Servicing Investments -Schedule of Components of Other Investments and Components of Income from Other Investments, Net (Details) - USD ($) $ in Thousands		Dec. 31, 2025	Dec. 31, 2024
Investment Holdings [Line Items]
Total Servicing Investments	[1]	$ 302,230	$ 297,683
Servicer advance investments, at fair value
Investment Holdings [Line Items]
Total Servicing Investments		231,227	233,820
Excess MSRs, at fair value
Investment Holdings [Line Items]
Total Servicing Investments		37,971	32,274
MSRs, at fair value
Investment Holdings [Line Items]
Total Servicing Investments		$ 33,032	$ 31,589

[1] Our consolidated balance sheets include assets of 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 December 31, 2025 and 2024, assets of consolidated VIEs totaled $18,927,094 and $14,654,942, respectively. At December 31, 2025 and 2024, liabilities of consolidated VIEs totaled $17,850,175 and $13,620,239, respectively. See Note 15 for further discussion.