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Pension Information - Additional Information (Detail) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Retirement Benefits [Abstract] |  |
Additional benefits under pension plan | $ 0 |
Expected future employer contributions | $ 0 |
Employer contributions |  | $ 0

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