Loans (TDR Number Of Contracts Modified And Recorded Investment) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) contracts	Sep. 30, 2015 USD ($) contracts	Sep. 30, 2016 USD ($) contracts	Sep. 30, 2015 USD ($) contracts
Financing Receivable, Recorded Investment [Line Items]
Additional Specific Reserves Related To Troubled Debt Restructuring	$ 0	$ 212	$ 975	$ 1,200
Troubled Debt Restructuring, Classification removed	$ 335		$ 2,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	80	72	88	77
Number of Contracts | contracts	115	91	309	322
Total Recorded Investment	$ 12,422	$ 7,233	$ 18,779	$ 12,993
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 3,869	$ 2,664	$ 3,951	$ 2,710
Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	0	0	0	1
Total Recorded Investment				$ 20
Commercial Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	5	7	5	7
Number of Contracts | contracts	12	8	29	33
Total Recorded Investment	$ 6,603	$ 4,063	$ 7,344	$ 6,182
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 129	$ 821	$ 129	$ 821
Construction Real Estate - Remaining Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	0	0	0	0
Number of Contracts | contracts	1	1	2	1
Total Recorded Investment	$ 947	$ 196	$ 1,144	$ 196
Residential Real Estate - Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	3	1	4	1
Number of Contracts | contracts	4	1	7	10
Total Recorded Investment	$ 225	$ 200	$ 918	$ 1,344
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 679	$ 603	$ 709	$ 603
Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	13	13	13	13
Number of Contracts | contracts	14	9	23	24
Total Recorded Investment	$ 1,173	$ 748	$ 1,809	$ 1,524
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 1,687	$ 902	$ 1,687	$ 902
Construction Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	0	0	1	0
Total Recorded Investment			$ 9
Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	$ 37	$ 4	$ 79	$ 36
SEPH Commercial Land and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	0	0	0	0
Number of Contracts | contracts	0	0	0	0
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	0	0
Number of Contracts | contracts	2	5	10	21
Total Recorded Investment	$ 91	$ 47	$ 201	$ 347
Consumer Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	53	50	60	55
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 559	$ 310	$ 611	$ 356
Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 0	$ 0	$ 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	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 0	$ 0	$ 0	$ 0
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	4	0	4	0
Number of Contracts | contracts	6	5	10	11
Total Recorded Investment	$ 1,777	$ 1,512	$ 5,118	$ 2,525
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 808		$ 808
Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	2	1	2	1
Number of Contracts | contracts	2	1	4	4
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 7	$ 28	$ 7	$ 28
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	74	61	223	217
Total Recorded Investment	$ 1,569	$ 463	$ 2,157	$ 819
Finance Leases Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts, During Period | contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 0	$ 0	$ 0	$ 0
Accruing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	246	708	3,214	2,048
Accruing [Member] | Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	0	0	0	0
Accruing [Member] | Commercial Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	152	245	102	1,014
Accruing [Member] | Construction Real Estate - Remaining Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment		196		196
Accruing [Member] | Residential Real Estate - Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment		200		200
Accruing [Member] | Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	0	0	96	325
Accruing [Member] | Construction Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	0	0	0	0
Accruing [Member] | Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	33		72
Accruing [Member] | Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	0	16	17	242
Accruing [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment			2,812
Accruing [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	61	51	115	71
Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	12,176	6,525	15,565	10,945
Nonaccrual [Member] | Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment				20
Nonaccrual [Member] | Commercial Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	6,451	3,818	7,242	5,168
Nonaccrual [Member] | Construction Real Estate - Remaining Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	947		1,144
Nonaccrual [Member] | Residential Real Estate - Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	225		918	1,144
Nonaccrual [Member] | Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	1,173	748	1,713	1,199
Nonaccrual [Member] | Construction Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment			9
Nonaccrual [Member] | Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	4	4	7	36
Nonaccrual [Member] | Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	91	31	184	105
Nonaccrual [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	1,777	1,512	2,306	2,525
Nonaccrual [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	$ 1,508	$ 412	$ 2,042	$ 748