v3.20.4

Investment in Loans Investment in Loans (Schedule of Residential Mortgage Loans: Performance) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Unpaid Principal Balance |  | $ 1,417,054 | $ 1,387,733
Loans, at fair value | [1],[2] | 1,453,480 | 1,412,426
Residential mortgage loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Unpaid Principal Balance |  | 1,150,303 | 911,705
Loans, at fair value |  | 1,187,069 | 932,203
Residential mortgage loans | Performing Financial Instruments [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Unpaid Principal Balance |  | 18,120 | 27,663
Loans, at fair value |  | 16,741 | 25,323
Residential mortgage loans | Non-performing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Unpaid Principal Balance |  | 62,009 | 17,757
Loans, at fair value |  | $ 58,169 | $ 15,580
[1] | Ellington Financial Inc.'s Consolidated Balance Sheet includes assets and liabilities of variable interest entities it has consolidated. See Note 9 for additional details on Ellington Financial Inc.'s consolidated variable interest entities.
[2] | Includes assets pledged as collateral to counterparties. See Note 11 for additional details on the Company's borrowings and related collateral.

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