ORGANIZATION AND NATURE OF OPERATIONS (Details)	9 Months Ended
Sep. 30, 2023 segment state
Number of states in which self-storage facilities are located \| state	24
Number of reportable segments \| segment	1
Common stock, conversion ratio	1
Cubesmart
Percentage of the entity's partnership interest in Operating Partnership	99.40%

The shares of common stock into which another convertible security can be converted, or shares of common stock into which another class of common stock can be converted.

No definition available.

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

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- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

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