CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net interest income
Interest income	$ 818,250	$ 655,850
Interest expense	798,787	74,922
Net interest income	19,463	580,928
Net servicing income
Servicing and related income	84,273	34,715
Servicing and related expense	7,880	3,757
Net servicing income	76,393	30,958
Other income (loss)
Net gains (losses) on investments and other	1,712	(159,804)
Net gains (losses) on derivatives	(900,752)	1,642,028
Loan loss (provision) reversal	219	(608)
Business divestiture-related gains (losses)	0	(354)
Other, net	15,498	3,058
Total other income (loss)	(883,323)	1,484,320
General and administrative expenses
Compensation expense	29,391	33,002
Other general and administrative expenses	11,437	12,762
Total general and administrative expenses	40,828	45,764
Income (loss) before income taxes	(828,295)	2,050,442
Income taxes	11,033	26,548
Net income (loss)	(839,328)	2,023,894
Net income (loss) attributable to noncontrolling interests	4,928	1,639
Net income (loss) attributable to Annaly	(844,256)	2,022,255
Dividends on preferred stock	31,875	26,883
Net income (loss) available (related) to common stockholders	$ (876,131)	$ 1,995,372
Net income (loss) per share available (related) to common stockholders
Basic (in dollars per share)	$ (1.79)	$ 5.46
Diluted (in dollars per share)	$ (1.79)	$ 5.46
Weighted average number of common shares outstanding
Basic (in shares)	489,688,364	365,340,909
Diluted (in shares)	489,688,364	365,612,991
Other comprehensive income (loss)
Net income (loss)	$ (839,328)	$ 2,023,894
Unrealized gains (losses) on available-for-sale securities	675,374	(3,568,679)
Reclassification adjustment for net (gains) losses included in net income (loss)	482,908	144,787
Other comprehensive income (loss)	1,158,282	(3,423,892)
Comprehensive income (loss)	318,954	(1,399,998)
Comprehensive income (loss) attributable to noncontrolling interests	4,928	1,639
Comprehensive income (loss) attributable to Annaly	314,026	(1,401,637)
Dividends on preferred stock	31,875	26,883
Comprehensive income (loss) attributable to common stockholders	$ 282,151	$ (1,428,520)