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Loans (Recorded Investment In Nonaccrual Restructured And Loans Past Due 90 Days Or More And Accruing) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	$ 90,378	$ 87,822
Accruing restructured loans	18,722	18,228
Loans past due 90 days or more and accruing	1,947	2,138
Total nonperforming loans	111,047	108,188
Commercial Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	28,179	20,057
Accruing restructured loans	325	600
Loans past due 90 days or more and accruing	0	15
Total nonperforming loans	28,504	20,672
Construction Real Estate Commercial [Domain]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	1,269	1,833
Accruing restructured loans	367	393
Loans past due 90 days or more and accruing	0	0
Total nonperforming loans	1,636	2,226
Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	8
Accruing restructured loans	101	104
Loans past due 90 days or more and accruing	0	0
Total nonperforming loans	109	104
Construction Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	31	61
Accruing restructured loans	92	95
Loans past due 90 days or more and accruing	29	12
Total nonperforming loans	152	168
Residential Real Estate - Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	21,149	23,013
Accruing restructured loans	86	89
Loans past due 90 days or more and accruing	0
Total nonperforming loans	21,235	23,102
Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	17,752	18,313
Accruing restructured loans	10,151	9,612
Loans past due 90 days or more and accruing	867	887
Total nonperforming loans	28,770	28,812
Residential Real Estate - HELOC [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	1,671	1,783
Accruing restructured loans	994	673
Loans past due 90 days or more and accruing	19	25
Total nonperforming loans	2,684	2,481
Residential Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	587	644
Accruing restructured loans	539	609
Loans past due 90 days or more and accruing	0	60
Total nonperforming loans	1,126	1,313
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	16,459	19,169
Accruing restructured loans	5,331	5,305
Loans past due 90 days or more and accruing	0
Total nonperforming loans	21,790	24,474
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	3,273	2,949
Accruing restructured loans	736	748
Loans past due 90 days or more and accruing	1,032	1,139
Total nonperforming loans	$ 5,041	$ 4,836

X

- 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.

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- Definition

Restructured Loans

+ References

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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
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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- Definition

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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 (a)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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