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v3.23.2

Other Investments - Additional Information (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2023 USD ($) numberOfInvestment Investment | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) numberOfInvestment partnership Investment | Jun. 30, 2022 USD ($) | Dec. 31, 2018 partnership | Dec. 31, 2022 USD ($)
Net Investment Income [Line Items] |  |  |  |  |  |
Number of partnerships consolidated | partnership |  |  | 2 |  | 2 |
Collateral amounts | $ 1,480,062 |  | $ 1,480,062 |  |  | $ 1,379,856
Investment fair value changes, net | (4,596) | $ (87,972) | (4,723) | $ (94,092) |  |
Investments | 6,000 |  | 6,000 |  |  |
Other income, net | 4,158 | 7,006 | 8,714 | 12,989 |  |
Interest income | 178,981 | 167,455 | 357,497 | 356,855 |  |
MSR income, net | 3,349 | 5,376 | 4,426 | 9,679 |  |
Strategic investments |  |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |  |
Investment fair value changes, net | (3,000) | 10,000 | (3,000) | 10,000 |  |
Other income, net | $ (1,000) | $ (300) | $ (1,000) | $ (200) |  |
Strategic investments | RWT Horizons |  |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |  |
Number of investments made | Investment | 33 |  | 33 |  |  |
Investments | $ 23,000 |  | $ 23,000 |  |  |
Strategic investments | Churchill Finance |  |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |  |
Number of investments made | numberOfInvestment | 6,000 |  | 6,000 |  |  |
MSRs |  |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |  |
Mortgage servicing rights | $ 26,242 |  | $ 26,242 |  |  | 25,421
Aggregate principal balance | 2,110,000 |  | 2,110,000 |  |  | 2,190,000
MSR income, net | 3,000 |  | 4,000 |  |  |
Servicer advance financing |  |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |  |
Collateral amounts | 203,000 |  | 203,000 |  |  |
Income (loss) from equity method investments | 5,000 |  | 10,000 |  |  |
Investment fair value changes, net | 4,000 |  | 2,000 |  |  |
Held-for-sale residential loans |  |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |  |
Mortgage servicing rights | 234,304 |  | 234,304 |  |  | 269,259
Servicing asset, unpaid principal balance on underlying loan | 10,740,000 |  | 10,740,000 |  |  |
Excess MSRs |  |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |  |
Mortgage servicing rights | 39,877 |  | 39,877 |  |  | $ 39,035
Investment fair value changes, net | 1,000 |  | 1,000 |  |  |
Interest income | 4,000 |  | 7,000 |  |  |
Fair value option elected aggregate carrying amount, asset | $ 0 |  | $ 0 |  |  |

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