Loans and Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Summary of consumer credit exposure
Total loans	$ 373,788	$ 394,254
Residential real estate
Summary of consumer credit exposure
Total loans	46,803	45,414
Consumer | Home equity
Summary of consumer credit exposure
Total loans	23,363	23,334
Consumer | Other
Summary of consumer credit exposure
Total loans	3,871	3,756
Performing | Residential real estate
Summary of consumer credit exposure
Total loans	45,467	44,162
Performing | Consumer | Home equity
Summary of consumer credit exposure
Total loans	23,104	23,072
Performing | Consumer | Other
Summary of consumer credit exposure
Total loans	3,871	3,756
Nonperforming | Residential real estate
Summary of consumer credit exposure
Total loans	1,336	1,252
Nonperforming | Consumer | Home equity
Summary of consumer credit exposure
Total loans	$ 259	$ 262