Long-Term Borrowings (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Summary of long-term advances from the Federal Home Loan Bank
Amount of Advances	$ 66,980	$ 42,841
Weighted Average
Summary of long-term advances from the Federal Home Loan Bank
Weighted Average Interest Rate	1.39%	1.78%
Fixed-rate constant payment advances
Summary of long-term advances from the Federal Home Loan Bank
Amount of Advances	$ 1,980	$ 2,841
Fixed-rate constant payment advances | Weighted Average
Summary of long-term advances from the Federal Home Loan Bank
Weighted Average Interest Rate	1.70%	1.70%
Convertible and putable fixed-rate advance
Summary of long-term advances from the Federal Home Loan Bank
Amount of Advances	$ 65,000	$ 40,000
Convertible and putable fixed-rate advance | Weighted Average
Summary of long-term advances from the Federal Home Loan Bank
Weighted Average Interest Rate	1.38%	1.79%