Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Other Liabilities [Abstract]
Payable for purchase of unsettled Agency MBS	$ 132,026	$ 0
Dividends and dividend equivalents payable	$ 35,769	$ 47,751
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Total Other Liabilities	Total Other Liabilities
Lease liability	$ 45,314	$ 44,977
Accrued interest payable	23,040	9,621
Accrued expenses and other	75,321	115,709
Total Other Liabilities	$ 311,470	$ 218,058