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Allowance for Loan Losses and Credit Quality - Troubled Debt Restructured Loans (Details)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2022
USD ($)
loan
Dec. 31, 2021
USD ($)
loan
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 30 35
Principal Balance | $ $ 1,888 $ 2,215
Residential real estate    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 25 29
Principal Balance | $ $ 1,538 $ 1,750
Construction real estate    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 2 2
Principal Balance | $ $ 70 $ 81
Commercial real estate    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 2 3
Principal Balance | $ $ 272 $ 375
Commercial    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Loans | loan 1 1
Principal Balance | $ $ 8 $ 9