EXR


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:StatementClassOfStock

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfRevenue

us-gaap:CostsAndExpenses
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestExpenseDebt

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:Land
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongTermDebt

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:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DepreciationDepletionAndAmortization

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireRealEstate

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsValuationAllowance

exr:AmortizationOfDebtDiscountPremiumEquityComponentOfSeniorNotes

exr:AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures

exr:AverageSharePricePerShare
us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock

exr:CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits

exr:EstablishmentOfFinanceLeaseLiability

exr:EstablishmentOfOperatingLeaseLiability

exr:ExchangeOfRealEstateForInterestInJointVenture

exr:GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets

exr:GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate

exr:IncomeLossAttributableToNoncontrollingInterestFixedComponent

exr:IncomeLossFromUnconsolidatedRealEstateJointVentures

exr:IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits
us-gaap:StatementClassOfStock
exr:IncrementalCommonSharesAttributableToExchangeablePreferredOperatingPartnershipUnits

exr:IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions

exr:InterestExpenseExcludingAmortizationOfDebtDiscountPremium
us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod
exr:IssuanceOfCommonStockForRepaymentOfSeniorDebtValue
us-gaap:DebtInstrumentRedemptionPeriod
us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:SubsequentEventType

exr:MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther

exr:NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership

exr:NoncashInterestIncome

exr:NoncashInvestmentInJointVenture

exr:NoncashOrPartNoncashAcquisitionFinanceLeaseLiability

exr:NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired

exr:NoncontrollingInterestDecreaseFromRedemptionsOfOperatingPartnershipUnits
us-gaap:PreferredUnitsByName
exr:NoncontrollingInterestInPreferredOperatingPartnershipUnitsConversionRatio

exr:NoncontrollingInterestIncreaseFromRepaymentOfReceivable
us-gaap:StatementEquityComponents

exr:NoncontrollingInterestOtherDecrease
us-gaap:StatementEquityComponents

exr:NoncontrollingInterestOtherDecreaseIncrease
us-gaap:StatementEquityComponents

exr:NoncontrollingInterestRepaymentOfReceivableForPreferredOperatingUnitsPledgedAsCollateralOnLoan
us-gaap:StatementEquityComponents
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
exr:PaymentsForInvestmentInUnconsolidatedRealEstateEntities

exr:PaymentsToAcquireAssetsGross

exr:ProceedsFromCollectionOfNotesReceivableForStock

exr:RealEstateAdditionsPortionNotYetPaid

exr:RealEstateAssetsTransferredForInvestmentInJointVenture

exr:RealEstatePropertyAcquisitionIncreaseAssetsAcquiredAndLiabilitiesAssumedNet

exr:RealEstatePropertyAssetAcquisitionConsiderationTransferred

exr:RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital

exr:RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital

exr:ReturnOfInvestmentRealEstateVentures

exr:TenantReinsuranceExpense

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AssetAcquisitionConsiderationTransferred

us-gaap:AssetAcquisitionConsiderationTransferredOtherAssets

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalLeaseObligationsIncurred

us-gaap:ConversionOfStockAmountConverted1

us-gaap:DirectPremiumsEarned

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:DebtInstrumentRedemptionPeriod
us-gaap:ExtinguishmentOfDebtAmount
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:FinancingReceivableSignificantPurchases
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:FinancingReceivableSignificantSales
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:SubsequentEventType
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities
us-gaap:DebtInstrument
us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities

us-gaap:IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends

us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:InvestmentIncomeInterest

us-gaap:LeaseIncome

us-gaap:MinorityInterestDecreaseFromRedemptions
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock
us-gaap:SubsidiarySaleOfStock

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense
us-gaap:DerivativeInstrumentRisk
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentRisk
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherDepreciationAndAmortization

us-gaap:PartnersCapitalAccountDistributions
us-gaap:StatementEquityComponents

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:PaymentsToAcquireFurnitureAndFixtures

us-gaap:PaymentsToAcquireHeldToMaturitySecurities
us-gaap:FinancialInstrument

us-gaap:PaymentsToAcquireNotesReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:SubsequentEventType
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:SubsequentEventType
us-gaap:PaymentsToAcquireRealEstateAndRealEstateJointVentures
us-gaap:SubsequentEventType

us-gaap:PaymentsToDevelopRealEstateAssets

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfSecuredDebt

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromSaleOfEquityMethodInvestments

us-gaap:ProceedsFromSaleOfNotesReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:SubsequentEventType
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:ProceedsFromSaleOfOtherRealEstate

us-gaap:ProceedsFromSaleOfRealEstate

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:RepaymentsOfOtherDebt
us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod
us-gaap:RepaymentsOfSeniorDebt
us-gaap:DebtInstrumentRedemptionPeriod
us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:SubsequentEventType

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:SaleOfStockConsiderationReceivedOnTransaction
us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock
us-gaap:SubsidiarySaleOfStock

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted

exr:CashDistributionsInUnconsolidatedRealEstateVentures

exr:CommonStockAverageClosingMarketPrice

exr:DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable

exr:DeferredTaxAssetsOperatingLeaseLiability

exr:DeferredTaxAssetsTaxDeferredCaptiveInsuranceSubsidiary

exr:DeferredTaxLiabilitiesRightOfUseAsset

exr:DeferredTaxLiabilitiesStateTaxes

exr:DerivativeInstrumentsWithContingentFeaturesContingentCashSettlementValue

exr:DerivativeWithContingentFeaturesFairValueOfAssetLiabilityNet
us-gaap:FairValueByMeasurementBasis
exr:DueFromRelatedPartiesFairValueDisclosure
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
exr:EquityMethodInvestmentPreferredEquityInterest

exr:InvestmentInUnconsolidatedRealEstateEntities

exr:InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

exr:LesseeOperatingAndFinanceLeaseLiability

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFour

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearThree

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsYearOne

exr:LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount

exr:NetOperatingRealEstateAssets
us-gaap:PreferredUnitsByName
exr:NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValue

exr:NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid
us-gaap:SubsequentEventType
exr:NoteReceivablePrincipalAmount
us-gaap:StatementEquityComponents
exr:NoteReceivableReductionOfNoncontrollingInterests

exr:OperatingPartnershipUnitsRedemptionAmount

exr:RealEstateInvestmentPropertyIntangibleTenantRelationships
us-gaap:LongtermDebtType
exr:RecourseDebtPrincipalAmount

exr:TenantReinsurancePolicyAverageAmountOfInsuranceCoverage
us-gaap:Range
exr:UnconsolidatedJointVenturesExcessProfitParticipationPercentage
us-gaap:Range, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:SubsidiarySaleOfStock
exr:ValueOfStockAvailableForIssuanceUnderATM

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:StatementGeographical

srt:RealEstateFederalIncomeTaxBasis

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:ConvertibleDebt
us-gaap:FairValueByMeasurementBasis
us-gaap:ConvertibleDebtFairValueDisclosures
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleConversionPrice1
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:DebtInstrument
us-gaap:DebtInstrumentRepurchasedFaceAmount
us-gaap:Range, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtWeightedAverageInterestRate
us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInvestmentInSubsidiaries

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsStateTaxes

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeFixedInterestRate

us-gaap:DerivativeNotionalAmount
us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:DevelopmentInProcess

us-gaap:DividendsReceivable

us-gaap:DueFromRelatedPartiesNoncurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity

us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:Range
us-gaap:Range, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet
us-gaap:BalanceSheetLocation
us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:InvestmentBuildingAndBuildingImprovements

us-gaap:LandAvailableForDevelopment

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense

us-gaap:LineOfCredit
us-gaap:LineOfCreditFacility
us-gaap:LineOfCreditFacility
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd
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:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtPercentageBearingFixedInterestAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtPercentageBearingVariableInterestAmount

us-gaap:MinorityInterestInOperatingPartnerships

us-gaap:MinorityInterestInPreferredUnitHolders
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners
us-gaap:Ownership, us-gaap:Range
us-gaap:Ownership, us-gaap:Range, us-gaap:StatementEquityComponents
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent

us-gaap:NotesPayable
us-gaap:LongtermDebtType
us-gaap:FairValueByMeasurementBasis
us-gaap:NotesPayableFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:NotesReceivableFairValueDisclosure
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:NotesReceivableNet

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:OtherCommitments
us-gaap:OtherCommitment

us-gaap:OtherLiabilities

us-gaap:PreferredUnitsPreferredPartnersCapitalAccounts
us-gaap:PreferredUnitsByName

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateHeldforsale

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAtCost

us-gaap:RealEstateInvestmentPropertyNet

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:SECScheduleIIIRealEstateInvestmentPropertyNet

us-gaap:SaleOfStockPricePerShare
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Income Tax Expense Benefit
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
Operating Lease Right Of Use Asset
Liabilities
Accounts Payable And Accrued Liabilities Current And Noncurrent
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
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Next Twelve Months

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CommonStockValue ██▆▄▄▄▄▄▃▂▂▁▁▁▁▁▁▁1.3371.3361.3141.2911.2911.291.2951.2941.2851.2741.2711.2641.2611.261.261.261.261.259
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁140.407195139.676548NA129.871096129.082468137.13956NA137.318475135.654761134.289716NA134.24029132.772772132.683NA133.044473132.783402132.618644
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁133.75661132.007556NA128.862341128.932152129.288629NA128.776549127.585436127.037247NA126.466837125.87413125.772439NA125.717517125.673156125.605403
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁1.0564330.337839NA8.2275338.4849611.555636NA1.400921.507888NANANANANANANANANA
us-gaap:EarningsPerShareBasic ▅▇▅▃▂▂▂▂▂▂▂▄▂▁█▂▁▁1.251.541.190.890.80.840.870.840.820.740.81.030.750.71.710.740.690.65
us-gaap:EarningsPerShareDiluted ▅▇▅▃▂▂▂▂▂▂▂▄▂▁█▂▁▁1.251.531.210.880.80.830.860.830.810.740.81.020.750.71.690.740.690.64
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 Cost Ratio us-gaap:ConsolidationItems us-gaap:OperatingSegments█▆▆▅▄▅▅▅▄▃▃▃▂▁▁▁363.834343.212339.66329.717314.39320.316321.974324.505311.285300.8296.445296.833286.649274.92271.702274.471NANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,exr:SelfStorageOperations█▆▆▅▄▅▅▅▄▃▃▃▂▁▁▁321.5303.593301.084290.423279.312286.703288.673290.917279.584271.003266.598266.728258.128247.886246.351248.589NANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,exr:TenantReinsurance█▇▆▇▅▄▄▄▄▃▃▃▂▂▁▁42.33439.61938.57639.29435.07833.61333.30133.58831.70129.79729.84730.10528.52127.03425.35125.882NANA
 Operating Margin us-gaap:ConsolidationItems us-gaap:OperatingSegments█▆▆▅▄▅▅▅▄▃▃▃▂▁▁▁363.834343.212339.66329.717314.39320.316321.974324.505311.285300.8296.445296.833286.649274.92271.702274.471NANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,exr:SelfStorageOperations█▆▆▅▄▅▅▅▄▃▃▃▂▁▁▁321.5303.593301.084290.423279.312286.703288.673290.917279.584271.003266.598266.728258.128247.886246.351248.589NANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,exr:TenantReinsurance█▇▆▇▅▄▄▄▄▃▃▃▂▂▁▁42.33439.61938.57639.29435.07833.61333.30133.58831.70129.79729.84730.10528.52127.03425.35125.882NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▆█▆▄▃▁▄▃▂▃▂▅▄▄█▃▃▃173.298224.911165.671125.18197.49523.305126.75592.12465.54571.92767.75135.85102.812110.237231.5294.49281.19388.328
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▆█▆▅▄▁▄▃▂▃▃▅▄▄█▃▃▄10.89813.60310.7439.8548.0343.6138.7387.1095.8426.246.1189.5537.9348.25614.1117.3426.8047.74
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▆█▆▄▄▁▄▃▂▃▃▅▄▄█▃▃▃184.196238.514176.414135.035105.52926.918135.49399.23371.38778.16773.868145.403110.746118.493245.631101.83487.99796.068
us-gaap:CostOfRevenue ▇█▇█▇▇▇▇▅▄▃▃▃▃▁▂▁▁89.15592.36788.95692.32289.0490.29787.76288.65380.8778.76572.20773.65273.08372.75367.60470.4367.29566.645
us-gaap:CostsAndExpenses ██▇█▇▇▆▇▅▅▃▃▃▃▁▂▁▁181.801181.667175.816179.817177.253175.261171.156174.867165.609163.069150.676153.362152.097151.573140.728144.275139.596138.805
us-gaap:GeneralAndAdministrativeExpense █▆▆▆▇▅▃▅▅▅▁▂▄▄▁▂▄▁26.34123.5424.35223.89425.33723.01120.8722.51923.35122.67818.43419.70721.65121.46418.7919.49821.86518.808
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▅█▅▃▂▂▃▃▂▂▂▄▂▁█▂▁▁169.427212.682163.437122.906109.39113.298120.188117.343112.283101.343108.613138.703101.38193.175219.862100.24893.12789.279
us-gaap:IncomeTaxExpenseBenefit █▇▇█▇▆▆▇▆▆▇▆▆▅▁▇▆▇5.4214.1373.7974.6573.1772.1792.7284.0522.7151.8133.1672.6382.0971.342-5.5293.1632.8673.124
us-gaap:IncomeTaxesPaidNet █▂▁▃▂▂▃▂▃▁▁▁▂▂15.7021.0470.03.3890.8160.9764.1622.1024.272-0.177-0.073-1.0331.3440.492NANANANA
us-gaap:InterestExpense ▁█40.2440.695NA42.21341.03944.358NA46.90847.44847.3648.19745.92643.34740.96640.31939.76637.45635.97
us-gaap:InterestExpenseDebt NANA4.4925.7255.7255.7015.7015.6785.6775.6545.6545.6325.7375.776.066.0536.1576.136
us-gaap:InterestPaidNet ▂▇▅▄▅▅▄█▆▇▆▅▆▄▁▅▁▄31.40244.88739.6238.02740.93741.01337.59248.10843.2945.16541.84739.02541.59537.00729.05839.33630.23837.57
us-gaap:NetIncomeLoss ▅▇▅▃▂▂▃▂▂▂▂▄▂▁█▂▁▁167.948202.998156.056114.633102.911108.179112.282108.087104.82894.77101.462130.41895.15388.256215.98393.76487.00682.282
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▅▇▅▃▂▂▃▂▂▂▂▄▂▁█▂▁▁167.716202.686155.863114.456102.738108.016112.11107.922104.65294.603101.289130.19994.9688.078215.58193.57386.79982.085
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▅▇▄▂▂▂▃▂▂▂▂▄▂▁█▂▁▁175.977214.008155.35114.633102.738113.778118.406113.615110.26699.46106.53136.96399.65992.625229.05498.35591.0684.863
us-gaap:OperatingIncomeLoss ▅█▅▃▃▃▃▃▃▂▃▃▂▂▂▂▂▁196.829241.073195.749163.207149.993157.191164.645162.638159.198148.477156.677153.591144.716133.912141.114139.881136.407124.203
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax ▇█▇▇▆▁█▆▄▅▄▇▇█5.61723.01310.10511.181-5.728-89.24415.214-16.762-41.302-23.993-35.3825.7168.03323.063NANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▁█5.61723.013NA11.181-5.728-89.244NA-16.762-41.302-23.993-35.3825.7168.03323.06316.3160.759-6.1016.334
us-gaap:ProfitLoss ▅▇▅▃▂▂▃▂▂▂▂▄▂▁█▂▁▁178.579215.501166.309123.854111.257116.162120.279115.995112.689102.16109.25139.687102.71395.43229.315101.07594.09889.734
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▁▁▁▁▁█▁▁▁▇▁▁▁▇▇▇▆14.79615.64513.8313.30712.85612.136335.80113.012.31710.746307.35310.1210.16410.565281.842284.156276.003263.008
us-gaap:Revenues █▇▆▆▅▅▅▆▅▄▄▄▃▂▂▂▂▁378.63358.857353.49343.024327.246332.452335.801337.505323.602311.546307.353306.953296.813285.485281.842284.156276.003263.008
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets ███▆▅▅▅▅▅▄▃▃▃▂▂▁▁▁9463.0929336.6129395.8488761.1048529.8948549.4868532.3778318.438390.7198132.5147847.9787798.697721.9497470.6247455.1377086.9557037.4637034.357
us-gaap:Liabilities ▇▆█▆▆▆▅▄▅▄▃▃▃▂▂▁▁▁6102.1376021.9636459.7245993.2825784.3765774.8565610.6835410.4415561.9085358.7025062.5565028.5965006.1474753.9784731.334513.234458.784448.542
us-gaap:LiabilitiesAndStockholdersEquity ███▆▅▅▅▅▅▄▃▃▃▂▂▁▁▁9463.0929336.6129395.8488761.1048529.8948549.4868532.3778318.438390.7198132.5147847.9787798.697721.9497470.6247455.1377086.9557037.4637034.357
us-gaap:StockholdersEquity ██▄▃▂▃▄▄▃▃▃▃▂▂▂▁▁▁2968.0882921.9692547.7792389.2842375.692398.1192539.9612522.7142442.2092384.1492413.7242395.7192341.952343.7542350.7512215.2662221.7912236.116
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▄█▅▃▇▄▄▃▂▃▂▃▂▃▄▁▁56.00660.33109.12474.80356.39793.29765.74662.27747.66738.98857.49645.37849.19435.52755.68363.73231.64829.311
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▃█▄▃▆▃▃▂▁▄▃▃▂▅▄▂▁59.74962.795128.00980.57461.75197.9370.73366.71555.64446.82872.6966.58369.10654.06486.04481.00948.41241.542
us-gaap:Land NANA1952.097NANANA1935.551NANANA1825.133NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareDevelopmentNANA22.708NANANA22.354NANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇▇██████▇▃▁233.929238.927252.172256.154261.304259.681264.643269.318221.47994.1980.0NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive,us-gaap:SeniorNotesNANANA575.0573.154571.321569.513567.705565.92564.136562.374NANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA29.591NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA29.642NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA30.008NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA30.485NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA199.168NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:StockholdersEquity ██▄▃▂▃▄▄▃▃▃▃▂▂▂▁▁▁2968.0882921.9692547.7792389.2842375.692398.1192539.9612522.7142442.2092384.1492413.7242395.7192341.952343.7542350.7512215.2662221.7912236.116
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ██▄▃▃▃▄▄▃▃▃▃▂▂▂▁▁▁3360.9553314.6492936.1242767.8222745.5182774.632921.6942907.9892828.8112773.8122785.4222770.0942715.8022716.6462723.8072573.7252578.6832585.815
us-gaap:CommonStockValue ██▆▄▄▄▄▄▃▂▂▁▁▁▁▁▁▁1.3371.3361.3141.2911.2911.291.2951.2941.2851.2741.2711.2641.2611.261.261.261.261.259
us-gaap:AdditionalPaidInCapitalCommonStock ██▅▄▄▄▄▄▃▂▂▁▁▁▁▁▁▁3288.8523282.2553000.4582889.5922884.942872.9332868.6812861.6112756.7992648.7232640.7052581.1582554.4472550.5782569.4852567.2342569.9652567.228
us-gaap:RetainedEarningsAccumulatedDeficit █▆▃▁▁▃▆▆▆▇▇█▇▇█▂▂▃-250.271-284.442-354.9-392.891-391.285-362.264-301.049-296.752-288.399-277.655-262.902-255.065-276.688-263.355-253.284-370.959-366.437-355.187
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▂▁▁▁▄▄▄▆▇███▇▆▆▆-71.83-77.18-99.093-108.708-119.256-113.84-28.966-43.439-27.47611.80734.6568.36262.9355.27133.2917.73117.00322.816
us-gaap:StockIssuedDuringPeriodValueNewIssues NA273.72NANANANANA100.05698.796NA56.45133.78NANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNA273.698NANANANANA100.04798.787NA56.44433.777NANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStockNA0.022NANANANANA0.0090.009NA0.0070.003NANANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▁█8.9749.025NANA8.3868.505NANANANANANANANANA7.8167.8828.443
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▅▅▅▅▅▃▄▅▄▃▅▄▄▃▃▄▁259.808203.88187.965191.194202.817189.256163.22181.059194.068169.339148.768189.285168.134171.608147.746160.58175.928113.121
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅█▁▅▇▇▄█▅▅▆▆▅▇▄▇▇▇-187.89742.595-591.582-251.977-51.295-60.573-265.25384.052-193.454-246.975-126.869-87.934-198.167-30.928-281.812-38.71-48.944-0.09
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▁█▅▂▃▅▂▄▄▄▃▄▂▅▃▃▃-74.957-311.689451.05279.606-187.701-101.486106.051-254.048.20251.774-15.792-103.87445.075-172.66126.017-89.786-124.647-127.578
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▁█▆▃▇▅▆▆▃▅▅▆▃-3.046-65.21447.43518.823-36.17927.1974.01811.0718.816-25.8626.107-2.52315.042-31.98NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AmortizationOfFinancingCosts ▂▂▁▂▁▃▃▃▃▃█▄▃▃▃▄▃▃2.5832.2862.032.412.1162.833.0772.9062.9723.0345.0563.1663.0433.0213.0433.1632.983.103
us-gaap:DepreciationDepletionAndAmortization █▁59.5758.599NA56.41256.01855.27554.74156.05154.40654.65953.12652.28351.89251.74949.15748.07546.63249.432
us-gaap:NetCashProvidedByUsedInOperatingActivities █▅▅▅▅▅▃▄▅▄▃▅▄▄▃▃▄▁259.808203.88187.965191.194202.817189.256163.22181.059194.068169.339148.768189.285168.134171.608147.746160.58175.928113.121
us-gaap:NetIncomeLoss ▅▇▅▃▂▂▃▂▂▂▂▄▂▁█▂▁▁167.948202.998156.056114.633102.911108.179112.282108.087104.82894.77101.462130.41895.15388.256215.98393.76487.00682.282
us-gaap:ProfitLoss ▅▇▅▃▂▂▃▂▂▂▂▄▂▁█▂▁▁178.579215.501166.309123.854111.257116.162120.279115.995112.689102.16109.25139.687102.71395.43229.315101.07594.09889.734
us-gaap:ShareBasedCompensation █▅█▄█▃▄▃▆▃▃▂▄▃▂▂▃▁4.9833.6524.9653.4524.8842.983.0643.0353.9982.9542.7212.6133.1162.7262.3172.2892.9651.99
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅█▁▅▇▇▄█▅▅▆▆▅▇▄▇▇▇-187.89742.595-591.582-251.977-51.295-60.573-265.25384.052-193.454-246.975-126.869-87.934-198.167-30.928-281.812-38.71-48.944-0.09
us-gaap:PaymentsToAcquireProductiveAssets █▁190.729148.94NANA0.019.354NANANANANANANANANANANANA
us-gaap:PaymentsToAcquireRealEstate ▄▃▃▂▁▁▂▁▁▄▂▂▃▂█▁▁▁213.457161.752168.904105.99815.08230.16462.3838.30636.256212.55299.37788.858162.03176.122534.14546.38933.51539.136
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▁█▅▂▃▅▂▄▄▄▃▄▂▅▃▃▃-74.957-311.689451.05279.606-187.701-101.486106.051-254.048.20251.774-15.792-103.87445.075-172.66126.017-89.786-124.647-127.578
us-gaap:PaymentsOfDividendsCommonStock ██▅▅▅▅▅▅▄▃▃▃▃▁▁▁▁▁133.777132.54118.065116.185116.318117.197116.579116.44115.572109.523109.299108.795108.48698.32798.28698.28698.25698.212
us-gaap:PaymentsForRepurchaseOfCommonStock NANA0.00.05415.61552.204NANA0.00.0NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1337000.01336000.01314000.01291000.01291000.01290000.01295000.01294000.01285000.01274000.01271000.01264000.01261000.01260000.01260000.01260000.01260000.01259000.01259000.01258000.01252000.01251000.01241000.01233000.01228000.01164000.01163000.01160000.01160000.01158000.01157000.01112000.01112000.01109000.01107000.01043000.01041000.0950000.0948000.0943000.0942000.0885000.0876000.0867000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value14013912912913713713513413413213213313213213313213113012412212112112111711511410810699989692929291
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value13313212812812912812712712612512512512512512512412412211611611511511511111111010410294949188878786
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302014-09-302013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1056400.0337840.08227500.08485000.01555600.01400900.01507900.029547.051036.052471.024950.015223.066042.032612.0120630.0122320.0290820.01161800.01902700.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:StatementClassOfStock

exr:SeriesAUnits


Antidilutive
Period End2020-09-302020-06-302019-06-30
Value875480.0875480.00
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount10.610.30.0

exr:SeriesBUnits


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value273030.0337840.0400670.0450800.0402400.0362380.0398840.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount25.8100.04.95.325.925.926.5

exr:SeriesDUnits


Antidilutive
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-30
Value783410.01135500.01282300.01153200.01038500.01109000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount74.213.815.174.174.173.5

us-gaap:CommonStock


Antidilutive
Period End2020-09-302020-06-302019-06-30
Value5815900.05876400.00
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount70.769.30.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.251.541.190.890.80.840.870.840.820.740.81.030.750.71.710.740.690.650.650.940.660.660.070.580.470.460.390.470.360.320.680.260.310.280.330.370.220.210.170.160.120.090.10.090.070.04
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.251.531.210.880.80.830.860.830.810.740.81.020.750.71.690.740.690.640.650.930.660.660.070.580.470.460.390.470.360.320.670.260.310.280.330.370.220.210.170.160.120.090.10.090.070.04
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value17322416512597231269265716713510211023194818814013065532352614739553634832752323635192016138.8519.41
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 RevenueFromContractWithCustomerExcludingAssessedTax1171.21437.60.0940.7758.4192.037.7708.6532.2669.322.01342.41011.51043.482.133.329.433.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


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
Value1013109.8548.0343.6138.7387.1095.8426.246.1189.5537.9348.256147.3426.8047.74119.7616.1055.2543.9875.4565.9414.6174.1365.1374.0973.755.592.9963.2372.5632.8232.8142.1982.2952.1312.0331.8291.893
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax73.786.90.074.162.529.82.654.747.458.12.094.478.178.15.02.62.52.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value1842381761351052613599717873145110118245101879615114071582758675244614038893055353937212218151011
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 RevenueFromContractWithCustomerExcludingAssessedTax1244.91524.50.01014.8820.9221.840.3763.3579.6727.424.01436.81089.61121.687.235.831.936.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value89928892899087888078727373726770676664626261594848474343424337343334313026262524222321212021
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax602.6590.40.0693.8692.6744.026.1681.9656.6733.023.5727.8719.0688.624.024.824.425.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value181181175179177175171174165163150153152151140144139138137134133135185100104979789899184777272706657585852525049484546
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 RevenueFromContractWithCustomerExcludingAssessedTax1228.71161.20.01351.31378.81444.151.01345.11344.61517.549.01515.41496.41434.749.950.850.652.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostsAndExpenses us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value959994999596959687857981787872767170
Percentage of CostsAndExpenses52.754.853.955.354.155.355.855.153.052.652.553.151.651.751.753.250.950.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax648.1636.20.0747.8745.9799.128.5740.7713.3797.825.7804.1772.9741.725.827.025.826.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostsAndExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, exr:SelfStorageOperations


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value899288928990878880787273737267706766
Percentage of CostsAndExpenses49.050.850.651.350.251.551.350.748.848.347.948.048.148.048.048.848.248.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax602.6590.40.0693.8692.6744.026.1681.9656.6733.023.5727.8719.0688.624.024.824.425.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments exr:SelfStorageOperations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, exr:TenantReinsurance


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.7357.1615.7697.1896.8586.6787.7837.6446.9826.9676.9097.725.4715.6075.1776.2723.8043.92
Percentage of CostsAndExpenses3.73.93.34.03.93.84.54.44.24.34.65.03.63.73.74.32.72.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.545.80.054.053.355.02.358.856.764.82.276.353.853.11.82.21.41.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments exr:TenantReinsurance0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value26232423252320222322181921211819211818192023181616161613141513131312121212121312121111101111
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax178.0150.50.0179.6197.1189.66.2173.2189.6211.06.0194.7213.0203.26.76.97.97.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value16921216312210911312011711210110813810193219100938987909062117860554855434138313730252623151715108.5839.6468.8347.584.723
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1145.11359.40.0923.6850.9933.635.8902.6911.6943.135.31370.6997.5881.978.035.333.733.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.4214.1373.7974.6573.1772.1792.7284.0522.7151.8133.1672.6382.0971.342-5.5293.1632.8673.1244.8434.4663.7732.7653.1543.5612.1852.2482.233-1.0063.5132.832.8372.2812.8582.0081.1731.6561.6340.950.552-0.0620.4110.2540.8151.0881.2141.045
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.626.40.035.024.718.00.831.222.016.91.026.120.612.7-2.01.11.01.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value151.0470.03.3890.8160.9764.1622.1024.272-0.177-0.073-1.0331.3440.492
Percentage of IncomeTaxesPaidNet100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax106.16.70.025.56.38.01.216.234.7-1.6-0.0-10.213.24.7

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4040424144464747484543404039373535333231302022212020201919161817191815181716161614151617
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax272.0260.1317.2319.2365.5360.8385.2440.715.7453.8426.5387.814.314.013.613.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense Debt

us-gaap:InterestExpenseDebt

us-gaap:InterestExpenseDebt


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.4925.7255.7255.7015.7015.6785.6775.6545.6545.6325.7375.776.066.0536.1576.1366.1316.116.1076.1156.1112.7772.182.181
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.043.044.547.01.743.746.152.61.855.756.454.62.22.12.22.30.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31443938404137484345413941372939303727343424291919211921171619131615171616141613171414131615
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax212.2286.90.0285.8318.4337.911.2370.1351.5420.313.6385.6409.2350.310.313.811.014.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1672021561141021081121081049410113095882159387828211883828.6757155534554413776293431363822201615108.3018.9167.6676.183.568
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1135.11297.50.0861.4800.5891.433.4831.4851.1881.933.01288.7936.2835.476.633.031.531.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1672021551141021081121071049410113094882159386828211782828.5067155534454413776293431363822201615108.3018.9167.6676.183.568
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1133.51295.50.0860.1799.1890.033.4830.2849.7880.433.01286.6934.3833.776.532.931.431.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1752141551141021131181131109910613699922299891846812486868.9637558564656433874303532374023211615118.7079.3588.0566.505
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1189.41367.90.0861.4799.1937.535.3874.0895.2925.634.71353.4980.5876.781.334.633.032.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19624119516314915716416215914815615314413314113913612412312211093409781756977706057565346434337323431252423232220
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1330.31540.90.01226.51166.71295.249.01251.11292.51381.751.01517.71423.81267.550.149.249.447.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value267243244230218223226228223215217215208196198197194183
Percentage of OperatingIncomeLoss136.1101.1125.1141.1145.7142.1137.5140.3140.3144.8138.7140.3143.8146.8141.0141.4142.2148.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1810.91557.60.01730.01699.51840.367.41755.41814.02001.470.72129.12047.41860.570.669.670.369.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, exr:SelfStorageOperations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value232211212198190196200202198192194193185175178178173164
Percentage of OperatingIncomeLoss118.087.6108.4121.4126.9124.9122.0124.4124.8129.5124.1125.7127.9130.8126.7127.4127.2132.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1570.31350.10.01488.71480.01618.459.81555.91613.31788.963.21907.91820.61657.763.462.762.962.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments exr:SelfStorageOperations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, exr:TenantReinsurance


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value353232322826252524222222232120192018
Percentage of OperatingIncomeLoss18.113.516.819.718.817.115.516.015.515.414.614.615.916.014.314.015.015.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax240.6207.50.0241.3219.5221.97.6199.6200.7212.57.5221.2226.8202.87.26.97.47.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments exr:TenantReinsurance0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.617231011-5.728-89.24415-16.762-41.302-23.993-35.3825.7168.03323
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.0147.10.084.0-44.6-735.44.5-128.9-335.3-223.3-11.556.579.0218.3

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5.6172311-5.728-89.244-16.762-41.302-23.993-35.3825.7168.03323160.759-6.1016.3346113-18.797-31.14815-20.0196.305-6.593-5.4471.834-5.701-2.7477.346-2.051181.571
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.0147.184.0-44.6-735.4-128.9-335.3-223.3-11.556.579.0218.35.80.3-2.22.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

exr:CommonOperatingPartnership


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.2320.9560.55-0.271-3.807-0.698-1.765-1.003-1.4490.2450.3240.9380.6550.027-0.2490.2492.8570.538-0.769-1.3510.798-0.8940.281-0.231-0.19
Percentage of OtherComprehensiveIncomeLossNetOfTax4.14.24.94.74.34.24.34.24.14.34.04.14.03.64.13.94.74.04.14.35.24.54.53.53.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.66.14.1-2.1-31.4-5.4-14.3-9.3-0.52.43.28.90.20.0-0.10.10.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exr:CommonOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:PreferredOperatingPartnership


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312013-06-302013-03-31
Value0.0350.1440.083-0.041-0.563-0.101-0.254-0.1470.0390.050.1440.1570.014
Percentage of OtherComprehensiveIncomeLossNetOfTax0.60.60.70.70.60.60.60.60.70.60.60.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.90.6-0.3-4.6-0.8-2.1-1.40.40.51.40.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exr:PreferredOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5.352110-5.416-84.874-15.963-39.283-22.843-33.7125.4327.65921150.728-5.8136.0465712-17.906-29.58714-18.9935.981-6.316-5.2191.662-5.455-2.6287.01-1.962171.514
Percentage of OtherComprehensiveIncomeLossNetOfTax95.295.294.394.695.195.295.195.295.395.095.395.395.495.995.395.594.695.395.395.094.094.994.995.895.890.695.795.795.495.796.796.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.2140.179.3-42.1-699.4-122.8-318.9-212.6-11.053.775.4208.15.50.3-2.12.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1782151661231111161201151121021091391029522910194899012790891178605849594641823237333841242218171210109.4827.9255.179
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1206.91377.40.0930.7865.4957.235.8892.3914.9950.735.51380.31010.6903.381.435.634.134.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

exr:CommonOperatingPartnership


Profit
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
Value7.198.8285.9865.2164.8774.8284.7544.2354.3985.5474.0683.7849.1643.9693.6833.5014.0714.9933.5623.6360.3963.3812.6011.9661.649
Percentage of ProfitLoss4.04.14.84.74.24.24.24.14.04.04.04.04.03.93.93.94.53.94.04.13.44.34.33.43.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.656.445.040.640.237.138.639.41.454.840.035.83.31.41.31.30.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exr:CommonOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:NonControllingInterestOther


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-06-302015-03-312014-12-31
Value0.003-0.005-0.013-0.009-0.006-0.009-0.022-0.0090.0-0.001-0.024-0.0520.00.0010.0-0.0010.0090.0020.005
Percentage of ProfitLoss0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.10.00.00.0-0.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.0-0.1-0.1-0.0-0.1-0.2-0.10.0-0.0-0.0-0.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exr:NonControllingInterestOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:PreferredOperatingPartnership


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3.4383.683.2483.1393.1123.0893.1293.1643.7233.4923.391.7451.7171.7681.8051.6541.6491.6071.5981.5521.532
Percentage of ProfitLoss1.91.72.62.82.72.72.83.12.73.43.64.75.14.54.36.77.38.79.212.415.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.223.524.424.425.623.825.429.436.834.432.10.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exr:PreferredOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1672021141021081081049410113095882159387828211883828.675715553455441373431363822201615108.301
Percentage of ProfitLoss94.094.292.692.593.193.293.092.892.993.492.692.594.292.892.591.791.192.892.292.473.991.790.891.791.291.690.690.692.992.692.892.990.689.888.487.984.881.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1135.11297.5861.4800.5891.4831.4851.1881.933.01288.7936.2835.476.633.031.531.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value141513131212335131210307101010281284276263
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value378358353343327332335337323311307306296285281284276263
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2559.02293.72556.02577.82545.52739.4100.02596.22627.32899.2100.03033.12920.22702.2100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Revenuesus-gaap:
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
Value363343339329314320321324311300296296286274271274
Percentage of Revenues96.195.696.196.196.196.395.996.196.296.696.596.796.696.396.496.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2459.02193.72456.02477.82445.52639.495.92496.22527.32799.296.52933.12820.22602.296.496.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, exr:SelfStorageOperations


Revenuesus-gaap:
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
Value321303301290279286288290279271266266258247246248
Percentage of Revenues84.984.685.284.785.486.286.086.286.487.086.786.987.086.887.487.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2172.91940.52177.02182.52172.62362.486.02237.82269.92521.986.72635.72539.62346.387.487.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments exr:SelfStorageOperations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, exr:TenantReinsurance


Revenuesus-gaap:
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
Value42393839353333333129293028272525
Percentage of Revenues11.211.010.911.510.710.19.910.09.89.69.79.89.69.59.09.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax286.1253.2278.9295.3272.9277.09.9258.4257.4277.39.7297.5280.6255.99.09.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments exr:TenantReinsurance0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value94639336939587618529854985328318839081327847779877217470745570867037703470916742645862916071600248334464440242254208412339773518343232293223301227082523251623742310225322482407
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value61026021645959935784577456105410556153585062502850064753473145134458444844954212401538663698361524102557249022922278220020451849184216751678168213971443144213121251130513091461
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets64.564.568.868.467.867.565.865.066.365.964.564.564.863.663.563.763.463.263.462.562.261.460.960.249.957.356.654.254.153.451.452.653.751.952.155.951.657.257.355.354.258.058.260.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value94639336939587618529854985328318839081327847779877217470745570867037703470916742645862916071600248334464440242254208412339773518343232293223301227082523251623742310225322482407
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value29682921254723892375239825392522244223842413239523412343235022152221223622442198211421432089210921441732173717391736175017581514153014991491127412551024101810071004890881884
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.431.327.127.327.928.029.830.329.129.330.830.730.331.431.531.331.631.831.732.632.734.134.435.144.438.839.541.241.342.444.243.044.646.446.342.346.440.640.542.443.539.539.236.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312014-01-092013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value56601097456936562473857454935556331294318414975111517545474953471261268120635304318537263335424621281081316317
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.61.20.90.71.10.80.70.60.50.70.60.60.50.70.90.40.40.60.30.60.81.218.63.61.01.11.21.31.10.03.22.36.01.11.01.46.81.51.11.41.51.92.10.00.00.05.50.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value596212880619770665546726669548681484157106
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.71.40.90.71.10.80.80.70.60.90.90.90.71.21.10.70.60.81.8

Land

us-gaap:Land

us-gaap:Land


Land
Period End2020-12-312019-12-312018-12-31
Value195219351825
Percentage of Land100.0100.0100.0
Percentage of Assets20.822.723.3

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:SoftwareDevelopment


Property
Period End2020-12-312019-12-31
Value2222
Percentage of PropertyPlantAndEquipmentNet100.0100.0
Percentage of Assets0.20.3
Percentage of Assets us-gaap:SoftwareDevelopment0.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value233238252256261259264269221940.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.52.62.72.93.13.03.13.22.61.20.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1261331303201881591621412721411581911651811631521221361671531371701701189396969793959681726666716554515450474850
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.43.72.21.91.91.73.21.72.02.52.12.42.22.21.71.92.42.32.12.72.82.01.92.22.22.32.22.32.42.32.12.12.12.42.42.12.02.32.22.12.12.1

Long Term Debt

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebt

exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive, us-gaap:SeniorNotes


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value575573571569567565564562
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.66.76.76.76.86.76.97.2
Percentage of Assets exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive us-gaap:SeniorNotes0.00.00.00.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value29
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value29
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value30
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value30
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value199
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets2.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2382422632672712702742792301030.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.52.62.83.03.23.23.23.42.81.30.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value348
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets3.7

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value84
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.9

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value29682921254723892375239825392522244223842413239523412343235022152221223622442198211421432089210921441732173717391736175017581514153014991491127412551024101810071004890881884
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.431.327.127.327.928.029.830.329.129.330.830.730.331.431.531.331.631.831.732.632.734.134.435.144.438.839.541.241.342.444.243.044.646.446.342.346.440.640.542.443.539.539.236.7

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value33603314293627672745277429212907282827732785277027152716272325732578258525962529244324252372238724231907191119331930192319311635158915531545133013101079107310621058947939946946704
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.535.531.231.632.232.534.235.033.734.135.535.535.236.436.536.336.636.836.637.537.838.639.139.850.142.743.445.845.946.648.646.546.348.147.944.148.442.842.744.745.842.041.839.30.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

exr:CommonOperatingPartnership


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-312011-12-31
Value219219215206196200205209210213218213213212213202200201203195193201202197197929290912224
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest6.56.67.47.57.27.27.07.27.47.77.87.77.97.87.87.97.87.87.87.77.98.38.58.38.24.84.84.74.71.52.2
Percentage of Assets2.32.42.32.42.32.32.42.52.52.62.82.72.82.82.92.92.92.92.92.93.03.23.33.34.12.12.12.12.30.71.0
Percentage of Assets exr:CommonOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:NonControllingInterestOther


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-312011-12-31
Value0.4990.3460.4010.4060.4190.360.3660.3460.2590.2310.240.240.2390.2390.1191.7951.8060.00.00.1610.1610.1620.1620.1730.9860.9841.0321.0251.1141.101
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.00.00.00.00.00.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets exr:NonControllingInterestOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:PreferredOperatingPartnership


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value1721721721711721751751751761761531601601601591473029292929292929292929292930
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest5.15.25.96.26.36.36.06.06.26.45.55.85.95.95.95.71.91.91.92.22.32.82.82.82.83.13.23.23.24.3
Percentage of Assets1.81.81.82.02.02.12.12.12.12.22.02.12.12.12.12.10.90.90.91.01.11.21.21.21.31.31.31.20.00.0
Percentage of Assets exr:PreferredOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312007-12-31
Value-71.83-77.18-99.093-108.708-119.256-113.84-28.966-43.439-27.47611346862553317172216-41.094-53.845-35.939-6.352-20.812-1.819-7.8-1.4843.7352.0737.528103.1465.108-12.759-14.273-14.956-11.525-8.142-7.936-7.819-6.436-4.678-5.787-1.056-1.314
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.1-2.3-3.4-3.9-4.3-4.1-1.0-1.5-1.00.41.22.52.32.01.20.70.70.90.6-1.6-2.2-1.5-0.3-0.9-0.1-0.4-0.10.20.10.40.50.20.3-0.8-0.9-1.1-0.9-0.8-0.7-0.7-0.6-0.5-0.6-0.1-0.2
Percentage of Assets-0.8-0.8-1.1-1.2-1.4-1.3-0.3-0.5-0.30.10.40.90.80.70.40.30.20.30.2-0.6-0.8-0.6-0.1-0.3-0.0-0.2-0.00.10.00.20.30.10.1-0.4-0.4-0.5-0.4-0.3-0.3-0.3-0.3-0.2-0.3-0.00.0
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value328832823000288928842872286828612756264826402581255425502569256725692567256625622510250624312401241619981995198219811976197317661765174217401531152712941290128112781161114811381130848
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest97.999.0102.2104.4105.1103.598.298.497.595.594.893.294.193.994.399.799.799.398.8101.3102.8103.3102.5100.699.7104.8104.4102.5102.6102.8102.1108.0111.1112.2112.6115.2116.5119.9120.1120.6120.8122.6122.3120.3119.5120.5
Percentage of Assets34.835.231.933.033.833.633.634.432.932.633.633.133.134.134.536.236.536.536.238.038.939.840.140.050.044.845.346.947.147.949.650.251.454.054.050.856.451.351.354.055.351.551.147.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value1.3371.3361.3141.2911.2911.291.2951.2941.2851.2741.2711.2641.2611.261.261.261.261.2591.2591.2581.2521.2511.2411.2331.2281.1641.1631.161.161.1581.1571.1121.1121.1091.1071.0431.0410.950.9480.9430.9420.8850.8760.8670.8580.658
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-250.271-284.442-354.9-392.891-391.285-362.264-301.049-296.752-288.399-277.655-262.902-255.065-276.688-263.355-253.284-370.959-366.437-355.187-339.257-323.472-343.444-328.801-337.566-273.015-272.13-258.728-257.738-248.179-247.871-235.009-226.002-256.64-241.391-231.369-235.064-243.546-261.288-262.874-264.086-267.122-269.173-266.588-262.508-253.875-253.052-209.713
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-7.4-8.6-12.1-14.2-14.3-13.1-10.3-10.2-10.2-10.0-9.4-9.2-10.2-9.7-9.3-14.4-14.2-13.7-13.1-12.8-14.1-13.6-14.2-11.4-11.2-13.6-13.5-12.8-12.8-12.2-11.7-15.7-15.2-14.9-15.2-18.3-19.9-24.3-24.6-25.2-25.4-28.1-28.0-26.8-26.7-29.8
Percentage of Assets-2.6-3.0-3.8-4.5-4.6-4.2-3.5-3.6-3.4-3.4-3.3-3.3-3.6-3.5-3.4-5.2-5.2-5.0-4.8-4.8-5.3-5.2-5.6-4.5-5.6-5.8-5.9-5.9-5.9-5.7-5.7-7.3-7.0-7.2-7.3-8.1-9.6-10.4-10.5-11.3-11.6-11.8-11.7-10.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1337000.01336000.01314000.01291000.01291000.01290000.01295000.01294000.01285000.01274000.01271000.01264000.01261000.01260000.01260000.01260000.01260000.01259000.01259000.01258000.01252000.01251000.01241000.01233000.01228000.01164000.01163000.01160000.01160000.01158000.01157000.01112000.01112000.01109000.01107000.01043000.01041000.0950000.0948000.0943000.0942000.0885000.0876000.0867000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32883282300028892884287228682861275626482640258125542550256925672569256725662562251025062431240124161998199519821981197619731766176517421740153115271294129012811278116111481138
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.835.231.933.033.833.633.634.432.932.633.633.133.134.134.536.236.536.536.238.038.939.840.140.050.044.845.346.947.147.949.650.251.454.054.050.856.451.351.354.055.351.551.147.3

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-250270000.0-284440000.0-354900000.0-392890000.0-391280000.0-362260000.0-301050000.0-296750000.0-288400000.0-277660000.0-262900000.0-255060000.0-276690000.0-263360000.0-253280000.0-370960000.0-366440000.0-355190000.0-339260000.0-323470000.0-343440000.0-328800000.0-337570000.0-273020000.0-272130000.0-258730000.0-257740000.0-248180000.0-247870000.0-235010000.0-226000000.0-256640000.0-241390000.0-231370000.0-235060000.0-243550000.0-261290000.0-262870000.0-264090000.0-267120000.0-269170000.0-266590000.0-262510000.0-253880000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.6-3.0-3.8-4.5-4.6-4.2-3.5-3.6-3.4-3.4-3.3-3.3-3.6-3.5-3.4-5.2-5.2-5.0-4.8-4.8-5.3-5.2-5.6-4.5-5.6-5.8-5.9-5.9-5.9-5.7-5.7-7.3-7.0-7.2-7.3-8.1-9.6-10.4-10.5-11.3-11.6-11.8-11.7-10.5

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-71.83-77.18-99.093-108.708-119.256-113.84-28.966-43.439-27.47611346862553317172216-41.094-53.845-35.939-6.352-20.812-1.819-7.8-1.4843.7352.0737.528103.1465.108-12.759-14.273-14.956-11.525-8.142-7.936-7.819-6.436-4.678-5.787-1.056
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.8-0.8-1.1-1.2-1.4-1.3-0.3-0.5-0.30.10.40.90.80.70.40.30.20.30.2-0.6-0.8-0.6-0.1-0.3-0.0-0.2-0.00.10.00.20.30.10.1-0.4-0.4-0.5-0.4-0.3-0.3-0.3-0.3-0.2-0.3-0.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-03-312019-09-302019-06-302018-12-312018-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302012-12-312012-09-302011-12-312011-09-30
Value273100985633-0.00150-0.20573-0.03230202-0.006-0.003-0.18
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312019-09-302019-06-302018-12-312018-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302012-12-312012-09-302011-12-312011-09-30
Value273100985633-0.00150-0.20673-0.03230202-0.006-0.003-0.18
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.5100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-03-312019-09-302019-06-302018-12-312018-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302012-12-312012-09-302011-12-312011-09-30
Value0.0220.0090.0090.0070.0030.00.0050.0010.0080.00.0040.060.00.00.0
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.00.00.0-0.00.0-0.50.0-0.00.00.0-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-06-302020-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value8.9749.0258.3868.5057.8167.8828.4438.3448.3537.8546.4466.4296.5016.5774.9964.8255.0274.9644.2654.3613.5352.9922.3742.4512.2482.2482.252.0032.0032.0672.025
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

exr:CommonOperatingPartnership


Minority
Period End2021-06-302021-03-312020-06-302020-03-312018-09-302017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value5.7515.8015.2355.3270.5724.364.3484.3564.3584.3174.3013.3163.2983.373.4592.0522.041
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders64.164.362.462.60.055.855.251.652.251.754.851.451.351.852.641.142.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets exr:CommonOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:PreferredOperatingPartnership


Minority
Period End2021-06-302021-03-312020-06-302020-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3.2233.2243.1513.1781.8331.6851.6851.6361.6351.6361.5761.5771.5761.576
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders35.935.737.637.461.371.068.772.872.772.778.778.776.277.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets exr:PreferredOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-06-302011-03-312010-06-302010-03-31
Value2592031871912021891631811941691481891681711471601751131531461449535303016
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1755.91303.21359.11436.81577.61559.548.61392.81575.61575.848.41870.41654.21624.352.456.563.743.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-06-302011-03-312010-06-302010-03-31
Value-187.89742-591.582-251.977-51.295-60.573-265.25384-193.454-246.975-126.869-87.934-198.167-30.928-281.812-38.71-48.944-0.09-327.725-298.318-147.324-258.668-74.978-20.657-35.50211
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1269.9272.3-4277.5-1893.6-399.0-499.1-79.0646.6-1570.6-2298.3-41.3-868.9-1949.7-292.7-100.0-13.6-17.7-0.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-06-302011-03-312010-06-302010-03-31
Value-74.957-311.68945179-187.701-101.486106-254.048.20251-15.792-103.87445-172.66126-89.786-124.647-127.578199129-5.57513732-13.54-74.94-51.046
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-506.6-1992.33261.4598.2-1460.0-836.231.6-1954.266.6481.8-5.1-1026.4443.5-1634.344.7-31.6-45.2-48.50.00.00.00.00.00.00.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-3.046-65.2144718-36.179274.018118.816-25.8626.107-2.52315-31.98
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.6-416.8343.0141.5-281.4224.11.285.271.6-240.72.0-24.9148.0-302.7

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.5832.2862.032.412.1162.833.0772.9062.9723.0345.0563.1663.0433.0213.0433.1632.983.1033.5343.7712.7942.8232.9031.5481.731.5981.6371.7191.5951.6411.7991.1631.5251.510.8731.6461.1242.2461.8631.4871.1311.1021.0310.9761.0971.25
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value595856565554565454535251514948464949464342403031302929282825232223211916161514141313121212
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

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-06-302011-03-312010-06-302010-03-31
Value2592031871912021891631811941691481891681711471601751131531461449535303016
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1755.91303.21359.11436.81577.61559.548.61392.81575.61575.848.41870.41654.21624.352.456.563.743.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1672021561141021081121081049410113095882159387828211883828.6757155534554413776293431363822201615108.3018.9167.6676.183.568
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1135.11297.51128.4861.4800.5891.433.4831.4851.1881.933.01288.7936.2835.476.633.031.531.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1782151661231111161201151121021091391029522910194899012790891178605849594641823237333841242218171210109.4827.9255.179
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1206.91377.41202.5930.7865.4957.235.8892.3914.9950.735.51380.31010.6903.381.435.634.134.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

exr:CommonOperatingPartnership


Profit
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
Value7.198.8285.9865.2164.8774.8284.7544.2354.3985.5474.0683.7849.1643.9693.6833.5014.0714.9933.5623.6360.3963.3812.6011.9661.649
Percentage of ProfitLoss4.04.14.84.74.24.24.24.14.04.04.04.04.03.93.93.94.53.94.04.13.44.34.33.43.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.656.445.040.640.237.138.639.41.454.840.035.83.31.41.31.30.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exr:CommonOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:NonControllingInterestOther


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-06-302015-03-312014-12-31
Value0.003-0.005-0.013-0.009-0.006-0.009-0.022-0.0090.0-0.001-0.024-0.0520.00.0010.0-0.0010.0090.0020.005
Percentage of ProfitLoss0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.10.00.00.0-0.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.0-0.1-0.1-0.0-0.1-0.2-0.10.0-0.0-0.0-0.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exr:NonControllingInterestOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:PreferredOperatingPartnership


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3.4383.683.2483.1393.1123.0893.1293.1643.7233.4923.391.7451.7171.7681.8051.6541.6491.6071.5981.5521.532
Percentage of ProfitLoss1.91.72.62.82.72.72.83.12.73.43.64.75.14.54.36.77.38.79.212.415.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.223.524.424.425.623.825.429.436.834.432.10.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exr:PreferredOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1672021141021081081049410113095882159387828211883828.675715553455441373431363822201615108.301
Percentage of ProfitLoss94.094.292.692.593.193.293.092.892.993.492.692.594.292.892.591.791.192.892.292.473.991.790.891.791.291.690.690.692.992.692.892.990.689.888.487.984.881.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1135.11297.5861.4800.5891.4831.4851.1881.933.01288.7936.2835.476.633.031.531.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.9833.6524.9653.4524.8842.983.0643.0353.9982.9542.7212.6133.1162.7262.3172.2892.9651.992.0371.9152.3831.711.671.591.6531.1421.1291.0561.6781.1211.1651.0691.5621.0231.0380.9971.3640.9571.8621.1841.5851.1261.1231.0551.4830.919
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-06-302011-03-312010-06-302010-03-31
Value-187.89742-591.582-251.977-51.295-60.573-265.25384-193.454-246.975-126.869-87.934-198.167-30.928-281.812-38.71-48.944-0.09-327.725-298.318-147.324-258.668-74.978-20.657-35.50211
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1269.9272.3-4277.5-1893.6-399.0-499.1-79.0646.6-1570.6-2298.3-41.3-868.9-1949.7-292.7-100.0-13.6-17.7-0.00.00.00.00.00.00.00.00.0

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value1901480.019
Percentage of PaymentsToAcquireProductiveAssets100.0100.00.0100.0

Payments To Acquire Real Estate

us-gaap:PaymentsToAcquireRealEstate

us-gaap:PaymentsToAcquireRealEstate


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2131611681051530623836212998816276534463339323327200234862216377175314225326723
Percentage of PaymentsToAcquireRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-06-302011-03-312010-06-302010-03-31
Value-74.957-311.68945179-187.701-101.486106-254.048.20251-15.792-103.87445-172.66126-89.786-124.647-127.578199129-5.57513732-13.54-74.94-51.046
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-506.6-1992.33261.4598.2-1460.0-836.231.6-1954.266.6481.8-5.1-1026.4443.5-1634.344.7-31.6-45.2-48.50.00.00.00.00.00.00.00.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value13313211811611611711611611510910910810898989898989898977373726854545454464644442727202019131313128.7588.7518.7488.707
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.05415520.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.0100.0100.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value74.5448.8831.5830.4130.624.4216.6215.0113.8913.25
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value201916129.838105.3673.481
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


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
Value3302000.03665000.03872000.04924000.04765000.05609000.06233000.04570000.04135000.03211000.02643000.0
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:AmortizationOfDebtDiscountPremiumEquityComponentOfSeniorNotes

exr:AmortizationOfDebtDiscountPremiumEquityComponentOfSeniorNotes


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value01233000.01233000.01209000.01209000.01186000.01185000.01162000.01162000.01140000.01176000.01209000.01276000.01268000.01290000.01269000.01264000.01243000.01240000.01233000.01112000.0
Percentage of AmortizationOfDebtDiscountPremiumEquityComponentOfSeniorNotes0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures

exr:AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures


Asset
Period End2021-06-30
Value2673000.0
Percentage of AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures100.0

exr:AverageSharePricePerShare

exr:AverageSharePricePerShare


Average
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value149.81121.073.48103.3692.95104.130.83115.63105.0696.0592.8393.184.1177.8476.6875.4784.4190.3186.9173.24
Percentage of AverageSharePricePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:AverageSharePricePerShare us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock

us-gaap:SubsequentEvent, exr:AtTheMarketEquityDistributionAgreement


Average
Period End2021-02-26
Value115.9
Percentage of AverageSharePricePerShare0.0

exr:CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits

exr:CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits


Cash
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value000000002558000.000756000.01754000.0506000.0000
Percentage of CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits0.00.00.00.00.00.00.00.0100.00.00.0100.0100.0100.00.00.00.0

exr:EstablishmentOfFinanceLeaseLiability

exr:EstablishmentOfFinanceLeaseLiability


Establishment
Period End2021-06-302021-03-312020-09-30
Value0.0400.091
Percentage of EstablishmentOfFinanceLeaseLiability0.0100.0100.0

exr:EstablishmentOfOperatingLeaseLiability

exr:EstablishmentOfOperatingLeaseLiability


Establishment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value0.1242.3691.2150.026.7790.00.127521291040.00.0
Percentage of EstablishmentOfOperatingLeaseLiability100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.0

exr:ExchangeOfRealEstateForInterestInJointVenture

exr:ExchangeOfRealEstateForInterestInJointVenture


Exchange
Period End2021-03-01
Value33
Percentage of ExchangeOfRealEstateForInterestInJointVenture100.0

exr:GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets

exr:GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets


Gains
Period End2021-06-302021-03-31
Value0.063
Percentage of GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets0.0100.0

exr:GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate

exr:GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate


Gains
Period End2021-06-302021-03-312019-12-312019-09-30
Value0.0630.00.0
Percentage of GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate0.0100.00.00.0

exr:IncomeLossAttributableToNoncontrollingInterestFixedComponent

exr:IncomeLossAttributableToNoncontrollingInterestFixedComponent


Income
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value572000.0572000.00572000.0572000.0572000.0572000.0572000.0572000.0572000.0-572000.0-572000.05666000.0-572000.0704000.01271000.0-3814000.01271000.01271000.01271000.01271000.01272000.01271000.01274000.01273000.01438000.01437000.01438000.01437000.01438000.01438000.01438000.01437000.01438000.01437000.01438000.01437000.01438000.01437000.01438000.01437000.01438000.01437000.0
Percentage of IncomeLossAttributableToNoncontrollingInterestFixedComponent100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:IncomeLossFromUnconsolidatedRealEstateJointVentures

exr:IncomeLossFromUnconsolidatedRealEstateJointVentures


Income
Period End2021-06-30
Value6251000.0
Percentage of IncomeLossFromUnconsolidatedRealEstateJointVentures100.0

exr:IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits

exr:IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits


Incremental
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value5767500.05800700.005919700.0-26542.06050000.06086000.05961000.024948.05636800.05651900.05663400.03923.05590200.05574400.05596200.0-5557700.05534400.05517600.05621500.0131230.05934500.05642700.04365900.01719.04334100.04334100.04334100.04346600.02898500.02755600.0-304820.03060500.03060500.03064100.003049900.03049900.03207000.003357000.03627400.0
Percentage of IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

exr:IncrementalCommonSharesAttributableToExchangeablePreferredOperatingPartnershipUnits us-gaap:StatementClassOfStock

exr:IncrementalCommonSharesAttributableToExchangeablePreferredOperatingPartnershipUnits

exr:SeriesDUnits


Incremental
Period End2021-06-302021-03-31
Value-104320.0969370.0
Percentage of IncrementalCommonSharesAttributableToExchangeablePreferredOperatingPartnershipUnits100.0100.0

exr:IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions

exr:IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions


Incremental
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
Value7645.023409.0-765560.0793850.0150320.0844140.0-289690.01406500.0889180.0416010.0-2751.0269390.0371280.0371270.048452.0580760.0660400.0541570.0-237790.0786920.0718360.0704970.0129460.0638640.01096000.0953840.0124280.0271930.0276640.0300420.0-11636.0302730.0333320.0411530.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:InterestExpenseExcludingAmortizationOfDebtDiscountPremium

exr:InterestExpenseExcludingAmortizationOfDebtDiscountPremium


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value404042414446
Percentage of InterestExpenseExcludingAmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0

exr:IssuanceOfCommonStockForRepaymentOfSeniorDebtValue us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod

exr:IssuanceOfCommonStockForRepaymentOfSeniorDebtValue

exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive, us-gaap:DebtInstrumentRedemptionPeriodOne


Issuance
Period End2020-10-01
Value13
Percentage of IssuanceOfCommonStockForRepaymentOfSeniorDebtValue100.0

exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive, us-gaap:DebtInstrumentRedemptionPeriodTwo


Issuance
Period End2020-11-02
Value138
Percentage of IssuanceOfCommonStockForRepaymentOfSeniorDebtValue0.0

exr:IssuanceOfCommonStockForRepaymentOfSeniorDebtValue us-gaap:DebtInstrumentRedemptionPeriod

us-gaap:DebtInstrumentRedemptionPeriodOne


Issuance
Period End2020-10-01
Value13
Percentage of IssuanceOfCommonStockForRepaymentOfSeniorDebtValue100.0

us-gaap:DebtInstrumentRedemptionPeriodTwo


Issuance
Period End2020-11-02
Value138
Percentage of IssuanceOfCommonStockForRepaymentOfSeniorDebtValue0.0

exr:IssuanceOfCommonStockForRepaymentOfSeniorDebtValue us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:SubsequentEvent


Issuance
Period End2020-10-01
Value13
Percentage of IssuanceOfCommonStockForRepaymentOfSeniorDebtValue100.0

us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:SubsequentEvent


Issuance
Period End2020-11-02
Value138
Percentage of IssuanceOfCommonStockForRepaymentOfSeniorDebtValue0.0

exr:MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther

exr:MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.1938.8236.8695.9735.2074.8724.8844.824.7334.2274.3985.5464.0683.7849.143.9173.6623.5014.0714.9943.5623.6350.3963.372.611.9681.6541.9881.5311.3772.7211.0740.890.7891.0291.1420.6780.6550.5290.4930.3560.3070.3340.2910.2380.132
Percentage of MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership

exr:NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value8.833110.06.1716.1886.16.015.4295.647.3365.2714.941-45.5365.163-4.965-4.04917-7.776-5.398-5.474-1.728-5.151-4.276-3.635-3.875-3.315-3.128
Percentage of NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:NoncashInterestIncome

exr:NoncashInterestIncome


Noncash
Period End2021-06-302021-03-31
Value8.7798.533
Percentage of NoncashInterestIncome100.0100.0

exr:NoncashInvestmentInJointVenture

exr:NoncashInvestmentInJointVenture


Noncash
Period End2021-06-302021-03-31
Value0.033
Percentage of NoncashInvestmentInJointVenture0.0100.0

exr:NoncashOrPartNoncashAcquisitionFinanceLeaseLiability

exr:NoncashOrPartNoncashAcquisitionFinanceLeaseLiability


Noncash
Period End2020-12-312020-09-30
Value2713
Percentage of NoncashOrPartNoncashAcquisitionFinanceLeaseLiability100.0100.0

exr:NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired

exr:NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired


Noncash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value44-41.491-27.658-13.8330.00.0-228.035168.424223747423770535313425328307244269350.0165.157120194132.251111470.0520.3771280.03.864.8190.0
Percentage of NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0

exr:NoncontrollingInterestDecreaseFromRedemptionsOfOperatingPartnershipUnits

exr:NoncontrollingInterestDecreaseFromRedemptionsOfOperatingPartnershipUnits


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-1.6274.0050.00.03.6750.333.7991.125
Percentage of NoncontrollingInterestDecreaseFromRedemptionsOfOperatingPartnershipUnits100.0100.00.00.0100.0100.0100.0100.0

exr:NoncontrollingInterestInPreferredOperatingPartnershipUnitsConversionRatio us-gaap:PreferredUnitsByName

exr:NoncontrollingInterestInPreferredOperatingPartnershipUnitsConversionRatio

exr:SeriesCUnits


Noncontrolling
Period End2020-12-31
Value0
Percentage of NoncontrollingInterestInPreferredOperatingPartnershipUnitsConversionRatio0.0

exr:NoncontrollingInterestIncreaseFromRepaymentOfReceivable

exr:NoncontrollingInterestIncreaseFromRepaymentOfReceivable


Noncontrolling
Period End2021-06-30
Value411000.0
Percentage of NoncontrollingInterestIncreaseFromRepaymentOfReceivable100.0

exr:NoncontrollingInterestIncreaseFromRepaymentOfReceivable us-gaap:StatementEquityComponents

exr:CommonOperatingPartnership


Noncontrolling
Period End2021-06-30
Value411000.0
Percentage of NoncontrollingInterestIncreaseFromRepaymentOfReceivable100.0

exr:NoncontrollingInterestOtherDecrease

exr:NoncontrollingInterestOtherDecrease


Noncontrolling
Period End2021-03-31
Value50000.0
Percentage of NoncontrollingInterestOtherDecrease100.0

exr:NoncontrollingInterestOtherDecrease us-gaap:StatementEquityComponents

exr:NonControllingInterestOther


Noncontrolling
Period End2021-03-31
Value50000.0
Percentage of NoncontrollingInterestOtherDecrease100.0

exr:NoncontrollingInterestOtherDecreaseIncrease

exr:NoncontrollingInterestOtherDecreaseIncrease


Noncontrolling
Period End2021-06-302021-03-312020-06-30
Value-150000.050000.0-68000.0
Percentage of NoncontrollingInterestOtherDecreaseIncrease100.0100.0100.0

exr:NoncontrollingInterestOtherDecreaseIncrease us-gaap:StatementEquityComponents

exr:NonControllingInterestOther


Noncontrolling
Period End2021-06-302021-03-312020-06-30
Value-150000.050000.0-68000.0
Percentage of NoncontrollingInterestOtherDecreaseIncrease100.0100.0100.0

exr:NoncontrollingInterestRepaymentOfReceivableForPreferredOperatingUnitsPledgedAsCollateralOnLoan

exr:NoncontrollingInterestRepaymentOfReceivableForPreferredOperatingUnitsPledgedAsCollateralOnLoan


Noncontrolling
Period End2020-09-302019-09-302018-12-312018-09-302018-06-302018-03-31
Value8.2261.2110.00.00.00.495
Percentage of NoncontrollingInterestRepaymentOfReceivableForPreferredOperatingUnitsPledgedAsCollateralOnLoan100.0100.00.00.00.0100.0

exr:NoncontrollingInterestRepaymentOfReceivableForPreferredOperatingUnitsPledgedAsCollateralOnLoan us-gaap:StatementEquityComponents

exr:CommonOperatingPartnership


Noncontrolling
Period End2020-09-302019-09-30
Value8.2261.211
Percentage of NoncontrollingInterestRepaymentOfReceivableForPreferredOperatingUnitsPledgedAsCollateralOnLoan100.0100.0

exr:PaymentsForInvestmentInUnconsolidatedRealEstateEntities us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

exr:PaymentsForInvestmentInUnconsolidatedRealEstateEntities

exr:SmartStopSelfStorageREITIncSeriesAConvertiblePreferredStock


Payments
Period End2020-10-312019-10-31
Value50150
Percentage of PaymentsForInvestmentInUnconsolidatedRealEstateEntities100.0100.0

exr:PaymentsToAcquireAssetsGross

exr:PaymentsToAcquireAssetsGross


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value148147860.01951168.424202747114870502291625
Percentage of PaymentsToAcquireAssetsGross100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:ProceedsFromCollectionOfNotesReceivableForStock

exr:ProceedsFromCollectionOfNotesReceivableForStock


Proceeds
Period End2020-09-30
Value8226000.0
Percentage of ProceedsFromCollectionOfNotesReceivableForStock100.0

exr:RealEstateAdditionsPortionNotYetPaid

exr:RealEstateAdditionsPortionNotYetPaid


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-707000.01723000.0-20000.0-236000.0-48000.0960000.0911000.0-76000.0588000.0780000.0503000.0-909000.0658000.0526000.0-1365000.0-1706000.01783000.04797000.0-342000.01272000.07567000.002332000.00
Percentage of RealEstateAdditionsPortionNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0

exr:RealEstateAssetsTransferredForInvestmentInJointVenture

exr:RealEstateAssetsTransferredForInvestmentInJointVenture


Real
Period End2021-06-302021-03-31
Value0.033
Percentage of RealEstateAssetsTransferredForInvestmentInJointVenture0.0100.0

exr:RealEstatePropertyAcquisitionIncreaseAssetsAcquiredAndLiabilitiesAssumedNet

exr:RealEstatePropertyAcquisitionIncreaseAssetsAcquiredAndLiabilitiesAssumedNet


Real
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-2944000.0-176000.0-902000.00-45000.0-220000.04000.00-913000.016000.0-2705000.0-283000.0127000.0-1099000.0-47000.067000.0-15000.0-4997000.065000.0-1615000.0-381000.0
Percentage of RealEstatePropertyAcquisitionIncreaseAssetsAcquiredAndLiabilitiesAssumedNet100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:RealEstatePropertyAssetAcquisitionConsiderationTransferred

exr:RealEstatePropertyAssetAcquisitionConsiderationTransferred


Real
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1511751010.01951168.424223747423770535313425
Percentage of RealEstatePropertyAssetAcquisitionConsiderationTransferred100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital

exr:RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital


Redemption
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.7240.00.02.3940.333.7991.1254.8233.310.3820.5720.3830.00.00.00.00.0-0.2620.010.8170.012-28.2560.012
Percentage of RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0

exr:RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital

exr:RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital


Redemption
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-1.6274.0050.00.03.6750.333.7991.125
Percentage of RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital100.0100.00.00.0100.0100.0100.0100.0

exr:ReturnOfInvestmentRealEstateVentures

exr:ReturnOfInvestmentRealEstateVentures


Return
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302012-12-312011-12-312010-12-31
Value0.365310.00.3710.00.03.9820.01.1660.020.0470.00.00.00.5814.962101.00.318450.0610.5730.01.37
Percentage of ReturnOfInvestmentRealEstateVentures100.0100.00.0100.00.00.0100.00.0100.0100.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

exr:TenantReinsuranceExpense

exr:TenantReinsuranceExpense


Tenant
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
Value6.7357.1615.7697.1896.8586.6787.7837.6446.9826.9676.9097.725.4715.6075.1776.2723.8043.923.214.0933.9414.3113.2143.6083.2832.9282.2942.932.6362.5672.0372.8732.2021.913.2181.3791.4241.8481.551.5961.3821.6152.0891.7361.4571.223
Percentage of TenantReinsuranceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts


Adjustments
Period End2021-06-30
Value211000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-30
Value211000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts100.0

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDebtDiscountPremium


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value01233000.01233000.01209000.01209000.01186000.01185000.01162000.01162000.01140000.01176000.01209000.01276000.01268000.01290000.01269000.01264000.01243000.01240000.01233000.01112000.0805000.0696000.0697000.0679000.0679000.0663000.0662000.0457000.0834000.0113000.0000444000.0453000.0440000.0440000.0428000.0428000.0416000.0416000.0404000.0
Percentage of AmortizationOfDebtDiscountPremium0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetAcquisitionConsiderationTransferred

us-gaap:AssetAcquisitionConsiderationTransferred


Asset
Period End2021-06-302021-03-312020-06-302020-03-31
Value1931510.019
Percentage of AssetAcquisitionConsiderationTransferred100.0100.00.0100.0

us-gaap:AssetAcquisitionConsiderationTransferredOtherAssets

us-gaap:AssetAcquisitionConsiderationTransferredOtherAssets


Asset
Period End2021-06-302021-03-312020-06-302020-03-31
Value-381000.0-2944000.00-45000.0
Percentage of AssetAcquisitionConsiderationTransferredOtherAssets100.0100.00.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-707000.01723000.0-20000.0-236000.0-48000.0960000.02512000.0-76000.0588000.0780000.0
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeaseObligationsIncurred

us-gaap:CapitalLeaseObligationsIncurred


Capital
Period End2021-03-312020-12-31
Value4127
Percentage of CapitalLeaseObligationsIncurred100.0100.0

us-gaap:ConversionOfStockAmountConverted1

us-gaap:ConversionOfStockAmountConverted1


Conversion
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302010-06-30
Value2.7240.00.02.3940.33-3.313.310.3820.5720.00.00.00.0-0.2620.010.8170.012-28.2560.0120.00.0
Percentage of ConversionOfStockAmountConverted1100.00.00.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:DirectPremiumsEarned

us-gaap:DirectPremiumsEarned


Direct
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
Value42393839353333333129293028272525242222222120191817161515141312121210
Percentage of DirectPremiumsEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1331321161161171161151091091081089898989898989897737372685454545446464444272720201913131312
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1331321161161171161151091091081089898989898989897737372685454545446464444272720201913131312
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal


Equity
Period End2021-06-30
Value525000.0
Percentage of EquityMethodInvestmentRealizedGainLossOnDisposal100.0

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

exr:WICNNJVLLCAndGFNJVLLC


Equity
Period End2021-06-30
Value5739000.0
Percentage of EquityMethodInvestmentRealizedGainLossOnDisposal1093.1

us-gaap:ExtinguishmentOfDebtAmount us-gaap:DebtInstrumentRedemptionPeriod

us-gaap:ExtinguishmentOfDebtAmount

us-gaap:DebtInstrumentRedemptionPeriodTwo


Extinguishment
Period End2020-11-02
Value503
Percentage of ExtinguishmentOfDebtAmount100.0

us-gaap:FinancingReceivableSignificantPurchases us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:FinancingReceivableSignificantPurchases

us-gaap:NotesReceivable


Financing
Period End2020-07-31
Value103
Percentage of FinancingReceivableSignificantPurchases100.0

us-gaap:FinancingReceivableSignificantSales us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:FinancingReceivableSignificantSales

us-gaap:BridgeLoan


Financing
Period End2021-06-302021-03-31
Value6.04881
Percentage of FinancingReceivableSignificantSales100.0100.0

us-gaap:FinancingReceivableSignificantSales us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:SubsequentEventType

us-gaap:BridgeLoan, us-gaap:SubsequentEvent


Financing
Period End2021-02-26
Value76
Percentage of FinancingReceivableSignificantSales0.0

us-gaap:GainLossOnDispositionOfAssets1 us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, exr:FloridaStores


Gain
Period End2020-12-18
Value19
Percentage of GainLossOnDispositionOfAssets1100.0

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate


Gains
Period End2021-03-012019-09-302018-09-302014-06-302013-12-312013-09-302013-06-30
Value640.030-7.7850.160.00.8
Percentage of GainsLossesOnSalesOfInvestmentRealEstate100.00.0100.0100.0100.00.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.3226.9565.6055.0445.0432.8192.7043.1212.633.8043.6223.4293.5973.9243.993.8383.5793.0823.6253.3582.833.2973.4033.0012.652.7412.7772.6042.4192.7113.4052.9142.6233.0112.8542.6982.2961.2271.8732.3761.8111.9571.7361.5591.501
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1163000.0-1863000.0-1796000.0-843000.0-1715000.0-2539000.0-1606000.0-1418000.0-1602000.0-1732000.0-1632000.0-1620000.0-2114000.0-1501000.0-1069000.0-1133000.0-1242000.0-1123000.0-463000.0-1135000.0-938000.0-998000.0-511000.0-561000.0-858000.0-2601000.0-521000.0-562000.0-2403000.0-1024000.0-1300000.0-1614000.0-770000.0-1154000.0-939000.0-1456000.0403000.0-589000.0-2343000.0504000.0-3856000.0-1313000.0-1892000.0-1735000.0-1744000.0-1351000.0
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value21-2.691-23.80621163.727-13.7887.678156.418-24.94119-2.54610-16.942411-30.069-0.863115.24-5.642-10.6746.925-2.1756.032-8.0077.98912-7.7152.353111.547-6.8642.692.4867.294-5.254.1567.179-1.6210.123-1.2353.252-1.7050.512
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-8.2562.7371.6977.79212-2.491.32913-2.1950.3051.0257.908-8.0060.737-0.80430-10.73-4.336-13.07814-4.095.276-18.85170.3242.6371.9653.306-2.325-1.448-10.0283.251-0.897-1.051-3.88-3.7051.818-2.979-6.4253.852-1.85-3.11-1.8382.097-5.4085.473
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2.508-0.6647.389-11.404211.691-6.7035.8331.012-2.4751.7877.702-1.386.275-5.2589.568-3.582-6.359-2.9656.615-2.457-0.985132.1251.172-5.0876.856-2.6433.301-0.874-8.332-0.7153.505-0.3163.728-2.4983.775-3.0030.351-0.4920.497-1.474-3.2373.325-0.929-0.898
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities us-gaap:DebtInstrument

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities

exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive


Incremental
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value761980.0121280.0764700.0-281560.01274700.0757810.0226530.0000000
Percentage of IncrementalCommonSharesAttributableToConversionOfDebtSecurities100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0

us-gaap:IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends

us-gaap:IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends


Incremental
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value214910.00211600.0209960.0218690.00
Percentage of IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends100.00.0100.0100.0100.00.0

us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:InterestExpenseDebtExcludingAmortization


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.4924.4924.4924.4924.4924.4924.4924.4924.4924.4924.5614.5614.7844.7854.8674.8674.8674.8674.8674.8824.9991.9721.4841.484
Percentage of InterestExpenseDebtExcludingAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
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
Value12128.7043.1451.6691.6741.5622.7991.7181.3881.2951.3711.1881.4381.0040.8690.8261.1021.4511.3581.6251.7141.8210.3560.4280.8560.440.1860.7120.2690.230.2020.1330.1840.6320.4610.4480.2750.4710.1850.1890.1820.1840.1780.2110.325
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseIncome

us-gaap:LeaseIncome


Lease
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
Value321303301290279286288290279271266266258247
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:MinorityInterestDecreaseFromRedemptions


Minority
Period End2020-09-302020-06-302020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1.00.00.00.00.00.02.5580.00.00.7561.754
Percentage of MinorityInterestDecreaseFromRedemptions100.00.00.00.00.00.0100.00.00.0100.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents

exr:CommonOperatingPartnership


Minority
Period End2021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-12-312015-09-30
Value0.1933.6750.331.1254.8233.310.00.01.1260.00.00.3660.8720.012-28.2560.012
Percentage of MinorityInterestDecreaseFromRedemptions0.00.00.00.00.00.00.00.044.00.00.048.449.70.00.00.0

exr:PreferredOperatingPartnership


Minority
Period End2020-09-30
Value-1.0
Percentage of MinorityInterestDecreaseFromRedemptions100.0

us-gaap:AdditionalPaidInCapital


Minority
Period End2021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-12-312015-09-302011-12-312011-09-302011-06-302011-03-31
Value-0.193-3.674-0.33-1.125-4.823-3.310.00.01.4320.00.00.390.882-0.01228-0.0120.00.0-1.144-1.197
Percentage of MinorityInterestDecreaseFromRedemptions0.00.00.00.00.00.00.00.056.00.00.051.650.30.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock

exr:CommonOperatingPartnership, exr:RedemptionOfUnitsForCash


Minority
Period End2021-06-302018-03-31
Value0.1131.126
Percentage of MinorityInterestDecreaseFromRedemptions0.044.0

exr:CommonOperatingPartnership, exr:RedemptionOfUnitsForCommonStock


Minority
Period End2021-06-302019-09-302019-06-302019-03-312018-09-302018-06-30
Value2.1851.1254.8233.310.5720.383
Percentage of MinorityInterestDecreaseFromRedemptions0.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital, exr:RedemptionOfUnitsForCash


Minority
Period End2021-06-302018-03-31
Value0.3591.432
Percentage of MinorityInterestDecreaseFromRedemptions0.056.0

us-gaap:AdditionalPaidInCapital, exr:RedemptionOfUnitsForCommonStock


Minority
Period End2021-06-302019-09-302019-06-302019-03-312018-09-302018-06-30
Value-2.184-1.125-4.823-3.31-0.572-0.383
Percentage of MinorityInterestDecreaseFromRedemptions0.00.00.00.00.00.0

us-gaap:CommonStock, exr:RedemptionOfUnitsForCommonStock


Minority
Period End2021-06-30
Value-0.001
Percentage of MinorityInterestDecreaseFromRedemptions0.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:SubsidiarySaleOfStock

exr:RedemptionOfUnitsForCash


Minority
Period End2021-06-302018-03-31
Value0.4722.558
Percentage of MinorityInterestDecreaseFromRedemptions0.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable


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
Value3.4383.683.3843.2483.1393.1113.1133.0883.1283.1633.393.7233.4923.394.2143.3943.433.9513.9424.1443.4343.182.6733.1123.0072.9262.712.9772.8122.4922.5112.0331.7451.717
Percentage of NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value458000.0487000.0374000.0369000.077000.0353000.0
Percentage of OperatingLeaseRightOfUseAssetAmortizationExpense100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:InterestRateSwap


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-3.124141.1831.525-13.35-89.7115-14.517-36.294-19.576-31.7218.3259.96723
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:InterestRateSwap


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-8.747-8.845-8.926-9.666-7.639-0.5630.532.9924.3384.4623.5742.5611.8830.24
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherDepreciationAndAmortization

us-gaap:OtherDepreciationAndAmortization


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value5958565656555456
Percentage of OtherDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountDistributions

us-gaap:PartnersCapitalAccountDistributions


Partners
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8.378.3868.5058.6188.7058.4128.4138.468.4687.909
Percentage of PartnersCapitalAccountDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountDistributions us-gaap:StatementEquityComponents

exr:CommonOperatingPartnership


Partners
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.2355.2355.3275.445.4735.1164.9414.8444.8534.421
Percentage of PartnersCapitalAccountDistributions62.562.462.663.162.960.858.757.357.355.9

exr:PreferredOperatingPartnership


Partners
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3.1353.1513.1783.1783.2323.2963.6163.6153.488
Percentage of PartnersCapitalAccountDistributions37.537.637.436.937.139.242.742.744.1

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.9749.0258.3548.3718.3858.5058.5088.6188.7058.4128.4138.468.4687.9097.8317.8167.8828.4438.3448.3537.8546.4466.4296.5016.5774.9964.8785.0274.9644.2654.153.7193.0032.392.4562.2612.2482.252.0062.0162.082.0251.8081.8731.8981.9
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.7141.6890.8913.149-0.0040.0160.9781.4210.4870.15.247-51.4140.00558142.2472.6720.253100.9984.4161.2864.6411.6872.0321.4191.4540.6341.8251.3921.840.4774.3181.343.183.6361.3733.4182.0480.9491.6451.5551.4860.791.7350.149
Percentage of PaymentsOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:PaymentsToAcquireEquityMethodInvestments


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.9240.254.3963.16.4412.31713171218340.438140.3511.1511.5192.5516.381144.7942.8850.5490.390.1710.3660.5890.370.3510.3460.3560.3510.3320.3283.0770.3280.3128.0021.057
Percentage of PaymentsToAcquireEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireFurnitureAndFixtures

us-gaap:PaymentsToAcquireFurnitureAndFixtures


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1380000.0697000.03686000.0642000.01670000.01095000.02805000.02936000.0841000.01182000.01271000.0806000.01089000.01131000.02184000.01525000.02818000.01292000.02150000.0690000.01220000.0908000.02559000.02229000.01408000.01184000.01194000.01300000.01062000.01274000.04175000.0871000.0657000.0821000.01747000.0397000.0692000.0531000.0523000.01030000.03154000.0309000.0495000.0335000.0978000.0137000.0
Percentage of PaymentsToAcquireFurnitureAndFixtures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireHeldToMaturitySecurities


Payments
Period End2020-11-30
Value300
Percentage of PaymentsToAcquireHeldToMaturitySecurities100.0

us-gaap:PaymentsToAcquireHeldToMaturitySecurities us-gaap:FinancialInstrument

exr:JCAPSeriesAPreferredStock


Payments
Period End2020-11-30
Value200
Percentage of PaymentsToAcquireHeldToMaturitySecurities66.7

exr:JCAPSeriesBPreferredStock


Payments
Period End2020-11-30
Value100
Percentage of PaymentsToAcquireHeldToMaturitySecurities33.3

us-gaap:PaymentsToAcquireNotesReceivable

us-gaap:PaymentsToAcquireNotesReceivable


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312013-12-312012-12-312012-09-302012-05-312011-12-31
Value4225163125167.523101520.0-0.039130.00.00.00.07.875-0.86
Percentage of PaymentsToAcquireNotesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.00.0100.0100.0

us-gaap:PaymentsToAcquireNotesReceivable us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:NotesReceivable


Payments
Period End2020-07-31
Value101
Percentage of PaymentsToAcquireNotesReceivable0.0

us-gaap:PaymentsToAcquireNotesReceivable us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Payments
Period End2020-07-31
Value101
Percentage of PaymentsToAcquireNotesReceivable0.0

us-gaap:PaymentsToAcquireRealEstateAndRealEstateJointVentures us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireRealEstateAndRealEstateJointVentures

exr:RealEstateSubjectToLease, us-gaap:SubsequentEvent


Payments
Period End2020-11-06
Value6.4
Percentage of PaymentsToAcquireRealEstateAndRealEstateJointVentures100.0

us-gaap:PaymentsToAcquireRealEstateAndRealEstateJointVentures us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Payments
Period End2020-11-06
Value44
Percentage of PaymentsToAcquireRealEstateAndRealEstateJointVentures689.8

us-gaap:PaymentsToDevelopRealEstateAssets

us-gaap:PaymentsToDevelopRealEstateAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value11142116141519135.0451515171611118.3967.0285.2464.7874.0927.8576.543115.2116.7863.14125.333.1382.822.5251.609
Percentage of PaymentsToDevelopRealEstateAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-222013-11-082012-11-092012-11-302012-12-312012-09-302012-04-162012-04-302011-12-312011-09-302011-05-31
Value-0.211273-0.02510056330.00.00.00.00.00150-0.20573-0.03230416205202202202-0.006226226-0.003-0.18112
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSecuredDebt

us-gaap:ProceedsFromIssuanceOfSecuredDebt


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6251747825326268706751333424439328483162302370483169
Percentage of ProceedsFromIssuanceOfSecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromMinorityShareholders


Proceeds
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-2000.0027000.096000.050000.0002000.00120000.0201000.0000
Percentage of ProceedsFromMinorityShareholders100.00.0100.0100.0100.00.00.0100.00.0100.0100.00.00.00.0

us-gaap:ProceedsFromSaleOfEquityMethodInvestments

us-gaap:ProceedsFromSaleOfEquityMethodInvestments


Proceeds
Period End2021-06-30
Value1888000.0
Percentage of ProceedsFromSaleOfEquityMethodInvestments100.0

us-gaap:ProceedsFromSaleOfNotesReceivable

us-gaap:ProceedsFromSaleOfNotesReceivable


Proceeds
Period End2021-06-302021-03-31
Value6.04881
Percentage of ProceedsFromSaleOfNotesReceivable100.0100.0

us-gaap:ProceedsFromSaleOfNotesReceivable us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:BridgeLoan


Proceeds
Period End2021-06-302021-03-31
Value6.04881
Percentage of ProceedsFromSaleOfNotesReceivable100.0100.0

us-gaap:ProceedsFromSaleOfNotesReceivable us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:SubsequentEventType

us-gaap:BridgeLoan, us-gaap:SubsequentEvent


Proceeds
Period End2021-02-26
Value75
Percentage of ProceedsFromSaleOfNotesReceivable0.0

us-gaap:ProceedsFromSaleOfOtherRealEstate us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:ProceedsFromSaleOfOtherRealEstate

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, exr:FloridaStores


Proceeds
Period End2020-12-18
Value46
Percentage of ProceedsFromSaleOfOtherRealEstate100.0

us-gaap:ProceedsFromSaleOfRealEstate

us-gaap:ProceedsFromSaleOfRealEstate


Proceeds
Period End2021-03-01
Value132
Percentage of ProceedsFromSaleOfRealEstate100.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302013-12-112013-12-072013-12-062013-09-302013-05-162009-04-30
Value61132430.2340.00.02.0253.253.25-0.040.954.652
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.04.2541.8891.20.7260.9440.2330.6030.471.757-0.0010.00.3710.7990.01.2660.00.01.132-0.0010.30.0130.1180.3220.1320.970.3780.1661.4951.0560.020.3243.9171.6351.3362.7933.6942.4446.5081.6091.9478.5580.561.3963.2180.487
Percentage of ProceedsFromStockOptionsExercised0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfOtherDebt

us-gaap:RepaymentsOfOtherDebt


Repayments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value9992193626374192
Percentage of RepaymentsOfOtherDebt100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfSeniorDebt us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod

us-gaap:RepaymentsOfSeniorDebt

exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive, us-gaap:DebtInstrumentRedemptionPeriodOne


Repayments
Period End2020-10-01
Value71
Percentage of RepaymentsOfSeniorDebt100.0

exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive, us-gaap:DebtInstrumentRedemptionPeriodThree


Repayments
Period End2020-11-02
Value0.055
Percentage of RepaymentsOfSeniorDebt0.0

exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive, us-gaap:DebtInstrumentRedemptionPeriodTwo


Repayments
Period End2020-11-02
Value503
Percentage of RepaymentsOfSeniorDebt0.0

us-gaap:RepaymentsOfSeniorDebt us-gaap:DebtInstrumentRedemptionPeriod

us-gaap:DebtInstrumentRedemptionPeriodOne


Repayments
Period End2020-10-01
Value71
Percentage of RepaymentsOfSeniorDebt100.0

us-gaap:DebtInstrumentRedemptionPeriodThree


Repayments
Period End2020-11-02
Value0.055
Percentage of RepaymentsOfSeniorDebt0.0

us-gaap:DebtInstrumentRedemptionPeriodTwo


Repayments
Period End2020-11-02
Value503
Percentage of RepaymentsOfSeniorDebt0.0

us-gaap:RepaymentsOfSeniorDebt us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:SubsequentEvent


Repayments
Period End2020-10-01
Value71
Percentage of RepaymentsOfSeniorDebt100.0

us-gaap:DebtInstrumentRedemptionPeriodThree, us-gaap:SubsequentEvent


Repayments
Period End2020-11-02
Value0.055
Percentage of RepaymentsOfSeniorDebt0.0

us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:SubsequentEvent


Repayments
Period End2020-11-02
Value503
Percentage of RepaymentsOfSeniorDebt0.0

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-30
Value0.040410.0910.00.00.0
Percentage of RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability0.0100.0100.0100.00.00.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value0.1242.3691.2150.026.7790.00.12752129950.00.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.0

us-gaap:SaleOfStockConsiderationReceivedOnTransaction

us-gaap:SaleOfStockConsiderationReceivedOnTransaction


Sale
Period End2021-03-23
Value206
Percentage of SaleOfStockConsiderationReceivedOnTransaction100.0

us-gaap:SaleOfStockConsiderationReceivedOnTransaction us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock

us-gaap:SubsequentEvent, exr:AtTheMarketEquityDistributionAgreement


Sale
Period End2021-02-26
Value67
Percentage of SaleOfStockConsiderationReceivedOnTransaction0.0

us-gaap:SaleOfStockConsiderationReceivedOnTransaction us-gaap:SubsidiarySaleOfStock

exr:AtTheMarketEquityDistributionAgreement


Sale
Period End2021-06-302021-03-31
Value-0.2167
Percentage of SaleOfStockConsiderationReceivedOnTransaction0.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4983000.03652000.04884000.02980000.002000.0001000.000000001000.001000.0000001000.0002000.00001000.01000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross100.0100.0100.0100.00.0100.00.00.0100.00.00.00.00.00.00.00.0100.00.0100.00.00.00.00.00.0100.00.00.0100.00.00.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-06-302020-03-312018-06-302018-03-312017-12-312017-09-30
Value4983000.03652000.04883000.02979000.00000
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross100.0100.0100.0100.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross


Stock
Period End2020-09-302020-06-302020-03-31
Value3.4524.8842.98
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationGross100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-302020-06-302020-03-31
Value3.4524.8832.979
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationGross100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4.2541.20.7260.9440.6050.4681.7570.0-0.0010.3710.7990.01.1031.132-0.0010.30.0130.1180.3220.1320.970.3780.1661.4951.0560.020.3243.9171.6351.3362.7933.6942.4446.5081.6091.9478.558
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4.2541.20.7260.9430.6050.4681.7540.00.00.370.7990.01.1031.132-0.0010.30.0130.1180.3220.1310.970.3780.1661.4941.0550.020.3243.9141.6341.3352.7913.6922.4426.5031.6081.9468.551
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.099.9100.0100.099.80.0-0.099.7100.00.0100.0100.0100.0100.0100.0100.0100.099.2100.0100.0100.099.999.9100.0100.099.999.999.999.999.999.999.999.999.999.9

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-31
Value0.05415520.0100.021
Percentage of StockRepurchasedDuringPeriodValue100.0100.0100.00.0100.00.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Stock
Period End2020-09-302020-06-302020-03-31
Value0.0541552
Percentage of StockRepurchasedDuringPeriodValue100.0100.0100.0

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic


Undistributed
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
Value232000.0312000.0193000.0177000.0173000.0163000.0172000.0165000.0176000.0167000.0173000.0219000.0193000.0178000.0380000.0191000.0
Percentage of UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted


Undistributed
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-177000.00-163000.0-680000.0-165000.0-176000.00-173000.000-178000.0595000.0-191000.0
Percentage of UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted100.00.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0

exr:CashDistributionsInUnconsolidatedRealEstateVentures

exr:CashDistributionsInUnconsolidatedRealEstateVentures


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value62624746464545454544454443435.816
Percentage of CashDistributionsInUnconsolidatedRealEstateVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:CommonStockAverageClosingMarketPrice

exr:CommonStockAverageClosingMarketPrice


Common
Period End2021-06-302021-03-312020-12-312020-09-30
Value163.63131.03114.15107.2
Percentage of CommonStockAverageClosingMarketPrice100.0100.0100.0100.0

exr:DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable

exr:DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable


Debt
Period End2021-06-302021-03-312020-12-312019-12-31
Value56854359343
Percentage of DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable100.0100.0100.0100.0

exr:DeferredTaxAssetsOperatingLeaseLiability

exr:DeferredTaxAssetsOperatingLeaseLiability


Deferred
Period End2020-12-312019-12-312018-12-31
Value2232000.02478000.00
Percentage of DeferredTaxAssetsOperatingLeaseLiability100.0100.00.0

exr:DeferredTaxAssetsTaxDeferredCaptiveInsuranceSubsidiary

exr:DeferredTaxAssetsTaxDeferredCaptiveInsuranceSubsidiary


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
Value378000.0312000.0324000.0252000.0413000.0429000.0447000.0400000.0385000.0232000.0236000.0
Percentage of DeferredTaxAssetsTaxDeferredCaptiveInsuranceSubsidiary100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:DeferredTaxLiabilitiesRightOfUseAsset

exr:DeferredTaxLiabilitiesRightOfUseAsset


Deferred
Period End2020-12-312019-12-312018-12-31
Value2223000.02475000.00
Percentage of DeferredTaxLiabilitiesRightOfUseAsset100.0100.00.0

exr:DeferredTaxLiabilitiesStateTaxes

exr:DeferredTaxLiabilitiesStateTaxes


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value3210000.03405000.03076000.02822000.01242000.01523000.01576000.0
Percentage of DeferredTaxLiabilitiesStateTaxes100.0100.0100.0100.0100.0100.0100.0

exr:DerivativeInstrumentsWithContingentFeaturesContingentCashSettlementValue

exr:DerivativeInstrumentsWithContingentFeaturesContingentCashSettlementValue


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value7178101113
Percentage of DerivativeInstrumentsWithContingentFeaturesContingentCashSettlementValue100.0100.0100.0100.0

exr:DerivativeWithContingentFeaturesFairValueOfAssetLiabilityNet

exr:DerivativeWithContingentFeaturesFairValueOfAssetLiabilityNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value-71694000.0-78042000.0-101660000.0-113320000.0
Percentage of DerivativeWithContingentFeaturesFairValueOfAssetLiabilityNet100.0100.0100.0100.0

exr:DueFromRelatedPartiesFairValueDisclosure us-gaap:FairValueByMeasurementBasis

exr:DueFromRelatedPartiesFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value101102102110118118118118119119119120120
Percentage of DueFromRelatedPartiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value100100102110119119116118118116115112111111113114114124125129131130128130126129126103
Percentage of DueFromRelatedPartiesFairValueDisclosure98.698.2100.0100.4101.2100.498.0100.299.497.796.40.00.00.094.60.00.00.0104.50.00.00.00.00.00.00.00.00.0

exr:EquityMethodInvestmentPreferredEquityInterest us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

exr:EquityMethodInvestmentPreferredEquityInterest

exr:GFNJVLLC


Equity
Period End2020-12-312019-12-31
Value1510
Percentage of EquityMethodInvestmentPreferredEquityInterest100.0100.0

exr:WICNNJVLLC


Equity
Period End2020-12-312019-12-312018-12-31
Value313122
Percentage of EquityMethodInvestmentPreferredEquityInterest203.9304.80.0

exr:InvestmentInUnconsolidatedRealEstateEntities

exr:InvestmentInUnconsolidatedRealEstateEntities


Investment
Period End2020-12-312019-12-312018-12-31
Value397338125
Percentage of InvestmentInUnconsolidatedRealEstateEntities100.0100.0100.0

exr:InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions

exr:InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value29835135030129829629280
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions100.0100.0100.0100.0100.0100.0100.0100.0

exr:InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

exr:AlanJathooJVLLC


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value7.6897.7527.787.8247.877.9287.9778.18
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions2.62.22.22.62.62.72.710.2

exr:BristolInvestmentsLLC


Investment
Period End2020-12-312019-12-312018-12-31
Value2.813.0462.331
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions0.81.02.9

exr:ESSBristolInvestmentsLLC


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.7432.772.812.8072.8552.9143.046
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions0.90.80.80.91.01.01.0

exr:ESSCATIVSJVLP


Investment
Period End2021-06-302021-03-31
Value3433
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions11.49.7

exr:ESSNYFLJVLP


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value121212121212130.0
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions4.03.53.54.14.24.34.50.0

exr:ExtraSpaceNorthernPropertiesSixLLC


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value-2.737-2.666-2.541-2.422-2.314-2.228-2.091-1.7
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions-0.9-0.8-0.7-0.8-0.8-0.8-0.7-2.1

exr:GFNJVLLC


Investment
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value18181818151210
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions5.25.36.16.25.24.213.2

exr:OtherMinorityOwnedProperties


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2327282725252825
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions7.98.08.19.28.58.69.832.4

exr:PREXRSelfStorageLLC


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value5960606058595919
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions20.117.117.220.019.819.920.324.8

exr:PRISASelfStorageLLC


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8.7178.7328.8158.9088.9259.0739.1339.334
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions2.92.52.53.03.03.13.111.6

exr:SmartStopSelfStorageREITIncSeriesAConvertiblePreferredStock


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2002002001501501501500.0
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions67.056.957.149.850.350.651.20.0

exr:StoragePortfolioIIIJVLLC


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.6495.6865.7265.7615.7995.8323.995
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions1.91.61.61.91.92.01.4

exr:StoragePortfolioIIJVLLC


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value-5.771-5.531-5.441-5.244-5.089-4.915-4.827-4.233
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions-1.9-1.6-1.6-1.7-1.7-1.7-1.6-5.3

exr:StoragePortfolioILLC


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value-39.697-39.53-39.144-38.86-38.698-38.57-38.345-38.129
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions-13.3-11.2-11.2-12.9-13.0-13.0-13.1-47.6

exr:StoragePortfolioIVJVLLC


Investment
Period End2021-06-30
Value6.909
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions2.3

exr:VRSSelfStorageLLC


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value-14.499-14.362171717171718
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions-4.9-4.14.95.75.75.86.022.8

exr:WICNNJVLLC


Investment
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value35363636363626
Percentage of InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions10.210.312.012.212.312.533.6

exr:LesseeOperatingAndFinanceLeaseLiability

exr:LesseeOperatingAndFinanceLeaseLiability


Lessee
Period End2020-12-31
Value318
Percentage of LesseeOperatingAndFinanceLeaseLiability100.0

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value578
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue100.0

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value421
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value32
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive100.0

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFour

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value31
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFour100.0

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearThree

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value31
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearThree100.0

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value31
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo100.0

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsYearOne

exr:LesseeOperatingAndFinanceLeaseLiabilityPaymentsYearOne


Lessee
Period End2020-12-31
Value30
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsYearOne100.0

exr:LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount

exr:LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value259
Percentage of LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount100.0

exr:NetOperatingRealEstateAssets

exr:NetOperatingRealEstateAssets


Net
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value782676557445709867485664411736292987225420512038195819352015
Percentage of NetOperatingRealEstateAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValue us-gaap:PreferredUnitsByName

exr:NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValue

exr:SeriesBUnits


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302014-06-30
Value40404040414141414141414141
Percentage of NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:SeriesDUnits


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value117117117117117120120120115115920.092063
Percentage of NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValue286.9286.9286.9286.9280.1286.6286.6286.6275.7275.7219.70.2

exr:NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid

exr:NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid


Noncontrolling
Period End2021-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value472000.000002558000.02558000.02558000.02558000.02510000.02510000.02510000.0506000.00
Percentage of NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0

exr:NoteReceivablePrincipalAmount us-gaap:SubsequentEventType

exr:NoteReceivablePrincipalAmount

us-gaap:SubsequentEvent


Note
Period End2020-10-26
Value50
Percentage of NoteReceivablePrincipalAmount100.0

exr:NoteReceivableReductionOfNoncontrollingInterests us-gaap:StatementEquityComponents

exr:NoteReceivableReductionOfNoncontrollingInterests

exr:CommonOperatingPartnership


Note
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value1.92.3112.31110181818181111
Percentage of NoteReceivableReductionOfNoncontrollingInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:OperatingPartnershipUnitsRedemptionAmount

exr:OperatingPartnershipUnitsRedemptionAmount


Operating
Period End2021-06-302021-03-312020-12-312020-09-302017-09-302017-06-302017-03-312016-12-31
Value9387596626232.510.7561.754419
Percentage of OperatingPartnershipUnitsRedemptionAmount100.0100.0100.0100.0100.0100.0100.0100.0

exr:RealEstateInvestmentPropertyIntangibleTenantRelationships

exr:RealEstateInvestmentPropertyIntangibleTenantRelationships


Real
Period End2020-12-312019-12-312018-12-31
Value124122119
Percentage of RealEstateInvestmentPropertyIntangibleTenantRelationships100.0100.0100.0

exr:RecourseDebtPrincipalAmount us-gaap:LongtermDebtType

exr:RecourseDebtPrincipalAmount

us-gaap:NotesPayableToBanks


Recourse
Period End2020-12-31
Value1969
Percentage of RecourseDebtPrincipalAmount100.0

exr:TenantReinsurancePolicyAverageAmountOfInsuranceCoverage

exr:TenantReinsurancePolicyAverageAmountOfInsuranceCoverage


Tenant
Period End2020-12-31
Value3100.0
Percentage of TenantReinsurancePolicyAverageAmountOfInsuranceCoverage100.0

exr:UnconsolidatedJointVenturesExcessProfitParticipationPercentage us-gaap:Range

exr:UnconsolidatedJointVenturesExcessProfitParticipationPercentage

srt:Maximum


Unconsolidated
Period End2021-06-302021-03-312020-09-302020-06-30
Value50.050.050.00.5
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage100.0100.0100.0100.0

srt:Minimum


Unconsolidated
Period End2021-06-302021-03-312020-09-302020-06-30
Value19.019.019.00.19
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage38.038.038.038.0

exr:UnconsolidatedJointVenturesExcessProfitParticipationPercentage us-gaap:Range, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

srt:Maximum, exr:OtherMinorityOwnedProperties


Unconsolidated
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value50.00.50.50.50.50.50.50.5
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage0.00.00.00.00.00.00.00.0

srt:Minimum, exr:OtherMinorityOwnedProperties


Unconsolidated
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value19.00.190.190.190.190.190.190.19
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage0.00.00.00.00.00.00.00.0

exr:UnconsolidatedJointVenturesExcessProfitParticipationPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

exr:AlanJathooJVLLC


Unconsolidated
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
Value10.010.010.010.00.10.10.10.10.10.10.10.1
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage20.020.00.020.020.00.00.00.00.00.00.00.0

exr:BristolInvestmentsLLC


Unconsolidated
Period End2020-12-312019-12-31
Value30.00.28
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage0.00.0

exr:ESSBristolInvestmentsLLC


Unconsolidated
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value30.030.030.00.280.280.280.280.280.280.280.28
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage60.060.060.056.00.00.00.00.00.00.00.0

exr:ESSNYFLJVLP


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value24.026.026.026.00.240.240.240.240.24
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage48.052.00.052.048.00.00.00.00.0

exr:ExtraSpaceNorthernPropertiesSixLLC


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value35.035.035.035.00.350.350.350.350.350.350.350.350.350.490.350.350.350.350.350.350.35
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage70.070.00.070.070.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:GFNJVLLC


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value30.030.030.030.00.30.30.30.250.250.25
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage60.060.00.060.060.00.00.00.00.00.0

exr:PREXRSelfStorageLLC


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312017-12-312016-12-31
Value40.040.040.040.00.40.40.40.540.4
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage80.080.00.080.080.00.00.00.00.0

exr:PRISASelfStorageLLC


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value4.04.04.04.00.040.040.040.040.040.040.040.040.040.40.30.040.170.170.170.170.17
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage8.08.00.08.08.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:StoragePortfolioIIIJVLLC


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value30.030.030.030.00.30.3
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage60.060.00.060.060.00.0

exr:StoragePortfolioIIJVLLC


Unconsolidated
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
Value30.030.030.030.00.30.30.30.30.30.30.30.30.30.4
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage60.060.00.060.060.00.00.00.00.00.00.00.00.00.0

exr:StoragePortfolioILLC


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value49.049.049.049.00.490.490.490.490.490.490.490.490.490.040.4
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage98.098.00.098.098.00.00.00.00.00.00.00.00.00.00.0

exr:StoragePortfolioIVJVLLC


Unconsolidated
Period End2021-06-30
Value30.0
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage60.0

exr:VRSSelfStorageLLC


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value54.054.054.054.00.540.540.540.540.540.540.540.540.540.540.540.540.540.540.540.54
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage108.0108.00.0108.0108.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:WICNNJVLLC


Unconsolidated
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
Value35.035.035.035.00.250.250.250.250.250.250.250.250.25
Percentage of UnconsolidatedJointVenturesExcessProfitParticipationPercentage70.070.00.070.050.00.00.00.00.00.00.00.00.0

exr:ValueOfStockAvailableForIssuanceUnderATM us-gaap:SubsidiarySaleOfStock

exr:ValueOfStockAvailableForIssuanceUnderATM

exr:AtTheMarketEquityDistributionAgreement


Value
Period End2020-12-312020-09-302018-06-302017-09-302017-06-30
Value193298349349349
Percentage of ValueOfStockAvailableForIssuanceUnderATM100.0100.0100.0100.0100.0

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances


Real
Period End2020-12-312019-12-31
Value22052249
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances100.0100.0

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:StatementGeographical

exr:SelfStorageFacility, stpr:AL


Real
Period End2020-12-312019-12-31
Value3029
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.41.3

exr:SelfStorageFacility, stpr:AZ


Real
Period End2020-12-312019-12-31
Value2121
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.01.0

exr:SelfStorageFacility, stpr:CA


Real
Period End2020-12-312019-12-31
Value514531
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances23.323.6

exr:SelfStorageFacility, stpr:CO


Real
Period End2020-12-312019-12-31
Value2930
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.31.4

exr:SelfStorageFacility, stpr:CT


Real
Period End2020-12-312019-12-31
Value2323
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.11.0

exr:SelfStorageFacility, stpr:DC


Real
Period End2020-12-312019-12-31
Value8.4758.762
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances0.40.4

exr:SelfStorageFacility, stpr:FL


Real
Period End2020-12-312019-12-31
Value270263
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances12.211.7

exr:SelfStorageFacility, stpr:GA


Real
Period End2020-12-312019-12-31
Value8685
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances3.93.8

exr:SelfStorageFacility, stpr:HI


Real
Period End2020-12-312019-12-31
Value3031
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.41.4

exr:SelfStorageFacility, stpr:IL


Real
Period End2020-12-312019-12-31
Value4450
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances2.02.3

exr:SelfStorageFacility, stpr:IN


Real
Period End2020-12-312019-12-31
Value1010
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances0.50.5

exr:SelfStorageFacility, stpr:KY


Real
Period End2020-12-312019-12-31
Value3434
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.61.5

exr:SelfStorageFacility, stpr:MA


Real
Period End2020-12-312019-12-31
Value103105
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances4.74.7

exr:SelfStorageFacility, stpr:MD


Real
Period End2020-12-312019-12-31
Value107118
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances4.95.2

exr:SelfStorageFacility, stpr:MI


Real
Period End2020-12-312019-12-31
Value5.695.792
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances0.30.3

exr:SelfStorageFacility, stpr:NC


Real
Period End2020-12-312019-12-31
Value2728
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.31.3

exr:SelfStorageFacility, stpr:NH


Real
Period End2020-12-312019-12-31
Value5.8535.938
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances0.30.3

exr:SelfStorageFacility, stpr:NJ


Real
Period End2020-12-312019-12-31
Value159155
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances7.26.9

exr:SelfStorageFacility, stpr:NM


Real
Period End2020-12-312019-12-31
Value1717
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances0.80.8

exr:SelfStorageFacility, stpr:NV


Real
Period End2020-12-312019-12-31
Value3737
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.71.7

exr:SelfStorageFacility, stpr:NY


Real
Period End2020-12-312019-12-31
Value4343
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances2.01.9

exr:SelfStorageFacility, stpr:OH


Real
Period End2020-12-312019-12-31
Value3334
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.51.5

exr:SelfStorageFacility, stpr:OR


Real
Period End2020-12-312019-12-31
Value2930
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.31.3

exr:SelfStorageFacility, stpr:PA


Real
Period End2020-12-312019-12-31
Value3434
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.51.5

exr:SelfStorageFacility, stpr:RI


Real
Period End2020-12-312019-12-31
Value1111
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances0.50.5

exr:SelfStorageFacility, stpr:SC


Real
Period End2020-12-312019-12-31
Value3443
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.51.9

exr:SelfStorageFacility, stpr:TN


Real
Period End2020-12-312019-12-31
Value4645
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances2.12.0

exr:SelfStorageFacility, stpr:TX


Real
Period End2020-12-312019-12-31
Value195213
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances8.99.5

exr:SelfStorageFacility, stpr:UT


Real
Period End2020-12-312019-12-31
Value2313
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.10.6

exr:SelfStorageFacility, stpr:VA


Real
Period End2020-12-312019-12-31
Value162163
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances7.47.3

exr:SelfStorageFacility, stpr:WA


Real
Period End2020-12-312019-12-31
Value1920
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances0.90.9

srt:RealEstateFederalIncomeTaxBasis

srt:RealEstateFederalIncomeTaxBasis


Real
Period End2020-12-31
Value7817
Percentage of RealEstateFederalIncomeTaxBasis100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value15012913015313211611112211599101126107108961149277101102917782766971657365526058464552494738453932343433
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConvertibleDebt

us-gaap:ConvertibleDebt


Convertible
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value575573571569567565564562560570568604602614612610608606606623660250250250250250250250250250878787878787
Percentage of ConvertibleDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConvertibleDebtFairValueDisclosures us-gaap:FairValueByMeasurementBasis

us-gaap:ConvertibleDebtFairValueDisclosures

us-gaap:CarryingReportedAmountFairValueDisclosure


Convertible
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312014-06-302014-03-312013-12-31
Value575575575575575575575575624638250250250
Percentage of ConvertibleDebtFairValueDisclosures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Convertible
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value675620635673724697660620617674651719702692691706719760767770695300310276250269262251
Percentage of ConvertibleDebtFairValueDisclosures117.5107.9110.5117.2126.0121.3114.9107.90.00.00.0115.20.00.00.0110.80.00.00.00.00.00.00.00.00.0107.8104.9100.4

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentCarryingAmount

us-gaap:NotesPayableToBanks


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value4818434341673763324027821872
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentConvertibleConversionPrice1 us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleConversionPrice1

exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive


Debt
Period End2020-09-30
Value90.91
Percentage of DebtInstrumentConvertibleConversionPrice1100.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateEffectivePercentage

exr:ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFive


Debt
Period End2021-03-312020-12-312020-09-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value4.04.04.00.040.040.040.040.040.040.040.040.040.040.040.040.040.040.04
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentRepurchasedFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentRepurchasedFaceAmount

exr:ExchangeableSeniorNotes


Debt
Period End2020-12-312018-12-31
Value57549
Percentage of DebtInstrumentRepurchasedFaceAmount100.0100.0

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

us-gaap:DebtWeightedAverageInterestRate

srt:Maximum, exr:SecuredLoanWithBank, us-gaap:NotesPayableToBanks


Debt
Period End2020-12-312019-12-312018-12-31
Value2.20.03310.041
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0

srt:Minimum, exr:SecuredLoanWithBank, us-gaap:NotesPayableToBanks


Debt
Period End2020-12-312019-12-312018-12-31
Value1.390.03010.039
Percentage of DebtWeightedAverageInterestRate63.290.995.1

srt:Minimum, exr:UnsecuredLoanWithBank, us-gaap:NotesPayableToBanks


Debt
Period End2020-12-312019-12-31
Value1.040.0276
Percentage of DebtWeightedAverageInterestRate47.383.4

us-gaap:DeferredFinanceCostsNet us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsNet

us-gaap:NotesPayableToBanks


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value212429242724
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value322924181719181510
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


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
Value16141110121319167.646.8146.937
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInvestmentInSubsidiaries

us-gaap:DeferredTaxAssetsInvestmentInSubsidiaries


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value219000.0219000.0219000.0219000.0365000.01085000.0
Percentage of DeferredTaxAssetsInvestmentInSubsidiaries100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1554000.050000.053000.057000.01548000.0309000.0840000.0422000.0572000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsStateTaxes

us-gaap:DeferredTaxAssetsStateTaxes


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value6725000.07250000.07196000.07802000.06078000.06016000.06260000.04570000.04135000.0
Percentage of DeferredTaxAssetsStateTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


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
Value2635000.02118000.01604000.01287000.01713000.01346000.01176000.01394000.01610000.01955000.02140000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


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
Value2325000.02006000.01772000.0873000.02741000.02633000.01232000.01043000.01721000.01542000.01229000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value72000.084000.096000.0108000.0201000.0221000.0269000.0663000.0340000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value27232015161716149.951
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFixedInterestRate us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:DerivativeFixedInterestRate

srt:Maximum, us-gaap:InterestRateSwap, us-gaap:CashFlowHedging


Derivative
Period End2020-12-312019-12-312018-12-31
Value3.870.0460.0387
Percentage of DerivativeFixedInterestRate100.0100.0100.0

srt:Minimum, us-gaap:InterestRateSwap, us-gaap:CashFlowHedging


Derivative
Period End2020-12-312019-12-312018-12-31
Value1.070.01130.0113
Percentage of DerivativeFixedInterestRate27.624.629.2

us-gaap:DerivativeNotionalAmount

us-gaap:DerivativeNotionalAmount


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value19892087209121572354
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0

us-gaap:DerivativeNotionalAmount us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

srt:Maximum, us-gaap:InterestRateSwap, us-gaap:CashFlowHedging


Derivative
Period End2020-12-312019-12-31
Value238267
Percentage of DerivativeNotionalAmount11.411.4

srt:Minimum, us-gaap:InterestRateSwap, us-gaap:CashFlowHedging


Derivative
Period End2020-12-312019-12-31
Value3330
Percentage of DerivativeNotionalAmount1.61.3

us-gaap:DevelopmentInProcess

us-gaap:DevelopmentInProcess


Development
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value674146332124176.654.1389.3668.6216.8133734
Percentage of DevelopmentInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsReceivable

us-gaap:DividendsReceivable


Dividends
Period End2021-06-302021-03-312020-12-31
Value21124.889
Percentage of DividendsReceivable100.0100.0100.0

us-gaap:DueFromRelatedPartiesNoncurrent

us-gaap:DueFromRelatedPartiesNoncurrent


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value100100100100100100100100100108108119119119120120120120120120120120120120120120120100100100100100100100100100100100100100100100100100
Percentage of DueFromRelatedPartiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:PerformanceShares


Employee
Period End2020-12-312019-12-312018-12-312017-12-31
Value6.4064.3152.7391.681
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0

us-gaap:RestrictedStock


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1111101214117.016.659
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized181.7271.4396.9768.20.00.00.00.0

us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity

us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity


Equity
Period End2020-12-31
Value25
Percentage of EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:EquityMethodInvestmentOwnershipPercentage


Equity
Period End2021-03-012017-12-312015-12-312014-12-312012-12-202012-02-17
Value55.00.250.50.180.20.4
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:Range

srt:Maximum


Equity
Period End2021-06-302021-03-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-31
Value50.050.050.00.50.50.50.250.5
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.0100.00.0

srt:Minimum


Equity
Period End2021-06-302021-03-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-31
Value10.010.010.00.10.10.10.10.2
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.040.00.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:Range, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

srt:Maximum, exr:OtherMinorityOwnedProperties


Equity
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value50.00.50.50.50.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.0

srt:Minimum, exr:OtherMinorityOwnedProperties


Equity
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value10.00.10.10.10.10.10.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

exr:AlanJathooJVLLC


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value10.010.010.010.00.10.10.10.10.10.10.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.00.00.00.00.0

exr:BristolInvestmentsLLC


Equity
Period End2020-12-312019-12-31
Value10.00.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.0

exr:ESSBristolInvestmentsLLC


Equity
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value10.010.010.00.10.10.10.10.10.10.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.00.00.00.0

exr:ESSNYFLJVLP


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-05-31
Value16.016.016.016.00.160.160.160.160.160.16
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.00.00.0

exr:ExtraSpaceNorthernPropertiesSixLLC


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value10.010.010.010.00.10.10.10.10.10.10.10.10.10.340.10.10.10.10.10.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.00.00.00.00.00.00.040.00.020.055.60.00.00.0

exr:GFNJVLLC


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10.010.010.010.00.10.10.10.10.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.00.00.0

exr:PREXRSelfStorageLLC


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312017-12-312016-12-312016-04-08
Value25.025.025.025.00.250.250.250.450.250.25
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.0180.00.00.0

exr:PRISASelfStorageLLC


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value4.04.04.04.00.040.040.040.040.040.040.040.040.040.050.10.040.020.020.020.020.02
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.00.00.00.00.00.00.040.00.04.011.10.00.00.0

exr:StoragePortfolioIIIJVLLC


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value10.010.010.010.00.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.0

exr:StoragePortfolioIIJVLLC


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-11-30
Value10.010.010.010.00.10.10.10.10.10.10.10.10.10.050.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exr:StoragePortfolioILLC


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value34.034.034.034.00.340.340.340.340.340.340.340.340.340.040.250.250.250.250.250.250.25
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.050.0138.90.00.00.0

exr:StoragePortfolioIVJVLLC


Equity
Period End2021-06-30
Value10.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

exr:VRSSelfStorageLLC


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value45.045.045.045.00.450.450.450.450.450.450.450.450.450.450.450.450.450.450.450.45
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.090.0250.00.00.00.0

exr:WICNNJVLLC


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-19
Value10.010.010.010.00.10.10.10.10.10.10.10.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-31
Value55
Percentage of FinanceLeaseLiability100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value229
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value222
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value1284000.0
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value1537000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value1508000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value1496000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value1485000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value174
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2020-12-312019-12-31
Value588.05
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2020-12-312019-12-31
Value3.476.07
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value129127121112101
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0

us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet

us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302018-03-312017-03-31
Value35353534-12.124-0.012124
Percentage of InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue us-gaap:BalanceSheetLocation

us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue

us-gaap:OtherLiabilities


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value6975981081191133143309.3072.1310.00.00.00.0091.432.0191.0732.4473953346.991203.7787.2313.5333.684
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-12-31
Value6975981081191133143309.3072.1310.0091.432.0191.0732.4473953346.991203.778-7.231-3.5331.8183.1943.0833.6844.953-5.037158.311
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-100.0-100.00.00.00.0100.00.00.00.00.0

us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Interest
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value98312.1310.0091.432.0191.0732.4473953346.991203.778-7.231-3.5331.818
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-100.0-100.00.0

us-gaap:InvestmentBuildingAndBuildingImprovements

us-gaap:InvestmentBuildingAndBuildingImprovements


Investment
Period End2020-12-312019-12-312018-12-31
Value735770476743
Percentage of InvestmentBuildingAndBuildingImprovements100.0100.0100.0

us-gaap:LandAvailableForDevelopment

us-gaap:LandAvailableForDevelopment


Land
Period End2020-12-312019-12-312018-12-31
Value3372000.03372000.07359000.0
Percentage of LandAvailableForDevelopment100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value29
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense


Liability
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8.2948.1097.3265.16710111.8321.2361.4140.715
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit

us-gaap:LineOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value26135394994207244158159382335810.0250100942512836336516688116361859913810085240100135215166129125170100
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit us-gaap:LineOfCreditFacility

exr:FirstCreditLine


Line
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1023881193.0367.0
Percentage of LineOfCredit10.724.1100.020.20.8100.05.1

exr:SecondCreditLine


Line
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-31
Value4871200.07536241
Percentage of LineOfCredit51.375.90.079.899.229.7

exr:ThirdCreditLine


Line
Period End2020-12-312014-12-31
Value36050
Percentage of LineOfCredit37.936.2

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd us-gaap:LineOfCreditFacility

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

exr:FirstCreditLine


Line
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1.60.0320.040.0320.0240.0210.0210.02070.02360.013
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:SecondCreditLine


Line
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1.00.0270.0360.030.0220.0220.0190.02070.02410.024
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd62.584.490.093.891.7104.890.5100.0102.1184.6

exr:ThirdCreditLine


Line
Period End2020-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1.50.0210.0190.02370.02410.025
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd93.8100.090.5114.5102.1192.3

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:NotesPayableToBanks


Long
Period End2020-12-31
Value1781
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:NotesPayableToBanks


Long
Period End2020-12-31
Value459
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:NotesPayableToBanks


Long
Period End2020-12-31
Value524
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:NotesPayableToBanks


Long
Period End2020-12-31
Value705
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:NotesPayableToBanks


Long
Period End2020-12-31
Value762
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:NotesPayableToBanks


Long
Period End2020-12-31
Value584
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:LongtermDebtPercentageBearingFixedInterestAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongtermDebtPercentageBearingFixedInterestAmount

exr:SecuredLoanWithBank, us-gaap:NotesPayableToBanks


Longterm
Period End2020-12-312019-12-312018-12-312017-12-31
Value1112136520322095
Percentage of LongtermDebtPercentageBearingFixedInterestAmount100.0100.0100.0100.0

exr:UnsecuredLoanWithBank, us-gaap:NotesPayableToBanks


Longterm
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value252520529906000.073
Percentage of LongtermDebtPercentageBearingFixedInterestAmount227.0150.348.728.60.00.0

us-gaap:LongtermDebtPercentageBearingVariableInterestAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongtermDebtPercentageBearingVariableInterestAmount

exr:SecuredLoanWithBank, us-gaap:NotesPayableToBanks


Longterm
Period End2020-12-312019-12-312018-12-312017-12-31
Value1081878834717
Percentage of LongtermDebtPercentageBearingVariableInterestAmount100.0100.0100.0100.0

exr:UnsecuredLoanWithBank, us-gaap:NotesPayableToBanks


Longterm
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value100473103503000.0
Percentage of LongtermDebtPercentageBearingVariableInterestAmount9.25.437.148.70.00.0

us-gaap:MinorityInterestInOperatingPartnerships

us-gaap:MinorityInterestInOperatingPartnerships


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value21922021620619720120520921021321821321321221320220020120319519320120219719792929090919190282222242424242323252631
Percentage of MinorityInterestInOperatingPartnerships100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestInPreferredUnitHolders

us-gaap:MinorityInterestInPreferredUnitHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value172172172171172175175175176176153160160160159154154147147135135808080818181102102808029302929292929292929292929
Percentage of MinorityInterestInPreferredUnitHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners

exr:CommonOperatingPartnership


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5.45.65.86.00.0620.0930.0940.0940.0950.09
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners us-gaap:Ownership, us-gaap:Range

exr:NonControllingInterestOther, srt:Maximum


Minority
Period End2021-06-302021-03-312020-03-31
Value20.020.00.2
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners370.4357.1322.6

exr:NonControllingInterestOther, srt:Minimum


Minority
Period End2021-06-302021-03-312020-03-31
Value5.05.00.05
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners92.689.380.6

us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners us-gaap:Ownership, us-gaap:Range, us-gaap:StatementEquityComponents

exr:JointVentureOne, srt:Maximum, exr:NonControllingInterestOther


Minority
Period End2020-12-312019-12-31
Value20.00.2
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners344.8215.1

exr:JointVentureOne, srt:Minimum, exr:NonControllingInterestOther


Minority
Period End2020-12-312019-12-31
Value5.00.05
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners86.253.8

us-gaap:MinorityInterestOwnershipPercentageByParent us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByParent

exr:CommonOperatingPartnership


Minority
Period End2021-06-302021-03-312020-12-312020-09-30
Value94.694.494.294.0
Percentage of MinorityInterestOwnershipPercentageByParent100.0100.0100.0100.0

us-gaap:NotesPayable

us-gaap:NotesPayable


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value510949474797461143004310431840854090410141374104382937273738356834293198321331002985284227581858
Percentage of NotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesPayable us-gaap:LongtermDebtType

us-gaap:NotesPayableToBanks


Notes
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value4797431841373738321327581858
Percentage of NotesPayable100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesPayableFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:NotesPayableFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312014-09-302014-06-302014-03-312013-12-31
Value3925356336373545345434603417316632523051302228152417318135113251368
Percentage of NotesPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value400136403816371736133599351132963323305729853469283527392774288226482329240424922446232918281963129614871320294137913341365
Percentage of NotesPayableFairValueDisclosure101.9102.2104.9104.9104.6104.0102.7104.1102.2100.298.80.00.00.098.50.00.00.099.50.00.00.00.00.00.00.00.092.5102.1100.799.7

us-gaap:NotesReceivableFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:NotesReceivableFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure


Notes
Period End2021-06-302021-03-312020-12-312020-09-302018-12-312017-12-312016-12-31
Value1041041041010.02052
Percentage of NotesReceivableFairValueDisclosure100.0100.0100.0100.00.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Notes
Period End2021-06-302021-03-312020-12-312020-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1071071141110.00.00.015202121215355548586
Percentage of NotesReceivableFairValueDisclosure103.3103.8109.8109.80.00.00.00.0101.60.00.00.0102.40.00.00.00.0

us-gaap:NotesReceivableNet us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:NotesReceivableNet

us-gaap:BridgeLoan


Notes
Period End2021-06-302021-03-312020-12-312019-12-31
Value14512918743
Percentage of NotesReceivableNet100.0100.0100.0100.0

us-gaap:NotesReceivable


Notes
Period End2021-06-302021-03-312020-12-31
Value101101101
Percentage of NotesReceivableNet69.978.754.2

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312019-12-31
Value3.663.65
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OtherCommitment us-gaap:OtherCommitments

us-gaap:OtherCommitment

exr:CommitmentToAcquireRetailSpace


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value28661651571052027415867271161194355190462166165183392
Percentage of OtherCommitment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exr:CommitmentToAcquireRetailSpaceWithJointVenturePartners


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value9.894.2131.61.61125253125257362777788961341417455
Percentage of OtherCommitment34.36.41.01.010.8124.991.675.043.737.827.238.739.921.946.420.980.685.740.714.2

us-gaap:OtherLiabilities

us-gaap:OtherLiabilities


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value280287272245253217132151132110104968787818577798711812710680715253543949373734314648433832333028252824
Percentage of OtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredUnitsPreferredPartnersCapitalAccounts

us-gaap:PreferredUnitsPreferredPartnersCapitalAccounts


Preferred
Period End2021-06-302021-03-312020-12-31
Value172172172
Percentage of PreferredUnitsPreferredPartnersCapitalAccounts100.0100.0100.0

us-gaap:PreferredUnitsPreferredPartnersCapitalAccounts us-gaap:PreferredUnitsByName

exr:SeriesAUnits


Preferred
Period End2021-06-302021-03-312020-12-31
Value141413
Percentage of PreferredUnitsPreferredPartnersCapitalAccounts8.58.38.0

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAccumulatedDepreciation


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1681147312621060900728604496391319263
Percentage of RealEstateAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements


Real
Period End2020-12-312019-12-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value761972316921644750163586311326161987
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand


Real
Period End2020-12-312019-12-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1955193818321745140111531019767595
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfLand100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts


Real
Period End2020-12-312019-12-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value951770644545360291238175150
Percentage of RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements


Real
Period End2020-12-312019-12-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value666264626273589746543286289424301827
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand


Real
Period End2020-12-312019-12-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1961193818371749140211611000770598
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfLand100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateGrossAtCarryingValue


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value95759170875481927649639247224126337925732198
Percentage of RealEstateGrossAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateHeldforsale

us-gaap:RealEstateHeldforsale


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1032.94713101.97100.05.6258.67.87511
Percentage of RealEstateHeldforsale100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation


Real
Period End2020-12-312019-12-312018-12-31
Value168114731262
Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAtCost

us-gaap:RealEstateInvestmentPropertyAtCost


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value95079129870781587649
Percentage of RealEstateInvestmentPropertyAtCost100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyNet

us-gaap:RealEstateInvestmentPropertyNet


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value81137944789377557673768976967665766776887491742573907171713267706782677067706458616459335689445244524197413539543941386236363223302729952991274122782266226320602045197119722049
Percentage of RealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value361413397347344342338175174161125114976370787979798599891038484858586868988100101102106121125125130134137141140130
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalents


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3.7432.465185.7715.3544.6334.9874.4387.9777.84152119183017161213161532302282535252620202122202016233724253032403039
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SECScheduleIIIRealEstateInvestmentPropertyNet

us-gaap:SECScheduleIIIRealEstateInvestmentPropertyNet


S
Period End2020-12-312019-12-312018-12-312017-12-31
Value7893769674917132
Percentage of SECScheduleIIIRealEstateInvestmentPropertyNet100.0100.0100.0100.0

us-gaap:SaleOfStockPricePerShare

us-gaap:SaleOfStockPricePerShare


Sale
Period End2021-03-23
Value129.13
Percentage of SaleOfStockPricePerShare100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value102.9595.9489.8783.840
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.00.0

us-gaap:RestrictedStock


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value95.8690.8580.0274.7670.5755.7537.7326.9617.9312.8110.62
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue93.194.789.089.20.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2020-12-31
Value74.54
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2020-12-31
Value1823000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue


Share
Period End2020-12-31
Value1823000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-31
Value74.54
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested

us-gaap:PerformanceShares


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value126.2115.3212.63
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2020-12-31
Value1823000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312012-12-312011-12-31
Value74.5447.226.7221.8614.3714.37
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

exr:ExercisePriceRangeFive


Sharebased
Period End2020-12-312019-12-312018-12-31
Value85.9964.4538.4
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1115.4136.5143.7

exr:ExercisePriceRangeFour


Sharebased
Period End2020-12-312019-12-312018-12-31
Value73.5265.3623.56
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice198.6138.588.2

exr:ExercisePriceRangeOne


Sharebased
Period End2020-12-312019-12-312018-12-31
Value47.512.216.22
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice163.725.923.3

exr:ExercisePriceRangeThree


Sharebased
Period End2020-12-312019-12-312018-12-31
Value65.4547.512.21
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice187.8100.645.7

exr:ExercisePriceRangeTwo


Sharebased
Period End2020-12-312019-12-312018-12-31
Value65.3638.411.59
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice187.781.443.4

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312012-12-312011-12-31
Value74.5448.8831.5830.4113.8913.25
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

exr:ExercisePriceRangeFive


Sharebased
Period End2020-12-312019-12-312018-12-31
Value85.9965.4538.4
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1115.4133.9121.6

exr:ExercisePriceRangeFour


Sharebased
Period End2020-12-312019-12-312018-12-31
Value73.5265.3623.56
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance198.6133.774.6

exr:ExercisePriceRangeOne


Sharebased
Period End2020-12-312019-12-312018-12-31
Value47.512.216.22
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance163.725.019.7

exr:ExercisePriceRangeThree


Sharebased
Period End2020-12-312019-12-312018-12-31
Value65.4547.512.21
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance187.897.238.7

exr:ExercisePriceRangeTwo


Sharebased
Period End2020-12-312019-12-312018-12-31
Value65.3638.411.59
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance187.778.636.7

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1


Stock
Period End2020-12-312020-09-30
Value400332
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0100.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:StatementClassOfStock
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Statement Class Of Stock
Cost Ratio
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Cost  Ratio us-gaap: Consolidation Items, us-gaap: Statement Business Segments
Operating Margin
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating  Marginus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:CostsAndExpenses
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Costs And Expensesus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating Income Lossus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
(None,)
Other Comprehensive Income Loss Net Of Taxus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:Revenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Revenuesus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Equity Components
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents
(None,)
Minority Interest Decrease From Distributions To Noncontrolling Interest Holdersus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components