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Notes Payable - Narratives (Details)			1 Months Ended	3 Months Ended
Notes Payable - Narratives (Details)	May 11, 2021 USD ($) tranche	May 11, 2011 USD ($)	Sep. 30, 2021 USD ($)	Mar. 31, 2022 USD ($)
Debt Instrument [Line Items]
Proceeds from line of credit				$ 75,000,000.0
Contractual exit fee				1,500,000
Interest Expense				1,692,000
Amortization of debt issuance costs				282,000
Oaktree Capital Management LP Credit Agreement
Debt Instrument [Line Items]
Term of loan facility	5 years
Maximum borrowing capacity available under the credit agreement	$ 125,000,000.0
Number of tranches \| tranche	5
Additional borrowing capacity available, subject to certain milestone events	$ 50,000,000.0
Proceeds from line of credit	$ 15,000,000.0		$ 30,000,000.0	30,000,000.0
Accrued interest rate (as a percent)	11.50%
Percentage of periodic principal payment	5.00%
Upfront fee (as a percent)	2.00%
Commitment fee accrual period	120 days
Debt Instrument Commitment Fee	$ 0.75
Percentage of term loan exit fees	2.00%
Payment of Debt Commitment Fee				100,000
Debt issuance costs	$ 4,400,000		1,200,000	1,800,000
Contractual exit fee	300,000		$ 600,000
Interest Expense				1,700,000
Interest on term loan				1,300,000
Amortization of debt issuance costs				300,000
Oaktree Capital Management LP Credit Agreement \| Maximum
Debt Instrument [Line Items]
Debt Instrument Commitment Fee				100,000
Contractual exit fee				600,000
Oaktree Capital Management LP Credit Agreement \| Funding of the tranche A- 2 term loans until the funding of the tranche B term loans
Debt Instrument [Line Items]
Minimum liquidity to be maintained				15,000,000.0
Oaktree Capital Management LP Credit Agreement \| Funding date of the tranche B term loans until the maturity of the Term Loans
Debt Instrument [Line Items]
Minimum liquidity to be maintained	$ 15,000,000.0
Oaktree Capital Management LP Credit Agreement \| Scenario Of Prepayment On Or Before May 11, 2023
Debt Instrument [Line Items]
Prepayment premium (as a percent)	4.00%
Oaktree Capital Management LP Credit Agreement \| Scenario Of Prepayment Occurs Between May 11, 2023 To May 11, 2024
Debt Instrument [Line Items]
Prepayment premium (as a percent)	4.00%
Oaktree Capital Management LP Credit Agreement \| Scenario Of Prepayment Between May 11, 2024 To May 11, 2025
Debt Instrument [Line Items]
Prepayment premium (as a percent)	2.00%
Oaktree Capital Management LP Credit Agreement \| Scenario Of Prepayment After May 11, 2025
Debt Instrument [Line Items]
Prepayment premium (as a percent)	0.00%
Oaktree Capital Management LP Credit Agreement \| Prepayment occurs on or before May 11, 2022
Debt Instrument [Line Items]
Prepayment premium (as a percent)	12.50%
Oaktree Capital Management LP Credit Agreement \| Prepayment occurs after May 11, 2022 but on or before May 11, 2023
Debt Instrument [Line Items]
Prepayment premium (as a percent)	10.00%
Oaktree Capital Management LP Credit Agreement \| Term Loans Tranche A-1
Debt Instrument [Line Items]
Proceeds from line of credit		$ 15,000,000.0
Oaktree Capital Management LP Credit Agreement \| Term Loans Tranche A-2
Debt Instrument [Line Items]
Proceeds from line of credit	$ 30,000,000.0			30,000,000.0
Oaktree Capital Management LP Credit Agreement \| Term Loan Tranche B
Debt Instrument [Line Items]
Proceeds from line of credit				30,000,000.0
Debt Instrument Commitment Fee				100,000
Oaktree Capital Management LP Credit Agreement \| Term Loan Tranche B \| Maximum
Debt Instrument [Line Items]
Debt Instrument Commitment Fee Accrued				$ 100,000
Oaktree Capital Management LP Credit Agreement \| Term Loan Tranche C
Debt Instrument [Line Items]
Additional borrowing capacity available, subject to certain milestone events	25,000,000.0
Gross proceeds from sublicense, minimum	40,000,000.0
Net proceeds from sublicense, minimum	36,000,000.0
Oaktree Capital Management LP Credit Agreement \| Term Loan Tranche D
Debt Instrument [Line Items]
Additional borrowing capacity available, subject to certain milestone events	25,000,000.0
Net product revenue, minimum	$ 50,000,000.0
Net product revenue, consecutive earning period	6 months