v3.26.1
Basis of Presentation and Significant Accounting Policies (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Impairment of Investments [Abstract]          
Impairment of investments     $ 500    
Credit Loss [Abstract]          
Credit loss expense $ 2,300        
Allowance for Credit Losses          
Balance at beginning of period     0 $ 0 $ 0
Provision for expected credit losses     2,315   0
Write-offs charged against the allowance     0   0
Recoveries collected     0   0
Balance at end of period 2,315   2,315   0
Cash and Cash Equivalents and Restricted Cash [Abstract]          
Restricted cash 25,434 $ 9,953 25,434 9,953 7,523
Variation margin 33,900   33,900   34,300
Realized gain (loss) on RMBS, net [Abstract]          
Loss on RMBS, available-for-sale, measured at fair value through OCI [1] (498) 0 (498) (3,074)  
Gain on RMBS measured at fair value through earnings 9 0 9 0  
Loss on RMBS measured at fair value through earnings (558) (2,053) (558) (2,971)  
Realized loss on RMBS, net (1,047) $ (2,053) (1,047) $ (6,045)  
MSRs [Member]          
Investments in MSRs [Abstract]          
Reserve for unrecoverable advances 0   0   0
Derivatives [Member]          
Cash and Cash Equivalents and Restricted Cash [Abstract]          
Restricted cash 21,300   21,300   4,700
Repurchase Agreements [Member]          
Cash and Cash Equivalents and Restricted Cash [Abstract]          
Restricted cash 2,300   2,300   2,900
Receivables and Other Assets [Member] | RMBS [Member]          
Investments in RMBS [Abstract]          
Interest receivable $ 4,600   $ 4,600   $ 5,000
[1] Reclassified from accumulated other comprehensive income into earnings.