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Income Taxes - Additional Information (Detail) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Income Tax [Line Items] |  |  |  |
Statutory income tax rates | 21.00% | 21.00% | 21.00% | 21.00%
Effective income tax rate | 22.00% | 19.70% | 21.70% | 20.10%
UNITED STATES |  |  |  |
Income Tax [Line Items] |  |  |  |
Statutory income tax rates |  |  | 21.00% |
IRELAND | Trading Income |  |  |  |
Income Tax [Line Items] |  |  |  |
Statutory income tax rates |  |  | 12.50% |

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