Allowance For Loan Loss Additional Information (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	$ 4,167		$ 4,552
Financing Receivable, Collectively Evaluated for Impairment	418,786		391,716
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	960		202
Financing Receivable, Individually Evaluated for Impairment	4,405		3,508
Allowance for loan losses	5,127	$ 4,836	4,754
Loans and Leases Receivable, Gross, Carrying Amount	423,191	403,609	395,224
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	504		669
Financing Receivable, Collectively Evaluated for Impairment	47,869		52,785
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	56		83
Allowance for loan losses	504		669
Loans and Leases Receivable, Gross, Carrying Amount	47,925	54,329	52,868
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	627		895
Financing Receivable, Collectively Evaluated for Impairment	40,999		33,574
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	593		615
Allowance for loan losses	627		895
Loans and Leases Receivable, Gross, Carrying Amount	41,592	37,298	34,189
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	1,719		1,733
Financing Receivable, Collectively Evaluated for Impairment	197,693		188,150
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	960		202
Financing Receivable, Individually Evaluated for Impairment	3,756		1,927
Allowance for loan losses	2,679		1,935
Loans and Leases Receivable, Gross, Carrying Amount	201,449	192,006	190,077
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	1,103		1,083
Financing Receivable, Collectively Evaluated for Impairment	117,863		105,672
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	0		883
Allowance for loan losses	1,103		1,083
Loans and Leases Receivable, Gross, Carrying Amount	117,863	107,641	106,555
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	214		172
Financing Receivable, Collectively Evaluated for Impairment	14,362		11,535
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	0		0
Allowance for loan losses	214		172
Loans and Leases Receivable, Gross, Carrying Amount	$ 14,362	$ 12,335	$ 11,535

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- Definition

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

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- Definition

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

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- Definition

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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- Definition

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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (g)

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-Publisher FASB

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

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-Publisher FASB

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-Paragraph 2

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

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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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-Publisher FASB

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-Section 45

-Paragraph 2

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