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Segment Information - Supplemental Information by Segment (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Segment Reporting Information [Line Items] |  |  |
Real estate securities | [1] | $ 1,477,486 | $ 1,452,494
Other investments | [1] | 372,130 | 438,518
Goodwill and intangible assets | [1] | 50,999 | 0
Total Assets | [1] | 13,851,586 | 11,937,406
Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 7,283,365 | 7,254,742
Business purpose residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 250,854 | 141,258
Multifamily loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 3,749,657 | 2,144,598
Operating Segments | Investment Portfolio |  |  |
Segment Reporting Information [Line Items] |  |  |
Real estate securities |  | 1,477,486 | 1,452,494
Other investments |  | 369,900 | 427,764
Goodwill and intangible assets |  | 0 |
Total Assets |  | 11,790,419 | 10,093,993
Operating Segments | Investment Portfolio | Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 5,777,759 | 5,685,983
Operating Segments | Investment Portfolio | Business purpose residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 159,353 | 112,798
Operating Segments | Investment Portfolio | Multifamily loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 3,749,657 | 2,144,598
Operating Segments | Mortgage Banking |  |  |
Segment Reporting Information [Line Items] |  |  |
Real estate securities |  | 0 | 0
Other investments |  | 2,230 | 0
Goodwill and intangible assets |  | 50,999 |
Total Assets |  | 1,225,117 | 1,103,090
Operating Segments | Mortgage Banking | Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 1,047,856 | 1,048,801
Operating Segments | Mortgage Banking | Business purpose residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 91,501 | 28,460
Operating Segments | Mortgage Banking | Multifamily loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 0 | 0
Corporate/Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Real estate securities |  | 0 | 0
Other investments |  | 0 | 10,754
Goodwill and intangible assets |  | 0 |
Total Assets |  | 836,050 | 740,323
Corporate/Other | Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 457,750 | 519,958
Corporate/Other | Business purpose residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | 0 | 0
Corporate/Other | Multifamily loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Loans, at fair value |  | $ 0 | $ 0
[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 June 30, 2019 and December 31, 2018, assets of consolidated VIEs totaled $7,937,685 and $6,331,191, respectively. At June 30, 2019 and December 31, 2018, liabilities of consolidated VIEs totaled $7,189,086 and $5,709,807, respectively. See Note 4 for further discussion.

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