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Other Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019
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Other Assets [Abstract] |  |  |  |  |  |  |
REO |  | $ 178,802 | $ 204,762 | $ 249,699 | $ 298,867 | $ 348,516 | $ 411,659
Capital contributions made to loan origination partners |  | 53,537 |  | 47,148 |  |  |
Goodwill |  | 61,615 |  | 0 |  |  |
Intangible assets, net |  | 24,700 |  | 0 |  |  |
Other interest-earning assets |  | 35,437 |  | 0 |  |  |
Interest receivable |  | 41,432 |  | 38,850 |  |  |
Other loan related receivables |  | 45,242 |  | 16,682 |  |  |
Lease right-of-use asset |  | 39,500 |  | 758 |  |  |
Other |  | 61,338 |  | 32,244 |  |  |
Total Other Assets | [1] | 541,603 |  | 385,381 |  |  |
Real estate held-for-investment |  | 16,100 |  | $ 61,800 |  |  |
Accumulated amortization |  | $ 3,300 |  |  |  |  |
Borrowing rate |  | 7.50% |  |  |  |  |
[1] | See Note 6 for information regarding the Company’s pledged assets.

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