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Income Taxes - Schedule of Income Tax Amounts were Recorded in Shareholder's Equity as Elements of Other Comprehensive Income (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Abstract] |  |  |
Securities and defined benefit pension plan unrecognized items | $ (82,295) | $ (11,322) | $ 9,730

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- Definition Income tax amounts recorded in other comprehensive income related to securities and defined benefit pension plan. + References No definition available. + Details
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