Securitization Transactions (Schedule of CLO Securitization Transactions) (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Securitization Transactions [Line Items]
Securities, at fair value(1)(2)	[1],[2]	$ 1,877,529	$ 2,087,360
CLOs | Related Party CLO securitization [Member]
Securitization Transactions [Line Items]
Securities, at fair value(1)(2)		$ 17,200	$ 27,600

[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.

[2] Includes assets pledged as collateral to counterparties. See Note 11 for additional details on the Company's borrowings and related collateral.