XML 58 R40.htm IDEA: XBRL DOCUMENT v3.23.1
Investments in Securities - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]      
Debt securities $ 12,084,711   $ 8,198,591
Realized gain (loss) on sale of available for sale Agency Securities (7,471) $ 0  
TBA Agency Securities      
Debt Securities, Available-for-sale [Line Items]      
Derivative assets (liabilities), net     (11,797)
TBA Agency Securities      
Debt Securities, Available-for-sale [Line Items]      
Trading securities     777,469
Agency Securities      
Debt Securities, Available-for-sale [Line Items]      
Trading securities 12,084,711   $ 8,198,591
Realized gain (loss) on sale of available for sale Agency Securities $ (7,471)