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Debt Obligations, Net - Schedule of Debt Obligations (Details) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 USD ($) facility | Dec. 31, 2023 USD ($) facility
Debt Instrument [Line Items] |  |
Principal Amount | $ 3,434,945 | $ 3,249,158
Carrying Value of Collateral | 3,700,905 | 3,405,564
Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 3,414,626 | $ 3,239,123
Short-Term Warehouse Facilities and Other | Residential consumer loan warehouse facilities | Facilities |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 6 | 4
Principal Amount | $ 886,801 | $ 796,537
Facility Capacity | $ 1,650,000 | $ 1,150,000
Weighted Average Interest Rate (as percent) | 7.21% | 7.27%
Carrying Value of Collateral | $ 957,143 | $ 907,742
Short-Term Warehouse Facilities and Other | Residential consumer loan warehouse facilities | Facilities | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 886,802 | $ 796,537
Short-Term Warehouse Facilities and Other | Residential investor loan warehouse facilities | Facilities |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 | 2
Principal Amount | $ 5,931 | $ 71,851
Facility Capacity | $ 350,000 | $ 455,000
Weighted Average Interest Rate (as percent) | 7.39% | 8.14%
Carrying Value of Collateral | $ 7,377 | $ 95,225
Short-Term Warehouse Facilities and Other | Residential investor loan warehouse facilities | Facilities | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 5,931 | $ 71,719
Short-Term Warehouse Facilities and Other | Real estate securities repurchase facilities | Facilities |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 5 | 3
Principal Amount | $ 87,924 | $ 82,622
Facility Capacity | $ 0 | $ 0
Weighted Average Interest Rate (as percent) | 6.67% | 7.01%
Carrying Value of Collateral | $ 123,289 | $ 122,110
Short-Term Warehouse Facilities and Other | Real estate securities repurchase facilities | Facilities | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 87,924 | $ 82,622
Short-Term Warehouse Facilities and Other | Residential MSR warehouse facility | Facilities |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 | 1
Principal Amount | $ 45,645 | $ 47,858
Facility Capacity | $ 50,000 | $ 50,000
Weighted Average Interest Rate (as percent) | 8.59% | 8.60%
Carrying Value of Collateral | $ 86,152 | $ 76,560
Short-Term Warehouse Facilities and Other | Residential MSR warehouse facility | Facilities | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 45,645 | $ 47,858
Short-Term Warehouse Facilities and Other | HEI warehouse facility | Facilities |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 | 1
Principal Amount | $ 103,446 | $ 122,659
Facility Capacity | $ 150,000 | $ 150,000
Weighted Average Interest Rate (as percent) | 9.85% | 9.89%
Carrying Value of Collateral | $ 212,422 | $ 237,973
Short-Term Warehouse Facilities and Other | HEI warehouse facility | Facilities | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 103,446 | $ 122,659
Short-Term Warehouse Facilities and Other | Servicer advance financing | Servicer advance financing |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 | 1
Principal Amount | $ 146,110 | $ 154,369
Facility Capacity | $ 240,000 | $ 240,000
Weighted Average Interest Rate (as percent) | 7.69% | 7.71%
Carrying Value of Collateral | $ 227,363 | $ 225,345
Short-Term Warehouse Facilities and Other | Servicer advance financing | Servicer advance financing | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 145,785 | $ 153,654
Recourse Subordinate Securities Financings: | Sequoia securities |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 | 1
Principal Amount | $ 121,123 | $ 124,552
Weighted Average Interest Rate (as percent) | 7.21% | 7.21%
Carrying Value of Collateral | $ 183,922 | $ 175,096
Recourse Subordinate Securities Financings: | Sequoia securities | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 121,123 | $ 124,552
Recourse Subordinate Securities Financings: | CAFL securities 1 |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 | 1
Principal Amount | $ 97,366 | $ 101,228
Weighted Average Interest Rate (as percent) | 7.21% | 5.71%
Carrying Value of Collateral | $ 128,526 | $ 124,793
Recourse Subordinate Securities Financings: | CAFL securities 1 | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 97,366 | $ 101,228
Recourse Subordinate Securities Financings: | CAFL securities 2 |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 | 1
Principal Amount | $ 52,954 | $ 57,982
Weighted Average Interest Rate (as percent) | 4.75% | 4.75%
Carrying Value of Collateral | $ 116,425 | $ 112,813
Recourse Subordinate Securities Financings: | CAFL securities 2 | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 52,954 | $ 57,982
Long-Term Residential Investor Facilities | Long-Term Residential Investor Facilities |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 6 | 6
Principal Amount | $ 991,843 | $ 1,023,384
Facility Capacity | $ 2,175,000 | $ 2,350,000
Weighted Average Interest Rate (as percent) | 8.53% | 8.14%
Carrying Value of Collateral | $ 1,360,667 | $ 1,327,907
Long-Term Residential Investor Facilities | Long-Term Residential Investor Facilities | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 989,939 | $ 1,021,708
Corporate Debt: | Promissory notes | Facilities |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 3 | 3
Principal Amount | $ 14,887 | $ 16,063
Facility Capacity | $ 0 |
Weighted Average Interest Rate (as percent) | 7.05% | 6.97%
Carrying Value of Collateral | $ 0 | $ 0
Corporate Debt: | Promissory notes | Carrying Value | Facilities |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 14,887 | $ 16,063
Corporate Debt: | $250 Million Facility | Facilities |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 |
Principal Amount | $ 125,000 |
Facility Capacity | $ 250,000 |
Weighted Average Interest Rate (as percent) | 10.35% |
Carrying Value of Collateral | $ 297,619 |
Corporate Debt: | $250 Million Facility | Carrying Value | Facilities |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 118,327 |
Corporate Debt: | 5.625% convertible senior notes | Convertible Debt |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 | 1
Principal Amount | $ 107,339 | $ 142,977
Weighted Average Interest Rate (as percent) | 5.625% | 5.625%
Corporate Debt: | 5.625% convertible senior notes | Carrying Value | Convertible Debt |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 107,339 | $ 142,558
Corporate Debt: | 5.75% exchangeable senior notes | Exchangeable Senior Notes |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 | 1
Principal Amount | $ 156,666 | $ 156,666
Weighted Average Interest Rate (as percent) | 5.75% | 5.75%
Corporate Debt: | 5.75% exchangeable senior notes | Carrying Value | Exchangeable Senior Notes |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 155,557 | $ 155,138
Corporate Debt: | 7.75% convertible senior notes | Convertible Debt |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 | 1
Principal Amount | $ 207,410 | $ 210,910
Weighted Average Interest Rate (as percent) | 7.75% | 7.75%
Corporate Debt: | 7.75% convertible senior notes | Carrying Value | Convertible Debt |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 203,214 | $ 206,032
Corporate Debt: | Trust preferred securities and subordinated notes |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 2 | 2
Principal Amount | $ 139,500 | $ 139,500
Weighted Average Interest Rate (as percent) | 7.84% | 7.90%
Corporate Debt: | Trust preferred securities and subordinated notes | Carrying Value |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 138,836 | $ 138,813
Corporate Debt: | 9.125% Senior Notes | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 |
Principal Amount | $ 60,000 |
Weighted Average Interest Rate (as percent) | 9.125% |
Corporate Debt: | 9.125% Senior Notes | Carrying Value | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 57,677 |
Corporate Debt: | 9.0% Senior Notes | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Number of Facilities or Issuances | facility | 1 |
Principal Amount | $ 85,000 |
Weighted Average Interest Rate (as percent) | 9.00% |
Corporate Debt: | 9.0% Senior Notes | Carrying Value | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Carrying Value | $ 81,874 |

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