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Segment Information - Supplemental Information by Segment (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Real estate securities	[1]	$ 212,307	$ 127,797
Home equity investments	[1]	560,745	550,436
Other investments	[1]	337,345	343,930
Goodwill	[1]	23,373	23,373
Intangible assets		25,657	28,462
Total Assets	[1]	15,057,974	14,504,327
Residential consumer loans
Segment Reporting Information [Line Items]
Fair value of loans		7,616,592	7,050,637
Residential investor loans
Segment Reporting Information [Line Items]
Fair value of loans		5,181,994	5,220,298
Consolidated Agency multifamily loans
Segment Reporting Information [Line Items]
Fair value of loans		422,788	425,285
Operating Segments | Residential Consumer Mortgage Banking
Segment Reporting Information [Line Items]
Real estate securities		62,815	4,995
Home equity investments		0	0
Other investments		0	0
Goodwill		0	0
Intangible assets		0	0
Total Assets		594,842	971,535
Operating Segments | Residential Consumer Mortgage Banking | Residential consumer loans
Segment Reporting Information [Line Items]
Fair value of loans		511,706	911,192
Operating Segments | Residential Consumer Mortgage Banking | Residential investor loans
Segment Reporting Information [Line Items]
Fair value of loans		0	0
Operating Segments | Residential Consumer Mortgage Banking | Consolidated Agency multifamily loans
Segment Reporting Information [Line Items]
Fair value of loans		0	0
Operating Segments | Residential Investor Mortgage Banking
Segment Reporting Information [Line Items]
Real estate securities		0	0
Home equity investments		0	0
Other investments		0	0
Goodwill		23,373	23,373
Intangible assets		25,657	28,462
Total Assets		383,090	293,225
Operating Segments | Residential Investor Mortgage Banking | Residential consumer loans
Segment Reporting Information [Line Items]
Fair value of loans		0	0
Operating Segments | Residential Investor Mortgage Banking | Residential investor loans
Segment Reporting Information [Line Items]
Fair value of loans		280,551	180,250
Operating Segments | Residential Investor Mortgage Banking | Consolidated Agency multifamily loans
Segment Reporting Information [Line Items]
Fair value of loans		0	0
Operating Segments | Investment Portfolio
Segment Reporting Information [Line Items]
Real estate securities		149,492	122,802
Home equity investments		560,325	550,323
Other investments		279,737	287,822
Goodwill		0	0
Intangible assets		0	0
Total Assets		13,560,010	12,718,201
Operating Segments | Investment Portfolio | Residential consumer loans
Segment Reporting Information [Line Items]
Fair value of loans		6,973,027	5,999,706
Operating Segments | Investment Portfolio | Residential investor loans
Segment Reporting Information [Line Items]
Fair value of loans		4,901,443	5,040,048
Operating Segments | Investment Portfolio | Consolidated Agency multifamily loans
Segment Reporting Information [Line Items]
Fair value of loans		422,788	425,285
Corporate/ Other
Segment Reporting Information [Line Items]
Real estate securities		0	0
Home equity investments		420	113
Other investments		57,608	56,108
Goodwill		0	0
Intangible assets		0	0
Total Assets		520,032	521,366
Corporate/ Other | Residential consumer loans
Segment Reporting Information [Line Items]
Fair value of loans		131,859	139,739
Corporate/ Other | Residential investor loans
Segment Reporting Information [Line Items]
Fair value of loans		0	0
Corporate/ Other | Consolidated Agency 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, 2024 and December 31, 2023, assets of consolidated VIEs totaled $11,850,461 and $10,988,885, respectively. At March 31, 2024 and December 31, 2023, liabilities of consolidated VIEs totaled $10,921,862 and $10,096,308, respectively. See Note 4 for further discussion.

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