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Commitments - Narrative (Details) - USD ($) $ in Millions						12 Months Ended
	Apr. 12, 2013	Apr. 12, 2013	Mar. 29, 2013	Mar. 29, 2013	Dec. 21, 2012	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Commitments [Line Items]
Operating leases, rent expense						$ 23.7	$ 19.0	$ 27.4
Floating Rate Reverse Mortgage Loans [Member]
Other Commitments [Line Items]
Additional borrowing capacity to borrowers						922.8
Forward Mortgage Loan Interest Rate Lock Commitments [Member]
Other Commitments [Line Items]
Short-term commitments to lend						266.5
Reverse Mortgage Loan Interest Rate Lock Commitments [Member]
Other Commitments [Line Items]
Short-term commitments to lend						$ 11.8
Altisource [Member]
Other Commitments [Line Items]
Proceeds from sale of businesses		$ 128.8
Automatic renewal term of support services agreement			1 year
Residential [Member]
Other Commitments [Line Items]
Term of servicing agreement					15 years
Homeward Residential Holdings, Inc. [Member] | Altisource [Member]
Other Commitments [Line Items]
Proceeds from sale of businesses				$ 87.0
Proceeds from sale of businesses, cash				$ 82.0
ResCap [Member] | Altisource [Member]
Other Commitments [Line Items]
Proceeds from sale of businesses	$ 128.8

X

- Definition

Additional borrowing capacity to borrowers.

+ References

No definition available.

+ Details

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X

- Definition

Automatic renewal term of support services agreement.

+ References

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- Definition

Short-term commitments to lend.

+ References

No definition available.

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X

- Definition

Represents the term of servicing agreement.

+ References

No definition available.

+ Details

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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- Definition

This element represents the cash inflow during the period from the sale of a component of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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