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NONCONTROLLING INTERESTS - Operating Partnership Ownership (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2022
Operating Partnership Ownership |  |  |  |  |  |  |
OP Units outstanding which are not owned by the general partner (as a percent) | 0.60% |  |  |  |  |  | 0.60%
OP units outstanding (in shares) | 1,360,549 |  |  | 1,460,520 |  |  | 1,426,549
Adjustment for noncontrolling interests in the Operating Partnership | $ 9,035 | $ 2,134 | $ (8,588) | $ 3,990 | $ 13,349 | $ 10,356 |
CubeSmart, L.P. and Subsidiaries |  |  |  |  |  |  |
Operating Partnership Ownership |  |  |  |  |  |  |
Adjustment for noncontrolling interests in the Operating Partnership | $ 9,035 | $ 2,134 | $ (8,588) | $ 3,990 | $ 13,349 | $ 10,356 |

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- Definition Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Subparagraph 14 -Paragraph 3A -Section S99 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Subparagraph 15 -Paragraph 3A -Section S99 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 3A -Subparagraph 16(c) -SubTopic 10 -Topic 480 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A + Details
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