Loans and Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Composition of loan portfolio
Total commercial loans	$ 481,754	$ 458,469
Total consumer loans	205,728	187,480
Total gross loans, net of deferred fees	687,482	645,949
Total gross loans, net of deferred fees, (Percentage)	100.00%	100.00%
Less allowance for loan losses	(9,561)	(9,091)
Total loans, net	677,921	636,858
Commercial [Member]
Composition of loan portfolio
Total commercial loans	481,754	458,469
Total commercial loans, (Percentage)	70.10%	71.00%
Total gross loans, net of deferred fees	481,754	458,469
Commercial [Member] \| Owner occupied RE [Member]
Composition of loan portfolio
Total commercial loans	181,257	158,790
Total commercial loans, (Percentage)	26.40%	24.60%
Commercial [Member] \| Non-owner occupied RE [Member]
Composition of loan portfolio
Total commercial loans	161,086	165,163
Total commercial loans, (Percentage)	23.40%	25.60%
Commercial [Member] \| Construction [Member]
Composition of loan portfolio
Total commercial loans	22,898	20,347
Total commercial loans, (Percentage)	3.30%	3.10%
Commercial [Member] \| Business [Member]
Composition of loan portfolio
Total commercial loans	116,513	114,169
Total commercial loans, (Percentage)	17.00%	17.70%
Consumer [Member]
Composition of loan portfolio
Total consumer loans	205,728	187,480
Total consumer loans, (Percentage)	29.90%	29.00%
Total gross loans, net of deferred fees	205,728	187,480
Consumer [Member] \| Real estate [Member]
Composition of loan portfolio
Total consumer loans	97,172	86,559
Total consumer loans, (Percentage)	14.10%	13.40%
Consumer [Member] \| Home equity [Member]
Composition of loan portfolio
Total consumer loans	82,863	77,895
Total consumer loans, (Percentage)	12.10%	12.10%
Consumer [Member] \| Construction [Member]
Composition of loan portfolio
Total consumer loans	14,029	13,749
Total consumer loans, (Percentage)	2.00%	2.10%
Consumer [Member] \| Other [Member]
Composition of loan portfolio
Total consumer loans	$ 11,664	$ 9,277
Total consumer loans, (Percentage)	1.70%	1.40%

Loans and leases receivable commercial percentage.

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Loans and leases receivable consumer percentage.

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Loans and leases receivable net of deferred income percentage.

+ References

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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 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

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Amount before allowance of commercial loans and leases receivable includes, but not limited to, commercial and industrial loans, agricultural loans, mortgage loans, promissory notes, interbank and other loans to financial institutions, draws against credit facilities, trade financing, lease financings. 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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph a, b

-Article 9

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(a),(b))

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Amount before allowance of consumer loans, including, but not limited to, mortgage, home equity, vehicles, credit card, installment, and lease financing. 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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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes 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 4

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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-Name Accounting Standards Codification

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7)

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