Mortgage-Backed Securities - Realize Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Investments [Line Items]
Realized losses on sales of MBS - FVO	$ (1,506)	$ (51,601)	$ (1,506)	$ (74,916)
Realized loss on sales of investments, net	$ (1,506)	$ (51,601)	$ (1,506)	$ (74,916)