Securitization Transactions (Schedule of Assets and Liabilities Attributable to Consolidated VIEs) (Details) - USD ($) $ in Thousands		Dec. 31, 2022		Oct. 03, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Other secured borrowings, at fair value	[1]	$ 1,539,881			$ 984,168
Loans, at fair value		11,626,008	[1],[2]	$ 7,698,426	2,415,321	[1],[2]
Real estate owned		28,403	[1],[2]	$ 8,511	24,681	[1],[2]
Investment related receivables	[1]	139,413			122,175
Residential mortgage loans
Variable Interest Entity [Line Items]
Loans, at fair value		3,115,518			2,016,228
Consolidated Entities [Member] | Non-QM loan securitization
Variable Interest Entity [Line Items]
Other secured borrowings, at fair value		1,539,881			984,168
Investment related receivables		4,464			23,069
Consolidated Entities [Member] | Residential mortgage loans | Securitized loans [Member] | Non-QM loan securitization
Variable Interest Entity [Line Items]
Loans, at fair value		$ 1,665,000			$ 1,041,545

[1] Ellington Financial Inc.'s 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.