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Loans, Troubled Debt Restructurings Subsequent Default (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
loan
Mar. 31, 2019
USD ($)
loan
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 5 12
Recorded Investment | $ $ 476 $ 790
Residential mortgage    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 3 5
Recorded Investment | $ $ 388 $ 613
Home equity    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 2 7
Recorded Investment | $ $ 88 $ 177