Loans and Allowance for Loan Losses (Details 5) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Average recorded investment and interest income recognized on impaired loans
Average Recorded Investment, With no related allowance recorded	$ 19,142,969	$ 24,905,151	$ 21,498,298	$ 25,743,868
Average Recorded Investment, With an allowance recorded	28,029,687	27,936,942	26,874,924	26,056,617
Total impaired loans, Average Recorded Investment	47,172,656	52,842,093	48,373,222	51,800,485
Interest Recognized For the Period Ended, With no related allowance recorded	89,162	7,014	151,815	42,161
Interest Recognized For the Period Ended, With an allowance recorded	(16,067)	30,996	20,804	62,161
Total impaired loans, With an allowance recorded	73,095	38,010	172,619	104,322
Commercial, financial, and agricultural [Member]
Average recorded investment and interest income recognized on impaired loans
Average Recorded Investment, With no related allowance recorded	2,597,572	2,396,849	2,630,049	2,150,452
Average Recorded Investment, With an allowance recorded	3,841,845	1,932,068	3,284,473	1,818,910
Interest Recognized For the Period Ended, With no related allowance recorded	21,493		43,105	11,074
Interest Recognized For the Period Ended, With an allowance recorded	7,182	2,208	14,402	4,400
Real estate - construction residential [Member]
Average recorded investment and interest income recognized on impaired loans
Average Recorded Investment, With no related allowance recorded	93,283	710,681	254,863	1,731,871
Average Recorded Investment, With an allowance recorded	189,473	171,986	241,527	172,315
Interest Recognized For the Period Ended, With no related allowance recorded			6,755
Interest Recognized For the Period Ended, With an allowance recorded
Real estate - construction commercial [Member]
Average recorded investment and interest income recognized on impaired loans
Average Recorded Investment, With no related allowance recorded	1,571,747	8,256,663	1,505,991	8,251,242
Average Recorded Investment, With an allowance recorded	6,146,914	2,362,522	6,186,634	2,067,649
Interest Recognized For the Period Ended, With no related allowance recorded
Interest Recognized For the Period Ended, With an allowance recorded
Real estate - residential [Member]
Average recorded investment and interest income recognized on impaired loans
Average Recorded Investment, With no related allowance recorded	2,389,527	2,801,501	3,514,860	3,429,353
Average Recorded Investment, With an allowance recorded	2,818,306	4,405,202	2,666,116	3,998,773
Interest Recognized For the Period Ended, With no related allowance recorded	39,892	7,014	42,225	11,698
Interest Recognized For the Period Ended, With an allowance recorded	(23,249)	27,140	6,402	54,472
Real estate - commercial [Member]
Average recorded investment and interest income recognized on impaired loans
Average Recorded Investment, With no related allowance recorded	12,344,559	10,539,605	13,439,332	9,977,051
Average Recorded Investment, With an allowance recorded	15,033,149	19,065,164	14,496,174	17,998,970
Interest Recognized For the Period Ended, With no related allowance recorded	27,762		59,404	18,040
Interest Recognized For the Period Ended, With an allowance recorded		1,648		3,289
Installment and Other Consumer [Member]
Average recorded investment and interest income recognized on impaired loans
Average Recorded Investment, With no related allowance recorded	146,281	199,852	153,203	203,899
Interest Recognized For the Period Ended, With no related allowance recorded	$ 15		$ 326	$ 1,349

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5258-111524

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