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Short-Term Debt - Outstanding Balances of Short-Term Debt by Type of Collateral Securing Debt (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) facility | Dec. 31, 2023 USD ($) loan facility
Short-term Debt [Line Items] |  |  |
Outstanding Balance | [1] | $ 1,251,444,000 | $ 1,558,222,000
Facilities |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities | facility |  | 13 | 11
Outstanding Balance |  | $ 749,104,000 | $ 1,121,395,000
Facilities | Residential consumer loan warehouse |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities | facility |  | 5 | 4
Outstanding Balance |  | $ 470,761,000 | $ 796,537,000
Limit |  | $ 1,350,000,000 | $ 1,150,000,000
Weighted Average Interest Rate (as a percent) |  | 7.26% | 7.27%
Weighted Average Days Until Maturity |  | 226 days | 202 days
Facilities | Residential investor loan warehouse |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities | facility |  | 2 | 2
Outstanding Balance |  | $ 31,321,000 | $ 71,719,000
Limit |  | $ 455,000,000 | $ 455,000,000
Weighted Average Interest Rate (as a percent) |  | 8.06% | 8.14%
Weighted Average Days Until Maturity |  | 71 days | 166 days
Facilities | Real estate securities repo |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities | facility |  | 4 | 3
Outstanding Balance |  | $ 80,657,000 | $ 82,622,000
Limit |  | $ 0 | $ 0
Weighted Average Interest Rate (as a percent) |  | 6.81% | 7.01%
Weighted Average Days Until Maturity |  | 38 days | 26 days
Facilities | Residential MSR warehouse |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities |  | 1 | 1
Outstanding Balance |  | $ 46,514,000 | $ 47,858,000
Limit |  | $ 50,000,000 | $ 50,000,000
Weighted Average Interest Rate (as a percent) |  | 8.58% | 8.60%
Weighted Average Days Until Maturity |  | 211 days | 302 days
Facilities | HEI warehouse |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities | facility |  | 1 | 1
Outstanding Balance |  | $ 119,851,000 | $ 122,659,000
Limit |  | $ 150,000,000 | $ 150,000,000
Weighted Average Interest Rate (as a percent) |  | 9.84% | 9.89%
Weighted Average Days Until Maturity |  | 123 days | 214 days
Facilities | Non-Recourse Facility |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities | facility |  | 1 |
Limit |  | $ 300,000,000 |
Servicer advance financing |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities | facility |  | 1 | 1
Outstanding Balance |  | $ 147,341,000 | $ 153,653,000
Limit |  | $ 240,000,000 | $ 240,000,000
Weighted Average Interest Rate (as a percent) |  | 7.68% | 7.71%
Weighted Average Days Until Maturity |  | 246 days | 337 days
Recourse subordinate securities financing |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities |  | 2 | 1
Outstanding Balance |  | $ 223,934,000 | $ 124,552,000
Limit |  | $ 0 | $ 0
Weighted Average Interest Rate (as a percent) |  | 7.21% | 7.21%
Weighted Average Days Until Maturity |  | 235 days | 266 days
Promissory notes |  |  |
Short-term Debt [Line Items] |  |  |
Outstanding Balance |  | $ 15,273,000 | $ 16,064,000
Weighted Average Interest Rate (as a percent) |  | 7.02% | 6.97%
Convertible notes, net |  |  |
Short-term Debt [Line Items] |  |  |
Outstanding Balance |  | $ 115,792,000 | $ 142,558,000
Weighted Average Interest Rate (as a percent) |  | 5.63% | 5.63%
Weighted Average Days Until Maturity |  | 106 days | 197 days
[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 March 31, 2024 and December 31, 2023, assets of consolidated VIEs totaled $11,850,461 and $10,988,885, respectively. At March 31, 2024 and December 31, 2023, liabilities of consolidated VIEs totaled $10,921,862 and $10,096,308, respectively. See Note 4 for further discussion.

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