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Allowance for Credit Losses - Amortized Cost Basis of Loans and Leases on Nonaccrual Status (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual Loans and Leases With No Allowance for Credit Losses | $ 3,548 | $ 1,919 |
Nonaccrual Loans and Leases | 11,905 | 7,082 |
Interest income recognized on nonaccrual loans and leases | 400 | 400 | $ 200
Accrued interest receivables written off, Interest income reversed | 900 | 800 | $ 1,400
Commercial and Industrial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual Loans and Leases With No Allowance for Credit Losses | 665 |  |
Nonaccrual Loans and Leases | 1,215 | 718 |
Commercial real estate |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual Loans and Leases With No Allowance for Credit Losses | 727 | 727 |
Nonaccrual Loans and Leases | 727 | 727 |
Residential mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual Loans and Leases With No Allowance for Credit Losses | 1,560 | 1,192 |
Nonaccrual Loans and Leases | 6,166 | $ 5,637 |
Home equity Line |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual Loans and Leases With No Allowance for Credit Losses | 596 |  |
Nonaccrual Loans and Leases | $ 3,797 |  |

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