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Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Taxes [Abstract]                              
Expected provision at the statutory rate                         $ 2,919 $ 2,758 $ 3,373
Tax-exempt income                         (592) (567) (845)
Bank owned life insurance                         (136) (126) (198)
Nondeductible interest expense                         37 18 19
Nondeductible other expenses and other, net                         98 43 (59)
Tax rate change adjustment                           3 (1,084)
Total/Actual provision for income taxes $ 584 $ 611 $ 591 $ 540 $ 525 $ 559 $ 539 $ 506 $ (872) $ 658 $ 739 $ 681 $ 2,326 $ 2,129 $ 1,206