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Intangible Assets (Details 4) (Mortgage Service Rights)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Mortgage Service Rights
Assumptions used in estimating the fair value of mortgage service rights
Weighted - Average Constant Prepayment Rate (as a percent)	16.02%	18.13%
Weighted - Average Note Rate (as a percent)	4.04%	4.49%
Weighted - Average Discount Rate (as a percent)	8.05%	8.04%
Weighted - Average Expected Life (in years)	20 years	20 years

X

- Definition

The weighted average note rate used to estimate the fair value of servicing assets and servicing liabilities.

+ References

No definition available.

+ Details

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X

- Definition

Discount rate used to estimate the fair value of servicing assets and servicing liabilities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 50

-Section 50

-Paragraph 2

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122596-111746

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X

- Definition

Estimated rate of prepayments of principal on servicing assets and servicing liabilities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 50

-Section 50

-Paragraph 2

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122596-111746

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- Definition

Weighted average life of financial assets and financial liabilities, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 50

-Section 50

-Paragraph 2

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122596-111746

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