XML 90 R64.htm IDEA: XBRL DOCUMENT
v2.4.1.9

NONCONTROLLING INTERESTS (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Operating Partnership Ownership |  |  |
Increase to OP units owned by third parties and a corresponding decrease to capital | $ 14,761us-gaap_MinorityInterestChangeInRedemptionValue | $ 3,292us-gaap_MinorityInterestChangeInRedemptionValue | $ 19,520us-gaap_MinorityInterestChangeInRedemptionValue
CubeSmart, L.P. and Subsidiaries |  |  |
Operating Partnership Ownership |  |  |
OP Units outstanding which are not owned by the general partner (as a percent) | 1.40%cube_PercentageOfOwnershipInterestOfOperatingPartnershipNotOwnedByGeneralPartner / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 1.60%cube_PercentageOfOwnershipInterestOfOperatingPartnershipNotOwnedByGeneralPartner / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Number of trading days used to determine average of the closing prices of the common shares | 10 days |  |
OP units outstanding (in shares) | 2,257,486us-gaap_UnitsOfPartnershipInterestAmount / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 2,275,730us-gaap_UnitsOfPartnershipInterestAmount / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Increase to OP units owned by third parties and a corresponding decrease to capital | $ 14,761us-gaap_MinorityInterestChangeInRedemptionValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 3,292us-gaap_MinorityInterestChangeInRedemptionValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 19,520us-gaap_MinorityInterestChangeInRedemptionValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember

X
- Definition Represents the percentage of ownership in operating partnership not owned by the general partner. + References No definition available. + Details
Name: | cube_PercentageOfOwnershipInterestOfOperatingPartnershipNotOwnedByGeneralPartner
Namespace Prefix: | cube_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of trading days used to determine average of the closing prices of the common shares for evaluation of the cash redemption amount. + References No definition available. + Details
Name: | cube_PriceOfCommonSharesTakenForEvaluatingCashRedemptionAmountNumberOfTradingDays
Namespace Prefix: | cube_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest. + References No definition available. + Details
Name: | us-gaap_MinorityInterestChangeInRedemptionValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_MinorityInterestLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of units or equivalent units outstanding for all classes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
Name: | us-gaap_UnitsOfPartnershipInterestAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=us-gaap_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |