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 | ||
---|---|---|---|
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 |