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Loans And Allowance For Loan Losses (Schedule Of Loans With Credit Quality Indicators) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | $ 553,683 | $ 506,842
Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 521,768 | 474,116
Other Assets Especially Mentioned [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 8,669 | 10,253
Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 23,246 | 22,472
Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  |
Loss [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  | 1
Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 403,594 | 371,002
Commercial [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 376,998 | 345,197
Commercial [Member] | Other Assets Especially Mentioned [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 5,868 | 7,381
Commercial [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 20,728 | 18,424
Commercial [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  |
Commercial [Member] | Loss [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  |
Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 103,586 | 79,911
Commercial And Industrial [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 98,798 | 74,771
Commercial And Industrial [Member] | Other Assets Especially Mentioned [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 2,550 | 2,349
Commercial And Industrial [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 2,238 | 2,790
Commercial And Industrial [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  |
Commercial And Industrial [Member] | Loss [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  | 1
Commercial Construction And Land Development [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 14,695 | 24,926
Commercial Construction And Land Development [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 14,695 | 23,460
Commercial Construction And Land Development [Member] | Other Assets Especially Mentioned [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  | 355
Commercial Construction And Land Development [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  | 1,111
Commercial Construction And Land Development [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  |
Commercial Construction And Land Development [Member] | Loss [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  |
Agriculture And Other Loans To Farmers [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 31,808 | 31,003
Agriculture And Other Loans To Farmers [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 31,277 | 30,688
Agriculture And Other Loans To Farmers [Member] | Other Assets Especially Mentioned [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 251 | 168
Agriculture And Other Loans To Farmers [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan | 280 | 147
Agriculture And Other Loans To Farmers [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  |
Agriculture And Other Loans To Farmers [Member] | Loss [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Commercial loan |  |

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