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Loans And Allowance For Loan Losses (Summary Of Troubled Debt Restructures) (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2016 USD ($) loan | Mar. 31, 2015 USD ($) loan
Financing Receivable, Modifications [Line Items] |  |
Number of Loans | loan | 4 | 2
Pre-Modification Outstanding Recorded Investment | $ 425 | $ 490
Post-Modification Outstanding Recorded Investment | $ 419 | $ 490
Commercial Real Estate Mortgages [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans | loan | 2 |
Pre-Modification Outstanding Recorded Investment | $ 395 |
Post-Modification Outstanding Recorded Investment | $ 394 |
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 | $ 18
Commercial Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans | loan | 4 | 1
Pre-Modification Outstanding Recorded Investment | $ 425 | $ 18
Post-Modification Outstanding Recorded Investment | $ 419 | $ 18
Residential Real Estate Mortgages [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans | loan |  | 1
Pre-Modification Outstanding Recorded Investment |  | $ 472
Post-Modification Outstanding Recorded Investment |  | $ 472
Consumer Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans | loan |  | 1
Pre-Modification Outstanding Recorded Investment |  | $ 472
Post-Modification Outstanding Recorded Investment |  | $ 472

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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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