v3.26.1
Investment in Loans (Schedule of 90 Days or More Past Due) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 16,647,345 $ 16,000,731
Loans, at fair value(1)(2) [1],[2] 17,393,161 16,640,647
Residential mortgage loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 3,863,111 3,739,813
Loans, at fair value(1)(2) 3,748,165 3,643,094
Commercial mortgage loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 623,924 648,592
Loans, at fair value(1)(2) 623,196 640,712
Consumer loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 154 190
Loans, at fair value(1)(2) 135 159
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 244,701 276,604
Loans, at fair value(1)(2) 222,339 256,244
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 35,889 64,770
Loans, at fair value(1)(2) 35,168 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 9 15
Loans, at fair value(1)(2) $ 4 $ 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.