Credit Quality of Loans and Allowance for Loan Losses, Impaired Loans by Class of Loans (Details) (USD $)	3 Months Ended	12 Months Ended
Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
With no related allowance recorded [Abstract]
Recorded Investment	$ 5,244,000		$ 3,173,000
Unpaid Principal Balance	6,111,000		4,083,000
Related Allowance	0		0
Average Recorded Investment	4,207,000		4,363,000
Interest Income Recognized	22,000		26,000
With an allowance recorded [Abstract]
Recorded Investment	1,621,000		1,552,000
Unpaid Principal Balance	1,655,000		1,572,000
Related Allowance	348,000		405,000
Average Recorded Investment	1,588,000		1,720,000
Interest Income Recognized	4,000		21,000
Totals [Abstract]
Recorded Investment	6,865,000		4,725,000
Unpaid Principal Balance	7,766,000		5,655,000
Related Allowance	348,000		405,000
Average Recorded Investment	5,795,000		6,083,000
Interest Income Recognized	26,000		47,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	6,025,000		5,099,000
Interest lost on nonaccrual loans	118,000	148,000
Interest received on nonaccrual loans	88,000	36,000
Commercial, Financial and Agricultural [Member]
With no related allowance recorded [Abstract]
Recorded Investment	1,842,000		671,000
Unpaid Principal Balance	2,235,000		1,107,000
Related Allowance	0		0
Average Recorded Investment	1,256,000		617,000
Interest Income Recognized	21,000		3,000
With an allowance recorded [Abstract]
Recorded Investment	431,000		570,000
Unpaid Principal Balance	431,000		570,000
Related Allowance	86,000		168,000
Average Recorded Investment	501,000		821,000
Interest Income Recognized	0		3,000
Totals [Abstract]
Related Allowance	86,000		168,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	1,118,000		1,272,000
Commercial Real Estate - Construction [Member]
With no related allowance recorded [Abstract]
Recorded Investment	71,000		61,000
Unpaid Principal Balance	71,000		61,000
Related Allowance	0		0
Average Recorded Investment	66,000		416,000
Interest Income Recognized	0		0
With an allowance recorded [Abstract]
Recorded Investment	39,000		39,000
Unpaid Principal Balance	39,000		39,000
Related Allowance	3,000		3,000
Average Recorded Investment	39,000		102,000
Interest Income Recognized	1,000		1,000
Totals [Abstract]
Related Allowance	3,000		3,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	44,000		100,000
Commercial Real Estate - Other [Member]
With no related allowance recorded [Abstract]
Recorded Investment	2,697,000		1,850,000
Unpaid Principal Balance	3,171,000		2,324,000
Related Allowance	0		0
Average Recorded Investment	2,273,000		2,190,000
Interest Income Recognized	0		8,000
With an allowance recorded [Abstract]
Recorded Investment	498,000		363,000
Unpaid Principal Balance	498,000		363,000
Related Allowance	57,000		54,000
Average Recorded Investment	431,000		372,000
Interest Income Recognized	2,000		11,000
Totals [Abstract]
Related Allowance	57,000		54,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	3,377,000		2,290,000
Consumer - Other [Member]
With no related allowance recorded [Abstract]
Recorded Investment	61,000		66,000
Unpaid Principal Balance	61,000		66,000
Related Allowance	0		0
Average Recorded Investment	63,000		90,000
Interest Income Recognized	0		1,000
With an allowance recorded [Abstract]
Recorded Investment	231,000		205,000
Unpaid Principal Balance	245,000		205,000
Related Allowance	131,000		120,000
Average Recorded Investment	218,000		211,000
Interest Income Recognized	0		2,000
Totals [Abstract]
Related Allowance	131,000		120,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	299,000		284,000
Residential - Prime [Member]
With no related allowance recorded [Abstract]
Recorded Investment	529,000		525,000
Unpaid Principal Balance	529,000		525,000
Related Allowance	0		0
Average Recorded Investment	527,000		1,050,000
Interest Income Recognized	1,000		14,000
With an allowance recorded [Abstract]
Recorded Investment	422,000		375,000
Unpaid Principal Balance	442,000		395,000
Related Allowance	71,000		60,000
Average Recorded Investment	399,000		214,000
Interest Income Recognized	1,000		4,000
Totals [Abstract]
Related Allowance	71,000		60,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	1,187,000		1,153,000
Lease Financing Receivable [Member]
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0
Other Loans [Member]
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0
Commercial Total [Member]
With an allowance recorded [Abstract]
Related Allowance	143,000		222,000
Totals [Abstract]
Recorded Investment	5,468,000		3,454,000
Unpaid Principal Balance	6,335,000		4,364,000
Related Allowance	143,000		222,000
Average Recorded Investment	4,461,000		4,000,000
Interest Income Recognized	22,000		25,000
Consumer Total [Member]
With an allowance recorded [Abstract]
Related Allowance	131,000		120,000
Totals [Abstract]
Recorded Investment	292,000		271,000
Unpaid Principal Balance	306,000		271,000
Related Allowance	131,000		120,000
Average Recorded Investment	281,000		301,000
Interest Income Recognized	0		3,000
Residential Total [Member]
With an allowance recorded [Abstract]
Related Allowance	71,000		60,000
Totals [Abstract]
Recorded Investment	951,000		900,000
Unpaid Principal Balance	971,000		920,000
Related Allowance	71,000		60,000
Average Recorded Investment	926,000		1,264,000
Interest Income Recognized	2,000		18,000
Construction Total [Member]
With an allowance recorded [Abstract]
Related Allowance	3,000		3,000
Totals [Abstract]
Recorded Investment	154,000		100,000
Unpaid Principal Balance	154,000		100,000
Related Allowance	3,000		3,000
Average Recorded Investment	127,000		518,000
Interest Income Recognized	2,000		1,000
Consumer - Credit Card [Member]
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0
Residential Construction [Member]
With no related allowance recorded [Abstract]
Recorded Investment	44,000
Unpaid Principal Balance	44,000
Related Allowance	0
Average Recorded Investment	22,000
Interest Income Recognized	0
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	$ 0		$ 0

Amount of allowance for credit losses related to recorded investment with no related allowance recorded.

No definition available.

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This line item represents the interest received on nonaccrual loans.

+ References

No definition available.

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (d)

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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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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-Paragraph 15

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Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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

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

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

-Paragraph 14A

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Amount of allowance for credit losses related to recorded investment.

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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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 cash basis, on financing receivables, for which there is no related allowance for credit losses and are recognized as impaired.

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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 on financing receivables, for which there is a related allowance for credit losses, recognized on a cash-basis method of accounting that the financing receivables were impaired.

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Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.

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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 Statement of Financial Accounting Standard (FAS)

-Number 114

-Paragraph 20

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

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-Name Federal Regulation (FR)

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-LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 15

-Paragraph 40

-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.

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