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Other Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Other Liabilities [Abstract] |  |
Payable for unsettled residential whole loans purchases | $ 163,015 | $ 0
Dividends and dividend equivalents payable | 44,247 | 34,016
Lease liability | 44,284 | 636
Accrued interest payable | 11,174 | 11,116
Accrued expenses and other | 73,235 | 24,754
Total Other Liabilities | $ 335,955 | $ 70,522

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