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Loans And Allowance For Loan Losses (Summary Of Troubled Debt Restructures) (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 USD ($) loan | Jun. 30, 2015 USD ($) loan | Jun. 30, 2016 USD ($) loan | Jun. 30, 2015 USD ($) loan
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans | loan | 1 | 2 | 5 | 4
Pre-Modification Outstanding Recorded Investment | $ 30 | $ 795 | $ 455 | $ 1,285
Post-Modification Outstanding Recorded Investment | $ 30 | $ 794 | $ 443 | $ 1,283
Commercial Real Estate Mortgages [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans | loan | 1 |  | 3 |
Pre-Modification Outstanding Recorded Investment | $ 30 |  | $ 425 |
Post-Modification Outstanding Recorded Investment | $ 30 |  | $ 418 |
Agriculture And Other Loans To Farmers [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans | loan |  |  | 2 | 1
Pre-Modification Outstanding Recorded Investment |  |  | $ 30 | $ 18
Post-Modification Outstanding Recorded Investment |  |  | $ 25 | $ 17
Commercial Loans [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans | loan | 1 |  | 5 | 1
Pre-Modification Outstanding Recorded Investment | $ 30 |  | $ 455 | $ 18
Post-Modification Outstanding Recorded Investment | $ 30 |  | $ 443 | $ 17
Residential Real Estate Mortgages [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans | loan |  | 2 |  | 3
Pre-Modification Outstanding Recorded Investment |  | $ 795 |  | $ 1,267
Post-Modification Outstanding Recorded Investment |  | $ 794 |  | $ 1,266
Consumer Loans [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans | loan |  | 2 |  | 3
Pre-Modification Outstanding Recorded Investment |  | $ 795 |  | $ 1,267
Post-Modification Outstanding Recorded Investment |  | $ 794 |  | $ 1,266

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- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524 + Details
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