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v3.25.3

Available-for-Sale Securities and Fair Value on Financial Instruments - Additional Information (Detail) - USD ($) | Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024
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Schedule of Available-for-sale Securities [Line Items] |  |  |
Credit losses recognized | $ 0 | $ 0 | $ 0

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