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Allowance For Loan Loss Additional Information (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	$ 5,733		$ 5,468
Financing Receivable, Collectively Evaluated for Impairment	383,989		364,478
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	312		872
Financing Receivable, Individually Evaluated for Impairment	13,986		10,385
Allowance for loan losses	6,045	6,919	6,340
Loans and Leases Receivable, Gross, Carrying Amount	397,975	370,416	374,863
Commercial and Industrial Loans [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	754		762
Financing Receivable, Collectively Evaluated for Impairment	58,395		53,661
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	184		227
Allowance for loan losses	754		762
Loans and Leases Receivable, Gross, Carrying Amount	58,579	54,988	53,888
Construction And Land Development Loans [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,468		929
Financing Receivable, Collectively Evaluated for Impairment	36,817		35,625
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	141		209
Financing Receivable, Individually Evaluated for Impairment	3,756		5,156
Allowance for loan losses	1,609		1,138
Loans and Leases Receivable, Gross, Carrying Amount	40,573	39,814	40,781
Commercial Real Estate Loans, Total [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,519		2,221
Financing Receivable, Collectively Evaluated for Impairment	175,733		162,374
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	139		422
Financing Receivable, Individually Evaluated for Impairment	8,024		3,685
Allowance for loan losses	2,658		2,643
Loans and Leases Receivable, Gross, Carrying Amount	183,757	162,435	166,059
Residential Real Estate Loans, Total [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	915		1,163
Financing Receivable, Collectively Evaluated for Impairment	101,297		100,713
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	32		241
Financing Receivable, Individually Evaluated for Impairment	2,022		1,317
Allowance for loan losses	947		1,404
Loans and Leases Receivable, Gross, Carrying Amount	103,319	101,725	102,030
Consumer Installment and Revolving Loans [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	77		178
Financing Receivable, Collectively Evaluated for Impairment	11,747		12,105
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	0		0
Allowance for loan losses	77		178
Loans and Leases Receivable, Gross, Carrying Amount	11,747	11,454	12,105
Unallocated To Loan Type [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment			215
Financing Receivable, Collectively Evaluated for Impairment			0
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			0
Financing Receivable, Individually Evaluated for Impairment			0
Allowance for loan losses			215
Loans and Leases Receivable, Gross, Carrying Amount			$ 0

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

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-Name Accounting Standards Codification

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

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

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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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The allowance for loan and lease losses represents the reserve to cover probable credit losses related to specifically identified loans and leases, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for loan losses in connection with business combinations determined to be appropriate.

+ References

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

-Publisher OTS

-Name Federal Regulation (FR)

-Number Title 12

-Chapter V

-Section 563c.102

-Paragraph 8

-Subparagraph a(ii)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1



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-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.



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-Name Accounting Standards Codification

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-Name Regulation S-X (SX)

-Number 210

-Article 9

-Section 03

-Paragraph 7

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 8, 9

-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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-Name Accounting Standards Codification

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-SubTopic 30

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Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on loans and leases.

+ References

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-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.



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-Name Accounting Standards Codification

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