Loans and Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Summary of consumer credit exposure
Total loans	$ 488,435	$ 514,392
Residential real estate
Summary of consumer credit exposure
Total loans	89,709	69,845
Consumer | Home equity
Summary of consumer credit exposure
Total loans	25,578	25,076
Consumer | Other
Summary of consumer credit exposure
Total loans	3,927	3,227
Performing | Residential real estate
Summary of consumer credit exposure
Total loans	89,154	69,535
Performing | Consumer | Home equity
Summary of consumer credit exposure
Total loans	25,428	24,956
Performing | Consumer | Other
Summary of consumer credit exposure
Total loans	3,925	3,227
Nonperforming | Residential real estate
Summary of consumer credit exposure
Total loans	555	310
Nonperforming | Consumer | Home equity
Summary of consumer credit exposure
Total loans	150	$ 120
Nonperforming | Consumer | Other
Summary of consumer credit exposure
Total loans	$ 2