LOANS - Summary of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | ||||
| Interest income | $ 488,193 | $ 273,200 | $ 940,884 | $ 493,171 |
| Net income (loss) attributable to Annaly | 822,673 | 57,099 | 1,105,325 | 181,323 |
| Residential Mortgage Loans | ||||
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | ||||
| Interest income | 674,055 | 467,959 | 1,270,844 | 894,014 |
| Net gains (losses) on disposal of investments | (38,240) | (14,315) | (68,182) | (24,308) |
| Net unrealized gains (losses) on instruments measured at fair value through earnings | (142,407) | 94,051 | (127,988) | 334,881 |
| Net income (loss) attributable to Annaly | $ 493,408 | $ 547,695 | $ 1,074,674 | $ 1,204,587 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of interest income (expense) classified as operating. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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