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Loan Quality And Allowance For Loan Losses (Internal Credit Rating For The Loan Portfolio) (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | $ 936,386 | $ 934,575
Pass [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 925,275 | 922,950
Special Mention [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 5,951 | 5,879
Substandard [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 5,160 | 5,746
Doubtful [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount |  |
Residential Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 193,972 | 190,543
Residential Real Estate [Member] | Pass [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 193,885 | 190,367
Residential Real Estate [Member] | Substandard [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 87 | 176
Residential Real Estate [Member] | Doubtful [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount |  |
Residential Real Estate [Member] | First Liens [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 143,306 | 142,946
Residential Real Estate [Member] | First Liens [Member] | Pass [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 143,264 | 142,847
Residential Real Estate [Member] | First Liens [Member] | Substandard [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 42 | 99
Residential Real Estate [Member] | First Liens [Member] | Doubtful [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount |  |
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 50,666 | 47,597
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] | Pass [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 50,621 | 47,520
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] | Substandard [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 45 | 77
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] | Doubtful [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount |  |
Residential Real Estate - Construction [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 15,482 | 13,323
Residential Real Estate - Construction [Member] | Pass [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 14,961 | 12,800
Residential Real Estate - Construction [Member] | Substandard [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 521 | 523
Residential Real Estate - Construction [Member] | Doubtful [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount |  |
Commercial Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 494,143 | 494,262
Commercial Real Estate [Member] | Pass [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 484,031 | 483,878
Commercial Real Estate [Member] | Special Mention [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 5,951 | 5,875
Commercial Real Estate [Member] | Substandard [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 4,161 | 4,509
Commercial Real Estate [Member] | Doubtful [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount |  |
Commercial [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 226,128 | 230,007
Commercial [Member] | Pass [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 225,737 | 229,465
Commercial [Member] | Special Mention [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount |  | 4
Commercial [Member] | Substandard [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 391 | 538
Commercial [Member] | Doubtful [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount |  |
Consumer [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 6,661 | 6,440
Consumer [Member] | Pass [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount | 6,661 | 6,440
Consumer [Member] | Doubtful [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans and Leases Receivable, Gross, Carrying Amount |  |

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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
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