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Securities (Securities Classified By Maturity Date) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Due in one year or less, Amortized Cost | $ 5,001 | $ 3,495
Due from one to five years, Amortized Cost | 2,985 | 6,483
Amortized Cost | 8,139 | 10,207
Due in one year or less, Fair Value | 5,000 | 3,472
Due from one to five years, Fair Value | 3,017 | 6,409
Available-for-sale Securities Total, Fair Value | 8,174 | 10,114
Mortgage-Backed Securities - Residential [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 126 | 167
Available-for-sale Securities Total, Fair Value | 130 | 170
Collateralized Mortgage Obligations [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 27 | 62
Available-for-sale Securities Total, Fair Value | $ 27 | $ 63

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