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Servicing Investments - Schedule of Components of Servicing Investments (Details) - USD ($) $ in Thousands		Sep. 30, 2025	Dec. 31, 2024
Net Investment Income [Line Items]
Mortgage servicing rights	[1]	$ 282,256	$ 297,683
Servicer advance investments, at fair value
Net Investment Income [Line Items]
Mortgage servicing rights		221,656	233,820
Excess MSRs, at fair value
Net Investment Income [Line Items]
Mortgage servicing rights		30,044	32,274
MSRs
Net Investment Income [Line Items]
Mortgage servicing rights		$ 30,556	$ 31,589
[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, 2025 and December 31, 2024, assets of consolidated VIEs totaled $18,284,133 and $14,654,942, respectively. At September 30, 2025 and December 31, 2024, liabilities of consolidated VIEs totaled $17,164,811 and $13,620,239, respectively. See Note 16 for further discussion.

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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