Loans (TDR Number Of Contracts Modified And Recorded Investment) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) contracts	Mar. 31, 2016 USD ($) contracts
Financing Receivable, Recorded Investment [Line Items]
Additional Specific Reserves Related To Troubled Debt Restructuring	$ 280	$ 25
Troubled Debt Restructuring, Classification removed	$ 0	$ 806
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	52	55
Number of Contracts | contracts	83	84
Total Recorded Investment	$ 8,085	$ 2,529
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 1,987	$ 1,095
Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	0	0
Commercial Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	6	1
Number of Contracts | contracts	6	7
Total Recorded Investment	$ 4,098	$ 847
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 198	$ 1
Residential Real Estate - Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	3	1
Number of Contracts | contracts	3	2
Total Recorded Investment	$ 2,140	$ 617
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 49	$ 90
Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	8	8
Number of Contracts | contracts	9	5
Total Recorded Investment	$ 608	$ 316
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 631	$ 516
Construction Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	0	0
Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	$ 34
Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	0	0
Number of Contracts | contracts	3	6
Total Recorded Investment	$ 206	$ 186
Construction Real Estate Commercial [Domain]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	0	0
Number of Contracts | contracts	0	0
Consumer Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	29	44
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 268	$ 463
Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 0	$ 0
Construction Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 0	$ 0
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	5	0
Number of Contracts | contracts	4	0
Total Recorded Investment	$ 379
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 838
Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	1	1
Number of Contracts | contracts	1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 3	$ 25
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	57	64
Total Recorded Investment	$ 620	$ 563
Finance Leases Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 0	$ 0
Accruing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	3,585	346
Accruing [Member] | Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	0	0
Accruing [Member] | Commercial Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	3,079	131
Accruing [Member] | Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	0	99
Accruing [Member] | Construction Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	0	0
Accruing [Member] | Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	34
Accruing [Member] | Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	200	64
Accruing [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	272	52
Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	4,500	2,183
Nonaccrual [Member] | Commercial Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	1,019	716
Nonaccrual [Member] | Residential Real Estate - Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	2,140	617
Nonaccrual [Member] | Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	608	217
Nonaccrual [Member] | Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	6	122
Nonaccrual [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	379
Nonaccrual [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	$ 348	$ 511