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Loans - Schedule of Collateral-dependent Loans (Detail)
$ in Thousands
Jun. 30, 2023
USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]  
Collateral dependent loans $ 45
Consumer Real Estate [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Collateral dependent loans 20
Commercial Real Estate [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Collateral dependent loans $ 25