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Loans (Recorded Investment In Nonaccrual Restructured And Loans Past Due 90 Days Or More And Accruing) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Impaired Financing Receivable, Recorded Investment	$ 50,907	$ 50,322	$ 48,144
Nonaccrual loans	69,175		67,954
Accruing restructured loans	15,829		15,222
Loans past due 90 days or more and accruing	1,589		2,302
Total nonperforming loans	86,593		85,478
Impaired Financing Receivable, Average Recorded Investment	48,602	50,863
Impaired Financing Receivable, Interest Income, Cash Basis Method	350	421
Commercial Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Impaired Financing Receivable, Recorded Investment	14,844	27,050
Nonaccrual loans	14,678		14,998
Accruing restructured loans	221		196
Loans past due 90 days or more and accruing	45		10
Total nonperforming loans	14,944		15,204
Impaired Financing Receivable, Average Recorded Investment	14,924	20,078
Impaired Financing Receivable, Interest Income, Cash Basis Method	47	174
Construction Real Estate Commercial [Domain]
Financing Receivable, Recorded Investment [Line Items]
Impaired Financing Receivable, Recorded Investment	2,879	1,393
Nonaccrual loans	2,401		1,866
Accruing restructured loans	478		0
Loans past due 90 days or more and accruing	0		0
Total nonperforming loans	2,879		1,866
Impaired Financing Receivable, Average Recorded Investment	2,239	1,377
Impaired Financing Receivable, Interest Income, Cash Basis Method	12	14
Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	0
Accruing restructured loans	8		15
Loans past due 90 days or more and accruing	80		20
Total nonperforming loans	88		35
Construction Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	11		19
Accruing restructured loans	8		9
Loans past due 90 days or more and accruing	0		0
Total nonperforming loans	19		28
Residential Real Estate Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Impaired Financing Receivable, Recorded Investment	2,046	2,896
Nonaccrual loans	1,992		2,610
Accruing restructured loans	54		122
Loans past due 90 days or more and accruing	0
Total nonperforming loans	2,046		2,732
Impaired Financing Receivable, Average Recorded Investment	2,588	11,215
Impaired Financing Receivable, Interest Income, Cash Basis Method	20	31
Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	16,435		16,892
Accruing restructured loans	9,010		9,100
Loans past due 90 days or more and accruing	582		1,124
Total nonperforming loans	26,027		27,116
Residential Real Estate - HELOC [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	1,848		2,158
Accruing restructured loans	954		1,028
Loans past due 90 days or more and accruing	155		9
Total nonperforming loans	2,957		3,195
Residential Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	505		468
Accruing restructured loans	1,174		1,049
Loans past due 90 days or more and accruing	0		24
Total nonperforming loans	1,679		1,541
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Impaired Financing Receivable, Recorded Investment	31,138	18,983
Nonaccrual loans	28,114		25,566
Accruing restructured loans	3,024		2,860
Loans past due 90 days or more and accruing	0
Total nonperforming loans	31,138		28,426
Impaired Financing Receivable, Average Recorded Investment	28,851	18,193
Impaired Financing Receivable, Interest Income, Cash Basis Method	271	$ 202
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Nonaccrual loans	3,191		3,377
Accruing restructured loans	898		843
Loans past due 90 days or more and accruing	727		1,115
Total nonperforming loans	$ 4,816		$ 5,335

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

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

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-Publisher FASB
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-Topic 310
-SubTopic 40
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Recorded investment in financing receivables that are 90 days or more past due and still accruing.

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-Publisher FASB
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Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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