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Loans And Allowance For Loan Losses (Summary Of Post-Modification Balance of Troubled Debt Restructurings) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Loans And Allowance For Loan Losses [Abstract] |  |  |
Extended maturity and adjusted interest rate | $ 440 | $ 132 |
Adjusted payment | 981 | 735 |
Adjusted payment and capitalize interest |  | 187 |
Extended maturity, adjusted interest rate and adjusted payment |  | 746 |
Extended amortization and adjusted interest rate | 9 |  |
Court ordered concession | 1 |  |
Other concession | 26 |  |
Total | $ 1,457 | $ 1,800 | $ 127

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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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