Repurchase Agreements (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	$ 6,563,120	$ 5,381,104
Weighted Average Rate	4.80%	5.59%
Fair Value of Collateral Pledged	$ 6,893,629	$ 5,880,747
Accrued interest payable	44,672	53,194
Residential Mortgage Backed Securities [Member] | Agency MBS
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	$ 6,368,457	$ 5,130,438
Weighted Average Rate	4.79%	5.59%
Fair Value of Collateral Pledged	$ 6,689,336	$ 5,613,212
Commercial Mortgage Backed Securities [Member] | Agency MBS
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	$ 90,717	$ 104,495
Weighted Average Rate	4.78%	5.60%
Fair Value of Collateral Pledged	$ 95,071	$ 113,753
Interest-Only-Strip [Member] | Agency MBS
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	$ 96,146	$ 120,979
Weighted Average Rate	5.18%	5.83%
Fair Value of Collateral Pledged	$ 101,165	$ 127,823
Interest-Only-Strip [Member] | Non-Agency MBS
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	$ 7,800	$ 25,192
Weighted Average Rate	5.52%	6.25%
Fair Value of Collateral Pledged	$ 8,057	$ 25,959