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Troubled Debt Restructurings (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012 contract	Jun. 30, 2013 contract	Jun. 30, 2012 contract	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	1	2
Number of troubled debt restructured loans		23		23
Total troubled debt restructured loans		$ 8.1		$ 8.2
Loan is considered payment default		30 days
Residential Single Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts			1
Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1		1

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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=7512638&loc=SL6953676-111524

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

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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=6951948&loc=d3e18845-111554

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