Loans And The Allowance For Credit Losses (Recorded Investment Of Loans, Including Nonaccrual And Restructured Loans, By Class) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	$ 76,000	$ 92,000
60-89 Days Past Due	298,000	43,000
Over 90 Days Past Due	542,000	1,961,000
Total Past Due	916,000	2,096,000
Current	1,165,317,000	1,080,827,000
Total	1,166,233,000	1,082,923,000
Greater Than 90 Days and Accruing	75,000	0
Installment Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
Over 90 Days Past Due	0	0
Total Past Due	0	0
Current	5,655,000	4,701,000
Total	5,655,000	4,701,000
Greater Than 90 Days and Accruing	0	0
All Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
Over 90 Days Past Due	0	0
Total Past Due	0	0
Current	895,000	376,000
Total	895,000	376,000
Greater Than 90 Days and Accruing	0	0
Commercial, Financial And Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
Over 90 Days Past Due	20,000	0
Total Past Due	20,000	0
Current	172,790,000	165,023,000
Total	172,810,000	165,023,000
Greater Than 90 Days and Accruing	0	0
Municipal Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
Over 90 Days Past Due	0	0
Total Past Due	0	0
Current	94,007,000	84,689,000
Total	94,007,000	84,689,000
Greater Than 90 Days and Accruing	0	0
Real Estate Loans – Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	489,706,000	460,395,000
Real Estate Loans – Residential [Member] | First Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	4,000	92,000
60-89 Days Past Due	294,000	43,000
Over 90 Days Past Due	341,000	950,000
Total Past Due	639,000	1,085,000
Current	452,440,000	420,400,000
Total	453,079,000	421,485,000
Greater Than 90 Days and Accruing	0	0
Real Estate Loans – Residential [Member] | Second Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	4,000	0
Over 90 Days Past Due	181,000	716,000
Total Past Due	185,000	716,000
Current	36,442,000	38,194,000
Total	36,627,000	38,910,000
Greater Than 90 Days and Accruing	75,000	0
Real Estate Loans – Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	371,319,000	357,178,000
Real Estate Loans – Commercial [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
Over 90 Days Past Due	0	295,000
Total Past Due	0	295,000
Current	224,416,000	222,013,000
Total	224,416,000	222,308,000
Greater Than 90 Days and Accruing	0	0
Real Estate Loans – Commercial [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	72,000	0
60-89 Days Past Due	0	0
Over 90 Days Past Due	0	0
Total Past Due	72,000	0
Current	146,831,000	134,870,000
Total	146,903,000	134,870,000
Greater Than 90 Days and Accruing	0	0
Real Estate Loans – Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	31,841,000	10,561,000
Real Estate Loans – Construction [Member] | Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
Over 90 Days Past Due	0	0
Total Past Due	0	0
Current	2,495,000	1,559,000
Total	2,495,000	1,559,000
Greater Than 90 Days and Accruing	0	0
Real Estate Loans – Construction [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
Over 90 Days Past Due	0	0
Total Past Due	0	0
Current	29,346,000	9,002,000
Total	29,346,000	9,002,000
Greater Than 90 Days and Accruing	$ 0	$ 0