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Principles of Consolidation - Schedule of Assets and Liabilities of Consolidated VIEs (Details) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) Investment securitization_entity | Dec. 31, 2023 USD ($) Investment | Jun. 30, 2023 USD ($)
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments | [1] | $ 574,119 |  | $ 550,436 |  |
Other investments | [1] | 349,906 |  | 343,930 |  |
Cash and cash equivalents |  | 275,581 | [1] | 293,104 | [1] | $ 357,308
Accrued interest receivable |  | 92,018 |  | 69,072 |  |
Other assets | [1] | 403,181 |  | 402,944 |  |
Total Assets | [1] | 16,491,104 |  | 14,504,327 |  |
Accrued interest payable |  | 60,060 |  | 52,755 |  |
Accrued expenses and other liabilities | [1] | 294,236 |  | 216,803 |  |
Asset-backed securities issued | [1] | 11,555,550 |  | 9,811,880 |  |
Total liabilities | [1] | $ 15,270,366 |  | 13,301,634 |  |
Securitization entity | securitization_entity |  | 2 |  |  |  |
CAFL |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of securities owned |  | $ 337,000 |  | 323,000 |  |
At consolidated CAFL Bridge entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of securities owned |  | 25,000 |  | 22,000 |  |
Freddie Mac SLST |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of securities owned |  | 258,000 |  | 274,000 |  |
VIEs |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Total Assets |  | 12,844,193 |  | 10,988,885 |  |
Total liabilities |  | 11,866,962 |  | 10,096,308 |  |
VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 320,816 |  | 305,717 |  |
Other investments |  | 257,676 |  | 257,489 |  |
Cash and cash equivalents |  | 24,791 |  | 9,482 |  |
Restricted cash |  | 33,347 |  | 44,905 |  |
Accrued interest receivable |  | 58,620 |  | 47,798 |  |
Other assets |  | 56,447 |  | 24,443 |  |
Total Assets |  | 12,844,193 |  | 10,988,885 |  |
Short-term debt |  | 145,785 |  | 153,653 |  |
Accrued interest payable |  | 43,649 |  | 33,932 |  |
Accrued expenses and other liabilities |  | 121,977 |  | 96,843 |  |
Asset-backed securities issued |  | 11,555,551 |  | 9,811,880 |  |
Total liabilities |  | 11,866,962 |  | 10,096,308 |  |
Value of our investments in VIEs |  | $ 978,967 |  | $ 885,770 |  |
Number of VIEs | Investment |  | 78 |  | 72 |  |
Residential consumer loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 8,247,608 |  | $ 6,139,445 |  |
Residential investor loans, held-for-investment |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans | [1] | 4,620,167 |  | 5,040,048 |  |
Residential investor loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 3,423,094 |  | 3,734,321 |  |
Consolidated Agency multifamily loans | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 421,794 |  | 425,285 |  |
Sequoia | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 0 |  | 0 |  |
Other investments |  | 0 |  | 0 |  |
Cash and cash equivalents |  | 0 |  | 0 |  |
Restricted cash |  | 149 |  | 163 |  |
Accrued interest receivable |  | 31,821 |  | 20,029 |  |
Other assets |  | 0 |  | 0 |  |
Total Assets |  | 6,982,556 |  | 4,800,395 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 27,879 |  | 16,293 |  |
Accrued expenses and other liabilities |  | 0 |  | 0 |  |
Asset-backed securities issued |  | 6,686,531 |  | 4,568,660 |  |
Total liabilities |  | 6,714,410 |  | 4,584,953 |  |
Value of our investments in VIEs |  | $ 264,136 |  | $ 211,638 |  |
Number of VIEs | Investment |  | 48 |  | 42 |  |
Sequoia | Residential consumer loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 6,950,586 |  | $ 4,780,203 |  |
Sequoia | Residential investor loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Sequoia | Consolidated Agency multifamily loans | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
CAFL | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 0 |  | 0 |  |
Other investments |  | 0 |  | 0 |  |
Cash and cash equivalents |  | 0 |  | 0 |  |
Restricted cash |  | 22,280 |  | 33,921 |  |
Accrued interest receivable |  | 18,481 |  | 20,806 |  |
Other assets |  | 49,640 |  | 14,886 |  |
Total Assets |  | 3,513,495 |  | 3,803,934 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 9,984 |  | 11,537 |  |
Accrued expenses and other liabilities |  | 6,650 |  | 2,734 |  |
Asset-backed securities issued |  | 3,058,191 |  | 3,362,978 |  |
Total liabilities |  | 3,074,825 |  | 3,377,249 |  |
Value of our investments in VIEs |  | $ 444,932 |  | $ 424,136 |  |
Number of VIEs | Investment |  | 21 |  | 21 |  |
CAFL | Residential consumer loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 0 |  | $ 0 |  |
CAFL | Residential investor loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 3,423,094 |  | 3,734,321 |  |
CAFL | Consolidated Agency multifamily loans | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Freddie Mac SLST | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 0 |  | 0 |  |
Other investments |  | 0 |  | 0 |  |
Cash and cash equivalents |  | 0 |  | 0 |  |
Restricted cash |  | 0 |  | 0 |  |
Accrued interest receivable |  | 4,678 |  | 4,821 |  |
Other assets |  | 2,527 |  | 3,158 |  |
Total Assets |  | 1,304,227 |  | 1,367,221 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 4,288 |  | 4,496 |  |
Accrued expenses and other liabilities |  | 0 |  | 0 |  |
Asset-backed securities issued |  | 1,204,835 |  | 1,265,777 |  |
Total liabilities |  | 1,209,123 |  | 1,270,273 |  |
Value of our investments in VIEs |  | $ 94,714 |  | $ 96,623 |  |
Number of VIEs | Investment |  | 3 |  | 3 |  |
Freddie Mac SLST | Residential consumer loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 1,297,022 |  | $ 1,359,242 |  |
Freddie Mac SLST | Residential investor loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Freddie Mac SLST | Consolidated Agency multifamily loans | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Freddie Mac K-Series | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 0 |  | 0 |  |
Other investments |  | 0 |  | 0 |  |
Cash and cash equivalents |  | 0 |  | 0 |  |
Restricted cash |  | 0 |  | 0 |  |
Accrued interest receivable |  | 1,257 |  | 1,320 |  |
Other assets |  | 0 |  | 0 |  |
Total Assets |  | 423,051 |  | 426,605 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 1,131 |  | 1,190 |  |
Accrued expenses and other liabilities |  | 0 |  | 0 |  |
Asset-backed securities issued |  | 387,791 |  | 391,977 |  |
Total liabilities |  | 388,922 |  | 393,167 |  |
Value of our investments in VIEs |  | $ 34,003 |  | $ 33,308 |  |
Number of VIEs | Investment |  | 1 |  | 1 |  |
Freddie Mac K-Series | Residential consumer loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 0 |  | $ 0 |  |
Freddie Mac K-Series | Residential investor loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Freddie Mac K-Series | Consolidated Agency multifamily loans | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 421,794 |  | 425,285 |  |
Servicing Investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 0 |  | 0 |  |
Other investments |  | 257,676 |  | 257,489 |  |
Cash and cash equivalents |  | 24,791 |  | 9,482 |  |
Restricted cash |  | 0 |  | 0 |  |
Accrued interest receivable |  | 2,383 |  | 822 |  |
Other assets |  | 4,181 |  | 6,337 |  |
Total Assets |  | 289,031 |  | 274,130 |  |
Short-term debt |  | 145,785 |  | 153,653 |  |
Accrued interest payable |  | 367 |  | 416 |  |
Accrued expenses and other liabilities |  | 43,058 |  | 34,357 |  |
Asset-backed securities issued |  | 0 |  | 0 |  |
Total liabilities |  | 189,210 |  | 188,426 |  |
Value of our investments in VIEs |  | $ 99,821 |  | $ 85,704 |  |
Number of VIEs | Investment |  | 3 |  | 3 |  |
Servicing Investment | Residential consumer loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 0 |  | $ 0 |  |
Servicing Investment | Residential investor loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Servicing Investment | Consolidated Agency multifamily loans | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
HEI | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 320,816 |  | 305,717 |  |
Other investments |  | 0 |  | 0 |  |
Cash and cash equivalents |  | 0 |  | 0 |  |
Restricted cash |  | 10,918 |  | 10,821 |  |
Accrued interest receivable |  | 0 |  | 0 |  |
Other assets |  | 99 |  | 62 |  |
Total Assets |  | 331,833 |  | 316,600 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 0 |  | 0 |  |
Accrued expenses and other liabilities |  | 72,269 |  | 59,752 |  |
Asset-backed securities issued |  | 218,203 |  | 222,488 |  |
Total liabilities |  | 290,472 |  | 282,240 |  |
Value of our investments in VIEs |  | $ 41,361 |  | $ 34,361 |  |
Number of VIEs | Investment |  | 2 |  | 2 |  |
Fair value of securities owned |  | $ 41,000 |  |  |  |
HEI | Residential consumer loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | $ 0 |  |
HEI | Residential investor loans, held-for-investment | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
HEI | Consolidated Agency multifamily loans | VIEs | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 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 June 30, 2024 and December 31, 2023, assets of consolidated VIEs totaled $12,844,193 and $10,988,885, respectively. At June 30, 2024 and December 31, 2023, liabilities of consolidated VIEs totaled $11,866,962 and $10,096,308, respectively. See Note 15 for further discussion.

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