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Loans, Troubled Debt Restructurings Subsequent Default (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2021
USD ($)
loan
Sep. 30, 2020
USD ($)
loan
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 2 9
Recorded Investment | $ $ 200 $ 1,244
Residential mortgage    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 2 5
Recorded Investment | $ $ 200 $ 1,036
Home equity    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 0 4
Recorded Investment | $ $ 0 $ 208