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Loans - Summary of Amortized Cost Basis of Collateral Dependent Loans By Class of Loans (Detail) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | $ 12,631 | $ 2,694
Real Estate |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | 2,629 | 2,694
Real Estate | Retail |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | 1,883 | 1,930
Real Estate | Other |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | 259 | 256
Real Estate | Total commercial property loans |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | 2,142 | 2,186
Real Estate | Residential |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | 487 | $ 508
Commercial and Industrial |  |
Loans And Leases Receivable Disclosure [Line Items] |  |
Amortized Cost | $ 10,002 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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