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Commitments and Contingencies - Additional Information (Detail) ft² in Thousands | Dec. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | Dec. 20, 2021 ft²
--- | --- | --- | ---
Other Commitments [Line Items] |  |  |
Contingent liabilities | $ 0 | $ 0 |
Drug Manufacturing Facility | Wisconsin |  |  |
Other Commitments [Line Items] |  |  |
Planned area of the site (in sq ft) | ft² |  |  | 160
Laboratory and Office Facility | Wisconsin |  |  |
Other Commitments [Line Items] |  |  |
Planned area of the site (in sq ft) | ft² |  |  | 140
Facilities |  |  |
Other Commitments [Line Items] |  |  |
Capital expenditures incurred | 224,700,000 |  |
Facilities | Minimum |  |  |
Other Commitments [Line Items] |  |  |
Amount intends to invest for buildout of the facilities | 60,000,000 |  |
Facilities | Maximum |  |  |
Other Commitments [Line Items] |  |  |
Amount intends to invest for buildout of the facilities | $ 73,000,000 |  |

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