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2. Investment securities (Details 2) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Amortized Cost |  |
Due within one year | $ 9,837 |
Due from one to five years | 24,402 |
Due from five to ten years | 61,085 |
Due after ten years | 7,351 |
Mortgage-backed securities | 112,274 |
Trust preferred securities | 250 |
Total | 215,199 | $ 191,013
Estimated Fair Value |  |
Due within one year | 9,988 |
Due from one to five years | 25,770 |
Due from five to ten years | 64,485 |
Due after ten years | 7,515 |
Mortgage-backed securities | 114,983 |
Trust preferred securities | 250 |
Total | $ 222,991 |

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