CUBE


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
dei:LegalEntity

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
dei:LegalEntity

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTax
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity

us-gaap:CostOfGoodsAndServicesSold
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:CostOfRevenue
dei:LegalEntity

us-gaap:CostsAndExpenses
dei:LegalEntity
dei:LegalEntity
us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GeneralAndAdministrativeExpense
dei:LegalEntity

us-gaap:InterestPaidNet
dei:LegalEntity

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:OtherComprehensiveIncomeLossNetOfTax
dei:LegalEntity

us-gaap:OtherNonoperatingIncomeExpense
dei:LegalEntity

us-gaap:ProfitLoss
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
dei:LegalEntity, us-gaap:ProductOrService
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService

us-gaap:Revenues
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:Assets
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:Liabilities
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName

us-gaap:LiabilitiesAndStockholdersEquity
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:StockholdersEquity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AmortizationOfIntangibleAssets
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets
dei:LegalEntity
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:LongTermDebt
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:DebtAndCapitalLeaseObligations
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:MinorityInterest
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
dei:LegalEntity

us-gaap:MinorityInterest
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerCapitalComponents
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
dei:LegalEntity

us-gaap:AmortizationOfFinancingCosts
dei:LegalEntity

us-gaap:DepreciationDepletionAndAmortization
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:ProfitLoss
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:ShareBasedCompensation
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:PaymentsToAcquireRealEstate
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:PaymentsOfDividendsCommonStock
dei:LegalEntity
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:CounterpartyName, us-gaap:VariableInterestEntitiesByClassificationOfEntity
cube:AccretionLiability

cube:AccretionOfLiability
dei:LegalEntity

cube:AdjustmentsToAdditionalPaidInCapitalAmortizationOfRestrictedStock
us-gaap:StatementEquityComponents

cube:ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingRedeemableNoncontrollingInterest
dei:LegalEntity

cube:ComprehensiveIncomeNetOfTaxAttributableToRedeemableNoncontrollingInterest
dei:LegalEntity
us-gaap:Range, us-gaap:DebtInstrument
cube:DebtInstrumentCovenantConsolidatedInterestCoverageRatio
us-gaap:Range, us-gaap:DebtInstrument
cube:DebtInstrumentCovenantConsolidatedLeverageRatio
us-gaap:Range, us-gaap:DebtInstrument
cube:DebtInstrumentCovenantConsolidatedSecuredLeverageRatio
us-gaap:Range, us-gaap:DebtInstrument
cube:DebtInstrumentCovenantFixedChargeCoverageRatio
us-gaap:Range, us-gaap:DebtInstrument
cube:DebtInstrumentCovenantTotalIndebtednessToTotalAssetValueRatio
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
cube:DebtInstrumentDenominatorForRedemptionPriceAmount
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
cube:DebtInstrumentRedemptionPriceRatePerThousandDollars

cube:DepreciationDepletionAndAmortizationCashFlowImpact
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
cube:EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
cube:EquityMethodInvestmentSummarizedFinancialInformationInterestIncomeExpenseNet
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
cube:EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
cube:EquityMethodInvestmentSummarizedFinancialInformationOtherExpenses

cube:FairValueAdjustmentOfDebt
dei:LegalEntity

cube:FinanceLeaseNonCashPortionOfInterestExpense
dei:LegalEntity
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType
cube:IncreaseDecreaseInOperatingLeaseLiability
us-gaap:StatementGeographical
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType
cube:IncreaseDecreaseInRightOfUseAssetOperatingLease
us-gaap:StatementGeographical
dei:LegalEntity
cube:NetIncomeLossAttributableToParentIncludingNoncontrollingInterestInOperatingPartnership

cube:NoncashOrPartNoncashAcquisitionIssuanceOfOPUnits
dei:LegalEntity

cube:OperatingLeaseAndFinanceLeasePayments
us-gaap:CounterpartyName, us-gaap:VariableInterestEntitiesByClassificationOfEntity
cube:OptionToCallOwnershipInterestOfAnother
us-gaap:CounterpartyName, us-gaap:VariableInterestEntitiesByClassificationOfEntity
cube:OptionToPutOwnershipInterestInVenture
cube:TemporaryEquity
cube:OtherComprehensiveIncomeLossNetOfTaxAttributableToTemporaryEquity
cube:TemporaryEquity, dei:LegalEntity

cube:OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity
cube:TemporaryEquity
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerCapitalComponents
us-gaap:StatementEquityComponents

cube:OtherComprehensiveIncomeLossReclassificationAdjustmentOnInterestRateSwapAgreementsIncludedInNetIncomeNetOfTax
dei:LegalEntity

cube:OtherNonoperatingIncomeExpenseNet
dei:LegalEntity
dei:LegalEntity
cube:PartnersCapitalAccountAmortizationOfRestrictedUnits
dei:LegalEntity, us-gaap:PartnerCapitalComponents
dei:LegalEntity, us-gaap:PartnerCapitalComponents
cube:PartnersCapitalAccountOptionUnitExercise
dei:LegalEntity, us-gaap:PartnerCapitalComponents
cube:PartnersCapitalAccountRestrictedUnitsUnitIssued

cube:PaymentsForAdditionsAndImprovementsToRealEstate
dei:LegalEntity

cube:PaymentsOfMortgageLoansAndNotesPayable
dei:LegalEntity
us-gaap:StatementGeographical
cube:PaymentsToAcquireNoncontrollingInterests

cube:PaymentsToMinorityShareholdersInOperatingPartnership
dei:LegalEntity
cube:PrepaymentPenaltyOnEarlyExtinguishmentOfDebt
dei:LegalEntity
cube:ProceedsFromIssuanceOfGeneralPartnersUnits
dei:LegalEntity
cube:ProceedsFromUnitOptionsExercised
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType
cube:RealEstatePropertyAcquisitionLandSubjectToGroundLease
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty
cube:RelatedPartyTransactionAcquisitionFees
us-gaap:RelatedPartyTransactionsByRelatedParty
cube:RelatedPartyTransactionManagementFees
cube:TemporaryEquity
cube:StockIssuedDuringPeriodOperatingUnits
cube:TemporaryEquity, dei:LegalEntity
us-gaap:StatementGeographical, us-gaap:SubsequentEventType
cube:ScheduleOfRealEstateInvestmentProperty
us-gaap:BusinessCombinationConsiderationTransferred1
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:Ownership
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:SubsequentEventType
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred

us-gaap:DistributionsPayableToRealEstatePartnerships
dei:LegalEntity

us-gaap:DividendsCommonStock
cube:TemporaryEquity
us-gaap:StatementEquityComponents
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRevenue
us-gaap:DebtInstrument
us-gaap:ExtinguishmentOfDebtAmount
us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestPaymentOnLiability
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:GainLossOnSaleOfProperties
us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType
dei:LegalEntity
us-gaap:IncomeLossAttributableToParent

us-gaap:IncomeLossFromEquityMethodInvestments
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
dei:LegalEntity
us-gaap:IncomeLossIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherOperatingAssets
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities
dei:LegalEntity

us-gaap:InterestExpenseDebtExcludingAmortization
dei:LegalEntity

us-gaap:LeaseCost
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityCommitmentFeePercentage

us-gaap:MinorityInterestChangeInRedemptionValue
cube:TemporaryEquity
cube:TemporaryEquity, dei:LegalEntity
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerCapitalComponents
us-gaap:StatementEquityComponents
dei:LegalEntity
us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerCapitalComponents
us-gaap:StatementEquityComponents
dei:LegalEntity
us-gaap:NetIncomeLossPerOutstandingGeneralPartnershipUnitNetOfTax

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable
dei:LegalEntity

us-gaap:NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerCapitalComponents
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseLeaseIncome
dei:LegalEntity

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
dei:LegalEntity
dei:LegalEntity
us-gaap:PartnersCapitalAccountContributions
dei:LegalEntity, us-gaap:PartnerCapitalComponents
cube:TemporaryEquity, dei:LegalEntity
us-gaap:PartnersCapitalAccountDistributions
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerCapitalComponents
cube:TemporaryEquity, dei:LegalEntity
us-gaap:PartnersCapitalAccountExchangesAndConversions
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerCapitalComponents
dei:LegalEntity
us-gaap:PartnersCapitalAccountOptionExercise
dei:LegalEntity, us-gaap:PartnerCapitalComponents
dei:LegalEntity
us-gaap:PartnersCapitalAccountRedemptions
dei:LegalEntity, us-gaap:PartnerCapitalComponents
dei:LegalEntity
us-gaap:PartnersCapitalAccountUnitBasedCompensation
dei:LegalEntity, us-gaap:PartnerCapitalComponents
dei:LegalEntity, us-gaap:PartnerCapitalComponents
us-gaap:PartnersCapitalAccountUnitsContributed
dei:LegalEntity, us-gaap:PartnerCapitalComponents
us-gaap:PartnersCapitalAccountUnitsConverted

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
dei:LegalEntity
us-gaap:StatementGeographical
us-gaap:PaymentsToAcquireBusinessesGross
us-gaap:StatementGeographical, us-gaap:SubsequentEventType

us-gaap:PaymentsToDevelopRealEstateAssets
dei:LegalEntity

us-gaap:PaymentsToMinorityShareholders
dei:LegalEntity
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromDistributionsReceivedFromRealEstatePartnerships
dei:LegalEntity
us-gaap:ProceedsFromDivestitureOfRealEstatePartnership

us-gaap:ProceedsFromIssuanceOfCommonStock
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromLinesOfCredit
dei:LegalEntity
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ProceedsFromStockOptionsExercised
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:RepaymentsOfDebt
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RepaymentsOfLinesOfCredit
dei:LegalEntity

us-gaap:ShortTermLeaseCost
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits
cube:TemporaryEquity
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents
cube:TemporaryEquity
us-gaap:TemporaryEquityNetIncome
cube:TemporaryEquity, dei:LegalEntity
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:Ownership
us-gaap:TemporaryEquityStockIssuedDuringPeriodValueNewIssues
us-gaap:BusinessAcquisition
us-gaap:StatementGeographical
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:Ownership
us-gaap:VariableInterestEntityOwnershipPercentage
us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:WeightedAverageNumberOfSharesRestrictedStock
dei:LegalEntity
dei:LegalEntity
us-gaap:WriteOffOfDeferredDebtIssuanceCost

cube:CommitmentsAndContingenciesFutureMilestonePayments
cube:ScheduleOfRealEstateInvestmentProperty
cube:ConstructionCostExpected
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
cube:ContributionToRealEstateVenture
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
cube:DebtInstrumentPercentOfPrincipalAmountIssued
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
cube:EquityMethodInvestmentSummarizedFinancialInformationOtherAssets
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
cube:EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
cube:EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyNet
us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
cube:MortgageLoansOnRealEstateLoanCommitmentAmount
us-gaap:CounterpartyName
us-gaap:CounterpartyName, us-gaap:VariableInterestEntitiesByClassificationOfEntity

cube:PercentageOfOwnershipInterestOfOperatingPartnershipNotOwnedByGeneralPartner

cube:RealEstateAggregateCostForFederalIncomeTaxPurposes
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
cube:RealEstatePropertiesAcquiredIntangibleLeaseAssets
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType
cube:RealEstatePropertiesDebtAssumedOnAcquisition
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType
cube:RealEstatePropertiesPremiumOnDebtAssumed

cube:RealEstateSecurityDepositLiability
dei:LegalEntity
us-gaap:AwardType
cube:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableAggregateIntrinsicValue
cube:ScheduleOfRealEstateInvestmentProperty
cube:SignificantAcquisitionsAndDisposalsExpectedAcquisitionCostsOrSaleProceeds
us-gaap:StatementClassOfStock, us-gaap:TypeOfArrangement
cube:StockRemainedAvailableForIssuance

cube:TaxBasisOfRealEstateAssets

cube:UnsecuredSeniorNotesNet
dei:LegalEntity
us-gaap:DebtInstrument
dei:LegalEntity, us-gaap:DebtInstrument
srt:MortgageLoansOnRealEstateFaceAmountOfMortgages
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:DebtInstrument
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty
srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
dei:LegalEntity

us-gaap:AccountsReceivableNet

us-gaap:AccumulatedAmortizationDeferredFinanceCosts

us-gaap:AssetsHeldInTrust
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
us-gaap:StatementGeographical, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument
us-gaap:LongtermDebtType
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentCollateralAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:LongtermDebtType
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet
us-gaap:LongtermDebtType
us-gaap:DebtInstrument
us-gaap:DebtWeightedAverageInterestRate
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredFinanceCostsNet
dei:LegalEntity
us-gaap:DebtInstrument
us-gaap:LongtermDebtType

us-gaap:DeferredRevenue
dei:LegalEntity

us-gaap:DeferredTaxAssetsTaxDeferredExpense
cube:ScheduleOfRealEstateInvestmentProperty
us-gaap:DepositAssets
cube:ScheduleOfRealEstateInvestmentProperty
us-gaap:DevelopmentInProcess
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:DividendsPayableCurrentAndNoncurrent
dei:LegalEntity

us-gaap:DueFromAffiliates
us-gaap:Range, us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:DueFromJointVenturesNoncurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DueFromRelatedParties
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
dei:LegalEntity
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationAssets
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest

us-gaap:EquityMethodInvestments
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:FinanceLeaseLiability
dei:LegalEntity

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
dei:LegalEntity
us-gaap:GeneralPartnersCapitalAccount

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:LongtermDebtType

us-gaap:LineOfCredit
dei:LegalEntity
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners
cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent
us-gaap:Ownership
us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
us-gaap:MortgageLoansOnRealEstate
us-gaap:CounterpartyName
us-gaap:CounterpartyName, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:NotesAndLoansPayable
dei:LegalEntity
us-gaap:LongtermDebtType

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAssetsMiscellaneous
dei:LegalEntity
us-gaap:PartnersCapital
dei:LegalEntity
us-gaap:PartnersCapitalAccountDistributionPerUnitOfLimitedPartnerInterest
dei:LegalEntity, us-gaap:PartnerCapitalComponents
us-gaap:PartnersCapitalAccountUnits
dei:LegalEntity
us-gaap:PartnersCapitalAttributableToNoncontrollingInterest
dei:LegalEntity
us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity, us-gaap:PartnerCapitalComponents

us-gaap:PrepaidInsurance

us-gaap:PrepaidTaxes

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation
dei:LegalEntity

us-gaap:RealEstateInvestmentPropertyAtCost
cube:ScheduleOfRealEstateInvestmentProperty
dei:LegalEntity

us-gaap:RealEstateInvestmentPropertyNet
dei:LegalEntity
dei:LegalEntity, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:LongtermDebtType
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
cube:TemporaryEquity
cube:TemporaryEquity, dei:LegalEntity
dei:LegalEntity

us-gaap:RestrictedCashAndCashEquivalents
dei:LegalEntity
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
Liabilities
Operating Lease Liability
Stockholders Equity
Retained Earnings Accumulated Deficit
Per Share
Earnings Per Share Diluted
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
Shares
Weighted Average Number Of Shares Outstanding Basic
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:CommonStockValue █▇▆▅▅▅▅▅▄▃▃▂▂▁2.0182.0041.9741.9371.9371.9361.9361.9361.9161.8811.8711.8631.8591.823
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock██████▁███▁▇▇▇201.769200.422197.406193.748193.729193.5870.193557193.554191.626188.1370.187145186.304185.877182.28
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁202.809200.233NA194.539194.192194.264NA193.817190.543187.984NA186.916184.523183.222
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁201.414199.16NA193.745193.629193.582NA192.927189.667187.253NA186.074183.718182.274
us-gaap:EarningsPerShareBasic ▆▃▃▆▂▂▄▄█▁█▅▃▁0.240.210.209999999999999960.240.20.20.220.220.260.190.260.230.210.19
us-gaap:EarningsPerShareDiluted ▆▃▄▆▂▂▄▄█▁█▅▃▁0.240.210.219999999999999970.240.20.20.220.220.260.190.260.230.210.19
 us-gaap:EarningsPerShareDiluted dei:LegalEntity cube:CubesmartLPAndSubsidiaries▆▃▄▆▂▂▃▄█▁▇▅▃▁0.240.210.219999999999999970.240.20.20.209999999999999960.220.260.190.250.230.210.19
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
 Cost Ratio dei:LegalEntity cube:CubesmartLPAndSubsidiaries█▇▅▅▄▄▄▄▃▂▂▂▂▁199.247188.841178.787172.511163.798164.081165.506166.547159.017152.845153.882153.37147.815142.877
 Cost Ratio dei:LegalEntity cube:CubesmartLPAndSubsidiaries█▇▅▅▄▄▄▄▃▂▂▂▂▁199.247188.841178.787172.511163.798164.081165.506166.547159.017152.845153.882153.37147.815142.877
 Net profit Margin dei:LegalEntity cube:CubesmartLPAndSubsidiaries█▇▅▅▄▄▄▄▃▂▂▂▂▁199.247188.841178.787172.511163.798164.081165.506166.547159.017152.845153.882153.37147.815142.877
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:ComprehensiveIncomeNetOfTax █▄▅▇▃▃▄▅█▁▇▅▃▁48.77141.75142.36646.91138.52537.91642.06542.17449.4435.73847.12742.938.1334.702
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest █▅▅▇▃▂▄▄█▁▇▅▃▁50.38643.33542.97947.42438.95238.33742.5342.61749.89836.02847.59743.30238.47235.078
us-gaap:CostOfGoodsAndServicesSold █▇▄▅▄▄▄▃▂▂▂▁▁▁63.75161.22855.44857.10155.34555.7454.72953.46550.1251.42549.82948.75549.52848.754
us-gaap:CostOfRevenue █▇▄▅▄▄▄▃▂▂▂▁▁▁63.75161.22855.44857.10155.34555.7454.72953.46550.1251.42549.82948.75549.52848.754
us-gaap:CostsAndExpenses █▇▃▃▃▄▃▄▃▂▂▁▁▁129.45125.954104.528105.378104.781106.943105.394106.855100.58399.01498.77593.77492.91592.464
 us-gaap:GainsLossesOnExtinguishmentOfDebt dei:LegalEntity cube:CubesmartLPAndSubsidiariesNANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense █▇▇▅▄▅▄▅▄▃▆▄▁▂11.5610.91611.32210.1939.54310.3659.60210.0119.89.14710.8479.788.3418.744
us-gaap:InterestPaidNet ▂▇▃█▁▇▂▅▂▂▃▂▃▂15.2923.53417.85525.21114.07423.65216.10720.95616.30215.91818.03515.69317.80315.298
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic █▄▅▇▃▃▅▅█▂▇▅▃▁48.75241.73242.32946.89138.50537.89642.04542.15449.4235.49848.15642.938.4134.423
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▁▁▁▁▁▁▁▁▁█0.020.020.0210.020.020.020.020.020.020.242NANA-0.2790.279
us-gaap:OtherNonoperatingIncomeExpense ▄▅▁▃▁▅▃█▂▂▂▂▃▄0.3770.677-0.4480.045-0.4560.6190.1121.647-0.178-0.165-0.054-0.2330.1890.304
us-gaap:ProfitLoss █▅▅▇▃▃▄▅█▁▇▅▃▁50.36643.31542.95847.40438.93238.31742.5142.59749.87835.78648.63643.30238.75134.799
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax dei:LegalEntity,us-gaap:ProductOrService cube:CubesmartLPAndSubsidiaries,us-gaap:ManagementService█▇▇▇▆▅▄▅▄▃▃▃▂▁7.677.0617.3717.0886.7926.1946.0216.2866.0685.5785.4595.44.9254.469
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax dei:LegalEntity,us-gaap:ProductOrService cube:CubesmartLPAndSubsidiaries,us-gaap:RealEstateOther█▆▅▆▃▄▄▅▄▂▂▂▂▁21.21819.30418.38318.91616.52216.90216.90718.05416.92215.67515.36815.49415.04714.247
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:ManagementService█▇▇▇▆▅▄▅▄▃▃▃▂▁7.677.0617.3717.0886.7926.1946.0216.2866.0685.5785.4595.44.9254.469
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:RealEstateOther█▆▅▆▃▄▄▅▄▂▂▂▂▁21.21819.30418.38318.91616.52216.90216.90718.05416.92215.67515.36815.49415.04714.247
us-gaap:Revenues █▇▅▅▄▄▄▄▃▂▂▂▂▁199.247188.841178.787172.511163.798164.081165.506166.547159.017152.845153.882153.37147.815142.877
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:Assets ███▄▄▄▄▃▃▂▂▁▁▁4771.2324754.4784778.1424028.574024.344002.7624029.5453950.333947.4693814.1893752.9723640.053584.763565.534
us-gaap:Liabilities ▇▇█▄▄▄▄▃▃▃▂▁▁▂2573.7822589.632687.882214.5912204.2162158.6272160.1212063.5842105.0982045.2151980.7041879.5821826.811890.5
us-gaap:LiabilitiesAndStockholdersEquity ███▄▄▄▄▃▃▂▂▁▁▁4771.2324754.4784778.1424028.574024.344002.7624029.5453950.333947.4693814.1893752.9723640.053584.763565.534
us-gaap:StockholdersEquity ▇█▇▄▅▆▆▆▅▃▄▃▃▁1846.5241877.6021832.2161736.4621760.7521782.3211799.3461813.6421773.8891697.3691709.6781695.1691686.5311610.362
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▁▁▁▁▅█▂▂▁▁▁▁▁3.9893.653.5923.9033.45735.71954.8577.29311.1033.5333.7643.3876.4876.036
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▁▁▁▁▁▅█▂▂▁▁▁▁▁6.2275.9926.2296.7186.39238.47958.44112.84815.3836.5416.4826.4799.5248.982
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
 us-gaap:AmortizationOfIntangibleAssets us-gaap:BusinessAcquisition,us-gaap:FiniteLivedIntangibleAssetsByMajorClass,us-gaap:PropertyPlantAndEquipmentByType cube:HVPThreeVenture,us-gaap:LeasesAcquiredInPlace,cube:RealEstateAcquisitions2019NANANA6.02.43.6NA3.6NANANANANANA
 us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass,us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeasesAcquiredInPlace,cube:RealEstateAcquisitions2019NANANA1.01.21.50.90.50.40.1NANANANA
 us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass,us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeasesAcquiredInPlace,cube:RealEstateAcquisitions2020▁█2.42.8NA0.60.40.032NANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▄█29.9342.86757.82NANANA10.283NANANA8.145NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA0.4NANANA0.8NANANA1.4NANANA
us-gaap:OperatingLeaseRightOfUseAsset ███▁▃▃▃▃54.68354.98955.30236.03441.31741.53241.69841.7NANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
 us-gaap:LongTermDebt us-gaap:FairValueByFairValueHierarchyLevel us-gaap:FairValueInputsLevel22226.251NA2364.676NANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName cube:Ventures█▆▅▅▅▅▃▂▁439.155367.547359.985361.69361.421360.95280.392264.855237.059NA413.848NANANA
us-gaap:DebtAndCapitalLeaseObligations NANA2364.71968.21946.61931.51931.81824.31852.81800.01700.01700.01.61.7
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:FairValueByFairValueHierarchyLevel us-gaap:FairValueInputsLevel2NA2254.9882364.676NANANANANANANANANANANA
us-gaap:MinorityInterest █▃▃▃▃▃▃▃▁▆▂▂▂▂13.5098.5978.6327.9447.9657.9697.997.9966.09711.1916.7716.8536.9076.967
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo █▇▇▁2.692.6392.6392.024NANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▆██▁2.542.692.692.144NANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ███▁2.5392.542.542.195NANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NA2.5392.5392.045NANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive ███▁99.2999.2999.2983.23NANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:StockholdersEquity ▇█▇▄▅▆▆▆▅▃▄▃▃▁1846.5241877.6021832.2161736.4621760.7521782.3211799.3461813.6421773.8891697.3691709.6781695.1691686.5311610.362
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▇█▇▄▅▆▆▆▅▃▄▃▃▁1860.0331886.1991840.8481744.4061768.7171790.291807.3361821.6381779.9861708.561716.4491702.0221693.4381617.329
us-gaap:CommonStockValue █▇▆▅▅▅▅▅▄▃▃▂▂▁2.0182.0041.9741.9371.9371.9361.9361.9361.9161.8811.8711.8631.8591.823
us-gaap:AdditionalPaidInCapital █▇▆▅▅▅▅▅▄▃▃▂▂▁2961.6962909.732805.6732682.6712680.4682675.8672674.7452673.442610.9392519.752500.7512472.8392458.5212356.759
us-gaap:RetainedEarningsAccumulatedDeficit ▁▃▄▄▅▅▆▆▆▇▇▇██-1116.596-1033.519-974.799-947.477-920.964-894.773-876.606-860.985-838.197-823.473-791.915-779.533-773.849-748.499
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ██▇▇▆▆▆▆▅▅▁-0.594-0.613-0.632-0.669-0.689-0.709-0.729-0.749-0.769-0.789-1.029NANA0.279
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax dei:LegalEntity cube:CubesmartLPAndSubsidiaries██▇▇▆▆▆▆▅▅▁-0.594-0.613-0.632-0.669-0.689-0.709-0.729-0.749-0.769-0.789-1.029NANANA
us-gaap:MinorityInterest █▃▃▃▃▃▃▃▁▆▂▂▂▂13.5098.5978.6327.9447.9657.9697.997.9966.09711.1916.7716.8536.9076.967
us-gaap:StockIssuedDuringPeriodValueNewIssues ▁█42.42999.688NA-0.044-0.07-0.118NA61.232110.52124.5823.49412.91395.466-0.044
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▁█0.5440.609NA0.4790.4640.53NA0.440.4390.4680.3870.3870.3440.423
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▁█0.0380.069NA0.060.0420.059NA0.0680.0080.0660.0350.0540.08NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▅▃▃▆▃▂▃▆▂▁▃▄▁119.17698.18283.20279.316107.56680.94971.91682.588101.80675.45869.77378.8889.5566.132
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇█▁█▇█▇▇▅▇▆▇█▇-67.438-20.532-350.994-35.922-89.741-34.784-70.39-54.431-171.81-79.033-137.236-84.333-43.536-57.154
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity cube:CubesmartLPAndSubsidiaries▇█▁█▇█▇▇▅▇▆▇█▇-67.438-20.532-350.994-35.922-89.741-34.784-70.39-54.431-171.81-79.033-137.236-84.333-43.536-57.154
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▁█▂▂▁▃▂▄▃▄▃▂▂-51.503-77.887267.303-43.068-49.912-66.12744.067-30.69278.8463.63467.4662.408-45.472-9.154
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity cube:CubesmartLPAndSubsidiaries▂▁█▂▂▁▃▂▄▃▄▃▂▂-51.503-77.887267.303-43.068-49.912-66.12744.067-30.69278.8463.63467.4662.408-45.472-9.154
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▄▄▄▁▂█▄▅▄▄▄▄▄0.235-0.237-0.4890.326-32.087-19.96245.593-2.5358.8420.0590.003-3.0450.542-0.176
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:AmortizationOfFinancingCosts ██▁▅▅▅▅▄▅▃▃▃▃▃1.0121.0350.4140.7530.7530.7540.7370.6870.7710.6240.5780.5780.5780.579
us-gaap:DepreciationDepletionAndAmortization ██▂▂▃▃▃▄▃▂▂▁▁▁54.13953.8137.75838.08439.89340.83841.06343.37940.66338.44238.09935.23935.04634.966
us-gaap:NetCashProvidedByUsedInOperatingActivities █▅▃▃▆▃▂▃▆▂▁▃▄▁119.17698.18283.20279.316107.56680.94971.91682.588101.80675.45869.77378.8889.5566.132
us-gaap:ProfitLoss █▅▅▇▃▃▄▅█▁▇▅▃▁50.36643.31542.95847.40438.93238.31742.5142.59749.87835.78648.63643.30238.75134.799
us-gaap:ShareBasedCompensation ██▆▆▅▇▅▅▅▄▂▂▁▄2.0012.0421.7661.7711.7321.8711.7041.6761.6951.6191.3761.3821.2221.592
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇█▁█▇█▇▇▅▇▆▇█▇-67.438-20.532-350.994-35.922-89.741-34.784-70.39-54.431-171.81-79.033-137.236-84.333-43.536-57.154
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity cube:CubesmartLPAndSubsidiaries▇█▁█▇█▇▇▅▇▆▇█▇-67.438-20.532-350.994-35.922-89.741-34.784-70.39-54.431-171.81-79.033-137.236-84.333-43.536-57.154
us-gaap:PaymentsToAcquireRealEstate NANA335.0210.15463.7249.0954.49918.08220.3225.097131.11158.4720.8954.034
 us-gaap:PaymentsToAcquireRealEstate dei:LegalEntity cube:CubesmartLPAndSubsidiariesNANA335.0210.15463.7249.0954.49918.08220.3225.097131.11158.4720.8954.034
 us-gaap:PaymentsToAcquireRealEstate us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName cube:HvpFiveVentureNANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▁█▂▂▁▃▂▄▃▄▃▂▂-51.503-77.887267.303-43.068-49.912-66.12744.067-30.69278.8463.63467.4662.408-45.472-9.154
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity cube:CubesmartLPAndSubsidiaries▂▁█▂▂▁▃▂▄▃▄▃▂▂-51.503-77.887267.303-43.068-49.912-66.12744.067-30.69278.8463.63467.4662.408-45.472-9.154
us-gaap:PaymentsOfDividendsCommonStock █▇▆▆▆▆▅▄▄▄▂▂▁▁68.35467.36864.09364.08664.03864.03662.04861.43260.37460.00555.97155.84254.76954.746
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2018000.02004000.01974000.01937000.01937000.01936000.01936000.01936000.01916000.01881000.01871000.01863000.01859000.01823000.01822000.01809000.01802000.01802000.01801000.01799000.01782000.01771000.01747000.01709000.01674000.01661000.01639000.01532000.01471000.01422000.01393000.01365000.01344000.01332000.01318000.01274000.01227000.01224000.01221000.0990000.0989000.0986000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Shares Issued

us-gaap:SharesIssued us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-06-302009-12-31
Value2012001971931931930.1935571931911880.1871451861851821821801801801801791781771741701670.1661511631531471421391361341331311271221221229998989292
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value20220019419419419319018718618418318118118118017917717016816715214614213813613212512212210098989392
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value202200194194194193190187186184183181181
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value2011991931931931921891871861831821801801801791771751691661651491441401351331321241221229898989392
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value201199193193193192189187186183182180180
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-06-30
Value0.240.210.210.240.20.20.220.220.260.190.260.230.210.190.220.210.180.140.130.130.110.080.210.10.070.040.020.050.040.020.160.110.01-0.01000.01-0.10.070.01-0.05
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-06-30
Value0.240.210.220.240.20.20.220.220.260.190.260.230.210.190.220.210.180.140.130.130.110.080.20.10.070.040.020.050.040.020.160.110.01-0.01000.01-0.10.070.01-0.05
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareDiluted dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.240.210.220.240.20.20.210.220.260.190.250.230.210.190.220.210.18
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.095.5100.0100.0100.096.2100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value484142463837424249354742383439373225282621154017157.3585.282107.5965.18424159.5950.5652.888-0.857-4.115-3.064-11.358-2.5431.6770.116
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues24.522.123.727.223.523.125.425.331.123.430.628.025.824.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4841424638374242493547423834393732
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues24.522.123.727.223.523.125.425.331.123.430.628.025.824.30.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries24.522.10.027.223.523.10.025.331.123.40.028.025.824.30.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value504342473838424249364743383540383326282621154118157.4215.342107.7015.24224159.7420.5382.846-0.525-3.541-2.446-10.751-2.1982.4250.728
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues25.322.924.027.523.823.425.725.631.423.630.928.226.024.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5043424738384242493647433835403833
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues25.322.924.027.523.823.425.725.631.423.630.928.226.024.60.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries25.322.90.027.523.823.40.025.631.423.60.028.226.024.60.00.00.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value636155575555545350514948494844474444424141403839383734333232303029302729272725242524222323
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues32.032.431.033.133.834.033.132.131.533.632.431.833.534.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostOfGoodsAndServicesSold cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:ProductOrService

cube:SelfStorageFacilityInArlingtonVirginia, us-gaap:Construction


Cost
Period End2021-06-30
Value0.0
Percentage of CostOfGoodsAndServicesSold0.0
Percentage of Revenues0.0
Percentage of Revenues cube:SelfStorageFacilityInArlingtonVirginia us-gaap:Construction0.0

cube:SelfStorageFacilityInBrooklynNewYork, us-gaap:Construction


Cost
Period End2021-06-30
Value0.0
Percentage of CostOfGoodsAndServicesSold0.0
Percentage of Revenues0.0
Percentage of Revenues cube:SelfStorageFacilityInBrooklynNewYork us-gaap:Construction0.0

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:Construction


Cost
Period End2021-06-30
Value48
Percentage of CostOfGoodsAndServicesSold76.4
Percentage of Revenues24.4
Percentage of Revenues us-gaap:Construction0.0

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value636155575555545350514948494844474444424141403839383734333232303029302729272725242524222323
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues32.032.431.033.133.834.033.132.131.533.632.431.833.534.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostOfRevenue dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6361555755555453505149484948444744
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues32.032.431.033.133.834.033.132.131.533.632.431.833.534.10.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries32.032.40.033.133.834.00.032.131.533.60.031.833.534.10.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12912510410510410610510610099989392928791919290929390838684838273696664656668676561595246474544444642
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues65.066.758.561.164.065.263.764.263.364.864.261.162.964.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostsAndExpenses dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1291251041051041061051061009998939292879191
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues65.066.758.561.164.065.263.764.263.364.864.261.162.964.70.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries65.066.70.061.164.065.20.064.263.364.80.061.162.964.70.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt dei:LegalEntity

us-gaap:GainsLossesOnExtinguishmentOfDebt

cube:CubesmartLPAndSubsidiaries


Gains
Period End2020-10-30
Value18
Percentage of GainsLossesOnExtinguishmentOfDebt100.0
Percentage of Revenues0.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries0.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value111011109.543109.602109.89.147109.788.3418.7448.2238.2288.89.4948.6398.0657.8918.2287.0827.0027.1147.1737.337.4647.0596.5697.1097.3267.5157.6136.5496.866.2786.4446.3435.4766.8416.0336.0986.5976.844
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.85.86.35.95.86.35.86.06.26.07.06.45.66.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GeneralAndAdministrativeExpense dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value111011109.543109.602109.89.147109.788.3418.7448.2238.2288.8
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.85.86.35.95.86.35.86.06.26.07.06.45.66.10.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries5.85.80.05.95.86.30.06.06.26.00.06.45.66.10.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1523172514231620161518151715161515151411161010111112111312126.98138.163147.8537.6959.4438.5878.4668.4298.2128.1588.7379.669
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.712.510.014.68.614.49.712.610.310.411.710.212.010.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestPaidNet dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value15231725142316201615181517151615
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.712.510.014.68.614.49.712.610.310.411.710.212.010.70.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries7.712.50.014.68.614.40.012.610.310.40.010.212.010.70.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value484142463837424249354842383439373224232318143516126.9323.9816.9786.3843.02821141.048-1.894-0.0210.1341.041-5.345-9.2296.8280.902-0.1172.083-1.48
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues24.522.123.727.223.523.125.425.331.123.231.328.026.024.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value20000.020000.021000.020000.020000.020000.020000.020000.020000.0242000.0-279000.0279000.0370000.0307000.0362000.0836000.01413000.01393000.0687000.0-328000.03850000.0-460000.01483000.0-1101000.0-200000.02115000.0-292000.0666000.01639000.0-821000.07174000.0966000.01366000.0-2576000.0-6896000.0812000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.2-0.20.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-312017-12-312017-09-302017-06-30
Value20000.020000.021000.020000.020000.020000.020000.020000.020000.0242000.0-279000.0279000.0370000.0307000.0362000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.2-0.20.20.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries0.00.00.00.00.00.00.00.00.00.2-0.20.20.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value377000.0677000.0-448000.045000.0-456000.0619000.0112000.01647000.0-178000.0-165000.0-54000.0-233000.0189000.0304000.0-69000.0741000.0308000.0-108000.0228000.0-397000.0901000.0330000.0584000.0-288000.0-208000.0-316000.0698000.0-337000.0-173000.0-593000.0290000.0-22000.0-187000.0-73000.0268000.0166000.0-107000.0-71000.0117000.01000.0-198000.06000.0528000.0-67000.0-35000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.20.4-0.30.0-0.30.40.11.0-0.1-0.1-0.0-0.20.10.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value377000.0677000.0-448000.045000.0-456000.0619000.0112000.01647000.0-178000.0-165000.0-54000.0-233000.0189000.0304000.0-69000.0741000.0308000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.20.4-0.30.0-0.30.40.11.0-0.1-0.1-0.0-0.20.10.20.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries0.20.40.00.0-0.30.40.01.0-0.1-0.10.0-0.20.10.20.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value504342473838424249354843383439373225272520153718138.5225.5428.5917.9934.57623162.568-0.4281.482.0513.355-3.258-7.5457.9281.5880.4762.677-1.115-4.389
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues25.322.924.027.523.823.425.725.631.423.431.628.226.224.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5043424738384242493548433834393732
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues25.322.924.027.523.823.425.725.631.423.431.628.226.224.40.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries25.322.90.027.523.823.40.025.631.423.40.028.226.224.40.00.00.0

us-gaap:ProfitLoss us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Profit
Period End2021-06-302020-06-30
Value-0.787-3.387
Percentage of ProfitLoss-1.6-8.7
Percentage of Revenues-0.4-2.1
Percentage of Revenues cube:Ventures-3.7-20.2

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax dei:LegalEntity, us-gaap:ProductOrService

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

cube:CubesmartLPAndSubsidiaries, us-gaap:ManagementService


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.677.0617.3717.0886.7926.1946.0216.2866.0685.5785.4595.44.9254.469
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.83.74.14.14.13.83.63.83.83.63.53.53.33.1
Percentage of Revenues cube:CubesmartLPAndSubsidiaries us-gaap:ManagementService0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:CubesmartLPAndSubsidiaries, us-gaap:RealEstateOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2119181816161618161515151514
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax276.6273.4249.4266.9243.3272.9280.8287.2278.9281.0281.5286.9305.5318.8
Percentage of Revenues10.610.210.311.010.110.310.210.810.610.310.010.110.210.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries us-gaap:RealEstateOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

us-gaap:ManagementService


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.677.0617.3717.0886.7926.1946.0216.2866.0685.5785.4595.44.9254.469
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.83.74.14.14.13.83.63.83.83.63.53.53.33.1
Percentage of Revenues us-gaap:ManagementService0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RealEstateOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2119181816161618161515151514
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax276.6273.4249.4266.9243.3272.9280.8287.2278.9281.0281.5286.9305.5318.8
Percentage of Revenues10.610.210.311.010.110.310.210.810.610.310.010.110.210.0
Percentage of Revenues us-gaap:RealEstateOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value199188178172163164165166159152153153147142
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Revenuesdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value199188178172163164165166159152153153147142
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Revenuesus-gaap:
Period End2021-06-302020-06-30
Value2116
Percentage of Revenues10.710.3
Percentage of Revenues10.710.3
Percentage of Revenues cube:Ventures100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value477147544778402840244002402939503947381437523640358435653545350334933466347535193362320631142929286328082786254425032442235822032197211221502167208819371875150315091478
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value47714754477840284024400240293950394738143752364035843545
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets cube:CubesmartLPAndSubsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1321361198610910093
Percentage of Assets2.82.92.52.12.72.52.3
Percentage of Assets2.82.92.52.12.72.52.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CS2087HempsteadTpkLlc


Assetsus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value242217141312
Percentage of Assets0.50.50.40.40.30.3
Percentage of Assets0.50.50.40.40.30.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CS2087HempsteadTpkLlc100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSLockUpAnokaLimitedLiabilityCompany


Assetsus-gaap:
Period End2021-06-30
Value12
Percentage of Assets0.3
Percentage of Assets0.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CSLockUpAnokaLimitedLiabilityCompany100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSSDPNewtonvilleLlc


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value19181715131210
Percentage of Assets0.40.40.40.40.30.30.3
Percentage of Assets0.40.40.40.40.30.30.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CSSDPNewtonvilleLlc100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSSevenFiftyWestMerrickRoad


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-30
Value2015129.228
Percentage of Assets0.40.30.30.2
Percentage of Assets0.40.30.30.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CSSevenFiftyWestMerrickRoad100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSValleyForgeVillageStorage


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2120181310.07.0224.279
Percentage of Assets0.50.40.40.30.20.20.1
Percentage of Assets0.50.40.40.30.20.20.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CSValleyForgeVillageStorage100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSViennaLlcOne


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value191716
Percentage of Assets0.40.40.3
Percentage of Assets0.40.40.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CSViennaLlcOne100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:SH3Llc


Assetsus-gaap:
Period End2021-06-302021-03-31
Value3939
Percentage of Assets0.80.8
Percentage of Assets0.80.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:SH3Llc100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:ShirlingtonRoadLlc


Assetsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value1414141414
Percentage of Assets0.30.40.40.40.4
Percentage of Assets0.30.40.40.40.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:ShirlingtonRoadLlc100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:ShirlingtonRoadLlcTwo


Assetsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value181613108.965
Percentage of Assets0.40.40.30.30.2
Percentage of Assets0.40.40.30.30.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:ShirlingtonRoadLlcTwo100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Assetsus-gaap:
Period End2021-06-302020-12-31
Value811680
Percentage of Assets17.014.3
Percentage of Assets17.014.3
Percentage of Assets cube:Ventures100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2573258926872214220421582160206321052045198018791826189018551831181217731759170615861451140313231331129212861215127412801229113011581087111211601073906830713711668
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.954.556.355.054.853.953.652.253.353.652.851.651.053.052.352.351.951.250.648.547.245.245.145.246.546.046.247.850.952.452.151.352.751.551.753.651.446.844.347.447.145.2

us-gaap:Liabilities dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value25732589268722142204215821602063210520451980187918261855
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.954.556.355.054.853.953.652.253.353.652.851.651.052.3
Percentage of Assets cube:CubesmartLPAndSubsidiaries53.954.556.355.054.853.953.652.253.353.652.851.651.052.3

us-gaap:Liabilities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value51524025262319
Percentage of Liabilities2.02.01.51.11.21.10.9
Percentage of Assets1.11.10.80.60.70.60.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary38.838.633.529.324.523.320.6

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CS2087HempsteadTpkLlc


Liabilitiesus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7.1047.5766.7454.983.9413.289
Percentage of Liabilities0.30.30.30.20.20.2
Percentage of Assets0.10.20.20.10.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CS2087HempsteadTpkLlc29.234.338.533.829.126.2

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSLockUpAnokaLimitedLiabilityCompany


Liabilitiesus-gaap:
Period End2021-06-30
Value5.589
Percentage of Liabilities0.2
Percentage of Assets0.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CSLockUpAnokaLimitedLiabilityCompany45.8

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSSDPNewtonvilleLlc


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1211119.37.1885.9383.827
Percentage of Liabilities0.50.50.40.40.30.30.2
Percentage of Assets0.30.20.20.20.20.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CSSDPNewtonvilleLlc66.064.563.458.852.447.737.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSSevenFiftyWestMerrickRoad


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-30
Value108.1815.2692.501
Percentage of Liabilities0.40.30.20.1
Percentage of Assets0.20.20.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CSSevenFiftyWestMerrickRoad52.352.443.627.1

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSValleyForgeVillageStorage


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value13129.8065.1551.9161.5920.856
Percentage of Liabilities0.50.50.40.20.10.10.0
Percentage of Assets0.30.30.20.10.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CSValleyForgeVillageStorage63.359.754.138.219.222.720.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSViennaLlcOne


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-31
Value8.6156.5534.981
Percentage of Liabilities0.30.30.2
Percentage of Assets0.20.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:CSViennaLlcOne43.536.730.3

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:SH3Llc


Liabilitiesus-gaap:
Period End2021-06-302021-03-31
Value0.1916.667
Percentage of Liabilities0.00.3
Percentage of Assets0.00.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:SH3Llc0.516.8

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:ShirlingtonRoadLlc


Liabilitiesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.1710.1660.1670.2410.162
Percentage of Liabilities0.00.00.00.00.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:ShirlingtonRoadLlc1.21.21.11.61.1

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:ShirlingtonRoadLlcTwo


Liabilitiesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.0461.5331.440.9980.339
Percentage of Liabilities0.00.10.10.00.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary cube:ShirlingtonRoadLlcTwo5.69.510.89.63.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value477147544778402840244002402939503947381437523640358435653545350334933466347535193362320631142929286328082786254425032442235822032197211221502167208819371875150315091478
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value47714754477840284024400240293950394738143752364035843545
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets cube:CubesmartLPAndSubsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Liabilities
Period End2021-06-302020-12-31
Value811680
Percentage of LiabilitiesAndStockholdersEquity17.014.3
Percentage of Assets17.014.3
Percentage of Assets cube:Ventures100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value184618771832173617601782179918131773169717091695168616101629161616151633165517461702168216431544147714591448128711851121109210321002989989949925936955707708724
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.739.538.343.143.844.544.745.944.944.545.646.647.045.246.046.246.247.147.649.650.652.552.852.751.652.052.050.647.445.946.346.945.646.846.043.844.348.351.047.146.949.0

us-gaap:StockholdersEquity us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Stockholders
Period End2021-06-302020-12-31
Value9792
Percentage of StockholdersEquity5.35.0
Percentage of Assets2.01.9
Percentage of Assets cube:Ventures12.013.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value3.9893.653.5923.9033.45735547.293113.5333.7643.3876.4876.0365.2686.238.0773.0812.973873.4232.754623.0183.1673.0172.90131103.2353.1762.944.0212.6254.4952.7071377.4659.069121.8454.0895.89123311023.744
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.91.40.20.30.10.10.10.20.20.10.20.20.10.12.50.10.12.00.10.10.10.11.20.40.10.10.10.20.10.20.16.60.40.50.80.10.00.40.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3.9893.653.5923.9033.45735547.293113.5333.7643.3876.4875.268
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.91.40.20.30.10.10.10.20.1
Percentage of Assets cube:CubesmartLPAndSubsidiaries0.10.10.10.10.10.91.40.20.30.10.10.10.20.1

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value6.2275.9926.2296.7186.392385812156.5416.4826.4799.5248.9829.15810121087
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.20.21.01.50.30.40.20.20.20.30.30.30.30.40.32.8

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value6.2275.9926.2296.7186.392385812156.5416.4826.4799.5248.9829.15810121087
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.20.21.01.50.30.40.20.20.20.30.30.30.30.40.32.8
Percentage of Assets cube:CubesmartLPAndSubsidiaries0.10.10.10.20.21.01.50.30.40.20.20.20.30.00.30.00.00.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AmortizationOfIntangibleAssets

cube:HVPThreeVenture, us-gaap:LeasesAcquiredInPlace, cube:RealEstateAcquisitions2019


Amortization
Period End2020-09-302020-06-302020-03-312019-09-30
Value6.02.43.63.6
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets cube:HVPThreeVenture us-gaap:LeasesAcquiredInPlace cube:RealEstateAcquisitions20190.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:LeasesAcquiredInPlace, cube:RealEstateAcquisitions2019


Amortization
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.01.21.50.90.50.40.1
Percentage of AmortizationOfIntangibleAssets16.750.041.70.013.90.00.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:LeasesAcquiredInPlace cube:RealEstateAcquisitions20190.00.00.00.00.00.00.0

us-gaap:LeasesAcquiredInPlace, cube:RealEstateAcquisitions2020


Amortization
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value2.42.80.60.40.032
Percentage of AmortizationOfIntangibleAssets0.00.010.016.70.9
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:LeasesAcquiredInPlace cube:RealEstateAcquisitions20200.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value294257108.1451.7168.2812229.46321238.201
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.91.20.30.20.00.20.40.80.41.01.20.6

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value400000.0800000.01400000.01400000.01300000.01700000.01000000.0700000.0700000.0400000.0300000.0
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.10.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-01-01
Value545455364141414155
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.21.20.91.01.01.01.10.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1541571709291931011041051074849433934363331364139414340423948434127272530274149334043192218
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.33.62.32.32.32.52.62.72.81.31.41.21.11.01.01.00.91.11.21.21.31.41.41.51.41.71.71.71.11.21.21.41.31.92.31.62.12.31.31.51.3

us-gaap:OtherAssets dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value15415717092919310110410510748494334
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.33.62.32.32.32.52.62.72.81.31.41.21.0
Percentage of Assets cube:CubesmartLPAndSubsidiaries3.23.33.62.32.32.32.52.62.72.81.31.41.21.0

Long Term Debt

us-gaap:LongTermDebt us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LongTermDebt

us-gaap:FairValueInputsLevel2


Long
Period End2021-06-302020-12-31
Value22262364
Percentage of LongTermDebt100.0100.0
Percentage of Assets46.749.5
Percentage of Assets us-gaap:FairValueInputsLevel20.00.0

us-gaap:LongTermDebt us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value439367359361361360280264237413346345
Percentage of LongTermDebt19.70.015.20.00.00.00.00.00.00.00.00.0
Percentage of Assets9.27.77.59.09.09.07.06.76.011.09.89.9
Percentage of Assets cube:Ventures54.10.052.90.00.00.00.00.00.00.00.00.0

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value23641968194619311931182418521800170017001.61.716001.61.6160016001600140013001300120012001200120011001181119611381044107410061023
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.548.948.448.347.946.246.947.245.346.70.00.045.10.00.046.246.045.541.640.541.741.041.942.743.143.247.249.048.347.448.947.647.6

us-gaap:DebtAndCapitalLeaseObligations us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Debt
Period End2021-03-312020-12-31
Value22542364
Percentage of DebtAndCapitalLeaseObligations0.0100.0
Percentage of Assets47.449.5
Percentage of Assets us-gaap:FairValueInputsLevel20.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value138.5978.6327.9447.9657.9697.997.9966.097116.7716.8536.9076.9676.2365.9835.8896.2085.8555.5625.5871.4591.5261.7031.7521.7571.5921.5381.4951.4450.9310.1420.1150.1080.1180.115383839394041
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.20.20.20.20.20.20.20.30.20.20.20.20.20.20.20.20.20.20.20.00.00.10.10.10.10.10.10.10.00.00.00.00.00.01.82.02.12.62.72.8

us-gaap:MinorityInterest us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Minority
Period End2021-06-302020-12-31
Value252217
Percentage of MinorityInterest1866.92517.4
Percentage of Assets5.34.5
Percentage of Assets cube:Ventures31.131.9

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value2690000.02639000.02639000.02024000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value2540000.02690000.02690000.02144000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value2539000.02540000.02540000.02195000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-03-312020-12-312020-09-30
Value2539000.02539000.02045000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0
Percentage of Assets0.10.10.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value99999983
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0
Percentage of Assets2.12.12.12.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-01-01
Value53535341464646464660
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.11.11.01.21.21.21.21.20.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value11011111292
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets2.32.32.32.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value57585850
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets1.21.21.21.3

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value184618771832173617601782179918131773169717091695168616101629161616151633165517461702168216431544147714591448128711851121109210321002989989949925936955707708724
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.739.538.343.143.844.544.745.944.944.545.646.647.045.246.046.246.247.147.649.650.652.552.852.751.652.052.050.647.445.946.346.945.646.846.043.844.348.351.047.146.949.0

us-gaap:StockholdersEquity us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Stockholders
Period End2021-06-302020-12-31
Value9792
Percentage of StockholdersEquity5.35.0
Percentage of Assets2.01.9
Percentage of Assets cube:Ventures12.013.5

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value186018861840174417681790180718211779170817161702169316171635162216211639166117511707168316441545147914611449128811861123109310321002989989950964975995747748753765744727739522
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.039.738.543.344.044.744.946.145.144.845.746.847.245.446.146.346.447.347.849.850.852.552.852.851.752.052.050.647.446.046.346.945.646.846.043.846.250.353.149.749.60.051.80.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value-0.594-0.613-0.632-0.669-0.689-0.709-0.729-0.749-0.769-0.789-1.0290.2790.003-0.363-0.666-1.023-1.85-3.247-4.623-5.302-4.978-8.824-8.378-9.835-8.759-8.558-10.65-10.36-11.014-12.626-11.794-18.839-19.796-21.203-18.71-12.052-12.831-9.484-0.113-0.888-1.121-0.924-1.104-0.874-7.553
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.10.00.0-0.0-0.0-0.1-0.1-0.2-0.3-0.3-0.3-0.6-0.6-0.7-0.6-0.7-0.9-0.9-1.0-1.2-1.2-1.9-2.0-2.2-1.9-1.2-1.3-1.3-0.0-0.1-0.1-0.1-0.2-0.1-1.4
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.0-0.0-0.1-0.1-0.1-0.2-0.2-0.3-0.3-0.4-0.3-0.3-0.4-0.4-0.5-0.6-0.5-0.9-0.9-1.0-0.9-0.6-0.7-0.6-0.00.0-0.10.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value2961290928052682268026752674267326102519250024722458235623562323230623132314238123322299223121272040201119741781166915891542149214571436141813571315131013091030102810271026998977974801
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest159.2154.3152.4153.8151.5149.5148.0146.8146.7147.5145.7145.3145.2145.7144.1143.2142.2141.1139.3136.0136.6136.6135.6137.6137.9137.7136.2138.2140.7141.6141.1144.5145.3145.2143.3142.9136.4134.4131.6137.9137.4136.3134.2134.2134.4131.9153.2
Percentage of Assets62.161.258.766.666.666.966.467.766.166.166.667.968.666.166.566.366.066.766.667.769.471.771.672.671.371.670.970.066.765.165.467.766.368.066.062.663.067.669.868.668.10.069.40.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AociAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312019-12-31
Value0.0220.0230.0240.008
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:AociAttributableToNoncontrollingInterest0.00.00.00.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312019-12-312018-12-31
Value-0.616-0.636-0.656-0.737-1.039
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.0-0.0-0.0-0.1
Percentage of Assets-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value2.0182.0041.9741.9371.9371.9361.9361.9361.9161.8811.8711.8631.8591.8231.8221.8091.8021.8021.8011.7991.7821.7711.7471.7091.6741.6611.6391.5321.4711.4221.3931.3651.3441.3321.3181.2741.2271.2241.2210.990.9890.9880.9860.9540.930.9270.576
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.10.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value138.5978.6327.9447.9657.9697.997.9966.097116.7716.8536.9076.9676.2365.9835.8896.2085.8555.5625.5871.4591.5261.7031.7521.7571.5921.5381.4951.4450.9310.1420.1150.1080.1180.11538383939404041414244
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.70.50.50.50.50.40.40.40.30.70.40.40.40.40.40.40.40.40.40.30.30.10.10.10.10.10.10.10.10.10.10.00.00.00.00.04.04.04.05.35.45.45.45.65.96.0
Percentage of Assets0.30.20.20.20.20.20.20.20.20.30.20.20.20.20.20.20.20.20.20.20.20.00.00.10.10.10.10.10.10.10.00.00.00.00.00.01.82.02.12.62.70.02.80.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value184618771832173617601782179918131773169717091695168616101629161616151633165517461702168216431544147714591448128711851121109210321002989989949925936955707708713724702684695522
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest99.399.599.599.599.599.699.699.699.799.399.699.699.699.699.699.699.699.699.699.799.799.999.999.999.999.999.999.999.999.999.9100.0100.0100.0100.0100.096.096.096.094.794.694.694.694.494.194.0100.0
Percentage of Assets38.739.538.343.143.844.544.745.944.944.545.646.647.045.246.046.246.247.147.649.650.652.552.852.751.652.052.050.647.445.946.346.945.646.846.043.844.348.351.047.146.90.049.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value-1116.596-1033.519-974.799-947.477-920.964-894.773-876.606-860.985-838.197-823.473-791.915-779.533-773.849-748.499-729.311-708.404-691.778-680.919-658.583-634.248-627.689-613.734-584.654-576.086-556.385-543.86-519.193-487.357-474.944-459.335-440.837-448.519-444.044-429.736-410.225-388.061-372.082-363.576-342.013-314.38-321.053-314.693-302.601-296.225-292.35-279.67-271.124
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-60.0-54.8-53.0-54.3-52.1-50.0-48.5-47.3-47.1-48.2-46.1-45.8-45.7-46.3-44.6-43.7-42.7-41.5-39.6-36.2-36.8-36.5-35.5-37.3-37.6-37.2-35.8-37.8-40.0-40.9-40.3-43.4-44.3-43.4-41.4-40.8-38.6-37.3-34.4-42.1-42.9-41.8-39.5-39.8-40.2-37.8-51.8
Percentage of Assets-23.4-21.7-20.4-23.5-22.9-22.4-21.8-21.8-21.2-21.6-21.1-21.4-21.6-21.0-20.6-20.2-19.8-19.6-19.0-18.0-18.7-19.1-18.8-19.7-19.4-19.4-18.6-19.1-19.0-18.8-18.7-20.4-20.2-20.3-19.1-17.9-17.8-18.8-18.2-20.9-21.30.0-20.50.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2018000.02004000.01974000.01937000.01937000.01936000.01936000.01936000.01916000.01881000.01871000.01863000.01859000.01823000.01822000.01809000.01802000.01802000.01801000.01799000.01782000.01771000.01747000.01709000.01674000.01661000.01639000.01532000.01471000.01422000.01393000.01365000.01344000.01332000.01318000.01274000.01227000.01224000.01221000.0990000.0989000.0986000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value29612909280526822680267526742673261025192500247224582356235623232306231323142381233222992231212720402011197417811669158915421492145714361418135713151309
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets62.161.258.766.666.666.966.467.766.166.166.667.968.666.166.566.366.066.766.667.769.471.771.672.671.371.670.970.066.765.165.467.766.368.066.062.663.069.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-1116600000.0-1033500000.0-974800000.0-947480000.0-920960000.0-894770000.0-876610000.0-860980000.0-838200000.0-823470000.0-791920000.0-779530000.0-773850000.0-748500000.0-729310000.0-708400000.0-691780000.0-680920000.0-658580000.0-634250000.0-627690000.0-613730000.0-584650000.0-576090000.0-556380000.0-543860000.0-519190000.0-487360000.0-474940000.0-459340000.0-440840000.0-448520000.0-444040000.0-429740000.0-410220000.0-388060000.0-372080000.0-363580000.0-342010000.0-314380000.0-321050000.0-302600000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-23.4-21.7-20.4-23.5-22.9-22.4-21.8-21.8-21.2-21.6-21.1-21.4-21.6-21.0-20.6-20.2-19.8-19.6-19.0-18.0-18.7-19.1-18.8-19.7-19.4-19.4-18.6-19.1-19.0-18.8-18.7-20.4-20.2-20.3-19.1-17.9-17.8-18.8-18.2-20.9-21.3-20.5

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-594000.0-613000.0-632000.0-669000.0-689000.0-709000.0-729000.0-749000.0-769000.0-789000.0-1029000.0279000.03000.0-363000.0-666000.0-1023000.0-1850000.0-3247000.0-4623000.0-5302000.0-4978000.0-8824000.0-8378000.0-9835000.0-8759000.0-8558000.0-10650000.0-10360000.0-11014000.0-12626000.0-11794000.0-18839000.0-19796000.0-21203000.0-18710000.0-12052000.0-12831000.0-9484000.0-113000.0-1121000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.0-0.0-0.1-0.1-0.1-0.2-0.2-0.3-0.3-0.4-0.3-0.3-0.4-0.4-0.5-0.6-0.5-0.9-0.9-1.0-0.9-0.6-0.7-0.6-0.0-0.1

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-594000.0-613000.0-632000.0-669000.0-689000.0-709000.0-729000.0-749000.0-769000.0-789000.0-1029000.03000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0
Percentage of Assets cube:CubesmartLPAndSubsidiaries-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value138.5978.6327.9447.9657.9697.997.9966.097116.7716.8536.9076.9676.2365.9835.8896.2085.8555.5625.5871.4591.5261.7031.7521.7571.5921.5381.4951.4450.9310.1420.1150.1080.1180.115383839394041
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.20.20.20.20.20.20.20.30.20.20.20.20.20.20.20.20.20.20.20.00.00.10.10.10.10.10.10.10.00.00.00.00.00.01.82.02.12.62.72.8

us-gaap:MinorityInterest us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Minority
Period End2021-06-302020-12-31
Value252217
Percentage of MinorityInterest1866.92517.4
Percentage of Assets5.34.5
Percentage of Assets cube:Ventures31.131.9

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312010-09-30
Value4299-0.044-0.07-0.1186111024231295-0.04429-0.041-0.105-0.073-0.0294725629780272918010979464732181.512422022720
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312010-09-30
Value4299-0.044-0.07-0.1186111024231295-0.04429-0.041-0.105-0.073-0.0294725629780272917910979464732181.511422022720
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.999.999.999.999.999.999.999.999.999.999.999.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value0.0110.0280.0180.0340.0080.0070.0040.0320.00.0160.0080.020.0350.0320.0120.0120.0950.0590.0450.0280.0260.0190.0110.0010.0320.230.032
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.00.00.00.00.00.0-0.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312010-09-30
Value4299-0.044-0.07-0.1186111024231295-0.04429-0.041-0.105-0.073-0.0294725629780272918010979464732181.512422022720
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value544000.0609000.0479000.0464000.0530000.0440000.0439000.0468000.0387000.0387000.0344000.0423000.0383000.0384000.0389000.0375000.0318000.0319000.0319000.0304000.0248000.0250000.0247000.0244000.0909000.0216000.0214000.0214000.0216000.0218000.0215000.0221000.0298000.0294000.0293000.0313000.0358000.0351000.0385000.0433000.0452000.0449000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value544000.0609000.0479000.0464000.0530000.0440000.0439000.0468000.0387000.0387000.0344000.0423000.0383000.0384000.0389000.0375000.0318000.0319000.0319000.0304000.0248000.0250000.0247000.0244000.0909000.0216000.0214000.0214000.0216000.0218000.0215000.0221000.0298000.0294000.0293000.0313000.0358000.0351000.0385000.0433000.0452000.0449000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value544000.0609000.0479000.0464000.0530000.0440000.0439000.0468000.0387000.0387000.0344000.0423000.0383000.0384000.0389000.0375000.0318000.0319000.0319000.0304000.0248000.0250000.0247000.0244000.0909000.0216000.0214000.0214000.0216000.0218000.0215000.0221000.0298000.0294000.0293000.0313000.0358000.0351000.0385000.0433000.0452000.0449000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value38000.069000.060000.042000.059000.068000.08000.066000.035000.054000.080000.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value38000.069000.060000.042000.059000.068000.08000.066000.035000.054000.080000.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets cube:CubesmartLPAndSubsidiaries0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value38000.069000.060000.042000.059000.068000.08000.066000.035000.054000.080000.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets cube:CubesmartLPAndSubsidiaries us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value38000.069000.060000.042000.059000.068000.08000.066000.035000.054000.080000.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1199883791078071821017569788966697679676277626153615743474740303838382621383720192622152023
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues59.852.046.546.065.749.343.549.664.049.445.351.460.646.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value11998837910780718210175697889666876
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.098.799.8
Percentage of Revenues59.852.046.546.065.749.343.549.664.049.445.351.460.646.30.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries59.852.046.546.065.749.343.549.664.049.445.351.460.646.30.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-67.438-20.532-350.994-35.922-89.741-34.784-70.39-54.431-171.81-79.033-137.236-84.333-43.536-57.154-66.759-34.702-26.511-19.852-72.338-125.066-150.183-196.884-136.705-102.213-81.762-53.928-303.726-52.055-78.479-88.439-152.651-26.227-106.4192.373-0.181-194.874-24.086-52.795-387.4671.825-48.288-8.17-20.711-36.404
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-33.8-10.9-196.3-20.8-54.8-21.2-42.5-32.7-108.0-51.7-89.2-55.0-29.5-40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-67.438-20.532-350.994-35.922-89.741-34.784-70.39-54.431-171.81-79.033-137.236-84.333-43.536-57.154-66.152-34.52
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.199.5
Percentage of Revenues-33.8-10.9-196.3-20.8-54.8-21.2-42.5-32.7-108.0-51.7-89.2-55.0-29.5-40.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries-33.8-10.9-196.3-20.8-54.8-21.2-42.5-32.7-108.0-51.7-89.2-55.0-29.5-40.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-51.503-77.887267-43.068-49.912-66.12744-30.692783.634672.408-45.472-9.154-3.361-43.916-48.059-47.983-74.1731318874143402410228254557113-13.43468-30.704-19.2942111630364-17.38723-8.879-17.1714.221
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-25.8-41.2149.5-25.0-30.5-40.326.6-18.449.62.443.81.6-30.8-6.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-51.503-77.887267-43.068-49.912-66.12744-30.692783.634672.408-45.472-9.154-3.361-43.916
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-25.8-41.2149.5-25.0-30.5-40.326.6-18.449.62.443.81.6-30.8-6.40.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries-25.8-41.2149.5-25.0-30.5-40.326.6-18.449.62.443.81.6-30.8-6.40.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.235-0.237-0.4890.326-32.087-19.96245-2.5358.8420.0590.003-3.0450.542-0.176-1.261-1.822
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.1-0.1-0.30.2-19.6-12.227.5-1.55.60.00.0-2.00.4-0.10.00.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.235-0.237-0.4890.326-32.087-19.96245-2.5358.8420.0590.003-3.0450.542-0.176-1.261-1.822
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.1-0.1-0.30.2-19.6-12.227.5-1.55.60.00.0-2.00.4-0.10.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries0.1-0.1-0.30.2-19.6-12.227.5-1.55.60.00.0-2.00.4-0.10.00.0

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1012000.01035000.0414000.0753000.0753000.0754000.0737000.0687000.0771000.0624000.0578000.0578000.0578000.0579000.0579000.0577000.0776000.0706000.0706000.0655000.0611000.0605000.0582000.0537000.0659000.0546000.0540000.0566000.0543000.0541000.0549000.0536000.0497000.0476000.0694000.0699000.01114000.0771000.0904000.01093000.01396000.01636000.01745000.01559000.01620000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCosts dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1012000.01035000.0414000.0753000.0753000.0754000.0737000.0687000.0771000.0624000.0578000.0578000.0578000.0579000.0579000.0577000.0776000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value545337383940414340383835353434353638394141393738383736313028262829293129272521161515151415
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5453373839404143403838353534343536
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1199883791078071821017569788966697679676277626153615743474740303838382621383720192622152023
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues59.852.046.546.065.749.343.549.664.049.445.351.460.646.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value11998837910780718210175697889666876
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.098.799.8
Percentage of Revenues59.852.046.546.065.749.343.549.664.049.445.351.460.646.30.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries59.852.046.546.065.749.343.549.664.049.445.351.460.646.30.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value504342473838424249354843383439373225272520153718138.5225.5428.5917.9934.57623162.568-0.4281.482.0513.355-3.258-7.5457.9281.5880.4762.677-1.115-4.389
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues25.322.924.027.523.823.425.725.631.423.431.628.226.224.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5043424738384242493548433834393732
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues25.322.924.027.523.823.425.725.631.423.431.628.226.224.40.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries25.322.924.027.523.823.425.725.631.423.431.628.226.224.40.00.00.0

us-gaap:ProfitLoss us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Profit
Period End2021-06-302020-06-30
Value-0.787-3.387
Percentage of ProfitLoss-1.6-8.7
Percentage of Revenues-0.4-2.1
Percentage of Revenues cube:Ventures-3.7-20.2

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2001000.02042000.01766000.01771000.01732000.01871000.01704000.01676000.01695000.01619000.01376000.01382000.01222000.01592000.01407000.01406000.01418000.01355000.01229000.01189000.01202000.0-408000.0905000.0795000.01000000.0-545000.01320000.01037000.0-985000.0363000.01566000.01484000.01538000.01029000.01481000.01431000.01155000.0483000.0966000.0756000.0900000.0582000.0955000.0952000.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2001000.02042000.01766000.01771000.01732000.01871000.01704000.01676000.01695000.01619000.01376000.01382000.01222000.01592000.01407000.01406000.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-67.438-20.532-350.994-35.922-89.741-34.784-70.39-54.431-171.81-79.033-137.236-84.333-43.536-57.154-66.759-34.702-26.511-19.852-72.338-125.066-150.183-196.884-136.705-102.213-81.762-53.928-303.726-52.055-78.479-88.439-152.651-26.227-106.4192.373-0.181-194.874-24.086-52.795-387.4671.825-48.288-8.17-20.711-36.404
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-33.8-10.9-196.3-20.8-54.8-21.2-42.5-32.7-108.0-51.7-89.2-55.0-29.5-40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-67.438-20.532-350.994-35.922-89.741-34.784-70.39-54.431-171.81-79.033-137.236-84.333-43.536-57.154-66.152-34.52
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.199.5
Percentage of Revenues-33.8-10.9-196.3-20.8-54.8-21.2-42.5-32.7-108.0-51.7-89.2-55.0-29.5-40.00.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries-33.8-10.9-196.3-20.8-54.8-21.2-42.5-32.7-108.0-51.7-89.2-55.0-29.5-40.00.00.0

Payments To Acquire Real Estate

us-gaap:PaymentsToAcquireRealEstate

us-gaap:PaymentsToAcquireRealEstate


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value33510639.095418202513158204.034550.466120.652787715811376444129144135764839866.857251083649
Percentage of PaymentsToAcquireRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireRealEstate dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value33510639.095418202513158204.034550.466
Percentage of PaymentsToAcquireRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireRealEstate us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:HvpFiveVenture


Payments
Period End2021-06-292021-03-17
Value3714
Percentage of PaymentsToAcquireRealEstate0.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-51.503-77.887267-43.068-49.912-66.12744-30.692783.634672.408-45.472-9.154-3.361-43.916-48.059-47.983-74.1731318874143402410228254557113-13.43468-30.704-19.2942111630364-17.38723-8.879-17.1714.221
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-25.8-41.2149.5-25.0-30.5-40.326.6-18.449.62.443.81.6-30.8-6.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-51.503-77.887267-43.068-49.912-66.12744-30.692783.634672.408-45.472-9.154-3.361-43.916
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-25.8-41.2149.5-25.0-30.5-40.326.6-18.449.62.443.81.6-30.8-6.40.00.0
Percentage of Revenues cube:CubesmartLPAndSubsidiaries-25.8-41.2149.5-25.0-30.5-40.326.6-18.449.62.443.81.6-30.8-6.40.00.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value68676464646462616060555554544848484837373736272626262019181815141414109.8578.617116.9766.9626.9716.942.4012.312
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsCommonStock dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value70686464646462626060565655554949
Percentage of PaymentsOfDividendsCommonStock103.7101.4101.0101.0101.0101.0101.0101.0101.0101.0101.1101.1101.1101.0101.0101.4

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value26.3724.119.8916.5512.9413.0711.7610.9910.510.35
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeStockOption, cube:Plan2007


Share
Period End2020-12-312019-12-31
Value26.3724.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0

cube:AccretionLiability us-gaap:CounterpartyName, us-gaap:VariableInterestEntitiesByClassificationOfEntity

cube:AccretionLiability

cube:CS2087HempsteadTpkLlc, us-gaap:VariableInterestEntityPrimaryBeneficiary


Accretion
Period End2021-03-31
Value6.2
Percentage of AccretionLiability100.0

cube:CSSevenFiftyWestMerrickRoad, us-gaap:VariableInterestEntityPrimaryBeneficiary


Accretion
Period End2021-03-31
Value7.3
Percentage of AccretionLiability117.7

cube:AccretionOfLiability

cube:AccretionOfLiability


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value2.0662.8233.2012.9240.8960.8961.224-0.6371.2384.073.876.8056.8067.2669.5279.5278.0348.0348.03319-3.7127.8865.5083.9943.8083.6193.621.7861.7851.786
Percentage of AccretionOfLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:AccretionOfLiability dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.0662.8233.2012.9240.8960.8961.224-0.6371.2384.073.876.8056.8067.2669.5279.527
Percentage of AccretionOfLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:AdjustmentsToAdditionalPaidInCapitalAmortizationOfRestrictedStock

cube:AdjustmentsToAdditionalPaidInCapitalAmortizationOfRestrictedStock


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1383000.0705000.01277000.01249000.0710000.01214000.01231000.0798000.0977000.0970000.0865000.0-242000.01012000.01004000.01014000.0-1021000.0911000.0870000.0883000.0-712000.0657000.0545000.0753000.0-789000.0411000.0821000.0-1199000.0149000.01350000.01266000.01323000.0808000.01183000.01137000.0862000.0170000.0608000.0405000.0515000.0149000.0503000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalAmortizationOfRestrictedStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:AdjustmentsToAdditionalPaidInCapitalAmortizationOfRestrictedStock us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1383000.0705000.01277000.01249000.0710000.01214000.01231000.0798000.0977000.0970000.0865000.0-242000.01012000.01004000.01014000.0-1021000.0911000.0870000.0883000.0-712000.0657000.0545000.0753000.0-789000.0411000.0821000.0-1199000.0149000.01350000.01266000.01323000.0808000.01183000.01137000.0862000.0170000.0608000.0405000.0515000.0149000.0503000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalAmortizationOfRestrictedStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1383000.0705000.01277000.01249000.0710000.01214000.01231000.0798000.0977000.0970000.0865000.0-242000.01012000.01004000.01014000.0-1021000.0911000.0870000.0883000.0-712000.0657000.0545000.0753000.0-789000.0411000.0821000.0-1199000.0149000.01350000.01266000.01323000.0808000.01183000.01137000.0862000.0170000.0608000.0405000.0515000.0149000.0503000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalAmortizationOfRestrictedStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingRedeemableNoncontrollingInterest

cube:ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingRedeemableNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-154000.034000.050000.039000.038000.038000.040000.017000.0-41000.0-70000.0-55000.0-74000.0-85000.0-7000.0-88000.0-78000.0-47000.0-57000.0-59000.0-76000.0-268000.0-67000.0142000.0-49000.0-5000.0-13000.07000.0-4000.0
Percentage of ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingRedeemableNoncontrollingInterest dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-154000.034000.050000.039000.038000.038000.040000.017000.0-41000.0-70000.0-55000.0-74000.0-85000.0-7000.0-88000.0-78000.0-47000.0
Percentage of ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:ComprehensiveIncomeNetOfTaxAttributableToRedeemableNoncontrollingInterest

cube:ComprehensiveIncomeNetOfTaxAttributableToRedeemableNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1769000.01550000.0563000.0474000.0389000.0383000.0425000.0426000.0499000.0360000.0525000.0476000.0427000.0383000.0403000.0494000.0432000.0277000.0275000.0300000.0235000.0168000.0519000.0217000.0180000.076000.053000.0138000.088000.059000.0374000.0243000.0140000.0-17000.0-45000.0-83000.0-197000.0-120000.0-468000.0-123000.082000.06000.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:ComprehensiveIncomeNetOfTaxAttributableToRedeemableNoncontrollingInterest dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1769000.01550000.0563000.0474000.0389000.0383000.0425000.0426000.0499000.0360000.0525000.0476000.0427000.0383000.0403000.0494000.0432000.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:DebtInstrumentCovenantConsolidatedInterestCoverageRatio us-gaap:Range, us-gaap:DebtInstrument

cube:DebtInstrumentCovenantConsolidatedInterestCoverageRatio

srt:Minimum, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-31
Value01.50
Percentage of DebtInstrumentCovenantConsolidatedInterestCoverageRatio0.0100.00.0

cube:DebtInstrumentCovenantConsolidatedLeverageRatio us-gaap:Range, us-gaap:DebtInstrument

cube:DebtInstrumentCovenantConsolidatedLeverageRatio

srt:Maximum, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-31
Value060.00
Percentage of DebtInstrumentCovenantConsolidatedLeverageRatio0.0100.00.0

cube:DebtInstrumentCovenantConsolidatedSecuredLeverageRatio us-gaap:Range, us-gaap:DebtInstrument

cube:DebtInstrumentCovenantConsolidatedSecuredLeverageRatio

srt:Maximum, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-31
Value040.00
Percentage of DebtInstrumentCovenantConsolidatedSecuredLeverageRatio0.0100.00.0

cube:DebtInstrumentCovenantFixedChargeCoverageRatio us-gaap:Range, us-gaap:DebtInstrument

cube:DebtInstrumentCovenantFixedChargeCoverageRatio

srt:Minimum, cube:CreditFacility


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value01.50001.5001.5
Percentage of DebtInstrumentCovenantFixedChargeCoverageRatio0.0100.00.00.00.0100.00.00.0100.0

cube:DebtInstrumentCovenantTotalIndebtednessToTotalAssetValueRatio us-gaap:Range, us-gaap:DebtInstrument

cube:DebtInstrumentCovenantTotalIndebtednessToTotalAssetValueRatio

srt:Maximum, cube:CreditFacility


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value060.0059.400.6000.6
Percentage of DebtInstrumentCovenantTotalIndebtednessToTotalAssetValueRatio0.0100.00.0100.00.0100.00.00.0100.0

cube:DebtInstrumentDenominatorForRedemptionPriceAmount us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cube:DebtInstrumentDenominatorForRedemptionPriceAmount

cube:SeniorNotes4.80PercentDueOnJuly152022, us-gaap:SubsequentEvent


Debt
Period End2020-10-30
Value1000.0
Percentage of DebtInstrumentDenominatorForRedemptionPriceAmount100.0

cube:DebtInstrumentRedemptionPriceRatePerThousandDollars us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cube:DebtInstrumentRedemptionPriceRatePerThousandDollars

cube:SeniorNotes4.80PercentDueOnJuly152022, us-gaap:SubsequentEvent


Debt
Period End2020-10-30
Value1084.3
Percentage of DebtInstrumentRedemptionPriceRatePerThousandDollars100.0

cube:DepreciationDepletionAndAmortizationCashFlowImpact

cube:DepreciationDepletionAndAmortizationCashFlowImpact


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value55543838404141444139383535353536373839424239373938383732312827292930323027272216171717
Percentage of DepreciationDepletionAndAmortizationCashFlowImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:DepreciationDepletionAndAmortizationCashFlowImpact dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value55543838404141444139383535353536
Percentage of DepreciationDepletionAndAmortizationCashFlowImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization

cube:Ventures


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9.0088.7138.748.8239.16.4236.2785.9088.4159.506101110
Percentage of EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:EquityMethodInvestmentSummarizedFinancialInformationInterestIncomeExpenseNet us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:EquityMethodInvestmentSummarizedFinancialInformationInterestIncomeExpenseNet

cube:Ventures


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2673000.0-3535000.0-2947000.0-2934000.0-2985000.0-2720000.0-3016000.0-2606000.0-5089000.0-4216000.0-3796000.0-3494000.0-3123000.0
Percentage of EquityMethodInvestmentSummarizedFinancialInformationInterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses

cube:Ventures


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9.4928.6057.4118.4247.9786.9426.3726.5189.082109.639.5839.482
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:EquityMethodInvestmentSummarizedFinancialInformationOtherExpenses us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:EquityMethodInvestmentSummarizedFinancialInformationOtherExpenses

cube:Ventures


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value854000.0-3000.096000.0100000.0121000.0113000.0114000.034000.02936000.0142000.0131000.0242000.0372000.0
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOtherExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:FairValueAdjustmentOfDebt

cube:FairValueAdjustmentOfDebt


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value513000.0607000.0-271000.0176000.0178000.0176000.0177000.0181000.0181000.0179000.0182000.0184000.0186000.0183000.0186000.0148000.096000.0129000.0225000.0409000.0268000.0236000.0256000.0370000.0408000.0395000.0438000.0447000.0
Percentage of FairValueAdjustmentOfDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:FairValueAdjustmentOfDebt dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value513000.0607000.0-271000.0176000.0178000.0176000.0177000.0181000.0181000.0179000.0182000.0184000.0186000.0183000.0186000.0148000.0
Percentage of FairValueAdjustmentOfDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:FinanceLeaseNonCashPortionOfInterestExpense

cube:FinanceLeaseNonCashPortionOfInterestExpense


Finance
Period End2021-06-302021-03-31
Value88000.0111000.0
Percentage of FinanceLeaseNonCashPortionOfInterestExpense100.0100.0

cube:FinanceLeaseNonCashPortionOfInterestExpense dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Finance
Period End2021-06-302021-03-31
Value88000.0111000.0
Percentage of FinanceLeaseNonCashPortionOfInterestExpense100.0100.0

cube:IncreaseDecreaseInOperatingLeaseLiability cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

cube:IncreaseDecreaseInOperatingLeaseLiability

cube:SelfStorageFacilityInBronxNewYorkOne, cube:RealEstateAcquisitions2020


Increase
Period End2020-07-31
Value5000000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiability100.0

cube:IncreaseDecreaseInOperatingLeaseLiability us-gaap:StatementGeographical

stpr:NY


Increase
Period End2020-07-20
Value-5000000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiability0.0

cube:IncreaseDecreaseInRightOfUseAssetOperatingLease cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

cube:IncreaseDecreaseInRightOfUseAssetOperatingLease

cube:SelfStorageFacilityInBronxNewYorkOne, cube:RealEstateAcquisitions2020


Increase
Period End2020-07-31
Value5100000.0
Percentage of IncreaseDecreaseInRightOfUseAssetOperatingLease100.0

cube:IncreaseDecreaseInRightOfUseAssetOperatingLease us-gaap:StatementGeographical

stpr:NY


Increase
Period End2020-07-20
Value-5100000.0
Percentage of IncreaseDecreaseInRightOfUseAssetOperatingLease0.0

cube:NetIncomeLossAttributableToParentIncludingNoncontrollingInterestInOperatingPartnership dei:LegalEntity

cube:NetIncomeLossAttributableToParentIncludingNoncontrollingInterestInOperatingPartnership

cube:CubesmartLPAndSubsidiaries


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value504347383842493543
Percentage of NetIncomeLossAttributableToParentIncludingNoncontrollingInterestInOperatingPartnership100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:NoncashOrPartNoncashAcquisitionIssuanceOfOPUnits

cube:NoncashOrPartNoncashAcquisitionIssuanceOfOPUnits


Noncash
Period End2020-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1770.01.460.04.7820.00.0
Percentage of NoncashOrPartNoncashAcquisitionIssuanceOfOPUnits100.00.0100.00.0100.00.00.0

cube:NoncashOrPartNoncashAcquisitionIssuanceOfOPUnits dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Noncash
Period End2020-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1770.01.460.04.7820.00.0
Percentage of NoncashOrPartNoncashAcquisitionIssuanceOfOPUnits100.00.0100.00.0100.00.00.0

cube:OperatingLeaseAndFinanceLeasePayments

cube:OperatingLeaseAndFinanceLeasePayments


Operating
Period End2021-06-302020-06-30
Value1080000.0577000.0
Percentage of OperatingLeaseAndFinanceLeasePayments100.0100.0

cube:OptionToCallOwnershipInterestOfAnother us-gaap:CounterpartyName, us-gaap:VariableInterestEntitiesByClassificationOfEntity

cube:OptionToCallOwnershipInterestOfAnother

cube:CS2087HempsteadTpkLlc, us-gaap:VariableInterestEntityPrimaryBeneficiary


Option
Period End2021-03-31
Value6.6
Percentage of OptionToCallOwnershipInterestOfAnother100.0

cube:CSSevenFiftyWestMerrickRoad, us-gaap:VariableInterestEntityPrimaryBeneficiary


Option
Period End2021-03-31
Value17
Percentage of OptionToCallOwnershipInterestOfAnother259.1

cube:OptionToPutOwnershipInterestInVenture us-gaap:CounterpartyName, us-gaap:VariableInterestEntitiesByClassificationOfEntity

cube:OptionToPutOwnershipInterestInVenture

cube:CS2087HempsteadTpkLlc, us-gaap:VariableInterestEntityPrimaryBeneficiary


Option
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value6.60.00.06.60.00.0
Percentage of OptionToPutOwnershipInterestInVenture100.00.00.0100.00.00.0

cube:CSSevenFiftyWestMerrickRoad, us-gaap:VariableInterestEntityPrimaryBeneficiary


Option
Period End2021-03-31
Value17
Percentage of OptionToPutOwnershipInterestInVenture259.1

cube:OtherComprehensiveIncomeLossNetOfTaxAttributableToTemporaryEquity cube:TemporaryEquity

cube:OtherComprehensiveIncomeLossNetOfTaxAttributableToTemporaryEquity

cube:TemporaryEquity


Other
Period End2021-06-302021-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1000.01000.02000.0-10000.001000.03000.04000.04000.05000.09000.016000.017000.08000.0-4000.034000.0-6000.019000.0-15000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxAttributableToTemporaryEquity100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:OtherComprehensiveIncomeLossNetOfTaxAttributableToTemporaryEquity cube:TemporaryEquity, dei:LegalEntity

cube:TemporaryEquity, cube:CubesmartLPAndSubsidiaries


Other
Period End2021-06-302021-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1000.01000.02000.0-10000.001000.03000.04000.04000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxAttributableToTemporaryEquity100.0100.0100.0100.00.0100.0100.0100.0100.0

cube:OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity

cube:OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value19000.019000.020000.020000.020000.020000.020000.0240000.0-1029000.00126000.0276000.0366000.0303000.0357000.0827000.01397000.01376000.0679000.0-324000.03880000.0-454000.01464000.0-1086000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity cube:TemporaryEquity

cube:TemporaryEquity


Other
Period End2021-03-31
Value1000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity5.3

cube:OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19000.019000.020000.020000.020000.020000.020000.0240000.0-1029000.00126000.0276000.0366000.0303000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

cube:OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19000.019000.020000.020000.020000.020000.020000.0240000.0-1029000.00-279000.0276000.0366000.0303000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity100.0100.0100.0100.0100.0100.0100.0100.0100.00.0-221.4100.0100.0100.0

cube:CubesmartLPAndSubsidiaries, us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19000.019000.020000.020000.020000.020000.020000.0240000.0-1029000.00126000.0276000.0366000.0303000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

cube:OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value19000.019000.020000.020000.020000.020000.020000.0240000.0-1029000.00-279000.0276000.0366000.0303000.0357000.0827000.01397000.01376000.0679000.0-324000.03846000.0-446000.01457000.0-1076000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity100.0100.0100.0100.0100.0100.0100.0100.0100.00.0-221.4100.0100.0100.0100.0100.0100.0100.0100.0100.099.198.299.599.1

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value19000.019000.020000.020000.020000.020000.020000.0240000.0-1029000.00126000.0276000.0366000.0303000.0357000.0827000.01397000.01376000.0679000.0-324000.03846000.0-446000.01457000.0-1076000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.198.299.599.1

cube:OtherComprehensiveIncomeLossReclassificationAdjustmentOnInterestRateSwapAgreementsIncludedInNetIncomeNetOfTax

cube:OtherComprehensiveIncomeLossReclassificationAdjustmentOnInterestRateSwapAgreementsIncludedInNetIncomeNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value20000.020000.021000.020000.020000.020000.020000.020000.020000.010000.000-279000.0219000.0302000.0317000.0366000.0695000.0883000.0935000.01268000.01326000.01550000.01576000.01572000.01565000.01615000.01616000.01601000.01576000.01599000.01582000.01554000.01531000.01557000.01529000.01512000.0688000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentOnInterestRateSwapAgreementsIncludedInNetIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:OtherComprehensiveIncomeLossReclassificationAdjustmentOnInterestRateSwapAgreementsIncludedInNetIncomeNetOfTax dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value20000.020000.021000.020000.020000.020000.020000.020000.020000.010000.000-279000.0219000.0302000.0317000.0366000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentOnInterestRateSwapAgreementsIncludedInNetIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0

cube:OtherNonoperatingIncomeExpenseNet

cube:OtherNonoperatingIncomeExpenseNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-19431000.0-19572000.0-31301000.0-19729000.0-20085000.0-18821000.0-17602000.0-17095000.0-8556000.0-18045000.0-6471000.0-16294000.0-16149000.0-15614000.0-15653000.0-14570000.0-14696000.0-15185000.0-14651000.0-14420000.0-12634000.0-12871000.05945000.0-11085000.0-11835000.0-12157000.0-12271000.0-14535000.0-14718000.0-16053000.0-12819000.0-11023000.0-13015000.0-11031000.0-12145000.0-6413000.0-11024000.0-10965000.0-18944000.0-9947000.0-11840000.0-9852000.0-10597000.0-11420000.0
Percentage of OtherNonoperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:OtherNonoperatingIncomeExpenseNet dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-19431000.0-19572000.0-31301000.0-19729000.0-20085000.0-18821000.0-17602000.0-17095000.0-8556000.0-18045000.0-6471000.0-16294000.0-16149000.0-15614000.0-15653000.0-14570000.0-14696000.0
Percentage of OtherNonoperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:PartnersCapitalAccountAmortizationOfRestrictedUnits dei:LegalEntity

cube:PartnersCapitalAccountAmortizationOfRestrictedUnits

cube:CubesmartLPAndSubsidiaries


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1383000.0705000.01277000.01249000.0710000.01214000.01231000.0798000.0977000.0970000.0865000.0-242000.01012000.01004000.0
Percentage of PartnersCapitalAccountAmortizationOfRestrictedUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:PartnersCapitalAccountAmortizationOfRestrictedUnits dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1383000.0705000.01277000.01249000.0710000.01214000.01231000.0798000.0977000.0970000.0865000.0-242000.01012000.01004000.0
Percentage of PartnersCapitalAccountAmortizationOfRestrictedUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:CubesmartLPAndSubsidiaries, us-gaap:Parent


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1383000.0705000.01277000.01249000.0710000.01214000.01231000.0798000.0977000.0970000.0865000.0-242000.01012000.01004000.0
Percentage of PartnersCapitalAccountAmortizationOfRestrictedUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:PartnersCapitalAccountOptionUnitExercise dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:PartnersCapitalAccountOptionUnitExercise

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value189000.092000.018000.014000.0154000.085000.0140000.006000.0399000.0299000.089000.0
Percentage of PartnersCapitalAccountOptionUnitExercise100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

cube:PartnersCapitalAccountRestrictedUnitsUnitIssued dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:PartnersCapitalAccountRestrictedUnitsUnitIssued

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value31000.032000.01000.028000.030000.01000.031000.019000.01000.01000.020000.064000.002000.0
Percentage of PartnersCapitalAccountRestrictedUnitsUnitIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

cube:PaymentsForAdditionsAndImprovementsToRealEstate

cube:PaymentsForAdditionsAndImprovementsToRealEstate


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value107.8947.8891118119.04912106.1538.4526.5157.2655.3945.6177.5298.956.8667.8999.8116.6526.6096.3596.4626.9264.9487.0974.3893.3695.1126.6234.2985.174.2296.147.0685.723.467
Percentage of PaymentsForAdditionsAndImprovementsToRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:PaymentsForAdditionsAndImprovementsToRealEstate dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value107.8947.8891118119.04912106.1538.4526.5157.2655.3944.8937.115
Percentage of PaymentsForAdditionsAndImprovementsToRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.087.194.5

cube:PaymentsOfMortgageLoansAndNotesPayable

cube:PaymentsOfMortgageLoansAndNotesPayable


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value0.56844440.6360.6290.6330.6259.6420.6840.7010.6790.6580.6487.8310.6440.6220.5896.8110.612224.1039.5567.97621541.283197.9361.3441.309148.5111.58429301687.7811.4881.416341.58883
Percentage of PaymentsOfMortgageLoansAndNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:PaymentsOfMortgageLoansAndNotesPayable dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.56844440.6360.6290.6330.6259.6420.6840.7010.6790.6580.6487.8310.6440.622
Percentage of PaymentsOfMortgageLoansAndNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:PaymentsToAcquireNoncontrollingInterests us-gaap:StatementGeographical

cube:PaymentsToAcquireNoncontrollingInterests

stpr:NY


Payments
Period End2020-09-29
Value10.0
Percentage of PaymentsToAcquireNoncontrollingInterests100.0

cube:PaymentsToMinorityShareholdersInOperatingPartnership

cube:PaymentsToMinorityShareholdersInOperatingPartnership


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2504000.0933000.0623000.0618000.0649000.0650000.0596000.0597000.0603000.0623000.0614000.0602000.0614000.0563000.0507000.0668000.0548000.0549000.0467000.0467000.0453000.0454000.0354000.0362000.0361000.0361000.0294000.0294000.0294000.0296000.0245000.0218000.0288000.0362000.0352000.0353000.0375000.0374000.0321000.0304000.0365000.0332000.0120000.0
Percentage of PaymentsToMinorityShareholdersInOperatingPartnership100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:PrepaymentPenaltyOnEarlyExtinguishmentOfDebt dei:LegalEntity

cube:PrepaymentPenaltyOnEarlyExtinguishmentOfDebt

cube:CubesmartLPAndSubsidiaries


Prepayment
Period End2020-10-30
Value17
Percentage of PrepaymentPenaltyOnEarlyExtinguishmentOfDebt100.0

cube:ProceedsFromIssuanceOfGeneralPartnersUnits dei:LegalEntity

cube:ProceedsFromIssuanceOfGeneralPartnersUnits

cube:CubesmartLPAndSubsidiaries


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4299120-0.044-0.07-0.118-0.0296111024231295-0.04329-0.041
Percentage of ProceedsFromIssuanceOfGeneralPartnersUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:ProceedsFromUnitOptionsExercised dei:LegalEntity

cube:ProceedsFromUnitOptionsExercised

cube:CubesmartLPAndSubsidiaries


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.0751.1720.3350.4910.021.6550.9621.0490.00.0523.7810.0021.4990.771
Percentage of ProceedsFromUnitOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

cube:RealEstatePropertyAcquisitionLandSubjectToGroundLease cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

cube:RealEstatePropertyAcquisitionLandSubjectToGroundLease

cube:SelfStorageFacilityInBronxNewYorkOne, cube:RealEstateAcquisitions2020


Real
Period End2020-07-31
Value9500000.0
Percentage of RealEstatePropertyAcquisitionLandSubjectToGroundLease100.0

cube:RelatedPartyTransactionAcquisitionFees us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

cube:RelatedPartyTransactionAcquisitionFees

cube:Ventures, cube:RealEstateInvestmentsRelatedJointVentures


Related
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value500000.0200000.000700000.01700000.0200000.00100000.0200000.0300000.0
Percentage of RelatedPartyTransactionAcquisitionFees100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0

cube:RelatedPartyTransactionManagementFees us-gaap:RelatedPartyTransactionsByRelatedParty

cube:RelatedPartyTransactionManagementFees

cube:RealEstateInvestmentsRelatedJointVentures


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1200000.01000000.01000000.01000000.01000000.0900000.0900000.0700000.01100000.01200000.03300000.01200000.01100000.01000000.01100000.0900000.0900000.0900000.0900000.0800000.0700000.0500000.0300000.0200000.0200000.0200000.0
Percentage of RelatedPartyTransactionManagementFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:StockIssuedDuringPeriodOperatingUnits cube:TemporaryEquity

cube:StockIssuedDuringPeriodOperatingUnits

cube:TemporaryEquity


Stock
Period End2020-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-30
Value9.00.01.460.04.7820.00.00.00.00.00.0
Percentage of StockIssuedDuringPeriodOperatingUnits100.00.0100.00.0100.00.00.00.00.00.00.0

cube:StockIssuedDuringPeriodOperatingUnits cube:TemporaryEquity, dei:LegalEntity

cube:TemporaryEquity, cube:CubesmartLPAndSubsidiaries


Stock
Period End2020-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9.00.01.460.04.7820.00.0
Percentage of StockIssuedDuringPeriodOperatingUnits100.00.0100.00.0100.00.00.0

cube:StockIssuedDuringPeriodOperatingUnits us-gaap:StatementGeographical, us-gaap:SubsequentEventType

stpr:NY, us-gaap:SubsequentEvent


Stock
Period End2020-10-21
Value183
Percentage of StockIssuedDuringPeriodOperatingUnits0.0

us-gaap:BusinessCombinationConsiderationTransferred1 cube:ScheduleOfRealEstateInvestmentProperty

us-gaap:BusinessCombinationConsiderationTransferred1

cube:SelfStorageFacilityInEastMeadowNewYork


Business
Period End2021-06-29
Value6.6
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationConsiderationTransferred1 cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:Ownership

cube:SelfStorageFacilityInBrooklynNewYorkOne, cube:JointVenture


Business
Period End2020-09-29
Value10.0
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:PropertyPlantAndEquipmentByType, us-gaap:SubsequentEventType

us-gaap:RealEstate, us-gaap:SubsequentEvent


Business
Period End2020-10-31
Value89
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:StatementGeographical

stpr:NY


Business
Period End2020-09-29
Value10.0
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:StatementGeographical, us-gaap:SubsequentEventType

stpr:NY, us-gaap:SubsequentEvent


Business
Period End2020-10-21
Value540
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.340.340.330.330.320.320.320.30.30.3
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

cube:CreditFacility, cube:UnsecuredCreditFacilityRevolver


Debt
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value1.10.0110.01250.01250.01250.01250.013
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred

us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred


Derivative
Period End2021-06-302021-03-312020-12-31
Value0100000.00
Percentage of DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred0.0100.00.0

us-gaap:DistributionsPayableToRealEstatePartnerships

us-gaap:DistributionsPayableToRealEstatePartnerships


Distributions
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-31
Value-5085000.0-6664000.0-1108000.0-6000.0-31000.0-5877000.0-3706000.0-3392000.0-3059000.0-107000.0-62000.0-5007000.0-3827000.0-10320000.0-110000.0-68000.0-7000.0-116000.0-4265000.0-325000.0-2088000.0-5498000.0-200000.0-600000.0-700000.0-1050000.0
Percentage of DistributionsPayableToRealEstatePartnerships100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DistributionsPayableToRealEstatePartnerships dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Distributions
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-5085000.0-6664000.0-1108000.0-6000.0-31000.0-5877000.0-3706000.0-3392000.0-3059000.0-107000.0-62000.0-5007000.0-3827000.0-10320000.0-110000.0-68000.0
Percentage of DistributionsPayableToRealEstatePartnerships100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value686864646462616060555554544848484837373736272626262019181815141414101110108.1288.128.1058.0953.551
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock cube:TemporaryEquity

cube:TemporaryEquity


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2.4772.5040.620.6180.650.5970.5970.6040.6230.6140.6010.6140.5630.5070.6670.5480.5490.4670.4660.4530.4540.3530.3630.3610.3630.2920.2940.2940.2960.2510.2510.2510.3610.3530.350.3740.3730.3310.3330.3310.332
Percentage of DividendsCommonStock3.63.71.01.01.01.01.01.01.01.11.11.11.01.01.41.11.11.21.21.21.21.31.41.41.41.51.51.61.61.71.71.72.53.33.23.43.44.14.14.14.1

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value686864646462616060555554544848484837373736272626262019181815141414109.8599.8349.8136.9696.9726.966.9492.395
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.096.589.589.589.585.785.985.985.867.4

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value686864646462616060555554544848484837373736272626262019181815141414109.8599.8349.8136.9696.9726.966.9492.395
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.096.589.589.589.585.785.985.985.867.4

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss

cube:Ventures


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2.027-0.979-2.659-3.387-1.593-1.503-1.039102-0.824-1.041-1.079-1.055
Percentage of EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRevenue us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRevenue

cube:Ventures


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value181817161414142123232322
Percentage of EquityMethodInvestmentSummarizedFinancialInformationRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:DebtInstrument

us-gaap:ExtinguishmentOfDebtAmount

cube:SeniorNotes4.80PercentDueOnJuly152022


Extinguishment
Period End2020-10-31
Value250
Percentage of ExtinguishmentOfDebtAmount100.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cube:SeniorNotes4.80PercentDueOnJuly152022, us-gaap:SubsequentEvent


Extinguishment
Period End2020-10-30
Value250
Percentage of ExtinguishmentOfDebtAmount0.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-31
Value533000.0526000.0
Percentage of FinanceLeaseInterestExpense100.0100.0

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeaseInterestPaymentOnLiability


Finance
Period End2021-06-302021-03-31
Value445000.0400000.0
Percentage of FinanceLeaseInterestPaymentOnLiability100.0100.0

us-gaap:GainLossOnSaleOfProperties cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:GainLossOnSaleOfProperties

cube:SelfStorageFacilitiesInNewYork, cube:Dispositions2020


Gain
Period End2020-12-22
Value6.7
Percentage of GainLossOnSaleOfProperties100.0

us-gaap:GainLossOnSaleOfProperties us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType

stpr:NY, cube:Dispositions2020


Gain
Period End2020-12-22
Value6.7
Percentage of GainLossOnSaleOfProperties100.0

us-gaap:IncomeLossAttributableToParent dei:LegalEntity

us-gaap:IncomeLossAttributableToParent

cube:CubesmartLPAndSubsidiaries


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value484142463837424249354842
Percentage of IncomeLossAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.3160.020.394-0.037-0.174-0.0050.1820.152100.261-0.08-0.292-0.309-0.184-0.081-0.28-0.253-0.772-0.845-0.581-0.724-0.512-0.2120.139-0.1-0.238-1.297-1.86-1.729-1.3690.0-0.284-0.21-0.251-0.257-0.024
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.3160.020.394-0.037-0.174-0.0050.1820.152100.261-0.08-0.292-0.309-0.184-0.081-0.28-0.253
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:Ventures


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.3160.020.394-0.037-0.174-0.0050.1820.152100.261-0.08-0.292-0.309
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity

us-gaap:IncomeLossIncludingPortionAttributableToNoncontrollingInterest

cube:CubesmartLPAndSubsidiaries


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value504342473838424249354843
Percentage of IncomeLossIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value21-1.675-7.932-2.08627-3.743-13.294-0.073171.806-8.1680.50515-5.558-7.7425.815102.595-9.699110.8785.013-6.5242.786.705-3.3990.1684.7214.61-6.83.0130.4527.499-6.4-0.4959.8121.371-3.789-2.1964.2184.596-3.984-3.4615.08
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value21-1.675-7.932-2.08627-3.743-13.294-0.073171.806-8.1680.50515-5.558-7.7425.815
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value101.7182.717.2882.419-2.743-1.5165.706-0.8243.212-0.8281.5832.831.352-0.3734.3753.4121.431-2.9033.2034.438-0.808-0.758-0.6194.032-0.136-1.744-0.4173.5-2.147-0.604-0.3733.025-0.89210-2.549-7.1081.235-1.787-1.4513.170.091-0.596-1.658
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value101.7182.717.2882.419-2.743-1.5165.706-0.8243.212-0.8281.5832.831.3520.3514.789
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-94.1109.5

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1502000.01889000.0-239000.0817000.0996000.0340000.0-453000.0361000.01080000.0833000.0-898000.0-651000.0786000.01105000.0-249000.0-207000.0701000.0909000.0-122000.0-89000.0999000.0661000.063000.0-100000.0802000.0715000.0-366000.0-368000.0666000.0647000.0-172000.078000.0368000.0821000.099000.0-746000.027000.0774000.0-885000.0-22000.0-81000.0310000.0-70000.0-158000.0
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1502000.01889000.0-239000.0817000.0996000.0340000.0-453000.0361000.01080000.0833000.0-898000.0-651000.0786000.01105000.0-249000.0-207000.0
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:InterestExpenseDebtExcludingAmortization


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value191919181818181818171615
Percentage of InterestExpenseDebtExcludingAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDebtExcludingAmortization dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value191919181818181818171615
Percentage of InterestExpenseDebtExcludingAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1922000.01895000.01035000.0972000.01021000.01054000.01066000.01043000.01146000.01276000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityCommitmentFeePercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityCommitmentFeePercentage

cube:CreditFacility, cube:UnsecuredCreditFacilityRevolver


Line
Period End2021-06-302021-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-04-222015-04-21
Value00.150.00150000.0015000.00150.002
Percentage of LineOfCreditFacilityCommitmentFeePercentage0.0100.0100.00.00.00.0100.00.00.0100.0100.0

us-gaap:MinorityInterestChangeInRedemptionValue

us-gaap:MinorityInterestChangeInRedemptionValue


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-63.025-32.102-2.23-9.312-0.6157.976-2.894-2.713-6.681-0.5337.388-8.3231.169-5.721-5.0375.4081.3850.9847.8734.604-6.073-7.453-9.2532.069-4.982-9.5430.612-2.829-3.0014.394-4.25-0.521-2.915-7.59-5.8580.312-6.384-8.5916.814-0.29-5.015
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestChangeInRedemptionValue cube:TemporaryEquity

cube:TemporaryEquity


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value63329.3120.615-7.9762.8942.7136.6810.533-7.3888.323-1.1695.7215.037-5.408-1.385-0.984-7.873-4.6046.0737.4539.253-2.0694.9829.543-0.6122.8293.001-4.3944.250.5212.9157.595.858-0.3126.3848.591-6.8140.295.015
Percentage of MinorityInterestChangeInRedemptionValue-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

us-gaap:MinorityInterestChangeInRedemptionValue cube:TemporaryEquity, dei:LegalEntity

cube:TemporaryEquity, cube:CubesmartLPAndSubsidiaries


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value63329.3120.615-7.9762.8942.7136.6810.533-7.3888.323-1.1695.7215.037
Percentage of MinorityInterestChangeInRedemptionValue-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

us-gaap:MinorityInterestChangeInRedemptionValue dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-63.025-32.102-9.312-0.6157.976-2.894-2.713-6.681-0.5337.388-8.3231.169-5.721-5.037
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestChangeInRedemptionValue dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-63.025-32.102-9.312-0.6157.976-2.894-2.713-6.681-0.5337.388-8.3231.169-5.721-5.037
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:CubesmartLPAndSubsidiaries, us-gaap:Parent


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-63.025-32.102-9.312-0.6157.976-2.894-2.713-6.681-0.5337.388-8.3231.169-5.721-5.037
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestChangeInRedemptionValue us-gaap:StatementEquityComponents

us-gaap:Parent


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-63.025-32.102-9.312-0.6157.976-2.894-2.713-6.681-0.5337.388-8.3231.169-5.721-5.0375.4081.3850.9847.8734.604-6.073-7.453-9.2532.069-4.982-9.5430.612-2.829-3.0014.394-4.25-0.521-2.915-7.59-5.8580.312-6.384-8.5916.814-0.29-5.015
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-63.025-32.102-9.312-0.6157.976-2.894-2.713-6.681-0.5337.388-8.3231.169-5.721-5.0375.4081.3850.9847.8734.604-6.073-7.453-9.2532.069-4.982-9.5430.612-2.829-3.0014.394-4.25-0.521-2.915-7.59-5.8580.312-6.384-8.5916.814-0.29-5.015
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest dei:LegalEntity

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

cube:CubesmartLPAndSubsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-154000.034000.050000.039000.038000.038000.040000.017000.0-41000.0-70000.0-55000.0-74000.0
Percentage of NetIncomeLossAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value48414638374249354842383439373224262420153718138.4315.4858.485
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4841463837424935484238343937
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4841463837424935484238343937
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.399.999.999.999.9100.0100.1100.2100.1100.2100.2100.0100.2100.2

cube:CubesmartLPAndSubsidiaries, us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.1540.0340.0390.0380.0380.017-0.041-0.07-0.055-0.074-0.085-0.007-0.088-0.078
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest-0.30.10.10.10.10.0-0.1-0.2-0.1-0.2-0.2-0.0-0.2-0.2

cube:CubesmartLPAndSubsidiaries, us-gaap:Parent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4841463837424935484238343937
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.399.999.999.999.9100.0100.1100.2100.1100.2100.2100.0100.2100.2

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-0.1540.0340.0390.0380.0380.017-0.041-0.07-0.055-0.074-0.085-0.007-0.088-0.078-0.047-0.057-0.059-0.076-0.268-0.0670.14-0.041-0.012-0.0030.0020.005
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest-0.30.10.10.10.10.0-0.1-0.2-0.1-0.2-0.2-0.0-0.2-0.2-0.1-0.2-0.2-0.3-1.3-0.40.4-0.2-0.1-0.00.00.1

us-gaap:Parent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value48414638374249354842383439373224262420153718138.4345.4838.48
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.399.999.999.999.9100.0100.1100.2100.1100.2100.2100.0100.2100.2100.1100.2100.2100.3101.3100.499.6100.2100.1100.0100.099.9

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value48414638374249354842383439373224262420153718138.4345.4838.48
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.399.999.999.999.9100.0100.1100.2100.1100.2100.2100.0100.2100.2100.1100.2100.2100.3101.3100.499.6100.2100.1100.0100.099.9

us-gaap:NetIncomeLossPerOutstandingGeneralPartnershipUnitNetOfTax dei:LegalEntity

us-gaap:NetIncomeLossPerOutstandingGeneralPartnershipUnitNetOfTax

cube:CubesmartLPAndSubsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.240.210.210.240.20.20.220.220.260.190.260.230.210.190.210.210.18
Percentage of NetIncomeLossPerOutstandingGeneralPartnershipUnitNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1768000.01549000.0579000.0474000.0389000.0383000.0425000.0426000.0499000.0358000.0535000.0476000.0426000.0383000.0399000.0490000.0427000.0277000.0259000.0283000.0227000.0172000.0485000.0223000.0161000.091000.057000.0106000.095000.0
Percentage of NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1768000.01549000.0579000.0474000.0389000.0383000.0425000.0426000.0499000.0358000.0535000.0476000.0426000.0383000.0399000.0490000.0427000.0
Percentage of NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable

us-gaap:NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-154000.034000.050000.039000.038000.038000.040000.017000.0-41000.0-70000.0-55000.0-74000.0-85000.0-7000.0-88000.0-78000.0-47000.0-57000.0-59000.0-76000.0-268000.0-67000.0140000.0-41000.0-12000.0-3000.02000.05000.012000.0-3000.0-43000.02000.00-1000.0
Percentage of NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance


Noncontrolling
Period End2021-06-302019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value5.1042.5484.8280.0080.0740.1050.7380.3410.1720.1350.410.3520.0510.00.00.00.1780.0470.0470.0330.515
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Noncontrolling
Period End2021-06-302019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5.1042.5484.8280.0080.0740.1050.7380.3410.172
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5.1042.5484.8280.0080.0740.1050.7380.3410.172
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value5.1042.5484.8280.0080.0740.1050.7380.3410.1720.1350.410.3520.0510.00.00.00.1780.0470.0470.0330.515
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value822000.0822000.0689000.0674000.0746000.0746000.0746000.0749000.0829000.0980000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value170162153146140140142142136131133132
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value170162153146140140142142136131133132
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value635000.0500000.0500000.0600000.0600000.0600000.0600000.0700000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OperatingLeaseVariableLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value5.04.85.05.14.55.45.65.95.6
Percentage of OperatingLeaseVariableLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value20000.020000.021000.020000.020000.020000.020000.020000.0504000.0-242000.01039000.00-127000.0-279000.0-370000.0-307000.0-362000.0-836000.0-1413000.0-1393000.0-687000.0328000.0-2648000.0245000.0-1215000.0764000.080000.0-2598000.0646000.0-592000.0-1649000.01118000.0-7149000.0-1222000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-20000.0-20000.0-21000.0-20000.0-20000.0-20000.0-20000.0-20000.0-20000.0-242000.01039000.00-127000.0-279000.0-370000.0-307000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-4.0100.0100.00.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountContributions dei:LegalEntity

us-gaap:PartnersCapitalAccountContributions

cube:CubesmartLPAndSubsidiaries


Partners
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value42996111024231295
Percentage of PartnersCapitalAccountContributions100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountContributions dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value42996111024231295
Percentage of PartnersCapitalAccountContributions100.0100.0100.0100.0100.0100.0100.0100.0

cube:CubesmartLPAndSubsidiaries, us-gaap:Parent


Partners
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value42996111024231295
Percentage of PartnersCapitalAccountContributions100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountDistributions cube:TemporaryEquity, dei:LegalEntity

us-gaap:PartnersCapitalAccountDistributions

cube:TemporaryEquity, cube:CubesmartLPAndSubsidiaries


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.4772.5040.620.6180.650.5970.5970.6040.6230.6140.6010.6140.5630.507
Percentage of PartnersCapitalAccountDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountDistributions dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6868646464626160605555545448
Percentage of PartnersCapitalAccountDistributions2777.72729.610337.410369.19852.210393.310289.99995.99631.69116.09291.58921.89721.79642.2

us-gaap:PartnersCapitalAccountDistributions dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6868646464626160605555545448
Percentage of PartnersCapitalAccountDistributions2777.72729.610337.410369.19852.210393.310289.99995.99631.69116.09291.58921.89721.79642.2

cube:CubesmartLPAndSubsidiaries, us-gaap:Parent


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6868646464626160605555545448
Percentage of PartnersCapitalAccountDistributions2777.72729.610337.410369.19852.210393.310289.99995.99631.69116.09291.58921.89721.79642.2

us-gaap:PartnersCapitalAccountExchangesAndConversions cube:TemporaryEquity, dei:LegalEntity

us-gaap:PartnersCapitalAccountExchangesAndConversions

cube:TemporaryEquity, cube:CubesmartLPAndSubsidiaries


Partners
Period End2021-06-302021-03-312020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value-3.549-1.913-2.824-0.644-1.842-3.0620.0-1.3420.0-15.681
Percentage of PartnersCapitalAccountExchangesAndConversions100.0100.0100.0100.0100.0100.00.0100.00.0100.0

us-gaap:PartnersCapitalAccountExchangesAndConversions dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Partners
Period End2021-06-302021-03-312020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value3.5491.9132.8240.6441.8423.0620.01.3420.015
Percentage of PartnersCapitalAccountExchangesAndConversions-100.0-100.0-100.0-100.0-100.0-100.00.0-100.00.0-100.0

us-gaap:PartnersCapitalAccountExchangesAndConversions dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2021-06-302021-03-312020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value3.5491.9132.8240.6441.8423.0620.01.3420.015
Percentage of PartnersCapitalAccountExchangesAndConversions-100.0-100.0-100.0-100.0-100.0-100.00.0-100.00.0-100.0

cube:CubesmartLPAndSubsidiaries, us-gaap:Parent


Partners
Period End2021-06-302021-03-312020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value3.5491.9132.8240.6441.8423.0620.01.3420.015
Percentage of PartnersCapitalAccountExchangesAndConversions-100.0-100.0-100.0-100.0-100.0-100.00.0-100.00.0-100.0

us-gaap:PartnersCapitalAccountOptionExercise dei:LegalEntity

us-gaap:PartnersCapitalAccountOptionExercise

cube:CubesmartLPAndSubsidiaries


Partners
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.0751.1720.4910.1351.6550.9621.0490.00.0523.7810.0021.4990.771
Percentage of PartnersCapitalAccountOptionExercise100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountOptionExercise dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.0751.1720.4910.1351.6550.9621.0490.00.0523.7810.0021.4990.771
Percentage of PartnersCapitalAccountOptionExercise100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

cube:CubesmartLPAndSubsidiaries, us-gaap:Parent


Partners
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.0751.1720.4910.1351.6550.9621.0490.00.0523.7810.0021.4990.771
Percentage of PartnersCapitalAccountOptionExercise100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountRedemptions dei:LegalEntity

us-gaap:PartnersCapitalAccountRedemptions

cube:CubesmartLPAndSubsidiaries


Partners
Period End2020-09-302020-06-302020-03-312018-03-312017-09-30
Value0.0440.070.1180.0440.041
Percentage of PartnersCapitalAccountRedemptions100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountRedemptions dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2020-09-302020-06-302020-03-312018-03-312017-09-30
Value0.0440.070.1180.0440.041
Percentage of PartnersCapitalAccountRedemptions100.0100.0100.0100.0100.0

cube:CubesmartLPAndSubsidiaries, us-gaap:Parent


Partners
Period End2020-09-302020-06-302020-03-312018-03-312017-09-30
Value0.0440.070.1180.0440.041
Percentage of PartnersCapitalAccountRedemptions100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountUnitBasedCompensation dei:LegalEntity

us-gaap:PartnersCapitalAccountUnitBasedCompensation

cube:CubesmartLPAndSubsidiaries


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value544000.0609000.0479000.0464000.0530000.0440000.0439000.0468000.0387000.0387000.0344000.0423000.0383000.0384000.0
Percentage of PartnersCapitalAccountUnitBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountUnitBasedCompensation dei:LegalEntity, us-gaap:PartnerCapitalComponents

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value544000.0609000.0479000.0464000.0530000.0440000.0439000.0468000.0387000.0387000.0344000.0423000.0383000.0384000.0
Percentage of PartnersCapitalAccountUnitBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:CubesmartLPAndSubsidiaries, us-gaap:Parent


Partners
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value544000.0609000.0479000.0464000.0530000.0440000.0439000.0468000.0387000.0387000.0344000.0423000.0383000.0384000.0
Percentage of PartnersCapitalAccountUnitBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountUnitsContributed dei:LegalEntity, us-gaap:PartnerCapitalComponents

us-gaap:PartnersCapitalAccountUnitsContributed

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value1.0462.8371.7733.3530.7730.423.134
Percentage of PartnersCapitalAccountUnitsContributed100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountUnitsConverted dei:LegalEntity, us-gaap:PartnerCapitalComponents

us-gaap:PartnersCapitalAccountUnitsConverted

cube:CubesmartLPAndSubsidiaries, us-gaap:GeneralPartner


Partners
Period End2021-06-302021-03-312020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value81000.055000.0100000.020000.060000.0103000.0044000.00593000.0
Percentage of PartnersCapitalAccountUnitsConverted100.0100.0100.0100.0100.0100.00.0100.00.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value74000.0728000.021000.015000.019000.0631000.021000.022000.025000.0353000.012000.025000.013000.01411000.012000.018000.015000.02001000.07000.021000.011000.01599000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value74000.0728000.021000.015000.019000.0631000.021000.022000.025000.0353000.012000.025000.013000.01411000.012000.018000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:StatementGeographical

us-gaap:PaymentsToAcquireBusinessesGross

stpr:NY


Payments
Period End2020-09-29
Value1.0
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:StatementGeographical, us-gaap:SubsequentEventType

stpr:NY, us-gaap:SubsequentEvent


Payments
Period End2020-10-21
Value201
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToDevelopRealEstateAssets

us-gaap:PaymentsToDevelopRealEstateAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value221021158.4719.7098.5752221491616133914286.657149.5773966282221279.1556.5394.3345.2057.488288.092142.655
Percentage of PaymentsToDevelopRealEstateAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToDevelopRealEstateAssets dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value221021158.4719.7098.575222149161613391528
Percentage of PaymentsToDevelopRealEstateAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.9100.9

us-gaap:PaymentsToMinorityShareholders

us-gaap:PaymentsToMinorityShareholders


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value38000.069000.044000.060000.042000.059000.046000.068000.08000.066000.035000.054000.01000.0377000.01159000.01149000.01147000.01159000.01148000.01145000.01146000.01156000.0
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToMinorityShareholders dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value38000.069000.044000.060000.042000.059000.046000.068000.08000.066000.035000.054000.0
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDebtNetOfIssuanceCosts us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

cube:SeniorNotes2.000PercentDue2031, us-gaap:SubsequentEvent


Proceeds
Period End2020-10-06
Value442
Percentage of ProceedsFromDebtNetOfIssuanceCosts100.0

us-gaap:ProceedsFromDistributionsReceivedFromRealEstatePartnerships

us-gaap:ProceedsFromDistributionsReceivedFromRealEstatePartnerships


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-312012-09-302012-06-302012-03-31
Value1.8974.9581.4171.3341.8151.5831.6461.7952.0722.2872.1731.9892.2571.9251.7911.7661.6851.4471.5531.5151.432521.5240.00.2760.2670.366
Percentage of ProceedsFromDistributionsReceivedFromRealEstatePartnerships100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ProceedsFromDivestitureOfRealEstatePartnership dei:LegalEntity

us-gaap:ProceedsFromDivestitureOfRealEstatePartnership

cube:CubesmartLPAndSubsidiaries


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.8974.9581.681.4171.3341.8151.5831.6461.7952.0722.2872.1731.9892.2579.672.09
Percentage of ProceedsFromDivestitureOfRealEstatePartnership100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value4299120-0.044-0.07-0.118-0.0296111024231295-0.04329-0.041-0.105-0.072-0.0294725629780272918010979464732181.5144220227
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfDebt dei:LegalEntity, us-gaap:DebtInstrument

us-gaap:ProceedsFromIssuanceOfDebt

cube:HVPFourVenture, cube:SecuredDebtDueApril2025


Proceeds
Period End2021-04-19
Value121
Percentage of ProceedsFromIssuanceOfDebt100.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1542681551461225.1273.302234342279227201941561781441581471281743533015929321616113413024919728512116860599716185138317314
Percentage of ProceedsFromLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLinesOfCredit dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1542681551461225.1273.30223434227922720194156178144
Percentage of ProceedsFromLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

cube:SelfStorageFacilitiesInNewYork, cube:Dispositions2020


Proceeds
Period End2020-12-22
Value12
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType

stpr:NY, cube:Dispositions2020


Proceeds
Period End2020-12-22
Value12
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.0751.1720.3350.4910.021.6550.9621.0490.00.0523.7810.0021.4990.7710.0640.030.710.3746.3125.8874.0934.0370.9218.438111.2990.4070.561.2231.2090.4930.7850.2680.3890.2040.7680.00.00.0610.060.00.013
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0

us-gaap:RepaymentsOfDebt dei:LegalEntity, us-gaap:DebtInstrument

us-gaap:RepaymentsOfDebt

cube:HHFVenture, cube:MortgageSecuredDebt3.59PercentDueOnApril302021


Repayments
Period End2021-02-05
Value100
Percentage of RepaymentsOfDebt100.0

cube:HVPFourVenture, cube:SecuredDebtDueMay2021


Repayments
Period End2021-04-19
Value82
Percentage of RepaymentsOfDebt0.0

us-gaap:RepaymentsOfDebt us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:HHFVenture


Repayments
Period End2021-02-05
Value100
Percentage of RepaymentsOfDebt100.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value182333741241065.127241253285378125154183102163137151137843242582472272861351595618726316533514388758031211351384010416
Percentage of RepaymentsOfLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLinesOfCredit dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value182333741241065.127241253285378125154183102163137
Percentage of RepaymentsOfLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermLeaseCost

us-gaap:ShortTermLeaseCost


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value326000.0306000.0233000.0298000.0275000.0308000.0320000.0294000.0317000.0296000.0
Percentage of ShortTermLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value81000.055000.0100000.020000.060000.0-43853.0044000.00593000.052000.054000.011997.03.004000.0014000.05000.0001013000.01115000.0055000.00069000.0
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.00.0100.0100.00.0100.00.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-09-302018-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value1.0462.8371.7733.3530.7730.423.1340.01.5880.7972.0233.4633.1762.337790.001219.5235.974.5062.7052.6011.8741.1250.13.209233.16
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value31000.032000.01000.028000.030000.01000.031000.019000.0-84914.01000.020000.064000.002000.016000.088000.002000.015000.0106000.007000.0153870.0126.058000.08000.0302000.0114000.079000.07000.04000.0211000.01000.07000.04000.0234000.02000.08000.07000.0218000.02000.00
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value189000.092000.018000.014000.0154000.085000.0140000.0-404600.06000.0399000.0299000.089000.07000.02000.036000.019000.0311000.0330000.0226000.0252000.0975140.0855.01142000.0174000.063000.046000.0157000.0175000.093000.089000.040000.047000.025000.098000.0008000.016000.004000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits


Stock
Period End2021-06-302021-03-312020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302010-12-31
Value3.5491.9132.8240.6441.8423.0620.01.3420.0150.00.0251.571.4090.2220.0740.00.0740.00.2340.0970.00.014150.00.5390.00.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.00.0100.0100.00.0100.00.00.0

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits cube:TemporaryEquity

cube:TemporaryEquity


Stock
Period End2021-06-302021-03-312020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302010-12-31
Value-3.549-1.913-2.824-0.644-1.842-3.0620.0-1.3420.0-15.6810.0-0.025-1.57-1.409-0.222-0.0740.0-0.0740.0-0.234-0.0970.00.0-14.601-15.9340.0-0.5390.00.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits-100.0-100.0-100.0-100.0-100.0-100.00.0-100.00.0-100.00.0-100.0-100.0-100.0-100.0-100.00.0-100.00.0-100.0-100.00.00.0-100.0-100.00.0-100.00.00.0

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302010-12-31
Value3.5481.9122.8230.6441.8413.0610.01.3420.0150.00.0251.5691.4080.2220.0740.00.0740.00.2340.0970.00.014150.00.5380.00.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.099.9100.0100.099.9100.00.0100.00.0100.00.0100.099.999.9100.0100.00.0100.00.0100.0100.00.00.099.999.90.099.80.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-06-302019-03-312017-12-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302010-12-31
Value0.0010.0010.0010.0010.00.0010.00.00.00.010.0110.00.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits0.00.10.00.10.00.10.00.00.00.10.10.00.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-06-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302010-12-31
Value3.5491.9132.8240.6441.8423.0620.01.3420.0150.00.0251.571.4090.2220.0740.00.0740.00.2340.0970.00.014150.00.5390.00.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.00.0100.0100.00.0100.00.00.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.0751.1720.4910.1351.6550.9621.0490.00.0523.7810.0021.4990.7710.0640.030.710.3746.3125.8874.0934.0370.9218.438111.2990.4070.561.2231.2090.4930.7850.2680.3890.2040.7680.0-0.0010.0620.060.00.013
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.0731.1710.4910.1351.6530.9611.0480.00.0523.7770.0021.4960.770.0640.030.710.3736.3095.8844.0914.0350.928.429111.2970.4060.561.2221.2070.4920.7840.2670.3890.2040.7670.00.00.0610.060.00.014
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.099.9100.0100.099.999.999.90.0100.099.9100.099.899.9100.0100.0100.099.7100.099.9100.0100.099.999.999.999.899.8100.099.999.899.899.999.6100.0100.099.90.0-0.098.4100.00.0107.7

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.0020.0010.0020.0010.0010.00.00.0040.0030.00.0010.0030.0030.0020.0020.0010.0090.0110.0020.0010.0020.0010.0010.0010.00.00.001
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.00.10.10.10.10.00.00.10.20.00.30.00.10.00.00.10.10.10.20.10.20.20.10.40.00.00.1

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.0751.1720.4910.1351.6550.9621.0490.00.0523.7810.0021.4990.7710.0640.030.710.3746.3125.8874.0934.0370.9218.438111.2990.4070.561.2231.2090.4930.7850.2680.3890.2040.7680.0-0.0010.0620.060.00.013
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0

us-gaap:TemporaryEquityNetIncome cube:TemporaryEquity

us-gaap:TemporaryEquityNetIncome

cube:TemporaryEquity


Temporary
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1768000.01549000.0474000.0389000.0383000.0426000.0499000.0358000.0535000.0476000.0426000.0383000.0399000.0490000.0427000.0277000.0259000.0283000.0227000.0172000.0485000.0223000.0161000.091000.057000.0
Percentage of TemporaryEquityNetIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TemporaryEquityNetIncome cube:TemporaryEquity, dei:LegalEntity

cube:TemporaryEquity, cube:CubesmartLPAndSubsidiaries


Temporary
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1768000.01549000.0474000.0389000.0383000.0426000.0499000.0358000.0535000.0476000.0426000.0383000.0399000.0490000.0
Percentage of TemporaryEquityNetIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TemporaryEquityStockIssuedDuringPeriodValueNewIssues cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:Ownership

us-gaap:TemporaryEquityStockIssuedDuringPeriodValueNewIssues

cube:SelfStorageFacilityInBrooklynNewYorkOne, cube:JointVenture


Temporary
Period End2020-09-29
Value9.0
Percentage of TemporaryEquityStockIssuedDuringPeriodValueNewIssues100.0

us-gaap:TemporaryEquityStockIssuedDuringPeriodValueNewIssues us-gaap:BusinessAcquisition

cube:StorageDeluxeAssets


Temporary
Period End2020-12-31
Value175
Percentage of TemporaryEquityStockIssuedDuringPeriodValueNewIssues0.0

us-gaap:TemporaryEquityStockIssuedDuringPeriodValueNewIssues us-gaap:StatementGeographical

stpr:NY


Temporary
Period End2020-09-29
Value9.0
Percentage of TemporaryEquityStockIssuedDuringPeriodValueNewIssues100.0

us-gaap:VariableInterestEntityOwnershipPercentage cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:Ownership

us-gaap:VariableInterestEntityOwnershipPercentage

cube:SelfStorageFacilityInBayonneNewJersey, cube:JointVenture


Variable
Period End2020-09-282018-12-31
Value51.00.51
Percentage of VariableInterestEntityOwnershipPercentage100.0100.0

cube:SelfStorageFacilityInEastMeadowNewYork, cube:JointVenture


Variable
Period End2021-06-28
Value51.0
Percentage of VariableInterestEntityOwnershipPercentage0.0

us-gaap:VariableInterestEntityOwnershipPercentage us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:SubsequentEvent, cube:StoragePropertyLocatedInMinnesota


Variable
Period End2021-04-16
Value50.0
Percentage of VariableInterestEntityOwnershipPercentage0.0

us-gaap:WeightedAverageNumberOfSharesRestrictedStock

us-gaap:WeightedAverageNumberOfSharesRestrictedStock


Weighted
Period End2021-06-302020-06-30
Value1395000.0563000.0
Percentage of WeightedAverageNumberOfSharesRestrictedStock100.0100.0

us-gaap:WeightedAverageNumberOfSharesRestrictedStock dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Weighted
Period End2021-06-302020-06-30
Value1395000.0563000.0
Percentage of WeightedAverageNumberOfSharesRestrictedStock100.0100.0

us-gaap:WriteOffOfDeferredDebtIssuanceCost dei:LegalEntity

us-gaap:WriteOffOfDeferredDebtIssuanceCost

cube:CubesmartLPAndSubsidiaries


Write
Period End2020-10-30
Value400000.0
Percentage of WriteOffOfDeferredDebtIssuanceCost100.0

cube:CommitmentsAndContingenciesFutureMilestonePayments

cube:CommitmentsAndContingenciesFutureMilestonePayments


Commitments
Period End2020-12-31
Value48
Percentage of CommitmentsAndContingenciesFutureMilestonePayments100.0

cube:ConstructionCostExpected cube:ScheduleOfRealEstateInvestmentProperty

cube:ConstructionCostExpected

cube:SelfStorageFacilitiesUnderConstruction


Construction
Period End2021-06-30
Value75
Percentage of ConstructionCostExpected100.0

cube:ConstructionCostExpected cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

cube:SelfStorageFacilitiesUnderConstruction, cube:RealEstateAcquisitionsExpectedIn2019


Construction
Period End2021-03-31
Value124
Percentage of ConstructionCostExpected0.0

cube:ContributionToRealEstateVenture us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName

cube:ContributionToRealEstateVenture

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSLockUpAnokaLimitedLiabilityCompany


Contribution
Period End2021-04-16
Value3.4
Percentage of ContributionToRealEstateVenture100.0

cube:ContributionToRealEstateVenture us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:HVPFourVenture


Contribution
Period End2021-06-302021-03-31
Value3030
Percentage of ContributionToRealEstateVenture0.00.0

cube:HvpFiveVenture


Contribution
Period End2021-06-302021-03-17
Value7.42.8
Percentage of ContributionToRealEstateVenture0.00.0

cube:ContributionToRealEstateVenture us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:SubsequentEvent, cube:StoragePropertyLocatedInMinnesota


Contribution
Period End2021-04-16
Value3.4
Percentage of ContributionToRealEstateVenture100.0

cube:DebtInstrumentPercentOfPrincipalAmountIssued us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cube:DebtInstrumentPercentOfPrincipalAmountIssued

cube:SeniorNotes2.000PercentDue2031, us-gaap:SubsequentEvent


Debt
Period End2020-10-06
Value99.074
Percentage of DebtInstrumentPercentOfPrincipalAmountIssued100.0

cube:EquityMethodInvestmentSummarizedFinancialInformationOtherAssets us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:EquityMethodInvestmentSummarizedFinancialInformationOtherAssets

cube:Ventures


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value302218222221111814168.28417
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities

cube:Ventures


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value22121116141110145.3657.9116.8536.516
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyNet us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyNet

cube:Ventures


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value686662668672677552521480741647667
Percentage of EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:MortgageLoansOnRealEstateLoanCommitmentAmount us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName

cube:MortgageLoansOnRealEstateLoanCommitmentAmount

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSLockUpAnokaLimitedLiabilityCompany


Mortgage
Period End2021-06-30
Value6.1
Percentage of MortgageLoansOnRealEstateLoanCommitmentAmount100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSSDPNewtonvilleLlc


Mortgage
Period End2021-06-30
Value12
Percentage of MortgageLoansOnRealEstateLoanCommitmentAmount198.4

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSValleyForgeVillageStorage


Mortgage
Period End2021-06-30
Value12
Percentage of MortgageLoansOnRealEstateLoanCommitmentAmount203.3

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSViennaLlcOne


Mortgage
Period End2021-06-30
Value17
Percentage of MortgageLoansOnRealEstateLoanCommitmentAmount278.7

cube:MortgageLoansOnRealEstateLoanCommitmentAmount us-gaap:CounterpartyName

cube:CSValleyForgeVillageStorage


Mortgage
Period End2020-12-31
Value12
Percentage of MortgageLoansOnRealEstateLoanCommitmentAmount0.0

cube:CSViennaLlcOne


Mortgage
Period End2020-12-31
Value17
Percentage of MortgageLoansOnRealEstateLoanCommitmentAmount0.0

cube:MortgageLoansOnRealEstateLoanCommitmentAmount us-gaap:CounterpartyName, us-gaap:VariableInterestEntitiesByClassificationOfEntity

cube:CSViennaLlcOne, us-gaap:VariableInterestEntityPrimaryBeneficiary


Mortgage
Period End2021-03-31
Value17
Percentage of MortgageLoansOnRealEstateLoanCommitmentAmount0.0

cube:PercentageOfOwnershipInterestOfOperatingPartnershipNotOwnedByGeneralPartner

cube:PercentageOfOwnershipInterestOfOperatingPartnershipNotOwnedByGeneralPartner


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value3.53.53.61.10.010.010.010.010.010.010.010.0110.0110.0110.010.010.0140.0110.0110.0120.0120.012
Percentage of PercentageOfOwnershipInterestOfOperatingPartnershipNotOwnedByGeneralPartner100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:RealEstateAggregateCostForFederalIncomeTaxPurposes

cube:RealEstateAggregateCostForFederalIncomeTaxPurposes


Real
Period End2020-12-31
Value5555
Percentage of RealEstateAggregateCostForFederalIncomeTaxPurposes100.0

cube:RealEstatePropertiesAcquiredIntangibleLeaseAssets us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:RealEstatePropertiesAcquiredIntangibleLeaseAssets

cube:HvpFiveVenture


Real
Period End2021-06-302021-03-17
Value1.50.9
Percentage of RealEstatePropertiesAcquiredIntangibleLeaseAssets100.0100.0

cube:RealEstatePropertiesDebtAssumedOnAcquisition cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

cube:RealEstatePropertiesDebtAssumedOnAcquisition

cube:SelfStorageFacilitiesInNewYork, cube:RealEstateAcquisitions2020


Real
Period End2020-12-31
Value154
Percentage of RealEstatePropertiesDebtAssumedOnAcquisition100.0

cube:RealEstatePropertiesPremiumOnDebtAssumed cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

cube:RealEstatePropertiesPremiumOnDebtAssumed

cube:SelfStorageFacilitiesInNewYork, cube:RealEstateAcquisitions2020


Real
Period End2020-12-31
Value14
Percentage of RealEstatePropertiesPremiumOnDebtAssumed100.0

cube:RealEstateSecurityDepositLiability

cube:RealEstateSecurityDepositLiability


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value1083000.01079000.01077000.0491000.0482000.0478000.0475000.0470000.0472000.0466000.0474000.0476000.0483000.0486000.0486000.0414000.0422000.0415000.0412000.0420000.0402000.0397000.0403000.0393000.0403000.0399000.0401000.0394000.0392000.0387000.0376000.0388000.0427000.0437000.0444000.0487000.0501000.0506000.0490000.0476000.0489000.0
Percentage of RealEstateSecurityDepositLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:RealEstateSecurityDepositLiability dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1083000.01079000.01077000.0491000.0482000.0478000.0475000.0470000.0472000.0466000.0474000.0476000.0483000.0486000.0
Percentage of RealEstateSecurityDepositLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableAggregateIntrinsicValue us-gaap:AwardType

cube:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableAggregateIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableAggregateIntrinsicValue100.0

cube:SignificantAcquisitionsAndDisposalsExpectedAcquisitionCostsOrSaleProceeds cube:ScheduleOfRealEstateInvestmentProperty

cube:SignificantAcquisitionsAndDisposalsExpectedAcquisitionCostsOrSaleProceeds

cube:SelfStorageFacilitiesUnderConstruction


Significant
Period End2020-09-30
Value14
Percentage of SignificantAcquisitionsAndDisposalsExpectedAcquisitionCostsOrSaleProceeds100.0

cube:SelfStorageFacilitiesUnderContract


Significant
Period End2021-06-30
Value33
Percentage of SignificantAcquisitionsAndDisposalsExpectedAcquisitionCostsOrSaleProceeds0.0

cube:StockRemainedAvailableForIssuance us-gaap:StatementClassOfStock, us-gaap:TypeOfArrangement

cube:StockRemainedAvailableForIssuance

us-gaap:CommonStock, cube:EquityDistributionAgreements


Stock
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value104.6104.75.8109.2
Percentage of StockRemainedAvailableForIssuance100.0100.0100.0100.0100.0100.0100.0

cube:TaxBasisOfRealEstateAssets

cube:TaxBasisOfRealEstateAssets


Tax
Period End2020-12-312019-12-312018-12-31
Value438439093645
Percentage of TaxBasisOfRealEstateAssets100.0100.0100.0

cube:UnsecuredSeniorNotesNet

cube:UnsecuredSeniorNotesNet


Unsecured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value20312030203018371836183618351489148914881143114311421142114211421141103910391038742742750500500500500500500500500250250250250250250
Percentage of UnsecuredSeniorNotesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:UnsecuredSeniorNotesNet dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Unsecured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value20312030203018371836183618351489148914881143114311421142
Percentage of UnsecuredSeniorNotesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:UnsecuredSeniorNotesNet us-gaap:DebtInstrument

us-gaap:SeniorNotes


Unsecured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value20312030203018371836183618351489148914881143114311421142114211421141103910391038741
Percentage of UnsecuredSeniorNotesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.098.9

srt:MortgageLoansOnRealEstateFaceAmountOfMortgages dei:LegalEntity, us-gaap:DebtInstrument

srt:MortgageLoansOnRealEstateFaceAmountOfMortgages

cube:HHFVenture, cube:MortgageSecuredDebt2.58PercentDueOnFebruary052028


Mortgage
Period End2021-01-21
Value105
Percentage of MortgageLoansOnRealEstateFaceAmountOfMortgages100.0

srt:MortgageLoansOnRealEstateFaceAmountOfMortgages us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:HHFVenture


Mortgage
Period End2021-01-21
Value105
Percentage of MortgageLoansOnRealEstateFaceAmountOfMortgages100.0

srt:MortgageLoansOnRealEstateFaceAmountOfMortgages us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:DebtInstrument

cube:HHFVenture, cube:MortgageSecuredDebt3.59PercentDueOnApril302021


Mortgage
Period End2020-09-30
Value100
Percentage of MortgageLoansOnRealEstateFaceAmountOfMortgages0.0

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances

cube:AnnapolisMd


Real
Period End2020-12-312019-12-31
Value5.2835.459
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances100.0100.0

cube:BronxIXNY


Real
Period End2020-12-312019-12-31
Value2121
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances398.1394.7

cube:BronxXNY


Real
Period End2020-12-312019-12-31
Value2324
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances438.2440.4

cube:BrooklynXVNY


Real
Period End2020-12-31
Value15
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances297.4

cube:FlushingIINY


Real
Period End2020-12-31
Value54
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1027.8

cube:LongIslandCityIIINY


Real
Period End2020-12-31
Value19
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances361.7

cube:LongIslandCityIINY


Real
Period End2020-12-31
Value19
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances361.4

cube:LongIslandCityIVNY


Real
Period End2020-12-31
Value12
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances243.3

cube:NashvilleVTN


Real
Period End2020-12-312019-12-31
Value2.2612.313
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances42.842.4

cube:NewYorkNy


Real
Period End2020-12-312019-12-31
Value2930
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances567.5560.3

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value176166159153165136137150164168149153146122143139126104939396968588817069635749575554526063554651503736
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value176166159153165136137150164168149153146143
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNet

us-gaap:AccountsReceivableNet


Accounts
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.9055.3135.8296.3865.6725.4985.1065.0494.2374.957103.6762.97
Percentage of AccountsReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedAmortizationDeferredFinanceCosts

us-gaap:AccumulatedAmortizationDeferredFinanceCosts


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value131213119.77.36.44.63.44.98.8
Percentage of AccumulatedAmortizationDeferredFinanceCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsHeldInTrust

us-gaap:AssetsHeldInTrust


Assets
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312016-12-31
Value211917139.6459.3936.748
Percentage of AssetsHeldInTrust100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt

cube:SelfStorageFacilitiesInNewYork, cube:RealEstateAcquisitions2020


Business
Period End2020-12-31
Value169
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt us-gaap:StatementGeographical, us-gaap:SubsequentEventType

stpr:NY, us-gaap:SubsequentEvent


Business
Period End2020-10-21
Value154
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt0.0

us-gaap:DebtInstrumentCarryingAmount dei:LegalEntity, us-gaap:DebtInstrument

us-gaap:DebtInstrumentCarryingAmount

cube:HVPFourVenture, cube:SecuredDebtDueJune2024


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value5555555555554012
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0

cube:HVPFourVenture, cube:SecuredDebtDueMay2021


Debt
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value212828282828282
Percentage of DebtInstrumentCarryingAmount0.0148.1148.1148.1148.1203.0637.2

cube:HhfNortheastVenture, cube:SecuredDebtDueDecember2019


Debt
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value4545454444
Percentage of DebtInstrumentCarryingAmount81.181.181.1109.9345.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

cube:SeniorNotes4.00PercentDueOnNovember152025


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value300300300300300300300300300300300300300300250250250250
Percentage of DebtInstrumentCarryingAmount540.5540.5540.5540.5740.72325.60.00.00.00.00.00.00.00.00.00.00.00.0

cube:SeniorNotes4.375PercentDueOnDecember152023


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value300300300300300300300300300300300300300300250250250250
Percentage of DebtInstrumentCarryingAmount540.5540.5540.5540.5740.72325.60.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeniorNotes


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value18501850185018501500150015001150115011501150115011501150105010501050750
Percentage of DebtInstrumentCarryingAmount3333.33333.33333.33333.33703.711627.90.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1571582029293939495104105106106107108108109110104111112135100109
Percentage of DebtInstrumentCarryingAmount0.0284.9365.3166.8168.0169.1170.3234.9812.10.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory

cube:YSI24Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value2323232424242424252525252526262626262727272727
Percentage of DebtInstrumentCarryingAmount42.142.542.943.359.9189.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI26Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value7.6357.6927.7487.8057.8617.9147.9678.0228.0758.1268.1768.2288.2788.3268.3748.4238.478.5158.568.6068.6518.6948.78
Percentage of DebtInstrumentCarryingAmount13.813.914.014.119.461.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI55Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value2121212121212122222222222222222223232323232323
Percentage of DebtInstrumentCarryingAmount38.138.438.638.853.5169.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI57Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value2.682.72.722.742.762.7782.7972.8162.8352.8532.872.8892.9062.9232.942.9572.9742.9893.0053.0213.0373.0523.082
Percentage of DebtInstrumentCarryingAmount4.84.94.94.96.821.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI65Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value2.2752.2872.32.3132.3262.3392.3512.3632.3762.3872.3992.4112.4232.4342.4452.4572.4682.4792.4892.52.5112.521
Percentage of DebtInstrumentCarryingAmount4.14.14.14.25.718.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI66Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value303030303030313131313131313132323232
Percentage of DebtInstrumentCarryingAmount54.354.654.855.175.9239.40.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI68


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5.3285.3725.4155.4595.5015.5435.5855.6265.6665.7075.7475.7865.8255.863
Percentage of DebtInstrumentCarryingAmount9.69.79.89.813.643.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:LongtermDebtType

cube:AnnapolisMarylandOneDueMay2024, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312019-12-31
Value5.1925.2385.2835.459
Percentage of DebtInstrumentCarryingAmount0.09.49.59.8

cube:BronxNewYorkNineDueJune2021, us-gaap:Mortgages


Debt
Period End2020-12-312019-12-31
Value2121
Percentage of DebtInstrumentCarryingAmount37.938.8

cube:BronxNewYorkTenDueJune2021, us-gaap:Mortgages


Debt
Period End2020-12-312019-12-31
Value2324
Percentage of DebtInstrumentCarryingAmount41.743.3

cube:BrooklynNewYorkFifteenDueMay2024, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-31
Value151515
Percentage of DebtInstrumentCarryingAmount0.028.228.3

cube:LongIslandNewYorkFourDueMay2024, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-31
Value121212
Percentage of DebtInstrumentCarryingAmount0.023.123.2

cube:LongIslandNewYorkThreeDueAugust2026, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-31
Value181919
Percentage of DebtInstrumentCarryingAmount0.034.334.4

cube:LongIslandNewYorkTwoDueJuly2026, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-31
Value181919
Percentage of DebtInstrumentCarryingAmount0.034.334.4

cube:NashvilleTennesseeFiveDueJune2023, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312019-12-31
Value2.2342.2472.2612.313
Percentage of DebtInstrumentCarryingAmount0.04.04.14.2

cube:NewYorkNewYorkDueJune2023, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312019-12-31
Value29292930
Percentage of DebtInstrumentCarryingAmount0.053.754.055.1

us-gaap:DebtInstrumentCollateralAmount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentCollateralAmount

us-gaap:Mortgages


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value539206231236233195344
Percentage of DebtInstrumentCollateralAmount100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

cube:SeniorNotes4.00PercentDueOnNovember152025


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-04-042017-03-312016-12-312016-09-302015-12-312015-10-26
Value30030030030030030030030030030030030030030050250250250250250
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:SeniorNotes4.375PercentDueOnDecember152023


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-04-042017-03-312016-12-312016-09-302015-12-312013-12-17
Value30030030030030030030030030030030030030030050250250250250250
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312019-12-31
Value2050205020501850
Percentage of DebtInstrumentFaceAmount683.3683.3683.3616.7

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cube:SeniorNotes2.000PercentDue2031, us-gaap:SubsequentEvent


Debt
Period End2020-10-06
Value450
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentFairValue

us-gaap:DebtInstrumentFairValue


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2571217421302022203719261926173116001.61.717001.71.71.61700150013001300120012001200120011001211121411401058108510341017
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Debt
Period End2021-06-302021-03-312020-12-31
Value236323482571
Percentage of DebtInstrumentFairValue0.00.0100.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateEffectivePercentage

cube:SeniorNotes3.000PercentDue2030


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.043.043.043.040.03040.03040.0304
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0100.0100.0100.0

cube:SeniorNotes3.125PercentDue2026


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3.183.183.183.180.03180.03180.03180.03180.03180.03180.03180.03180.03180.03180.03180.03180.03180.03180.03180.0318
Percentage of DebtInstrumentInterestRateEffectivePercentage104.6104.6104.6104.6104.6104.6104.60.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:SeniorNotes4.00PercentDueOnNovember152025


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-152017-09-302017-06-302017-04-042017-03-312016-12-312016-09-302015-10-26
Value3.993.993.993.990.03990.03990.03990.03990.03990.03990.03990.03990.03990.03990.03990.040320.03990.03990.038110.04030.04030.04030.04032
Percentage of DebtInstrumentInterestRateEffectivePercentage131.2131.2131.2131.2131.2131.2131.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:SeniorNotes4.375PercentDue2029


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.464.464.464.460.04460.04460.04460.04460.04460.0446
Percentage of DebtInstrumentInterestRateEffectivePercentage146.7146.7146.7146.7146.7146.7146.70.00.00.0

cube:SeniorNotes4.375PercentDueOnDecember152023


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-04-042017-03-312016-12-312016-09-302013-12-17
Value4.334.334.334.330.04330.04330.04330.04330.04330.04330.04330.04330.04330.04330.04330.04330.04330.034950.0450.0450.0450.04501
Percentage of DebtInstrumentInterestRateEffectivePercentage142.4142.4142.4142.4142.4142.4142.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:SeniorNotes4.80PercentDueOnJuly152022


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302012-12-312012-09-302012-06-30
Value4.824.820.04820.04820.04820.04820.04820.04820.04820.04820.04820.04820.04820.04820.04820.04820.04820.04820.04820.04820.0482
Percentage of DebtInstrumentInterestRateEffectivePercentage158.6158.6158.6158.6158.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:LongtermDebtType

cube:UnsecuredCreditFacilityRevolver


Debt
Period End2021-06-302021-03-31
Value1.21.21
Percentage of DebtInstrumentInterestRateEffectivePercentage39.539.8

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory

cube:YSI24Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value4.640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.04640.0464
Percentage of DebtInstrumentInterestRateEffectivePercentage152.6152.6152.6152.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI26Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value4.560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.04560.0456
Percentage of DebtInstrumentInterestRateEffectivePercentage150.0150.0150.0150.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI55Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value4.850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.04850.0485
Percentage of DebtInstrumentInterestRateEffectivePercentage159.5159.5159.5159.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI57Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value4.610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.04610.0461
Percentage of DebtInstrumentInterestRateEffectivePercentage151.6151.6151.6151.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI65Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value3.850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.03850.0385
Percentage of DebtInstrumentInterestRateEffectivePercentage126.6126.6126.6126.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI66Loan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3.510.03510.03510.03510.03510.03510.03510.03510.03510.03510.03510.03510.03510.03510.03510.03510.03510.0351
Percentage of DebtInstrumentInterestRateEffectivePercentage115.5115.5115.5115.50.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cube:YSI68


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3.780.03780.03780.03780.03780.03780.03780.03780.03780.03780.03780.03780.03780.0378
Percentage of DebtInstrumentInterestRateEffectivePercentage124.3124.3124.3124.30.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value7086000.07278000.07470000.03558000.03659000.03759000.03860000.02635000.02704000.02773000.0568000.0581000.0593000.0605000.0617000.0630000.0642000.03846000.03971000.04099000.02888000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet us-gaap:LongtermDebtType

us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-14375000.0-15080000.0-15879000.0-1303000.0-1479000.0-1657000.0-1833000.0-2010000.0-2191000.0-2372000.0-2551000.0-2733000.0-2918000.0-3103000.0-3286000.0-3472000.0-3661000.0-3521000.0-3742000.0-3967000.0-4375000.0-1983000.0-2219000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet-202.9-207.2-212.6-36.6-40.4-44.1-47.5-76.3-81.0-85.5-449.1-470.4-492.1-512.9-532.6-551.1-570.2-91.5-94.2-96.80.00.0-76.8

us-gaap:DebtWeightedAverageInterestRate us-gaap:DebtInstrument

us-gaap:DebtWeightedAverageInterestRate

cube:SeniorNotes4.00PercentDueOnNovember152025


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3.9943.9943.9940.039940.039940.039940.039940.039940.039940.039940.039940.039940.039940.03994
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:SeniorNotes4.375PercentDueOnDecember152023


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-12-152017-09-302017-06-302017-04-042013-12-17
Value4.334.334.330.04330.04330.04330.04330.04330.04330.04330.04330.04330.045010.04330.04330.034950.04501
Percentage of DebtWeightedAverageInterestRate108.4108.4108.4108.4108.4108.4108.4108.4108.4108.4108.4108.40.0108.4108.40.00.0

us-gaap:DebtWeightedAverageInterestRate us-gaap:DebtInstrument, us-gaap:LongtermDebtType

cube:CreditFacility, cube:UnsecuredCreditFacilityRevolver


Debt
Period End2020-12-312019-12-31
Value1.240.0286
Percentage of DebtWeightedAverageInterestRate0.00.0

us-gaap:DebtWeightedAverageInterestRate us-gaap:LongtermDebtType

cube:UnsecuredCreditFacilityRevolver


Debt
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value1.250.01260.02090.03120.035
Percentage of DebtWeightedAverageInterestRate31.331.552.378.187.6

us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredFinanceCostsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3831212124201717111324
Percentage of DeferredFinanceCostsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2.8363.0293.2753.3823.6093.8344.0594.2844.5050.7930.9631.1341.2981.4631.5921.7091.8752.0382.152.3132.4752.6371311111010111112128.8859.4217.7778.2538.9439.197.6438.073111215
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.8363.0293.2753.3823.6093.8344.0594.2844.5050.7930.9631.1341.2981.592
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument

us-gaap:SeniorNotes


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value1111129.2239.6210107.8828.2088.5355.9086.1616.4156.6696.9237.1767.436.7316.9537.1737.68.1
Percentage of DeferredFinanceCostsNet398.0387.0371.2272.7266.6261.3256.6184.0182.21076.3613.5543.3494.2455.8434.9419.9396.3330.3323.4310.1307.160.1

us-gaap:DeferredFinanceCostsNet us-gaap:LongtermDebtType

us-gaap:Mortgages


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1.9012.012.1430.1920.2230.2550.2870.3190.3560.4030.4510.50.5490.5990.6480.6970.7460.650.710.7710.8450.7040.757
Percentage of DeferredFinanceCostsNet67.066.465.45.76.26.77.17.47.950.846.844.142.340.940.740.839.831.933.033.334.126.75.6

us-gaap:DeferredRevenue

us-gaap:DeferredRevenue


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value32302927262525252523222323222121212120201918171717161514141312121211111010109.5689.3269.5328.873
Percentage of DeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenue dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3230292726252525252322232321
Percentage of DeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpense

us-gaap:DeferredTaxAssetsTaxDeferredExpense


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value400000.0700000.01400000.01400000.01300000.01700000.01000000.0700000.0700000.0400000.0300000.0
Percentage of DeferredTaxAssetsTaxDeferredExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositAssets cube:ScheduleOfRealEstateInvestmentProperty

us-gaap:DepositAssets

cube:SelfStorageFacilitiesUnderConstruction


Deposit
Period End2020-09-30
Value300000.0
Percentage of DepositAssets100.0

cube:SelfStorageFacilitiesUnderContract


Deposit
Period End2021-06-30
Value400000.0
Percentage of DepositAssets0.0

us-gaap:DevelopmentInProcess cube:ScheduleOfRealEstateInvestmentProperty

us-gaap:DevelopmentInProcess

cube:SelfStorageFacilitiesUnderConstruction


Development
Period End2021-06-302020-12-31
Value4894
Percentage of DevelopmentInProcess100.0100.0

us-gaap:DevelopmentInProcess cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

cube:SelfStorageFacilitiesUnderConstruction, cube:RealEstateAcquisitionsExpectedIn2019


Development
Period End2021-03-312020-09-30
Value8571
Percentage of DevelopmentInProcess0.00.0

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:DividendsPayableCurrentAndNoncurrent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7170686464646462626060565655554949494939393938292828282120201916161616121111117.2937.267.275
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPayableCurrentAndNoncurrent dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7170686464646462626060565655
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DueFromAffiliates

us-gaap:DueFromAffiliates


Due
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312016-12-31
Value17151310107.483.349
Percentage of DueFromAffiliates100.0100.0100.0100.0100.0100.0100.0

us-gaap:DueFromJointVenturesNoncurrent us-gaap:Range, us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:DueFromJointVenturesNoncurrent

srt:Maximum, us-gaap:SubsequentEvent, cube:StoragePropertyLocatedInMinnesota


Due
Period End2021-04-16
Value6.1
Percentage of DueFromJointVenturesNoncurrent100.0

us-gaap:DueFromJointVenturesNoncurrent us-gaap:RelatedPartyTransactionsByRelatedParty

cube:RealEstateInvestmentsRelatedJointVentures


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3526219.36.05.03.11.8102333302826252525353433333229107.04.31615
Percentage of DueFromJointVenturesNoncurrent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DueFromJointVenturesNoncurrent us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:SubsequentEvent, cube:StoragePropertyLocatedInMinnesota


Due
Period End2021-04-16
Value5.5
Percentage of DueFromJointVenturesNoncurrent90.2

us-gaap:DueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DueFromRelatedParties

cube:RealEstateInvestmentsRelatedJointVentures


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value17151312141110111112109.89.69.37.57.86.35.93.32.73.01.91.9
Percentage of DueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeStockOption


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2100000.02000000.01700000.01800000.01600000.01200000.01000000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6000000.05700000.05000000.05200000.04700000.03100000.03000000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized285.7285.0294.1288.9293.8258.3300.0

us-gaap:EquityMethodInvestmentOwnershipPercentage dei:LegalEntity

us-gaap:EquityMethodInvestmentOwnershipPercentage

cube:HHFVenture


Equity
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value50.00.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0100.0

cube:HVPFourVenture


Equity
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value20.00.20.20.20.2
Percentage of EquityMethodInvestmentOwnershipPercentage40.040.040.040.040.0

cube:HhfNortheastVenture


Equity
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302016-12-15
Value10.00.10.10.10.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage20.020.020.020.020.00.0

cube:Hvpseventure


Equity
Period End2020-12-312020-09-302020-06-302020-03-312020-03-19
Value10.010.00.10.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.020.020.020.00.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:HHFVenture


Equity
Period End2021-06-302021-03-312020-12-312019-12-312013-12-10
Value50.050.050.00.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.0

cube:HVPFourVenture


Equity
Period End2021-06-302021-03-312020-12-312019-12-31
Value20.020.020.00.2
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.0

cube:HhfNortheastVenture


Equity
Period End2021-06-302021-03-312020-12-312019-12-312016-12-15
Value10.010.010.00.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationAssets us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationAssets

cube:Ventures


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value709680691695698564540494757655684
Percentage of EquityMethodInvestmentSummarizedFinancialInformationAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital

cube:Ventures


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value9392929395918886959198
Percentage of EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity

cube:Ventures


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value709680691695698564540494757655684
Percentage of EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest

cube:Ventures


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value235217220225230183172164239211234
Percentage of EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-06-302012-03-312011-12-312011-09-30
Value979392929395918886949598100999191939598979910097909293959810115415614141515
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value97939292939591888694959810091
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cube:HHFVenture


Equity
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value63646466666769
Percentage of EquityMethodInvestments68.668.468.172.475.177.872.5

cube:HVPFourVenture


Equity
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value22222223191714
Percentage of EquityMethodInvestments23.923.924.025.422.519.715.4

cube:HhfNortheastVenture


Equity
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1.7391.8241.9131.9982.1312.2262.411
Percentage of EquityMethodInvestments1.91.92.02.22.42.62.5

cube:Hvpseventure


Equity
Period End2020-12-312020-09-302020-06-302020-03-31
Value5.0155.1715.3845.568
Percentage of EquityMethodInvestments5.45.65.75.9

us-gaap:EquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cube:HHFVenture


Equity
Period End2021-06-302021-03-312020-12-312019-12-312018-12-31
Value5859636669
Percentage of EquityMethodInvestments60.163.269.272.472.5

cube:HVPFourVenture


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value25252126262623221714
Percentage of EquityMethodInvestments25.827.023.628.528.127.625.425.419.715.4

cube:HhfNortheastVenture


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1.4481.5241.6283.83.83.81.9983.83.82.411
Percentage of EquityMethodInvestments1.51.61.84.14.14.02.24.34.42.5

cube:HvpFiveVenture


Equity
Period End2021-06-302021-03-31
Value7.3642.819
Percentage of EquityMethodInvestments7.63.0

cube:Hvpseventure


Equity
Period End2021-06-302021-03-312020-12-31
Value4.8724.8295.015
Percentage of EquityMethodInvestments5.05.15.4

cube:Ventures


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value97939292939591888695
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-31
Value656565
Percentage of FinanceLeaseLiability100.0100.0100.0

us-gaap:FinanceLeaseLiability dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Finance
Period End2021-06-302021-03-312020-12-31
Value656565
Percentage of FinanceLeaseLiability100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2021-06-302021-03-312020-12-31
Value132133133
Percentage of FinanceLeaseLiabilityPaymentsDue100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2021-06-302020-12-31
Value2183000.01936000.0
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2021-06-302021-03-312020-12-31
Value2224000.02183000.02183000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear


Finance
Period End2021-06-302021-03-31
Value1075000.01520000.0
Percentage of FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2021-06-302021-03-312020-12-31
Value666768
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2021-06-302021-03-312020-12-31
Value414141
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2021-06-302021-03-312020-12-312019-12-31
Value3.253.253.250
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0100.00.0

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases

cube:SelfStorageFacilitiesInNewYork, cube:RealEstateAcquisitions2020


Finite
Period End2020-12-31
Value48
Percentage of FiniteLivedIntangibleAssetAcquiredInPlaceLeases100.0

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:LeasesAcquiredInPlace, cube:RealEstateAcquisitions2020


Finite
Period End2020-12-312020-09-302020-06-302020-03-31
Value112.525040
Percentage of FiniteLivedIntangibleAssetAcquiredInPlaceLeases23.50.00.00.0

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases us-gaap:PropertyPlantAndEquipmentByType

cube:RealEstateAcquisitions2020


Finite
Period End2020-12-31
Value11
Percentage of FiniteLivedIntangibleAssetAcquiredInPlaceLeases23.5

cube:RealEstateAcquisitions2021


Finite
Period End2021-06-30
Value1.6
Percentage of FiniteLivedIntangibleAssetAcquiredInPlaceLeases0.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value29162.123103.1241.5328.1097.22
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GeneralPartnersCapitalAccount dei:LegalEntity

us-gaap:GeneralPartnersCapitalAccount

cube:CubesmartLPAndSubsidiaries


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value18471878183217371761178318001814177416981710169516861629
Percentage of GeneralPartnersCapitalAccount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302020-12-31
Value2639000.02511000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-312020-09-30
Value1258000.01893000.0508000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LettersOfCreditOutstandingAmount

cube:CreditFacility, cube:UnsecuredCreditFacilityRevolver


Letters
Period End2020-12-31
Value600000.0
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:LongtermDebtType

cube:UnsecuredCreditFacilityRevolver


Letters
Period End2021-06-302021-03-312020-09-30
Value600000.0600000.0700000.0
Percentage of LettersOfCreditOutstandingAmount0.00.00.0

us-gaap:LineOfCredit

us-gaap:LineOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-06-302010-12-31
Value24521173715237257961959447136816660534315054167161807856703888110304565509.043
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2452117371523725796195944781
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

cube:CreditFacility, cube:UnsecuredCreditFacilityRevolver


Line
Period End2020-12-31
Value631
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:LongtermDebtType

cube:UnsecuredCreditFacilityRevolver


Line
Period End2021-06-302021-03-312020-09-30
Value724696712
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-31
Value888888
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:Mortgages


Long
Period End2021-06-302020-12-312020-09-30
Value2.4264610
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:Mortgages


Long
Period End2021-03-312020-12-312020-09-30
Value979000.0979000.04704000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.979323231
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value3232320.923
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value322.4262.42645
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:Mortgages


Long
Period End2021-06-302021-03-31
Value1165000.01733000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0100.0

us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners

cube:SelfStorageFacilityInEastMeadowNewYork, cube:JointVenture


Minority
Period End2021-06-29
Value49.0
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners100.0

us-gaap:MinorityInterestOwnershipPercentageByParent cube:ScheduleOfRealEstateInvestmentProperty, us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByParent

cube:SelfStorageFacilityInArlingtonVirginia, cube:Cubesmart


Minority
Period End2021-06-30
Value90.0
Percentage of MinorityInterestOwnershipPercentageByParent100.0

cube:SelfStorageFacilityInBrooklynNewYork, cube:Cubesmart


Minority
Period End2021-06-30
Value100.0
Percentage of MinorityInterestOwnershipPercentageByParent111.1

cube:SelfStorageFacilityInEastMeadowNewYork, cube:Cubesmart


Minority
Period End2021-06-30
Value100.0
Percentage of MinorityInterestOwnershipPercentageByParent111.1

cube:SelfStorageFacilityInKingOfPrussiaPennsylvania, cube:Cubesmart


Minority
Period End2021-06-30
Value70.0
Percentage of MinorityInterestOwnershipPercentageByParent77.8

us-gaap:MinorityInterestOwnershipPercentageByParent us-gaap:Ownership

cube:Cubesmart


Minority
Period End2021-06-302021-03-312020-09-30
Value96.596.598.9
Percentage of MinorityInterestOwnershipPercentageByParent107.20.00.0

cube:CubesmartLPAndSubsidiaries


Minority
Period End2020-12-31
Value96.4
Percentage of MinorityInterestOwnershipPercentageByParent0.0

us-gaap:MortgageLoansOnRealEstate us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName

us-gaap:MortgageLoansOnRealEstate

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSLockUpAnokaLimitedLiabilityCompany


Mortgage
Period End2021-06-30
Value5.6
Percentage of MortgageLoansOnRealEstate100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSSDPNewtonvilleLlc


Mortgage
Period End2021-06-30
Value11
Percentage of MortgageLoansOnRealEstate210.7

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSValleyForgeVillageStorage


Mortgage
Period End2021-06-30
Value11
Percentage of MortgageLoansOnRealEstate201.8

us-gaap:VariableInterestEntityPrimaryBeneficiary, cube:CSViennaLlcOne


Mortgage
Period End2021-06-30
Value6.7
Percentage of MortgageLoansOnRealEstate119.6

us-gaap:MortgageLoansOnRealEstate us-gaap:CounterpartyName

cube:CSSDPNewtonvilleLlc


Mortgage
Period End2020-12-312019-06-302018-12-31
Value9.60.80.5
Percentage of MortgageLoansOnRealEstate0.00.00.0

cube:CSValleyForgeVillageStorage


Mortgage
Period End2020-12-31
Value6.9
Percentage of MortgageLoansOnRealEstate0.0

cube:CSViennaLlcOne


Mortgage
Period End2020-12-31
Value4.9
Percentage of MortgageLoansOnRealEstate0.0

us-gaap:MortgageLoansOnRealEstate us-gaap:CounterpartyName, us-gaap:VariableInterestEntitiesByClassificationOfEntity

cube:CSSDPNewtonvilleLlc, us-gaap:VariableInterestEntityPrimaryBeneficiary


Mortgage
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302018-06-30
Value117.56.05.01.80.3
Percentage of MortgageLoansOnRealEstate0.00.00.00.00.00.0

cube:CSValleyForgeVillageStorage, us-gaap:VariableInterestEntityPrimaryBeneficiary


Mortgage
Period End2021-03-312020-09-30
Value9.61.8
Percentage of MortgageLoansOnRealEstate0.00.0

cube:CSViennaLlcOne, us-gaap:VariableInterestEntityPrimaryBeneficiary


Mortgage
Period End2021-03-31
Value5.4
Percentage of MortgageLoansOnRealEstate0.0

us-gaap:NotesAndLoansPayable

us-gaap:NotesAndLoansPayable


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1701712169394959696106107108109109110111112112107114115138101112120142196195215224226200206214226228258244387358346347372
Percentage of NotesAndLoansPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesAndLoansPayable dei:LegalEntity

cube:CubesmartLPAndSubsidiaries


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1701712169394959696106107108109109111
Percentage of NotesAndLoansPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesAndLoansPayable us-gaap:LongtermDebtType

us-gaap:Mortgages


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1701712169394959696106107108109109110111112112107114115138101112
Percentage of NotesAndLoansPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.474.474.464.740.04740.04740.0474
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssetsMiscellaneous

us-gaap:OtherAssetsMiscellaneous


Other
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-3120