Investment Securities Debt Securities by Contactual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Available-for-sale
Due in one year or less, Amortized Cost	$ 360
Due from one to five years, Amortized Cost	4,522
Due from five to ten years, Amortized Cost	24,541
Due after ten years, Amortized Cost	13,301
Debt securities with single maturity date, Amortized Cost	42,724
Agency MBS, Amortized Cost	11,083
Total debt securities available-for-sale, Amortized Cost	53,807
Due in one year or less, Fair Value	360
Due from one to five years, Fair Value	4,553
Due from five to ten years, Fair Value	24,535
Due after ten years, Fair Value	13,259
Debt securities with single maturity date, Fair Value	42,707
Agency MBS, Fair Value	11,058
Total debt securities available-for-sale, Fair Value	53,765
Held-to-maturity
Due from one to five years, Amortized Cost	998
Due from five to ten years, Amortized Cost	1,000
Due after ten years, Amortized Cost	3,219
Total debt securities held-to-maturity, Amortized Cost	5,217	$ 7,215
Due from one to five years, Fair Value	993
Due from five to ten years, Fair Value	992
Due after ten years, Fair Value	3,131
Total debt securities held-to-maturity, Fair Value	$ 5,116	$ 7,100