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Accumulated Other Comprehensive Income (Loss) - Activity in Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |
Other comprehensive income (loss) before reclassification | $ (2,373) | $ 306 |
Reclassification from accumulated other comprehensive income | 1,533 |  |
Balance at beginning of period | (29,058) |  |
Balance at end of period | (28,576) | (29,058) |
Balance at beginning of period | 701,891 | 637,515 | $ 643,417
Other comprehensive income (loss), net of tax | 1,205 | 17,057 | (80,542)
Balance at end of period | 732,174 | 701,891 | 637,515
Unrealized Gains and Losses on Available for Sale Securities |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |
Balance at beginning of period | (101,292) | (124,958) | (11,864)
Other comprehensive income (loss) before reclassification | 2,527 | 21,795 | (113,094)
Reclassification from accumulated other comprehensive income |  | 1,871 |
Net current period other comprehensive income | 2,527 | 23,666 | (113,094)
Balance at end of period | (98,765) | (101,292) | (124,958)
Unrealized Gains and Losses on Cash Flow Hedge |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |
Balance at beginning of period | 306 |  |
Other comprehensive income (loss) before reclassification | (2,373) | 306 |
Reclassification from accumulated other comprehensive income | (1,533) |  |
Net current period other comprehensive income | (840) | 306 |
Balance at end of period | (534) | 306 |
Tax Benefit (Expense) |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |
Balance at beginning of period | 29,058 | 35,973 | 3,421
Other comprehensive income (loss) before reclassification | (41) | (6,351) | 32,552
Reclassification from accumulated other comprehensive income | (441) | (564) |
Net current period other comprehensive income | (482) | (6,915) | 32,552
Balance at end of period | 28,576 | 29,058 | 35,973
Accumulated Other Comprehensive Income (Loss) |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |
Balance at beginning of period | (71,928) | (88,985) | (8,443)
Other comprehensive income (loss) before reclassification | 113 | 15,750 | (80,542)
Reclassification from accumulated other comprehensive income | 1,092 | 1,307 |
Other comprehensive income (loss), net of tax | 1,205 | 17,057 | (80,542)
Balance at end of period | $ (70,723) | $ (71,928) | $ (88,985)

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