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Debt Obligations, Net -Narrative (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 30, 2024 USD ($) | Jul. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jan. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2024 USD ($) loan facility | Jun. 30, 2023 facility | Dec. 31, 2023 USD ($) facility | Dec. 31, 2021 | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal Amount | $ 3,434,945 |  | $ 3,434,945 |  | $ 3,434,945 | $ 3,434,945 |  | $ 3,249,158 |  |
Riverbend Funding, LLC | Corporate Debt: |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, number of equity instruments | loan |  |  |  |  |  | 3 |  |  |  |
Minimum | Riverbend Funding, LLC | Corporate Debt: |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Fixed interest rate (as a percentage) | 6.00% |  | 6.00% |  | 6.00% | 6.00% |  |  |  |
Maximum | Riverbend Funding, LLC | Corporate Debt: |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Fixed interest rate (as a percentage) | 8.00% |  | 8.00% |  | 8.00% | 8.00% |  |  |  |
Residential consumer loan warehouse facilities | Redwood | Short-Term Warehouse Facilities and Other |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Number of Facilities or Issuances | facility |  |  |  |  |  |  | 8 |  |  |
Borrowing capacity | $ 1,850,000 |  | $ 1,850,000 |  | $ 1,850,000 | $ 1,850,000 |  |  |  |
Residential investor loan warehouse facilities | Redwood | Short-Term Warehouse Facilities and Other |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Number of Facilities or Issuances | facility |  |  |  |  |  |  |  | 7 |  |
Borrowing capacity | $ 2,530,000 |  | 2,530,000 |  | 2,530,000 | $ 2,530,000 |  |  |  |
Recourse Subordinate Securities Financing Receivable | Redwood |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate, over time | 4.21% |  |  |  |  |  |  |  |  |
Recourse Subordinate Securities Financing Receivable | Redwood | Affiliated Entity | CAFL |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate, over time |  |  |  |  |  |  |  |  | 4.75% | 4.21%
Recourse Subordinate Securities Financing Receivable | Redwood | Subsequent Event |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchased debt instrument, face amount |  | $ 205,000 |  |  |  |  |  |  |  |
Interest rate (as percent) |  | 8.50% |  |  |  |  |  |  |  |
Recourse Subordinate Securities Financing Receivable | Redwood | October 2022 through September 2023 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate, over time | 5.71% |  |  |  |  |  |  |  |  |
Recourse Subordinate Securities Financing Receivable | Redwood | October 2023 through September 2024 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate, over time | 7.21% |  |  |  |  |  |  |  |  |
Recourse Subordinate Securities Financing Receivable | Redwood | March 2023 through February 2024 | Affiliated Entity | CAFL |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate, over time |  |  |  |  |  |  |  |  |  | 5.71%
Recourse Subordinate Securities Financing Receivable | Redwood | March 2024 through February 2025 | Affiliated Entity | CAFL |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate, over time |  |  |  |  |  |  |  |  |  | 7.21%
Recourse Subordinate Securities Financing Receivable | Redwood | July 2024 through June 2025 | Affiliated Entity | CAFL |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate, over time |  |  |  |  |  |  |  |  | 6.25% |
Recourse Subordinate Securities Financing Receivable | Redwood | July 2025 to June 2026 | Affiliated Entity | CAFL |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate, over time |  |  |  |  |  |  |  |  | 7.75% |
Corporate Debt: | $250 Million Facility | Facilities |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Number of Facilities or Issuances | facility |  |  |  |  |  | 1 |  |  |  |
Borrowing capacity | $ 250,000 |  | 250,000 |  | 250,000 | $ 250,000 |  |  |  |
Principal Amount | $ 125,000 |  | $ 125,000 |  | $ 125,000 | $ 125,000 |  |  |  |
Range of weighted average interest rates, by series (as a percent) | 10.35% |  | 10.35% |  | 10.35% | 10.35% |  |  |  |
Corporate Debt: | 9.0% Senior Notes | Unsecured Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Number of Facilities or Issuances | facility |  |  |  |  |  | 1 |  |  |  |
Principal Amount | $ 85,000 |  | $ 85,000 |  | $ 85,000 | $ 85,000 |  |  |  |
Range of weighted average interest rates, by series (as a percent) | 9.00% |  | 9.00% |  | 9.00% | 9.00% |  |  |  |
Other Recourse Financing Facility | Corporate Debt: | Facilities |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit term |  |  |  |  |  | 2 years |  |  |  |
Line of credit, length of extension option |  |  |  |  |  | 1 year |  |  |  |
9.125% Senior Notes Due 2029 | Corporate Debt: | Unsecured Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal Amount |  |  |  | $ 60,000 |  |  |  |  |  |
Debt Instrument interest rate (as a percent) |  |  |  | 9.125% |  |  |  |  |  |
Redemption price |  |  | 100.00% | 100.00% |  |  |  |  |  |
Convertible Senior Notes Due July 2024 | Corporate Debt: | Convertible Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repayments of Convertible Debt |  |  |  |  | $ 9,000 | $ 36,000 |  |  |  |
7.75% convertible senior notes | Corporate Debt: | Convertible Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt Instrument interest rate (as a percent) | 7.75% |  | 7.75% |  | 7.75% | 7.75% |  |  |  |
Repayments of Convertible Debt |  |  |  |  |  | $ 4,000 |  |  |  |
Exchangeable Senior Notes Due 2027 | Corporate Debt: | Convertible Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Gain on extinguishment of debt |  |  |  |  |  | $ 100 |  |  |  |

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