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Income Taxes - Summary of Net Deferred Tax Asset Reported in Other Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Income Tax Disclosure [Abstract] |  |
Unrealized net losses on securities | $ 15,473 | $ 22,107
Provision for credit losses | 22,782 | 20,988
Write-downs of other real estate owned | 2,522 | 938
Deferred compensation | 2,116 | 2,142
Stock-based compensation | 2,199 | 1,643
Investments in partnership interests | 7,260 | 6,056
Other | 911 | 1,123
Gross deferred tax assets | 53,263 | 54,997
Intangibles | (5,639) | (6,346)
Basis difference related to tax credits | (5,462) | (4,118)
Depreciation | (21,833) | (20,360)
Prepaid expense deducted | (1,243) | (1,139)
Other | (181) | (283)
Gross deferred tax liabilities | (34,358) | (32,246)
Net deferred tax asset | $ 18,905 | $ 22,751

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