Securitization Transactions (Schedule of Assets and Liabilities Attributable to Consolidated VIEs) (Details) - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Other secured borrowings, at fair value	[1]	$ 1,534,592	$ 1,539,881
Loans, at fair value	[1],[2]	11,812,567	11,626,008
Real estate owned	[1],[2]	26,717	28,403
Investment related receivables	[1]	163,029	139,413
Residential mortgage loans
Variable Interest Entity [Line Items]
Loans, at fair value		3,024,744	3,115,518
Consolidated Entities [Member] | Non-QM loan securitization
Variable Interest Entity [Line Items]
Other secured borrowings, at fair value		1,534,592	1,539,881
Investment related receivables		9,103	4,464
Consolidated Entities [Member] | Residential mortgage loans | Securitized loans [Member] | Non-QM loan securitization
Variable Interest Entity [Line Items]
Loans, at fair value		$ 1,662,848	$ 1,665,070

[1] Ellington Financial Inc.'s Condensed Consolidated Balance Sheets include assets and liabilities of variable interest entities it has consolidated. See Note 11 for additional details on Ellington Financial Inc.'s consolidated variable interest entities.

[2] Includes assets pledged as collateral to counterparties. See Note 13 for additional details on the Company's borrowings and related collateral.