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Loans and ACL - Summary of Amortized Cost of TLMs (Detail) $ in Thousands | 9 Months Ended
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Sep. 30, 2025 USD ($) Loan | Sep. 30, 2024 USD ($) Loan
Loans and Leases Receivable Disclosure [Line Items] |  |
Number of Loans, Interest forgiveness | Loan | 1 | 0
Number of Loans | Loan | 1 | 0
Modified Interest Forgiveness Amortized Cost | $ | $ 139 | $ 0
Total Modified Loan Amortized Cost | $ | $ 139 | $ 0
Residential [Member] | Interest Forgiveness [Member] | Real Estate [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Number of Loans, Interest forgiveness | Loan | 1 | 0
Modified Interest Forgiveness Amortized Cost | $ | $ 139 | $ 0
Amortized Cost of Modified Loans to Gross Loans by Category | 0.02% | 0.00%

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- Details
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- Details
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- Details
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