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Other Investments - Summary of Other Investments (Details) - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Net Investment Income [Line Items]
Home equity investments	[1]	$ 340,437	$ 192,740
Other Investments	[1]	412,762	449,229
Mortgage servicing rights
Net Investment Income [Line Items]
Mortgage servicing rights		24,796	12,438
Other
Net Investment Income [Line Items]
Other		973	5,935
Servicer advance investments
Net Investment Income [Line Items]
Mortgage servicing rights		274,934	350,923
Strategic investments
Net Investment Income [Line Items]
Mortgage servicing rights		71,607	35,702
Excess MSRs
Net Investment Income [Line Items]
Mortgage servicing rights		$ 40,452	$ 44,231
[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, 2022 and December 31, 2021, assets of consolidated VIEs totaled $9,449,163 and $10,661,081, respectively. At September 30, 2022 and December 31, 2021, liabilities of consolidated VIEs totaled $8,448,479 and $9,619,347, respectively. See Note 4 for further discussion.

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