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Business Segments (Schedule Of Segment Reporting Information, By Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |
Net interest income | $ 4,838 | $ 4,687 |
Provision for loan losses | 100 | 200 | $ 1,612
Net interest income after provision for loan losses | 4,738 | 4,487 |
Noninterest income | 881 | 1,008 |
Noninterest expenses | 4,517 | 4,190 |
Income before income taxes | 1,102 | 1,305 |
Income tax expense | 342 | 418 |
Net income (loss) | 760 | 887 |
Total assets | 578,433 | 524,611 | $ 574,195
Community Banking [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net interest income | 4,838 | 4,687 |
Provision for loan losses | 100 | 200 |
Net interest income after provision for loan losses | 4,738 | 4,487 |
Noninterest income | 510 | 508 |
Noninterest expenses | 4,148 | 3,733 |
Income before income taxes | 1,100 | 1,262 |
Income tax expense | 341 | 403 |
Net income (loss) | 759 | 859 |
Total assets | 576,675 | 520,801 |
Mortgage [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Noninterest income | 371 | 500 |
Noninterest expenses | 369 | 457 |
Income before income taxes | 2 | 43 |
Income tax expense | 1 | 15 |
Net income (loss) | 1 | 28 |
Total assets | $ 1,758 | $ 3,810 |

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