Borrowings (Schedule of Short-term Borrowings) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Short-term Debt [Line Items]
Short-term borrowings, At Year End	$ 1,226	$ 60,812
Retail Repurchase Agreements [Member]
Short-term Debt [Line Items]
Short-term borrowings, Average for the Year	$ 1,061	$ 3,341
Short-term borrowings, weighted interest rate, Average for the Year	1.39%	1.09%
Short-term borrowings, At Year End	$ 1,226	$ 823
Short-term debt, weighted interest rate, At Year End	0.81%	1.87%
Federal Home Loan Bank Advances [Member]
Short-term Debt [Line Items]
Short-term borrowings, Average for the Year	$ 17,378	$ 73,970
Short-term borrowings, weighted interest rate, Average for the Year	2.68%	2.16%
Short-term borrowings, At Year End		$ 59,989
Short-term debt, weighted interest rate, At Year End		2.63%
Federal Funds Purchased [Member]
Short-term Debt [Line Items]
Short-term borrowings, Average for the Year	$ 14
Short-term borrowings, weighted interest rate, Average for the Year	2.86%