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Segment Information - Supplemental Information by Segment (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Segment Reporting Information [Line Items] |  |  |
Loan market valuation adjustment |  | $ 3,472,241 | $ 3,888,051
Real estate securities | [1] | 1,165,940 | 1,018,439
Mortgage servicing rights, at fair value | [1] | 111,013 | 118,526
Total assets | [1] | 5,214,291 | 5,483,477
Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loan market valuation adjustment |  | 3,472,241 | 3,888,051
Operating Segments | Investment Portfolio |  |  |
Segment Reporting Information [Line Items] |  |  |
Real estate securities |  | 1,165,940 | 1,018,439
Mortgage servicing rights, at fair value |  | 111,013 | 118,526
Total assets |  | 3,771,370 | 3,615,535
Operating Segments | Investment Portfolio | Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loan market valuation adjustment |  | 2,350,013 | 2,261,016
Operating Segments | Residential Mortgage Banking |  |  |
Segment Reporting Information [Line Items] |  |  |
Real estate securities |  | 0 | 0
Mortgage servicing rights, at fair value |  | 0 | 0
Total assets |  | 410,229 | 866,356
Operating Segments | Residential Mortgage Banking | Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loan market valuation adjustment |  | 376,607 | 835,399
Corporate/Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Real estate securities |  | 0 |
Mortgage servicing rights, at fair value |  | 0 | 0
Total assets |  | 1,032,692 | 1,001,586
Corporate/Other | Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loan market valuation adjustment |  | $ 745,621 | $ 791,636
[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 March 31, 2017 and December 31, 2016, assets of consolidated VIEs totaled $750,694 and $798,317, respectively. At March 31, 2017 and December 31, 2016, liabilities of consolidated VIEs totaled $728,923 and $773,980, respectively. See Note 4 for further discussion.

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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