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Investment Securities and Other Investments - Summary of Amortized Cost and Fair Values of Investment Securities (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Securities available for sale | $ 354,341 | $ 373,532
Investment securities, Amortized Cost | 413,015 | 378,741
Investment securities, Gross Unrealized Gains | 175 | 1,513
Investment securities, Gross Unrealized Losses | (58,849) | (6,722)
Investment securities, Fair Value | 354,341 | 373,532
State and Municipal [Member] |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Available for sale, Amortized Cost | 60,018 | 51,341
Available for sale, Gross Unrealized Gains |  | 302
Available for sale, Gross Unrealized Losses | (9,025) | (530)
Securities available for sale | 50,993 | 51,113
U.S. Treasury and Agencies [Member] |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Available for sale, Amortized Cost | 80,073 | 65,680
Available for sale, Gross Unrealized Losses | (12,911) | (1,614)
Securities available for sale | 67,162 | 64,066
Mortgage Backed Securities [Member] |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Available for sale, Amortized Cost | 230,015 | 222,968
Available for sale, Gross Unrealized Gains | 51 | 403
Available for sale, Gross Unrealized Losses | (33,730) | (4,261)
Securities available for sale | 196,336 | 219,110
Corporate Bonds [Member] |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Available for sale, Amortized Cost | 42,909 | 38,752
Available for sale, Gross Unrealized Gains | 124 | 808
Available for sale, Gross Unrealized Losses | (3,183) | (317)
Securities available for sale | $ 39,850 | $ 39,243

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