Real Estate Securities - Schedule of Fair Values of Real Estate Securities (Details) - USD ($) $ in Thousands		Jun. 30, 2026	Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]
Trading		$ 193,550	$ 135,459
AFS		287,347	287,557
Total Real Estate Securities	[1]	$ 480,897	$ 423,016

[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 June 30, 2026 and December 31, 2025, assets of consolidated VIEs totaled $24,372,361 and $18,927,094, respectively. At June 30, 2026 and December 31, 2025, liabilities of consolidated VIEs totaled $22,877,902 and $17,850,175, respectively. See Note 16 for further discussion.