Loans and Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Summary of consumer credit exposure
Total loans	$ 482,239	$ 518,716
Residential real estate
Summary of consumer credit exposure
Total loans	82,870	87,172
Consumer | Home equity
Summary of consumer credit exposure
Total loans	24,779	25,856
Consumer | Other
Summary of consumer credit exposure
Total loans	3,523	3,740
Performing | Residential real estate
Summary of consumer credit exposure
Total loans	82,443	86,703
Performing | Consumer | Home equity
Summary of consumer credit exposure
Total loans	24,634	25,709
Performing | Consumer | Other
Summary of consumer credit exposure
Total loans	3,521	3,740
Nonperforming | Residential real estate
Summary of consumer credit exposure
Total loans	427	469
Nonperforming | Consumer | Home equity
Summary of consumer credit exposure
Total loans	145	$ 147
Nonperforming | Consumer | Other
Summary of consumer credit exposure
Total loans	$ 2