INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - Schedule of Condensed Operating Information (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Related Party Transaction [Line Items] | ||
| Total revenue | $ 185,401 | $ 188,354 |
| Property operating expenses | (52,034) | (55,104) |
| Depreciation and amortization | (46,140) | (48,116) |
| Interest expense | (39,257) | (40,475) |
| Non-operating (expense) | (302) | 360 |
| Net income attributable to National Storage Affiliates Trust | 17,780 | 12,994 |
| Joint Venture | Equity Method Investment, Nonconsolidated Investee or Group of Investees | ||
| Related Party Transaction [Line Items] | ||
| Total revenue | 63,097 | 61,624 |
| Property operating expenses | (21,539) | (22,416) |
| Supervisory, administrative and other expenses | (4,221) | (4,041) |
| Depreciation and amortization | (19,612) | (21,644) |
| Interest expense | (13,647) | (13,645) |
| Non-operating (expense) | (97) | (150) |
| Net income attributable to National Storage Affiliates Trust | $ 3,981 | $ (272) |
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- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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/exampleRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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 Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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