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Income Taxes - Reconciliations of Income Tax Rates and Actual Tax Charge (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |  |
Income from continuing operations before income taxes | $ 402,024 | $ 529,585 | $ 211,053
Net income not subject to taxes | 377,892 | 508,201 | 204,462
Net income subject to taxes | 24,132 | 21,384 | 6,591
At applicable statutory tax rates | 5,876 | 4,411 | 2,234
Effective Income Tax Reconciliation, Permanent and Currency Differences and Change In Deferred Tax Assets Valuation Allowance | (4,879) | 7,422 | (702)
Other | (592) | 329 | (115)
Tax expense related to the year | $ 405 | $ 12,162 | $ 1,417

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