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Investment Securities (Details 1) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
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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 | $ 9,412 | $ 8,578
Contractual Maturities, One to five years, Yield | 2.10% | 2.03%
Contractual Maturities, Five to ten years, Amount | $ 20,795 | $ 22,379
Contractual Maturities, Five to ten years, Yield | 3.11% | 2.62%
Contractual Maturities, Over ten years, Amount | $ 43,093 | $ 43,948
Contractual Maturities, Over ten years, Yield | 2.92% | 2.81%
Contractual Maturities, Total, Amount | $ 73,300 | $ 74,905
Contractual Maturities, Total, Yield | 2.94% | 2.67%
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 | $ 3,418 | $ 2,665
Contractual Maturities, One to five years, Yield | 2.06% | 2.12%
Contractual Maturities, Five to ten years, Amount | $ 5,478 | $ 6,117
Contractual Maturities, Five to ten years, Yield | 2.90% | 2.77%
Contractual Maturities, Over ten years, Amount |  |
Contractual Maturities, Over ten years, Yield |  |
Contractual Maturities, Total, Amount | $ 8,896 | $ 8,782
Contractual Maturities, Total, Yield | 2.58% | 2.57%
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 | $ 3,389 | $ 3,525
Contractual Maturities, Over ten years, Yield | 2.78% | 2.72%
Contractual Maturities, Total, Amount | $ 3,389 | $ 3,525
Contractual Maturities, Total, Yield | 2.78% | 2.72%
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 | $ 1,130 | $ 819
Contractual Maturities, One to five years, Yield | 2.96% | 2.60%
Contractual Maturities, Five to ten years, Amount | $ 4,145 | $ 4,637
Contractual Maturities, Five to ten years, Yield | 6.74% | 3.04%
Contractual Maturities, Over ten years, Amount | $ 2,900 | $ 2,900
Contractual Maturities, Over ten years, Yield | 2.87% | 2.88%
Contractual Maturities, Total, Amount | $ 8,175 | $ 8,356
Contractual Maturities, Total, Yield | 4.84% | 2.94%
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 | $ 1,776 | $ 1,862
Contractual Maturities, Five to ten years, Yield | 3.21% | 3.22%
Contractual Maturities, Over ten years, Amount | $ 7,651 | $ 7,696
Contractual Maturities, Over ten years, Yield | 3.26% | 3.29%
Contractual Maturities, Total, Amount | $ 9,426 | $ 9,558
Contractual Maturities, Total, Yield | 3.25% | 3.27%
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 | $ 4,864 | $ 5,094
Contractual Maturities, One to five years, Yield | 1.92% | 1.89%
Contractual Maturities, Five to ten years, Amount | $ 9,396 | $ 9,763
Contractual Maturities, Five to ten years, Yield | 2.22% | 2.22%
Contractual Maturities, Over ten years, Amount | $ 29,153 | $ 29,827
Contractual Maturities, Over ten years, Yield | 2.78% | 2.70%
Contractual Maturities, Total, Amount | $ 43,414 | $ 44,684
Contractual Maturities, Total, Yield | 2.61% | 2.50%

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