Loans, Troubled Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014 Contract	Dec. 31, 2013 Contract	Dec. 31, 2012 Contract
Financing Receivable, Modifications [Line Items]
Number of months continuous payment for reclassification of nonaccrual loans to accruing status	6 months
TDR loans	$ 6,712	$ 9,929
Specific reserves for TDR loans	860	1,096
TDR loans performing in compliance with modified terms	5,467	6,750
Troubled Debt Restructurings [Abstract]
Number of Contracts	5	8	12
Pre-modification outstanding recorded investment	751	1,349	1,103
Post-modification outstanding recorded investment	751	1,158	1,103
Loan restructured and subsequent default		0
Commercial [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	2	2	5
Pre-modification outstanding recorded investment	151	393	470
Post-modification outstanding recorded investment	151	393	470
Loan restructured and subsequent default, number of contracts			1
Loan restructured and subsequent default			136
Residential Mortgage [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	1	1
Pre-modification outstanding recorded investment	102	568
Post-modification outstanding recorded investment	102	377
Consumer [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	2	5	7
Pre-modification outstanding recorded investment	498	388	633
Post-modification outstanding recorded investment	498	388	633
Loan restructured and subsequent default, number of contracts	1
Loan restructured and subsequent default	$ 49

Troubled debt restructurings that are performing in compliance with modified terms.

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- Definition

The amount of specific reserves on financing receivables that have been modified by troubled debt restructurings.

+ References

No definition available.

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- Definition

Number of months continuous payment for reclassification of nonaccrual loans to accruing status.

+ References

No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524

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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 34

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953682-111524

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Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

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