Other Investments - Summary of Other Investments (Details) - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022
Net Investment Income [Line Items]
Other Investments	[1]	$ 381,690	$ 390,938
Mortgage servicing rights
Net Investment Income [Line Items]
Mortgage servicing rights		24,831	25,421
Other
Net Investment Income [Line Items]
Other		277	705
Servicer advance investments
Net Investment Income [Line Items]
Mortgage servicing rights		260,378	269,259
Strategic investments
Net Investment Income [Line Items]
Mortgage servicing rights		57,397	56,518
Excess MSRs
Net Investment Income [Line Items]
Mortgage servicing rights		$ 38,807	$ 39,035

[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, 2023 and December 31, 2022, assets of consolidated VIEs totaled $9,836,956 and $9,257,291, respectively. At March 31, 2023 and December 31, 2022, liabilities of consolidated VIEs totaled $8,729,585 and $8,270,276, respectively. See Note 4 for further discussion.