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Borrowings - Narrative (Details) - USD ($)					1 Months Ended	12 Months Ended
	Feb. 23, 2022	Oct. 09, 2020	Dec. 03, 2019	May 16, 2018	Nov. 30, 2021	Dec. 31, 2027	Dec. 31, 2026	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Term Loans
Principal repayment										$ 19,444,000	$ 0	$ 0
Principal outstanding										$ 33,031,000
Loan Agreement | 2018 Term Loan
Term Loans
Term loan amount				$ 50,000,000
Net proceeds from loan				49,300,000
Interest-only payment extension term (in months)		12 months	6 months
Principal repayment					$ 16,700,000
Closing fee		$ 100,000		$ 500,000
Final fee due upon maturity, acceleration, prepayment, or termination (percent)		4.95%		3.95%
Additional default interest rate				4.00%
Loan Agreement | 2018 Term Loan | Subsequent event
Term Loans
Principal outstanding	$ 25,000,000
Loan Agreement | 2018 Term Loan | LIBOR
Term Loans
Floating per annum rate (percent)				7.45%
Loan Agreement | 2018 Term Loan | Prior to first anniversary of closing date
Term Loans
Prepayment premium (as a percent)				3.00%
Loan Agreement | 2018 Term Loan | After first anniversary through second anniversary of closing date
Term Loans
Prepayment premium (as a percent)				2.00%
Loan Agreement | 2018 Term Loan | After second anniversary to maturity date
Term Loans
Prepayment premium (as a percent)				1.00%
Loan Agreement | Term Loan A | Subsequent event
Term Loans
Net proceeds from loan	27,500,000
Loan Agreement | Term Loan A | Forecast
Term Loans
Principal repayment						$ 2,300,000	$ 9,200,000	$ 9,200,000	$ 6,900,000
Final fee payment						$ 1,400,000
Loan Agreement | Term Loan B | Subsequent event
Term Loans
Remaining funding based on milestone achievement	$ 22,500,000

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