Credit Quality of Loans and Allowance for Loan Losses, Impaired Loans by Class of Loans (Details) (USD $)	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Dec. 31, 2012
With no related allowance recorded [Abstract]
Recorded Investment	$ 3,763,000		$ 3,763,000	$ 5,554,000
Unpaid Principal Balance	4,410,000		4,410,000	6,201,000
Related Allowance	0		0	0
Average Recorded Investment			4,238,000	4,769,000
Interest Income Recognized			6,000	71,000
With an allowance recorded [Abstract]
Recorded Investment	2,042,000		2,042,000	1,886,000
Unpaid Principal Balance	2,042,000		2,042,000	1,886,000
Related Allowance	599,000		599,000	627,000
Average Recorded Investment			1,981,000	2,424,000
Interest Income Recognized			0	41,000
Totals [Abstract]
Recorded Investment	5,805,000		5,805,000	7,440,000
Unpaid Principal Balance	6,452,000		6,452,000	8,087,000
Related Allowance	599,000		599,000	627,000
Average Recorded Investment			6,219,000	7,193,000
Interest Income Recognized			6,000	112,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	6,772,000		6,772,000	8,887,000
Interest lost on nonaccrual loans	281,000	306,000
Interest received on nonaccrual loans	243,000	23,000
Commercial, Financial and Agricultural [Member]
With no related allowance recorded [Abstract]
Recorded Investment	616,000		616,000	564,000
Unpaid Principal Balance	727,000		727,000	675,000
Related Allowance	0		0	0
Average Recorded Investment			603,000	861,000
Interest Income Recognized			0	5,000
With an allowance recorded [Abstract]
Recorded Investment	1,032,000		1,032,000	1,072,000
Unpaid Principal Balance	1,032,000		1,032,000	1,072,000
Related Allowance	328,000		328,000	391,000
Average Recorded Investment			1,045,000	1,128,000
Interest Income Recognized			0	21,000
Totals [Abstract]
Related Allowance	328,000		328,000	391,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	1,839,000		1,839,000	2,015,000
Commercial Real Estate Construction [Member]
With no related allowance recorded [Abstract]
Recorded Investment	65,000		65,000	771,000
Unpaid Principal Balance	65,000		65,000	770,000
Related Allowance	0		0	0
Average Recorded Investment			371,000	834,000
Interest Income Recognized			0	1,000
With an allowance recorded [Abstract]
Recorded Investment	197,000		197,000	165,000
Unpaid Principal Balance	197,000		197,000	165,000
Related Allowance	54,000		54,000	57,000
Average Recorded Investment			178,000	85,000
Interest Income Recognized			0	7,000
Totals [Abstract]
Related Allowance	54,000		54,000	57,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	264,000		264,000	941,000
Commercial Real Estate - Other [Member]
With no related allowance recorded [Abstract]
Recorded Investment	2,353,000		2,353,000	2,530,000
Unpaid Principal Balance	2,882,000		2,882,000	3,059,000
Related Allowance	0		0	0
Average Recorded Investment			2,419,000	1,780,000
Interest Income Recognized			6,000	38,000
With an allowance recorded [Abstract]
Recorded Investment	203,000		203,000	381,000
Unpaid Principal Balance	203,000		203,000	381,000
Related Allowance	21,000		21,000	35,000
Average Recorded Investment			203,000	811,000
Interest Income Recognized			0	3,000
Totals [Abstract]
Related Allowance	21,000		21,000	35,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	2,641,000		2,641,000	3,017,000
Consumer - Other [Member]
With no related allowance recorded [Abstract]
Recorded Investment	61,000		61,000	114,000
Unpaid Principal Balance	68,000		68,000	122,000
Related Allowance	0		0	0
Average Recorded Investment			56,000	81,000
Interest Income Recognized			0	1,000
With an allowance recorded [Abstract]
Recorded Investment	254,000		254,000	216,000
Unpaid Principal Balance	254,000		254,000	216,000
Related Allowance	128,000		128,000	114,000
Average Recorded Investment			229,000	228,000
Interest Income Recognized			0	6,000
Totals [Abstract]
Related Allowance	128,000		128,000	114,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	349,000		349,000	409,000
Residential - Prime [Member]
With no related allowance recorded [Abstract]
Recorded Investment	668,000		668,000	1,575,000
Unpaid Principal Balance	668,000		668,000	1,575,000
Related Allowance	0		0	0
Average Recorded Investment			789,000	1,213,000
Interest Income Recognized			0	26,000
With an allowance recorded [Abstract]
Recorded Investment	356,000		356,000	52,000
Unpaid Principal Balance	356,000		356,000	52,000
Related Allowance	68,000		68,000	30,000
Average Recorded Investment			326,000	172,000
Interest Income Recognized			0	4,000
Totals [Abstract]
Related Allowance	68,000		68,000	30,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	1,679,000		1,679,000	2,505,000
Finance Leases Commercial [Member]
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0	0
Other Loans [Member]
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0	0
Commercial Total [Member]
With an allowance recorded [Abstract]
Related Allowance	403,000		403,000	483,000
Totals [Abstract]
Recorded Investment	4,466,000		4,466,000	5,483,000
Unpaid Principal Balance	5,106,000		5,106,000	6,122,000
Related Allowance	403,000		403,000	483,000
Average Recorded Investment			4,819,000	5,499,000
Interest Income Recognized			6,000	75,000
Consumer Total [Member]
With an allowance recorded [Abstract]
Related Allowance	128,000		128,000	114,000
Totals [Abstract]
Recorded Investment	315,000		315,000	330,000
Unpaid Principal Balance	322,000		322,000	338,000
Related Allowance	128,000		128,000	114,000
Average Recorded Investment			285,000	309,000
Interest Income Recognized			0	7,000
Residential Total [Member]
With an allowance recorded [Abstract]
Related Allowance	68,000		68,000	30,000
Totals [Abstract]
Recorded Investment	1,024,000		1,024,000	1,627,000
Unpaid Principal Balance	1,024,000		1,024,000	1,627,000
Related Allowance	68,000		68,000	30,000
Average Recorded Investment			1,115,000	1,385,000
Interest Income Recognized			0	30,000
Consumer - Credit Card [Member]
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0	0
Residential Construction [Member]
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0	0
Residential - Subprime [Member]
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	$ 0		$ 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

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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 investment in impaired financing receivables for which there is no related allowance for credit losses.

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Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses.

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

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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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-Publisher FASB

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-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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