Time period in which securitization takes place after loan closing or purchase.

No definition available.

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- Definition

Number of days that transferred residential loans serviced were past due.

+ References

No definition available.

+ Details

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- Definition

Percentage of loan transferred through securitization 60 days or more past due.

+ References

No definition available.

+ Details

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- Definition

Amount of secured borrowings recognized in the transferor's statement of financial position at the end of the period presented that are associated with the transfers of reverse mortgages where the transfers are accounted for as a financing.

+ References

No definition available.

+ Details

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- Definition

The amount of mortgage servicing rights (MSRs) retained in connection with transfer of securitized loans accounted for as sales.

+ References

No definition available.

+ Details

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- Definition

Amount, after recoveries, of loans and leases that have been written-off.

+ References

No definition available.

+ Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611

+ Details

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- Definition

Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5086-111524

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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.

+ Details

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- Definition

Carrying amount of liabilities associated with financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 50

-Paragraph 1A

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=34720971&loc=SL6224234-111729

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Securitizations and Variable Interests Entities - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Servicing Assets at Fair Value [Line Items]
Average period to securitization			30 days		30 days
Percentage of loan transferred through securitization 60 days or more past due			8.10%		5.10%	2.60%
Charge-offs, net of recovers, associated with transferred residential loans serviced 30 days or more past due	$ 0		$ 0		$ 0	$ 0
Notes outstanding	1,589,846,000		1,589,846,000		2,090,247,000	2,364,814,000
Mortgage Servicing Rights - Amortized Costs [Member]
Servicing Assets at Fair Value [Line Items]
MSRs retained	9,500,000	$ 10,700,000	27,800,000	$ 32,100,000	$ 39,831,000	74,784,000
Minimum [Member]
Servicing Assets at Fair Value [Line Items]
Number of days that transferred residential loans serviced were past due					60 days
HMBS - Related Borrowings [Member]
Servicing Assets at Fair Value [Line Items]
HMBS-related borrowings					$ 1,400,000,000	615,600,000
HECM [Member]
Servicing Assets at Fair Value [Line Items]
HECMs pledged as collateral	$ 2,300,000,000		$ 2,300,000,000		1,600,000,000
HECM [Member] \| Lending [Member]
Servicing Assets at Fair Value [Line Items]
HECMs pledged as collateral					$ 1,500,000,000	$ 618,000,000
Advance Funding Facility [Member] \| Maximum [Member]
Servicing Assets at Fair Value [Line Items]
Percentage of guarantee limit					10.00%