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Segment Information - Supplemental Information by Segment (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Segment Reporting Information [Line Items] |  |  |
Real estate securities | [1] | $ 364,320 | $ 344,125
Other investments | [1] | 322,579 | 348,175
Intangible assets | [1] | 52,992 | 56,865
Total Assets | [1] | 10,896,848 | 10,355,066
Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 4,701,836 | 4,249,051
Business purpose loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 4,172,120 | 4,136,353
Multifamily loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 489,545 | 492,221
Operating Segments | Residential Lending |  |  |
Segment Reporting Information [Line Items] |  |  |
Real estate securities |  | 167,040 | 160,780
Other investments |  | 7,945 | 8,815
Intangible assets |  | 0 | 0
Total Assets |  | 2,601,672 | 1,989,802
Operating Segments | Residential Lending | Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 2,272,624 | 1,741,963
Operating Segments | Residential Lending | Business purpose loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 0 | 0
Operating Segments | Residential Lending | Multifamily loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 0 | 0
Operating Segments | Business Purpose Lending |  |  |
Segment Reporting Information [Line Items] |  |  |
Real estate securities |  | 0 | 0
Other investments |  | 19,405 | 21,627
Intangible assets |  | 52,992 | 56,865
Total Assets |  | 4,359,491 | 4,323,040
Operating Segments | Business Purpose Lending | Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 0 | 0
Operating Segments | Business Purpose Lending | Business purpose loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 4,172,120 | 4,136,353
Operating Segments | Business Purpose Lending | Multifamily loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 0 | 0
Operating Segments | Third-Party Investments |  |  |
Segment Reporting Information [Line Items] |  |  |
Real estate securities |  | 197,280 | 183,345
Other investments |  | 293,776 | 317,282
Intangible assets |  | 0 | 0
Total Assets |  | 3,155,645 | 3,232,415
Operating Segments | Third-Party Investments | Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 2,154,351 | 2,221,153
Operating Segments | Third-Party Investments | Business purpose loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 0 | 0
Operating Segments | Third-Party Investments | Multifamily loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 489,545 | 492,221
Corporate/ Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Real estate securities |  | 0 | 0
Other investments |  | 1,453 | 451
Intangible assets |  | 0 | 0
Total Assets |  | 780,040 | 809,809
Corporate/ Other | Residential loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 274,861 | 285,935
Corporate/ Other | Business purpose loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | 0 | 0
Corporate/ Other | Multifamily loans |  |  |
Segment Reporting Information [Line Items] |  |  |
Fair value of loans |  | $ 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 March 31, 2021 and December 31, 2020, assets of consolidated VIEs totaled $7,724,203 and $8,141,069, respectively. At March 31, 2021 and December 31, 2020, liabilities of consolidated VIEs totaled $6,704,943 and $7,148,414, respectively. See Note 4 for further discussion.

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