NET INCOME (LOSS) PER COMMON SHARE - Schedule of Net Income (Loss) per Share Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Earnings Per Share [Abstract] | ||||
| Net income (loss) | $ 827,773 | $ 60,371 | $ 1,118,288 | $ 190,676 |
| Net income (loss) attributable to noncontrolling interests | 5,100 | 3,272 | 12,963 | 9,353 |
| Net income (loss) attributable to Annaly | 822,673 | 57,099 | 1,105,325 | 181,323 |
| Dividends on preferred stock | 41,036 | 37,260 | 81,688 | 74,417 |
| Net income (loss) available (related) to common stockholders | $ 781,637 | $ 19,839 | $ 1,023,637 | $ 106,906 |
| Weighted average shares of common stock outstanding-basic (in shares) | 738,926,270 | 620,208,712 | 730,798,630 | 603,770,531 |
| Add: Effect of stock awards, if dilutive (in shares) | 1,329,977 | 894,506 | 1,519,091 | 1,111,764 |
| Weighted average shares of common stock outstanding-diluted (in shares) | 740,256,247 | 621,103,218 | 732,317,721 | 604,882,295 |
| Net income (loss) per share available (related) to common share | ||||
| Basic (in dollars per share) | $ 1.06 | $ 0.03 | $ 1.40 | $ 0.18 |
| Diluted (in dollars per share) | $ 1.06 | $ 0.03 | $ 1.40 | $ 0.18 |
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- Definition Earnings Per Share, Basic and Diluted1 No definition available.
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate value of preferred stock dividends and other adjustments necessary to derive net income apportioned to common stockholders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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