Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Interest income	$ 48,871	$ 38,012
Interest expense	(51,361)	(42,217)
Net interest expense	(2,490)	(4,205)
Unrealized (losses) gains on mortgage-backed securities and U.S. Treasury securities	(61,895)	53,895
Gains (losses) on derivative and other hedging instruments	87,899	(41,156)
Net portfolio income	23,514	8,534
Management fees	2,161	2,642
Allocated overhead	598	576
Incentive compensation	(89)	470
Directors' fees and liability insurance	329	323
Audit, legal and other professional fees	476	451
Direct REIT operating expenses	170	165
Other administrative	93	377
Total expenses	3,738	5,004
Net income	19,776	3,530
Unrealized losses on U.S. Treasury securities measured at fair value through other comprehensive net income	(47)	0
Comprehensive net income	$ 19,729	$ 3,530
Basic and diluted net income per share (in dollars per share)	$ 0.38	$ 0.09
Weighted Average Shares Outstanding (in shares)	51,604,135	38,491,767