Credit Quality of Loans and Allowance for Loan Losses, Part IV (Details) (USD $)	9 Months Ended	12 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
With No Related Allowance Recorded [Abstract]
Recorded Investment	$ 6,390,000		$ 3,982,000
Unpaid Principal Balance	7,002,000		4,150,000
Related Allowance	0		0
Average Recorded Investment	6,221,000		11,186,000
Interest Income Recognized	70,000		73,000
With an Allowance Recorded [Abstract]
Recorded Investment	2,052,000		2,960,000
Unpaid Principal Balance	2,052,000		2,963,000
Related Allowance	660,000		682,000
Average Recorded Investment	1,830,000		4,816,000
Interest income recognized	19,000		167,000
Totals [Abstract]
Recorded investment	8,442,000		6,942,000
Unpaid principal balance	9,054,000		7,113,000
Average recorded investment	8,051,000		16,002,000
Interest income recognized	89,000		240,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	8,307,000		6,229,000
Interest lost on nonaccrual loans	502,000	684,000
Interest received on nonaccrual loans	25,000	129,000
Commercial, Financial and Agricultural [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	896,000		1,157,000
Unpaid Principal Balance	1,024,000		1,248,000
Related Allowance	0		0
Average Recorded Investment	1,039,000		2,311,000
Interest Income Recognized	6,000		2,000
With an Allowance Recorded [Abstract]
Recorded Investment	1,406,000		1,184,000
Unpaid Principal Balance	1,406,000		1,184,000
Related Allowance	461,000		240,000
Average Recorded Investment	1,157,000		1,140,000
Interest income recognized	16,000		58,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	2,302,000		1,897,000
Commercial Real Estate Construction [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	856,000		897,000
Unpaid Principal Balance	856,000		963,000
Related Allowance	0		0
Average Recorded Investment	685,000		4,511,000
Interest Income Recognized	1,000		9,000
With an Allowance Recorded [Abstract]
Recorded Investment	70,000		4,000
Unpaid Principal Balance	70,000		4,000
Related Allowance	40,000		2,000
Average Recorded Investment	66,000		1,580,000
Interest income recognized	0		0
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	926,000		902,000
Commercial Real Estate Other [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	2,752,000		1,029,000
Unpaid Principal Balance	3,226,000		1,029,000
Related Allowance	0		0
Average Recorded Investment	2,670,000		2,958,000
Interest Income Recognized	37,000		31,000
With an Allowance Recorded [Abstract]
Recorded Investment	392,000		1,242,000
Unpaid Principal Balance	392,000		1,242,000
Related Allowance	64,000		321,000
Average Recorded Investment	388,000		1,639,000
Interest income recognized	0		98,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	3,144,000		2,271,000
Consumer - Other [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	115,000		48,000
Unpaid Principal Balance	125,000		59,000
Related Allowance	0		0
Average Recorded Investment	117,000		65,000
Interest Income Recognized	1,000		3,000
With an Allowance Recorded [Abstract]
Recorded Investment	184,000		239,000
Unpaid Principal Balance	184,000		242,000
Related Allowance	95,000		98,000
Average Recorded Investment	185,000		202,000
Interest income recognized	3,000		10,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	289,000		275,000
Residential - Prime [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	1,771,000		851,000
Unpaid Principal Balance	1,771,000		851,000
Related Allowance	0		0
Average Recorded Investment	1,710,000		1,334,000
Interest Income Recognized	25,000		28,000
With an Allowance Recorded [Abstract]
Recorded Investment	0		291,000
Unpaid Principal Balance	0		291,000
Related Allowance	0		21,000
Average Recorded Investment	34,000		255,000
Interest income recognized	0		1,000
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	1,646,000		884,000
Finance Leases Commercial [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment			0
Unpaid Principal Balance			0
Related Allowance			0
Average Recorded Investment			4,000
Interest Income Recognized			0
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0
Other [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment			0
Unpaid Principal Balance			0
Related Allowance			0
Average Recorded Investment			3,000
Interest Income Recognized			0
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0
Other Total [Member]
With an Allowance Recorded [Abstract]
Related Allowance			0
Totals [Abstract]
Recorded investment			0
Unpaid principal balance			0
Average recorded investment			3,000
Interest income recognized			0
Commercial Total [Member]
With an Allowance Recorded [Abstract]
Related Allowance	565,000		563,000
Totals [Abstract]
Recorded investment	6,372,000		5,513,000
Unpaid principal balance	6,974,000		5,670,000
Average recorded investment	6,005,000		14,143,000
Interest income recognized	60,000		198,000
Consumer Total [Member]
With an Allowance Recorded [Abstract]
Related Allowance	95,000		98,000
Totals [Abstract]
Recorded investment	299,000		287,000
Unpaid principal balance	309,000		301,000
Average recorded investment	302,000		267,000
Interest income recognized	4,000		13,000
Residential Total [Member]
With an Allowance Recorded [Abstract]
Related Allowance	0		21,000
Totals [Abstract]
Recorded investment	1,771,000		1,142,000
Unpaid principal balance	1,771,000		1,142,000
Average recorded investment	1,744,000		1,589,000
Interest income recognized	25,000		29,000
Consumer - Credit Card [Member]
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0
Residential Construction [Member]
Loans on Nonaccrual Status [Abstract]
Loans on Nonaccrual Status	0		0
Residential - Subprime [Member]
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.

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

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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).

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

-Publisher FASB

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-Paragraph 20

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