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Income Taxes (Schedule Of Income Tax Expense Benefit After Federal Income Tax Rate) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Income Taxes [Abstract]    
Computed "expected" income tax expense $ 1,636 $ 1,817
Increase (reduction) in income tax resulting from: Non-taxable income (113) (106)
Increase (reduction) in income tax resulting from: Non-deductible expenses 4 38
Tax credits investments   (98)
Income Tax Expense $ 1,527 $ 1,651
U.S. Federal income tax rate 34.00% 34.00%