Other Assets and Liabilities - Schedule of Components of Other Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2026	Dec. 31, 2025
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Accrued interest receivable		$ 143,415	$ 130,955
Real estate owned		121,167	124,270
Margin receivable		81,807	33,439
Investment receivable		46,185	38,082
Receivable from joint venture partners		31,304	9,298
Deferred tax asset		12,352	12,352
Intangible assets		8,613	10,623
Fixed assets and leasehold improvements		8,253	6,354
Operating lease right-of-use assets		$ 8,059	$ 8,902
Operating lease right-of-use asset, statement of financial position [Extensible List]		Total Other Assets	Total Other Assets
Other		$ 47,349	$ 39,247
Total Other Assets	[1]	508,504	$ 413,522
Fixed assets		23,000
Accumulated depreciation		$ 15,000

[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.