Loans, Loans on Non-Accrual and Past Due Status (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	$ 11,575,000	$ 11,013,000
Past due status of loans [Abstract]
30 to 59 Days Past Due	7,045,000	8,145,000
60 to 89 Days Past Due	1,498,000	3,887,000
90+ Days Past Due	4,063,000	947,000
Total Past Due	12,606,000	12,979,000
Current	657,142,000	637,682,000
Total Loans	670,078,000	650,661,000
90+ Days Past Due and Still Accruing	296,000	68,000
Troubled debt restructurings included in impaired loans	15,770,000	17,090,000
Real Estate - Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	1,412,000	2,440,000
Past due status of loans [Abstract]
30 to 59 Days Past Due	1,189,000	1,270,000
60 to 89 Days Past Due	198,000	1,445,000
90+ Days Past Due	366,000	533,000
Total Past Due	1,753,000	3,248,000
Current	144,503,000	143,887,000
Total Loans	146,256,000	147,135,000
90+ Days Past Due and Still Accruing	13,000	65,000
Real Estate - Construction [Member] | Construction Lending [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	0	0
Past due status of loans [Abstract]
30 to 59 Days Past Due	0	0
60 to 89 Days Past Due	0	0
90+ Days Past Due	0	0
Total Past Due	0	0
Current	3,079,000	5,084,000
Total Loans	3,079,000	5,084,000
90+ Days Past Due and Still Accruing	0	0
Real Estate - Construction [Member] | Consumer Lot Lending [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	0	0
Past due status of loans [Abstract]
30 to 59 Days Past Due	0	0
60 to 89 Days Past Due	0	0
90+ Days Past Due	0	0
Total Past Due	0	0
Current	1,904,000	653,000
Total Loans	1,904,000	653,000
90+ Days Past Due and Still Accruing	0	0
Commercial, Financial and Agricultural Loan [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	4,435,000	5,093,000
Past due status of loans [Abstract]
30 to 59 Days Past Due	272,000	986,000
60 to 89 Days Past Due	0	1,311,000
90+ Days Past Due	129,000	0
Total Past Due	401,000	2,297,000
Current	125,106,000	114,475,000
Total Loans	125,507,000	116,772,000
90+ Days Past Due and Still Accruing	0	0
Commercial, Financial and Agricultural Loan [Member] | Land Acquisition and Development Lending [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	2,756,000	0
Past due status of loans [Abstract]
30 to 59 Days Past Due	0	0
60 to 89 Days Past Due	0	0
90+ Days Past Due	2,756,000	0
Total Past Due	2,756,000	0
Current	30,806,000	32,645,000
Total Loans	33,562,000	32,645,000
90+ Days Past Due and Still Accruing	0	0
Commercial, Financial and Agricultural Loan [Member] | Builder line lending [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	1,936,000	2,303,000
Past due status of loans [Abstract]
30 to 59 Days Past Due	0	0
60 to 89 Days Past Due	0	0
90+ Days Past Due	0	0
Total Past Due	0	0
Current	17,718,000	17,637,000
Total Loans	17,718,000	17,637,000
90+ Days Past Due and Still Accruing	0	0
Commercial, Financial and Agricultural Loan [Member] | Commercial Business Lending [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	768,000	673,000
Past due status of loans [Abstract]
30 to 59 Days Past Due	23,000	480,000
60 to 89 Days Past Due	0	0
90+ Days Past Due	551,000	0
Total Past Due	574,000	480,000
Current	38,058,000	44,701,000
Total Loans	38,632,000	45,181,000
90+ Days Past Due and Still Accruing	281,000	0
Equity Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	9,000	123,000
Past due status of loans [Abstract]
30 to 59 Days Past Due	130,000	69,000
60 to 89 Days Past Due	40,000	90,000
90+ Days Past Due	0	33,000
Total Past Due	170,000	192,000
Current	33,320,000	33,000,000
Total Loans	33,490,000	33,192,000
90+ Days Past Due and Still Accruing	0	0
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	0	0
Past due status of loans [Abstract]
30 to 59 Days Past Due	0	13,000
60 to 89 Days Past Due	0	0
90+ Days Past Due	2,000	0
Total Past Due	2,000	13,000
Current	6,146,000	6,044,000
Total Loans	6,148,000	6,057,000
90+ Days Past Due and Still Accruing	2,000	3,000
Consumer Finance [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on nonaccrual status	259,000	381,000
Past due status of loans [Abstract]
30 to 59 Days Past Due	5,431,000	5,327,000
60 to 89 Days Past Due	1,260,000	1,041,000
90+ Days Past Due	259,000	381,000
Total Past Due	6,950,000	6,749,000
Current	256,832,000	239,556,000
Total Loans	263,782,000	246,305,000
90+ Days Past Due and Still Accruing	$ 0	$ 0