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Loan Quality And Allowance For Loan Losses (Impaired Financing Receivables) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | $ 6,769 |  | $ 6,769 |  | $ 11,551
Unpaid Principal Balance With No Allowance | 7,892 |  | 7,892 |  | 12,473
Recorded Investment With Allowance | 5,687 |  | 5,687 |  | 5,702
Unpaid Principal Balance With Allowance | 5,796 |  | 5,796 |  | 5,702
Related Allowance | 1,308 |  | 1,308 |  | 228
Average Recorded Investment | 16,541 | $ 17,742 | 16,951 | $ 14,211 |
Interest Income Recognized | 130 | 105 | 334 | 310 |
Residential Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 659 |  | 659 |  | 637
Unpaid Principal Balance With No Allowance | 684 |  | 684 |  | 637
Average Recorded Investment | 663 | 645 | 655 | 651 |
Interest Income Recognized | 8 | 12 | 24 | 30 |
Residential Real Estate [Member] | First Liens [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 659 |  | 659 |  | 637
Unpaid Principal Balance With No Allowance | 684 |  | 684 |  | 637
Average Recorded Investment | 663 | 645 | 655 | 651 |
Interest Income Recognized | 8 | 12 | 24 | 30 |
Residential Real Estate - Construction [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 426 |  | 426 |  | 512
Unpaid Principal Balance With No Allowance | 729 |  | 729 |  | 729
Average Recorded Investment | 428 | 517 | 483 | 519 |
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 5,684 |  | 5,684 |  | 10,402
Unpaid Principal Balance With No Allowance | 6,479 |  | 6,479 |  | 11,107
Recorded Investment With Allowance | 5,687 |  | 5,687 |  | 5,702
Unpaid Principal Balance With Allowance | 5,796 |  | 5,796 |  | 5,702
Related Allowance | 1,308 |  | 1,308 |  | $ 228
Average Recorded Investment | 15,450 | 16,580 | 15,813 | 13,041 |
Interest Income Recognized | $ 122 | $ 93 | $ 310 | $ 280 |

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