v3.26.1
Securitization Transactions Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Securitization Transactions [Line Items]      
Securities, at fair value(1)(2) [1],[2] $ 1,136,825   $ 1,034,882
Unpaid principal balance of HECM loans pooled into HMBS $ 360,600 $ 357,200  
Number of HMBS pools being serviced 1,062   1,028
Unpaid principal balance of loans in HMBS - Servicing $ 10,200,000   $ 9,900,000
HMBS buyouts $ 55,500 $ 31,600  
Debt Instrument, Interest Rate, Effective Rate 6.54%   6.70%
Investments in unconsolidated entities, at fair value(1) [1] $ 349,722   $ 312,421
Secured borrowing facility collateralized by HECM tail draws      
Securitization Transactions [Line Items]      
Debt Instrument, Interest Rate, Effective Rate 7.25%   7.25%
Co-Sponsored Securitization      
Securitization Transactions [Line Items]      
Securities, at fair value(1)(2) $ 148,400   $ 161,200
Non-QM loan securitization, not consolidated      
Securitization Transactions [Line Items]      
Securities, at fair value(1)(2) 232,700   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) $ 91,000   69,100
Proprietary Reverse Mortgage Loan Securitization      
Securitization Transactions [Line Items]      
Percentage used to calculate servicing administrator fee 0.03%    
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 $ 84,500   $ 55,800
[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.