CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Net interest income
Interest income		$ 1,532,497	$ 1,229,341	$ 4,268,498	$ 3,501,154
Interest expense		1,256,747	1,215,940	3,499,577	3,440,646
Net interest income		275,750	13,401	768,921	60,508
Net servicing income
Servicing and related income		141,356	122,583	423,461	358,182
Servicing and related expense		15,104	12,988	43,788	37,821
Net servicing income		126,252	109,595	379,673	320,361
Other income (loss)
Net gains (losses) on investments and other		561,927	1,723,713	1,456,242	160,841
Net gains (losses) on derivatives		(92,308)	(1,754,010)	(1,458,960)	53,621
Other, net		13,959	27,438	37,169	75,596
Total other income (loss)		483,578	(2,859)	34,451	290,058
General and administrative expenses
Compensation expense		38,393	34,453	112,273	96,448
Other general and administrative expenses		11,947	9,468	36,149	30,934
Total general and administrative expenses		50,340	43,921	148,422	127,382
Income (loss) before income taxes		835,240	76,216	1,034,623	543,545
Income taxes		(7,823)	(6,135)	884	4,853
Net income (loss)		843,063	82,351	1,033,739	538,692
Net income (loss) attributable to noncontrolling interests		10,618	15,906	19,971	18,838
Net income (loss) attributable to Annaly		832,445	66,445	1,013,768	519,854
Dividends on preferred stock	[1]	41,127	41,628	115,544	115,847
Net income (loss) available (related) to common stockholders		$ 791,318	$ 24,817	$ 898,224	$ 404,007
Net income (loss) per share available (related) to common stockholders
Basic (in dollars per share)		$ 1.21	$ 0.05	$ 1.45	$ 0.80
Diluted (in dollars per share)		$ 1.20	$ 0.05	$ 1.44	$ 0.80
Weighted average number of common shares outstanding
Basic (in shares)		656,335,974	515,729,658	621,484,893	505,800,723
Diluted (in shares)		657,856,427	516,832,152	622,768,481	506,618,143
Other comprehensive income (loss)
Net income (loss)		$ 843,063	$ 82,351	$ 1,033,739	$ 538,692
Unrealized gains (losses) on available-for-sale securities		113,281	428,955	311,717	92,843
Reclassification adjustment for net (gains) losses included in net income (loss)		2,378	15,769	81,578	530,354
Other comprehensive income (loss)		115,659	444,724	393,295	623,197
Comprehensive income (loss)		958,722	527,075	1,427,034	1,161,889
Comprehensive income (loss) attributable to noncontrolling interests		10,618	15,906	19,971	18,838
Comprehensive income (loss) attributable to Annaly		948,104	511,169	1,407,063	1,143,051
Comprehensive income (loss) attributable to common stockholders		$ 906,977	$ 469,541	$ 1,291,519	$ 1,027,204

[1] (1) The three and nine months ended September 30, 2025 include cumulative and undeclared dividends of $3.7 million on the Company's 8.875% Series J Fixed-Rate Cumulative Redeemable Preferred Stock (the “Series J Preferred Stock”) as of September 30, 2025.