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Principles of Consolidation - Summary of Redwood's Interest in Third-Party Variable Interest Entity's (Details) - REO - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Variable Interest Entity [Line Items]
Assets	$ 1,237,576	$ 1,176,161
Senior
Variable Interest Entity [Line Items]
Assets	166,184	185,107
Mezzanine
Variable Interest Entity [Line Items]
Assets	679,908	547,249
Subordinate
Variable Interest Entity [Line Items]
Assets	373,260	428,713
Total Mortgage-Backed Securities
Variable Interest Entity [Line Items]
Assets	1,219,352	1,161,069
Excess MSR
Variable Interest Entity [Line Items]
Assets	$ 18,224	$ 15,092

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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

Carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph a
-URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685

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