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Summary of Significant Accounting Policies - Offsetting of Financial Assets, Liabilities, and Collateral (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets |  |  |
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet | [1] | $ 65,213 | $ 26,467
Liabilities |  |  |
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet | [1] | (6,782) | (3,317)
Total Liabilities |  |  |
Gross Amounts of Recognized Assets (Liabilities) |  | (230,940) | (575,534)
Gross Amounts Offset in Consolidated Balance Sheet |  | 0 | 0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet |  | (230,940) | (575,534)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments |  | 224,924 | 574,629
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral (Received) Pledged |  | 1,280 | 895
Net Amount |  | (4,736) | (10)
Interest rate agreements |  |  |
Assets |  |  |
Gross Amounts of Recognized Assets (Liabilities) |  | 24,626 | 18,929
Gross Amounts Offset in Consolidated Balance Sheet |  | 0 | 0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet |  | 24,626 | 18,929
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments |  | (23) | (1,251)
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral (Received) Pledged |  | (7,638) | (16,046)
Net Amount |  | 16,965 | 1,632
Liabilities |  |  |
Gross Amounts of Recognized Assets (Liabilities) |  | (23) | (1,251)
Gross Amounts Offset in Consolidated Balance Sheet |  | 0 | 0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet |  | (23) | (1,251)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments |  | 23 | 1,251
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral (Received) Pledged |  | 0 | 0
Net Amount |  | 0 | 0
TBAs |  |  |
Assets |  |  |
Gross Amounts of Recognized Assets (Liabilities) |  | 13,568 | 2,880
Gross Amounts Offset in Consolidated Balance Sheet |  | 0 | 0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet |  | 13,568 | 2,880
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments |  | (529) | (633)
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral (Received) Pledged |  | (12,077) | (704)
Net Amount |  | 962 | 1,543
Liabilities |  |  |
Gross Amounts of Recognized Assets (Liabilities) |  | (6,545) | (658)
Gross Amounts Offset in Consolidated Balance Sheet |  | 0 | 0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet |  | (6,545) | (658)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments |  | 529 | 633
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral (Received) Pledged |  | 1,280 | 15
Net Amount |  | (4,736) | (10)
Futures |  |  |
Assets |  |  |
Gross Amounts of Recognized Assets (Liabilities) |  | 26,275 | 25
Gross Amounts Offset in Consolidated Balance Sheet |  | 0 | 0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet |  | 26,275 | 25
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments |  | (2) | (25)
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral (Received) Pledged |  | (10,675) | 0
Net Amount |  | 15,598 | 0
Liabilities |  |  |
Gross Amounts of Recognized Assets (Liabilities) |  | (2) | (905)
Gross Amounts Offset in Consolidated Balance Sheet |  | 0 | 0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet |  | (2) | (905)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments |  | 2 | 25
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral (Received) Pledged |  | 0 | 880
Net Amount |  | 0 | 0
Interest Rate Agreement, TBAs, and Futures |  |  |
Assets |  |  |
Gross Amounts of Recognized Assets (Liabilities) |  | 64,469 | 21,834
Gross Amounts Offset in Consolidated Balance Sheet |  | 0 | 0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet |  | 64,469 | 21,834
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments |  | (554) | (1,909)
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral (Received) Pledged |  | (30,390) | (16,750)
Net Amount |  | 33,525 | 3,175
Loan warehouse debt |  |  |
Loan warehouse debt and Security repurchase agreement |  |  |
Gross Amounts of Recognized Assets (Liabilities) |  | (224,370) | (572,720)
Gross Amounts Offset in Consolidated Balance Sheet |  | 0 | 0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet |  | (224,370) | (572,720)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments |  | 224,370 | 572,720
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral (Received) Pledged |  | 0 | 0
Net Amount |  | $ 0 | $ 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 September 30, 2022 and December 31, 2021, assets of consolidated VIEs totaled $9,449,163 and $10,661,081, respectively. At September 30, 2022 and December 31, 2021, liabilities of consolidated VIEs totaled $8,448,479 and $9,619,347, respectively. See Note 4 for further discussion.

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