Borrowings (Summary of Information Related to Federal Funds Purchased) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Advances from Federal Home Loan Banks [Abstract]
Federal funds purchased	$ 1,871	$ 0
Average balance during the year	$ 964	$ 823
Average interest rate during the year	2.63%	1.64%
Maximum month-end balance during the year	$ 7,820	$ 3,413
Gross lines of credit at year-end	28,000	28,000
Unused lines of credit at year-end	$ 26,129	$ 28,000