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Allowance For Loan Loss Additional Information (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	$ 6,460	$ 5,698
Financing Receivable, Collectively Evaluated for Impairment	387,891	359,430
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	263	1,221
Financing Receivable, Individually Evaluated for Impairment	10,535	10,986
Allowance for loan losses	6,723	6,919
Loans and Leases Receivable, Gross, Carrying Amount	398,426	370,416
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	812	948
Financing Receivable, Collectively Evaluated for Impairment	59,165	54,772
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Individually Evaluated for Impairment	169	216
Allowance for loan losses	812	948
Loans and Leases Receivable, Gross, Carrying Amount	59,334	54,988
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	1,417	1,323
Financing Receivable, Collectively Evaluated for Impairment	36,008	34,719
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	129	147
Financing Receivable, Individually Evaluated for Impairment	1,623	5,095
Allowance for loan losses	1,545	1,470
Loans and Leases Receivable, Gross, Carrying Amount	37,631	39,814
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	3,002	2,201
Financing Receivable, Collectively Evaluated for Impairment	176,085	158,053
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	134	808
Financing Receivable, Individually Evaluated for Impairment	7,526	4,382
Allowance for loan losses	3,137	3,009
Loans and Leases Receivable, Gross, Carrying Amount	183,611	162,435
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	1,126	1,097
Financing Receivable, Collectively Evaluated for Impairment	104,414	100,432
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	266
Financing Receivable, Individually Evaluated for Impairment	1,217	1,293
Allowance for loan losses	1,126	1,363
Loans and Leases Receivable, Gross, Carrying Amount	105,631	101,725
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	103	129
Financing Receivable, Collectively Evaluated for Impairment	12,219	11,454
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Allowance for loan losses	103	129
Loans and Leases Receivable, Gross, Carrying Amount	$ 12,219	$ 11,454

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

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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

-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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-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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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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-Name Statement of Position (SOP)

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-Paragraph 13

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