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Loans Held for Investment and Allowance for Credit Losses on Loans - Transfers from Loans and Premises and Equipment to Other Real Estate Owned and Repossessed Assets (Detail) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023
Noncash Investing and Financing Items [Abstract] |  |
Other real estate owned | $ 10,111 | $ 2,236
Repossessed assets | 2,332 | 1,448
Total | $ 12,443 | $ 3,684

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