Short-term Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Federal Funds Purchased [Member]
Short-term Debt [Line Items]
Short-term Debt	$ 0	$ 0
Short-term Debt, Weighted Average Interest Rate	0.00%	0.00%
Short-term Debt, Average Outstanding Amount	$ 1	$ 1
Short-term Debt, Weighted Average Interest Rate During Year	0.78%	2.58%
Short-term Debt, Maximum Month-end Outstanding Amount	$ 0	$ 0
Securities Sold under Agreements to Repurchase [Member]
Short-term Debt [Line Items]
Short-term Debt	$ 2,392	$ 1,069
Short-term Debt, Weighted Average Interest Rate	0.50%	0.50%
Short-term Debt, Average Outstanding Amount	$ 1,822	$ 1,442
Short-term Debt, Weighted Average Interest Rate During Year	0.50%	0.50%
Short-term Debt, Maximum Month-end Outstanding Amount	$ 2,496	$ 2,261