XML 94 R80.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Mortgage Servicing Rights - Schedule of Fair Value of MSRs and Aggregate Principal Amounts of Associated Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Jun. 30, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Dec. 31, 2015
--- | --- | --- | --- | --- | --- | ---
Servicing Assets at Fair Value [Line Items] |  |  |  |  |  |  |
Mortgage servicing rights, at fair value | [1] | $ 62,928 |  | $ 118,526 |  |  |
Associated Principal |  | 5,747,006 |  | 10,456,889 |  |  |
MSRs |  |  |  |  |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |  |  |  |  |
Mortgage servicing rights, at fair value |  | 62,928 | $ 63,770 | 118,526 | $ 106,009 | $ 110,046 | $ 191,976
MSRs | Conforming Loans |  |  |  |  |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |  |  |  |  |
Mortgage servicing rights, at fair value |  | 1,125 |  | 58,523 |  |  |
Associated Principal |  | 107,298 |  | 4,989,720 |  |  |
MSRs | Jumbo Loans |  |  |  |  |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |  |  |  |  |
Mortgage servicing rights, at fair value |  | 61,803 |  | 60,003 |  |  |
Associated Principal |  | $ 5,639,708 |  | $ 5,467,169 |  |  |
[1] | Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At September 30, 2017 and December 31, 2016, assets of consolidated VIEs totaled $995,768 and $798,317, respectively. At September 30, 2017 and December 31, 2016, liabilities of consolidated VIEs totaled $945,873 and $773,980, respectively. See Note 4 for further discussion.

X
- Definition Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
Name: | us-gaap_ServicingAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122625-111746 + Details
Name: | us-gaap_ServicingAssetAtFairValueAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_ServicingAssetsAtFairValueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=rwt_MortgageServicingRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateLoanTypeAxis=rwt_ConformingLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateLoanTypeAxis=rwt_JumboLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |