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Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Securities available for sale |  |
Total assets at fair value | $ 164,955 | $ 165,003
Significant Other Observable Inputs (Level 2) [Member] |  |
Securities available for sale |  |
Total assets at fair value | 164,955 | 165,003
Obligations Of U.S. Government Corporations And Agencies [Member] |  |
Securities available for sale |  |
Total assets at fair value | 17,483 | 22,186
Obligations Of U.S. Government Corporations And Agencies [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Securities available for sale |  |
Total assets at fair value | 17,483 | 22,186
Mortgage-Backed Securities [Member] |  |
Securities available for sale |  |
Total assets at fair value | 119,009 | 108,161
Mortgage-Backed Securities [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Securities available for sale |  |
Total assets at fair value | 119,009 | 108,161
Obligations Of States And Political Subdivisions [Member] |  |
Securities available for sale |  |
Total assets at fair value | 27,213 | 34,656
Obligations Of States And Political Subdivisions [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Securities available for sale |  |
Total assets at fair value | 27,213 | $ 34,656
Subordinated Debt [Member] |  |
Securities available for sale |  |
Total assets at fair value | 1,250 |
Subordinated Debt [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Securities available for sale |  |
Total assets at fair value | $ 1,250 |

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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