Loans and Allowance for Loan Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Composition of the loan portfolio
Total loans	$ 482,239	$ 518,716
Commercial
Composition of the loan portfolio
Total loans	$ 71,969	$ 99,864
Percentage of loans	14.90%	19.30%
Commercial real estate
Composition of the loan portfolio
Total loans	$ 299,098	$ 302,084
Percentage of loans	62.00%	58.20%
Residential real estate
Composition of the loan portfolio
Total loans	$ 82,870	$ 87,172
Percentage of loans	17.20%	16.80%
Consumer | Home equity
Composition of the loan portfolio
Total loans	$ 24,779	$ 25,856
Percentage of loans	5.20%	5.00%
Consumer | Other
Composition of the loan portfolio
Total loans	$ 3,523	$ 3,740
Percentage of loans	0.70%	0.70%