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Investment Securities (Schedule of Fair Values Investment Securities Available for Contractual Maturities) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Available for sale |  |
Contractual Maturities, Less than one year, Amount |  |
Contractual Maturities, Less than one year, Yield |  |
Contractual Maturities, One to five years, Amount | $ 5,252 | $ 4,675
Contractual Maturities, One to five years, Yield | 1.13% | 1.98%
Contractual Maturities, Five to ten years, Amount | $ 15,860 | $ 10,414
Contractual Maturities, Five to ten years, Yield | 1.85% | 2.17%
Contractual Maturities, Over ten years, Amount | $ 66,879 | $ 52,605
Contractual Maturities, Over ten years, Yield | 1.53% | 2.34%
Contractual Maturities, Total, Amount | $ 87,991 | $ 67,694
Contractual Maturities, Total, Yield | 1.57% | 2.29%
US Government Agencies [Member] |  |
Available for sale |  |
Contractual Maturities, Less than one year, Amount |  |
Contractual Maturities, Less than one year, Yield |  |
Contractual Maturities, One to five years, Amount | $ 2,500 | $ 499
Contractual Maturities, One to five years, Yield | 0.37% | 1.97%
Contractual Maturities, Five to ten years, Amount | $ 1,998 |
Contractual Maturities, Five to ten years, Yield | 1.01% |
Contractual Maturities, Over ten years, Amount | $ 999 |
Contractual Maturities, Over ten years, Yield | 1.48% |
Contractual Maturities, Total, Amount | $ 5,497 | $ 499
Contractual Maturities, Total, Yield | 0.80% | 1.97%
SBA Securities [Member] |  |
Available for sale |  |
Contractual Maturities, Less than one year, Amount |  |
Contractual Maturities, Less than one year, Yield |  |
Contractual Maturities, One to five years, Amount |  |
Contractual Maturities, One to five years, Yield |  |
Contractual Maturities, Five to ten years, Amount |  |
Contractual Maturities, Five to ten years, Yield |  |
Contractual Maturities, Over ten years, Amount | $ 490 | $ 531
Contractual Maturities, Over ten years, Yield | 0.98% | 2.62%
Contractual Maturities, Total, Amount | $ 490 | $ 531
Contractual Maturities, Total, Yield | 0.98% | 2.62%
State and Political Subdivisions [Member] |  |
Available for sale |  |
Contractual Maturities, Less than one year, Amount |  |
Contractual Maturities, Less than one year, Yield |  |
Contractual Maturities, One to five years, Amount |  | $ 808
Contractual Maturities, One to five years, Yield |  | 2.81%
Contractual Maturities, Five to ten years, Amount | $ 3,050 | $ 1,283
Contractual Maturities, Five to ten years, Yield | 2.49% | 2.96%
Contractual Maturities, Over ten years, Amount | $ 13,494 | $ 2,093
Contractual Maturities, Over ten years, Yield | 2.38% | 2.67%
Contractual Maturities, Total, Amount | $ 16,544 | $ 4,184
Contractual Maturities, Total, Yield | 2.40% | 2.79%
Asset-backed Securities [Member] |  |
Available for sale |  |
Contractual Maturities, Less than one year, Amount |  |
Contractual Maturities, Less than one year, Yield |  |
Contractual Maturities, One to five years, Amount |  |
Contractual Maturities, One to five years, Yield |  |
Contractual Maturities, Five to ten years, Amount | $ 2,087 | $ 1,493
Contractual Maturities, Five to ten years, Yield | 1.18% | 2.34%
Contractual Maturities, Over ten years, Amount | $ 9,682 | $ 11,674
Contractual Maturities, Over ten years, Yield | 1.01% | 2.61%
Contractual Maturities, Total, Amount | $ 11,769 | $ 13,167
Contractual Maturities, Total, Yield | 1.04% | 2.58%
Mortgage Backed Securities [Member] |  |
Available for sale |  |
Contractual Maturities, Less than one year, Amount |  |
Contractual Maturities, Less than one year, Yield |  |
Contractual Maturities, One to five years, Amount | $ 2,752 | $ 3,368
Contractual Maturities, One to five years, Yield | 1.82% | 1.78%
Contractual Maturities, Five to ten years, Amount | $ 8,725 | $ 7,638
Contractual Maturities, Five to ten years, Yield | 1.98% | 2.00%
Contractual Maturities, Over ten years, Amount | $ 42,214 | $ 38,307
Contractual Maturities, Over ten years, Yield | 1.39% | 2.24%
Contractual Maturities, Total, Amount | $ 53,691 | $ 49,313
Contractual Maturities, Total, Yield | 1.51% | 2.17%

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