Non-controlling Interests (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Noncontrolling Interest [Line Items]
Non-controlling interests(1)	[1]	$ 18,541	$ 24,919
Longbridge Financial LLC [Member]
Noncontrolling Interest [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage		99.60%	99.50%
Non-controlling interest of joint venture partner | Non-controlling Interest
Noncontrolling Interest [Line Items]
Non-controlling interests(1)		$ 4,900	$ 10,000
Operating Partnership | Non-controlling Interest
Noncontrolling Interest [Line Items]
Operating Partnership LTIP Units (in units)		748,955	769,573
Operating Partnership Units (in units)		46,360	46,360
Ownership Percentage		0.70%	1.00%
Noncontrolling Interest in Operating Partnerships		$ 11,100	$ 12,400
Longbridge Financial LLC [Member] | Non-controlling Interest
Noncontrolling Interest [Line Items]
Non-controlling interests(1)		$ 2,400	$ 2,400

[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.