v3.26.1
Investment in Loans Investment in Loans (Schedule of Corporate Loans) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2026
Jun. 30, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unpaid Principal Balance   $ 17,097,672 $ 16,000,731
Loans, at fair value(1)(2) [1],[2]   17,874,430 16,640,647
Unamortized Premium (Discount)   (264,552) (245,735)
Corporate loan [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unpaid Principal Balance   53,393 25,767
Loans, at fair value(1)(2)   52,575 25,366
Unamortized Premium (Discount)   (1,164) (912)
Investments, at fair value, Cost   52,229 24,855
Gains   543 511
Losses   (197) 0
Consumer loans      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unpaid Principal Balance   125 190
Loans, at fair value(1)(2)   108 159
Unamortized Premium (Discount)   149 148
Investments, at fair value, Cost   274 338
Gains   21 36
Losses   $ (187) $ (215)
Weighted Average      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Weighted Average Coupon   5.11% 5.21%
Weighted average life   5 years 5 years 3 months 10 days
Weighted Average | Corporate loan [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Weighted Average Coupon   10.70% 11.31%
Weighted average life 2 years 3 months 25 days 2 years 7 months 2 days  
Weighted Average | Consumer loans      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Weighted average life   10 months 20 days 10 months 20 days
[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.