Loans Loans Modified in Trouble Debt Restructurings (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Number of Loans	5	10	19
Pre-Modification Outstanding Recorded Investment	$ 610	$ 257	$ 207
Post-Modification Outstanding Recorded Investment	610	288	207
Subsequent Default, Number of Contracts	0	0	0
Subsequent Default, Recorded Investment	0	0	0
Commitments to lend additional funds to modified loans	0	0	0
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	1	0
Pre-Modification Outstanding Recorded Investment	0	169	0
Post-Modification Outstanding Recorded Investment	0	200	0
Subsequent Default, Number of Contracts	0	0	0
Subsequent Default, Recorded Investment	0	0	0
Commitments to lend additional funds to modified loans	0	0	0
Commercial Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	0	0
Pre-Modification Outstanding Recorded Investment	0	0	0
Post-Modification Outstanding Recorded Investment	0	0	0
Subsequent Default, Number of Contracts	0	0	0
Subsequent Default, Recorded Investment	0	0	0
Commitments to lend additional funds to modified loans	0	0	0
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	0	2
Pre-Modification Outstanding Recorded Investment	0	0	47
Post-Modification Outstanding Recorded Investment	0	0	47
Subsequent Default, Number of Contracts	0	0	0
Subsequent Default, Recorded Investment	0	0	0
Commitments to lend additional funds to modified loans	0	0	0
Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	0	0
Pre-Modification Outstanding Recorded Investment	0	0	0
Post-Modification Outstanding Recorded Investment	0	0	0
Subsequent Default, Number of Contracts	0	0	0
Subsequent Default, Recorded Investment	0	0	0
Commitments to lend additional funds to modified loans	0	0	0
Automobile [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	4	9	17
Pre-Modification Outstanding Recorded Investment	36	88	160
Post-Modification Outstanding Recorded Investment	36	88	160
Subsequent Default, Number of Contracts	0	0	0
Subsequent Default, Recorded Investment	0	0	0
Commitments to lend additional funds to modified loans	0	0	0
Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	0	0
Pre-Modification Outstanding Recorded Investment	574	0	0
Post-Modification Outstanding Recorded Investment	574	0	0
Subsequent Default, Number of Contracts	0	0	0
Subsequent Default, Recorded Investment	0	0	0
Commitments to lend additional funds to modified loans	$ 0	$ 0	$ 0

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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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- Definition

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

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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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- Definition

Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18794-111554

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