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Leases - Additional Information (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2023 | Oct. 31, 2021 | Jan. 31, 2021 | May 31, 2020 | May 31, 2018 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Jul. 31, 2021
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |
Rent expense |  |  |  |  |  | $ 2.3 | $ 2.6 | $ 7.1 | $ 7.9 |
Weighted-average remaining lease term |  |  |  |  |  | 8 years 4 months 24 days |  | 8 years 4 months 24 days |  |
Cash paid for operating leases |  |  |  |  |  |  |  | $ 9.3 | $ 9.7 |
Weighted-average discount rate |  |  |  |  |  | 9.80% |  | 9.80% |  |
Lessee, operating lease, term of contract |  |  |  |  |  |  |  |  |  | 12 years
Additional tenant improvement allowances | $ 4.4 |  |  |  |  |  |  |  |  |
Sublease income |  |  |  |  |  | $ 0.0 |  | $ 0.0 |  |
Tenant improvement costs in equal monthly payments annual rate | 8.50% |  |  |  |  |  |  |  |  |
Third amendment |  |  |  |  |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |
Operating lease, description |  |  |  |  |  |  |  | The lease amendment for this additional space commenced in April 2021 and expired in March 2024. |  |
Lease expiration month and year |  |  | 2024-03 |  |  |  |  |  |  |
Initial Lease Agreement |  |  |  |  |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |
Lease expiration year |  |  |  |  | 2025 |  |  |  |  |
Operating lease, existence of option to extend |  | true |  | true |  |  |  |  |  |
Corporate Office and Laboratory Space | Initial Lease Agreement |  |  |  |  |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |
Operating lease, existence of option to extend |  |  |  |  | true |  |  |  |  |
Lessee option to extend description |  |  |  |  |  |  |  | In April 2019, the Company executed the first amendment to the Initial Lease Agreement for additional corporate space, laboratory space and manufacturing capabilities. |  |
Renewal term |  |  |  |  | 7 years |  |  |  |  |

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