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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, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | $ 17,519 |  | $ 17,519 |  | $ 12,176
Unpaid Principal Balance With No Allowance | 18,883 |  | 18,883 |  | 13,484
Average Recorded Investment | 17,742 | $ 13,503 | 14,211 | $ 13,982 |
Interest Income Recognized | 105 | 104 | 310 | 320 |
Residential Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 643 |  | 643 |  | 659
Unpaid Principal Balance With No Allowance | 643 |  | 643 |  | 659
Average Recorded Investment | 645 | 396 | 651 | 399 |
Interest Income Recognized | 12 | 6 | 30 | 18 |
Residential Real Estate [Member] | First Liens [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 643 |  | 643 |  | 659
Unpaid Principal Balance With No Allowance | 643 |  | 643 |  | 659
Average Recorded Investment | 645 | 396 | 651 | 399 |
Interest Income Recognized | 12 | 6 | 30 | 18 |
Residential Real Estate - Construction [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 515 |  | 515 |  | 523
Unpaid Principal Balance With No Allowance | 729 |  | 729 |  | 729
Average Recorded Investment | 517 | 646 | 519 | 650 |
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 16,361 |  | 16,361 |  | 10,994
Unpaid Principal Balance With No Allowance | 17,511 |  | 17,511 |  | $ 12,096
Average Recorded Investment | 16,580 | 12,461 | 13,041 | 12,933 |
Interest Income Recognized | $ 93 | $ 98 | $ 280 | $ 302 |

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