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Basis of Presentation - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands |  |  | 1 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 15, 2019 | Mar. 01, 2019 | Oct. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019
Purchase price: |  |  |  |  |
Contingent consideration, at fair value |  |  |  | $ 0 | $ 28,484
5 Arches, LLC |  |  |  |  |
Purchase price: |  |  |  |  |
Cash |  | $ 12,575 |  |  |
Contingent consideration, at fair value |  | 24,621 |  | $ 15,000 |
Purchase option, at fair value |  | 5,082 |  |  |
Equity method investment, at fair value |  | 8,052 |  |  |
Allocated to: |  |  |  |  |
Business purpose loans, at fair value |  | 2,022 |  |  |
Cash and cash equivalents |  | 2,128 |  |  |
Restricted cash |  | 9,082 |  |  |
Other assets |  | 5,473 |  |  |
Goodwill |  | 28,747 |  |  |
Intangible assets |  | 24,800 |  |  |
Deferred tax asset |  | 0 |  |  |
Total assets acquired |  | 72,252 |  |  |
Asset-backed securities issued, at fair value |  | 0 |  |  |
Short-term debt, net |  | 3,800 |  |  |
Accrued expenses and other liabilities |  | 13,920 |  |  |
Deferred tax liability |  | 4,202 |  |  |
Total liabilities assumed |  | 21,922 |  |  |
Total net assets acquired |  | $ 50,330 |  |  |
CoreVest LLC |  |  |  |  |
Purchase price: |  |  |  |  |
Cash | $ 482,311 |  | $ 482,000 |  |
Contingent consideration, at fair value | 0 |  |  |  |
Purchase option, at fair value | 0 |  |  |  |
Equity method investment, at fair value | 0 |  |  |  |
Allocated to: |  |  |  |  |
Business purpose loans, at fair value | 2,610,490 |  |  |  |
Cash and cash equivalents | 30,685 |  |  |  |
Restricted cash | 0 |  |  |  |
Other assets | 67,420 |  |  |  |
Goodwill | 59,928 |  |  |  |
Intangible assets | 56,500 |  |  |  |
Deferred tax asset | 2,577 |  |  |  |
Total assets acquired | 2,827,600 |  |  |  |
Asset-backed securities issued, at fair value | 1,656,023 |  |  |  |
Short-term debt, net | 663,275 |  |  |  |
Accrued expenses and other liabilities | 25,991 |  |  |  |
Deferred tax liability | 0 |  |  |  |
Total liabilities assumed | 2,345,289 |  |  |  |
Total net assets acquired | $ 482,311 |  |  |  |

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