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v3.21.1

Other Investments - Additional Information (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) partnership | Mar. 31, 2020 USD ($) | 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 | 192,852 |  | $ 217,656
Collateral amounts | 1,139,638 |  | 1,084,929
Equity investment income | 0 | $ 848 |
Investment fair value changes, net | 45,087 | (870,832) |
Interest income | 128,305 | 198,081 |
Servicer advance financing |  |  |
Net Investment Income [Line Items] |  |  |
Collateral amounts | 193,000 |  |
Equity investment income | 3,000 | 3,000 |
Investment fair value changes, net | (200) | (6,000) |
Held-for-sale residential loans |  |  |
Net Investment Income [Line Items] |  |  |
Servicing asset, fair value | 206,525 |  | 231,489
Servicing asset, unpaid principal balance on underlying loan | 8,600,000 |  |
Excess MSRs |  |  |
Net Investment Income [Line Items] |  |  |
Servicing asset, fair value | 32,465 |  | 34,418
Investment fair value changes, net | (2,000) | (9,000) |
Interest income | 3,000 | 3,000 |
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 | 5,000 | (8,000) |
MSRs |  |  |
Net Investment Income [Line Items] |  |  |
Servicing asset, fair value | 7,945 |  | 8,815
Aggregate principal balance | 2,070,000 |  | $ 2,590,000
MSR income (losses), net | $ 1,000 | $ (2,000) |

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