Loans and Related Allowace for Credit Losses (Loan Portfolio Summarized by the Past Due Status) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	$ 1,560,000	$ 1,722,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	2,284,000	4,111,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	6,424,000	8,884,000
Financing Receivable, Recorded Investment, Past Due, Total	10,268,000	14,717,000
Financing Receivable, Recorded Investment, Current	272,514,000	262,783,000
Total loans	282,782,000	277,500,000	278,347,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	785,000	742,000
Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	10,000	30,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	22,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	165,000	191,000
Financing Receivable, Recorded Investment, Past Due, Total	197,000	221,000
Financing Receivable, Recorded Investment, Current	24,447,000	19,075,000
Total loans	24,644,000	19,296,000	19,223,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	153,000	171,000
Real Estate - Commercial [Member]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due		295,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	610,000	819,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,137,000	1,928,000
Financing Receivable, Recorded Investment, Past Due, Total	1,747,000	3,042,000
Financing Receivable, Recorded Investment, Current	75,535,000	66,145,000
Total loans	77,282,000	69,187,000	66,259,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	61,000	93,000
Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	661,000	9,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	170,000	136,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,919,000	2,335,000
Financing Receivable, Recorded Investment, Past Due, Total	2,750,000	2,480,000
Financing Receivable, Recorded Investment, Current	17,547,000	15,612,000
Total loans	20,297,000	18,092,000	14,751,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing		156,000
Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	834,000	1,359,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	1,478,000	3,131,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	3,201,000	4,428,000
Financing Receivable, Recorded Investment, Past Due, Total	5,513,000	8,918,000
Financing Receivable, Recorded Investment, Current	137,705,000	144,204,000
Total loans	143,218,000	153,122,000	158,336,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	569,000	320,000
Obligations of State and Political Subdivisions [Member]
Financing Receivable, Recorded Investment, Current	12,753,000	12,769,000
Total loans	12,753,000	12,769,000	14,303,000
Personal [Member]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	55,000	29,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	4,000	25,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	2,000	2,000
Financing Receivable, Recorded Investment, Past Due, Total	61,000	56,000
Financing Receivable, Recorded Investment, Current	4,527,000	4,978,000
Total loans	4,588,000	5,034,000	5,475,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	$ 2,000	$ 2,000