Mortgage-Backed Securities - Realize Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investments [Line Items]
Debt Securities, Available-for-Sale, Realized Loss			$ (13,988)
Realized losses on sales of MBS - FVO	$ (1,506)	$ (74,916)	(75,079)
Realized loss on sales of investments, net	$ (1,506)	$ (74,916)	$ (89,067)