Investment Securities Debt Securities by Contactual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Available-for-sale Securities
Due in one year or less, Amortized Cost	$ 940
Due from one to five years, Amortized Cost	3,944
Due from five to ten years, Amortized Cost	13,547
Due after ten years, Amortized Cost	21,713
Debt securities with single maturity date, Amortized Cost	40,144
Agency mortgage-backed, Amortized Cost	41,847
Total debt securities available-for-sale, Amortized Cost	81,991	$ 86,145
Due in one year or less, Fair Value	945
Due from one to five years, Fair Value	4,255
Due from five to ten years, Fair Value	14,178
Due after ten years, Fair Value	22,573
Debt securities with single maturity date, Fair Value	41,951
Agency mortgage-backed, Fair Value	43,479
Total debt securities available-for-sale, Fair Value	$ 85,430	$ 87,393