v3.26.1
Repurchase Agreements (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]    
Repurchase agreements $ 22,644,742 $ 13,904,231
Weighted Average Rate 3.79% 4.10%
Fair Value of Collateral Pledged $ 23,669,753 $ 14,593,470
Accrued interest payable 135,194 95,196
Residential Mortgage Backed Securities [Member] | Agency MBS    
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]    
Repurchase agreements $ 21,361,037 $ 12,857,827
Weighted Average Rate 3.78% 4.09%
Fair Value of Collateral Pledged [1] $ 22,331,019 $ 13,496,489
Commercial Mortgage Backed Securities [Member] | Agency MBS    
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]    
Repurchase agreements $ 1,215,694 $ 967,024
Weighted Average Rate 3.79% 4.07%
Fair Value of Collateral Pledged [1] $ 1,267,413 $ 1,012,532
Interest-Only-Strip [Member] | Agency MBS    
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]    
Repurchase agreements $ 68,011 $ 77,057
Weighted Average Rate 4.17% 4.41%
Fair Value of Collateral Pledged [1] $ 71,321 $ 81,913
Interest-Only-Strip [Member] | Non-Agency MBS    
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]    
Repurchase agreements $ 0 $ 2,323
Weighted Average Rate 0.00% 4.72%
Fair Value of Collateral Pledged [1] $ 0 $ 2,536
[1]
(1) Amounts disclosed for fair value of collateral pledged include amounts pledged to cover margin calls, which may differ in collateral type from the initial collateral type pledged.