QTS


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

Table of contents



us-gaap:CommonStockValue
dei:LegalEntity, us-gaap:CapitalUnitsByClass
us-gaap:CapitalUnitsByClass
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GeneralAndAdministrativeExpense
dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
dei:LegalEntity

us-gaap:IncomeTaxExpenseBenefit
dei:LegalEntity

us-gaap:InterestExpense
dei:LegalEntity

us-gaap:InterestPaidNet
dei:LegalEntity

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
dei:LegalEntity

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OperatingExpenses
dei:LegalEntity

us-gaap:OperatingIncomeLoss
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
dei:LegalEntity

us-gaap:OtherNonoperatingIncomeExpense
dei:LegalEntity

us-gaap:PreferredStockDividendsIncomeStatementImpact
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

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

us-gaap:Revenues
dei:LegalEntity

us-gaap:Assets
dei:LegalEntity
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:Liabilities
dei:LegalEntity
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:LiabilitiesAndStockholdersEquity
dei:LegalEntity

us-gaap:StockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity

us-gaap:Land
dei:LegalEntity
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:ConstructionInProgressGross
dei:LegalEntity
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
dei:LegalEntity

us-gaap:Goodwill
dei:LegalEntity

us-gaap:FiniteLivedIntangibleAssetsNet
dei:LegalEntity
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset
dei:LegalEntity
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OtherAssets
dei:LegalEntity

us-gaap:LongTermDebt
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:DebtAndCapitalLeaseObligations
us-gaap:DebtInstrument

us-gaap:DeferredIncomeTaxLiabilitiesNet
dei:LegalEntity

us-gaap:MinorityInterest

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability
dei:LegalEntity
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
dei:LegalEntity, us-gaap:CapitalUnitsByClass
us-gaap:CapitalUnitsByClass

us-gaap:AdditionalPaidInCapital

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
dei:LegalEntity

us-gaap:MinorityInterest

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
dei:LegalEntity

us-gaap:AmortizationOfFinancingCosts
dei:LegalEntity

us-gaap:DepreciationDepletionAndAmortization
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity
dei:LegalEntity
us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:Dividends
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
dei:LegalEntity
us-gaap:EffectiveIncomeTaxRateContinuingOperations

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

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsValuationAllowance

qts:AccruedEquityIssuancesCosts
dei:LegalEntity

qts:AccruedPreferredStockDividend
dei:LegalEntity

qts:AmortizationOfIndirectLeasingCosts

qts:BusinessAssetCombinationDispositionIntegrationAndImpairmentRelatedCosts
dei:LegalEntity
us-gaap:StatementEquityComponents
qts:ConversionOfClassAPartnershipUnitsToClassACommonStock
us-gaap:StatementEquityComponents
qts:ConversionOfClassAPartnershipUnitsToClassACommonStockShares
us-gaap:StatementClassOfStock
qts:ConversionOfStockConversionRate
us-gaap:Range
qts:FairValuePerShareOfFundsFromOperationsAndRestrictedStockUnitsGranted

qts:FairValuePerShareOfTotalShareholdersReturnAwardsGranted

qts:ForwardSharesSettledNumberOfShares

qts:IncreaseDecreaseInUtilitiesOperatingExpense

qts:NetShareActivityThroughEquityAwardPlan
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
qts:PreferredStockConversionMinimumPercentageOfClosingSalePriceOfCommonStock

qts:ProceedsFromSaleOfEquity

qts:ProceedsFromSettlementsOfEquity

qts:PropertyOperatingCosts
dei:LegalEntity

qts:RealEstateCostCapitalizedExcludingInterestCost

qts:ReclassificationOfOtherComprehensiveIncomeLossToInterestExpense
dei:LegalEntity

qts:ReclassificationOfOtherComprehensiveIncomeLossToUtilitiesExpense
dei:LegalEntity
us-gaap:RelatedPartyTransactionsByRelatedParty
qts:RelatedPartyLeaseExpense
us-gaap:RelatedPartyTransactionsByRelatedParty
qts:RelatedPartyOtherExpenses
us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType, us-gaap:AwardType
qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePrice
us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType, us-gaap:AwardType
qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePriceRangeLowerRangeLimit
us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType, us-gaap:AwardType
qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePriceRangeUpperRangeLimit
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
qts:StockIssuedDuringPeriodSharesSettlementOfForwardShares
us-gaap:StatementEquityComponents

qts:StockIssuedDuringPeriodValueSettlementOfForwardShares
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:Range
qts:WeightedAverageFairValueOfOptionsGrantedDuringPeriod
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:AdjustmentForAmortization

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition

us-gaap:AmortizationOfAboveAndBelowMarketLeases
dei:LegalEntity

us-gaap:CapitalExpendituresIncurredButNotYetPaid
dei:LegalEntity
us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareCashPaid
us-gaap:MajorCustomers, us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:ConcentrationRiskByBenchmark
us-gaap:ConcentrationRiskPercentage1
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark
us-gaap:MajorCustomers, us-gaap:Range, us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:ConcentrationRiskByBenchmark

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:Depreciation
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:DepreciationAndAmortization
dei:LegalEntity

us-gaap:DilutiveSecurities
us-gaap:StatementClassOfStock
us-gaap:DividendsCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents
dei:LegalEntity

us-gaap:EquityMethodInvestmentDividendsOrDistributions
dei:LegalEntity
us-gaap:LongtermDebtType
us-gaap:ExtinguishmentOfDebtAmount

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeasePrincipalPayments
dei:LegalEntity

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax
dei:LegalEntity

us-gaap:IncomeLossFromEquityMethodInvestments
dei:LegalEntity

us-gaap:IncreaseDecreaseDueFromAffiliates
dei:LegalEntity

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables
dei:LegalEntity

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
dei:LegalEntity

us-gaap:IncreaseDecreaseInContractWithCustomerLiability
dei:LegalEntity

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes
dei:LegalEntity

us-gaap:IncreaseDecreaseInDerivativeAssets
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherOperatingAssets
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities
dei:LegalEntity

us-gaap:IncreaseDecreaseInPrepaidExpense
dei:LegalEntity

us-gaap:InterestCostsCapitalized

us-gaap:InvestmentIncomeInterest
dei:LegalEntity

us-gaap:LeaseCost
us-gaap:Ownership
us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
dei:LegalEntity
us-gaap:LimitedPartnersCapitalAccountDistributionAmount
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseLeaseIncome
dei:LegalEntity

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
dei:LegalEntity
us-gaap:PaymentsOfCapitalDistribution

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock
dei:LegalEntity

us-gaap:PaymentsOfFinancingCosts
dei:LegalEntity

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
dei:LegalEntity

us-gaap:PaymentsToAcquireAndDevelopRealEstate
dei:LegalEntity

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
dei:LegalEntity

us-gaap:PaymentsToMinorityShareholders

us-gaap:ProceedsFromIssuanceOfCommonStock
dei:LegalEntity
us-gaap:StatementClassOfStock
us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock

us-gaap:ProceedsFromLongTermLinesOfCredit
dei:LegalEntity

us-gaap:ProceedsFromStockOptionsExercised
dei:LegalEntity

us-gaap:ProvisionForDoubtfulAccounts
dei:LegalEntity

us-gaap:RealEstateTaxesAndInsurance
dei:LegalEntity
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionAmountsOfTransaction

us-gaap:RepaymentsOfLongTermLinesOfCredit
dei:LegalEntity

us-gaap:RepaymentsOfOtherDebt
dei:LegalEntity

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
us-gaap:AwardType, us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
us-gaap:SubsidiarySaleOfStock
us-gaap:StockIssuedDuringPeriodSharesNewIssues
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:SubleaseIncome

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted

us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic

us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersDiluted

us-gaap:UtilitiesOperatingExpense

us-gaap:VariableLeaseCost
us-gaap:StatementClassOfStock
dei:EntityCommonStockSharesOutstanding
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:AboveMarketLeaseAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:AboveMarketLeaseGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:AboveMarketLeaseNet
us-gaap:BusinessAcquisition
qts:AcresOfRealEstateProperty

qts:AdvanceRentSecurityDepositsAndOtherLiabilities
dei:LegalEntity

qts:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedConstructionInProcess

qts:ContractWithCustomersMinimumPaymentsReceivable

qts:ContractWithCustomersMinimumPaymentsReceivableInFiveYears

qts:ContractWithCustomersMinimumPaymentsReceivableInFourYears

qts:ContractWithCustomersMinimumPaymentsReceivableInThreeYears

qts:ContractWithCustomersMinimumPaymentsReceivableInTwoYears

qts:ContractWithCustomersMinimumPaymentsReceivableRemainderOfFiscalYear

qts:ContractWithCustomersMinimumPaymentsReceivableThereafter
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationAfterYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationNextFiscalYear
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearFour
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearThree
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearTotal
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearTwo

qts:DeferredTaxAssetsIntangibles

qts:DeferredTaxAssetsLeases

qts:DeferredTaxAssetsLiabilities

qts:DeferredTaxAssetsTaxDeferredExpenseInterestExpenseCarryforward

qts:DeferredTaxAssetsTaxDeferredExpenseInterestExpenseCarryforwardsNotSubjectToExpiration

qts:DeferredTaxLiabilitiesOperatingLeaseRightUseOfAssets

qts:DeferredTaxOperatingLeaseLiability

qts:EquityMethodInvestmentOwnershipPercentageThreshold

qts:FinanceLeasesAndMortgageNotesPayable
dei:LegalEntity

qts:FiniteLivedAcquiredIntangibleLiabilities

qts:FiniteLivedAcquiredIntangibleLiabilitiesNet

qts:FiniteLivedIntangibleLiabilitiesAccumulatedAmortization

qts:ForwardSharesSoldNumberOfShares

qts:ForwardSharesSoldSettledNumberOfShares

qts:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesNextFiscalYear
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesTotal
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearFour
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearThree
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearTwo
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark
qts:PercentageOfAccountsReceivable

qts:ProceedsFromIssuanceOrSaleOfEquity1

qts:ProceedsFromIssuanceOrSaleOfEquityExcludingDividends

qts:RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

qts:RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties
us-gaap:BusinessAcquisition
qts:RealEstatePurchasePrice
us-gaap:AwardType, us-gaap:PlanName
qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisedPrice
us-gaap:PlanName, us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock
qts:VotesPerShareOfClassBCommonStock

us-gaap:AccountsAndNotesReceivableNet
dei:LegalEntity

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
dei:LegalEntity

us-gaap:AccumulatedAmortizationDeferredFinanceCosts
us-gaap:DebtInstrument

us-gaap:AccumulatedDistributionsInExcessOfNetIncome

us-gaap:AllowanceForDoubtfulAccountsReceivable
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BelowMarketLeaseAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BelowMarketLeaseGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BelowMarketLeaseNet

us-gaap:CapitalizedCostsAssetRetirementCosts

us-gaap:ContractWithCustomerLiability
dei:LegalEntity

us-gaap:DebtInstrumentCarryingAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrumentFairValue

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

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

us-gaap:DeferredCostsCurrentAndNoncurrent
dei:LegalEntity

us-gaap:DeferredCostsLeasingAccumulatedAmortization

us-gaap:DeferredCostsLeasingGross

us-gaap:DeferredCostsLeasingNet

us-gaap:DeferredFinanceCostsGross
us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNet
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredRentReceivablesNet
us-gaap:BalanceSheetLocation

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOtherTaxCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeFairValueOfDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeFixedInterestRate
us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeInstrumentsInHedgesAssetsAtFairValue

us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue
us-gaap:CounterpartyName, us-gaap:StatementGeographical
us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:TypeOfArrangement

us-gaap:DerivativeLiabilities
dei:LegalEntity
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount

us-gaap:DividendsPayableCurrentAndNoncurrent
dei:LegalEntity

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:StatementClassOfStock
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestments

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:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InvestmentBuildingAndBuildingImprovements
dei:LegalEntity
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

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

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
dei:LegalEntity, us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners

us-gaap:NumberOfRealEstateProperties

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
dei:LegalEntity
us-gaap:PartnersCapital
us-gaap:StatementClassOfStock
us-gaap:PreferredStockRedemptionPricePerShare
dei:LegalEntity, us-gaap:CapitalUnitsByClass
us-gaap:PreferredStockValue
us-gaap:CapitalUnitsByClass

us-gaap:PrepaidExpenseCurrentAndNoncurrent
dei:LegalEntity

us-gaap:RealEstateAccumulatedDepreciation
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation
dei:LegalEntity
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:RealEstateInvestmentPropertyAtCost
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:RealEstateInvestmentPropertyNet
dei:LegalEntity
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:RentalProperties
dei:LegalEntity

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionLand
us-gaap:RealEstateProperties
us-gaap:StatementGeographical, us-gaap:RealEstateProperties

us-gaap:SeniorNotes
dei:LegalEntity
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName, us-gaap:StatementClassOfStock
us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType, us-gaap:AwardType
us-gaap:PlanName, us-gaap:StatementClassOfStock
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
us-gaap:StatementClassOfStock
us-gaap:AwardType, us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:TaxBasisOfInvestmentsCostForIncomeTaxPurposes

us-gaap:UnsecuredDebt
dei:LegalEntity
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Other Nonoperating Income Expense
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
Derivative Liabilities
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:CommonStockValue █▅▃▃▂▂▁0.770.690.6460.6440.6140.6040.582NANANA0.5110.5110.511NA0.5070.5040.4880.4810.4780.4790.4780.4140.4120.4120.4090.3480.2940.290.290.290.289NA
 us-gaap:SharesOutstanding dei:LegalEntity,us-gaap:PartnerTypeOfPartnersCapitalAccount,us-gaap:StatementEquityComponents qts:QualitytechLp,us-gaap:LimitedPartner,us-gaap:CommonStockNANANA71.10168.10267.06964.90164.90662.05962.02857.79957.80157.81857.8157.246NANANANANANANANANANANANANANANANANA
 us-gaap:SharesOutstanding dei:LegalEntity,us-gaap:PartnerTypeOfPartnersCapitalAccount,us-gaap:StatementEquityComponents qts:QualitytechLp,us-gaap:LimitedPartner,us-gaap:PreferredStockNANANA7.4437.4437.4437.4437.4437.4437.4437.4437.4437.4434.28NANANANANANANANANANANANANANANANANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock█▇▇▇▇▆▆▆▆▆▆▆▆▆▁▆▅▅▁▅▅▅▅▅▅▄▄▄▄▄▄77.0368.96364.5864.44261.43260.39858.22858.23855.39155.35451.12351.12451.14151.1360.05070250.42448.81248.0580.04783147.85847.86541.43541.22641.10140.88134.81829.40829.01729.01729.01728.973NA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:PreferredStock█████████████▁7.4437.4437.4437.4437.4437.4437.4437.4437.4437.4437.4437.4437.4434.28NANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁69.33864.442NA61.03659.77358.038NA54.92854.71352.295NA50.46950.45250.279NA56.17155.45842955.62026NA55.68766555.57454548.973851NA48.73341744.44410439.209226NA37.25176937.00974636.88947436.794215NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁69.33864.442NA61.03659.77358.038NA54.92854.71351.948NA50.46950.45250.279NA48.71447.66608647.908709NA47.85451647.78309341.292445NA40.99438736.66875531.294488NA29.01677429.01677429.01677428.972774NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities qts:ClassPartnershipUnits▁█6.446.466NA6.6586.6716.671NA6.6686.6696.674NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities qts:SeriesBConvertiblePreferredStock█▁6.7876.779NA6.7626.7566.749NA6.7296.7296.729NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:StockCompensationPlan█▁1.4341.212NA1.1761.1310.655NA0.5570.495NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▄▄▁▄▅▅▃▅▅█▅▂▃▅▂▇▆▇▇▇▇▇▇█▇▇▇▇▇▇▇-0.08-0.07-0.33-0.07-0.05-0.01-0.2-0.05-0.030.2-0.02-0.25-0.16-0.02-0.290.130.080.10.10.120.110.140.110.170.130.130.160.110.110.140.11NA
us-gaap:EarningsPerShareDiluted ▄▄▁▄▅▅▃▅▅█▅▂▃▅▂▇▆▇▇▇▇▇▇█▇▇▇▇▇▇▇-0.08-0.07-0.33-0.07-0.05-0.01-0.2-0.05-0.030.2-0.02-0.25-0.16-0.02-0.290.130.080.10.10.120.10.140.110.170.120.130.160.110.110.140.11NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
 EBT Margin dei:LegalEntity qts:QualitytechLpNANANA137.538131.64126.292123.707125.255119.167112.689112.337112.213112.277NANANANANANANANANANANANANANANANANANANA
 Net profit Margin dei:LegalEntity qts:QualitytechLpNANANA137.538131.64126.292123.707125.255119.167112.689112.337112.213112.277113.697118.911113.767107.868105.964105.443103.46598.68794.76892.6988.8968.11761.38659.56357.94551.33848.943NANA
 Operating Margin dei:LegalEntity qts:QualitytechLpNANANA137.538131.64126.292123.707125.255119.167112.689112.337112.213112.277113.697118.911113.767107.868105.964105.443103.46598.68794.76892.6988.8968.11761.38659.56357.94551.33848.94347.429NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:ComprehensiveIncomeNetOfTax ▆█▄▆▆▁▅▄▃▆▄▄▄▅▃▅▅▅▅▅▅11.01625.764-0.31114.4968.723-24.8751.8340.172-10.1859.584-2.634-4.907-3.3485.43-11.3026.2582.7244.8774.8065.735.807NANANA4.6324.0824.6273.1573.2174.3033.228NA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▆█▅▇▆▁▅▅▃▆▄▄▄▆▃▆▅▆▆▆0.9562.558-0.031.6261.022-2.8310.2210.022-1.2911.217-0.343-0.639-0.4310.702-1.5770.850.3850.6910.6750.808NANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▆█▄▆▆▁▅▄▃▆▄▄▄▅▃▅▅▅▅▅▅11.97228.322-0.34116.1229.745-27.7062.0550.194-11.47610.801-2.977-5.546-3.7796.132-12.8797.1083.1095.5685.4816.5385.807NANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:SubsequentEventType qts:SeniorNote,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ██▆▇▇▆▆▆▆▆▅▆▆▇▆▇▇▇▇▆▇▆▆▆▄▃▃▂▂▂▁24.47623.64120.80922.08221.39120.68320.86619.50420.12419.89117.6719.92221.03122.23420.8221.65222.56222.19721.4519.94221.60820.28619.8919.4414.61513.83811.98711.04511.47310.7788.457NA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▄▅▁▅▆▅▂▅▅█▅▂▂4.458.056-10.4187.13410.3477.951-4.4226.9577.73421.3596.279-7.872-6.296NANANANANANANANANANANANANANA4.0063.9215.328NANA
us-gaap:IncomeTaxExpenseBenefit ▇▇▇▇▇▅▁█0.2510.1380.2420.2270.138-0.169-0.8160.369NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense ▆▇█▆▆▆▅▆▅▆▅▅▇▇▇▇▇▆▅▅▄▅▅▄▄▄▅▄▁▁▁7.4528.1489.1227.5166.9247.1626.2646.7246.4597.1466.056.3868.2038.118.0497.9587.6476.8696.1256.1794.8745.9815.735.4184.7995.3425.6255.412.2082.0652.049NA
us-gaap:InterestPaidNet █▅█▅█▆█▆█▆▁█▆▄▅▆▄▆▄▆▃▆▃▅▃▆▃▄▄▄▄19.1868.80117.5888.94918.6899.3718.2889.90718.3679.461-8.76419.0319.5454.727.17511.2422.1499.3681.2389.658-0.3039.3040.2428.919-0.5739.4390.3511.6261.5991.3741.995NA
us-gaap:NetIncomeLoss ▅▆▂▅▆▆▃▅▅█▅▃▃▄▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄4.457.839-8.9226.9259.8928.01-2.5116.6377.48319.5586.476-5.282-5.431-0.223-14.1426.5074.044.8774.8065.735.15.8894.6037.0094.6324.0824.6273.1573.094.1983.1540.445
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▄▅▁▅▅▅▂▅▅█▅▂▃▅▁▇▆▆▆▆▆▇▆▇▇▇▇▇▇▇▇-0.2510.079-1.738-0.0180.3170.11-1.219-0.0490.0521.59-0.074-1.61-1.002-0.029-1.9710.8870.5680.6910.6750.8080.7070.970.7311.2290.8880.9551.2210.8490.8311.130.848NA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▄▅▁▅▆▅▃▅▅█▅▂▃▅▁▇▆▆▆▆▆▆▆▇▆▆▆▆▆▆▆-2.5950.794-15.967-0.122.8470.965-9.556-0.4080.43812.513-0.569-12.327-7.679-0.551-14.1426.5074.044.8774.8065.735.15.8894.6037.0094.6324.0824.6273.1573.094.1983.154NA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity qts:QualitytechLpNANANA-0.1383.1641.075-10.651-0.4570.4914.103-0.643-13.937-8.681-0.58-16.1137.3944.6085.568NANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▅▅▁▅▅▅▃▅▅█▅▃▄▅▂▇▇▇▇▇▇▇▇▇▇▇▇▇-2.595-4.491-20.806-4.492-2.705-0.631-11.261-2.592-1.44210.578-0.773-12.533-7.906-0.809-16.2317.1914.3965.5685.4816.5385.8076.8595.3348.2385.525.0375.8484.006NANA4.002NA
us-gaap:OperatingExpenses █▇▇▇▆▆▇▆▆▅▅▆▆▆▆▅▅▅▅▅▅▄▄▄▃▂▂▂▂▁▁142.614131.969126.746122.522113.781110.661120.85111.649104.56997.36399.461113.765110.395108.242111.358100.93497.04295.04994.35194.9690.46284.53385.44777.79560.85151.00747.88148.03245.07241.5334.259NA
us-gaap:OperatingIncomeLoss ▄▅▅▅▅▅▂▅▅█▄▁▂▃▃▄▄▄▄▃▃▄▃▄▃▄▄▄▃▃▃▂12.60616.76317.15115.01617.85915.6314.21813.60614.59828.73412.876-1.5521.8825.4557.55312.83310.82610.91511.0928.5058.22510.2357.24311.0957.26610.37911.6829.9136.2667.4136.2031.143
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax █▁0.054-0.158NA0.1660.064-0.223NA-0.426NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense NANA0.00.00.00.159-0.380.37-0.04NANANANANANANANANA-0.1930.001NANA-0.3850.0-0.083NA-0.291-0.47-0.11NA-0.153NA
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity qts:QualitytechLpNANANA0.00.00.159-0.380.37-0.04NANANANANANANANANA-0.1930.001NANA-0.3850.0-0.083NA-0.291-0.47-0.11NANANA
us-gaap:PreferredStockDividendsIncomeStatementImpact ████████████▃▁7.0457.0457.0457.0457.0457.0457.0457.0457.0457.0457.0457.0452.2480.328NANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▅▆▂▅▆▆▃▅▅█▅▃▃▄▁▅▅▅▅▅▅▅▅▆▅▅▅▅▅▅▅▄4.1997.918-10.666.90710.2098.12-3.6066.5887.53521.1486.402-6.892-6.433-0.252-16.1137.3944.6085.5685.4816.5385.8076.8595.3348.2385.525.0375.8484.0063.9215.3284.0020.445
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▁█▁▁▁▇▁▁▁▆▁▁▂▇▆▆▆▆▆▆▆▅▅▄▄▄▄▃▃▃▁4.4134.424143.8973.7565.6446.211123.7073.784.193.3112.3377.45311.19113.769118.911113.767107.868105.964105.443103.46598.68794.76892.6988.8968.11761.38659.56357.94551.33848.94340.4626.967
us-gaap:Revenues ██▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▄▄▃▃▃▃▃▁155.22148.732143.897137.538131.64126.292123.707125.255119.167112.689112.337112.213112.277113.697118.911113.767107.868105.964105.443103.46598.68794.76892.6988.8968.11761.38659.56357.94551.33848.94340.4626.967
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:Assets ██▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▂▂▁▁▁▁4334.5894085.293898.5723689.5523527.8713533.1973223.5333123.4923066.9533004.2542861.9692718.8582654.8652542.8882415.0562258.4462206.3832130.5822086.471986.5871946.6851799.4081757.5091705.4911652.0281185.991106.5591050.149990.927877.021831.356NA
us-gaap:Liabilities ▇██▇▇▇▆▆▆▅▅▅▄▅▅▄▄▄▄▃▃▃▃▃▃▂▂▂▂▁▁2085.7762295.612313.8742067.7162040.9352069.5011779.0821649.681673.4231569.7741565.2821391.6311294.9551462.6931424.41250.3411244.0271192.31133.661021.844970.8421088.9241037.643976.938917.543647.767726.374666.269600.954481.847431.652NA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▂▂▁▁▁▁4334.5894085.293898.5723689.5523527.8713533.1973223.5333123.4923066.9533004.2542861.9692718.8582654.8652542.8882415.0562258.4462206.3832130.5822086.471986.5871946.6851799.4081757.5091705.4911652.0281185.991106.5591050.149990.927877.021831.356NA
us-gaap:StockholdersEquity █▆▆▆▅▅▅▅▅▅▄▅▅▄▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁2106.8431671.2221476.1741508.1141381.21358.6361337.8171364.2611287.5691323.7791193.9861220.9861249.932967.396877.414892.111844.968822.227834.468845.229854.908610.31617.955624.516627.146444.97302.708302.81307.215311.573314.967NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▁▂▂▁█▁▁▁▂▁▁▃▁▁▁▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁28.06814.65222.77521.99816.474171.95715.65313.51810.63818.67811.75913.87952.46815.9218.2439.27142.60418.2579.5811.76912.7769.7448.80410.7310.7445.74810.7885.0457.4897.9285.217.726
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▁▂▂▁█▁▁▁▁▁▁▃▁▁▁▂28.06814.65222.77521.99816.474171.95715.65313.51810.63818.67811.75913.87952.46815.9218.2439.27142.604NA9.58NANANA8.804NANANANANANANANANA
us-gaap:Land █▇█▇▇▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▁▁175.348164.822165.109164.816149.023130.576130.605127.587107.307105.541105.541105.541105.54188.21588.21686.19286.19274.1374.1373.96864.56857.12857.11252.4352.4348.57748.57748.57648.57630.60130.601NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:ConstructionInProgressGross █▇▇▆▆▆▆▆▆▅▅▅▄▄▄▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁1214.7941119.7491028.765957.592976.257877.313920.922843.754856.005803.888790.064731.66649.766636.054567.819429.39363.449361.021365.96320.65316.797340.511345.655353.782320.885266.234214.719174.47183.516182.699146.904NA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▁▄▃▃▄▅▅▅▅█12.4325.85822.60822.88327.76832.05130.21830.74232.79744.191NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Goodwill ▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁█▃▂173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843173.843171.679181.738174.697173.237NANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▄▄▄▄▅▅▅▅▅▅▆▆▆▆▆▇▇▇▇██▇▇▇▇▂▂▂▂▁▁62.09364.93468.0971.36774.778.13981.67985.24289.22692.05395.45196.622100.202104.95109.451114.286119.384124.507129.754135.306142.848125.733115.702119.402122.00517.26218.018.74519.5544.4135.396NA
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▃▃▄▅▆▆▇█48.34249.85151.34252.81654.27455.71657.14158.55159.94661.585NANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:LongTermDebt ▁▇█▃1545.1561811.8771842.3371624.641NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DebtAndCapitalLeaseObligations NANA1884.0551667.8621653.4261675.3791463.9041371.661403.8561283.9881356.6741187.181106.2171246.2251241.5651109.7251082.0591043.365977.708873.825839.44956.666871.739820.937754.063NA637.229NANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument qts:FinanceLeases▇█▁42.39542.52541.718NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁▁▁▁▁▁▁▂▁▁▁▁▂▂▃▇█0.9480.8260.810.6370.510.4790.7491.5631.2941.2081.0971.2122.0682.1094.6119.81412.207NA15.185NANANA18.813NANANANANANANANANA
us-gaap:MinorityInterest █▅▄▅▄▄▄▄▄▅▄▄▅▅▅▅▅▅▅▆▆▃▄▄▄▃▁▁▂▂▂141.97118.458108.524113.722105.736105.06106.634109.551105.961110.701102.701106.241109.978112.799113.242115.994117.388116.055118.342119.514120.935100.174101.911104.037107.33993.25377.47781.0782.75883.60184.737NA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA10.266NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA10.393NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA8.317NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA8.036NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA40.872NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:StockholdersEquity █▆▆▆▅▅▅▅▅▅▄▅▅▄▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁2106.8431671.2221476.1741508.1141381.21358.6361337.8171364.2611287.5691323.7791193.9861220.9861249.932967.396877.414892.111844.968822.227834.468845.229854.908610.31617.955624.516627.146444.97302.708302.81307.215311.573314.967NA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▆▆▆▅▅▅▅▅▅▄▅▅▄▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁2248.8131789.681584.6981621.8361486.9361463.6961444.4511473.8121393.531434.481296.6871327.2271359.911080.195990.6561008.105962.356938.282952.81964.743975.843710.484719.866728.553734.485538.223380.185383.88389.973395.174399.704NA
us-gaap:CommonStockValue █▅▃▃▂▂▁0.770.690.6460.6440.6140.6040.582NANANA0.5110.5110.511NA0.5070.5040.4880.4810.4780.4790.4780.4140.4120.4120.4090.3480.2940.290.290.290.289NA
us-gaap:AdditionalPaidInCapital █▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁2305.0321834.3091622.8571614.5081463.4451412.0251330.4441326.0871219.0481214.7111062.4731059.9141056.6671052.2021049.1761032.912972.37933.399931.783930.128928.313671.65670.275668.246664.751474.185324.917321.119320.39319.551318.834NA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▄▄▂▁▁▁▅▄▅▆▇███▇▇▇-31.638-35.181-50.451-56.48-61.322-57.998-24.642-28.9-23.31-6.7022.07310.1038.846.5731.283-1.565-1.316NANANANANANANANANANANA-0.124-0.252-0.357NA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax dei:LegalEntity qts:QualitytechLpNANANA-62.314-67.98-64.403-27.465-32.274-26.115-7.5092.34411.4239.9947.4311.449-1.785-1.499NANANANANANANANANANANANANANANA
us-gaap:MinorityInterest █▅▄▅▄▄▄▄▄▅▄▄▅▅▅▅▅▅▅▆▆▃▄▄▄▃▁▁▂▂▂141.97118.458108.524113.722105.736105.06106.634109.551105.961110.701102.701106.241109.978112.799113.242115.994117.388116.055118.342119.514120.935100.174101.911104.037107.33993.25377.47781.0782.75883.60184.737NA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁7.3116.856NA8.2476.0814.875NA4.4574.2963.33.5313.9615.714.8983.3563.6933.7323.0822.6972.6373.22.051.758NANANANANANANA0.578NA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▁█3.223.235NA3.1293.1343.133NA2.9322.9322.9352.7352.7352.7362.7362.5522.5572.6452.6452.4422.432.6472.3562.1862.2122.2392.242.2642.7671.9342.4872.012NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:NetCashProvidedByUsedInOperatingActivities █▅▇█▅▆▃▃▄▃▃▄▂▄▃▂▃▁▃▂88.2860.09579.59586.75462.30471.06250.25749.80255.26344.16845.16854.57939.97351.55350.06442.87546.84930.53550.29934.993NANANANANANANANANANA29.635NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▂▂▃▃▄▆▇▅█▃▅▅▅▅▅▇▇▅█-253.965-214.68-230.578-207.715-206.437-173.015-99.748-90.597-148.403-48.512-180.872-145.699-143.42-128.562-150.368-139.147-78.718-66.119-132.24-48.448NANANANANANANANANANA-47.963NA
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity qts:QualitytechLpNANANA-207.715-206.437-173.015-99.748-90.597-148.403-48.512-180.872-145.699-143.42-128.562-150.368-139.147-78.718-66.119-132.24-48.448NANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▅▅▅▁█▃▂▄▂▅▃▅▄▄▃▃▂▃▂179.938148.326149.608125.106-11.995258.44952.31742.72685.0911.263133.58452.531139.99484.68799.27662.93956.21644.26179.75212.448NANANANANANANANANANA15.812NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▄▅▅▁█▅▅▄▅▄▄▅▅▄▄13.416-8.1230.7775.524-155.483156.3042.1352.881-8.0416.919-2.12-38.58936.5477.678-1.028-33.333NANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:AmortizationOfFinancingCosts ███▇▆▆▆▇▇▆▆▇▇▆▅▅▅▅▅▄▄▄▄▄▄▄▄▂▄▂▁1.1291.131.0851.00.9910.9870.9421.01.00.9780.9741.01.00.9620.9030.90.90.8720.8610.7980.8130.8130.8090.7870.7940.7910.7790.580.7320.5820.496NA
us-gaap:DepreciationDepletionAndAmortization ███▇▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▅▃▃▃▂▂▂▂▁▁▁56.79153.82554.47249.58745.8143.37343.0840.42939.77237.24736.33536.21536.22434.5836.1334.01233.21433.22932.3631.96733.82823.30926.14123.87218.00615.46915.25714.40213.14712.52110.636NA
us-gaap:NetCashProvidedByUsedInOperatingActivities █▅▇█▅▆▃▃▄▃▃▄▂▄▃▂▃▁▃▂88.2860.09579.59586.75462.30471.06250.25749.80255.26344.16845.16854.57939.97351.55350.06442.87546.84930.53550.29934.993NANANANANANANANANANA29.635NA
us-gaap:NetIncomeLoss ▅▆▂▅▆▆▃▅▅█▅▃▃▄▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄4.457.839-8.9226.9259.8928.01-2.5116.6377.48319.5586.476-5.282-5.431-0.223-14.1426.5074.044.8774.8065.735.15.8894.6037.0094.6324.0824.6273.1573.094.1983.1540.445
us-gaap:ProfitLoss ▅▆▂▅▆▆▃▅▅█▅▃▃▄▁▅▅▅▅▅▅▅▅▆▅▅▅▅▅▅▅▄4.1997.918-10.666.90710.2098.12-3.6066.5887.53521.1486.402-6.892-6.433-0.252-16.1137.3944.6085.5685.4816.5385.8076.8595.3348.2385.525.0375.8484.0063.9215.3284.0020.445
us-gaap:ShareBasedCompensation ▇▇██▆▅▄▅▄▃▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁7.3116.8567.7778.2476.0814.8754.364.4564.2963.33.5313.9613.9993.4813.3563.6923.7333.0822.6972.6373.22.051.7582.0681.8311.3071.2520.9251.0650.9110.578NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▂▂▃▃▄▆▇▅█▃▅▅▅▅▅▇▇▅█-253.965-214.68-230.578-207.715-206.437-173.015-99.748-90.597-148.403-48.512-180.872-145.699-143.42-128.562-150.368-139.147-78.718-66.119-132.24-48.448NANANANANANANANANANA-47.963NA
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity qts:QualitytechLpNANANA-207.715-206.437-173.015-99.748-90.597-148.403-48.512-180.872-145.699-143.42-128.562-150.368-139.147-78.718-66.119-132.24-48.448NANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▅▅▅▁█▃▂▄▂▅▃▅▄▄▃▃▂▃▂179.938148.326149.608125.106-11.995258.44952.31742.72685.0911.263133.58452.531139.99484.68799.27662.93956.21644.26179.75212.448NANANANANANANANANANA15.812NA
 us-gaap:PaymentsOfDividends dei:LegalEntity qts:QualitytechLpNANANA28.3928.39325.62724.37624.37724.37120.96120.96720.97120.97119.6719.67318.96118.73617.22217.21417.26714.91113.19313.13613.08311.1428.5318.4158.4158.4156.953NANA
us-gaap:PaymentsOfDividendsCommonStock █▇▆▆▆▄▄▄▄▂▂▂▂▁▁▁32.51330.35228.90128.3928.39325.62724.37624.37724.37120.96120.96720.97120.97119.6719.67318.961NANANANANANANANANANANANANANANANA
us-gaap:Dividends █▁36.1332.512NA28.90128.38928.393NA24.37724.37724.37120.9620.96720.97120.97119.6719.67318.96118.73717.22117.22517.22914.91113.19313.13713.08311.1428.5318.4158.4158.4156.953NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-07-02
Value0.770.690.6460.6440.6140.6040.5820.5110.5110.5110.5070.5040.4880.4810.4780.4790.4780.4140.4120.4120.4090.3480.2940.290.290.290.2890.0010.001
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue dei:LegalEntity, us-gaap:CapitalUnitsByClass

qts:QualitytechLp, qts:CommonUnits


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1276114711201064109810121034886908942969989
Percentage of CommonStockValue198247.7186886.2185540.4182900.50.00.00.0173555.0177754.8184398.80.0195109.9
Percentage of Assets34.632.531.733.035.233.034.431.033.435.538.141.0
Percentage of Assets qts:QualitytechLp qts:CommonUnits0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:CapitalUnitsByClass

qts:CommonUnits


Common
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value0.6460.5820.5820.5540.5540.5110.5110.507
Percentage of CommonStockValue100.0100.00.00.00.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets qts:CommonUnits0.00.00.00.00.00.00.00.0

Shares Outstanding

us-gaap:SharesOutstanding dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Shares
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value716867646462625757575757
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:PreferredStock


Shares
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.4437.4437.4437.4437.4437.4437.4437.4437.4437.4434.28
Percentage of SharesOutstanding10.510.911.111.511.512.012.012.912.912.97.4

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value77686464616058585555515151510.0507025048480.047831474741414140342929292928
Percentage of SharesOutstanding0.00.00.090.690.290.189.789.789.389.288.488.488.588.50.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.4437.4437.4437.4437.4437.4437.4437.4437.4437.4437.4437.4437.4434.28
Percentage of SharesOutstanding0.00.00.010.510.911.111.511.512.012.012.912.912.97.4

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-31
Value696461595854545250505056555555554848443937373636
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-31
Value696461595854545150505048474747474140363129292928
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

qts:ClassPartnershipUnits


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value6440000.06466000.06658000.06671000.06671000.06668000.06669000.06674000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0

qts:SeriesBConvertiblePreferredStock


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value6787000.06779000.06762000.06756000.06749000.06729000.06729000.06729000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount105.4104.8101.6101.3101.2100.9100.9100.8

us-gaap:StockCompensationPlan


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value1434000.01212000.01176000.01131000.0655000.0557000.0495000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount22.318.717.717.09.88.47.4

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-0.08-0.07-0.33-0.07-0.05-0.01-0.2-0.05-0.030.2-0.02-0.25-0.16-0.02-0.290.130.080.10.10.120.110.140.110.170.130.130.160.110.110.140.11
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-0.08-0.07-0.33-0.07-0.05-0.01-0.2-0.05-0.030.2-0.02-0.25-0.16-0.02-0.290.130.080.10.10.120.10.140.110.170.120.130.160.110.110.140.11
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1125-0.311148.723-24.8751.8340.172-10.1859.584-2.634-4.907-3.3485.43-11.3026.2582.7244.8774.8065.735.8074.6324.0824.6273.1573.2174.3033.228
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax249.6582.4-0.2385.9154.6-400.51.54.6-243.1290.4-2.3-65.8-29.939.4-9.55.52.54.64.65.55.96.86.67.85.46.38.88.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value956000.02558000.0-30000.01626000.01022000.0-2831000.0221000.022000.0-1291000.01217000.0-343000.0-639000.0-431000.0702000.0-1577000.0850000.0385000.0691000.0675000.0808000.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.757.8-0.043.318.1-45.60.20.6-30.836.9-0.3-8.6-3.95.1-1.30.70.40.70.60.8

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1128-0.341169.745-27.7062.0550.194-11.47610-2.977-5.546-3.7796.132-12.8797.1083.1095.5685.4816.5385.807
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax271.3640.2-0.2429.2172.7-446.11.75.1-273.9327.3-2.7-74.4-33.844.5-10.86.22.95.35.26.35.9

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity

qts:QualitytechLp


Comprehensive
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value169.745-27.7062.0550.194-11.47610-2.977-5.546-3.7796.132-12.8797.1083.1095.5685.4816.5385.807
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax429.2172.7-446.11.75.1-273.9327.3-2.7-74.4-33.844.5-10.86.22.95.35.26.35.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp429.2172.7-446.10.05.1-273.9327.30.0-74.4-33.844.50.00.00.00.00.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:GainsLossesOnExtinguishmentOfDebt

qts:SeniorNote, us-gaap:SubsequentEvent


Gains
Period End2020-10-07
Value-14300000.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:SeniorNote us-gaap:SubsequentEvent0.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2423202221202019201917192122202122222119212019191413111111108.457
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax554.6534.414.5587.9379.0333.016.9516.0480.3602.815.7267.3187.9161.517.519.020.920.920.319.321.921.421.521.921.522.520.119.122.322.020.9

us-gaap:GeneralAndAdministrativeExpense dei:LegalEntity

qts:QualitytechLp


General
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value222120201920191719212220212222211921201919141311111110
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax587.9379.0333.016.9516.0480.3602.815.7267.3187.9161.517.519.020.920.920.319.321.921.421.521.921.522.520.119.122.322.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp587.9379.0333.00.0516.0480.3602.80.0267.3187.9161.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302014-09-302014-06-302014-03-31
Value4.458.056-10.4187.134107.951-4.4226.9577.734216.279-7.872-6.2964.0063.9215.328
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.8182.1-7.2189.9183.3128.0-3.6184.0184.6647.25.6-105.6-56.36.97.610.9

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity

qts:QualitytechLp


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value7.134107.951-4.4226.9577.734216.279-7.872-6.296
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax189.9183.3128.0-3.6184.0184.6647.25.6-105.6-56.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp189.9183.3128.00.0184.0184.6647.20.0-105.6-56.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value251000.0138000.0242000.0227000.0138000.0-169000.0-816000.0369000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.73.10.26.02.4-2.7-0.79.8

us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity

qts:QualitytechLp


Income
Period End2020-09-302019-09-30
Value227000.0369000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.09.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp6.09.8

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value7.4528.1489.1227.5166.9247.1626.2646.7246.4597.1466.056.3868.2038.118.0497.9587.6476.8696.1256.1794.8745.9815.735.4184.7995.3425.6255.412.2082.0652.049
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax168.9184.26.3200.1122.7115.35.1177.9154.2216.55.485.773.358.96.87.07.16.55.86.04.96.36.26.17.08.79.49.34.34.25.1

us-gaap:InterestExpense dei:LegalEntity

qts:QualitytechLp


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value7.5166.9247.1626.2646.7246.4597.1466.056.3868.2038.118.0497.9587.6476.8696.1256.1794.8745.9815.735.4184.7995.3425.6255.412.2082.065
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax200.1122.7115.35.1177.9154.2216.55.485.773.358.96.87.07.16.55.86.04.96.36.26.17.08.79.49.34.34.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp200.1122.7115.30.0177.9154.2216.50.085.773.358.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value198.801178.949189.37189.907189.461-8.764199.5454.727.175112.1499.3681.2389.658-0.3039.3040.2428.919-0.5739.4390.3511.6261.5991.3741.995
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax434.8198.912.2238.3331.1150.914.8262.1438.4286.7-7.8255.385.334.36.09.92.08.81.29.3-0.39.80.310.0-0.815.40.62.83.12.84.9

us-gaap:InterestPaidNet dei:LegalEntity

qts:QualitytechLp


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value8.949189.37189.907189.461-8.764199.5454.727.175112.1499.3681.2389.658-0.3039.3040.2428.919-0.5739.4390.3511.6261.5991.374
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax238.3331.1150.914.8262.1438.4286.7-7.8255.385.334.36.09.92.08.81.29.3-0.39.80.310.0-0.815.40.62.83.12.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp238.3331.1150.90.0262.1438.4286.70.0255.385.334.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
Value4.457.839-8.9226.9259.8928.01-2.5116.6377.483196.476-5.282-5.431-0.223-14.1426.5074.044.8774.8065.735.15.8894.6037.0094.6324.0824.6273.1573.094.1983.1540.445
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.8177.2-6.2184.4175.3129.0-2.0175.6178.6592.75.8-70.9-48.5-1.6-11.95.73.74.64.65.55.26.25.07.96.86.67.85.46.08.67.86.4

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-251000.079000.0-1738000.0-18000.0317000.0110000.0-1219000.0-49000.052000.01590000.0-74000.0-1610000.0-1002000.0-29000.0-1971000.0887000.0568000.0691000.0675000.0808000.0707000.0970000.0731000.01229000.0888000.0955000.01221000.0849000.0831000.01130000.0848000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.71.8-1.2-0.55.61.8-1.0-1.31.248.2-0.1-21.6-9.0-0.2-1.70.80.50.70.60.80.71.00.81.41.31.62.01.51.62.32.1

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-2.5950.794-15.967-0.122.8470.965-9.556-0.4080.43812-0.569-12.327-7.679-0.551-14.1426.5074.044.8774.8065.735.15.8894.6037.0094.6324.0824.6273.1573.094.1983.154
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-58.817.9-11.1-3.250.415.5-7.7-10.810.5379.2-0.5-165.4-68.6-4.0-11.95.73.74.64.65.55.26.25.07.96.86.67.85.46.08.67.8

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity

qts:QualitytechLp


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.1383.1641.075-10.651-0.4570.4914-0.643-13.937-8.681-0.58-16.1137.3944.6085.568
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic115.0111.1111.4111.5112.0111.9112.7113.0113.1113.0105.3113.9113.6114.1114.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.756.117.3-8.6-12.111.7427.4-0.6-187.0-77.6-4.2-13.66.54.35.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp-3.756.117.30.0-12.111.7427.40.0-187.0-77.6-4.20.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value-2.595-4.491-20.806-4.492-2.705-0.631-11.261-2.592-1.44210-0.773-12.533-7.906-0.809-16.2317.1914.3965.5685.4816.5385.8076.8595.3348.2385.525.0375.8484.0064.002
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-58.8-101.5-14.5-119.6-47.9-10.2-9.1-68.6-34.4320.5-0.7-168.2-70.6-5.9-13.66.34.15.35.26.35.97.25.89.38.18.29.86.99.9

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1421311261221131101201111049799113110108111100979594949084857760514748454134
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3231.72983.088.13262.02016.01781.797.72953.72495.72950.488.51526.4986.5786.193.688.790.089.789.591.891.789.292.287.589.383.180.482.987.884.984.7

us-gaap:OperatingExpenses dei:LegalEntity

qts:QualitytechLp


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value12211311012011110497991131101081111009795949490848577605147484541
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3262.02016.01781.797.72953.72495.72950.488.51526.4986.5786.193.688.790.089.789.591.891.789.292.287.589.383.180.482.987.884.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp3262.02016.01781.70.02953.72495.72950.40.01526.4986.5786.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
Value1216171517154.21813142812-1.5521.8825.4557.553121010118.5058.225107.243117.26610119.9136.2667.4136.2031.143
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax285.7378.911.9399.8316.4251.73.4359.9348.4870.711.5-20.816.839.66.411.310.010.310.58.28.310.87.812.510.716.919.617.112.215.115.316.4

us-gaap:OperatingIncomeLoss dei:LegalEntity

qts:QualitytechLp


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1517154.21813142812-1.5521.8825.4557.553121010118.5058.225107.243117.26610119.9136.2667.4137.3467.0486.0245.568
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0118.40.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax399.8316.4251.73.4359.9348.4870.711.5-20.816.839.66.411.310.010.310.58.28.310.87.812.510.716.919.617.112.215.10.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp399.8316.4251.70.0359.9348.4870.70.0-20.816.839.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value54000.0-158000.0166000.064000.0-223000.0-426000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.2-3.64.41.1-3.6-11.3

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax dei:LegalEntity

qts:QualitytechLp


Other
Period End2020-09-302019-09-30
Value166000.0-426000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.4-11.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp4.4-11.3

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302016-12-312016-09-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-31
Value000159000.0-380000.0370000.0-40000.0-193000.01000.0-385000.00-83000.0-291000.0-470000.0-110000.0-153000.0
Percentage of OtherNonoperatingIncomeExpense0.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.02.6-0.39.8-1.0-0.20.0-0.40.0-0.1-0.5-0.8-0.2-0.4

us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity

qts:QualitytechLp


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302016-12-312016-09-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-30
Value00159000.0-380000.0370000.0-40000.0-193000.01000.0-385000.00-83000.0-291000.0-470000.0-110000.0
Percentage of OtherNonoperatingIncomeExpense0.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.02.6-0.39.8-1.0-0.20.0-0.40.0-0.1-0.5-0.8-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp0.00.02.60.09.8-1.00.00.00.00.00.00.00.00.0

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:PreferredStockDividendsIncomeStatementImpact


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.0457.0457.0457.0457.0457.0457.0457.0457.0457.0457.0457.0452.2480.328
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax159.6159.24.9187.6124.8113.45.7186.4168.1213.56.394.520.12.4

us-gaap:PreferredStockDividendsIncomeStatementImpact dei:LegalEntity

qts:QualitytechLp


Preferred
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.0457.0457.0457.0457.0457.0457.0457.0457.0452.2480.328
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax187.6124.8113.45.7186.4168.1213.56.394.520.12.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp187.6124.8113.40.0186.4168.1213.50.094.520.12.4

us-gaap:PreferredStockDividendsIncomeStatementImpact dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:SeriesAPreferredStock, us-gaap:CommonStock


Preferred
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.9061.9061.9061.9061.9061.9061.9071.9050.328
Percentage of PreferredStockDividendsIncomeStatementImpact27.127.127.127.127.127.127.184.7100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax50.733.830.750.445.557.825.617.02.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp us-gaap:LimitedPartner us-gaap:SeriesAPreferredStock us-gaap:CommonStock0.00.00.00.00.00.00.00.00.0

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:SeriesBPreferredStock, us-gaap:CommonStock


Preferred
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value5.1395.1395.1395.1395.1395.1395.1390.343
Percentage of PreferredStockDividendsIncomeStatementImpact72.972.972.972.972.972.972.915.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax136.891.182.7136.0122.6155.769.03.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp us-gaap:LimitedPartner us-gaap:SeriesBPreferredStock us-gaap:CommonStock0.00.00.00.00.00.00.00.0

us-gaap:PreferredStockDividendsIncomeStatementImpact dei:LegalEntity, us-gaap:StatementClassOfStock

qts:QualitytechLp, us-gaap:SeriesAPreferredStock


Preferred
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.9061.9061.9061.9061.9061.9061.9071.9050.328
Percentage of PreferredStockDividendsIncomeStatementImpact27.127.127.127.127.127.127.184.7100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax50.733.830.750.445.557.825.617.02.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp us-gaap:SeriesAPreferredStock0.00.00.00.00.00.00.00.00.0

qts:QualitytechLp, us-gaap:SeriesBPreferredStock


Preferred
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value5.1395.1395.1395.1395.1395.1395.1390.343
Percentage of PreferredStockDividendsIncomeStatementImpact72.972.972.972.972.972.972.915.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax136.891.182.7136.0122.6155.769.03.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp us-gaap:SeriesBPreferredStock0.00.00.00.00.00.00.00.0

us-gaap:PreferredStockDividendsIncomeStatementImpact us-gaap:StatementClassOfStock

us-gaap:SeriesAPreferredStock


Preferred
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.9061.9061.9061.9061.9061.9061.9061.9061.9071.9050.328
Percentage of PreferredStockDividendsIncomeStatementImpact27.127.127.127.127.127.127.127.127.184.7100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.243.150.733.830.750.445.557.825.617.02.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SeriesAPreferredStock0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesBPreferredStock


Preferred
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value5.1395.1395.1395.1395.1395.1395.1395.1395.1390.343
Percentage of PreferredStockDividendsIncomeStatementImpact72.972.972.972.972.972.972.972.972.915.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax116.5116.2136.891.182.7136.0122.6155.769.03.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SeriesBPreferredStock0.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStockDividendsIncomeStatementImpact us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:SeriesAPreferredStock, us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Preferred
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.9061.9061.9061.9061.9061.9061.9061.9061.9071.9050.328
Percentage of PreferredStockDividendsIncomeStatementImpact27.127.127.127.127.127.127.127.127.184.7100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.243.150.733.830.750.445.557.825.617.02.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SeriesAPreferredStock us-gaap:AccumulatedDistributionsInExcessOfNetIncome0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesAPreferredStock, us-gaap:Parent


Preferred
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.9061.9061.9061.9061.9061.9061.9061.9061.9071.9050.328
Percentage of PreferredStockDividendsIncomeStatementImpact27.127.127.127.127.127.127.127.127.184.7100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.243.150.733.830.750.445.557.825.617.02.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SeriesAPreferredStock us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesBPreferredStock, us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Preferred
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value5.1395.1395.1395.1395.1395.1395.1395.1395.1390.343
Percentage of PreferredStockDividendsIncomeStatementImpact72.972.972.972.972.972.972.972.972.915.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax116.5116.2136.891.182.7136.0122.6155.769.03.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SeriesBPreferredStock us-gaap:AccumulatedDistributionsInExcessOfNetIncome0.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesBPreferredStock, us-gaap:Parent


Preferred
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value5.1395.1395.1395.1395.1395.1395.1395.1395.1390.343
Percentage of PreferredStockDividendsIncomeStatementImpact72.972.972.972.972.972.972.972.972.915.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax116.5116.2136.891.182.7136.0122.6155.769.03.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SeriesBPreferredStock us-gaap:Parent0.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
Value4.1997.918-10.666.907108.12-3.6066.5887.535216.402-6.892-6.433-0.252-16.1137.3944.6085.5685.4816.5385.8076.8595.3348.2385.525.0375.8484.0063.9215.3284.0020.445
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.2179.0-7.4183.9180.9130.7-2.9174.3179.8640.85.7-92.5-57.5-1.8-13.66.54.35.35.26.35.97.25.89.38.18.29.86.97.610.99.96.4

us-gaap:ProfitLoss dei:LegalEntity

qts:QualitytechLp


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value6.907108.12-3.6066.5887.535216.402-6.892-6.433-0.252-16.1137.3944.6085.5685.4816.5385.8076.8595.3348.2385.525.0375.8484.0063.9215.328
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax183.9180.9130.7-2.9174.3179.8640.85.7-92.5-57.5-1.8-13.66.54.35.35.26.35.97.25.89.38.18.29.86.97.610.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp183.9180.9130.70.0174.3179.8640.80.0-92.5-57.5-1.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Profit
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6.907108.126.5887.53521-6.892-6.433-0.252
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax183.9180.9130.7174.3179.8640.8-92.5-57.5-1.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp us-gaap:LimitedPartner us-gaap:CommonStock0.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-31
Value4.457.8396.9259.8928.016.6377.483196.476-5.282-5.431-0.223-14.1426.5074.044.8774.8065.735.15.8894.6037.0094.6324.0823.154
Percentage of ProfitLoss106.099.0100.396.998.6100.799.392.5101.276.684.488.587.888.087.787.687.787.687.885.986.385.183.981.078.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.8177.2184.4175.3129.0175.6178.6592.75.8-70.9-48.5-1.6-11.95.73.74.64.65.55.26.25.07.96.86.67.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDistributionsInExcessOfNetIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-31
Value-0.2510.079-0.0180.3170.11-0.0490.0521.59-0.074-1.61-1.002-0.029-1.9710.8870.5680.6910.6750.8080.7070.970.7311.2290.8880.9550.848
Percentage of ProfitLoss-6.01.0-0.33.11.4-0.70.77.5-1.223.415.611.512.212.012.312.412.312.412.214.113.714.916.119.021.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.71.8-0.55.61.8-1.31.248.2-0.1-21.6-9.0-0.2-1.70.80.50.70.60.80.71.00.81.41.31.62.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-31
Value4.457.8396.9259.8928.016.6377.483196.476-5.282-5.431-0.223-14.1426.5074.044.8774.8065.735.15.8894.6037.0094.6324.0823.154
Percentage of ProfitLoss106.099.0100.396.998.6100.799.392.5101.276.684.488.587.888.087.787.687.787.687.885.986.385.183.981.078.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.8177.2184.4175.3129.0175.6178.6592.75.8-70.9-48.5-1.6-11.95.73.74.64.65.55.26.25.07.96.86.67.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
Value4.4134.4241433.7565.6446.2111233.784.193.31127.453111311811310710510510398949288686159575148406.967
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax dei:LegalEntity

qts:QualitytechLp


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.7565.6446.2114.4253.784.193.34.4917.4531113
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.03.6100.0100.0100.04.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.03.6100.0100.0100.04.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty

qts:DevelopmentFees, srt:AffiliatedEntity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.60.30.00.00.40.50.20.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.66.80.00.07.18.10.22.64.86.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.66.80.00.07.18.10.22.64.86.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:DevelopmentFees srt:AffiliatedEntity100.0100.00.00.0100.0100.0100.0100.0100.0100.0

qts:ManagementFees, srt:AffiliatedEntity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.30.30.20.20.20.20.30.10.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.86.80.15.33.53.20.22.64.83.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.86.80.15.33.53.20.22.64.83.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:ManagementFees srt:AffiliatedEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
Value15514814313713112612312511911211211211211311811310710510510398949288686159575148406.967
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3517.33361.9100.03661.82332.42033.4100.03313.62844.13414.8100.01505.61003.3825.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues dei:LegalEntity

qts:QualitytechLp


Revenuesdei:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1371311261231251191121121121121131181131071051051039894928868615957514847464241
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0117.20.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3661.82332.42033.4100.03313.62844.13414.8100.01505.61003.3825.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp3661.82332.42033.42795.63313.62844.13414.82501.41505.61003.3825.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value43344085389836893527353332233123306630042861271826542542241522582206213020861986194617991757170516521185110610509908778312.224685
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity

qts:QualitytechLp


Assetsdei:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value368935273533322331233066300428612718265425422415225822062130208619861946179917571705165211851106831
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets qts:QualitytechLp100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

qts:JointVentureWithAlindaCapitalPartners


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-30
Value157145141141
Percentage of Assets3.63.63.63.8
Percentage of Assets3.63.63.63.8
Percentage of Assets qts:JointVentureWithAlindaCapitalPartners100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Assetsus-gaap:
Period End2020-12-312019-12-31
Value141127
Percentage of Assets3.64.0
Percentage of Assets3.64.0
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value20852295231320672040206917791649167315691565139112941462142412501244119211331021970108810379769176477266666004814312.223563
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.156.259.456.057.958.655.252.854.652.354.751.248.857.559.055.456.456.054.351.449.960.559.057.355.554.665.663.460.654.951.9100.082.2

us-gaap:Liabilities dei:LegalEntity

qts:QualitytechLp


Liabilitiesdei:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value2067204020691779164916731569156513911294146214241250124411921133102197010881037976917647726431
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets56.057.958.655.252.854.652.354.751.248.857.559.055.456.456.054.351.449.960.559.057.355.554.665.651.9
Percentage of Assets qts:QualitytechLp56.057.958.655.252.854.652.354.751.248.857.559.055.456.456.054.351.449.960.559.057.355.554.665.651.9

us-gaap:Liabilities us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

qts:JointVentureWithAlindaCapitalPartners


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-30
Value118929089
Percentage of Liabilities5.74.03.94.3
Percentage of Assets2.72.32.32.4
Percentage of Assets qts:JointVentureWithAlindaCapitalPartners75.063.263.763.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value43344085389836893527353332233123306630042861271826542542241522582206213020861986194617991757170516521185110610509908778312.224685
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity

qts:QualitytechLp


Liabilities
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value368935273533322331233066300428612718265425422415225822062130208619861946179917571705165211851106831
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets qts:QualitytechLp100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value2106167114761508138113581337136412871323119312201249967877892844822834845854610617624627444302302307311314121
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.640.937.940.939.238.541.543.742.044.141.744.947.138.036.339.538.338.640.042.543.933.935.236.638.037.527.428.831.035.537.917.8

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-142013-09-302012-12-31
Value281422211617115131018111352158.2439.27142189.5811129.7448.80410105.748105.0457.4897.9285.217.7260.0018.232
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.40.60.60.54.90.50.40.30.60.40.52.00.60.30.41.90.90.50.60.70.50.50.60.70.51.00.50.80.90.60.00.01.2

us-gaap:CashAndCashEquivalentsAtCarryingValue dei:LegalEntity

qts:QualitytechLp


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value211617115131018111352158.2439.27142189.5811129.7448.80410105.748105.0457.4897.9285.218.2327.342
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.60.54.90.50.40.30.60.40.52.00.60.30.41.90.90.50.60.70.50.50.60.70.51.00.50.80.90.61.20.0
Percentage of Assets qts:QualitytechLp0.60.54.90.50.40.30.60.40.52.00.60.30.41.90.90.50.60.70.50.50.60.70.51.00.00.00.00.60.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value281422211617115131018111352158.2439.271429.588.804
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.40.60.60.54.90.50.40.30.60.40.52.00.60.30.41.90.50.5

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents dei:LegalEntity

qts:QualitytechLp


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value211617115131018111352158.2439.271429.588.804
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.54.90.50.40.30.60.40.52.00.60.30.41.90.50.5
Percentage of Assets qts:QualitytechLp0.60.54.90.50.40.30.60.40.52.00.60.30.41.90.50.5

Land

us-gaap:Land

us-gaap:Land


Land
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value17516416516414913013012710710510510510588888686747473645757525248484848303024
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.04.04.24.54.23.74.14.13.53.53.73.94.03.53.73.83.93.53.63.73.33.23.23.13.24.14.44.64.93.53.73.6

us-gaap:Land dei:LegalEntity

qts:QualitytechLp


Landdei:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value164149130130127107105105105105888886867474736457575252484830
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.23.74.14.13.53.53.73.94.03.53.73.83.93.53.63.73.33.23.23.13.24.14.43.7
Percentage of Assets qts:QualitytechLp4.54.23.74.14.13.53.53.73.94.03.53.73.83.93.53.63.73.33.23.23.13.24.14.43.7

us-gaap:Land us-gaap:RealEstateProperties

us-gaap:WhollyOwnedProperties


Landus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value175164165164149130130127105747372635555515148484848303024
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.098.598.598.298.098.097.897.8100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.04.04.24.54.23.74.14.13.73.53.53.73.33.13.23.03.14.14.44.64.93.53.73.6
Percentage of Assets us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land us-gaap:StatementGeographical, us-gaap:RealEstateProperties

qts:AshburnVirginia, us-gaap:WhollyOwnedProperties


Landus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value261616161616163717171717
Percentage of Land15.410.010.010.011.112.612.629.116.116.416.416.4
Percentage of Assets0.60.40.40.40.50.50.51.20.60.60.60.6
Percentage of Assets qts:AshburnVirginia us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.0

qts:AtlantaGeorgia, us-gaap:WhollyOwnedProperties


Landus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value5555555544444420
Percentage of Land31.533.533.433.529.934.134.119.3
Percentage of Assets1.31.41.41.51.31.31.40.7
Percentage of Assets qts:AtlantaGeorgia us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.0

qts:EemshavenNetherlands, us-gaap:WhollyOwnedProperties


Landus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-30
Value5.2095.1535.3665.15
Percentage of Land3.03.13.23.1
Percentage of Assets0.10.10.10.1
Percentage of Assets qts:EemshavenNetherlands us-gaap:WhollyOwnedProperties0.00.00.00.0

qts:FortWorthTexas, us-gaap:WhollyOwnedProperties


Landus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9.0799.0799.0799.0799.0799.0799.0799.0799.0799.0789.0799.0789.079
Percentage of Land5.25.55.55.56.17.07.07.18.58.68.68.610.3
Percentage of Assets0.20.20.20.20.30.30.30.30.30.30.30.30.4
Percentage of Assets qts:FortWorthTexas us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:GroningenNetherlands, us-gaap:WhollyOwnedProperties


Landus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.8411.8211.8961.821.7441.7132.2131.6921.766
Percentage of Land1.01.11.11.11.21.31.71.31.6
Percentage of Assets0.00.00.00.00.00.00.10.10.1
Percentage of Assets qts:GroningenNetherlands us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.0

qts:IrvingTexas, us-gaap:WhollyOwnedProperties


Landus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value8.6068.6068.6068.6068.6068.6058.6068.6068.6068.6068.6068.6068.606
Percentage of Land4.95.25.25.25.86.66.66.78.08.28.28.29.8
Percentage of Assets0.20.20.20.20.20.20.30.30.30.30.30.30.4
Percentage of Assets qts:IrvingTexas us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:Other, us-gaap:WhollyOwnedProperties


Landus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.2132.2132.2132.2132.2132.2132.2132.2132.2122.2132.2132.2132.213
Percentage of Land1.31.31.31.31.51.71.71.72.12.12.12.12.5
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets qts:Other us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:PrincetonNewJersey, us-gaap:WhollyOwnedProperties


Landus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value20202020202020202020202020
Percentage of Land11.812.612.512.613.915.915.816.219.319.619.619.623.5
Percentage of Assets0.50.50.50.60.60.60.60.70.70.70.70.80.9
Percentage of Assets qts:PrincetonNewJersey us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

Construction In Progress Gross

us-gaap:ConstructionInProgressGross

us-gaap:ConstructionInProgressGross


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value12141119102895797687792084385680379073164963656742936336136532031634034535332026621417418318214687
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.027.426.426.027.724.828.627.027.926.827.626.924.525.023.519.016.516.917.516.116.318.919.720.719.422.419.416.618.520.817.712.8

us-gaap:ConstructionInProgressGross dei:LegalEntity

qts:QualitytechLp


Construction
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value957976877920843856803790731649636567429363361365320316340345353320266214146
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.027.724.828.627.027.926.827.626.924.525.023.519.016.516.917.516.116.318.919.720.719.422.419.417.7
Percentage of Assets qts:QualitytechLp26.027.724.828.627.027.926.827.626.924.525.023.519.016.516.917.516.116.318.919.720.719.422.419.417.7

us-gaap:ConstructionInProgressGross us-gaap:RealEstateProperties

us-gaap:AssetsLeasedToOthers


Construction
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value0.060.2254.092.110.4710.6669.334
Percentage of ConstructionInProgressGross0.00.00.40.20.10.11.2
Percentage of Assets0.00.00.10.10.00.00.3
Percentage of Assets us-gaap:AssetsLeasedToOthers0.00.00.00.00.00.00.0

us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value12141119102895797687792084379036135531130833133634530726521317318218214685
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.097.197.297.397.297.297.895.899.699.699.599.7100.0100.097.8
Percentage of Assets28.027.426.426.027.724.828.627.027.616.917.015.715.818.419.120.318.622.419.316.518.520.817.712.5
Percentage of Assets us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgressGross us-gaap:StatementGeographical, us-gaap:RealEstateProperties

qts:AshburnVirginia, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value20321918511911489189144168166184163106
Percentage of ConstructionInProgressGross16.819.618.112.511.710.220.617.219.720.723.422.318.8
Percentage of Assets4.75.44.83.23.22.55.94.65.55.56.56.04.4
Percentage of Assets qts:AshburnVirginia us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:AtlantaGeorgia, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value19718319121423514812888
Percentage of ConstructionInProgressGross16.216.418.622.424.216.914.011.2
Percentage of Assets4.54.54.95.86.74.24.03.1
Percentage of Assets qts:AtlantaGeorgia us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.0

qts:AtlantaSuwaneeGeorgia, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9.2027.6076.7184.5653.1175.3025.5592.8331.8342.9773.1884.5863.62
Percentage of ConstructionInProgressGross0.80.70.70.50.30.60.60.30.20.40.40.60.6
Percentage of Assets0.20.20.20.10.10.20.20.10.10.10.10.20.1
Percentage of Assets qts:AtlantaSuwaneeGeorgia us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:ChicagoIllinois, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value11013110491829886133129120133138135
Percentage of ConstructionInProgressGross9.111.710.19.68.511.29.415.815.115.116.818.923.9
Percentage of Assets2.53.22.72.52.32.82.74.34.24.04.75.15.6
Percentage of Assets qts:ChicagoIllinois us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:DullesVirginia, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4.4194.224.1485.3514.8525.7994.6884.2224.164.0183.8524.1453.565
Percentage of ConstructionInProgressGross0.40.40.40.60.50.70.50.50.50.50.50.60.6
Percentage of Assets0.10.10.10.10.10.20.10.10.10.10.10.20.1
Percentage of Assets qts:DullesVirginia us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:EemshavenNetherlands, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value484747405546373229
Percentage of ConstructionInProgressGross4.04.34.64.35.65.34.03.83.4
Percentage of Assets1.11.21.21.11.61.31.21.01.0
Percentage of Assets qts:EemshavenNetherlands us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.0

qts:FortWorthTexas, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value6.6253.351.0642.708153.41535263050433833
Percentage of ConstructionInProgressGross0.50.30.10.31.60.43.93.23.56.35.55.35.9
Percentage of Assets0.20.10.00.10.40.11.10.91.01.71.51.41.4
Percentage of Assets qts:FortWorthTexas us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:GroningenNetherlands, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value3.443.2493.733.5723.2663.0890.122.8822.634
Percentage of ConstructionInProgressGross0.30.30.40.40.30.40.00.30.3
Percentage of Assets0.10.10.10.10.10.10.00.10.1
Percentage of Assets qts:GroningenNetherlands us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.0

qts:HillsboroOregon, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value67727884789663555244393529
Percentage of ConstructionInProgressGross5.66.47.68.88.111.06.96.66.15.65.04.95.2
Percentage of Assets1.61.82.02.32.22.72.01.81.71.51.41.31.2
Percentage of Assets qts:HillsboroOregon us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:IrvingTexas, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value97899995110107981131081049910986
Percentage of ConstructionInProgressGross8.18.09.710.011.312.210.713.512.613.112.615.015.2
Percentage of Assets2.32.22.62.63.13.03.03.63.53.53.54.03.6
Percentage of Assets qts:IrvingTexas us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:ManassasVirginia, us-gaap:WhollyOwnedProperties


Construction
Period 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
Value1439067595858575858544577
Percentage of ConstructionInProgressGross11.88.16.56.26.06.76.37.06.86.75.710.6
Percentage of Assets3.32.21.71.61.71.71.81.91.91.81.62.9
Percentage of Assets qts:ManassasVirginia us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.0

qts:Other, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value754341120.7970.4980.122.8920.0460.1670.1130.2660.088
Percentage of ConstructionInProgressGross6.23.94.01.30.10.10.00.30.00.00.00.00.0
Percentage of Assets1.71.11.10.30.00.00.00.10.00.00.00.00.0
Percentage of Assets qts:Other us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:PhoenixArizona, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value49383733323331303030292927
Percentage of ConstructionInProgressGross4.03.43.73.53.43.83.53.63.53.73.74.04.8
Percentage of Assets1.10.91.00.90.90.91.01.01.01.01.01.11.1
Percentage of Assets qts:PhoenixArizona us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:PiscatawayNewJersey, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value55393034333836373634333637
Percentage of ConstructionInProgressGross4.63.63.03.63.44.43.94.54.24.24.25.06.7
Percentage of Assets1.31.00.80.90.91.11.11.21.21.11.21.31.6
Percentage of Assets qts:PiscatawayNewJersey us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:PrincetonNewJersey, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0470.0090.0050.0730.0760.0090.0390.4510.4230.4240.4310.4780.451
Percentage of ConstructionInProgressGross0.00.00.00.00.00.00.00.10.00.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets qts:PrincetonNewJersey us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:RichmondVirginia, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value133128120149143140139726968676761
Percentage of ConstructionInProgressGross11.011.511.715.614.716.115.28.68.18.58.69.210.9
Percentage of Assets3.13.23.14.04.14.04.32.32.32.32.42.52.6
Percentage of Assets qts:RichmondVirginia us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:SacramentoCalifornia, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0870.1250.0120.1930.2680.2630.1630.0520.090.0910.0920.110.058
Percentage of ConstructionInProgressGross0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets qts:SacramentoCalifornia us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:SantaClaraCalifornia, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value7.719169.3851.5110.4470.1851.2386.9563.6931.257.67.5836.989
Percentage of ConstructionInProgressGross0.61.50.90.20.00.00.10.80.40.21.01.01.2
Percentage of Assets0.20.40.20.00.00.00.00.20.10.00.30.30.3
Percentage of Assets qts:SantaClaraCalifornia us-gaap:WhollyOwnedProperties0.00.00.00.00.00.00.00.00.00.00.00.00.0

qts:VariesLocationsOperatingLeaseAssetsAndFinanceLeaseAssets, us-gaap:WhollyOwnedProperties


Construction
Period End2021-06-302020-12-31
Value0.4620.225
Percentage of ConstructionInProgressGross0.00.0
Percentage of Assets0.00.0
Percentage of Assets qts:VariesLocationsOperatingLeaseAssetsAndFinanceLeaseAssets us-gaap:WhollyOwnedProperties0.00.0

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value12252222273230303244
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.60.60.60.80.90.91.01.11.5

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures dei:LegalEntity

qts:QualitytechLp


Investments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value22273230303244
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.80.90.91.01.11.5
Percentage of Assets qts:QualitytechLp0.60.80.90.91.01.11.5

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value173173173173173173173173173173173173173173173173173173173173173171181174173
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.04.34.54.74.94.95.45.65.75.86.16.46.56.87.27.77.98.28.38.88.99.510.310.210.5

us-gaap:Goodwill dei:LegalEntity

qts:QualitytechLp


Goodwilldei:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value173173173173173173173173173173173173173173173173173173171181174173
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.94.95.45.65.75.86.16.46.56.87.27.77.98.28.38.88.99.510.310.210.5
Percentage of Assets qts:QualitytechLp4.74.94.95.45.65.75.86.16.46.56.87.27.77.98.28.38.88.99.510.310.210.5

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value626468717478818589929596100104109114119124129135142125115119122171818194.4135.3969.145
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.61.71.92.12.22.52.72.93.13.33.63.84.14.55.15.45.86.26.87.37.06.67.07.41.51.61.82.00.50.61.3

us-gaap:FiniteLivedIntangibleAssetsNet dei:LegalEntity

qts:QualitytechLp


Finite
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value71747881858992959610010410911411912412913514212511511912217185.396
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.12.22.52.72.93.13.33.63.84.14.55.15.45.86.26.87.37.06.67.07.41.51.60.6
Percentage of Assets qts:QualitytechLp1.92.12.22.52.72.93.13.33.63.84.14.55.15.45.86.26.87.37.06.67.07.41.51.60.6

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:SolarPowerAgreement


Finite
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value8.4919.2999.5019.8399.9061010101010111111
Percentage of FiniteLivedIntangibleAssetsNet12.511.411.111.010.810.610.710.510.210.09.79.59.0
Percentage of Assets0.20.30.30.30.30.40.40.40.40.50.50.50.6
Percentage of Assets qts:SolarPowerAgreement0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value5159616365676971737577798183
Percentage of FiniteLivedIntangibleAssetsNet75.472.671.970.970.970.471.771.169.868.767.566.465.364.2
Percentage of Assets1.31.82.02.12.22.32.52.72.93.13.43.63.84.0
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeasesAcquiredInPlace


Finite
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value8.00112131413141516171920213436
Percentage of FiniteLivedIntangibleAssetsNet11.814.815.516.514.515.116.016.617.017.417.818.328.028.2
Percentage of Assets0.20.40.40.50.40.50.60.60.70.80.91.01.61.8
Percentage of Assets us-gaap:LeasesAcquiredInPlace0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value59717477788184879296100105121
Percentage of FiniteLivedIntangibleAssetsNet87.287.487.487.485.485.587.787.787.887.988.088.197.4
Percentage of Assets1.52.22.42.52.62.93.13.33.64.04.54.85.7
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value4849515254555758596162
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.21.31.41.51.61.81.92.02.00.0

us-gaap:OperatingLeaseRightOfUseAsset dei:LegalEntity

qts:QualitytechLp


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value52545557585961
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.51.61.81.92.02.0
Percentage of Assets qts:QualitytechLp1.41.51.61.81.92.02.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:PropertyPlantAndEquipmentByType

qts:FinanceLeasedBuildingsImprovementsAndEquipment


Operating
Period End2020-12-312019-12-31
Value5157
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets1.31.8
Percentage of Assets qts:FinanceLeasedBuildingsImprovementsAndEquipment0.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value534848494849495757555664686466635943393736353329292424251920177.976
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.21.21.31.41.41.51.81.91.82.02.42.62.62.72.82.72.11.91.91.92.01.91.71.82.02.22.52.02.32.11.2

us-gaap:OtherAssets dei:LegalEntity

qts:QualitytechLp


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value49484949575755566468646663594339373635332929242417
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.41.51.81.91.82.02.42.62.62.72.82.72.11.91.91.92.01.91.71.82.02.22.1
Percentage of Assets qts:QualitytechLp1.31.41.41.51.81.91.82.02.42.62.62.72.82.72.11.91.91.92.01.91.71.82.02.22.1

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value1545181118421624
Percentage of LongTermDebt100.0100.0100.0100.0
Percentage of Assets35.644.447.344.0

us-gaap:LongTermDebt us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Long
Period End2020-12-312019-12-31
Value9068
Percentage of LongTermDebt4.90.0
Percentage of Assets2.32.1
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees63.753.4

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1884166716531675146313711403128313561187110612461241110910821043977873839956871820754637
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.345.246.947.445.443.945.842.747.443.741.749.051.449.149.049.046.944.043.153.249.648.145.657.6

us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument

qts:FinanceLeases


Debt
Period End2021-06-302021-03-312020-12-31
Value424241
Percentage of DebtAndCapitalLeaseObligations0.00.02.2
Percentage of Assets1.01.01.1
Percentage of Assets qts:FinanceLeases0.00.00.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value0.9480.8260.810.6370.510.4790.7491.5631.2941.2081.0971.2122.0682.1094.6119.814121518
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.10.00.00.00.00.10.10.20.40.60.71.1

us-gaap:DeferredIncomeTaxLiabilitiesNet dei:LegalEntity

qts:QualitytechLp


Deferred
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value0.6370.510.4790.7491.5631.2941.2081.0971.2122.0682.1094.6111518
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.10.00.00.00.00.10.10.20.71.1
Percentage of Assets qts:QualitytechLp0.00.00.00.00.10.00.00.00.00.10.10.20.71.1

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value141118108113105105106109105110102106109112113115117116118119120100101104107937781828384
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.32.92.83.13.03.03.33.53.53.73.63.94.14.44.75.15.35.45.76.06.25.65.86.16.57.97.07.78.49.510.2

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value10
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
Value10
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
Value8317000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value8036000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value40
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets1.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value5456585961626465676970
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.51.61.71.82.02.12.22.30.0

us-gaap:OperatingLeaseLiability dei:LegalEntity

qts:QualitytechLp


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value59616264656769
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.71.82.02.12.22.3
Percentage of Assets qts:QualitytechLp1.61.71.82.02.12.22.3

us-gaap:OperatingLeaseLiability us-gaap:PropertyPlantAndEquipmentByType

qts:FinanceLeasedBuildingsImprovementsAndEquipment


Operating
Period End2020-12-312019-12-31
Value5864
Percentage of OperatingLeaseLiability100.0100.0
Percentage of Assets1.52.0
Percentage of Assets qts:FinanceLeasedBuildingsImprovementsAndEquipment0.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value87
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets2.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value29
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.8

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value2106167114761508138113581337136412871323119312201249967877892844822834845854610617624627444302302307311314121
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.640.937.940.939.238.541.543.742.044.141.744.947.138.036.339.538.338.640.042.543.933.935.236.638.037.527.428.831.035.537.917.8

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value224817891584162114861463144414731393143412961327135910809901008962938952964975710719728734538380383389395399121
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.943.840.644.042.141.444.847.245.447.745.348.851.242.541.044.643.644.045.748.650.139.541.042.744.545.434.436.639.445.148.117.8

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity

qts:QualitytechLp


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value16211486146314441473139314341296132713591080990952719
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.042.141.444.847.245.447.745.348.851.242.541.045.741.0
Percentage of Assets qts:QualitytechLp44.042.141.444.847.245.447.745.348.851.242.541.045.741.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1276114711201064109810121034886908942969989
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest78.777.276.673.774.572.672.168.468.469.389.899.9
Percentage of Assets34.632.531.733.035.233.034.431.033.435.538.141.0
Percentage of Assets qts:QualitytechLp us-gaap:LimitedPartner us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.0

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:PreferredStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value407407407407407407407407407407103
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest25.127.427.828.227.629.228.431.430.730.09.6
Percentage of Assets11.011.511.512.613.013.313.614.215.015.44.1
Percentage of Assets qts:QualitytechLp us-gaap:LimitedPartner us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-62.314-67.98-64.403-27.465-32.274-26.115-7.5092.344119.9947.4311.449
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-3.8-4.6-4.4-1.9-2.2-1.9-0.50.20.90.70.70.1
Percentage of Assets-1.7-1.9-1.8-0.9-1.0-0.9-0.20.10.40.40.30.1
Percentage of Assets qts:QualitytechLp us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value-574.756-536.031-504.313-457.993-428.972-403.43-376.002-340.943-316.158-292.219-278.548-257.019-223.724-195.074-173.552-139.74-126.574-111.653-97.793-85.378-73.883-61.754-52.732-44.142-38.014-29.563-22.503-18.599-3.799
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-25.6-30.0-31.8-28.2-28.8-27.6-26.0-23.1-22.7-20.4-21.5-19.4-16.5-18.1-17.5-13.9-13.2-11.9-10.3-8.8-7.6-8.7-7.3-6.1-5.2-5.5-5.9-4.8-1.0
Percentage of Assets-13.3-13.1-12.9-12.4-12.2-11.4-11.7-10.9-10.3-9.7-9.7-9.5-8.4-7.7-7.2-6.2-5.7-5.2-4.7-4.3-3.8-3.4-3.0-2.6-2.3-2.5-2.0-1.8-0.5
Percentage of Assets us-gaap:AccumulatedDistributionsInExcessOfNetIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302014-06-302014-03-312013-12-31
Value-31.638-35.181-50.451-56.48-61.322-57.998-24.642-28.9-23.31-6.7022.073108.846.5731.283-1.565-1.316-0.124-0.252-0.357
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-1.4-2.0-3.2-3.5-4.1-4.0-1.7-2.0-1.7-0.50.20.80.70.60.1-0.2-0.1-0.0-0.1-0.1
Percentage of Assets-0.7-0.9-1.3-1.5-1.7-1.6-0.8-0.9-0.8-0.20.10.40.30.30.1-0.1-0.1-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2305183416221614146314121330132612191214106210591056105210491032972933931930928671670668664474324321320319318
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest102.5102.5102.499.598.496.592.190.087.584.781.979.977.797.4105.9102.5101.099.597.896.495.194.593.191.790.588.185.583.782.280.979.8
Percentage of Assets53.244.941.643.841.540.041.342.539.740.437.139.039.841.443.445.744.143.844.746.847.737.338.139.240.240.029.430.632.336.438.4
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.770.690.6460.6440.6140.6040.5820.5820.5540.5540.5110.5110.5110.5110.5070.5040.4880.4810.4780.4790.4780.4140.4120.4120.4090.3480.2940.290.290.290.289
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.10.10.10.00.00.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value141118108113105105106109105110102106109112113115117116118119120100101104107937781828384
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest6.36.66.87.07.17.27.47.47.67.77.98.08.110.411.411.512.212.412.412.412.414.114.214.314.617.320.421.121.221.221.2
Percentage of Assets3.32.92.83.13.03.03.33.53.53.73.63.94.14.44.75.15.35.45.76.06.25.65.86.16.57.97.07.78.49.510.2
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2106167114761508138113581337136412871323119312201249967877892844822834845854610617624627444302302307311314
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest93.793.493.293.092.992.892.692.692.492.392.192.091.989.688.688.587.887.687.687.687.685.985.885.785.482.779.678.978.878.878.8
Percentage of Assets48.640.937.940.939.238.541.543.742.044.141.744.947.138.036.339.538.338.640.042.543.933.935.236.638.037.527.428.831.035.537.9
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value407407407407407407407407407407407407407103
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest18.122.825.725.127.427.828.227.629.228.431.430.730.09.6
Percentage of Assets9.410.010.511.011.511.512.613.013.313.614.215.015.44.1
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-07-02
Value0.770.690.6460.6440.6140.6040.5820.5110.5110.5110.5070.5040.4880.4810.4780.4790.4780.4140.4120.4120.4090.3480.2940.290.290.290.2890.0010.001
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue dei:LegalEntity, us-gaap:CapitalUnitsByClass

qts:QualitytechLp, qts:CommonUnits


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1276114711201064109810121034886908942969989
Percentage of CommonStockValue198247.7186886.2185540.4182900.50.00.00.0173555.0177754.8184398.80.0195109.9
Percentage of Assets34.632.531.733.035.233.034.431.033.435.538.141.0
Percentage of Assets qts:QualitytechLp qts:CommonUnits0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:CapitalUnitsByClass

qts:CommonUnits


Common
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value0.6460.5820.5820.5540.5540.5110.5110.507
Percentage of CommonStockValue100.0100.00.00.00.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets qts:CommonUnits0.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2305183416221614146314121330132612191214106210591056105210491032972933931930928671670668664474324321320319318
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.244.941.643.841.540.041.342.539.740.437.139.039.841.443.445.744.143.844.746.847.737.338.139.240.240.029.430.632.336.438.4

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302014-06-302014-03-312013-12-31
Value-31.638-35.181-50.451-56.48-61.322-57.998-24.642-28.9-23.31-6.7022.073108.846.5731.283-1.565-1.316-0.124-0.252-0.357
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.7-0.9-1.3-1.5-1.7-1.6-0.8-0.9-0.8-0.20.10.40.30.30.1-0.1-0.1-0.0-0.0-0.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax dei:LegalEntity

qts:QualitytechLp


Accumulated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-62.314-67.98-64.403-27.465-32.274-26.115-7.5092.344119.9947.4311.449-1.785-1.499
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax110.3110.9111.0111.5111.7112.0112.0113.1113.1113.1113.1112.9114.1113.9
Percentage of Assets-1.7-1.9-1.8-0.9-1.0-0.9-0.20.10.40.40.30.1-0.1-0.1
Percentage of Assets qts:QualitytechLp-1.7-1.9-1.8-0.9-1.0-0.9-0.20.10.40.40.30.1-0.1-0.1

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value141118108113105105106109105110102106109112113115117116118119120100101104107937781828384
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.32.92.83.13.03.03.33.53.53.73.63.94.14.44.75.15.35.45.76.06.25.65.86.16.57.97.07.78.49.510.2

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-31
Value7.3116.8568.2476.0814.8754.4574.2963.33.5313.9615.714.8983.3563.6933.7323.0822.6972.6373.22.051.7580.578
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue dei:LegalEntity

qts:QualitytechLp


Adjustments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value8.2476.0814.8754.4574.2963.33.5313.9615.714.8983.3563.6933.7323.0822.6972.6373.22.051.758
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets qts:QualitytechLp0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Adjustments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value8.2476.0814.8754.4574.2963.33.9615.714.898
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.0
Percentage of Assets qts:QualitytechLp us-gaap:LimitedPartner us-gaap:CommonStock0.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-31
Value6.6956.2377.4435.4774.3773.9793.8322.9283.1233.5035.0514.3372.9723.2533.2712.72.3632.3112.7951.761.5110.578
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue91.691.090.390.189.889.389.288.788.488.488.588.588.688.187.687.687.687.687.385.985.9100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-03-312015-12-31
Value0.6160.6190.8040.6040.4980.4780.4640.3720.4080.4580.6590.5610.3840.440.290.247
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue8.49.09.79.910.210.710.811.311.611.611.511.511.411.914.114.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-31
Value6.6956.2377.4435.4774.3773.9793.8322.9283.1233.5035.0514.3372.9723.2533.2712.72.3632.3112.7951.761.5110.578
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue91.691.090.390.189.889.389.288.788.488.488.588.588.688.187.687.687.687.687.385.985.9100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3.223.2353.1293.1343.1332.9322.9322.9352.7352.7352.7362.7362.5522.5572.6452.6452.4422.432.6472.3562.1862.2122.2392.242.2642.7671.9342.4872.012
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3.223.2353.1293.1343.1332.9322.9322.9352.7352.7352.7362.7362.5522.5572.6452.6452.4422.432.6472.3562.1862.2122.2392.242.2642.7671.9342.4872.012
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-12-31
Value886079866271504955444554395150424630503429
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2000.51358.455.32309.71103.91144.140.61317.51318.91338.440.2732.3357.2374.442.137.743.428.847.733.873.2

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

qts:QualitytechLp


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value8662715049554445543951504246305034
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2309.71103.91144.140.61317.51318.91338.440.2732.3357.2374.442.137.743.428.847.733.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp2309.71103.91144.11135.81317.51318.91338.41005.7732.3357.2374.40.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-12-31
Value-253960000.0-214680000.0-230580000.0-207720000.0-206440000.0-173020000.0-99748000.0-90597000.0-148400000.0-48512000.0-180870000.0-145700000.0-143420000.0-128560000.0-150370000.0-139150000.0-78718000.0-66119000.0-132240000.0-48448000.0-47963000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5754.9-4852.6-160.2-5530.2-3657.6-2785.6-80.6-2396.7-3541.8-1470.1-161.0-1954.9-1281.6-933.7-126.5-122.3-73.0-62.4-125.4-46.8-118.5

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity

qts:QualitytechLp


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-207720000.0-206440000.0-173020000.0-99748000.0-90597000.0-148400000.0-48512000.0-180870000.0-145700000.0-143420000.0-128560000.0-150370000.0-139150000.0-78718000.0-66119000.0-132240000.0-48448000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5530.2-3657.6-2785.6-80.6-2396.7-3541.8-1470.1-161.0-1954.9-1281.6-933.7-126.5-122.3-73.0-62.4-125.4-46.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp-5530.2-3657.6-2785.6-2254.2-2396.7-3541.8-1470.1-4027.4-1954.9-1281.6-933.70.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-12-31
Value179148149125-11.99525852428511133521398499625644791215
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4077.53352.8104.03330.8-212.54161.142.31130.32030.8341.3118.9704.81251.0615.183.555.352.141.875.612.039.1

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

qts:QualitytechLp


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value125-11.995258524285111335213984996256447912
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3330.8-212.54161.142.31130.32030.8341.3118.9704.81251.0615.183.555.352.141.875.612.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp3330.8-212.54161.11182.31130.32030.8341.32974.5704.81251.0615.10.00.00.00.00.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value13-8.1230.7775.524-155.4831562.1352.881-8.0416.919-2.12-38.589367.678-1.028-33.333
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax304.0-183.60.5147.1-2754.82516.61.776.2-191.9209.7-1.9-517.8326.655.8-0.9-29.3

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity

qts:QualitytechLp


Cash
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
Value5.524-155.4831562.1352.881-8.0416.919-2.12-38.589367.678-1.028-33.333
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax147.1-2754.82516.61.776.2-191.9209.7-1.9-517.8326.655.8-0.9-29.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp147.1-2754.82516.648.276.2-191.9209.7-47.2-517.8326.655.80.00.0

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1129000.01130000.01085000.01000000.0991000.0987000.0942000.01000000.01000000.0978000.0974000.01000000.01000000.0962000.0903000.0900000.0900000.0872000.0861000.0798000.0813000.0813000.0809000.0787000.0794000.0791000.0779000.0580000.0732000.0582000.0496000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCosts dei:LegalEntity

qts:QualitytechLp


Amortization
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value990000.0991000.0987000.0942000.0978000.0979000.0978000.0974000.0959000.0961000.0962000.0903000.0922000.0943000.0872000.0861000.0798000.0813000.0813000.0809000.0787000.0794000.0791000.0779000.0580000.0732000.0582000.0
Percentage of AmortizationOfFinancingCosts99.0100.0100.0100.097.897.9100.0100.095.996.1100.0100.0102.4104.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value56535449454343403937363636343634333332313323262318151514131210
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization dei:LegalEntity

qts:QualitytechLp


Depreciation
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value494543434039373636363436343333323133232623181515141312
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-12-31
Value886079866271504955444554395150424630503429
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2000.51358.455.32309.71103.91144.140.61317.51318.91338.440.2732.3357.2374.442.137.743.428.847.733.873.2

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

qts:QualitytechLp


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value8662715049554445543951504246305034
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2309.71103.91144.140.61317.51318.91338.440.2732.3357.2374.442.137.743.428.847.733.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp2309.71103.91144.11135.81317.51318.91338.41005.7732.3357.2374.40.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
Value4.457.839-8.9226.9259.8928.01-2.5116.6377.483196.476-5.282-5.431-0.223-14.1426.5074.044.8774.8065.735.15.8894.6037.0094.6324.0824.6273.1573.094.1983.1540.445
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.8177.2-6.2184.4175.3129.0-2.0175.6178.6592.75.8-70.9-48.5-1.6-11.95.73.74.64.65.55.26.25.07.96.86.67.85.46.08.67.86.4

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-10-14
Value4.1997.918-10.666.907108.12-3.6066.5887.535216.402-6.892-6.433-0.252-16.1137.3944.6085.5685.4816.5385.8076.8595.3348.2385.525.0375.8484.0063.9215.3284.0020.445
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.2179.0-7.4183.9180.9130.7-2.9174.3179.8640.85.7-92.5-57.5-1.8-13.66.54.35.35.26.35.97.25.89.38.18.29.86.97.610.99.96.4

us-gaap:ProfitLoss dei:LegalEntity

qts:QualitytechLp


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value6.907108.12-3.6066.5887.535216.402-6.892-6.433-0.252-16.1137.3944.6085.5685.4816.5385.8076.8595.3348.2385.525.0375.8484.0063.9215.328
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax183.9180.9130.7-2.9174.3179.8640.85.7-92.5-57.5-1.8-13.66.54.35.35.26.35.97.25.89.38.18.29.86.97.610.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp183.9180.9130.7-81.5174.3179.8640.8142.6-92.5-57.5-1.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Profit
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6.907108.126.5887.53521-6.892-6.433-0.252
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax183.9180.9130.7174.3179.8640.8-92.5-57.5-1.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp us-gaap:LimitedPartner us-gaap:CommonStock0.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-31
Value4.457.8396.9259.8928.016.6377.483196.476-5.282-5.431-0.223-14.1426.5074.044.8774.8065.735.15.8894.6037.0094.6324.0823.154
Percentage of ProfitLoss106.099.0100.396.998.6100.799.392.5101.276.684.488.587.888.087.787.687.787.687.885.986.385.183.981.078.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.8177.2184.4175.3129.0175.6178.6592.75.8-70.9-48.5-1.6-11.95.73.74.64.65.55.26.25.07.96.86.67.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDistributionsInExcessOfNetIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-31
Value-0.2510.079-0.0180.3170.11-0.0490.0521.59-0.074-1.61-1.002-0.029-1.9710.8870.5680.6910.6750.8080.7070.970.7311.2290.8880.9550.848
Percentage of ProfitLoss-6.01.0-0.33.11.4-0.70.77.5-1.223.415.611.512.212.012.312.412.312.412.214.113.714.916.119.021.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.71.8-0.55.61.8-1.31.248.2-0.1-21.6-9.0-0.2-1.70.80.50.70.60.80.71.00.81.41.31.62.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-31
Value4.457.8396.9259.8928.016.6377.483196.476-5.282-5.431-0.223-14.1426.5074.044.8774.8065.735.15.8894.6037.0094.6324.0823.154
Percentage of ProfitLoss106.099.0100.396.998.6100.799.392.5101.276.684.488.587.888.087.787.687.787.687.885.986.385.183.981.078.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.8177.2184.4175.3129.0175.6178.6592.75.8-70.9-48.5-1.6-11.95.73.74.64.65.55.26.25.07.96.86.67.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value7.3116.8567.7778.2476.0814.8754.364.4564.2963.33.5313.9613.9993.4813.3563.6923.7333.0822.6972.6373.22.051.7582.0681.8311.3071.2520.9251.0650.9110.578
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation dei:LegalEntity

qts:QualitytechLp


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value8.2476.0814.8754.364.4564.2963.33.5313.9613.9993.4813.3563.6923.7333.0822.6972.6373.22.051.7582.0681.8311.3071.2520.9251.0650.911
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-12-31
Value-253960000.0-214680000.0-230580000.0-207720000.0-206440000.0-173020000.0-99748000.0-90597000.0-148400000.0-48512000.0-180870000.0-145700000.0-143420000.0-128560000.0-150370000.0-139150000.0-78718000.0-66119000.0-132240000.0-48448000.0-47963000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5754.9-4852.6-160.2-5530.2-3657.6-2785.6-80.6-2396.7-3541.8-1470.1-161.0-1954.9-1281.6-933.7-126.5-122.3-73.0-62.4-125.4-46.8-118.5

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity

qts:QualitytechLp


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-207720000.0-206440000.0-173020000.0-99748000.0-90597000.0-148400000.0-48512000.0-180870000.0-145700000.0-143420000.0-128560000.0-150370000.0-139150000.0-78718000.0-66119000.0-132240000.0-48448000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5530.2-3657.6-2785.6-80.6-2396.7-3541.8-1470.1-161.0-1954.9-1281.6-933.7-126.5-122.3-73.0-62.4-125.4-46.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp-5530.2-3657.6-2785.6-2254.2-2396.7-3541.8-1470.1-4027.4-1954.9-1281.6-933.70.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-12-31
Value179148149125-11.99525852428511133521398499625644791215
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4077.53352.8104.03330.8-212.54161.142.31130.32030.8341.3118.9704.81251.0615.183.555.352.141.875.612.039.1

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

qts:QualitytechLp


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value125-11.995258524285111335213984996256447912
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3330.8-212.54161.142.31130.32030.8341.3118.9704.81251.0615.183.555.352.141.875.612.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax qts:QualitytechLp3330.8-212.54161.11182.31130.32030.8341.32974.5704.81251.0615.10.00.00.00.00.00.0

Payments Of Dividends

us-gaap:PaymentsOfDividends dei:LegalEntity

us-gaap:PaymentsOfDividends

qts:QualitytechLp


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value282825242424202020201919181817171714131313118.5318.4158.4158.4156.953
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value32302828282524242420202020191918
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Dividends

us-gaap:Dividends

us-gaap:Dividends


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3632282828242424202020201919181817171714131313118.5318.4158.4158.4156.953
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Dividends dei:LegalEntity

qts:QualitytechLp


Dividendsdei:
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value28282824242420202020191918181717171413131311
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Dividends dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Dividendsdei:
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value282828242424202020
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Dividends us-gaap:StatementEquityComponents

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Dividendsus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3632282828242424202020201919181817171714131313118.5316.953
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Dividendsus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3632282828242424202020201919181817171714131313118.5318.4158.4158.4156.953
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations dei:LegalEntity

us-gaap:EffectiveIncomeTaxRateContinuingOperations

qts:TaxableReitSubsidiaries


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-8.4-7.8-5.712-12.98813.0-8.434-0.003-0.063
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312013-12-31
Value100000.0100000.0100000.0100000.0200000.0367910.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

qts:RestrictedClassCommonStock


Share
Period End2020-12-312019-12-31
Value100000.0600000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.00.0

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

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption, qts:TwoThousandThirteenEquityIncentivePlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value39.5539.5538.5538.538.1737.1137.1137.1537.3436.8636.8236.8236.8138.1838.1737.7437.5431.7231.7231.7131.5927.827.7222.87
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value0.810.7491.0974.6111518
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value26248.3610.7130.3930.3933.3951.3651.8710.144
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:AccruedEquityIssuancesCosts

qts:AccruedEquityIssuancesCosts


Accrued
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-06-302016-03-312013-12-31
Value75000.0-357000.0361000.044000.0-167000.0-188000.0-533000.0918000.0-24000.0-638000.0345000.0432000.0-1000.03000.07000.0364000.0
Percentage of AccruedEquityIssuancesCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:AccruedEquityIssuancesCosts dei:LegalEntity

qts:QualitytechLp


Accrued
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-06-302016-03-31
Value-357000.0361000.044000.0-167000.0-188000.0-533000.0918000.0-24000.0-638000.0345000.0432000.0-1000.03000.07000.0
Percentage of AccruedEquityIssuancesCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:AccruedPreferredStockDividend

qts:AccruedPreferredStockDividend


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value05938000.00005938000.00005938000.0-1142000.04504000.02248000.0328000.0
Percentage of AccruedPreferredStockDividend0.0100.00.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0

qts:AccruedPreferredStockDividend dei:LegalEntity

qts:QualitytechLp


Accrued
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value005938000.00005938000.0-1142000.04504000.02248000.0328000.0
Percentage of AccruedPreferredStockDividend0.00.0100.00.00.00.0100.0100.0100.0100.0100.0

qts:AmortizationOfIndirectLeasingCosts

qts:AmortizationOfIndirectLeasingCosts


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value6.86.86.36.26.56.75.75.45.65.5
Percentage of AmortizationOfIndirectLeasingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:BusinessAssetCombinationDispositionIntegrationAndImpairmentRelatedCosts

qts:BusinessAssetCombinationDispositionIntegrationAndImpairmentRelatedCosts


Business
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value8391000.01516000.01078000.0381000.0216000.0827000.0
Percentage of BusinessAssetCombinationDispositionIntegrationAndImpairmentRelatedCosts100.0100.0100.0100.0100.0100.0

qts:BusinessAssetCombinationDispositionIntegrationAndImpairmentRelatedCosts dei:LegalEntity

qts:QualitytechLp


Business
Period End2020-09-302019-09-30
Value1078000.0827000.0
Percentage of BusinessAssetCombinationDispositionIntegrationAndImpairmentRelatedCosts100.0100.0

qts:ConversionOfClassAPartnershipUnitsToClassACommonStock us-gaap:StatementEquityComponents

qts:ConversionOfClassAPartnershipUnitsToClassACommonStock

us-gaap:AdditionalPaidInCapital


Conversion
Period End2021-06-302021-03-31
Value629000.02040000.0
Percentage of ConversionOfClassAPartnershipUnitsToClassACommonStock100.0100.0

us-gaap:CommonStock


Conversion
Period End2021-03-31
Value1000.0
Percentage of ConversionOfClassAPartnershipUnitsToClassACommonStock0.0

us-gaap:NoncontrollingInterest


Conversion
Period End2021-06-302021-03-31
Value-629000.0-2041000.0
Percentage of ConversionOfClassAPartnershipUnitsToClassACommonStock-100.0-100.0

us-gaap:Parent


Conversion
Period End2021-06-302021-03-31
Value629000.02041000.0
Percentage of ConversionOfClassAPartnershipUnitsToClassACommonStock100.0100.0

qts:ConversionOfClassAPartnershipUnitsToClassACommonStockShares us-gaap:StatementEquityComponents

qts:ConversionOfClassAPartnershipUnitsToClassACommonStockShares

us-gaap:CommonStock


Conversion
Period End2021-06-302021-03-31
Value26000.092000.0
Percentage of ConversionOfClassAPartnershipUnitsToClassACommonStockShares100.0100.0

qts:ConversionOfStockConversionRate us-gaap:StatementClassOfStock

qts:ConversionOfStockConversionRate

qts:SeriesBConvertiblePreferredStock


Conversion
Period End2020-12-31
Value0.0022
Percentage of ConversionOfStockConversionRate100.0

us-gaap:SeriesBPreferredStock


Conversion
Period End2021-06-302021-03-31
Value0.00262.1436
Percentage of ConversionOfStockConversionRate0.00.0

qts:FairValuePerShareOfFundsFromOperationsAndRestrictedStockUnitsGranted us-gaap:Range

qts:FairValuePerShareOfFundsFromOperationsAndRestrictedStockUnitsGranted

srt:Maximum


Fair
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value3.0361.178.68057.28
Percentage of FairValuePerShareOfFundsFromOperationsAndRestrictedStockUnitsGranted100.0100.0100.00.0100.0

srt:Minimum


Fair
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value059.060056.84
Percentage of FairValuePerShareOfFundsFromOperationsAndRestrictedStockUnitsGranted0.096.60.00.099.2

qts:FairValuePerShareOfTotalShareholdersReturnAwardsGranted

qts:FairValuePerShareOfTotalShareholdersReturnAwardsGranted


Fair
Period End2021-06-302021-03-312020-12-31
Value064.720
Percentage of FairValuePerShareOfTotalShareholdersReturnAwardsGranted0.0100.00.0

qts:ForwardSharesSettledNumberOfShares

qts:ForwardSharesSettledNumberOfShares


Forward
Period End2021-03-312020-09-30
Value3865000.02948000.0
Percentage of ForwardSharesSettledNumberOfShares100.0100.0

qts:IncreaseDecreaseInUtilitiesOperatingExpense

qts:IncreaseDecreaseInUtilitiesOperatingExpense


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value200000.0-100000.0400000.0400000.0
Percentage of IncreaseDecreaseInUtilitiesOperatingExpense100.0100.0100.0100.0

qts:NetShareActivityThroughEquityAwardPlan

qts:NetShareActivityThroughEquityAwardPlan


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1078000.059000.01397000.0-1360000.0-1458000.0260000.0179000.0741000.0-654000.0-272000.0-624000.0-238000.0-612000.0-334000.0172000.01796000.0
Percentage of NetShareActivityThroughEquityAwardPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:NetShareActivityThroughEquityAwardPlan dei:LegalEntity

qts:QualitytechLp


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1397000.0-1360000.0-1458000.0260000.0179000.0741000.0-654000.0-272000.0-624000.0-238000.0-612000.0-334000.0172000.01796000.0
Percentage of NetShareActivityThroughEquityAwardPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:NetShareActivityThroughEquityAwardPlan dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1397000.0-1360000.0-1458000.0260000.0179000.0741000.0-272000.0-624000.0-238000.0
Percentage of NetShareActivityThroughEquityAwardPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:NetShareActivityThroughEquityAwardPlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-986000.050000.01260000.0-1225000.0-1312000.0239000.0505000.0660000.0-564000.0-256000.0-586000.0-1311000.0-535000.0-299000.0643000.01084000.0
Percentage of NetShareActivityThroughEquityAwardPlan91.584.790.290.190.091.9282.189.186.294.193.9550.887.489.5373.860.4

us-gaap:CommonStock


Net
Period End2021-06-302021-03-312020-09-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1000.04000.01000.03000.03000.00004000.008000.01000.0-3000.0
Percentage of NetShareActivityThroughEquityAwardPlan0.16.80.1-0.20.4-0.0-0.0-0.0-1.7-0.0-2.40.6-0.2

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-91000.05000.0136000.0-135000.0-149000.021000.0-326000.078000.0-90000.0-16000.0-38000.01069000.0-77000.0-43000.0-472000.0715000.0
Percentage of NetShareActivityThroughEquityAwardPlan8.48.59.79.910.28.1-182.110.513.85.96.1-449.212.612.9-274.439.8

us-gaap:Parent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-987000.054000.01261000.0-1225000.0-1309000.0239000.0505000.0663000.0-564000.0-256000.0-586000.0-1307000.0-535000.0-291000.0644000.01081000.0
Percentage of NetShareActivityThroughEquityAwardPlan91.691.590.390.189.891.9282.189.586.294.193.9549.287.487.1374.460.2

qts:PreferredStockConversionMinimumPercentageOfClosingSalePriceOfCommonStock us-gaap:StatementClassOfStock

qts:PreferredStockConversionMinimumPercentageOfClosingSalePriceOfCommonStock

us-gaap:SeriesBPreferredStock


Preferred
Period End2021-06-302021-03-31
Value0150.0
Percentage of PreferredStockConversionMinimumPercentageOfClosingSalePriceOfCommonStock0.0100.0

qts:ProceedsFromSaleOfEquity

qts:ProceedsFromSaleOfEquity


Proceeds
Period End2021-03-312020-09-30
Value917.348
Percentage of ProceedsFromSaleOfEquity100.0100.0

qts:ProceedsFromSettlementsOfEquity

qts:ProceedsFromSettlementsOfEquity


Proceeds
Period End2021-03-312020-09-30
Value215151
Percentage of ProceedsFromSettlementsOfEquity100.0100.0

qts:PropertyOperatingCosts

qts:PropertyOperatingCosts


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value45464343404038443834353836
Percentage of PropertyOperatingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:PropertyOperatingCosts dei:LegalEntity

qts:QualitytechLp


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value43404038443834353836
Percentage of PropertyOperatingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:RealEstateCostCapitalizedExcludingInterestCost

qts:RealEstateCostCapitalizedExcludingInterestCost


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value7.05.54.64.54.84.54.74.84.04.55.74.53.73.53.23.63.42.51.92.83.92.42.22.72.63.33.12.92.52.22.22.42.21.7
Percentage of RealEstateCostCapitalizedExcludingInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:ReclassificationOfOtherComprehensiveIncomeLossToInterestExpense

qts:ReclassificationOfOtherComprehensiveIncomeLossToInterestExpense


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-3414000.0-3375000.0-3335000.0-3352000.0-2703000.0-758000.0-169000.0235000.0471000.0494000.0
Percentage of ReclassificationOfOtherComprehensiveIncomeLossToInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:ReclassificationOfOtherComprehensiveIncomeLossToInterestExpense dei:LegalEntity

qts:QualitytechLp


Reclassification
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-3352000.0-2703000.0-758000.0-169000.0235000.0471000.0494000.0
Percentage of ReclassificationOfOtherComprehensiveIncomeLossToInterestExpense100.0100.0100.0100.0100.0100.0100.0

qts:ReclassificationOfOtherComprehensiveIncomeLossToUtilitiesExpense

qts:ReclassificationOfOtherComprehensiveIncomeLossToUtilitiesExpense


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-31
Value-160000.066000.0-243000.0-197000.0-410000.0-354000.00
Percentage of ReclassificationOfOtherComprehensiveIncomeLossToUtilitiesExpense100.0100.0100.0100.0100.0100.00.0

qts:ReclassificationOfOtherComprehensiveIncomeLossToUtilitiesExpense dei:LegalEntity

qts:QualitytechLp


Reclassification
Period End2020-09-302020-06-302020-03-31
Value-197000.0-410000.0-354000.0
Percentage of ReclassificationOfOtherComprehensiveIncomeLossToUtilitiesExpense100.0100.0100.0

qts:RelatedPartyLeaseExpense us-gaap:RelatedPartyTransactionsByRelatedParty

qts:RelatedPartyLeaseExpense

srt:AffiliatedEntity


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value260000.0260000.0257000.0257000.0257000.0257000.0253000.0254000.0253000.0254000.0253000.0254000.0253000.0254000.0252000.0254000.0
Percentage of RelatedPartyLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:RelatedPartyOtherExpenses us-gaap:RelatedPartyTransactionsByRelatedParty

qts:RelatedPartyOtherExpenses

srt:AffiliatedEntity


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value254000.0169000.0326000.0114000.078000.0176000.0359000.0173000.0174000.0261000.0200000.0128000.0135000.0261000.0329000.0118000.0
Percentage of RelatedPartyOtherExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePrice us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType, us-gaap:AwardType

qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePrice

qts:OperatingPartnership, qts:ClassO


Share
Period End2021-06-302021-03-31
Value025.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePrice0.0100.0

qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePriceRangeLowerRangeLimit us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType, us-gaap:AwardType

qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePriceRangeLowerRangeLimit

qts:QtsRealtyTrustInc, qts:OptionToPurchaseClassACommonStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value021.000021.000021.000021.000021.000021.000021.000021.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePriceRangeLowerRangeLimit0.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0

qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePriceRangeUpperRangeLimit us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType, us-gaap:AwardType

qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePriceRangeUpperRangeLimit

qts:QtsRealtyTrustInc, qts:OptionToPurchaseClassACommonStock


Share
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value059.06000050.6600050.6600101.32-50.660-91.56045.7801.150.7335.8103.31025.51
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingExercisePriceRangeUpperRangeLimit0.0100.00.00.00.00.0100.00.00.00.0100.00.00.0100.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.0

qts:StockIssuedDuringPeriodSharesSettlementOfForwardShares dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

qts:StockIssuedDuringPeriodSharesSettlementOfForwardShares

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-09-30
Value2948000.01032000.01930000.02832000.0
Percentage of StockIssuedDuringPeriodSharesSettlementOfForwardShares100.0100.0100.0100.0

qts:StockIssuedDuringPeriodSharesSettlementOfForwardShares us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value8173000.03865000.02948000.01033000.01930000.02832000.0
Percentage of StockIssuedDuringPeriodSharesSettlementOfForwardShares0.00.0100.0100.1100.0100.0

qts:StockIssuedDuringPeriodValueSettlementOfForwardShares

qts:StockIssuedDuringPeriodValueSettlementOfForwardShares


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value4902151515083109
Percentage of StockIssuedDuringPeriodValueSettlementOfForwardShares100.0100.0100.0100.0100.0100.0

qts:StockIssuedDuringPeriodValueSettlementOfForwardShares dei:LegalEntity

qts:QualitytechLp


Stock
Period End2020-09-302020-06-302020-03-312019-09-30
Value1515083109
Percentage of StockIssuedDuringPeriodValueSettlementOfForwardShares100.0100.0100.0100.0

qts:StockIssuedDuringPeriodValueSettlementOfForwardShares dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-09-30
Value1515083109
Percentage of StockIssuedDuringPeriodValueSettlementOfForwardShares100.0100.0100.0100.0

qts:StockIssuedDuringPeriodValueSettlementOfForwardShares us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value4642031424778102
Percentage of StockIssuedDuringPeriodValueSettlementOfForwardShares94.694.193.893.594.493.9

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value0.0810.0390.0290.010.0190.028
Percentage of StockIssuedDuringPeriodValueSettlementOfForwardShares0.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value26129.3693.2774.6826.641
Percentage of StockIssuedDuringPeriodValueSettlementOfForwardShares5.45.96.26.55.66.1

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value4642031424778102
Percentage of StockIssuedDuringPeriodValueSettlementOfForwardShares94.694.193.893.594.493.9

qts:WeightedAverageFairValueOfOptionsGrantedDuringPeriod us-gaap:Range

qts:WeightedAverageFairValueOfOptionsGrantedDuringPeriod

srt:Maximum


Weighted
Period End2021-06-302021-03-312018-12-31
Value011.360
Percentage of WeightedAverageFairValueOfOptionsGrantedDuringPeriod0.0100.00.0

srt:Minimum


Weighted
Period End2021-06-302021-03-312019-03-312018-12-31
Value03.797.560
Percentage of WeightedAverageFairValueOfOptionsGrantedDuringPeriod0.033.40.00.0

us-gaap:AdjustmentForAmortization us-gaap:CumulativeEffectPeriodOfAdoption

us-gaap:AdjustmentForAmortization

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Adjustment
Period End2020-09-30
Value100000.0
Percentage of AdjustmentForAmortization100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value7.36.98.26.14.94.54.33.33.94.03.53.43.73.73.12.72.63.22.11.82.11.81.31.30.91.10.90.70.50.40.4
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfAboveAndBelowMarketLeases

us-gaap:AmortizationOfAboveAndBelowMarketLeases


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-19000.010000.099000.0150000.090000.090000.061000.05000.0100000.064000.080000.0100000.0100000.0139000.0166000.0200000.0200000.0300000.0-137000.0300000.0100000.0100000.0100000.00
Percentage of AmortizationOfAboveAndBelowMarketLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AmortizationOfAboveAndBelowMarketLeases dei:LegalEntity

qts:QualitytechLp


Amortization
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value150000.090000.090000.061000.05000.057000.064000.080000.0115000.0131000.0139000.0166000.0220000.0220000.0259000.0322000.0136000.0
Percentage of AmortizationOfAboveAndBelowMarketLeases100.0100.0100.0100.0100.057.0100.0100.0115.0131.0100.0100.0110.0110.086.3-235.045.3

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3013810-7.971-7.12312551-2.767-26.183691.5757.607-34.78110247-18.5267.221390.08723-20.583374.012-7.826-5.12661133.743-3.5473639
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid dei:LegalEntity

qts:QualitytechLp


Capital
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-7.971-7.12312551-2.767-26.183691.5757.607-34.78110247-18.5267.221390.08723-20.583374.611-7.826-5.12661133.743-3.54736
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0114.9100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStock, us-gaap:SubsequentEvent


Common
Period End2021-01-072020-07-072020-04-072020-01-072019-10-042019-07-092019-04-042019-01-082018-10-042018-07-062018-04-05
Value0.470.470.470.440.440.440.440.410.410.410.41
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:MajorCustomers, us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:ConcentrationRiskByBenchmark

us-gaap:ConcentrationRiskPercentage1

qts:ThreeCustomers, us-gaap:TradeAccountsReceivable, us-gaap:AccountsReceivable


Concentration
Period End2021-03-31
Value53.0
Percentage of ConcentrationRiskPercentage1100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark

qts:CustomerOne, qts:RentalRevenue


Concentration
Period End2021-03-312020-03-312019-03-31
Value11.00.1080.125
Percentage of ConcentrationRiskPercentage120.80.00.0

qts:CustomerOne, us-gaap:AccountsReceivable


Concentration
Period End2021-03-31
Value40.0
Percentage of ConcentrationRiskPercentage175.5

us-gaap:ConcentrationRiskPercentage1 us-gaap:MajorCustomers, us-gaap:Range, us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:ConcentrationRiskByBenchmark

qts:ThreeCustomers, srt:Minimum, us-gaap:TradeAccountsReceivable, us-gaap:AccountsReceivable


Concentration
Period End2021-03-31
Value5.0
Percentage of ConcentrationRiskPercentage19.4

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7.26.46.65.34.53.94.14.03.83.23.13.33.22.93.02.72.42.6
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value4845464138353532323029292826272525252323222020171412121110109.59.79.08.5
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation us-gaap:PropertyPlantAndEquipmentByType

qts:NonRealEstateAssets


Depreciationus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value3.22.93.23.53.33.43.22.92.92.92.63.33.13.23.93.33.53.63.63.43.13.03.62.71.71.91.81.61.61.4
Percentage of Depreciation6.66.46.98.58.79.59.18.99.09.68.811.311.011.914.012.713.714.415.314.313.714.517.715.112.114.814.313.415.013.7

qts:RealEstateAssets


Depreciationus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value454242373432322929272625252324222221192019171615121010109.18.8
Percentage of Depreciation93.293.693.191.591.390.590.991.191.090.491.288.789.088.186.087.386.385.684.785.786.385.582.384.987.985.285.786.685.086.3

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value58555551474545424138383737353735343333323028272418161615131311
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization dei:LegalEntity

qts:QualitytechLp


Depreciation
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value514745454241383837373537353433333230282724181616151313
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DilutiveSecurities

us-gaap:DilutiveSecurities


Dilutive
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value-5285000.0-4839000.0-4372000.0-5552000.0-1596000.0-1829000.0-2184000.0-1880000.0-1935000.0-204000.0-206000.0-227000.0-258000.0-2089000.0684000.0356000.0691000.0675000.0808000.0707000.0970000.0731000.01229000.0888000.0955000.01221000.0849000.0848000.0
Percentage of DilutiveSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash us-gaap:StatementClassOfStock

us-gaap:DividendsCash

us-gaap:SeriesAPreferredStock


Dividends
Period End2021-04-152021-06-302021-01-152021-03-312020-12-312020-07-152020-09-302020-04-152020-06-302020-01-152020-03-312019-12-312019-07-152019-09-302019-04-152019-06-302019-01-152019-03-312018-12-312018-09-282018-09-302018-06-292018-04-05
Value1.91.91.91.91.91.91.91.91.91.91.91.91.91.91.91.91.91.9-0.61.91.91.90.6
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeriesBPreferredStock


Dividends
Period End2021-04-152021-06-302021-01-152021-03-312020-12-312020-07-152020-09-302020-04-152020-06-302020-01-152020-03-312019-12-312019-07-152019-09-302019-04-152019-06-302019-01-152019-03-312018-12-312018-09-30
Value5.15.15.15.15.15.15.15.15.15.15.15.15.15.05.15.25.15.15.16.3
Percentage of DividendsCash268.4268.4268.4268.4268.4268.4268.4268.4268.4268.4268.4268.4263.2268.4273.7268.4268.4268.4-850.0331.6

us-gaap:DividendsCash us-gaap:StatementEquityComponents

us-gaap:CommonStock


Dividends
Period End2021-04-062021-06-302021-01-072021-03-312020-12-312020-09-182020-07-072020-09-302020-06-192020-04-072020-06-302020-03-202020-01-072020-03-312019-12-202019-12-312019-09-192019-07-092019-09-302019-06-252019-04-042019-06-302019-03-202019-01-082019-03-312018-12-212018-12-312018-09-202018-09-302018-06-202018-06-302018-03-222018-03-312017-12-05
Value35353333323231313131313128282827272727272727272323232323232323232222
Percentage of DividendsCash1878.90.01757.90.01684.21657.90.00.01657.90.00.01505.30.00.01436.80.01436.80.00.01436.80.00.01247.40.00.0-3950.00.01247.40.00.00.00.00.00.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-837000.0-1864000.02152000.01379000.0645000.0-192000.0-691000.0950000.0
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents dei:LegalEntity

qts:QualitytechLp


Effect
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value1379000.0645000.0-192000.0-691000.0950000.0
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:EquityMethodInvestmentDividendsOrDistributions


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value812000.0569000.0745000.01000000.0300000.0300000.0
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions dei:LegalEntity

qts:QualitytechLp


Equity
Period End2020-09-302020-06-302020-03-31
Value1000000.0300000.0300000.0
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:LongtermDebtType

us-gaap:ExtinguishmentOfDebtAmount

qts:LenexaMortgageLoan


Extinguishment
Period End2020-11-30
Value1700000.0
Percentage of ExtinguishmentOfDebtAmount100.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value468000.0469000.0469000.0475000.0482000.0489000.0489000.0505000.0454000.0245000.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period 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
Value0.6870.6620.660.6440.6550.620.6120.6830.7610.7991.4841.826
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments dei:LegalEntity

qts:QualitytechLp


Finance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.6440.6550.620.6120.6830.7610.7991.4841.826
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1015000.01013000.01035000.01038000.01039000.01038000.01039000.01091000.01019000.0386000.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value000159000.0-380000.0370000.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax0.00.00.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax dei:LegalEntity

qts:QualitytechLp


Foreign
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value00159000.0-380000.0370000.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax0.00.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-705000.0-559000.0-411000.0-366000.0-590000.0-677000.0-481000.0-317000.0-401000.0-274000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments dei:LegalEntity

qts:QualitytechLp


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-366000.0-590000.0-677000.0-481000.0-317000.0-401000.0-274000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseDueFromAffiliates

us-gaap:IncreaseDecreaseDueFromAffiliates


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-230000.04095000.0630000.0-3754000.0-3343000.04428000.0-906000.0-1064000.0
Percentage of IncreaseDecreaseDueFromAffiliates100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseDueFromAffiliates dei:LegalEntity

qts:QualitytechLp


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value-3754000.0-3343000.04428000.0-906000.0-1064000.0
Percentage of IncreaseDecreaseDueFromAffiliates100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value9.9121720103.424-2.8886.628180.1941.8043.0661.5154.667-2.7535.3633.9192.5151.0847.91-0.6436.6613.173-1.2440.8260.3471.2091.8491.4881.197-2.7892.419
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables dei:LegalEntity

qts:QualitytechLp


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value103.424-2.8886.628180.1941.8043.0661.5154.667-2.7535.3633.9192.5151.0847.91-0.6436.6613.173-1.2440.8260.3471.2091.8491.4881.197-2.789
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value8.1532.61-3.97413-4.6257.173-0.61415-4.949-6.866-4.6689.706-6.0849.619-0.9263.4954.175-11.8152.931-2.03118-12.78411-0.6043.553-5.376-0.830.163-2.143-5.85315
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities dei:LegalEntity

qts:QualitytechLp


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value13-4.6257.173-0.61415-4.949-6.866-4.6689.706-6.0849.619-0.9263.4954.175-11.8152.931-2.03118-12.78413-0.6043.553-5.376-0.830.163-2.143-5.853
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0118.6100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value218.20329113.8910.392-2.2351.3721.8654.9261.724-1.0184.193.3742.765
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability dei:LegalEntity

qts:QualitytechLp


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value113.8910.392-2.2351.3721.8654.9261.724-1.0184.193.3742.765
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.123-0.018-0.173-0.123-0.0320.270.814-0.269-0.086-0.111-0.4530.980.0412.4025.3712.3921.3981.5810.8734.2392.4542.6054.372.56
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes dei:LegalEntity

qts:QualitytechLp


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.123-0.0320.270.814-0.269-0.086-0.111-0.4530.980.0412.4025.3712.3921.3981.5810.8734.2392.4542.6056.4842.56
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0148.4100.0

us-gaap:IncreaseDecreaseInDerivativeAssets

us-gaap:IncreaseDecreaseInDerivativeAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-30
Value4.145176.315.265-3.591-35.0975.24-5.733-18.606-9.853-9.0791.4292.5635.9820.286
Percentage of IncreaseDecreaseInDerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDerivativeAssets dei:LegalEntity

qts:QualitytechLp


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-30
Value5.265-3.591-35.0975.24-5.733-18.606-9.853-9.0791.4292.5635.9820.286
Percentage of IncreaseDecreaseInDerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value377000.0445000.0-1570000.01814000.0-111000.0238000.0-1579000.01119000.06000.0419000.02542000.0-5193000.0-5206000.03339000.0-649000.0-228000.0-205000.0800000.0-406000.0488000.0350000.0129000.04664000.026000.0516000.0-190000.0669000.0-848000.0484000.0-232000.0463000.0
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets dei:LegalEntity

qts:QualitytechLp


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1814000.0-111000.0238000.0-1579000.01119000.06000.0419000.02542000.0-5193000.0-5206000.03339000.0-649000.0-228000.0-205000.0800000.0-406000.0488000.0350000.0129000.04664000.026000.0516000.0-190000.0669000.0-848000.0484000.0-232000.0
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-3631000.03771000.0-1934000.01827000.0-4353000.06727000.0-2126000.0-118000.0-5254000.01653000.01025000.0-325000.01723000.0-354000.02011000.0-2265000.01601000.04144000.04975000.0-500000.0-26000.01510000.0-326000.017000.0-592000.0138000.085000.020000.0-134000.070000.06000.0
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities dei:LegalEntity

qts:QualitytechLp


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1827000.0-4353000.06727000.0-2126000.0-118000.0-5254000.01653000.01025000.0-325000.01723000.0-354000.02011000.0-2265000.01601000.04144000.04975000.0-500000.0-26000.01510000.0-326000.017000.0-592000.0138000.085000.020000.0-134000.070000.0
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncreaseDecreaseInPrepaidExpense


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-1848000.03914000.0-1039000.0-578000.0-1905000.03164000.02088000.01353000.0-2797000.02762000.0-202000.0-660000.0-240000.04165000.0-1046000.0-1666000.0-1296000.03253000.0-3012000.0888000.0-2090000.04056000.0-2531000.01953000.0-638000.03398000.0-979000.0-256000.0-506000.03007000.0-678000.0
Percentage of IncreaseDecreaseInPrepaidExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidExpense dei:LegalEntity

qts:QualitytechLp


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-578000.0-1905000.03164000.02088000.01353000.0-2797000.02762000.0-202000.0-660000.0-240000.04165000.0-1046000.0-1666000.0-1296000.03253000.0-3012000.0888000.0-2090000.04056000.0-2531000.01953000.0-638000.03398000.0-979000.0-256000.0-506000.03007000.0
Percentage of IncreaseDecreaseInPrepaidExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsCapitalized

us-gaap:InterestCostsCapitalized


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value7.87.07.37.17.78.18.38.78.47.88.76.76.05.44.43.63.23.13.02.53.22.82.72.72.42.01.81.31.81.61.10.91.11.0
Percentage of InterestCostsCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-31
Value1000.0002000.08000.022000.036000.045000.058000.066000.025000.01000.01000.065000.001000.001000.02000.001000.01000.00008000.01000.0
Percentage of InvestmentIncomeInterest100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.0100.0100.00.00.00.0100.0100.0

us-gaap:InvestmentIncomeInterest dei:LegalEntity

qts:QualitytechLp


Investment
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-31
Value02000.08000.022000.036000.045000.058000.066000.025000.01000.01000.065000.001000.001000.02000.001000.01000.00008000.0
Percentage of InvestmentIncomeInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.0100.0100.00.00.00.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.9853.9353.9694.03.9814.0064.1894.0293.974.128
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest us-gaap:Ownership

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest

qts:OperatingPartnership


Limited
Period End2021-06-302021-03-312020-12-31
Value0.991.40.2
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest100.0100.0100.0

us-gaap:LimitedPartnersCapitalAccountDistributionAmount dei:LegalEntity

us-gaap:LimitedPartnersCapitalAccountDistributionAmount

qts:QualitytechLp


Limited
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.1293.1343.1332.9322.9322.9352.7352.7352.7362.7362.5522.5572.6452.6452.4422.432.6472.3562.1862.2122.2392.24
Percentage of LimitedPartnersCapitalAccountDistributionAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LimitedPartnersCapitalAccountDistributionAmount dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Limited
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3.1293.1343.1332.9322.9322.9352.7352.7362.736
Percentage of LimitedPartnersCapitalAccountDistributionAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2265000.02232000.02244000.02266000.02239000.02263000.01600000.02479000.02543000.03333000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value15014413913312512011912111410910710410199
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome dei:LegalEntity

qts:QualitytechLp


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value133125120119121114109107104
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeaseLeaseIncomeLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1321271241181131071041031019896929088
Percentage of OperatingLeaseLeaseIncomeLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OperatingLeaseVariableLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1816151512121417131011111011
Percentage of OperatingLeaseVariableLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value54000.0-158000.0166000.064000.0-223000.0394000.0-426000.066000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent dei:LegalEntity

qts:QualitytechLp


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value166000.064000.0-223000.0394000.0-426000.066000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent dei:LegalEntity, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-30
Value166000.064000.0-223000.0-426000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value49000.0-144000.0150000.058000.0-201000.0-383000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent90.791.190.490.690.189.9

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value5000.0-14000.016000.06000.0-22000.0-43000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent9.38.99.69.49.910.1

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value49000.0-144000.0150000.058000.0-201000.0-383000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent90.791.190.490.690.189.9

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


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
Value4.145176.5615.5-3.641-36.7154.349-5.733-18.606-9.853-9.0791.4292.5635.982
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax dei:LegalEntity

qts:QualitytechLp


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.5-3.641-36.7154.349-5.733-18.606-9.853-9.0791.4292.5635.982
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax dei:LegalEntity, us-gaap:StatementEquityComponents

qts:QualitytechLp, us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5.5-3.641-36.715-5.733-18.606-9.8531.4292.5635.982
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3.494154.692-3.382-33.155-5.207-16.608-8.7751.2632.2675.29
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax84.389.385.392.990.390.889.389.188.488.588.4

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.6511.8390.808-0.259-3.56-0.526-1.998-1.0780.1660.2960.692
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax15.710.714.77.19.79.210.710.911.611.511.6

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3.494154.692-3.382-33.155-5.207-16.608-8.7751.2632.2675.29
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax84.389.385.392.990.390.889.389.188.488.588.4

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-3400000.0-3400000.0-3300000.0-3400000.0-2700000.0-800000.0-200000.0235000.0471000.0500000.0310000.083000.0-91000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfCapitalDistribution dei:LegalEntity

us-gaap:PaymentsOfCapitalDistribution

qts:QualitytechLp


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value3.1333.1342.9342.9322.9322.9342.7352.7352.7352.7372.5522.5572.6452.6452.4422.432.4652.5382.1862.2132.2382.242.1742.1172.2782.6422.012
Percentage of PaymentsOfCapitalDistribution100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value7.0457.0457.0457.0457.0457.0457.0457.0457.0457.0458.1871.906
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock dei:LegalEntity

qts:QualitytechLp


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value7.0457.0457.0457.0457.0457.0457.0458.1871.906
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312013-12-31
Value9.4580.00.0960.0054.9480.041-0.0320.1733.3550.0030.1070.499100.1620.0340.0044.1423.0720.99
Percentage of PaymentsOfFinancingCosts100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfFinancingCosts dei:LegalEntity

qts:QualitytechLp


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.00.0960.0054.9480.041-0.0320.1733.3550.0030.1070.499100.1620.0340.0044.1423.072
Percentage of PaymentsOfFinancingCosts0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1050000.01435000.01101000.0915000.01034000.02293000.0757000.0620000.0461000.02062000.0724000.0248000.0366000.0867000.01415000.0846000.0694000.01770000.0473000.0810000.0506000.0795000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation dei:LegalEntity

qts:QualitytechLp


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value915000.01034000.02293000.0757000.0620000.0461000.02062000.0724000.0248000.0366000.0867000.01415000.0846000.0694000.01770000.0473000.0810000.0506000.0795000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAndDevelopRealEstate

us-gaap:PaymentsToAcquireAndDevelopRealEstate


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-02-28
Value2392141991962061719065104101102133144103709773668248717867829673454154594710
Percentage of PaymentsToAcquireAndDevelopRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAndDevelopRealEstate dei:LegalEntity

qts:QualitytechLp


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value196206171906510410110213314410370977366824871786782967345415459
Percentage of PaymentsToAcquireAndDevelopRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-30
Value260.40131100.01.7977.0282580120.0248041500.03.820.00.017
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.00.00.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired dei:LegalEntity

qts:QualitytechLp


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-30
Value100.01.7977.0282580120.0248041500.03.820.00.017
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.00.00.0100.0

us-gaap:PaymentsToMinorityShareholders

us-gaap:PaymentsToMinorityShareholders


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value3.2353.0823.1293.1333.1342.9342.9322.9322.9342.7352.7352.7352.7372.5522.5572.6452.6452.4422.432.4652.5382.1862.2132.2382.242.1742.1172.2782.6422.012
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312013-12-31
Value490215-0.1281515083-0.133109-0.334159279
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock dei:LegalEntity

qts:QualitytechLp


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1515083-0.133109-0.334159
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Proceeds
Period End2021-06-302017-09-302015-06-30
Value49054203
Percentage of ProceedsFromIssuanceOfCommonStock100.00.00.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock

us-gaap:CommonStock, qts:UnderwritingOffering


Proceeds
Period End2020-09-302020-06-30
Value269271
Percentage of ProceedsFromIssuanceOfCommonStock177.9535.1

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromLongTermLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value327253335193852129292120931718112910266711242673073614586251702856540481245814
Percentage of ProceedsFromLongTermLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLongTermLinesOfCredit dei:LegalEntity

qts:QualitytechLp


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1938521292921209317181129102667112426730736145862517028565404812458
Percentage of ProceedsFromLongTermLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value01979000.001642000.074000.0808000.0263000.0237000.0670000.02687000.0198000.030000.024000.04286000.0620000.042000.0-1000.0193000.0566000.0100000.0
Percentage of ProceedsFromStockOptionsExercised0.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised dei:LegalEntity

qts:QualitytechLp


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1642000.074000.0808000.0263000.0237000.0670000.02687000.0198000.030000.024000.04286000.0620000.042000.0-1000.0193000.0566000.0100000.0
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-558000.01013000.0437000.0-473000.01353000.03719000.01666000.0490000.011000.0239000.0-650000.0-395000.0-367000.0-863000.01769000.0645000.0791000.0314000.0551000.0393000.0281000.0527000.0683000.0274000.0308000.058000.0198000.0133000.0121000.0148000.0371000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts dei:LegalEntity

qts:QualitytechLp


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-473000.01353000.03719000.01666000.0490000.011000.0239000.0-650000.0-395000.0-367000.0-863000.01769000.0645000.0791000.0314000.0551000.0393000.0281000.0527000.0683000.0274000.0308000.058000.0198000.0133000.0121000.0148000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateTaxesAndInsurance

us-gaap:RealEstateTaxesAndInsurance


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value5.7885.0223.9974.0054.1063.9114.0683.7133.3553.3673.2973.0882.9032.9052.753.1162.9463.1472.5142.5662.021.741.4481.4621.4741.4851.4031.3771.1181.2181.016
Percentage of RealEstateTaxesAndInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateTaxesAndInsurance dei:LegalEntity

qts:QualitytechLp


Real
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value4.0054.1063.9114.0683.7133.3553.3673.2973.0882.9032.9052.753.1162.9463.1472.5142.5662.021.741.4481.4621.4741.4851.4031.3771.1181.218
Percentage of RealEstateTaxesAndInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionAmountsOfTransaction us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionAmountsOfTransaction

srt:AffiliatedEntity


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value514000.0429000.0583000.0371000.0335000.0433000.0839000.0480000.0797000.0569000.0631000.0464000.0434000.0673000.0758000.0404000.0
Percentage of RelatedPartyTransactionAmountsOfTransaction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermLinesOfCredit

us-gaap:RepaymentsOfLongTermLinesOfCredit


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-31
Value5942804701810.01240.0210
Percentage of RepaymentsOfLongTermLinesOfCredit100.0100.0100.0100.00.0100.00.0100.0

us-gaap:RepaymentsOfLongTermLinesOfCredit dei:LegalEntity

qts:QualitytechLp


Repayments
Period End2020-09-302019-12-312019-09-302019-06-302019-03-31
Value1810.01240.0210
Percentage of RepaymentsOfLongTermLinesOfCredit100.00.0100.00.0100.0

us-gaap:RepaymentsOfOtherDebt

us-gaap:RepaymentsOfOtherDebt


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1.690.0170.0170.0120.0220.0170.0170.0090.0230.0110.0160.0160.0160.0160.0080.014700.0160.5840.5740.5650.5550.5450.359
Percentage of RepaymentsOfOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfOtherDebt dei:LegalEntity

qts:QualitytechLp


Repayments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.0170.0170.0120.0220.0170.0170.0090.0230.0110.0160.0160.0160.0160.0080.014700.0160.5840.5740.5650.5550.545
Percentage of RepaymentsOfOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost


Share
Period End2020-09-30
Value900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate


Share
Period End2021-06-302021-03-312014-06-30
Value03.390.0455
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate0.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate


Share
Period End2020-12-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-30
Value000.330.3300.330.33
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.00.0100.0100.00.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum


Share
Period End2021-06-302021-03-31
Value031.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum


Share
Period End2021-06-302021-03-31
Value028.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum


Share
Period End2021-06-302021-03-31
Value00.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum


Share
Period End2021-06-302021-03-31
Value00.06
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

qts:PerformanceBasedFundingFromOperationsUnitsAwards, qts:TwoThousandThirteenEquityIncentivePlan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value059.0600
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.0

qts:PerformanceBasedRelativeTotalStockholderReturnUnitAwards, qts:TwoThousandThirteenEquityIncentivePlan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value064.7200
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0109.60.00.0

us-gaap:EmployeeStockOption, qts:TwoThousandThirteenEquityIncentivePlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value010.53003.216.14000.067.560005.6300010.320
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.017.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStock, qts:TwoThousandThirteenEquityIncentivePlan


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.0259.070.0516.0240.8300.0442.010.33035.27-0.41050.66
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption, qts:TwoThousandThirteenEquityIncentivePlan


Share
Period End2021-06-302021-03-312020-12-312015-12-31
Value038.630.16-0.25
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice0.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption, qts:TwoThousandThirteenEquityIncentivePlan


Share
Period End2021-06-302021-03-312020-12-312015-12-31
Value059.0600
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice0.0100.00.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:AwardType, us-gaap:Vesting

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

qts:RestrictedClassCommonStock, us-gaap:ShareBasedCompensationAwardTrancheOne


Sharebased
Period End2020-09-302020-06-302020-03-31
Value32.6700.33
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage100.00.0100.0

qts:RestrictedClassCommonStock, us-gaap:ShareBasedCompensationAwardTrancheTwo


Sharebased
Period End2021-06-302021-03-31
Value033.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock, qts:TwoThousandThirteenEquityIncentivePlan


Sharebased
Period End2021-06-302021-03-312020-03-312019-09-302019-06-302019-03-312017-09-302017-06-302017-03-31
Value0.1457.2448.0-0.464.2238.73-0.84-1.1142.44
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue

us-gaap:EmployeeStockOption, qts:TwoThousandThirteenEquityIncentivePlan


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-31
Value07.91-0.06-0.650.070.070.495.58-0.660.28-0.011.74-0.064.930
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RestrictedStock, qts:TwoThousandThirteenEquityIncentivePlan


Sharebased
Period End2021-06-302021-03-312020-09-302019-09-302019-06-302019-03-312018-09-302017-09-302017-06-302017-03-31
Value-1.9454.57-0.410.910.8437.12-0.44-0.74-1.443.36
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue0.0689.963.11300.0171.4665.2-157.1-42.52333.3879.5

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:SubsidiarySaleOfStock

us-gaap:StockIssuedDuringPeriodSharesNewIssues

qts:AtTheMarketAndUnderwrittenOffering


Stock
Period End2021-06-30
Value8.2
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

qts:QualitytechLp, us-gaap:LimitedPartner, us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value51000.01000.0238000.015000.031000.0229000.0-17000.08000.0564000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value132000.0426000.062000.01000.0240000.015000.037000.0231000.0-1000.0-17000.05000.0434000.0-8000.0355000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation0.00.0121.6100.0100.8100.0119.4100.90.0100.062.577.00.00.0

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value49000.049000.049000.049000.047000.048000.048000.046000.046000.046000.0
Percentage of SubleaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic


Undistributed
Period End2021-06-302020-06-30
Value2678000.05552000.0
Percentage of UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic100.0100.0

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted


Undistributed
Period End2021-06-302020-06-30
Value2678000.05552000.0
Percentage of UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted100.0100.0

us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic

us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic


Undistributed
Period End2021-06-302020-06-30
Value-5273000.0-2705000.0
Percentage of UndistributedEarningsLossAvailableToCommonShareholdersBasic100.0100.0

us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersDiluted

us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersDiluted


Undistributed
Period End2021-06-302020-06-30
Value-5273000.0-2705000.0
Percentage of UndistributedEarningsLossAvailableToCommonShareholdersDiluted100.0100.0

us-gaap:UtilitiesOperatingExpense

us-gaap:UtilitiesOperatingExpense


Utilities
Period End2020-09-30
Value200000.0
Percentage of UtilitiesOperatingExpense100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value286000.0270000.0270000.0270000.0268000.0264000.0456000.0223000.0219000.0210000.0
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding us-gaap:StatementClassOfStock

dei:EntityCommonStockSharesOutstanding

us-gaap:CommonClassA


Entity
Period End2020-07-302020-04-302020-02-252019-11-062019-07-312019-05-062019-02-222018-10-312018-08-012018-05-082018-02-232017-10-312017-07-282017-05-042017-02-232016-11-042016-08-022016-05-032016-02-252015-11-032015-08-062015-05-012015-02-182014-11-032014-08-132014-05-072014-03-072013-11-20
Value61605858555551515151505048474747474741414034292828282828
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonClassB


Entity
Period End2020-07-302020-04-302020-02-252019-11-062019-07-312019-05-062019-02-222018-10-312018-08-012018-05-082018-02-232017-10-312017-07-282017-05-042017-02-232016-11-042016-08-022016-05-032016-02-252015-11-032015-08-062015-05-012015-02-182014-11-032014-08-132014-05-072014-03-072013-11-20
Value0.1284080.1284080.1284080.1284080.1284080.1284080.1284080.1284080.1284080.1284080.1284080.1284080.1330.1330.1330.1330.1330.1330.1330.1330.1330.1330.1330.1330.1330.1330.1330.133
Percentage of EntityCommonStockSharesOutstanding0.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.40.50.50.50.50.50.5

qts:AboveMarketLeaseAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:AboveMarketLeaseAccumulatedAmortization

qts:AboveMarketLeaseAsLessee


Above
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1199000.0983000.0929000.0875000.0821000.0767000.0550000.0
Percentage of AboveMarketLeaseAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0

qts:AboveMarketLeaseAsLessor


Above
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4816000.04015000.03810000.03644000.03416000.03247000.02328000.0
Percentage of AboveMarketLeaseAccumulatedAmortization401.7408.4410.1416.5416.1423.3423.3

qts:AboveMarketLeaseGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:AboveMarketLeaseGross

qts:AboveMarketLeaseAsLessor


Above
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value5070000.05035000.05024000.05041000.04649000.04649000.04649000.0
Percentage of AboveMarketLeaseGross100.0100.0100.0100.0100.0100.0100.0

qts:AboveMarketLeaseNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:AboveMarketLeaseNet

qts:AboveMarketLeaseAsLessee


Above
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1254000.01470000.01524000.01578000.01632000.01686000.01903000.0
Percentage of AboveMarketLeaseNet100.0100.0100.0100.0100.0100.0100.0

qts:AboveMarketLeaseAsLessor


Above
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value254000.01020000.01214000.01397000.01233000.01402000.02321000.0
Percentage of AboveMarketLeaseNet20.369.479.788.575.683.2122.0

qts:AcresOfRealEstateProperty us-gaap:BusinessAcquisition

qts:AcresOfRealEstateProperty

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Acres
Period End2020-09-30
Value25.6
Percentage of AcresOfRealEstateProperty100.0

qts:AdvanceRentSecurityDepositsAndOtherLiabilities

qts:AdvanceRentSecurityDepositsAndOtherLiabilities


Advance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value192319212024185247343229292828293128242020201819193.4393.3023.2173.1973.3313.2613.011
Percentage of AdvanceRentSecurityDepositsAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:AdvanceRentSecurityDepositsAndOtherLiabilities dei:LegalEntity

qts:QualitytechLp


Advance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value212024185247343229292828293128242020201819193.4393.3023.261
Percentage of AdvanceRentSecurityDepositsAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedConstructionInProcess

qts:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedConstructionInProcess


Business
Period End2020-12-312019-12-312019-04-232018-12-312017-12-312017-09-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-31
Value4361291141034162131312121217
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedConstructionInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:ContractWithCustomersMinimumPaymentsReceivable

qts:ContractWithCustomersMinimumPaymentsReceivable


Contract
Period End2021-06-302021-03-312020-09-30
Value209320221650
Percentage of ContractWithCustomersMinimumPaymentsReceivable100.0100.0100.0

qts:ContractWithCustomersMinimumPaymentsReceivableInFiveYears

qts:ContractWithCustomersMinimumPaymentsReceivableInFiveYears


Contract
Period End2021-06-302021-03-312020-09-30
Value210186169
Percentage of ContractWithCustomersMinimumPaymentsReceivableInFiveYears100.0100.0100.0

qts:ContractWithCustomersMinimumPaymentsReceivableInFourYears

qts:ContractWithCustomersMinimumPaymentsReceivableInFourYears


Contract
Period End2021-06-302021-03-312020-09-30
Value270240221
Percentage of ContractWithCustomersMinimumPaymentsReceivableInFourYears100.0100.0100.0

qts:ContractWithCustomersMinimumPaymentsReceivableInThreeYears

qts:ContractWithCustomersMinimumPaymentsReceivableInThreeYears


Contract
Period End2021-06-302021-03-312020-09-30
Value335296323
Percentage of ContractWithCustomersMinimumPaymentsReceivableInThreeYears100.0100.0100.0

qts:ContractWithCustomersMinimumPaymentsReceivableInTwoYears

qts:ContractWithCustomersMinimumPaymentsReceivableInTwoYears


Contract
Period End2021-06-302021-03-312020-09-30
Value430394405
Percentage of ContractWithCustomersMinimumPaymentsReceivableInTwoYears100.0100.0100.0

qts:ContractWithCustomersMinimumPaymentsReceivableRemainderOfFiscalYear

qts:ContractWithCustomersMinimumPaymentsReceivableRemainderOfFiscalYear


Contract
Period End2021-06-302021-03-312020-09-30
Value246349108
Percentage of ContractWithCustomersMinimumPaymentsReceivableRemainderOfFiscalYear100.0100.0100.0

qts:ContractWithCustomersMinimumPaymentsReceivableThereafter

qts:ContractWithCustomersMinimumPaymentsReceivableThereafter


Contract
Period End2021-06-302021-03-312020-09-30
Value600554421
Percentage of ContractWithCustomersMinimumPaymentsReceivableThereafter100.0100.0100.0

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationAfterYearFive us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationAfterYearFive

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Decrease
Period End2020-12-31
Value-174000.0
Percentage of DecreaseToLesseeRentalExpenseDueToLeaseAmortizationAfterYearFive100.0

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationNextFiscalYear us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationNextFiscalYear

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Decrease
Period End2020-12-31
Value-216000.0
Percentage of DecreaseToLesseeRentalExpenseDueToLeaseAmortizationNextFiscalYear100.0

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearFive us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearFive

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Decrease
Period End2020-12-31
Value-216000.0
Percentage of DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearFive100.0

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearFour us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearFour

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Decrease
Period End2020-12-31
Value-216000.0
Percentage of DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearFour100.0

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearThree us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearThree

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Decrease
Period End2020-12-31
Value-216000.0
Percentage of DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearThree100.0

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearTotal us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearTotal

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Decrease
Period End2020-12-31
Value-1254000.0
Percentage of DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearTotal100.0

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearTwo us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearTwo

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Decrease
Period End2020-12-31
Value-216000.0
Percentage of DecreaseToLesseeRentalExpenseDueToLeaseAmortizationYearTwo100.0

qts:DeferredTaxAssetsIntangibles

qts:DeferredTaxAssetsIntangibles


Deferred
Period End2020-12-312019-12-31
Value1038000.0804000.0
Percentage of DeferredTaxAssetsIntangibles100.0100.0

qts:DeferredTaxAssetsLeases

qts:DeferredTaxAssetsLeases


Deferred
Period End2020-12-312018-12-312017-12-312016-12-312015-12-31
Value400000.01000.0453000.02154000.03097000.0
Percentage of DeferredTaxAssetsLeases100.0100.0100.0100.0100.0

qts:DeferredTaxAssetsLiabilities

qts:DeferredTaxAssetsLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value25237.264-3.898-15.185-18.8133.395
Percentage of DeferredTaxAssetsLiabilities100.0100.0100.0100.0100.0100.0100.0

qts:DeferredTaxAssetsTaxDeferredExpenseInterestExpenseCarryforward

qts:DeferredTaxAssetsTaxDeferredExpenseInterestExpenseCarryforward


Deferred
Period End2020-12-312019-12-312018-12-31
Value1164000.02782000.02253000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseInterestExpenseCarryforward100.0100.0100.0

qts:DeferredTaxAssetsTaxDeferredExpenseInterestExpenseCarryforwardsNotSubjectToExpiration

qts:DeferredTaxAssetsTaxDeferredExpenseInterestExpenseCarryforwardsNotSubjectToExpiration


Deferred
Period End2020-12-31
Value4500000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseInterestExpenseCarryforwardsNotSubjectToExpiration100.0

qts:DeferredTaxLiabilitiesOperatingLeaseRightUseOfAssets

qts:DeferredTaxLiabilitiesOperatingLeaseRightUseOfAssets


Deferred
Period End2020-12-312019-12-31
Value1056000.01261000.0
Percentage of DeferredTaxLiabilitiesOperatingLeaseRightUseOfAssets100.0100.0

qts:DeferredTaxOperatingLeaseLiability

qts:DeferredTaxOperatingLeaseLiability


Deferred
Period End2020-12-312019-12-31
Value1904000.02266000.0
Percentage of DeferredTaxOperatingLeaseLiability100.0100.0

qts:EquityMethodInvestmentOwnershipPercentageThreshold

qts:EquityMethodInvestmentOwnershipPercentageThreshold


Equity
Period End2020-09-30
Value50.0
Percentage of EquityMethodInvestmentOwnershipPercentageThreshold100.0

qts:FinanceLeasesAndMortgageNotesPayable

qts:FinanceLeasesAndMortgageNotesPayable


Finance
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value41444546464748484.674
Percentage of FinanceLeasesAndMortgageNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:FinanceLeasesAndMortgageNotesPayable dei:LegalEntity

qts:QualitytechLp


Finance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value444546464748484.674
Percentage of FinanceLeasesAndMortgageNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0

qts:FiniteLivedAcquiredIntangibleLiabilities

qts:FiniteLivedAcquiredIntangibleLiabilities


Finite
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1717171717171717171717173.2623.262
Percentage of FiniteLivedAcquiredIntangibleLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:FiniteLivedAcquiredIntangibleLiabilitiesNet

qts:FiniteLivedAcquiredIntangibleLiabilitiesNet


Finite
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value9.74910111111111212121313132.6772.79
Percentage of FiniteLivedAcquiredIntangibleLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:FiniteLivedIntangibleLiabilitiesAccumulatedAmortization

qts:FiniteLivedIntangibleLiabilitiesAccumulatedAmortization


Finite
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value7568000.06398000.06060000.05562000.05333000.05017000.04701000.04386000.04070000.03755000.03440000.03124000.0585000.0472000.0
Percentage of FiniteLivedIntangibleLiabilitiesAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

qts:ForwardSharesSoldNumberOfShares

qts:ForwardSharesSoldNumberOfShares


Forward
Period End2021-03-312020-09-302020-06-302020-03-312019-12-31
Value1.5040.114105.7813.795
Percentage of ForwardSharesSoldNumberOfShares100.0100.0100.0100.0100.0

qts:ForwardSharesSoldSettledNumberOfShares

qts:ForwardSharesSoldSettledNumberOfShares


Forward
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value7.69.9617.465103.795
Percentage of ForwardSharesSoldSettledNumberOfShares100.0100.0100.0100.0100.0

qts:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour

qts:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour


Long
Period End2021-06-302021-03-312020-09-30
Value10001000875
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour100.0100.0100.0

qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesNextFiscalYear us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesNextFiscalYear

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Net
Period End2020-12-31
Value164000.0
Percentage of NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesNextFiscalYear100.0

qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesTotal us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesTotal

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Net
Period End2020-12-31
Value250000.0
Percentage of NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesTotal100.0

qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearFour us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearFour

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Net
Period End2020-12-31
Value6000.0
Percentage of NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearFour100.0

qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearThree us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearThree

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Net
Period End2020-12-31
Value25000.0
Percentage of NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearThree100.0

qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearTwo us-gaap:FiniteLivedIntangibleAssetsByMajorClass

qts:NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearTwo

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Net
Period End2020-12-31
Value55000.0
Percentage of NetIncreaseDecreaseToRentalRevenueAmortizationOfAboveAndBelowMarketLeasesYearTwo100.0

qts:PercentageOfAccountsReceivable us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark

qts:PercentageOfAccountsReceivable

qts:CustomerOne, us-gaap:AccountsReceivable


Percentage
Period End2020-12-31
Value10.0
Percentage of PercentageOfAccountsReceivable100.0

qts:TwoCustomers, us-gaap:AccountsReceivable


Percentage
Period End2020-12-31
Value45.0
Percentage of PercentageOfAccountsReceivable450.0

qts:ProceedsFromIssuanceOrSaleOfEquity1

qts:ProceedsFromIssuanceOrSaleOfEquity1


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value457587440584173
Percentage of ProceedsFromIssuanceOrSaleOfEquity1100.0100.0100.0100.0100.0

qts:ProceedsFromIssuanceOrSaleOfEquityExcludingDividends

qts:ProceedsFromIssuanceOrSaleOfEquityExcludingDividends


Proceeds
Period End2020-12-312020-06-302019-12-31
Value587591177
Percentage of ProceedsFromIssuanceOrSaleOfEquityExcludingDividends100.0100.0100.0

qts:RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress

qts:RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1028920790567365345214146
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress100.0100.0100.0100.0100.0100.0100.0100.0

qts:RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress us-gaap:RealEstateProperties

qts:AssetsLeasedToOthersAcquiredIn2015


Real
Period End2020-12-312019-12-31
Value0.0020.109
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.00.0

us-gaap:AssetsLeasedToOthers


Real
Period End2020-12-312019-12-31
Value0.3790.667
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.00.1

us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1028920780562355336213146
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress100.099.998.899.097.197.299.6100.0

qts:RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress us-gaap:StatementGeographical, us-gaap:RealEstateProperties

qts:AshburnVirginiaDC1, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value13
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress1.3

qts:AshburnVirginiaDC2, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value129
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress12.6

qts:AshburnVirginiaDC3, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value42
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress4.1

qts:AtlantaGeorgiaDC1, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value3.2
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.3

qts:AtlantaGeorgiaDC2, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value124
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress12.1

qts:AtlantaGeorgiaLand, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value63
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress6.2

qts:ChicagoIllinois, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value10486133
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress10.19.416.8

qts:DullesVirginia, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value4.1484.6883.852
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.40.50.5

qts:EemshavenNetherlands, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-31
Value4737
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress4.64.0

qts:FortWorthTexas, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value1.0643543
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.13.95.5

qts:GroningenNetherlands, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-31
Value3.733.028
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.40.3

qts:HillsboroOregon, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value786339
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress7.66.95.0

qts:IrvingTexas, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value999899
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress9.710.712.6

qts:JerseyCityNj, us-gaap:AssetsLeasedToOthers


Real
Period End2020-12-312019-12-31
Value0.2230.557
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.00.1

qts:ManassasVirginiaDC1, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value61
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress5.9

qts:ManassasVirginiaDC2, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value6.003
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.6

qts:MiamiFlorida, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value0.5770.1190.09
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.10.00.0

qts:OverlandParkKansas, us-gaap:AssetsLeasedToOthers


Real
Period End2020-12-312019-12-31
Value0.1540.001
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.00.0

qts:PhoenixArizona, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value373129
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress3.73.53.7

qts:PiscatawayNewJersey, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value303633
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress3.03.94.2

qts:PrincetonNewJersey, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value0.0050.0390.431
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.00.00.1

qts:RichmondVirginia, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value12013967
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress11.715.28.6

qts:SacramentoCalifornia, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value0.0120.1630.092
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.00.00.0

qts:SanAntonioTexas, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value40
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress3.9

qts:SantaClaraCalifornia, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value9.3851.2387.6
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.90.11.0

qts:Suwanee, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-31
Value6.7015.5593.188
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress0.70.60.4

qts:RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress

qts:RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value349270208183
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress100.0100.0100.0100.0

qts:RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress us-gaap:RealEstateProperties

us-gaap:WhollyOwnedProperties


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value349270208183
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress100.0100.0100.0100.0

qts:RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress us-gaap:StatementGeographical, us-gaap:RealEstateProperties

qts:AshburnVirginiaDC2, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value20
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress5.9

qts:AshburnVirginiaDC3, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value35
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress10.1

qts:AtlantaGeorgiaDC1, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value2.209
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress0.6

qts:AtlantaGeorgiaLand, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value52
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress15.1

qts:ManassasVirginiaDC1, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value27
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress7.9

qts:ManassasVirginiaDC2, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value5.911
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress1.7

qts:SanAntonioTexas, us-gaap:WhollyOwnedProperties


Real
Period End2020-12-31
Value37
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfConstructionInProgress10.6

qts:RealEstatePurchasePrice us-gaap:BusinessAcquisition

qts:RealEstatePurchasePrice

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Real
Period End2020-09-30
Value12
Percentage of RealEstatePurchasePrice100.0

qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisedPrice us-gaap:AwardType, us-gaap:PlanName

qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisedPrice

qts:ClassO, qts:TwoThousandTenEquityIncentivePlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312014-06-302014-03-312013-12-31
Value25.025.025.025.025.025.024.4923.4423.44
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisedPrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock, qts:TwoThousandThirteenEquityIncentivePlan


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-06-302014-03-312013-12-31
Value52.239.6737.8346.3740.6733.8229.1322.322.321.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisedPrice208.8158.70.00.00.00.00.091.195.189.6

qts:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisedPrice us-gaap:PlanName, us-gaap:StatementClassOfStock

qts:TwoThousandTenEquityIncentivePlan, qts:ClassO


Share
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value25.024.9724.3624.3624.0524.0524.0224.4724.423.5223.4924.1924.1624.0624.023.923.7723.7623.4923.4423.0920.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisedPrice100.099.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.0

qts:VotesPerShareOfClassBCommonStock us-gaap:StatementClassOfStock

qts:VotesPerShareOfClassBCommonStock

us-gaap:CommonClassB


Votes
Period End2020-12-31
Value50.0
Percentage of VotesPerShareOfClassBCommonStock100.0

us-gaap:AccountsAndNotesReceivableNet

us-gaap:AccountsAndNotesReceivableNet


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value1341241078776748176605655515045474744424134353028313016151312111411
Percentage of AccountsAndNotesReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsAndNotesReceivableNet dei:LegalEntity

qts:QualitytechLp


Accounts
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value87767481766056555150454747444241343530283130161514
Percentage of AccountsAndNotesReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value2402021871731691771429490120991221091441136784728684636995809282645247536336
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent dei:LegalEntity

qts:QualitytechLp


Accounts
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value17316917714294901209912210914411367847286846369958092826463
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedAmortizationDeferredFinanceCosts

us-gaap:AccumulatedAmortizationDeferredFinanceCosts


Accumulated
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value7752000.05743000.05289000.04812000.04335000.03859000.03377000.02887000.02398000.01908000.01453000.01016000.0579000.0145000.01564000.01172000.0781000.04899000.04090000.03303000.02510000.01683000.03761000.03071000.02450000.01867000.03309000.0
Percentage of AccumulatedAmortizationDeferredFinanceCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedAmortizationDeferredFinanceCosts us-gaap:DebtInstrument

qts:FixedDebtArrangements


Accumulated
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value4765000.04937000.04449000.03947000.03446000.02944000.02451000.01983000.01510000.01039000.04089000.03604000.02660000.0
Percentage of AccumulatedAmortizationDeferredFinanceCosts61.586.084.182.079.576.372.668.763.054.5281.4354.71834.5

us-gaap:AccumulatedDistributionsInExcessOfNetIncome

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value574536504457428403376340316292278257223195173139126111978573615244382922183.799
Percentage of AccumulatedDistributionsInExcessOfNetIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312014-06-302014-03-312013-12-312012-12-31
Value4.65.35.45.66.55.22.31.93.53.33.84.34.410114.25.13.71.51.30.90.5
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:BelowMarketLeaseAccumulatedAmortization

qts:BelowMarketLeaseAsLessor


Below
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1113000.0967000.0885000.0779000.0671000.0611000.0375000.0
Percentage of BelowMarketLeaseAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:BelowMarketLeaseGross

qts:BelowMarketLeaseAsLessor


Below
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1117000.01092000.01084000.01096000.0809000.0809000.0809000.0
Percentage of BelowMarketLeaseGross100.0100.0100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:BelowMarketLeaseNet

qts:BelowMarketLeaseAsLessor


Below
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4000.0125000.0199000.0317000.0138000.0198000.0434000.0
Percentage of BelowMarketLeaseNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedCostsAssetRetirementCosts

us-gaap:CapitalizedCostsAssetRetirementCosts


Capitalized
Period End2020-12-31
Value24
Percentage of CapitalizedCostsAssetRetirementCosts100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value114938555433939414038333132282522
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability dei:LegalEntity

qts:QualitytechLp


Contract
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value554339394140383331322825
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value158718541884523624581526402345487
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:CreditFacility, us-gaap:DebtInstrument

qts:TermLoanI, qts:TermLoanI


Debt
Period End2020-12-312019-12-312018-12-31
Value225225350
Percentage of DebtInstrumentCarryingAmount11.90.00.0

qts:TermLoanIi, qts:TermLoanIi


Debt
Period End2020-12-312019-12-312018-12-31
Value225225350
Percentage of DebtInstrumentCarryingAmount11.90.00.0

qts:UnsecuredRevolvingCreditFacility, qts:UnsecuredRevolvingCreditFacility


Debt
Period End2020-12-312019-12-312018-12-31
Value392317252
Percentage of DebtInstrumentCarryingAmount20.80.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:CreditFacility, us-gaap:LongtermDebtType

qts:UnsecuredRevolvingCreditFacility, qts:UnsecuredCreditFacilityTwo


Debt
Period End2020-12-312019-12-31
Value392317
Percentage of DebtInstrumentCarryingAmount20.80.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

qts:A2028SeniorNotes


Debt
Period End2020-12-31
Value500
Percentage of DebtInstrumentCarryingAmount26.5

qts:FinanceLeases


Debt
Period End2020-09-302020-06-302020-03-312019-12-31
Value43434445
Percentage of DebtInstrumentCarryingAmount0.00.00.00.0

qts:LenexaMortgageLoan


Debt
Period End2020-09-302020-06-302020-03-312019-12-312017-12-31
Value1.6891.7071.7241.7361.866
Percentage of DebtInstrumentCarryingAmount0.00.00.00.00.0

qts:UnsecuredCreditFacility


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1100122312071229924956835952781700838831706639400330140239197439314256
Percentage of DebtInstrumentCarryingAmount58.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.026.738.433.983.378.174.3

qts:UnsecuredRevolvingCreditFacility


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value95361392522507529317
Percentage of DebtInstrumentCarryingAmount6.019.520.80.00.00.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

qts:FinanceLeases, qts:FinanceLeases


Debt
Period End2020-12-312019-12-312018-12-31
Value41452.873
Percentage of DebtInstrumentCarryingAmount2.20.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

qts:LenexaMortgageLoan


Debt
Period End2020-09-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.71.71.7581.7751.7911.8011.8231.8341.851.8661.8821.8981.906
Percentage of DebtInstrumentCarryingAmount0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:ScenarioPlan, qts:TermLoanD, us-gaap:SubsequentEvent


Debt
Period End2020-11-16
Value250
Percentage of DebtInstrumentCarryingAmount0.0

us-gaap:DebtInstrumentFairValue us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DebtInstrumentFairValue

qts:SeniorNote, us-gaap:FairValueInputsLevel2


Debt
Period End2020-09-30
Value415
Percentage of DebtInstrumentFairValue100.0

qts:ThreePointEightSevenFiveSeniorNotesDue2028, us-gaap:FairValueInputsLevel2


Debt
Period End2021-06-302021-03-31
Value533500
Percentage of DebtInstrumentFairValue0.00.0

us-gaap:SeniorNotes, us-gaap:FairValueInputsLevel2


Debt
Period End2020-12-312015-03-312014-12-312014-09-30
Value508308294290
Percentage of DebtInstrumentFairValue0.00.00.00.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1313149.4749.96210101010111110101111101011-11.88210111112
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtWeightedAverageInterestRate

us-gaap:DebtWeightedAverageInterestRate


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312015-12-31
Value3.122.872.853.090.03120.03270.03540.03730.03860.03960.03890.03970.03950.0380.03480.02310.03390.0331
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtWeightedAverageInterestRate us-gaap:CreditFacility, us-gaap:DebtInstrument

qts:TermLoanI, qts:TermLoanI


Debt
Period End2020-12-312019-12-31
Value3.260.0316
Percentage of DebtWeightedAverageInterestRate114.489.3

qts:TermLoanIi, qts:TermLoanIi


Debt
Period End2020-12-312019-12-31
Value3.30.0319
Percentage of DebtWeightedAverageInterestRate115.890.1

qts:TermLoanIii, qts:TermLoanIii


Debt
Period End2020-12-312019-12-31
Value3.460.0319
Percentage of DebtWeightedAverageInterestRate121.490.1

qts:UnsecuredRevolvingCreditFacility, qts:UnsecuredRevolvingCreditFacility


Debt
Period End2020-12-312019-12-31
Value1.410.0271
Percentage of DebtWeightedAverageInterestRate49.576.6

us-gaap:DebtWeightedAverageInterestRate us-gaap:DebtInstrument

qts:A2028SeniorNotes


Debt
Period End2020-12-31
Value3.88
Percentage of DebtWeightedAverageInterestRate136.1

qts:FinanceLeases


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value4.364.354.360.04350.0435
Percentage of DebtWeightedAverageInterestRate139.7151.6141.1139.4133.0

qts:LenexaMortgageLoan


Debt
Period End2020-09-302020-06-302020-03-312017-12-31
Value4.10.0410.0410.041
Percentage of DebtWeightedAverageInterestRate132.7131.4125.4117.8

qts:OperatingPartnershipAndQtsFinanceCorporation


Debt
Period End2020-12-312019-12-312019-09-30
Value4.750.04750.0475
Percentage of DebtWeightedAverageInterestRate166.7134.2127.3

qts:SeniorNote


Debt
Period End2020-09-302020-06-302020-03-31
Value4.750.04750.0475
Percentage of DebtWeightedAverageInterestRate153.7152.2145.3

qts:TermLoanMaturingApril272025


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value3.33.33.30.0330.033
Percentage of DebtWeightedAverageInterestRate105.8115.0106.8105.8100.9

qts:TermLoanMaturingDecember172024


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value3.263.263.260.03260.0326
Percentage of DebtWeightedAverageInterestRate104.5113.6105.5104.599.7

qts:TermLoanMaturingOctober182026


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value3.463.463.460.03460.0346
Percentage of DebtWeightedAverageInterestRate110.9120.6112.0110.9105.8

qts:UnsecuredCreditFacility


Debt
Period End2020-12-312017-09-302017-06-302017-03-312016-09-30
Value2.650.03630.03530.03380.0343
Percentage of DebtWeightedAverageInterestRate93.00.00.0146.30.0

qts:UnsecuredRevolvingCreditFacility


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value1.351.361.380.01410.0196
Percentage of DebtWeightedAverageInterestRate43.347.444.745.259.9

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

qts:FinanceLeases, qts:FinanceLeases


Debt
Period End2020-12-312019-12-31
Value4.330.0435
Percentage of DebtWeightedAverageInterestRate151.9122.9

qts:LenexaMortgageLoan, qts:LenexaMortgageLoan


Debt
Period End2020-12-312019-12-31
Value4.10.041
Percentage of DebtWeightedAverageInterestRate143.9115.8

us-gaap:DeferredCostsCurrentAndNoncurrent

us-gaap:DeferredCostsCurrentAndNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value6964635754535248464545424442413838383835343140383837373323191915
Percentage of DeferredCostsCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsCurrentAndNoncurrent dei:LegalEntity

qts:QualitytechLp


Deferred
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value57545352484645454244424138383838353431403838373719
Percentage of DeferredCostsCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsLeasingAccumulatedAmortization

us-gaap:DeferredCostsLeasingAccumulatedAmortization


Deferred
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value4332282927252322212021182118151513121413119.3788.3797.467.2015.5164.361
Percentage of DeferredCostsLeasingAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsLeasingGross

us-gaap:DeferredCostsLeasingGross


Deferred
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value1017770696563606056545450535045443633353330262420191712
Percentage of DeferredCostsLeasingGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsLeasingNet

us-gaap:DeferredCostsLeasingNet


Deferred
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value57444239383736373533323231313029222021191817151212118.206
Percentage of DeferredCostsLeasingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredFinanceCostsGross


Deferred
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value1313111111119.7599.7579.7599.7757.1327.1317.1317.1286.6766.6556.6542118181818189.9739.5269.15910
Percentage of DeferredFinanceCostsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsGross us-gaap:DebtInstrument

qts:FixedDebtArrangements


Deferred
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value19151414141412121212121212
Percentage of DeferredFinanceCostsGross140.2114.5126.8127.2127.4125.8131.2131.5130.3129.7181.5179.7179.3

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value6.0348.0336.236.6767.1537.6716.3826.877.3617.8675.6796.1156.5526.9835.1125.4835.8731614151616146.9027.0767.2926.856
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet us-gaap:CreditFacility, us-gaap:LongtermDebtType

qts:TermLoan, qts:UnsecuredCreditFacilityTwo


Deferred
Period End2020-12-312019-12-31
Value7.16.4
Percentage of DeferredFinanceCostsNet117.779.7

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument

qts:FixedDebtArrangements


Deferred
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value141010101111101011118.8549.20910
Percentage of DeferredFinanceCostsNet241.3134.9163.1159.7156.5150.7162.2157.8152.2147.9155.9150.6144.9

qts:SeniorNote


Deferred
Period End2020-09-302020-06-302020-03-312016-06-302016-03-31
Value3.94.14.36.66.8
Percentage of DeferredFinanceCostsNet0.00.00.0120.4115.8

qts:TermLoan


Deferred
Period End2020-09-302020-06-302020-03-31
Value5.65.96.2
Percentage of DeferredFinanceCostsNet0.00.00.0

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

qts:SeniorNotesDue2028, us-gaap:SeniorNotes


Deferred
Period End2020-12-31
Value7.5
Percentage of DeferredFinanceCostsNet124.3

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-312011-12-31
Value5.7065.577182113421619214215167.2115.7785.4033.82
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRentReceivablesNet

us-gaap:DeferredRentReceivablesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value787163544742383432312927262623211918171514119.17.35.84.44.04.23.23.12.92.4
Percentage of DeferredRentReceivablesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRentReceivablesNet us-gaap:BalanceSheetLocation

qts:RentsAndOtherReceivables


Deferred
Period End2020-12-312019-12-312018-12-31
Value633829
Percentage of DeferredRentReceivablesNet100.0100.0100.0

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsDeferredIncome


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1062000.01299000.03171000.03435000.04323000.03747000.0868000.0583000.0467000.0372000.0
Percentage of DeferredTaxAssetsDeferredIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value312925172723107.1437.2743.964
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2220178.88817149.137
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic


Deferred
Period End2020-12-31
Value33
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsDomestic100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration