Fair Value Measurements, Quantitative Information (Details)	6 Months Ended
Jun. 30, 2015
Mortgage Servicing Rights [Member] \| Minimum [Member] \| Discounted Cash Flow [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment speed assumption (in hundredths)	105.00%
Discount rate (in hundredths)	8.00%
Mortgage Servicing Rights [Member] \| Maximum [Member] \| Discounted Cash Flow [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment speed assumption (in hundredths)	462.00%
Discount rate (in hundredths)	12.00%
Mortgage Servicing Rights [Member] \| Weighted Average [Member] \| Discounted Cash Flow [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment speed assumption (in hundredths)	177.00%
Discount rate (in hundredths)	10.00%
Non-agency Mortgage-backed Securities [Member] \| Weighted Average [Member] \| Discounted Cash Flow [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate (in hundredths)	8.00%
OREO [Member] \| Minimum [Member] \| Market Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Adjusted for difference between comparable sales (in hundredths)	5.00%
OREO [Member] \| Maximum [Member] \| Market Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Adjusted for difference between comparable sales (in hundredths)	48.00%
OREO [Member] \| Weighted Average [Member] \| Market Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Adjusted for difference between comparable sales (in hundredths)	21.00%
Impaired Loans [Member] \| Minimum [Member] \| Market Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Adjusted for difference between comparable sales (in hundredths)	0.00%
Impaired Loans [Member] \| Maximum [Member] \| Market Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Adjusted for difference between comparable sales (in hundredths)	100.00%
Impaired Loans [Member] \| Weighted Average [Member] \| Market Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Adjusted for difference between comparable sales (in hundredths)	7.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Percentage of adjustment to the observed price for a similar asset or liability when an identical transaction does not exist, used as an input to measure fair value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

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- 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=56950315&loc=d3e122596-111746

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