v3.26.1
Investment in Loans (Schedule of 90 Days or More Past Due) (Details) - USD ($)
$ in Thousands
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
Residential mortgage loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 3,674,683 3,739,813
Loans, at fair value(1)(2) 3,559,269 3,643,094
Commercial mortgage loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 680,967 648,592
Loans, at fair value(1)(2) 675,066 640,712
Consumer loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 125 190
Loans, at fair value(1)(2) 108 159
Non-accrual status [Member] | Residential mortgage loans | 90 Days or More Past Due [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 242,107 276,604
Loans, at fair value(1)(2) 219,677 256,244
Non-accrual status [Member] | Commercial mortgage loans | 90 Days or More Past Due [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 58,306 64,770
Loans, at fair value(1)(2) 53,339 64,050
Non-accrual status [Member] | Consumer loans | 90 Days or More Past Due [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 6 15
Loans, at fair value(1)(2) $ 3 $ 7
[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.