Strategic Investments - Schedule of Components of Strategic Investments (Details) - USD ($) $ in Thousands		Mar. 31, 2026	Dec. 31, 2025
Investments, All Other Investments [Abstract]
Strategic investments, equity method		$ 60,013	$ 59,337
Strategic investments, measurement alternative		26,527	26,235
Strategic investments, at fair value		10,123	6,310
Other investments		10,065	10,076
Total Strategic Investments	[1]	$ 106,728	$ 101,958

[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, 2026 and December 31, 2025, assets of consolidated VIEs totaled $22,076,415 and $18,927,094, respectively. At March 31, 2026 and December 31, 2025, liabilities of consolidated VIEs totaled $20,784,429 and $17,850,175, respectively. See Note 16 for further discussion.