2.4.0.8 Html 278 404 1 false 84 0 false 10 false false R1.htm 101 - Document - Document and Entity Information Sheet http://www.qualitytech.com/taxonomy/role/DocumentandEntityInformation Document and Entity Information true false R2.htm 103 - Statement - Balance Sheets Sheet http://www.qualitytech.com/taxonomy/role/StatementOfFinancialPositionClassified Balance Sheets false false R3.htm 104 - Statement - Balance Sheets (Parenthetical) Sheet http://www.qualitytech.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical Balance Sheets (Parenthetical) false false R4.htm 105 - Statement - Statements of Operations and Comprehensive Income (Loss) Sheet http://www.qualitytech.com/taxonomy/role/StatementOfIncomeRealEstateInvestmentTrusts Statements of Operations and Comprehensive Income (Loss) false false R5.htm 106 - Statement - Consolidated Statements of Equity Sheet http://www.qualitytech.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncome Consolidated Statements of Equity false false R6.htm 107 - Statement - Statements of Cash Flows Sheet http://www.qualitytech.com/taxonomy/role/StatementOfCashFlowsIndirect Statements of Cash Flows false false R7.htm 108 - Disclosure - Description of Business Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsBusinessDescriptionAndBasisOfPresentationTextBlock Description of Business false false R8.htm 109 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlock Summary of Significant Accounting Policies false false R9.htm 110 - Disclosure - Acquisitions of Real Estate Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsBusinessCombinationDisclosureTextBlock Acquisitions of Real Estate false false R10.htm 111 - Disclosure - Real Estate Assets and Construction in Progress Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsRealEstateDisclosureTextBlock Real Estate Assets and Construction in Progress false false R11.htm 112 - Disclosure - Credit Facilities and Mortgage Notes Payable Notes http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsDebtDisclosureTextBlock Credit Facilities and Mortgage Notes Payable false false R12.htm 113 - Disclosure - Interest Rate Derivative Instruments Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock Interest Rate Derivative Instruments false false R13.htm 114 - Disclosure - Member Advances and Notes Payable Notes http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsDebtAndRelatedPartyTransactionsTextBlock Member Advances and Notes Payable false false R14.htm 115 - Disclosure - Commitments and Contingencies Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlock Commitments and Contingencies false false R15.htm 116 - Disclosure - Partners' Capital, Equity and Incentive Compensation Plans Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlock Partners' Capital, Equity and Incentive Compensation Plans false false R16.htm 117 - Disclosure - Related Party Transactions Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsRelatedPartyTransactionsDisclosureTextBlock Related Party Transactions false false R17.htm 118 - Disclosure - Employee Benefit Plan Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsCompensationAndEmployeeBenefitPlansTextBlock Employee Benefit Plan false false R18.htm 119 - Disclosure - Noncontrolling Interest Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsMinorityInterestDisclosureTextBlock Noncontrolling Interest false false R19.htm 120 - Disclosure - Earnings per share Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlock Earnings per share false false R20.htm 121 - Disclosure - Operating Leases, as Lessee Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsLeasesOfLesseeDisclosureTextBlock Operating Leases, as Lessee false false R21.htm 122 - Disclosure - Customer Leases, as Lessor Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsLeasesOfLessorDisclosureTextBlock Customer Leases, as Lessor false false R22.htm 123 - Disclosure - Fair Value of Financial Instruments Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlock Fair Value of Financial Instruments false false R23.htm 124 - Disclosure - Quarterly Financial Information (unaudited) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsQuarterlyFinancialInformationTextBlock Quarterly Financial Information (unaudited) false false R24.htm 125 - Disclosure - Subsequent Events Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsSubsequentEventsTextBlock Subsequent Events false false R25.htm 126 - Disclosure - SCHEDULE III - REAL ESTATE INVESTMENTS Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsRealEstateAndAccumulatedDepreciationDisclosureTextBlock SCHEDULE III - REAL ESTATE INVESTMENTS false false R26.htm 127 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockPolicies Summary of Significant Accounting Policies (Policies) false false R27.htm 128 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockTables Summary of Significant Accounting Policies (Tables) false false R28.htm 129 - Disclosure - Acquisitions of Real Estate (Tables) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsBusinessCombinationDisclosureTextBlockTables Acquisitions of Real Estate (Tables) false false R29.htm 130 - Disclosure - Real Estate Assets and Construction in Progress (Tables) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsRealEstateDisclosureTextBlockTables Real Estate Assets and Construction in Progress (Tables) false false R30.htm 131 - Disclosure - Credit Facilities and Mortgage Notes Payable (Tables) Notes http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsDebtDisclosureTextBlockTables Credit Facilities and Mortgage Notes Payable (Tables) false false R31.htm 132 - Disclosure - Partners' Capital, Equity and Incentive Compensation Plans (Tables) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlockTables Partners' Capital, Equity and Incentive Compensation Plans (Tables) false false R32.htm 133 - Disclosure - Related Party Transactions (Tables) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsRelatedPartyTransactionsDisclosureTextBlockTables Related Party Transactions (Tables) false false R33.htm 134 - Disclosure - Earnings per share (Tables) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlockTables Earnings per share (Tables) false false R34.htm 135 - Disclosure - Operating Leases, as Lessee (Tables) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsLeasesOfLesseeDisclosureTextBlockTables Operating Leases, as Lessee (Tables) false false R35.htm 136 - Disclosure - Customer Leases, as Lessor (Tables) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsLeasesOfLessorDisclosureTextBlockTables Customer Leases, as Lessor (Tables) false false R36.htm 137 - Disclosure - Quarterly Financial Information (unaudited) (Tables) Sheet http://www.qualitytech.com/taxonomy/role/NotesToFinancialStatementsQuarterlyFinancialInformationTextBlockTables Quarterly Financial Information (unaudited) (Tables) false false R37.htm 138 - Disclosure - Description of Business - Additional Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureDescriptionOfBusinessAdditionalInformation Description of Business - Additional Information (Detail) false false R38.htm 139 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation Summary of Significant Accounting Policies - Additional Information (Detail) false false R39.htm 140 - Disclosure - Summary of Significant Accounting Policies - Additional Information 1 (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation1 Summary of Significant Accounting Policies - Additional Information 1 (Detail) false false R40.htm 141 - Disclosure - Summary of Significant Accounting Policies - Deferred Financing Costs, Net of Accumulated Amortization (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesDeferredFinancingCostsNetOfAccumulatedAmortization Summary of Significant Accounting Policies - Deferred Financing Costs, Net of Accumulated Amortization (Detail) false false R41.htm 142 - Disclosure - Summary of Significant Accounting Policies - Deferred Leasing Costs, Net of Accumulated Amortization (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesDeferredLeasingCostsNetOfAccumulatedAmortization Summary of Significant Accounting Policies - Deferred Leasing Costs, Net of Accumulated Amortization (Detail) false false R42.htm 143 - Disclosure - Summary of Significant Accounting Policies - Additional Information 2 (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation2 Summary of Significant Accounting Policies - Additional Information 2 (Detail) false false R43.htm 144 - Disclosure - Summary of Significant Accounting Policies - Summary of Temporary Differences and Carry Forwards Which Give Rise to Deferred Tax Assets and Liabilities (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfTemporaryDifferencesAndCarryForwardsWhichGiveRiseToDeferredTaxAssetsAndLiabilities Summary of Significant Accounting Policies - Summary of Temporary Differences and Carry Forwards Which Give Rise to Deferred Tax Assets and Liabilities (Detail) false false R44.htm 145 - Disclosure - Summary of Significant Accounting Policies - Financial Instruments Held at Fair Value (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesFinancialInstrumentsHeldAtFairValue Summary of Significant Accounting Policies - Financial Instruments Held at Fair Value (Detail) false false R45.htm 146 - Disclosure - Acquisitions of Real Estate - Additional Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureAcquisitionsOfRealEstateAdditionalInformation Acquisitions of Real Estate - Additional Information (Detail) false false R46.htm 147 - Disclosure - Acquisitions of Real Estate - Consideration for the Sacramento Facility and the Final Purchase Price Allocation (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureAcquisitionsOfRealEstateConsiderationForTheSacramentoFacilityAndTheFinalPurchasePriceAllocation Acquisitions of Real Estate - Consideration for the Sacramento Facility and the Final Purchase Price Allocation (Detail) false false R47.htm 148 - Disclosure - Real Estate Assets and Construction in Progress - Summary of Properties Owned or Leased by the Company (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureRealEstateAssetsAndConstructionInProgressSummaryOfPropertiesOwnedOrLeasedByTheCompany Real Estate Assets and Construction in Progress - Summary of Properties Owned or Leased by the Company (Detail) false false R48.htm 149 - Disclosure - Credit Facilities and Mortgage Notes Payable - Outstanding Debt Excluding Capital Leases (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableOutstandingDebtExcludingCapitalLeases Credit Facilities and Mortgage Notes Payable - Outstanding Debt Excluding Capital Leases (Detail) false false R49.htm 150 - Disclosure - Credit Facilities and Mortgage Notes Payable - Unsecured Credit Facility - Additional Information (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableUnsecuredCreditFacilityAdditionalInformation Credit Facilities and Mortgage Notes Payable - Unsecured Credit Facility - Additional Information (Detail) false false R50.htm 151 - Disclosure - Credit Facilities and Mortgage Notes Payable - Secured Credit Facility - Additional Information (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableSecuredCreditFacilityAdditionalInformation Credit Facilities and Mortgage Notes Payable - Secured Credit Facility - Additional Information (Detail) false false R51.htm 152 - Disclosure - Credit Facilities and Mortgage Notes Payable - Richmond Credit Facility - Additional Information (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableRichmondCreditFacilityAdditionalInformation Credit Facilities and Mortgage Notes Payable - Richmond Credit Facility - Additional Information (Detail) false false R52.htm 153 - Disclosure - Credit Facilities and Mortgage Notes Payable - Atlanta-Metro Equipment Loan - Additional Information (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableAtlantaMetroEquipmentLoanAdditionalInformation Credit Facilities and Mortgage Notes Payable - Atlanta-Metro Equipment Loan - Additional Information (Detail) false false R53.htm 154 - Disclosure - Credit Facilities and Mortgage Notes Payable - Miami Loan - Additional Information (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableMiamiLoanAdditionalInformation Credit Facilities and Mortgage Notes Payable - Miami Loan - Additional Information (Detail) false false R54.htm 155 - Disclosure - Credit Facilities and Mortgage Notes Payable - Atlanta-Suwanee Land Loan - Additional Information (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableAtlantaSuwaneeLandLoanAdditionalInformation Credit Facilities and Mortgage Notes Payable - Atlanta-Suwanee Land Loan - Additional Information (Detail) false false R55.htm 156 - Disclosure - Credit Facilities and Mortgage Notes Payable - Lenexa Loan - Additional Information (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableLenexaLoanAdditionalInformation Credit Facilities and Mortgage Notes Payable - Lenexa Loan - Additional Information (Detail) false false R56.htm 157 - Disclosure - Credit Facilities and Mortgage Notes Payable - Santa Clara Bridge Loan - Additional Information (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableSantaClaraBridgeLoanAdditionalInformation Credit Facilities and Mortgage Notes Payable - Santa Clara Bridge Loan - Additional Information (Detail) false false R57.htm 158 - Disclosure - Credit Facilities and Mortgage Notes Payable - Dallas Note - Additional Information (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableDallasNoteAdditionalInformation Credit Facilities and Mortgage Notes Payable - Dallas Note - Additional Information (Detail) false false R58.htm 159 - Disclosure - Credit Facilities and Mortgage Notes Payable - Annual Remaining Principal Payment (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureCreditFacilitiesAndMortgageNotesPayableAnnualRemainingPrincipalPayment Credit Facilities and Mortgage Notes Payable - Annual Remaining Principal Payment (Detail) false false R59.htm 160 - Disclosure - Interest Rate Derivative Instruments - Additional Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureInterestRateDerivativeInstrumentsAdditionalInformation Interest Rate Derivative Instruments - Additional Information (Detail) false false R60.htm 161 - Disclosure - Member Advances and Notes Payable - Additional Information (Detail) Notes http://www.qualitytech.com/taxonomy/role/DisclosureMemberAdvancesAndNotesPayableAdditionalInformation Member Advances and Notes Payable - Additional Information (Detail) false false R61.htm 162 - Disclosure - Partners' Capital, Equity and Incentive Compensation Plans - Additional Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosurePartnersCapitalEquityAndIncentiveCompensationPlansAdditionalInformation Partners' Capital, Equity and Incentive Compensation Plans - Additional Information (Detail) false false R62.htm 163 - Disclosure - Partners' Capital, Equity and Incentive Compensation Plans - Summary of Award Activity Under 2013 and 2010 Equity Incentive Plans and Related Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosurePartnersCapitalEquityAndIncentiveCompensationPlansSummaryOfAwardActivityUnder2013And2010EquityIncentivePlansAndRelatedInformation Partners' Capital, Equity and Incentive Compensation Plans - Summary of Award Activity Under 2013 and 2010 Equity Incentive Plans and Related Information (Detail) false false R63.htm 164 - Disclosure - Partners' Capital, Equity and Incentive Compensation Plans - Summary of Assumptions and Fair Values for Class O Units, Class RS Units, Restricted Stock and Options to Purchase Shares of Class A Common Stock Granted (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosurePartnersCapitalEquityAndIncentiveCompensationPlansSummaryOfAssumptionsAndFairValuesForClassOUnitsClassRSUnitsRestrictedStockAndOptionsToPurchaseSharesOfClassACommonStockG_Xa Partners' Capital, Equity and Incentive Compensation Plans - Summary of Assumptions and Fair Values for Class O Units, Class RS Units, Restricted Stock and Options to Purchase Shares of Class A Common Stock Granted (Detail) false false R64.htm 165 - Disclosure - Partners' Capital, Equity and Incentive Compensation Plans - Summary of Information About Awards Outstanding (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosurePartnersCapitalEquityAndIncentiveCompensationPlansSummaryOfInformationAboutAwardsOutstanding Partners' Capital, Equity and Incentive Compensation Plans - Summary of Information About Awards Outstanding (Detail) false false R65.htm 166 - Disclosure - Related Party Transactions - Summary of Related Party Transactions (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureRelatedPartyTransactionsSummaryOfRelatedPartyTransactions Related Party Transactions - Summary of Related Party Transactions (Detail) false false R66.htm 167 - Disclosure - Employee Benefit Plan - Additional Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureEmployeeBenefitPlanAdditionalInformation Employee Benefit Plan - Additional Information (Detail) false false R67.htm 168 - Disclosure - Noncontrolling Interest - Additional Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureNoncontrollingInterestAdditionalInformation Noncontrolling Interest - Additional Information (Detail) false false R68.htm 169 - Disclosure - Earnings Per Share - Summary of Basic and Diluted Earnings Per Share (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureEarningsPerShareSummaryOfBasicAndDilutedEarningsPerShare Earnings Per Share - Summary of Basic and Diluted Earnings Per Share (Detail) false false R69.htm 170 - Disclosure - Earnings Per Share - Summary of Basic and Diluted Earnings Per Share (Parenthetical) (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureEarningsPerShareSummaryOfBasicAndDilutedEarningsPerShareParenthetical Earnings Per Share - Summary of Basic and Diluted Earnings Per Share (Parenthetical) (Detail) false false R70.htm 171 - Disclosure - Operating Leases, as Lessee - Additional Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureOperatingLeasesAsLesseeAdditionalInformation Operating Leases, as Lessee - Additional Information (Detail) false false R71.htm 172 - Disclosure - Operating Leases, as Lessee - Future Non-cancellable Minimum Rental Payments Required Under Operating Leases and/or Licenses (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureOperatingLeasesAsLesseeFutureNoncancellableMinimumRentalPaymentsRequiredUnderOperatingLeasesAndorLicenses Operating Leases, as Lessee - Future Non-cancellable Minimum Rental Payments Required Under Operating Leases and/or Licenses (Detail) false false R72.htm 173 - Disclosure - Customer Leases, as Lessor - Future Minimum Lease Payments to be Received Under Non Cancelable Operating Customer Leases (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureCustomerLeasesAsLessorFutureMinimumLeasePaymentsToBeReceivedUnderNonCancelableOperatingCustomerLeases Customer Leases, as Lessor - Future Minimum Lease Payments to be Received Under Non Cancelable Operating Customer Leases (Detail) false false R73.htm 174 - Disclosure - Quarterly Financial Information (unaudited) - Summary of Selected Quarterly Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureQuarterlyFinancialInformationunauditedSummaryOfSelectedQuarterlyInformation Quarterly Financial Information (unaudited) - Summary of Selected Quarterly Information (Detail) false false R74.htm 175 - Disclosure - Subsequent Events - Additional Information (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureSubsequentEventsAdditionalInformation Subsequent Events - Additional Information (Detail) false false R75.htm 176 - Disclosure - Schedule III - Real Estate Investments (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureScheduleIIIRealEstateInvestments Schedule III - Real Estate Investments (Detail) false false R76.htm 177 - Disclosure - Schedule III - Real Estate Investments - Summary of Historical Cost and Accumulated Depreciation (Detail) Sheet http://www.qualitytech.com/taxonomy/role/DisclosureScheduleIIIRealEstateInvestmentsSummaryOfHistoricalCostAndAccumulatedDepreciation Schedule III - Real Estate Investments - Summary of Historical Cost and Accumulated Depreciation (Detail) false false All Reports Book All Reports Element us-gaap_AmortizationOfFinancingCosts had a mix of decimals attribute values: -5 -3. Element us-gaap_CommonStockSharesAuthorized had a mix of decimals attribute values: -4 0. Element us-gaap_InterestExpense had a mix of decimals attribute values: -5 -3. Element us-gaap_PaymentsToAcquireAndDevelopRealEstate had a mix of decimals attribute values: -4 -3. 'Monetary' elements on report '143 - Disclosure - Summary of Significant Accounting Policies - Additional Information 2 (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '146 - Disclosure - Acquisitions of Real Estate - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '160 - Disclosure - Interest Rate Derivative Instruments - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '175 - Disclosure - Subsequent Events - Additional Information (Detail)' had a mix of different decimal attribute values. Process Flow-Through: 103 - Statement - Balance Sheets Process Flow-Through: Removing column 'Oct. 14, 2013' Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: 104 - Statement - Balance Sheets (Parenthetical) Process Flow-Through: Removing column 'Sep. 30, 2013' Process Flow-Through: 105 - Statement - Statements of Operations and Comprehensive Income (Loss) Process Flow-Through: Removing column '0 Months Ended Oct. 14, 2013' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2012' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2011' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2013 Historical Predecessor [Member]' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2013 Historical Predecessor [Member]' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2013 Historical Predecessor [Member]' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2012 Historical Predecessor [Member]' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2012 Historical Predecessor [Member]' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2012 Historical Predecessor [Member]' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2012 Historical Predecessor [Member]' Process Flow-Through: 107 - Statement - Statements of Cash Flows Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2012' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2011' qts-20131231.xml qts-20131231.xsd qts-20131231_cal.xml qts-20131231_def.xml qts-20131231_lab.xml qts-20131231_pre.xml true true