Borrowings - Narrative (Details) $ in Billions	3 Months Ended
Mar. 31, 2018 USD ($)
Debt Instrument [Line Items]
Covenant compliance, consolidated tangible net worth at period end	$ 1.1
Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Percentage of loan to value	40.00%
NRZ [Member]
Debt Instrument [Line Items]
UPB of rights to MSRs sold	$ 98.3
Outstanding servicing advances	$ 2.5
Senior Notes [Member] \| 8.375% Senior Secured Notes Due In 2022 [Member]
Debt Instrument [Line Items]
Maximum percentage available for redemption using net cash proceeds of one or more Equity Offerings as defined in Indenture	35.00%
Percentage of principal amount, redemption price	108.375%
Percentage of principal amount to remain outstanding after redemption requirement	65.00%
Maximum period for redemption after consummation of equity offering	120 days
Percentage of principal amount, repurchase price	101.00%
Minimum [Member] \| Senior Notes [Member] \| 8.375% Senior Secured Notes Due In 2022 [Member]
Debt Instrument [Line Items]
Redemption period, notice	30 days
Maximum [Member] \| Senior Notes [Member] \| 8.375% Senior Secured Notes Due In 2022 [Member]
Debt Instrument [Line Items]
Redemption period, notice	60 days
Redemption price	100.00%

Debt Instrument, Change Of Control, Purchase Price, Percentage

No definition available.

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- Definition

Represents the amount of consolidated tangible net worth requirement as part of the most restrictive covenant requirement.

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Redemption Period Notice

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Use Of Cash Proceeds From Equity Offerings For Redemption, Maximum Days After Consummation Of Offering

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Use of Cash Proceeds From Equity Offerings, Percentage of Principal Amount Redeemable

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Use Of Cash Proceeds From Equity Offerings, Redemption Price, Percentage

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Use of Cash Proceeds From Equity Offerings, Minimum Percentage of Principal Amount Outstanding

+ References

No definition available.

+ Details

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- Definition

Outstanding servicing advances in connection with rights to MSRs sold.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Percentage of loan to collateral value.

+ References

No definition available.

+ Details

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Period Type:	duration

- 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

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

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- Definition

Amount of the contractual principal due at the origination of the mortgage loan (face amount).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

+ Details

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Balance Type:	debit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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