Federal Home Loan Bank (FHLB) Advances and Other Short-Term Borrowings (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other short-term borrowings:
Securities sold under repurchase agreements	$ 1,922	$ 2,206
Securities sold under repurchase agreements, Weighted Average Interest Rate		2.47%	1.38%
Long-term Debt
Fixed-rate payable and convertible fixed-rate FHLB advances, with monthly interest payments:
Due in 2019		$ 6,000
Due in 2020	6,000	6,000
Due in 2021	8,000	4,000
Due in 2026	5,000
Due in 2029	5,000
Total FHLB advances - long-term	$ 24,000	16,000
Weighted Average Interest Rate Due in 2019	2.04%
Weighted Average Interest Rate Due in 2020	2.62%
Weighted Average Interest Rate Due in 2026	0.96%
Weighted Average Interest Rate Due in 2029	0.96%
Weighted Average Interest Rate, Total FHLB advances - long term	1.78%
Short-term Debt
FHLB advances - short-term:
Short-term		8,000
Cash management		4,000
Total FHLB advances - short-term		12,000
Total FHLB advances, Weighted Average Interest Rate	1.78%
Total FHLB advances	$ 24,000	28,000
Other short-term borrowings:
Securities sold under repurchase agreements	1,922	2,206
Total FHLB advances and other short-term borrowings	$ 25,922	$ 30,206
Securities sold under repurchase agreements, Weighted Average Interest Rate	0.34%
Total FHLB advances and other short-term borrowings, Weighted Average Interest Rate	1.68%