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Real Estate Securities - Fair Values of Real Estate Securities by Collateral Type and Entity (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Investments, Debt and Equity Securities [Abstract] |  |  |
Trading |  | $ 170,619 | $ 125,667
Available-for-sale |  | 206,792 | 218,458
Total Real Estate Securities | [1] | $ 377,411 | $ 344,125
[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, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

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