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Securities (Fair Value And Gross Unrealized Losses For Securities Available For Sale) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Schedule Of Available For Sale Securities [Line Items] |  |
Fair Value, Less than 12 months | $ 12,014 | $ 28,102
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 46 | 316
Fair Value, 12 months or more |  | 8,191
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 49
Fair Value, Total | 12,014 | 36,293
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 46 | 365
Mortgage-Backed Securities [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 12,014 | 19,509
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 46 | 176
Fair Value, 12 months or more |  | 5,271
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 39
Fair Value, Total | 12,014 | 24,780
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ 46 | 215
Obligations Of U.S. Government Corporations And Agencies [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Fair Value, Less than 12 months |  | 5,466
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 91
Fair Value, 12 months or more |  | 1,997
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 3
Fair Value, Total |  | 7,463
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 94
Obligations Of States And Political Subdivisions [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Fair Value, Less than 12 months |  | 3,127
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 49
Fair Value, 12 months or more |  | 923
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 7
Fair Value, Total |  | 4,050
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | $ 56

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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27337-111563 + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References No definition available. + Details
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