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Investment Securities (Details 1) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Summary of amortized costs and fair values of investment securities available for sale by contractual maturity |  |
Due within one year, Amortized Cost |  | $ 1,435
Due after one through five years, Amortized Cost | 8,681 | 2,677
Due after five through ten years, Amortized Cost | 22,796 | 24,796
Due after ten years, Amortized Cost | 44,588 | 39,273
Available for sale, Amortized Cost | 76,065 | 68,181
Due within one year, Fair Value |  | 1,427
Due after one through five years, Fair Value | 8,578 | 2,666
Due after five through ten years, Fair Value | 22,379 | 24,645
Due after ten years, Fair Value | 43,948 | 38,865
Available for sale, Fair Value | $ 74,905 | $ 67,603

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