Loans Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for Loan Losses, Beginning Balance	$ 15,625	$ 14,636	$ 15,570	$ 14,434
Charge-offs	(165)	(168)	(456)	(504)
Recoveries	44	63	114	143
Provision	(70)	(505)	(346)	(963)
Allowance for Loan Losses, Ending Balance	15,574	15,036	15,574	15,036
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses - Loans Individually Evaluated for Impairment	144	82	144	82	$ 109
Allowance for loan losses - Loans Collectively Evaluated for Impairment	15,430	14,954	15,430	14,954	15,461
Ending Loan Balance - Individually Evaluated for Impairment	4,307	3,521	4,307	3,521	4,341
Ending Loan Balance - Collectively Evaluated for Impairment	1,475,363	1,340,603	1,475,363	1,340,603	1,408,927
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for Loan Losses, Beginning Balance	2,163	1,797	2,100	1,886
Charge-offs	(16)	(43)	(32)	(166)
Recoveries	12	6	19	25
Provision	(344)	(295)	(272)	(310)
Allowance for Loan Losses, Ending Balance	1,815	2,055	1,815	2,055
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses - Loans Individually Evaluated for Impairment	0	0	0	0	0
Allowance for loan losses - Loans Collectively Evaluated for Impairment	1,815	2,055	1,815	2,055	2,100
Ending Loan Balance - Individually Evaluated for Impairment	432	208	432	208	494
Ending Loan Balance - Collectively Evaluated for Impairment	94,901	93,682	94,901	93,682	99,017
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for Loan Losses, Beginning Balance	3,833	4,198	4,128	3,962
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(99)	(17)	(196)	(253)
Allowance for Loan Losses, Ending Balance	3,932	4,215	3,932	4,215
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses - Loans Individually Evaluated for Impairment	0	0	0	0	0
Allowance for loan losses - Loans Collectively Evaluated for Impairment	3,932	4,215	3,932	4,215	4,128
Ending Loan Balance - Individually Evaluated for Impairment	1,491	1,493	1,491	1,493	1,492
Ending Loan Balance - Collectively Evaluated for Impairment	352,304	337,855	352,304	337,855	338,620
Consumer Loans Financing [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for Loan Losses, Beginning Balance	5,267	4,586	5,210	4,478
Charge-offs	(147)	(95)	(332)	(293)
Recoveries	32	57	95	118
Provision	(264)	(132)	(443)	(377)
Allowance for Loan Losses, Ending Balance	5,416	4,680	5,416	4,680
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses - Loans Individually Evaluated for Impairment	0	0	0	0	0
Allowance for loan losses - Loans Collectively Evaluated for Impairment	5,416	4,680	5,416	4,680	5,210
Ending Loan Balance - Individually Evaluated for Impairment	93	125	93	125	118
Ending Loan Balance - Collectively Evaluated for Impairment	454,786	417,039	454,786	417,039	436,923
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for Loan Losses, Beginning Balance	3,629	3,077	3,369	3,026
Charge-offs	(2)	(30)	(92)	(45)
Recoveries	0	0	0	0
Provision	(72)	(86)	(422)	(152)
Allowance for Loan Losses, Ending Balance	3,699	3,133	3,699	3,133
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses - Loans Individually Evaluated for Impairment	144	82	144	82	109
Allowance for loan losses - Loans Collectively Evaluated for Impairment	3,555	3,051	3,555	3,051	3,260
Ending Loan Balance - Individually Evaluated for Impairment	2,291	1,695	2,291	1,695	2,237
Ending Loan Balance - Collectively Evaluated for Impairment	573,372	492,027	573,372	492,027	534,367
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for Loan Losses, Beginning Balance	733	978	763	1,082
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(21)	(25)	(51)	(129)
Allowance for Loan Losses, Ending Balance	712	953	712	953
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses - Loans Individually Evaluated for Impairment	0	0	0	0	0
Allowance for loan losses - Loans Collectively Evaluated for Impairment	712	953	712	953	763
Ending Loan Balance - Individually Evaluated for Impairment	0	0	0	0	0
Ending Loan Balance - Collectively Evaluated for Impairment	$ 0	$ 0	$ 0	$ 0	$ 0

No definition available.

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

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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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- Definition

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 recovery of financing receivables doubtful of collection that were previously charged off.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of direct write-downs of financing receivables charged against the allowance.

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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 expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ 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 (c)(2)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.11)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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