v3.19.1

To Be Announced RMBS (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
To Be Announced Securities [Line Items] |  |  |
TBA securities, at fair value (Current principal: $460,037) |  |  | $ 2,939,311
Investments sold short, at fair value- | $ (26,212) |  | (850,577)
Payable for securities purchased relating to unsettled TBA purchases | $ (168,211) | [1] | (488,411)
To Be Announced Fixed Rate Agency Securities [Member] |  |  |
To Be Announced Securities [Line Items] |  |  |
TBA securities, at fair value (Current principal: $460,037) |  |  | 474,860
Principal Amount |  |  | 460,037
Receivable for securities sold relating to unsettled TBA sales |  |  | 766,574
TBA - Fixed Rate Agency Securities Sold Short [Member] |  |  |
To Be Announced Securities [Line Items] |  |  |
Investments sold short, at fair value- |  |  | (772,964)
Principal Amount |  |  | (753,697)
Payable for securities purchased relating to unsettled TBA purchases |  |  | (473,386)
Net short TBA securities, at fair value |  |  | $ (298,104)
[1] | Ellington Financial Inc.'s Condensed 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.

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