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Fair Value Measurements - Additional Information (Detail) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Investment made | $ 1,294,000 |
Fair Value, Recurring Basis |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Financial assets, fair value | 0 | $ 0
Financial liabilities, fair value | 0 | 0
Fair Value, Nonrecurring Basis |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Financial assets, fair value | 0 | 0
Financial liabilities, fair value | $ 0 | $ 0

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