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2. Investment securities, Contractual Maturity (Details) $ in Thousands	Sep. 30, 2018 USD ($)
Amortized Cost
Due within one year	$ 24,659
Due from one to five years	95,923
Due from five to ten years	31,869
Due after ten years	6,582
Mortgage-backed securities	47,017
Trust preferred securities	250
Total	206,300
Estimated Fair Value
Due within one year	24,800
Due from one to five years	96,934
Due from five to ten years	31,208
Due after ten years	6,484
Mortgage-backed securities	46,290
Trust preferred securities	250
Total	$ 205,966

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