Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Tax Disclosure [Abstract]
GAAP net loss	$ (75,608)	$ (48,350)	$ (48,276)	$ (33,834)
Book to tax differences:
TRS (income) loss	(124)	58	(194)	99
Agency Securities	(16,545)	112,870	(224,802)	250,619
U.S. Treasury Securities	2,887	(19,149)	15,793	(30,071)
Changes in interest rate contracts	155,882	9,444	389,905	(88,293)
Amortization of deferred hedging costs	(17,361)	(20,935)	(33,695)	(42,313)
Amortization of deferred Treasury Future gains	2,490	4,728	5,577	9,325
Other	15	539	129	1,182
Estimated REIT taxable income	$ 51,636	$ 39,205	$ 104,437	$ 66,714

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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