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Loans (Residential, Home Equity and Consumer Loans Based on Payment Activity) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | $ 3,977,900 | $ 3,788,645 |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |
Total | 3,791 | 2,850 | $ 3,835
Consumer Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 49,282 | 42,688 |
One year before current fiscal year | 21,480 | 22,727 |
Two year before current fiscal year | 9,720 | 5,822 |
Three year before current fiscal year | 2,756 | 2,402 |
Four year before current fiscal year | 917 | 1,545 |
Prior | 1,912 | 1,563 |
Revolving Loans Amortized Cost Basis | 1,786 | 3,157 |
Loans | 87,853 | 79,904 |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |
2023 | 1,162 |  |
2022 | 42 |  |
2021 | 23 |  |
2020 | 71 |  |
2019 | 3 |  |
Prior | 1 |  |
Revolving Loans Amortized Cost Basis | 7 |  |
Total | 1,309 | 1,364 | 675
Consumer Loans | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 49,208 | 42,685 |
One year before current fiscal year | 21,459 | 22,708 |
Two year before current fiscal year | 9,708 | 5,610 |
Three year before current fiscal year | 2,756 | 2,394 |
Four year before current fiscal year | 917 | 1,543 |
Prior | 1,911 | 1,553 |
Revolving Loans Amortized Cost Basis | 1,783 | 3,157 |
Loans | 87,742 | 79,650 |
Consumer Loans | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 74 | 3 |
One year before current fiscal year | 21 | 19 |
Two year before current fiscal year | 12 | 212 |
Three year before current fiscal year | 0 | 8 |
Four year before current fiscal year | 0 | 2 |
Prior | 1 | 10 |
Revolving Loans Amortized Cost Basis | 3 | 0 |
Loans | 111 | 254 |
Home Equity Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 | 63 |
One year before current fiscal year | 417 | 20 |
Two year before current fiscal year | 488 | 0 |
Three year before current fiscal year | 150 | 0 |
Four year before current fiscal year | 165 | 19 |
Prior | 1,309 | 592 |
Revolving Loans Amortized Cost Basis | 297,156 | 279,054 |
Loans | 299,685 | 279,748 |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |
2023 | 0 |  |
2022 | 0 |  |
2021 | 0 |  |
2020 | 55 |  |
2019 | 0 |  |
Prior | 24 |  |
Revolving Loans Amortized Cost Basis | 15 |  |
Total | 94 | 69 | 15
Home Equity Loans | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 | 63 |
One year before current fiscal year | 170 | 0 |
Two year before current fiscal year | 236 | 0 |
Three year before current fiscal year | 90 | 0 |
Four year before current fiscal year | 165 | 0 |
Prior | 1,207 | 591 |
Revolving Loans Amortized Cost Basis | 296,784 | 278,784 |
Loans | 298,652 | 279,438 |
Home Equity Loans | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 | 0 |
One year before current fiscal year | 247 | 20 |
Two year before current fiscal year | 252 | 0 |
Three year before current fiscal year | 60 | 0 |
Four year before current fiscal year | 0 | 19 |
Prior | 102 | 1 |
Revolving Loans Amortized Cost Basis | 372 | 270 |
Loans | 1,033 | 310 |
Residential Mortgage Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 56,317 | 69,982 |
One year before current fiscal year | 65,361 | 97,337 |
Two year before current fiscal year | 86,170 | 47,104 |
Three year before current fiscal year | 41,639 | 20,080 |
Four year before current fiscal year | 17,940 | 16,742 |
Prior | 95,417 | 99,437 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Loans | 362,844 | 350,682 |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |
2023 | 0 |  |
2022 | 0 |  |
2021 | 22 |  |
2020 | 36 |  |
2019 | 0 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total | 58 | 24 | $ 45
Residential Mortgage Loans | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 56,306 | 69,982 |
One year before current fiscal year | 65,301 | 97,176 |
Two year before current fiscal year | 85,753 | 46,851 |
Three year before current fiscal year | 41,352 | 20,080 |
Four year before current fiscal year | 17,831 | 16,664 |
Prior | 94,926 | 98,699 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Loans | 361,469 | 349,452 |
Residential Mortgage Loans | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 11 | 0 |
One year before current fiscal year | 60 | 161 |
Two year before current fiscal year | 417 | 253 |
Three year before current fiscal year | 287 | 0 |
Four year before current fiscal year | 109 | 78 |
Prior | 491 | 738 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Loans | $ 1,375 | $ 1,230 |

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