v3.26.1
Securitization Transactions Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Securitization Transactions [Line Items]          
Securities, at fair value(1)(2) [1],[2] $ 1,230,743   $ 1,230,743   $ 1,034,882
Unpaid principal balance of HECM loans pooled into HMBS $ 412,600 $ 369,000 $ 773,200 $ 726,200  
Number of HMBS pools being serviced 1,095   1,095   1,028
Unpaid principal balance of loans in HMBS - Servicing $ 10,500,000   $ 10,500,000   $ 9,900,000
HMBS buyouts $ 59,200 $ 30,400 $ 114,700 $ 62,100  
Debt Instrument, Interest Rate, Effective Rate 6.23%   6.23%   6.70%
Investments in unconsolidated entities, at fair value(1) [1] $ 402,259   $ 402,259   $ 312,421
Secured borrowing facility collateralized by HECM tail draws          
Securitization Transactions [Line Items]          
Debt Instrument, Interest Rate, Effective Rate 7.12%   7.12%   7.25%
Co-Sponsored Securitization          
Securitization Transactions [Line Items]          
Securities, at fair value(1)(2) $ 179,200   $ 179,200   $ 161,200
Non-QM loan securitization, not consolidated          
Securitization Transactions [Line Items]          
Securities, at fair value(1)(2) 263,300   263,300   183,100
Non-QM loan securitization, not consolidated | December 2022 | Participated Risk Retention Vehicle          
Securitization Transactions [Line Items]          
Investments in unconsolidated entities, at fair value(1) 140,600   140,600   69,100
Proprietary Reverse Mortgage Loan Securitization | February 2026          
Securitization Transactions [Line Items]          
Notes Issued by Proprietary Reverse Mortgage Loan Securitization Trust     260,440    
Proprietary Reverse Mortgage Loan Securitization | The Company [Member] | February 2026          
Securitization Transactions [Line Items]          
Proprietary Reverse Mortgage Loans Transferred into Securitization Trust     223,023    
RTL Securitization          
Securitization Transactions [Line Items]          
Unfunded commitment $ 86,100   86,100   $ 55,800
Notes Issued by Securitization Trust     300,000    
Closed End Second Lien Loans Transferred into Securitization Trust     $ 119,200    
Residential loan securitization          
Securitization Transactions [Line Items]          
Percentage used to calculate servicing administrator fee     0.03%    
[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.
[2] Includes assets pledged as collateral to counterparties. See Note 14 for additional details on the Company's borrowings and related collateral.