Condensed Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Interest income	$ 81,090	$ 48,871
Interest expense	(61,377)	(51,361)
Net interest income (expense)	19,713	(2,490)
Realized losses on mortgage-backed securities	(1,298)	0
Unrealized gains (losses) on mortgage-backed securities and U.S. Treasury securities	77,592	(61,895)
(Losses) gains on derivative and other hedging instruments	(74,659)	87,899
Net portfolio income	21,348	23,514
Management fees	2,747	2,161
Allocated overhead	608	598
Incentive compensation	(207)	(89)
Directors' fees and liability insurance	338	329
Audit, legal and other professional fees	393	476
Direct REIT operating expenses	227	170
Other administrative	120	93
Total expenses	4,226	3,738
Net income	17,122	19,776
Unrealized gains (losses) on U.S. Treasury securities measured at fair value through other comprehensive net income	250	(47)
Comprehensive net income	$ 17,372	$ 19,729
Basic and diluted net income per share (in dollars per share)	$ 0.18	$ 0.38
Weighted Average Shares Outstanding (in shares)	95,174,719	51,604,135