ORGANIZATION AND NATURE OF OPERATIONS (Details)	3 Months Ended
Mar. 31, 2022 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

No definition available.

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599

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- Definition

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

+ References

No definition available.

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