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Loans - Summary of Amortized Cost Basis of Collateral Dependent Loans By Class of Loans (Detail) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | $ 6,373 | $ 7,352
Real Estate |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | 2,446 | 2,174
Real Estate | Retail |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost |  | 1,530
Real Estate | Hospitality |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | 299 | 338
Real Estate | Other |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | 2,147 | 305
Real Estate | Total commercial property loans |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | 2,446 | 2,173
Real Estate | Residential |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost |  | 1
Commercial and Industrial |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | $ 3,927 | $ 5,178

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