Loans and Related Allowance for Credit Losses (Impaired Loans by Loan Portfolio Class) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Recorded Investment, Total	$ 6,541	$ 8,049
Unpaid Principal Balance, Total	8,185	9,934
Related Allowance, Total	224	164
Commercial, Financial and Agricultural [Member]
Impaired Loans with No Allowance: Recorded Investment	6	94
Impaired Loans with No Allowance: Unpaid Principal Balance	6	94
Recorded Investment, Total	6	94
Unpaid Principal Balance, Total	6	94
Real Estate - Commercial [Member]
Impaired Loans with No Allowance: Recorded Investment	998	2,017
Impaired Loans with No Allowance: Unpaid Principal Balance	1,005	2,142
Impaired Loans with Allowance: Recorded Investment	1,535	238
Impaired Loans with Allowance: Unpaid Principal Balance	1,535	238
Impaired Loans with Allowance: Related Allowance	112	26
Recorded Investment, Total	2,533	2,255
Unpaid Principal Balance, Total	2,540	2,380
Related Allowance, Total	112	26
Real Estate - Construction [Member]
Impaired Loans with No Allowance: Recorded Investment	1	504
Impaired Loans with No Allowance: Unpaid Principal Balance	64	813
Impaired Loans with Allowance: Recorded Investment	524	1,478
Impaired Loans with Allowance: Unpaid Principal Balance	802	1,502
Impaired Loans with Allowance: Related Allowance	76	93
Recorded Investment, Total	525	1,982
Unpaid Principal Balance, Total	866	2,315
Related Allowance, Total	76	93
Real Estate - Mortgage [Member]
Impaired Loans with No Allowance: Recorded Investment	3,126	3,353
Impaired Loans with No Allowance: Unpaid Principal Balance	4,382	4,751
Impaired Loans with Allowance: Recorded Investment	351	365
Impaired Loans with Allowance: Unpaid Principal Balance	391	394
Impaired Loans with Allowance: Related Allowance	36	45
Recorded Investment, Total	3,477	3,718
Unpaid Principal Balance, Total	4,773	5,145
Related Allowance, Total	$ 36	$ 45