Quarterly report [Sections 13 or 15(d)]

Available-for-Sale Securities, at Fair Value - AFS Investment Securities (Details)

v3.26.1
Available-for-Sale Securities, at Fair Value - AFS Investment Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]    
Total available-for-sale securities $ 6,507,381 $ 6,514,471
Federal National Mortgage Association    
Debt Securities, Available-for-sale [Line Items]    
Total available-for-sale securities 3,808,624 3,972,844
Federal Home Loan Mortgage Corporation    
Debt Securities, Available-for-sale [Line Items]    
Total available-for-sale securities 2,525,618 2,362,636
Government National Mortgage Association    
Debt Securities, Available-for-sale [Line Items]    
Total available-for-sale securities 169,990 175,732
Non-Agency    
Debt Securities, Available-for-sale [Line Items]    
Total available-for-sale securities $ 3,149 $ 3,259