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Fair Value Measurements and Financial Risk - Additional Information (Detail) - USD ($) | 9 Months Ended |
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Sep. 30, 2025 | Dec. 31, 2024
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Market-based share awards liability | $ 500,000 | $ 500,000
Market-based Share Awards [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Employee right to receive restricted stock equal to maximum cash price | $ 4,900,000 |

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