Loans and Allowance for Loan Losses (Details 5) (USD $)	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Average Recorded Investment
With no related allowance recorded	$ 24,346,000	$ 14,327,000
With an allowance recorded	15,133,000	27,499,000
Total impaired loans	39,479,000	41,826,000
Interest Recognized For the Period Ended
With no related allowance recorded	93,000	54,000
With an allowance recorded	48,000	54,000
Total impaired loans	141,000	108,000
Additional information about impaired loans
Contractual interest lost on nonaccrual loans	289,000	350,000
Commercial, financial, and agricultural
Average Recorded Investment
With no related allowance recorded	2,496,000	2,937,000
With an allowance recorded	2,341,000	990,000
Interest Recognized For the Period Ended
With no related allowance recorded	21,000	25,000
With an allowance recorded	8,000	7,000
Real estate - construction residential
Average Recorded Investment
With no related allowance recorded	117,000	369,000
With an allowance recorded	2,271,000	2,273,000
Real estate - construction commercial
Average Recorded Investment
With no related allowance recorded	6,998,000	2,616,000
With an allowance recorded	105,000	6,475,000
Interest Recognized For the Period Ended
With an allowance recorded		1,000
Real estate - residential
Average Recorded Investment
With no related allowance recorded	2,901,000	2,736,000
With an allowance recorded	5,479,000	4,082,000
Interest Recognized For the Period Ended
With no related allowance recorded	6,000
With an allowance recorded	40,000	20,000
Real estate - commercial
Average Recorded Investment
With no related allowance recorded	11,809,000	5,480,000
With an allowance recorded	4,594,000	13,634,000
Interest Recognized For the Period Ended
With no related allowance recorded	66,000	29,000
With an allowance recorded		26,000
Consumer
Average Recorded Investment
With no related allowance recorded	25,000	189,000
With an allowance recorded	$ 343,000	$ 45,000

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

+ References

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=28368275&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=28368275&loc=d3e5258-111524

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.

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Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.

+ References

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Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.

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Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.

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Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18794-111554

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