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Credit Quality - Schedule of Amortized Cost Loans and Leases Pledged As Collateral (Detail) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
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Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | $ 173,232 | $ 75,077
Commercial Real Estate [Member] | Owner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 22,460 | 9,589
Commercial Real Estate [Member] | Nonowner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 130,377 | 33,379
Other Commercial [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 12,072 | 21,385
Residential Real Estate [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 6,054 | 7,359
Construction & Land Development [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 2,269 | 3,365
Consumer [Member] | Bankcard [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Consumer [Member] | Other Consumer [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Residential Real Estate [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 13,129 | 14,390
Residential Real Estate [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 5
Residential Real Estate [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 6,830 | 7,037
Residential Real Estate [Member] | Other Commercial [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Residential Real Estate [Member] | Residential Real Estate [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 6,049 | 7,348
Residential Real Estate [Member] | Construction & Land Development [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 250 | 0
Residential Real Estate [Member] | Consumer [Member] | Bankcard [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Residential Real Estate [Member] | Consumer [Member] | Other Consumer [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Business Assets [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 4,005 | 15,816
Business Assets [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Business Assets [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Business Assets [Member] | Other Commercial [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 4,005 | 15,816
Business Assets [Member] | Residential Real Estate [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Business Assets [Member] | Construction & Land Development [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Business Assets [Member] | Consumer [Member] | Bankcard [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Business Assets [Member] | Consumer [Member] | Other Consumer [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Land [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 849 | 2,492
Land [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Land [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Land [Member] | Other Commercial [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Land [Member] | Residential Real Estate [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Land [Member] | Construction & Land Development [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 849 | 2,492
Land [Member] | Consumer [Member] | Bankcard [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Land [Member] | Consumer [Member] | Other Consumer [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Commercial Real Estate [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 92,773 | 32,135
Commercial Real Estate [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 3,094 | 3,119
Commercial Real Estate [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 84,786 | 23,975
Commercial Real Estate [Member] | Other Commercial [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 4,893 | 5,041
Commercial Real Estate [Member] | Residential Real Estate [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Commercial Real Estate [Member] | Construction & Land Development [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Commercial Real Estate [Member] | Consumer [Member] | Bankcard [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Commercial Real Estate [Member] | Consumer [Member] | Other Consumer [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Other Assets [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 62,476 | 10,244
Other Assets [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 19,366 | 6,465
Other Assets [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 38,761 | 2,367
Other Assets [Member] | Other Commercial [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 3,174 | 528
Other Assets [Member] | Residential Real Estate [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 5 | 11
Other Assets [Member] | Construction & Land Development [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 1,170 | 873
Other Assets [Member] | Consumer [Member] | Bankcard [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | 0 | 0
Other Assets [Member] | Consumer [Member] | Other Consumer [Member] |  |
Amortized Cost Collateral Dependent Loans [Line Items] |  |
Amortized Cost Loans and Leases Pledged As Collateral | $ 0 | $ 0

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- Definition The amortized cost of financing receivables in which repayment is expected to be derived substantially through the operation or sale of the collateral and where the borrower is experiencing financial difficulty. + References No definition available. + Details
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