v3.26.1
Related Party Transactions (Details)
3 Months Ended
Mar. 31, 2026
USD ($)
period
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Related Party Transaction [Line Items]      
Annual base management fee percentage 1.50%    
Base management fee to affiliate [1] $ 7,101,000 $ 6,092,000  
Base management fee, gross 7,400,000 6,200,000  
Base management fee to affiliate (Net of fee rebates of $282 and $59, respectively)(1) $ 282,000 59,000 [1]  
Incentive fee rate 25.00%    
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 $ 1,300,000 3,200,000  
Investments in unconsolidated entities, at fair value(1) [2] 349,722,000   $ 312,421,000
Non-controlling interests(1) [2] 37,852,000   36,896,000
Reverse repurchase agreements 2,894,972,000   2,655,444,000
Real estate owned(1)(2) [2],[3] 101,167,000   75,548,000
Securities, at fair value(1)(2) [2],[3] 1,136,825,000   1,034,882,000
Accrued expenses and other liabilities(1) [2] 57,881,000   55,105,000
Other assets(1) [2] 28,197,000   26,446,000
Unpaid Principal Balance 16,647,345,000   16,000,731,000
Related Party Transaction, Purchases from Related Party 2,300,000 1,200,000  
Securities Collateral relating to Reverse Repurchase Agreements 3,500,000,000   3,300,000,000
Income tax expense (benefit) 966,000 (96,000)  
Loans, at fair value(1)(2) [2],[3] 17,393,161,000   16,640,647,000
Earnings (losses) from investments in unconsolidated entities 17,564,000 8,304,000  
Payments to Acquire Equity Method Investments 24,685,000 62,263,000  
Realized gains (losses) on securities and loans, net 14,715,000 (8,804,000)  
Incentive Fee Expense 19,222,000 4,533,000  
Share-based long term incentive plan unit expense 1,000,000.0 400,000  
Corporate loan [Member]      
Related Party Transaction [Line Items]      
Unpaid Principal Balance 32,138,000   25,767,000
Loans, at fair value(1)(2) 31,479,000   25,366,000
Consumer loans      
Related Party Transaction [Line Items]      
Unpaid Principal Balance 154,000   190,000
Loans, at fair value(1)(2) 135,000   159,000
Related Party-Consumer Loans Titled in Name of Related Party      
Related Party Transaction [Line Items]      
Fair value of loans held in related party trust 53,700,000   53,100,000
Affiliated Entity [Member]      
Related Party Transaction [Line Items]      
Accounts payable and accrued expenses [2] 8,200,000   2,400,000
Mortgage Originator      
Related Party Transaction [Line Items]      
Investments in unconsolidated entities, at fair value(1) 2,300,000   2,300,000
Purchasing Entity      
Related Party Transaction [Line Items]      
Fair value of loans held in related party trust 100,000   200,000
Related party trust - Residential Mortgage Loans and REO      
Related Party Transaction [Line Items]      
Fair value of loans held in related party trust 2,200,000,000   2,100,000,000
Mortgage Originator      
Related Party Transaction [Line Items]      
Warehouse facility, monetary amount $ 5,000,000.0    
Interest rate 15.00%    
Advances made under warehouse facility $ 0    
Investments in unconsolidated entities, at fair value(1) 60,200,000   52,600,000
Related Party Residential Mortgage Originator      
Related Party Transaction [Line Items]      
Investments in unconsolidated entities, at fair value(1) 1,500,000   1,500,000
RTL Originator      
Related Party Transaction [Line Items]      
Investments in unconsolidated entities, at fair value(1) 600,000   600,000
Mortgage loan originator      
Related Party Transaction [Line Items]      
Loan Purchase Commitments, at Fair Value (6,400,000)   (41,000)
Promissory Note to Equity Method Investee, the Residential Originator | Equity Method Investee | Corporate loan [Member]      
Related Party Transaction [Line Items]      
Unpaid Principal Balance $ 14,000,000.0   14,000,000
Promissory Note to Equity Method Investee, the Residential Originator | Equity Method Investee | Corporate loan [Member] | Interest rate through May 2025      
Related Party Transaction [Line Items]      
Investment Interest Rate 10.00%    
Promissory Note to Equity Method Investee, the Residential Originator | Equity Method Investee | Corporate loan [Member] | Interest rate through June 2025 through December 2029      
Related Party Transaction [Line Items]      
Investment Interest Rate 15.00%    
Promissory Note to Equity Method Investee, the Consumer Originator | Equity Method Investee | Consumer loans      
Related Party Transaction [Line Items]      
Investment Interest Rate 4.00%    
Unpaid Principal Balance $ 800,000   200,000
Commercial mortgage loans and REO      
Related Party Transaction [Line Items]      
Reverse repurchase agreements 441,000,000.0   383,200,000
Long      
Related Party Transaction [Line Items]      
Securities, at fair value(1)(2) 1,136,825,000   1,034,882,000
Non-controlling interest of joint venture partner      
Related Party Transaction [Line Items]      
Non-controlling interests(1) 15,600,000   20,800,000
Mortgage-related Commercial | Corporate equity securities      
Related Party Transaction [Line Items]      
Fair Value 116,700,000   101,100,000
Participation in multi-borrower financing facility      
Related Party Transaction [Line Items]      
Outstanding debt of related party 1,005,000,000.000   872,600,000
Warehouse facilities - CLO securitizations      
Related Party Transaction [Line Items]      
Base management fee to affiliate (Net of fee rebates of $282 and $59, respectively)(1) 27,000 49,000  
Affiliated REIT      
Related Party Transaction [Line Items]      
Base management fee to affiliate (Net of fee rebates of $282 and $59, respectively)(1) 300,000 $ 10,000  
Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures, Fair Value Disclosure 27,800,000   $ 26,500,000
Purchase Commitment, Amount Contributed $ 25,000,000.0    
[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.