Securitization Transactions (Schedule of Assets and Liabilities Attributable to Consolidated VIEs) (Details) - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Other secured borrowings, at fair value	[1]	$ 1,635,829	$ 984,168
Loans, at fair value	[1],[2]	3,822,895	2,415,321
Real estate owned	[1],[2]	20,738	24,681
Investment related receivables	[1]	172,826	122,175
Residential mortgage loans
Variable Interest Entity [Line Items]
Loans, at fair value		3,348,810	2,016,228
Consolidated Entities [Member] | Non-QM loan securitization
Variable Interest Entity [Line Items]
Other secured borrowings, at fair value		1,635,829	984,168
Investment related receivables		7,706	23,069
Consolidated Entities [Member] | Residential mortgage loans | Securitized loans [Member] | Non-QM loan securitization
Variable Interest Entity [Line Items]
Loans, at fair value		$ 1,762,845	$ 1,041,545

[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.