Securitization Transactions (Schedule of Assets and Liabilities Attributable to Consolidated VIEs) (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Loans, at fair value(1)(2)	[1],[2]	$ 12,306,636	$ 11,626,008
Investment related receivables(1)	[1]	480,249	139,413
Other secured borrowings, at fair value(1)	[1]	1,424,668	1,539,881
Residential mortgage loans
Variable Interest Entity [Line Items]
Loans, at fair value(1)(2)		3,093,912	3,115,518
Consolidated Entities [Member] | Non-QM loan securitization
Variable Interest Entity [Line Items]
Investment related receivables(1)		1,884	4,464
Other secured borrowings, at fair value(1)		1,424,668	1,539,881
Consolidated Entities [Member] | Residential mortgage loans | Securitized loans [Member] | Non-QM loan securitization
Variable Interest Entity [Line Items]
Loans, at fair value(1)(2)		$ 1,555,371	$ 1,665,070

[1] Ellington Financial Inc.'s Consolidated Balance Sheets include assets and liabilities of variable interest entities it has consolidated. See Note 12 for additional details on Ellington Financial Inc.'s consolidated variable interest entities.

[2] Includes assets pledged as collateral to counterparties. See Note 14 for additional details on the Company's borrowings and related collateral.