CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Net interest income
Interest income	$ 1,317,108	$ 1,094,488
Interest expense	1,097,137	1,100,939
Net interest income	219,971	(6,451)
Net servicing income
Servicing and related income	140,435	115,084
Servicing and related expense	14,113	12,216
Net servicing income	126,322	102,868
Other income (loss)
Net gains (losses) on investments and other	810,812	(994,127)
Net gains (losses) on derivatives	(977,867)	1,377,144
Other, net	7,398	23,367
Total other income (loss)	(159,657)	406,384
General and administrative expenses
Compensation expense	37,297	28,721
Other general and administrative expenses	10,767	9,849
Total general and administrative expenses	48,064	38,570
Income (loss) before income taxes	138,572	464,231
Income taxes	8,267	(943)
Net income (loss)	130,305	465,174
Net income (loss) attributable to noncontrolling interests	6,081	2,282
Net income (loss) attributable to Annaly	124,224	462,892
Dividends on preferred stock	37,157	37,061
Net income (loss) available (related) to common stockholders	$ 87,067	$ 425,831
Net income (loss) per share available (related) to common stockholders
Basic (in dollars per share)	$ 0.15	$ 0.85
Diluted (in dollars per share)	$ 0.15	$ 0.85
Weighted average number of common shares outstanding
Basic (in shares)	587,149,704	500,612,840
Diluted (in shares)	588,420,998	501,182,043
Other comprehensive income (loss)
Net income (loss)	$ 130,305	$ 465,174
Unrealized gains (losses) on available-for-sale securities	164,877	(281,869)
Reclassification adjustment for net (gains) losses included in net income (loss)	65,403	335,351
Other comprehensive income (loss)	230,280	53,482
Comprehensive income (loss)	360,585	518,656
Comprehensive income (loss) attributable to noncontrolling interests	6,081	2,282
Comprehensive income (loss) attributable to Annaly	354,504	516,374
Dividends on preferred stock	37,157	37,061
Comprehensive income (loss) attributable to common stockholders	$ 317,347	$ 479,313