Income Taxes (Schedule Of Income Tax Expense Benefit After Federal Income Tax Rate) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Abstract]
Computed "expected" income tax expense	$ 1,456	$ 1,393
Increase (reduction) in income tax resulting from: Non-taxable income	(143)	(73)
Increase (reduction) in income tax resulting from: Non-deductible expenses	13	13
Increase (reduction) in income tax resulting from: Other	3	(4)
Income tax expense	$ 1,329	$ 1,329