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Loans And Allowance For Loan Losses (Schedule Of Impaired Loans) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Financing Receivable, Impaired [Line Items] |  |  |
Impaired loans, with no related allowance, Recorded Investment | $ 3,350 | $ 3,813 |
Impaired loans, with no related allowance, Unpaid Principal Balance | 3,574 | 5,768 |
Impaired loans, with related allowance, Recorded Investment | 2,389 | 2,321 |
Impaired loans, with related allowance, Unpaid Principal Balance | 4,464 | 2,579 |
Impaired Financing Receivable, Recorded Investment | 5,739 | 6,134 |
Impaired Financing Receivable, Unpaid Principal Balance | 8,038 | 8,347 |
Impaired loans, Related Allowance | 373 | 964 |
Impaired loans, with no related allowance, Average Recorded Investment | 4,497 | 4,272 | $ 3,830
Impaired loans, with no related allowance, Interest Recorded | 121 | 98 | 104
Impaired loans, with related allowance, Average Recorded Investment | $ 2,661 | 960 | $ 1,987
Impaired loans, with related allowance, Interest Recorded |  | 1 |
Impaired loans, Average Recorded Investment, Total | $ 7,158 | 5,232 | $ 5,797
Impaired loans, Interest Recorded, Total | 121 | 99 | 104
Commercial Real Estate Mortgages [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired loans, with no related allowance, Recorded Investment | 1,692 | 1,606 |
Impaired loans, with no related allowance, Unpaid Principal Balance | 1,736 | 1,606 |
Impaired loans, with related allowance, Recorded Investment | 531 | 1,986 |
Impaired loans, with related allowance, Unpaid Principal Balance | 531 | 2,014 |
Impaired loans, Related Allowance | 43 | 776 |
Impaired loans, with no related allowance, Average Recorded Investment | 2,663 | 1,589 | 2,387
Impaired loans, with no related allowance, Interest Recorded | 60 | 66 | $ 74
Impaired loans, with related allowance, Average Recorded Investment | $ 532 | $ 572 |
Impaired loans, with related allowance, Interest Recorded |  |  |
Commercial And Industrial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired loans, with no related allowance, Recorded Investment | $ 202 | $ 309 |
Impaired loans, with no related allowance, Unpaid Principal Balance | 352 | 309 |
Impaired loans, with related allowance, Recorded Investment | 224 | 325 |
Impaired loans, with related allowance, Unpaid Principal Balance | 374 | 555 |
Impaired loans, Related Allowance | 175 | 187 |
Impaired loans, with no related allowance, Average Recorded Investment | 346 | 537 | $ 689
Impaired loans, with no related allowance, Interest Recorded | 10 | 4 | $ 6
Impaired loans, with related allowance, Average Recorded Investment | $ 227 | $ 376 |
Impaired loans, with related allowance, Interest Recorded |  |  |
Commercial Construction And Land Development [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired loans, with no related allowance, Recorded Investment |  | $ 1,328 |
Impaired loans, with no related allowance, Unpaid Principal Balance |  | 3,253 |
Impaired loans, with related allowance, Recorded Investment | $ 1,111 |  |
Impaired loans, with related allowance, Unpaid Principal Balance | 3,036 |  |
Impaired loans, Related Allowance | $ 58 |  |
Impaired loans, with no related allowance, Average Recorded Investment |  | $ 1,514 | $ 133
Impaired loans, with no related allowance, Interest Recorded |  |  |
Impaired loans, with related allowance, Average Recorded Investment | $ 1,243 |  | $ 1,987
Impaired loans, with related allowance, Interest Recorded |  |  |
Agriculture And Other Loans To Farmers [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired loans, with no related allowance, Recorded Investment | $ 106 | $ 181 |
Impaired loans, with no related allowance, Unpaid Principal Balance | 106 | 181 |
Impaired loans, with no related allowance, Average Recorded Investment | 143 | 162 | $ 270
Impaired loans, with no related allowance, Interest Recorded | $ 8 | $ 3 |
Impaired loans, with related allowance, Average Recorded Investment |  |  |
Impaired loans, with related allowance, Interest Recorded |  |  |
Residential Real Estate Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired loans, with no related allowance, Recorded Investment | $ 1,332 | $ 389 |
Impaired loans, with no related allowance, Unpaid Principal Balance | 1,362 | 419 |
Impaired loans, with related allowance, Recorded Investment | 515 |  |
Impaired loans, with related allowance, Unpaid Principal Balance | 515 |  |
Impaired loans, Related Allowance | 97 |  |
Impaired loans, with no related allowance, Average Recorded Investment | 1,327 | 470 | $ 323
Impaired loans, with no related allowance, Interest Recorded | 42 | $ 25 | $ 21
Impaired loans, with related allowance, Average Recorded Investment | $ 650 |  |
Impaired loans, with related allowance, Interest Recorded |  |  |
Home Equity Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired loans, with no related allowance, Recorded Investment | $ 18 |  |
Impaired loans, with no related allowance, Unpaid Principal Balance | 18 |  |
Impaired loans, with no related allowance, Average Recorded Investment | $ 18 |  | $ 17
Impaired loans, with no related allowance, Interest Recorded |  |  | $ 2
Impaired loans, with related allowance, Average Recorded Investment |  |  |
Impaired loans, with related allowance, Interest Recorded |  |  |
Other Consumer Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired loans, with related allowance, Recorded Investment | $ 8 | $ 10 |
Impaired loans, with related allowance, Unpaid Principal Balance | $ 8 | 10 |
Impaired loans, Related Allowance |  | $ 1 |
Impaired loans, with no related allowance, Average Recorded Investment |  |  | $ 11
Impaired loans, with no related allowance, Interest Recorded | $ 1 |  | $ 1
Impaired loans, with related allowance, Average Recorded Investment | $ 9 | $ 12 |
Impaired loans, with related allowance, Interest Recorded |  | $ 1 |

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