1.00%
Term Loan C | Term loan
Term Loans
Additional committed capital	$ 50,000,000
Interest rate (as percent)	4.25%
Closing fee	$ 300,000
Term Loan C | Term loan | Secured Overnight Financing Rate (SOFR)
Term Loans
Floating per annum rate (percent)	0.022%
Term Loan C | Term loan | Floor Rate
Term Loans
Floating per annum rate (percent)	4.70%
Term Loan D | Term loan
Term Loans
Additional uncommitted capital	$ 50,000,000
Interest rate (as percent)	4.25%
Closing fee percentage	0.50%
Term Loan D | Term loan | Secured Overnight Financing Rate (SOFR)
Term Loans
Floating per annum rate (percent)	0.022%
Term Loan D | Term loan | Floor Rate
Term Loans
Floating per annum rate (percent)	4.70%