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Accumulated Other Comprehensive Income (Loss) - Additional Information (Detail) - USD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Net gain (loss) on sales of securities |  | $ (499,000) | $ 15,712,000
Net unrealized gains (losses) recorded in comprehensive income |  | (100,000) | 15,300,000
sale of securities | $ 0 | 55,884,000 | 495,566,000
Unrealized Gains and Losses on Available for Sale Securities | Reclassification out of Accumulated Other Comprehensive Income |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Net gain (loss) on sales of securities |  | $ 500,000 | $ 15,700,000

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