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Credit Quality - Schedule of Amortized Cost Basis Payment Status (Detail) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Current [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | $ 27,319 | $ 4,560
Current [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 11,481 | 445
Current [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 14,838 | 1,366
Current [Member] | Other Commercial [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 1,000 | 2,400
Current [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 297
Current [Member] | Construction & Land Development [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 52
Current [Member] | Consumer [Member] | Bankcard [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
Current [Member] | Consumer [Member] | Other Consumer [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
30-89 Days Past Due [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 4,398 | 4,455
30-89 Days Past Due [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
30-89 Days Past Due [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 4,398 | 4,399
30-89 Days Past Due [Member] | Other Commercial [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
30-89 Days Past Due [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 56
30-89 Days Past Due [Member] | Construction & Land Development [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
30-89 Days Past Due [Member] | Consumer [Member] | Bankcard [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
30-89 Days Past Due [Member] | Consumer [Member] | Other Consumer [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
90+ Days Past Due [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
90+ Days Past Due [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
90+ Days Past Due [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
90+ Days Past Due [Member] | Other Commercial [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
90+ Days Past Due [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
90+ Days Past Due [Member] | Construction & Land Development [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
90+ Days Past Due [Member] | Consumer [Member] | Bankcard [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | 0 | 0
90+ Days Past Due [Member] | Consumer [Member] | Other Consumer [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payment Status (Amortized Cost Basis) | $ 0 | $ 0

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