Loans and Related Allowace for Credit Losses (Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 282,782,000	$ 277,500,000	$ 278,347,000
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	245,440,000	248,741,000
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	20,859,000	14,739,000
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	12,637,000	9,049,000
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	3,846,000	4,971,000
Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	24,644,000	19,296,000	19,223,000
Commercial, Financial and Agricultural [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	18,695,000	17,570,000
Commercial, Financial and Agricultural [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	5,662,000	904,000
Commercial, Financial and Agricultural [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	287,000	822,000
Real Estate - Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	77,282,000	69,187,000	66,259,000
Real Estate - Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	60,194,000	55,198,000
Real Estate - Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	10,193,000	8,939,000
Real Estate - Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	6,671,000	5,010,000
Real Estate - Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	224,000	40,000
Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	20,297,000	18,092,000	14,751,000
Real Estate - Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	15,408,000	14,001,000
Real Estate - Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,572,000	1,022,000
Real Estate - Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,364,000	867,000
Real Estate - Construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,953,000	2,202,000
Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	143,218,000	153,122,000	158,336,000
Real Estate - Mortgage [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	133,841,000	144,179,000
Real Estate - Mortgage [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	3,403,000	3,864,000
Real Estate - Mortgage [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	4,305,000	2,350,000
Real Estate - Mortgage [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,669,000	2,729,000
Obligations of State and Political Subdivisions [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	12,753,000	12,769,000	14,303,000
Obligations of State and Political Subdivisions [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	12,724,000	12,769,000
Obligations of State and Political Subdivisions [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	29,000
Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	4,588,000	5,034,000	5,475,000
Personal [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	4,578,000	5,024,000
Personal [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans		10,000
Personal [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 10,000