Basis of Presentation - Goodwill – Activity (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Goodwill [Roll Forward]
Beginning balance		$ 0	[1]	$ 0
Goodwill recognized from acquisition		23,373		0
Goodwill impairment expense	$ 89,000	0		0		$ 88,675
Ending Balance		$ 23,373	[1]	$ 0	[1]	$ 0

[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 December 31, 2022 and 2021, assets of consolidated VIEs totaled $9,257,291 and $10,661,081, respectively. At December 31, 2022 and 2021, liabilities of consolidated VIEs totaled $8,270,276 and $9,619,347, respectively. See Note 4 for further discussion.