Forward MSR-Related Investments (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2025		Sep. 30, 2024	Sep. 30, 2025		Sep. 30, 2024	Jun. 30, 2025	Dec. 31, 2024		Jun. 30, 2024	Dec. 31, 2023
MSR Financing Receivables [Line Items]
Servicer Advances Receivable	$ 93,500			$ 93,500				$ 93,500
Forward MSR-related investments, at fair value(1)	74,694	[1]	$ 149,831	74,694	[1]	$ 149,831	$ 81,256	$ 77,848	[1]	$ 158,031	$ 163,336
Capital Distributions	(7,024)		(7,719)	(21,187)		(23,210)
Accretion of Interest Income	2,622		4,041	8,203		11,284
Changes in Valuation Inputs and Assumptions	$ (2,160)		$ (4,522)	$ 9,830		$ (1,579)
MSR Servicing Fee Basis Points	0.125%			0.125%

[1] Ellington Financial Inc.'s Condensed 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.