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Securities (Securities Classified By Maturity Date) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Due in one year or less, Amortized Cost | $ 5,035 | $ 5,011
Due from one to five years, Amortized Cost | 4,563 | 3,506
Amortized Cost | 9,653 | 8,579
Due in one year or less, Fair Value | 5,056 | 5,033
Due from one to five years, Fair Value | 4,624 | 3,603
Available-for-sale Securities Total, Fair Value | 9,738 | 8,701
Mortgage-Backed Securities - Residential [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 55 | 62
Available-for-sale Securities Total, Fair Value | $ 58 | $ 65

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