The cash outflow from the payment of debt issued by consolidated variable interest entities.

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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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

Gross amount of debt extinguished.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

No definition available.

+ Details

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Securitized Debt - Narrative (Detail) - USD ($)	3 Months Ended		6 Months Ended
Securitized Debt - Narrative (Detail) - USD ($)	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	$ 387,000	$ (48,014,000)	$ 10,057,000	$ (48,014,000)
Variable Interest Entities, Primary Beneficiary, Aggregated Disclosure \| Securitized debt
Debt Instrument [Line Items]
Principal balance of debt	$ 9,400,000,000		$ 9,400,000,000		$ 9,400,000,000
Weighted average cost of financing	4.40%		4.40%		4.20%
Variable Interest Entities, Primary Beneficiary \| Securitized debt
Debt Instrument [Line Items]
Acquired securitized debt collateral outstanding principal balance	$ 155,000,000	197,000,000	$ 304,000,000
Repurchase of securitized debt borrowings, collateralized by Non-Agency RMBS	154,000,000	245,000,000	294,000,000
Gains (losses) on extinguishment of debt	387,000	48,000,000	10,000,000
Securitized Loans \| Non-agency MBS
Debt Instrument [Line Items]
Acquired securitized debt collateral outstanding principal balance	0	$ 0
Securitized Loans \| Variable Interest Entities, Primary Beneficiary, Aggregated Disclosure \| Non-agency MBS
Debt Instrument [Line Items]
Principal balance of debt	$ 194,000,000		$ 194,000,000		$ 219,000,000
Weighted average cost of financing	6.30%		6.30%		6.20%