Loans (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	$ 5,628	$ 5,583
Average Recorded Investment, With an allowance recorded	6,597	6,167
Average Recorded Investment	12,225	11,750
Interest Income Recognized, With no related allowance recorded	66	26
Interest Income Recognized, With related allowance recorded	55	58
Interest Income Recognized	121	84
Commercial real estate, Owner occupied
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	2,311	2,575
Average Recorded Investment, With an allowance recorded	2,870	1,654
Interest Income Recognized, With no related allowance recorded	16	5
Interest Income Recognized, With related allowance recorded	24	25
Commercial real estate, Non-owner occupied
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	387	391
Average Recorded Investment, With an allowance recorded	1,537	1,586
Interest Income Recognized, With no related allowance recorded	6	0
Interest Income Recognized, With related allowance recorded	20	20
Commercial real estate, Other
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	0	0
Interest Income Recognized, With no related allowance recorded	0	0
Commercial
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	463	931
Average Recorded Investment, With an allowance recorded	1,117	1,391
Interest Income Recognized, With no related allowance recorded	6	5
Interest Income Recognized, With related allowance recorded	1	1
Residential real estate, 1-4 family residential
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	2,125	1,332
Average Recorded Investment, With an allowance recorded	983	1,390
Interest Income Recognized, With no related allowance recorded	31	14
Interest Income Recognized, With related allowance recorded	9	11
Residential real estate, Home equity lines of credit
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	251	115
Average Recorded Investment, With an allowance recorded	90	146
Interest Income Recognized, With no related allowance recorded	3	2
Interest Income Recognized, With related allowance recorded	1	1
Consumer
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	91	239
Average Recorded Investment, With an allowance recorded		0
Interest Income Recognized, With no related allowance recorded	4	0
Interest Income Recognized, With related allowance recorded	$ 0	$ 0

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5258-111524

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