Investment Securities - Contractual Maturities of Investment Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Available for Sale Amortized Cost
Due within one year	$ 932
Due over one to five years	1,310
Due over five to ten years	7,192
Due over ten years	27,771
Amortized Cost	83,563	$ 90,268
Available for Sale Fair Value
Due within one year	927
Due over one to five years	1,297
Due over five to ten years	7,136
Due over ten years	27,419
Fair Value	81,572	89,349
Agency mortgage-backed securities
Available for Sale Amortized Cost
Amortized Cost	25,895	25,725
Available for Sale Fair Value
Fair Value	24,987	25,229
Collateralized mortgage obligations
Available for Sale Amortized Cost
Amortized Cost	20,463	24,063
Available for Sale Fair Value
Fair Value	$ 19,806	$ 23,514

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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