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Principles of Consolidation - Assets and Liabilities of Consolidated Variable Interest Entities Accounted for as Collateralized Financing Entities (Details) $ in Thousands | Sep. 30, 2023 USD ($) Investment | Dec. 31, 2022 USD ($) Investment | Sep. 30, 2022 USD ($)
--- | --- | --- | ---
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | $ 431,272 |  | $ 403,462 |  |
Other investments | [1] | 340,361 |  | 390,938 |  |
Cash and cash equivalents |  | 203,622 | [1] | 258,894 | [1] | $ 297,000
Restricted cash |  | 56,000 |  |  |  | $ 72,000
Accrued interest receivable |  | 60,762 |  | 60,893 |  |
Other assets | [1] | 250,487 |  | 211,240 |  |
Total Assets | [1] | 13,021,138 |  | 13,030,899 |  |
Short-term debt | [1] | 1,476,654 |  | 2,029,679 |  |
Accrued interest payable |  | 51,849 |  | 46,612 |  |
Accrued expenses and other liabilities | [1] | 208,294 |  | 180,203 |  |
Asset-backed securities issued | [1] | 8,392,050 |  | 7,986,752 |  |
Total Liabilities | [1] | 11,915,339 |  | 11,946,914 |  |
CAFL |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of securities owned |  | 316,000 |  | 304,000 |  |
Freddie Mac SLST |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of securities owned |  | 256,000 |  | 323,000 |  |
Variable Interest Entity, Primary Beneficiary |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Total Assets |  | 9,639,117 |  | 9,257,291 |  |
Total Liabilities |  | 8,635,696 |  | 8,270,276 |  |
Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 129,150 |  | 132,627 |  |
Other investments |  | 252,650 |  | 301,213 |  |
Cash and cash equivalents |  | 15,198 |  | 13,475 |  |
Restricted cash |  | 28,285 |  | 29,862 |  |
Accrued interest receivable |  | 43,270 |  | 36,392 |  |
Other assets |  | 18,950 |  | 25,397 |  |
Total Assets |  | 9,639,117 |  | 9,257,291 |  |
Short-term debt |  | 154,128 |  | 206,510 |  |
Accrued interest payable |  | 29,119 |  | 25,300 |  |
Accrued expenses and other liabilities |  | 60,399 |  | 51,714 |  |
Asset-backed securities issued |  | 8,392,050 |  | 7,986,752 |  |
Total Liabilities |  | 8,635,696 |  | 8,270,276 |  |
Value of our investments in VIEs |  | $ 995,935 |  | $ 979,267 |  |
Number of VIEs | Investment |  | 67 |  | 64 |  |
Residential loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 5,236,391 |  | $ 4,832,407 |  |
Business purpose loans, held-for-investment |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans | [1] | 5,146,553 |  | 4,968,513 |  |
Business purpose loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 3,494,669 |  | 3,461,367 |  |
Consolidated Agency multifamily loans | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 420,554 |  | 424,551 |  |
Legacy Sequoia | Variable Interest Entity, Primary Beneficiary | 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 |  | 67 |  | 69 |  |
Accrued interest receivable |  | 333 |  | 284 |  |
Other assets |  | 0 |  | 637 |  |
Total Assets |  | 150,552 |  | 185,922 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 310 |  | 282 |  |
Accrued expenses and other liabilities |  | (106) |  | 0 |  |
Asset-backed securities issued |  | 149,202 |  | 184,191 |  |
Total Liabilities |  | 149,406 |  | 184,473 |  |
Value of our investments in VIEs |  | $ 950 |  | $ 1,285 |  |
Number of VIEs | Investment |  | 20 |  | 20 |  |
Legacy Sequoia | Residential loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 150,152 |  | $ 184,932 |  |
Legacy Sequoia | Business purpose loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Legacy Sequoia | Consolidated Agency multifamily loans | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Sequoia | Variable Interest Entity, Primary Beneficiary | 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 |  | 76 |  | 73 |  |
Accrued interest receivable |  | 15,263 |  | 11,227 |  |
Other assets |  | 0 |  | 0 |  |
Total Assets |  | 3,789,429 |  | 3,201,717 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 12,695 |  | 8,880 |  |
Accrued expenses and other liabilities |  | 80 |  | 81 |  |
Asset-backed securities issued |  | 3,568,505 |  | 2,971,109 |  |
Total Liabilities |  | 3,581,280 |  | 2,980,070 |  |
Value of our investments in VIEs |  | $ 205,581 |  | $ 219,299 |  |
Number of VIEs | Investment |  | 20 |  | 17 |  |
Sequoia | Residential loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 3,774,090 |  | $ 3,190,417 |  |
Sequoia | Business purpose loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Sequoia | Consolidated Agency multifamily loans | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
CAFL | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 0 |  | 0 |  |
Other investments |  | 0 |  | 0 |  |
Cash and cash equivalents |  | 0 |  | 710 |  |
Restricted cash |  | 24,127 |  | 26,296 |  |
Accrued interest receivable |  | 19,267 |  | 18,102 |  |
Other assets |  | 8,062 |  | 14,265 |  |
Total Assets |  | 3,546,125 |  | 3,520,740 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 11,181 |  | 10,918 |  |
Accrued expenses and other liabilities |  | 2,736 |  | 4,559 |  |
Asset-backed securities issued |  | 3,134,929 |  | 3,115,807 |  |
Total Liabilities |  | 3,148,846 |  | 3,131,284 |  |
Value of our investments in VIEs |  | $ 394,184 |  | $ 385,927 |  |
Number of VIEs | Investment |  | 20 |  | 19 |  |
CAFL | Residential loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 0 |  | $ 0 |  |
CAFL | Business purpose loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 3,494,669 |  | 3,461,367 |  |
CAFL | Consolidated Agency multifamily loans | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Freddie Mac SLST | Variable Interest Entity, Primary Beneficiary | 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 |  | 4,900 |  | 5,144 |  |
Other assets |  | 2,865 |  | 2,898 |  |
Total Assets |  | 1,319,914 |  | 1,465,100 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 3,398 |  | 3,561 |  |
Accrued expenses and other liabilities |  | 0 |  | 0 |  |
Asset-backed securities issued |  | 1,058,991 |  | 1,222,150 |  |
Total Liabilities |  | 1,062,389 |  | 1,225,711 |  |
Value of our investments in VIEs |  | $ 256,023 |  | $ 237,807 |  |
Number of VIEs | Investment |  | 2 |  | 3 |  |
Freddie Mac SLST | Residential loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 1,312,149 |  | $ 1,457,058 |  |
Freddie Mac SLST | Business purpose loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Freddie Mac SLST | Consolidated Agency multifamily loans | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Freddie Mac K-Series | Variable Interest Entity, Primary Beneficiary | 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 |  | 1,275 |  | 1,293 |  |
Other assets |  | 0 |  | 0 |  |
Total Assets |  | 421,829 |  | 425,844 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 1,150 |  | 1,167 |  |
Accrued expenses and other liabilities |  | 0 |  | 0 |  |
Asset-backed securities issued |  | 387,650 |  | 392,785 |  |
Total Liabilities |  | 388,800 |  | 393,952 |  |
Value of our investments in VIEs |  | $ 32,904 |  | $ 31,767 |  |
Number of VIEs | Investment |  | 1 |  | 1 |  |
Freddie Mac K-Series | Residential loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 0 |  | $ 0 |  |
Freddie Mac K-Series | Business purpose loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Freddie Mac K-Series | Consolidated Agency multifamily loans | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 420,554 |  | 424,551 |  |
Servicing Investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 0 |  | 0 |  |
Other investments |  | 252,650 |  | 301,213 |  |
Cash and cash equivalents |  | 15,198 |  | 12,765 |  |
Restricted cash |  | 0 |  | 0 |  |
Accrued interest receivable |  | 2,232 |  | 342 |  |
Other assets |  | 7,973 |  | 7,547 |  |
Total Assets |  | 278,053 |  | 321,867 |  |
Short-term debt |  | 154,128 |  | 206,510 |  |
Accrued interest payable |  | 385 |  | 492 |  |
Accrued expenses and other liabilities |  | 32,062 |  | 24,745 |  |
Asset-backed securities issued |  | 0 |  | 0 |  |
Total Liabilities |  | 186,575 |  | 231,747 |  |
Value of our investments in VIEs |  | $ 91,478 |  | $ 90,120 |  |
Number of VIEs | Investment |  | 3 |  | 3 |  |
Servicing Investment | Residential loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | $ 0 |  | $ 0 |  |
Servicing Investment | Business purpose loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
Servicing Investment | Consolidated Agency multifamily loans | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
HEI | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Home equity investments |  | 129,150 |  | 132,627 |  |
Other investments |  | 0 |  | 0 |  |
Cash and cash equivalents |  | 0 |  | 0 |  |
Restricted cash |  | 4,015 |  | 3,424 |  |
Accrued interest receivable |  | 0 |  | 0 |  |
Other assets |  | 50 |  | 50 |  |
Total Assets |  | 133,215 |  | 136,101 |  |
Short-term debt |  | 0 |  | 0 |  |
Accrued interest payable |  | 0 |  | 0 |  |
Accrued expenses and other liabilities |  | 25,627 |  | 22,329 |  |
Asset-backed securities issued |  | 92,773 |  | 100,710 |  |
Total Liabilities |  | 118,400 |  | 123,039 |  |
Value of our investments in VIEs |  | $ 14,815 |  | $ 13,062 |  |
Number of VIEs | Investment |  | 1 |  | 1 |  |
Fair value of securities owned |  | $ 15,000 |  |  |  |
HEI | Residential loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | $ 0 |  |
HEI | Business purpose loans, held-for-investment | Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Fair value of loans |  | 0 |  | 0 |  |
HEI | Consolidated Agency multifamily loans | Variable Interest Entity, Primary Beneficiary | 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 September 30, 2023 and December 31, 2022, assets of consolidated VIEs totaled $9,639,117 and $9,257,291, respectively. At September 30, 2023 and December 31, 2022, liabilities of consolidated VIEs totaled $8,635,696 and $8,270,276, respectively. See Note 4 for further discussion.

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- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. 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