Investment Securities - Contractual Maturities of Investment Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Available for Sale Amortized Cost
Due within one year	$ 1,597
Due over one to five years	1,886
Due over five to ten years	1,917
Due over ten years	10,596
Amortized Cost	71,437	$ 83,563
Available for Sale Fair Value
Due within one year	1,591
Due over one to five years	1,887
Due over five to ten years	1,932
Due over ten years	10,756
Fair Value	$ 71,486	$ 81,572

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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