v3.26.1
Valuation (Fair Value of Other Financial Instruments) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Fair Value            
Assets:            
Cash and cash equivalents $ 247,473   $ 247,473   $ 201,893  
Restricted cash 42,373   42,373   136,297  
Due from brokers 59,396   59,396   35,919  
Reverse repurchase agreements 577,691   577,691   453,037  
Liabilities:            
Repurchase agreements(1) 3,064,277   3,064,277   2,655,444  
Other secured borrowings(1) 256,988   256,988   296,398  
Due to brokers 59,791   59,791   48,104  
Carrying Value            
Assets:            
Cash and cash equivalents 247,473   247,473   201,893  
Restricted cash 42,373   42,373   136,297  
Due from brokers 59,396   59,396   35,919  
Reverse repurchase agreements 577,691   577,691   453,037  
Liabilities:            
Repurchase agreements(1) 3,064,277   3,064,277   2,655,444  
Other secured borrowings(1) 256,988   256,988   296,398  
Due to brokers 59,791   59,791   48,104  
Cash and cash equivalents 247,473 [1] $ 211,013 [1] 247,473 [1] $ 211,013 [1] 201,893 [1] $ 192,387
Restricted cash 42,400   42,400   136,300  
Due from brokers 59,396   59,396   35,919  
Repurchase agreements(1) [1] 3,064,277   3,064,277   2,655,444  
Other secured borrowings(1) [1] 256,988   256,988   296,398  
Due to brokers 59,791   59,791   $ 48,104  
Level 3            
Liabilities:            
Assets, Transfers out of Level 3 (7,877) (38,386) (35,438) (40,839)    
Assets, Transfers into Level 3 $ 29,901 $ 7,981 $ 44,842 $ 19,154    
[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.