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Loans And Related Allowances For Loan Losses (Narrative) (Details) (USD $) | 6 Months Ended |  |  |  | 3 Months Ended
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Jun. 30, 2013 | Dec. 31, 2012 | Jun. 30, 2013 Partial Charge Off [Member] | Dec. 31, 2012 Partial Charge Off [Member] | Jun. 30, 2013 Troubled Debt Restructuring [Member] loan
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Nonaccrual Loans Subject To Partial Charge Off | $ 19,377,000 | $ 19,915,000 | $ 7,400,000 | $ 6,700,000 |
Financing Receivable, Modifications, Number of Contracts |  |  |  |  | 3
Reduction of the ALL Resulting From new TDRs | $ 11,266 |  |  |  |

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- Definition Number of financing receivables that have been 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=28368275&loc=SL6953676-111524 + Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5111-111524 + Details
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- Definition Reflects the amount of the write-down related to a troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
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