Income Taxes (Reconciliation of Expected Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense based on federal corporate tax rate	$ 1,328		$ 1,118	$ 2,970	$ 2,911
Changes resulting from:
Tax-exempt income	(154)		(142)	(469)	(398)
Net operating loss carryback due to CARES Act	0	$ (290)	0	(290)	0
Disqualified dispositions from stock options	0	$ (175)	0	(175)	0
Other, net	(57)		(62)	73	(85)
Total	$ 1,117		$ 914	$ 2,109	$ 2,428