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Mortgage-Backed Securities - Narrative (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]    
Gross unrealized loss $ 129,863 $ 142,067
Non-Agency RMBS    
Debt Securities, Available-for-sale [Line Items]    
Gross unrealized loss $ 14,000 $ 15,000