Quarterly report pursuant to Section 13 or 15(d)

Loans - Summary of Amortized Cost Basis of Collateral Dependent Loans By Class of Loans (Detail)

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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