Loans (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Allowance for loan losses
Beginning balance	$ 7,632	$ 7,568
Provision for loan losses	450	330
Loans charged off	(618)	(836)
Recoveries	259	325
Ending balance	7,723	7,387
Commercial Real Estate
Allowance for loan losses
Beginning balance	2,676	2,752
Provision for loan losses	232	22
Loans charged off	(4)	(57)
Recoveries	13	34
Ending balance	2,917	2,751
Commercial
Allowance for loan losses
Beginning balance	1,420	1,219
Provision for loan losses	(70)	(162)
Loans charged off	0	0
Recoveries	1	8
Ending balance	1,351	1,065
Residential Real Estate
Allowance for loan losses
Beginning balance	1,689	1,964
Provision for loan losses	10	(228)
Loans charged off	(81)	(70)
Recoveries	22	15
Ending balance	1,640	1,681
Consumer
Allowance for loan losses
Beginning balance	1,663	1,419
Provision for loan losses	352	518
Loans charged off	(533)	(709)
Recoveries	223	268
Ending balance	1,705	1,496
Unallocated
Allowance for loan losses
Beginning balance	184	214
Provision for loan losses	(74)	180
Loans charged off	0	0
Recoveries	0	0
Ending balance	$ 110	$ 394

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Provision (reversal) for loan losses expensed.

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- Definition

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

+ 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)(4)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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- Definition

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

+ 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)(3)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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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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-Name Regulation S-X (SX)

-Number 210

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-Paragraph 7

-Subparagraph d

-Article 9

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

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