Related Party Transactions (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2024 USD ($) period numberOfWarrants	Mar. 31, 2023 USD ($)		Dec. 31, 2023 USD ($)
Related Party Transaction [Line Items]
Annual base management fee percentage		1.50%
Base management fee to affiliate	[1]	$ 5,730	$ 4,956
Base management fee, gross		5,800	5,100
Base management fee to affiliate (Net of fee rebates of $86 and $172, respectively)(2)		$ 86	172	[1]
Incentive fee rate		25.00%
Incentive Fee, Loss Carryforward					$ 22,100
Incentive fee hurdle rate fixed		9.00%
Incentive fee hurdle rate floating		3.00%
Minimum percentage of incentive fee to be paid in share		10.00%
Termination Fee, Number Of Periods | period		2
Termination Fee, Period		12 months
Expense Reimbursement Period		60 days
Expense Reimbursement - Manager		$ 6,000	4,800
Investments in unconsolidated entities, at fair value	[2]	125,366			116,414
Non-controlling interests(1)	[2]	19,697			18,541
Reverse repurchase agreements		2,517,747			2,967,437
Real estate owned(1)(2)	[2],[3]	19,999			22,085
Securities, at fair value(1)(2)	[2],[3]	1,328,848			1,518,377
Accrued expenses and other liabilities(1)	[2]	74,638			90,341
Other assets(1)	[2]	75,422			77,099
Unpaid Principal Balance		12,432,144			12,164,019
Related Party Transaction, Purchases from Related Party		1,200
Securities Collateral relating to Reverse Repurchase Agreements		3,100,000			3,700,000
Income tax expense (benefit)		61	21
Loans, at fair value(1)(2)	[2],[3]	12,644,232			12,306,636
Earnings (losses) from investments in unconsolidated entities		2,226	3,444
Payments to Acquire Equity Method Investments		15,659	5,654
Realized gains (losses) on securities and loans, net		(17,208)	$ (36,767)
Corporate loan [Member]
Related Party Transaction [Line Items]
Unpaid Principal Balance		6,965			6,379
Loans, at fair value(1)(2)		6,219			5,819
Related Party-Consumer Loans Titled in Name of Related Party
Related Party Transaction [Line Items]
Fair value of loans held in related party trust		71,500			74,200
Affiliated Entity [Member]
Related Party Transaction [Line Items]
Accounts payable and accrued expenses	[2]	4,300			5,200
Mortgage Originator
Related Party Transaction [Line Items]
Advances made under warehouse facility					0
Investments in unconsolidated entities, at fair value		600			600
Purchasing Entity
Related Party Transaction [Line Items]
Fair value of loans held in related party trust		1,200			1,600
Related party trust - Residential Mortgage Loans and REO
Related Party Transaction [Line Items]
Fair value of loans held in related party trust		1,600,000			1,500,000
Mortgage Originator
Related Party Transaction [Line Items]
Warehouse facility, monetary amount		$ 5,000
Interest rate		15.00%
Advances made under warehouse facility		$ 0
Investments in unconsolidated entities, at fair value		21,300			23,800
Jepson Holdings Limited
Related Party Transaction [Line Items]
Investments in unconsolidated entities, at fair value		700			600
Commercial mortgage loans and REO
Related Party Transaction [Line Items]
Reverse repurchase agreements		$ 141,500			165,900
Warrants | Mortgage Originator
Related Party Transaction [Line Items]
Derivative, Number of Instruments Held | numberOfWarrants		8,280,000
Long
Related Party Transaction [Line Items]
Securities, at fair value(1)(2)		$ 1,328,848			1,518,377
Warrants | Mortgage Originator
Related Party Transaction [Line Items]
Investments in unconsolidated entities, at fair value		10,300
Mortgage-related Commercial | Corporate equity securities
Related Party Transaction [Line Items]
Fair Value		72,200			63,700
Participation in multi-borrower financing facility
Related Party Transaction [Line Items]
Outstanding debt of related party		555,000			560,500
Warehouse facilities - CLO securitizations
Related Party Transaction [Line Items]
Investments in unconsolidated entities, at fair value		$ 38			$ 200

[1] See Note 16 for further details on management fee rebates.

[2] 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.

[3] Includes assets pledged as collateral to counterparties. See Note 14 for additional details on the Company's borrowings and related collateral.