Notes Payable - Narratives (Details) $ in Thousands		1 Months Ended			3 Months Ended		6 Months Ended
	May 11, 2021 USD ($) tranche	Mar. 31, 2022 USD ($)	Sep. 30, 2021 USD ($)	May 31, 2021 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Oct. 31, 2022	Oct. 27, 2022 USD ($)	Sep. 30, 2022
Notes Payable
Contractual exit fee					$ 2,003		$ 2,003
Interest expense					$ 4,208	$ 2,656	8,355	$ 4,348
Amortization of debt issuance costs							1,102	$ 703
Oaktree Capital Management LP Credit Agreement
Notes Payable
Term of loan facility	5 years
Maximum borrowing capacity available under the credit agreement	$ 100,000
Number of tranches | tranche	4
Proceeds from line of credit	$ 15,000	$ 30,000	$ 30,000
Additional borrowing capacity available, subject to certain milestone events	$ 25,000
Accrued interest rate (as a percent)	11.50%
Percentage of periodic principal payment	5.00%
Upfront fee (as a percent)	2.00%
Commitment fee (as a percent)	0.75%
Commitment fee accrual period	120 days
Debt issuance costs										$ 500
Debt issuance costs	$ 4,400	1,800	1,200
Contractual exit fee	$ 300		600
Interest expense							5,300
Interest on term loan							4,300
Amortization of debt issuance costs							$ 1,000
Exit fee, percentage	2.67%								2.67%	2.00%	2.00%
Oaktree Capital Management LP Credit Agreement | Maximum
Notes Payable
Contractual exit fee		600
Oaktree Capital Management LP Credit Agreement | Funding date of the tranche B term loans until the maturity of the Term Loans
Notes Payable
Minimum liquidity to be maintained	$ 15,000
Oaktree Capital Management LP Credit Agreement | Scenario Of Prepayment On Or Before May 11, 2023
Notes Payable
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
Notes Payable
Prepayment premium (as a percent)	4.00%
Oaktree Capital Management LP Credit Agreement | Scenario Of Prepayment Between May 11, 2024 To May 11, 2025
Notes Payable
Prepayment premium (as a percent)	2.00%
Oaktree Capital Management LP Credit Agreement | Scenario Of Prepayment After May 11, 2025
Notes Payable
Prepayment premium (as a percent)	0.00%
Oaktree Capital Management LP Credit Agreement | Term Loans Tranche A-1
Notes Payable
Proceeds from line of credit				$ 15,000
Oaktree Capital Management LP Credit Agreement | Term Loans Tranche A-2
Notes Payable
Proceeds from line of credit			$ 30,000
Oaktree Capital Management LP Credit Agreement | Term Loan Tranche B
Notes Payable
Proceeds from line of credit		30,000
Oaktree Capital Management LP Credit Agreement | Term Loan Tranche B | Maximum
Notes Payable
Commitment fees		$ 100
Oaktree Capital Management LP Credit Agreement | Term Loan Tranche C
Notes Payable
Additional borrowing capacity available, subject to certain milestone events	$ 25,000
Gross proceeds from sublicense, minimum	40,000
Net proceeds from sublicense, minimum	$ 36,000