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Investment Securities and Other Investments - Summary of Unrealized Losses (Detail) $ in Thousands | Dec. 31, 2022 USD ($) Security | Dec. 31, 2021 USD ($) Security
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Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Number Of Securities | Security | 221 | 125
Available-for-sale Securities, Fair Value, Less Than 12 Months | $ 93,180 | $ 285,666
Available-for-sale Securities, Unrealized Losses, Less Than 12 Months | (8,561) | (6,714)
Available-for-sale Securities, Fair Value, 12 Months or Greater | 242,340 | 1,539
Available-for-sale Securities, Unrealized Losses, 12 months or Greater | (50,288) | (8)
Fair Value, Total | 335,520 | 287,205
Unrealized Losses, Total | $ (58,849) | $ (6,722)
State and Municipal [Member] |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Number Of Securities | Security | 82 | 38
Available-for-sale Securities, Fair Value, Less Than 12 Months | $ 18,252 | $ 27,905
Available-for-sale Securities, Unrealized Losses, Less Than 12 Months | (2,178) | (530)
Available-for-sale Securities, Fair Value, 12 Months or Greater | 31,530 |
Available-for-sale Securities, Unrealized Losses, 12 months or Greater | (6,847) |
Fair Value, Total | 49,782 | 27,905
Unrealized Losses, Total | $ (9,025) | $ (530)
U.S. Treasury and Agencies [Member] |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Number Of Securities | Security | 28 | 22
Available-for-sale Securities, Fair Value, Less Than 12 Months | $ 9,904 | $ 64,067
Available-for-sale Securities, Unrealized Losses, Less Than 12 Months | (1,039) | (1,614)
Available-for-sale Securities, Fair Value, 12 Months or Greater | 56,686 |
Available-for-sale Securities, Unrealized Losses, 12 months or Greater | (11,872) |
Fair Value, Total | 66,590 | 64,067
Unrealized Losses, Total | $ (12,911) | $ (1,614)
Mortgage Backed Securities [Member] |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Number Of Securities | Security | 78 | 54
Available-for-sale Securities, Fair Value, Less Than 12 Months | $ 39,006 | $ 186,924
Available-for-sale Securities, Unrealized Losses, Less Than 12 Months | (3,061) | (4,257)
Available-for-sale Securities, Fair Value, 12 Months or Greater | 148,449 | 543
Available-for-sale Securities, Unrealized Losses, 12 months or Greater | (30,669) | (4)
Fair Value, Total | 187,455 | 187,467
Unrealized Losses, Total | $ (33,730) | $ (4,261)
Corporate Bonds [Member] |  |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |  |
Number Of Securities | Security | 33 | 11
Available-for-sale Securities, Fair Value, Less Than 12 Months | $ 26,018 | $ 6,770
Available-for-sale Securities, Unrealized Losses, Less Than 12 Months | (2,283) | (313)
Available-for-sale Securities, Fair Value, 12 Months or Greater | 5,675 | 996
Available-for-sale Securities, Unrealized Losses, 12 months or Greater | (900) | (4)
Fair Value, Total | 31,693 | 7,766
Unrealized Losses, Total | $ (3,183) | $ (317)

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