Loans and Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Summary of credit quality indicators by internally assigned grade
Total loans	$ 384,058	$ 394,254
Commercial
Summary of credit quality indicators by internally assigned grade
Total loans	64,751	84,613
Commercial real estate
Summary of credit quality indicators by internally assigned grade
Total loans	242,437	237,137
Pass | Commercial
Summary of credit quality indicators by internally assigned grade
Total loans	58,989	77,095
Pass | Commercial real estate
Summary of credit quality indicators by internally assigned grade
Total loans	218,135	219,958
Special Mention | Commercial
Summary of credit quality indicators by internally assigned grade
Total loans	2,564	4,216
Special Mention | Commercial real estate
Summary of credit quality indicators by internally assigned grade
Total loans	16,486	7,707
Substandard | Commercial
Summary of credit quality indicators by internally assigned grade
Total loans	3,198	3,302
Substandard | Commercial real estate
Summary of credit quality indicators by internally assigned grade
Total loans	$ 7,816	$ 9,472