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, 2022
Dec. 31, 2021
Loans And Leases Receivable Disclosure [Line Items]    
Amortized Cost $ 3,141 $ 3,398
Real Estate    
Loans And Leases Receivable Disclosure [Line Items]    
Amortized Cost 3,141 3,398
Real Estate | Retail    
Loans And Leases Receivable Disclosure [Line Items]    
Amortized Cost 1,708 1,917
Real Estate | Other    
Loans And Leases Receivable Disclosure [Line Items]    
Amortized Cost 482 499
Real Estate | Total commercial property loans    
Loans And Leases Receivable Disclosure [Line Items]    
Amortized Cost 2,190 2,416
Real Estate | Residential/Consumer Loans    
Loans And Leases Receivable Disclosure [Line Items]    
Amortized Cost $ 951 $ 982