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v3.21.2

Other Investments - Additional Information (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) partnership | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Net Investment Income [Line Items] |  |  |  |  |
Number of partnerships consolidated | partnership |  |  | 2 |  |
Commitment to fund partnership |  |  | $ 94,000 |  |
Servicing asset, fair value | $ 171,818 |  | 171,818 |  | $ 217,656
Collateral amounts | 1,171,811 |  | 1,171,811 |  | 1,084,929
Investment fair value changes, net | 49,480 | $ 152,228 | 94,567 | $ (718,604) |
Interest income | 138,695 | 129,946 | 267,000 | 328,027 |
Mortgage Servicing Rights Retained | 2,000 |  | 2,000 |  |
Servicer advance financing |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |
Collateral amounts | 172,000 |  | 172,000 |  |
Equity investment income | 2,000 |  | 5,000 |  |
Investment fair value changes, net | (1,000) | (100) | (1,000) | (6,000) |
Servicer advance financing | Other Interest Income |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |
Investment fair value changes, net |  | 3,000 |  | 6,000 |
Held-for-sale residential loans |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |
Servicing asset, fair value | 184,551 |  | 184,551 |  | 231,489
Servicing asset, unpaid principal balance on underlying loan | 8,030,000 |  | 8,030,000 |  |
Excess MSRs |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |
Servicing asset, fair value | 29,988 |  | 29,988 |  | 34,418
Investment fair value changes, net | (2,000) | 3,000 | (4,000) | (7,000) |
Interest income | 3,000 | 3,000 | 6,000 | 6,000 |
Shared home appreciation options |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |
Payments to acquire investments | 47,000 |  |  |  |
Shared home appreciation options | Commitment To Fund Investment |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |
Investment fair value changes, net | 2,000 | 1,000 | 7,000 | (7,000) |
MSRs |  |  |  |  |
Net Investment Income [Line Items] |  |  |  |  |
Servicing asset, fair value | 8,721 |  | 8,721 |  | 8,815
Aggregate principal balance | $ 1,970,000 |  | 1,970,000 |  | $ 2,590,000
MSR income (losses), net |  | $ (1,000) | $ 1,000 | $ (3,000) |

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