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Loans (Recorded Investment In Nonaccrual Restructured And Loans Past Due 90 Days Or More And Accruing) (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | $ 84,294 | $ 87,822
Accruing restructured loans | 21,223 | 18,228
Loans past due 90 days or more and accruing | 1,886 | 2,138
Total nonperforming loans | 107,403 | 108,188
Commercial Financial And Agricultural [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | 18,767 | 20,057
Accruing restructured loans | 3,825 | 600
Loans past due 90 days or more and accruing | 10 | 15
Total nonperforming loans | 22,602 | 20,672
Construction Real Estate Commercial [Domain] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | 1,649 | 1,833
Accruing restructured loans | 392 | 393
Loans past due 90 days or more and accruing | 0 | 0
Total nonperforming loans | 2,041 | 2,226
Construction Real Estate - Mortgage [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | 0 |
Accruing restructured loans | 103 | 104
Loans past due 90 days or more and accruing | 0 | 0
Total nonperforming loans | 103 | 104
Construction Real Estate - Installment [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | 58 | 61
Accruing restructured loans | 92 | 95
Loans past due 90 days or more and accruing | 0 | 12
Total nonperforming loans | 150 | 168
Residential Real Estate - Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | 22,715 | 23,013
Accruing restructured loans | 88 | 89
Loans past due 90 days or more and accruing | 0 |
Total nonperforming loans | 22,803 | 23,102
Residential Real Estate - Mortgage [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | 17,632 | 18,313
Accruing restructured loans | 9,983 | 9,612
Loans past due 90 days or more and accruing | 804 | 887
Total nonperforming loans | 28,419 | 28,812
Residential Real Estate - HELOC [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | 1,683 | 1,783
Accruing restructured loans | 849 | 673
Loans past due 90 days or more and accruing | 26 | 25
Total nonperforming loans | 2,558 | 2,481
Residential Real Estate - Installment [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | 577 | 644
Accruing restructured loans | 630 | 609
Loans past due 90 days or more and accruing | 0 | 60
Total nonperforming loans | 1,207 | 1,313
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | 18,474 | 19,169
Accruing restructured loans | 4,258 | 5,305
Loans past due 90 days or more and accruing | 0 |
Total nonperforming loans | 22,732 | 24,474
Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual loans | 2,739 | 2,949
Accruing restructured loans | 1,003 | 748
Loans past due 90 days or more and accruing | 1,046 | 1,139
Total nonperforming loans | $ 4,788 | $ 4,836

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- Definition Reflects the recorded investment in nonaccrual loans, renegotiated loans not currently on nonaccrual, and loans which are contractually past due 90 days or more but whose interest continues to accrue. + References No definition available. + Details
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- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: 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=66008989&loc=d3e5111-111524 + Details
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