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Loan Quality And Allowance For Loan Losses (Impaired Financing Receivables) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | $ 12,293 |  | $ 12,293 |  | $ 12,176
Unpaid Principal Balance With No Allowance | 13,636 |  | 13,636 |  | 13,484
Average Recorded Investment | 12,350 | $ 14,845 | 12,213 | $ 15,006 |
Interest Income Recognized | 101 | 114 | 206 | 226 |
Residential Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 648 |  | 648 |  | 659
Unpaid Principal Balance With No Allowance | 648 |  | 648 |  | 659
Average Recorded Investment | 651 | 805 | 653 | 848 |
Interest Income Recognized | 8 | 12 | 19 | 22 |
Residential Real Estate [Member] | First Liens [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 648 |  | 648 |  | 659
Unpaid Principal Balance With No Allowance | 648 |  | 648 |  | 659
Average Recorded Investment | 651 | 779 | 653 | 813 |
Interest Income Recognized | 8 | 11 | 19 | 21 |
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Average Recorded Investment |  | 26 |  | 35 |
Interest Income Recognized |  | 1 |  | 1 |
Residential Real Estate - Construction [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 518 |  | 518 |  | 523
Unpaid Principal Balance With No Allowance | 729 |  | 729 |  | 729
Average Recorded Investment | 520 | 651 | 521 | 652 |
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded Investment With No Allowance | 11,127 |  | 11,127 |  | 10,994
Unpaid Principal Balance With No Allowance | 12,259 |  | 12,259 |  | $ 12,096
Average Recorded Investment | 11,179 | 13,242 | 11,039 | 13,368 |
Interest Income Recognized | $ 93 | 102 | $ 187 | 204 |
Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Average Recorded Investment |  | $ 147 |  | $ 138 |

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