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Federal Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2018
Federal Income Taxes [Abstract] |  |  |
Tax provision at statutory rate | $ 4,833 | $ 2,747 |
Income on tax-exempt loans and securities | (1,190) | (1,144) |
Tax benefit NOL carryback |  | (1,113) |
Investment in solar tax credit | (162) |  |
Nondeductible interest expense relating to carrying tax-exempt obligations | 26 | 43 |
Income from bank owned life insurance | (146) | (269) |
Stock option compensation | 5 |  |
Other, net | 32 | (6) |
Income tax provision | $ 3,398 | $ 258 |
Effective income tax rate | 14.80% | 2.00% |
Statutory rate | 21.00% | 21.00% | 34.00%

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