Loans and Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Allowance for loan losses by impairment methodology
Individually evaluated for impairment	$ 4,020	$ 3,748
Collectively evaluated for impairment	10,822	10,061
Total	14,842	13,809
Individually evaluated for impairment	39,189	53,451
Collectively evaluated for impairment	807,795	789,479
Net loans	832,142	829,121
Commercial, Financial, and Agricultural [Member]
Allowance for loan losses by impairment methodology
Individually evaluated for impairment	213	239
Collectively evaluated for impairment	1,724	1,565
Total	1,937	1,804
Individually evaluated for impairment	4,157	4,428
Collectively evaluated for impairment	125,883	124,127
Net loans	130,040	128,555
Real Estate Construction - Residential [Member]
Allowance for loan losses by impairment methodology
Individually evaluated for impairment	125	167
Collectively evaluated for impairment	607	1,021
Total	732	1,188
Individually evaluated for impairment	2,496	1,147
Collectively evaluated for impairment	19,681	29,054
Net loans	22,177	30,201
Real Estate Construction - Commercial [Member]
Allowance for loan losses by impairment methodology
Individually evaluated for impairment	542	380
Collectively evaluated for impairment	1,169	1,182
Total	1,711	1,562
Individually evaluated for impairment	7,762	7,867
Collectively evaluated for impairment	35,724	39,830
Net loans	43,486	47,697
Real Estate Mortgage - Residential [Member]
Allowance for loan losses by impairment methodology
Individually evaluated for impairment	1,069	653
Collectively evaluated for impairment	2,318	2,598
Total	3,387	3,251
Individually evaluated for impairment	5,771	6,569
Collectively evaluated for impairment	215,452	196,885
Net loans	221,223	203,454
Real Estate Mortgage - Commercial [Member]
Allowance for loan losses by impairment methodology
Individually evaluated for impairment	2,071	2,309
Collectively evaluated for impairment	4,763	3,425
Total	6,834	5,734
Individually evaluated for impairment	18,959	33,440
Collectively evaluated for impairment	386,133	369,520
Net loans	405,092	402,960
Installment Loans to Individuals [Member]
Allowance for loan losses by impairment methodology
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	239	267
Total	239	267
Individually evaluated for impairment	44	0
Collectively evaluated for impairment	24,922	30,063
Net loans	24,966	30,063
Unallocated [Member]
Allowance for loan losses by impairment methodology
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	2	3
Total	2	3
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	0	0
Net loans	$ 0	$ 0

Allowance for loan losses and loans outstanding.

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (h)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (h)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524

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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522

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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 01-6

-Paragraph 13

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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