Residential Mortgage Servicing Rights (Sensitivity Analysis of Current Fair Value to Changes in Discount and Prepayment Speed Assumptions) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Transfers and Servicing [Abstract]
Effect on fair value of a 10% adverse change	$ (4,965)	$ (2,255)
Effect on fair value of a 20% adverse change	(9,547)	(4,323)
Effect on fair value of a 100 basis point adverse change	(4,539)	(1,832)
Effect on fair value of a 200 basis point adverse change	$ (8,771)	$ (3,534)

Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of One Percent Adverse Change in Discount Rate

No definition available.

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- Definition

Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Two Percent Adverse Change in Discount Rate

+ References

No definition available.

+ Details

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- Definition

The hypothetical financial impact of a 10 percent adverse change of prepayment speed on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719

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- Definition

The hypothetical financial impact of a 20 percent adverse change of prepayment speed on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.

+ References

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