GNL


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted
us-gaap:GranteeStatus, us-gaap:PlanName, us-gaap:StatementEquityComponents
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:PlanName

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:CreditFacility
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
us-gaap:Restatement

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:Revenues

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:Cash

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:Land

us-gaap:AmortizationOfIntangibleAssets

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:Currency, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:LongTermDebt
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:Restatement

us-gaap:MinorityInterest
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:AmortizationOfFinancingCosts

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:StatementGeographical, us-gaap:SubsequentEventType
us-gaap:PaymentsToAcquireRealEstate
us-gaap:SubsequentEventType

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:Currency, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:DeferredTaxAssetsValuationAllowance

gnl:AcquisitionTransactionAndOtherCosts

gnl:AmortizationOfOperatingLeaseRightOfUseAssets

gnl:AmortizationofAboveMarketLeaseAssets

gnl:AmortizationofBelowMarketLeaseLiabilities

gnl:BusinessAcquisitionCostOfAcquiredEntityCashPaidInPeriod
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
gnl:BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsAcquiredinPeriod
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
gnl:BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleLiabilityAcquiredinPeriod

gnl:BusinessAcquisitionPurchasePriceAllocationBuildingsFixturesAndImprovementsAcquiredInPeriod

gnl:BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsAcquiredInPeriod

gnl:BusinessAcquisitionPurchasePriceAllocationLandAcquiredInPeriod

gnl:BusinessAcquisitionPurchasePriceAllocationRightOfUseAssetsAcquiredInPeriod

gnl:BusinessAcquisitionPurchasePriceAllocationTangibleAssetsAcquiredInPeriod
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
gnl:DebtInstrumentCollateralNumberOfLeasedOfficesAndIndustrialProperties
us-gaap:Currency, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType
gnl:DebtInstrumentFixedInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument
us-gaap:Currency, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType
gnl:DebtInstrumentVariableInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument

gnl:DecreaseinDeferredIncomeTaxes
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DerivativeInstrumentRisk
gnl:DerivativeInstrumentGainLossOnTermination
us-gaap:StatementGeographical
gnl:EntityWideRevenueMajorStatePercentage

gnl:IncreaseinDeferredIncomeTaxes

gnl:LeaseIncentivePayment

gnl:OperatingIncomeBeforeLossGainonDispositionsofRealEstateInvestments
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock
gnl:PaymentsOfStockIssuanceCostsCommissions
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
gnl:ProceedsFromIssuanceOfDebtNet
us-gaap:StatementGeographical, us-gaap:SubsequentEventType
gnl:RealEstateAcquisitionCosts
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock
gnl:SaleOfStockConsiderationReceivedPerTransactionGross
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock
us-gaap:PlanName
gnl:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedValue

gnl:UnrealizedGainLossonForeignCurrencyTransactionDerivativesandOther

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfLeaseIncentives

us-gaap:AssetImpairmentCharges

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CostsAndExpensesRelatedParty

us-gaap:CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRedemptionPricePercentage

us-gaap:Depreciation

us-gaap:DepreciationAndAmortization

us-gaap:DilutiveSecuritiesEffectOnBasicEarningsPerShareOther

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment
us-gaap:StatementClassOfStock
us-gaap:DividendsCommonStock
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:DividendsPreferredStock
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:AwardType
us-gaap:DividendsShareBasedCompensation

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:GainLossOnDerivativeInstrumentsNetPretax
us-gaap:HedgingDesignation

us-gaap:GainLossOnSaleOfProperties

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInDeferredLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
us-gaap:RelatedPartyTransaction
us-gaap:LeasingCommissionsExpense

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments
us-gaap:DerivativeInstrumentRisk
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax
us-gaap:DebtInstrument
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:PaymentsForDepositsOnRealEstateAcquisitions

us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsOfDividendsMinorityInterest
us-gaap:AwardType
us-gaap:StatementClassOfStock
us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfFinancingCosts
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock
us-gaap:PaymentsOfStockIssuanceCosts
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock
us-gaap:StatementClassOfStock

us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment

us-gaap:PaymentsToAcquireOtherRealEstate
us-gaap:StatementClassOfStock
us-gaap:ProceedsFromIssuanceOfCommonStock
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:ProceedsFromIssuanceOfDebt
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:StatementClassOfStock
us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromSecuredNotesPayable
us-gaap:CreditFacility
us-gaap:RepaymentsOfDebt
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:CreditFacility, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:CreditFacility, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfSecuredDebt
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock
us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueConversionOfUnits

us-gaap:StockOptionPlanExpense

us-gaap:StraightLineRent

dei:EntityCommonStockSharesOutstanding
us-gaap:CreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
gnl:AdditionalLetterOfCreditOutstandingAmount

gnl:CashUninsuredAmountEuropeanDepositInsuranceCompanies

gnl:CashUninsuredAmountFSCS
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock
gnl:CommonStockValueSharesAuthorized
us-gaap:LongtermDebtType
gnl:GuarantyLiabilitiesAmountReturned

gnl:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
gnl:LineofCreditFacilityAccordionFeatureIncreaseLimit
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

gnl:OffMarketLeasesUnfavorableNetOfAccumulatedAmortization

gnl:OffmarketLeaseUnfavorableAccumulatedAmortization
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
gnl:PortfolioStrategyPercentageOfPortfolioInvestments
us-gaap:StatementGeographical
us-gaap:StatementGeographical
gnl:PortfolioStrategyTargetGeographicMixPercentageOfPortfolioInvestments

gnl:RealEstateInvestmentsAcquiredIntangibleAssetsTotal

gnl:RealEstatePropertyOccupancyRate

gnl:RealEstateandAccumulatedDepreciationUnencumberedAssets
us-gaap:CreditFacility

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AreaOfRealEstateProperty
gnl:RealEstatePropertyAcquisitions
gnl:RealEstatePropertyAcquisitions, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:BelowMarketLeaseAccumulatedAmortization

us-gaap:BelowMarketLeaseGross

us-gaap:BelowMarketLeaseNet

us-gaap:CashUninsuredAmount
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentAnnualPrincipalPayment
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNet
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredRevenueLeasesGross
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAssetNotionalAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:DerivativeAssets
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:DerivativeFairValueAmountOffsetAgainstCollateralNet

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeLiabilities

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DerivativeNetLiabilityPositionAggregateFairValue
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

us-gaap:DevelopmentInProcess

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:DueFromAffiliates
dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DueToAffiliateCurrentAndNoncurrent
gnl:RelatedPartyTransactionsByCost
gnl:RelatedPartyTransactionsByCost, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AwardType, us-gaap:PlanName
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:PlanName
us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:PlanName
us-gaap:EquityFairValueDisclosure

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ForeignCurrencyExchangeRateTranslation1

us-gaap:IncentiveToLessee
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
us-gaap:InterestRateDerivativeAssetsAtFairValue
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
us-gaap:InterestRateDerivativeLiabilitiesAtFairValue
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:InterestRateDerivativesAtFairValueNet
us-gaap:Currency, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:InvestmentBuildingAndBuildingImprovements

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

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:SubsequentEventType
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:LineOfCredit
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:Currency, us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
us-gaap:Currency, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType
us-gaap:LongTermDebtPercentageBearingFixedInterestRate
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:Currency, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType
us-gaap:LongTermDebtPercentageBearingVariableInterestRate
us-gaap:DebtInstrument
us-gaap:LongtermDebtWeightedAverageInterestRate
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
dei:LegalEntity, us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent

us-gaap:OffMarketLeaseUnfavorable
us-gaap:StatementClassOfStock
us-gaap:PreferredStockValue

us-gaap:PrepaidExpenseAndOtherAssets

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAtCost
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:RealEstateInvestmentPropertyNet
gnl:RelatedPartyTransactionByFrequency, gnl:RelatedPartyTransactionsByCost, gnl:RelatedPartyTransactionsByCostStatus
us-gaap:RelatedPartyTransactionDueFromToRelatedParty
gnl:RelatedPartyTransactionsByCostStatus

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements

us-gaap:SecuredDebt

us-gaap:SeniorNotes
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:PlanName, us-gaap:SubsequentEventType

us-gaap:TaxBasisOfInvestmentsCostForIncomeTaxPurposes

us-gaap:UnsecuredDebt
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:Currency, us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Liability
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Deferred Income Tax Assets Net
Liabilities
Dividends Payable Current And Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Profit Loss
Shares
Weighted Average Number Of Diluted Shares Outstanding
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
us-gaap:CommonStockValue ██████████▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▃▁▁▁▁▁▁▁▁▁2.3352.2862.2272.2272.2252.2252.2252.2252.1692.1692.0912.0512.0032.0032.0032.0032.0031.991.991.7051.6921.6921.6921.6921.6921.7991.7821.7621.7230.6920.1570.0880.050.010.0030.00.00.00.0NA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▇▆▆▆▆▇▆▅▅▃▂▁▁96.38622991.47949789.48257789.48257790.10270989.49929490.7767986.20258285.16554982.79843274.0012569.44163967.29202167.287231NA67.286615NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▇▆▆▆▆▆▅▅▄▃▂▁▁96.38622991.47949789.48257789.48257789.47011489.45875389.45838185.25463883.8471281.47461573.55413769.44163967.29202167.287231NA67.286615NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█1.0742522.728608NA2.6214051.9672962.55493NA1.6881741.3184291.323817NA2.1573610.0467673.063045NA3.063463.0495993.246203NA9.76690210.99808511.039417NA11.0394171.8096781.743745NA0.177519NA0.079406NANANA0.009022NANANANANANA
us-gaap:EarningsPerShareBasic ▁█-0.14-0.01NANA0.010.05NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareDiluted ▁█-0.14-0.01NANA0.010.05NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasicAndDiluted NANA-0.15-0.010.010.050.10.080.150.07-0.090.00.080.030.090.030.080.110.090.050.090.040.070.03-0.250.14-0.03-0.14-0.07-0.43-0.23-0.44-0.470.0-1.35NANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:GranteeStatus,us-gaap:PlanName,us-gaap:StatementEquityComponents us-gaap:ShareBasedPaymentArrangementNonemployee,gnl:A2018And2021MultiYearOutperformancePlan,us-gaap:NoncontrollingInterest2.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName gnl:RestrictedSharePlan█▃▃▁▃▁▃▁0.40.20.20.10.20.10.20.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▄▄▄▄▃▃█▄▅▄▂▄▃▆▅▅▅▅▅▅▅▄▅▄▁▆▃▂▃▂▄▄▄▄▄▄▄▄▄▄0.994.980.426-0.711-4.948-14.66444.076-3.7768.425-0.473-17.036-1.837-10.18917.50716.32713.91115.89910.73614.519.50311.825-1.74412.7860.215-32.13518.855-10.349-25.188-6.006-17.963-2.139-3.394-1.1160.022-0.299-0.093-0.063-0.001-0.0160.0
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▄▅▄▄▄▃█▄▅▄▃▄▃▆▅▅▅▅▅▅▅▄▅▄▁▅▃▂6.0069.9965.2083.933-0.384-10.10147.744-0.69511.1322.012-14.5820.618-7.73419.95818.72414.315.91510.76414.6459.5911.952-1.76213.160.175-32.39218.855-10.349-25.188NANANANANANANANANANANANA
us-gaap:CostsAndExpenses █▆▅▃▃▃▁▄▂70.59163.61561.91656.70856.65155.43350.40160.36351.889NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA-3.2920.0-0.309NA0.379-0.563-0.765NA0.0-2.612-1.285NA0.00.0NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:CreditFacility gnl:TermLoanFacilityNANA-1.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty,us-gaap:LineOfCreditFacility,us-gaap:LongtermDebtType gnl:WhirlpoolCorporationProperties,gnl:BOKFinancial,us-gaap:MortgagesNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ███▅▇▆▃▆▅▆▅▆▅▄▅▅▄▄▄▄▄▄▄▄▄▄▃▂▄▃▁▁▁▁▁▁▁▁▁▁4.2014.1284.252.6413.4122.9611.3343.252.3183.2062.6173.2152.5562.0512.3572.4682.0531.771.811.7141.881.7041.5372.0141.8921.7471.0610.7421.5350.9760.0240.0190.0110.0040.0260.0930.0630.0010.0160.0
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▆▆▅▆▆▆▇▆▇▆▅▆▆▆▆▆▆▆▇▆▇▆▇▆▁█▅▃4.5186.264-6.0385.0046.22110.5614.58310.88116.1089.236-4.6563.1628.9435.8829.4133.2475.718.35619.0659.46416.3627.10814.6926.191-44.50427.495-7.667-24.628NANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇▇▇▅▅▅▆▅▅▅▄▅▆▆▅▅▅▅█▅▅▅▇▅▆▆▁▄▅▄1.932.082.4570.8620.6910.9591.6520.940.780.96-0.3660.531.21.070.90.80.50.9062.9940.4480.430.552.2430.7031.3031.64-2.459-0.070.6580.0NANANANANANANANANANA
us-gaap:InterestExpense █▇▇▆▆▆▆▆▆▅▆▅▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▂▂▁▁▁▁▁▁▁▁▁24.01821.36819.15818.67717.52916.4417.19416.15415.68915.16215.47915.10414.41512.97512.80612.47911.63411.5319.0048.91410.63410.56910.0659.0417.9477.8116.4674.0812.6141.6890.5560.3480.0520.0130.010.00.00.0NANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▅▅▄▅▆▆▆▆▇▆▅▅▆▆▆▆▆▆▇▆▇▆▇▆▁█▅▃-2.428-0.832-13.277-0.5020.9665.0389.2636.8612.6215.791-6.7440.1775.2882.3615.9982.1045.27.42915.9468.94315.7636.48812.3125.432-45.66425.855-5.208-24.558NANANANANANANANANANANANA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:Restatement srt:RevisionOfPriorPeriodErrorCorrectionAdjustmentNANANA-2.6-1.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▄▅▄▅▆▆▆▆▇▆▅▅▆▆▆▆▆▆▇▆▇▆▇▆▁█▅▃-13.172-0.985-13.379-0.6040.8374.9039.1136.68412.4475.631-6.907-0.1395.2622.1775.8121.9185.0157.24415.7518.75315.576.29312.1195.183-45.66425.855-5.208-24.558NANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▂▃▁▃▃▄▃▄▄▄▅▃▄▄▄▄▃▄█▅▆▄▅▅▂▇▆▆▆▆▆▆▆▆▆▆▆-24.448-19.511-31.164-20.999-18.084-13.249-20.525-13.675-15.045-14.842-7.32-18.207-11.935-15.942-14.429-15.239-17.735-11.91911.024-5.756-2.544-11.007-6.795-5.294-24.0216.775-3.126-3.821-2.763-1.754-0.555-0.331-0.034-0.013-0.010.00.0NANANA
us-gaap:OperatingIncomeLoss ▇▇▇▇▇▇█▇█▇▄▆▆▆▇▆▇▆▅▆▆▆▆▅▁▆▃▁▃▂▃▃▄▄▄▄▄▄28.96625.77525.12626.00324.30523.80935.10824.55631.15324.0782.66421.36920.87821.82423.84218.48623.44520.2758.04115.2218.90618.11521.48711.485-21.78619.08-2.082-20.737-4.716-14.595-2.048-2.759-1.260.011-0.246-0.093-0.063-0.001NANA
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax ▆█▆▅▃▁█▃▃▂▄▆▆1.5343.7951.6470.036-3.387-7.1524.45-3.031-3.908-4.941-2.551.7211.401NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▄▄▅▃▃▂█▂▃▃▂▃▁▅▅▅▅▄▃▃▃▄▃▄▅▁▂▂1.8842.01712.056-0.245-2.527-12.5530.363-7.605-0.288-1.323-7.742-3.735-16.87810.88.0519.1039.0971.703-6.173-0.188-0.2012.996-0.5180.83611.079-14.534-9.455-7.269NANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▄▄▅▄▃▁█▂▃▃▂▃▂▅▅▅▅▄▃▄▃▂▄▃▅▄▄▃▄▃▄▃3.4185.81213.703-0.209-5.914-19.70234.813-10.636-4.196-6.264-10.292-2.014-15.47715.14610.27511.81310.7153.314-1.4260.574-3.98-8.320.711-5.31313.4157.5346.849-0.631.476-1.6140.464-0.304NANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▅▄▄▇▅▄█▃▄▃▁▄▄▃▃▃▃▃▃▃▃▃▅▃0.0840.0150.0280.1420.0710.0480.195-0.0020.0190.004-0.090.0440.0120.0110.010.0020.0030.007-0.0010.0040.0080.0090.064-0.01NANANANANANANANANANANANANANANANA
us-gaap:PreferredStockDividendsIncomeStatementImpact ███▇▇▇▆▅▅▄▄▄▄▄▄▂▁▁▁▁5.0165.0164.7824.6444.5644.5633.6683.0812.7072.4852.4542.4552.4552.4512.4510.3830.00.00.00.0NANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▆▆▅▆▆▆▇▆▇▆▅▆▆▆▆▆▆▆▇▆▇▆▇▆▁█▅▃▅2.5884.184-8.4954.1425.539.60112.9319.94115.3288.276-4.292.6327.7434.8128.4492.4875.27.4516.0719.01615.9326.55812.4495.488-45.80725.855-5.208-24.558-7.479NANANANANANANANANANANA
us-gaap:Revenues █▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▄▅▄▃▂▂▁▁▁▁▁▁▁▁▁▁99.56489.3987.04282.71181.10979.24276.68577.94276.11975.46871.22671.92470.97168.08666.60264.8764.98662.83752.77353.25153.19654.95456.04350.25249.06849.96942.2225.90213.6287.5472.4741.2320.20.0450.030.00.00.00.00.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
us-gaap:Assets ███▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▂▁▁▁▁▁▁▁▁▁4241.0164043.8573967.0143824.4713792.9923815.3533701.6053608.5993494.7593323.7613309.4783217.0583111.0853133.1223038.5952953.3012932.9772897.6362891.4672406.2232436.3062501.332547.9682562.2382393.7612390.8892428.7971965.4621762.673819.992214.927107.47850.8619.2492.9330.0670.0290.870.559NA
us-gaap:Liabilities █▇█▇▇▇▆▆▆▆▆▆▆▆▅▅▅▅▅▄▄▅▅▅▄▄▄▂▂▂▁▁▁▁▁2588.4172396.6282412.7352242.5722181.4372165.3961991.6471983.2521949.1321786.1991880.7321811.1121762.4881738.6271624.3521551.6551605.3981566.4181535.4861255.4251265.8871312.4251327.8491325.0421127.694970.5261012.128523.779293.563248.67592.20740.20212.4963.7373.729NANANA0.375NA
us-gaap:LiabilitiesAndStockholdersEquity ███▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▂▁▁▁▁▁▁▁▁▁4241.0164043.8573967.0143824.4713792.9923815.3533701.6053608.5993494.7593323.7613309.4783217.0583111.0853133.1223038.5952953.3012932.9772897.6362891.4672406.2232436.3062501.332547.9682562.2382393.7612390.8892428.7971965.4621762.673819.992214.927107.47850.8619.2492.9330.0670.0290.870.559NA
us-gaap:StockholdersEquity ██▇▇████▇▇▇▇▇▇▇▇▆▆▇▆▆▆▆▆▆▇▇▇▇▃▂▁▁▁▁▁▁▁▁1651.1761623.1111532.5191562.4971594.5111635.2711697.6311615.3791538.0181532.3111425.4881404.0231348.5971394.371413.1661399.4351324.7011323.5551347.7781143.6881155.6491173.7481205.3931221.8341252.6391420.3631416.6691441.6831469.11571.317122.7267.27638.3655.512-0.796-2.0181.4170.1830.184NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
us-gaap:Cash NANA124.2NANANA270.3NANANA100.324NANANA102.42571.30167.41172.35469.850.27340.50145.78769.932.0861.64276.32964.684263.948936.544280.37811.514.58328.0716.3590.2620.00.00.00.00.0
us-gaap:CashAndCashEquivalentsAtCarryingValue ▄▆▂▇▇█▆▇▄▂▂▃▂▂▂▁▁▁174.862262.868124.245300.0316.824343.447270.302305.962178.72295.267100.324155.18893.326106.733102.42571.30167.41172.354NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▄▆▂▇▇█▆▇▄▂▂▃▂▂▂▁▁▁▁176.915264.22125.693300.808317.582347.802274.287309.912191.67598.635103.693158.67996.199109.423107.72776.61572.5577.50377.328NANANA73.257NANANA70.788NANANANANANANANANANANANANA
us-gaap:Land █▆▇▄▄▄▃▁▁▂▂▂▂498.917474.538476.599443.555434.306429.16414.446388.269389.589400.559398.911411.339408.178NA402.318NANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
us-gaap:AmortizationOfIntangibleAssets ██▇▇▇▇▅▇█▇▆▇▇▇▆▇▆▆▅▅▆▆▆▅▅▅▄▄▂▂▁▁▁▁▁▁▁▁16.20717.22314.89814.62814.28114.2710.89914.27216.99814.5713.38213.93513.7713.64613.23814.78412.80712.83410.84211.0111.1211.1511.1710.53610.48510.238.0476.173.3591.9550.7680.4230.0710.0130.0090.00.00.0NANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA392.639NANANA401.367NANANA457.803NANANA464.15NANANA482.327NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:AboveMarketLeasesNANA16.166NANANA18.829NANANA27.029NANANA33.635NANANA33.773NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:LeasesAcquiredInPlaceNANA376.473NANANA382.538NANANA401.287NANANA398.612NANANA419.472NANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill █████▇█▇█████████▅▅▁▁▁▁▁▁▁▁22.65523.08923.08922.49221.94321.68821.9221.59522.09821.92522.1822.35722.44323.15122.77122.58822.15413.40813.9313.0713.0423.1112.9883.393.3453.2723.665NANANA0.0NANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▆▆█▆▁▁▂▁▃▂56.00755.78258.39556.22949.4548.86850.21149.27451.650.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
 us-gaap:LongTermDebt us-gaap:Currency,us-gaap:DebtInstrument,us-gaap:LineOfCreditFacility,us-gaap:LongtermDebtType currency:EUR,gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility,gnl:KeyBankNationalAssociation,us-gaap:UnsecuredDebt▂▂▂▆▆██▅▃▃▃▃▁▁▁252.075252.075252.075384.551384.551434.551434.551359.551276.481276.481276.481276.481224.637224.637224.637NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:Currency,us-gaap:DebtInstrument,us-gaap:LineOfCreditFacility,us-gaap:LongtermDebtType currency:GBP,gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility,gnl:KeyBankNationalAssociation,us-gaap:UnsecuredDebt52.0NANA40.040.040.040.040.040.040.040.040.040.040.040.0NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:Currency,us-gaap:DebtInstrument,us-gaap:LineOfCreditFacility,us-gaap:LongtermDebtType currency:USD,gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility,gnl:KeyBankNationalAssociation,us-gaap:UnsecuredDebt▂▂▂▄▆▆▁▁▄▄▆██▅▄90.0120.0105.0183.211267.211267.21162.21152.211174.625174.625278.625368.625371.0249.0209.0NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LineOfCreditFacility,us-gaap:LongtermDebtType gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility,gnl:KeyBankNationalAssociation,us-gaap:UnsecuredDebt▂▁▁▆▇█▄▂▃▃▅▇▆▄▃459.074413.036411.286681.081743.547789.663596.964491.29536.93533.823642.621738.019683.39578.806528.814NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredFinanceCostsNoncurrentNet ▄▄▅▅▅▆▆█▃▄▄▄▄▄▄▄▁▁▁▃▁▂▆▇▇▇█6.4997.2697.8788.6529.41610.17710.93814.6525.095.7046.3116.9325.8336.546.7747.4120.320.6261.0923.8160.5382.46411.85513.78512.70612.92815.27NANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁▂▂█▇▆█11.69912.15712.15715.14614.55914.28914.975NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁█▇▇▆▅▅▄▃▃▂▂▁▁▁▂▂▃▃▃▅▅▅▅▅1.42324.11821.7619.40217.04414.68612.3279.9687.6095.2513.2581.9230.00.1251.0772.2112.8787.6638.2037.1114.7715.15714.72615.36213.428NA0.0NANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▃▁█▁1.4641.4461.511.445NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▃▂█▁1.4681.451.511.445NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▄▂█▁1.4731.4551.5141.45NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive 1.474NA1.519NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive 39.48NA42.217NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
us-gaap:StockholdersEquity ██▇▇████▇▇▇▇▇▇▇▇▆▆▇▆▆▆▆▆▆▇▇▇▇▃▂▁▁▁▁▁▁▁▁1651.1761623.1111532.5191562.4971594.5111635.2711697.6311615.3791538.0181532.3111425.4881404.0231348.5971394.371413.1661399.4351324.7011323.5551347.7781143.6881155.6491173.7481205.3931221.8341252.6391420.3631416.6691441.6831469.11571.317122.7267.27638.3655.512-0.796-2.0181.4170.1830.184NA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▇▇▆▆▇▇█▇▆▆▄▄▃▄▄▄▃▃▄▁▁▁▂▂▂1652.5991647.2291554.2791581.8991611.5551649.9571709.9581625.3471545.6271537.5621428.7461405.9461348.5971394.4951414.2431401.6461327.5791331.2181355.9811150.7981170.4191188.9051220.1191237.1961266.067NA1416.669NANANA122.72NANANA-0.796NANANANANA
us-gaap:CommonStockValue ██████████▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▃▁▁▁▁▁▁▁▁▁2.3352.2862.2272.2272.2252.2252.2252.2252.1692.1692.0912.0512.0032.0032.0032.0032.0031.991.991.7051.6921.6921.6921.6921.6921.7991.7821.7621.7230.6920.1570.0880.050.010.0030.00.00.00.0NA
us-gaap:AdditionalPaidInCapital ██▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▃▁▁▁▁▁▁▁▁▁2616.3832540.5222418.6592413.1172408.5272408.4522408.3532322.4192196.1832183.8292031.9811954.2641859.991859.7461860.0581826.2361729.5961708.871708.5411488.9961480.3761480.2811480.1621479.8791480.5851591.7781575.5921558.5091529.345606.345133.59274.01740.4816.048-0.311-1.8451.3370.20.2NA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▁▂▂▂▂▃▃▃▃▄▄▄▄▅▅▅▅▆▆▆▆▆▆▆▇▇▇███████-984.958-933.695-896.547-847.322-810.923-776.002-733.245-694.714-656.411-653.956-615.448-569.448-532.566-502.026-468.396-437.962-404.209-373.917-346.058-331.754-310.6-296.344-272.812-255.46-230.578-160.625-155.116-118.14-62.139-34.425-11.348-6.684-2.325-0.527-0.445NANANA-0.016NA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▆▅▄▃▃▃▆▁▃▃▄▆▆█▆▅▃▁▁▁▁▂▃▃▃▂▃▃▃▃▃17.30313.8858.073-5.63-5.4210.49320.195-14.618-3.9820.2146.8117.10219.11634.59319.4479.118-2.689-13.388-16.695-15.259-15.819-11.881-3.649-4.2770.94-12.589-5.589-0.4480.181-1.2950.319NANANANANANANANANA
us-gaap:MinorityInterest ▁█▇▇▆▅▅▄▃▃▂▂▁▁▁▂▂▃▃▃▅▅▅▅▅1.42324.11821.7619.40217.04414.68612.3279.9687.6095.2513.2581.9230.00.1251.0772.2112.8787.6638.2037.1114.7715.15714.72615.36213.428NA0.0NANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock us-gaap:CommonStock▁█50.259105.75NANA-0.099-0.106-0.182108.0180.388150.198NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock us-gaap:PreferredStockNA15.959NA4.524NA0.076NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:CommonStock,us-gaap:AdditionalPaidInCapital▁█50.233105.691NANA-0.099-0.106-0.182107.9620.388150.12NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:CommonStock,us-gaap:CommonStock▁█0.0260.059NANANANANANANA0.078NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:CommonStock,us-gaap:Parent▁█50.259105.75NANA-0.099-0.106-0.182108.0180.388150.198NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:PreferredStock,us-gaap:AdditionalPaidInCapitalNA15.953NA4.522NA0.076NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:PreferredStock,us-gaap:ParentNA15.959NA4.524NA0.076NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:SeriesBPreferredStock,us-gaap:PreferredStock▁█▃▃0.00.0060.0020.002NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders █▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁10.6960.1030.1040.1030.0770.1570.1370.1350.1360.1340.1370.290.00.1580.1650.1590.160.2550.2610.4050.4840.4830.483NANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃█▇▇▇▇▇▅▇▅▇▆▆▇▆▆▆▆▅▆▆▅▆▅▄▆▂▃▄▁▃▃▃▃▃▃▃▃▃▃4.67853.2240.52346.61447.81941.89548.1526.60546.49324.75141.233.70929.01140.67728.45433.58436.18832.72824.34730.13431.78328.1335.75421.9649.94834.489-10.0451.12116.124-16.893-0.303-1.316-1.2890.206-0.193-0.164-0.044-0.0170.00.0
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▇▅▇▇▆▆▇▆▇▆▇▆▇▇▇▇▇█▇▇▇▇▆▇▇▆▁▅▆▇▇▇▇▇▇-265.339-4.447-292.129-31.347-31.104-115.947-112.274-46.711-108.849-26.642-206.927-82.951-97.053-71.015-63.7273.14-0.153-18.238120.93313.414-0.086-0.114-0.254-183.19-8.578-30.257-108.558-889.049-299.572-219.996-58.831-44.068-9.5460.0-1.3570.0NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▂▂▂▁▃▂▃▃▂▃▃▂▂▂▂▂▂▁▂▂▁▂▃▂▂▁▃█▅▂▂▂▂▂▂▂▂▂▂171.9292.75271.231-33.963-50.127153.5393.93142.929150.7572.387108.085111.73559.80132.57159.806-34.856-42.61-12.997-119.936-33.537-35.577-51.8284.705135.687-26.6747.886-89.808231.054936.843504.81855.30230.29732.7185.8921.8020.1640.0440.0170.00.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
us-gaap:AmortizationOfFinancingCosts █▇▇▇▆▆▆▆▄▆▅▅▅▄▅▄▄▃▄▄███▇▇▆▆▄▂▂▁▁▁▁▁▁▁▁2.3952.2792.0772.0751.8471.811.7891.9061.1771.7421.4551.3381.4990.9011.3991.1980.9430.880.9290.9512.3932.4252.4712.141.9951.9211.7211.2260.4980.3080.1450.0970.0060.0020.0010.00.00.0NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃█▇▇▇▇▇▅▇▅▇▆▆▇▆▆▆▆▅▆▆▅▆▅▄▆▂▃▄▁▃▃▃▃▃▃▃▃▃▃4.67853.2240.52346.61447.81941.89548.1526.60546.49324.75141.233.70929.01140.67728.45433.58436.18832.72824.34730.13431.78328.1335.75421.9649.94834.489-10.0451.12116.124-16.893-0.303-1.316-1.2890.206-0.193-0.164-0.044-0.0170.00.0
us-gaap:ProfitLoss ▆▆▅▆▆▆▇▆▇▆▅▆▆▆▆▆▆▆▇▆▇▆▇▆▁█▅▃▅2.5884.184-8.4954.1425.539.60112.9319.94115.3288.276-4.292.6327.7434.8128.4492.4875.27.4516.0719.01615.9326.55812.4495.488-45.80725.855-5.208-24.558-7.479NANANANANANANANANANANA
us-gaap:ShareBasedCompensation █▇▇▇▇▇▇▇▇▇▆▇▄▃▂▃▁▄▆▆▄▅▄▆▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄3.0072.5772.5852.4792.5132.4882.4912.5012.4292.1091.4512.053-0.023-0.832-1.177-0.391-2.2350.0161.3411.2930.071.044-0.091.7940.6060.0350.0080.0710.0220.0050.0080.0080.0040.0040.0040.0040.0030.00.00.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▇▅▇▇▆▆▇▆▇▆▇▆▇▇▇▇▇█▇▇▇▇▆▇▇▆▁▅▆▇▇▇▇▇▇-265.339-4.447-292.129-31.347-31.104-115.947-112.274-46.711-108.849-26.642-206.927-82.951-97.053-71.015-63.7273.14-0.153-18.238120.93313.414-0.086-0.114-0.254-183.19-8.578-30.257-108.558-889.049-299.572-219.996-58.831-44.068-9.5460.0-1.3570.0NANANANA
 us-gaap:PaymentsToAcquireRealEstate us-gaap:StatementGeographical,us-gaap:SubsequentEventType country:GB,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsToAcquireRealEstate us-gaap:StatementGeographical,us-gaap:SubsequentEventType gnl:UnitedStatesAndUnitedKingdom,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsToAcquireRealEstate us-gaap:SubsequentEventType us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▂▂▂▁▃▂▃▃▂▃▃▂▂▂▂▂▂▁▂▂▁▂▃▂▂▁▃█▅▂▂▂▂▂▂▂▂▂▂171.9292.75271.231-33.963-50.127153.5393.93142.929150.7572.387108.085111.73559.80132.57159.806-34.856-42.61-12.997-119.936-33.537-35.577-51.8284.705135.687-26.6747.886-89.808231.054936.843504.81855.30230.29732.7185.8921.8020.1640.0440.0170.00.0
us-gaap:PaymentsOfDividendsCommonStock ▆▆▆▆▆██▇▁▇▆▆▆▆▆▆▅▅▄▄▄▄▄▄▃▁▁38.13936.21335.84435.79335.78447.63847.63844.98814.88343.2739.09236.69135.82835.83336.14635.83435.46635.29330.2530.09730.01930.0229.66830.27823.51614.26813.78NANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Currency,us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty,us-gaap:LongtermDebtType currency:GBP,gnl:McLarenLoan,us-gaap:Mortgages6e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value2335000.02286000.02227000.02227000.02225000.02225000.02225000.02225000.02169000.02169000.02091000.02051000.02003000.02003000.02003000.02003000.02003000.01990000.01990000.01705000.01692000.01692000.01692000.01692000.01692000.01799000.01782000.01762000.01723000.0692000.0157000.088000.050000.010000.03000.00000
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-30
Value969189899089908685827469676767
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-30
Value969189898989898583817369676767
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-03-312013-03-31
Value1.0742522.7286082.6214051.9672962.554931.6881741.3184291.3238172.1573610.0467673.0630453.063463.0495993.2462039.7669021011111.8096781.7437450.1775190.0794060.009022
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

gnl:LongTermIncentivePlanUnits


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value0.7692312.554932.554931.9672962.554931.647231.2774651.2774652.1105940.03.0139333.0139333.0139333.0139339.0418019.0418019.0418019.0418010.00.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount71.693.697.5100.0100.097.696.996.597.80.098.498.498.892.892.682.281.981.90.00.00.0

us-gaap:RestrictedStock


Antidilutive
Period End2021-06-302021-03-312020-09-302019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-03-312013-03-31
Value0.2601130.1293560.0215260.0409440.0409640.0463520.0467670.0467670.0491120.0495270.0356660.0504290.1795710.1466060.1879380.1879380.00.01740.00720.01620.009
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount24.24.70.82.43.13.52.2100.01.61.61.21.61.81.31.71.70.01.04.120.499.8

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-06-302021-03-312020-09-302020-03-312019-09-30
Value0.0449080.0443220.0449490.0405410.040944
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount4.21.61.71.62.4

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.14-0.010.010.05
Percentage of EarningsPerShareBasic100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.14-0.010.010.05
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-0.15-0.010.010.050.10.080.150.07-0.0900.080.030.090.030.080.110.090.050.090.040.070.03-0.250.14-0.03-0.14-0.07-0.43-0.23-0.44-0.470-1.35
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:GranteeStatus, us-gaap:PlanName, us-gaap:StatementEquityComponents

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ShareBasedPaymentArrangementNonemployee, gnl:A2018And2021MultiYearOutperformancePlan, us-gaap:NoncontrollingInterest


Allocated
Period End2021-06-30
Value2600000.0
Percentage of AllocatedShareBasedCompensationExpense100.0
Percentage of Revenues2.6
Percentage of Revenues us-gaap:ShareBasedPaymentArrangementNonemployee gnl:A2018And2021MultiYearOutperformancePlan us-gaap:NoncontrollingInterest0.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName

gnl:RestrictedSharePlan


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value400000.0200000.0200000.0100000.0200000.0100000.0200000.0100000.0
Percentage of AllocatedShareBasedCompensationExpense15.40.00.00.00.00.00.00.0
Percentage of Revenues0.40.20.20.10.20.10.30.1
Percentage of Revenues gnl:RestrictedSharePlan0.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.994.980.426-0.711-4.948-14.66444-3.7768.425-0.473-17.036-1.837-10.1891716131510149.50311-1.744120.215-32.13518-10.349-25.188-6.006-17.963-2.139-3.394-1.1160.022-0.299-0.093-0.063-0.001-0.0160.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Revenues1.05.60.5-0.9-6.1-18.557.5-4.811.1-0.6-23.9-2.6-14.425.724.521.424.517.127.517.822.2-3.222.80.4-65.537.7-24.5-97.2-44.1-238.0-86.5-275.5-558.048.9-996.70.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value6.0069.9965.2083.933-0.384-10.10147-0.695112.012-14.5820.618-7.7341918141510149.5911-1.762130.175-32.39218-10.349-25.188
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues6.011.26.04.8-0.5-12.762.3-0.914.62.7-20.50.9-10.929.328.122.024.517.127.818.022.5-3.223.50.3-66.037.7-24.5-97.2

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value706361565655506051
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues70.971.271.168.669.870.065.777.468.2

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-30
Value-3292000.00-309000.0379000.0-563000.0-765000.00-2612000.0-1285000.000
Percentage of GainsLossesOnExtinguishmentOfDebt100.00.0100.0100.0100.0100.00.0100.0100.00.00.0
Percentage of Revenues-3.80.0-0.40.5-0.7-1.00.0-3.6-1.80.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:CreditFacility

gnl:TermLoanFacility


Gains
Period End2020-12-31
Value-1300000.0
Percentage of GainsLossesOnExtinguishmentOfDebt39.5
Percentage of Revenues0.0
Percentage of Revenues gnl:TermLoanFacility0.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

gnl:WhirlpoolCorporationProperties, gnl:BOKFinancial, us-gaap:Mortgages


Gains
Period End2020-07-10
Value-2000000.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.0
Percentage of Revenues0.0
Percentage of Revenues gnl:WhirlpoolCorporationProperties gnl:BOKFinancial us-gaap:Mortgages0.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value4.2014.1284.252.6413.4122.9611.3343.252.3183.2062.6173.2152.5562.0512.3572.4682.0531.771.811.7141.881.7041.5372.0141.8921.7471.0610.7421.5350.9760.0240.0190.0110.0040.0260.0930.0630.0010.0160.0
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Revenues4.24.64.93.24.23.71.74.23.04.23.74.53.63.03.53.83.22.83.43.23.53.12.74.03.93.52.52.911.312.91.01.55.58.986.70.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value4.5186.264-6.0385.0046.221101410169.236-4.6563.1628.9435.8829.4133.2475.718.356199.464167.108146.191-44.50427-7.667-24.628
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.57.0-6.96.07.713.319.014.021.212.2-6.54.412.68.614.15.08.813.336.117.830.812.926.212.3-90.755.0-18.2-95.1

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1930000.02080000.02457000.0862000.0691000.0959000.01652000.0940000.0780000.0960000.0-366000.0530000.01200000.01070000.0900000.0800000.0500000.0906000.02994000.0448000.0430000.0550000.02243000.0703000.01303000.01640000.0-2459000.0-70000.0658000.00
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Revenues1.92.32.81.00.91.22.21.21.01.3-0.50.71.71.61.41.20.81.45.70.80.81.04.01.42.73.3-5.8-0.34.80.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2421191817161716151515151412121211119.0048.9141010109.0417.9477.8116.4674.0812.6141.6890.5560.3480.0520.0130.010.00.00.0
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of Revenues24.123.922.022.621.620.722.420.720.620.121.721.020.319.119.219.217.918.417.116.720.019.218.018.016.215.615.315.819.222.422.528.226.028.933.30.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-2.428-0.832-13.277-0.5020.9665.0389.2636.86125.791-6.7440.1775.2882.3615.9982.1045.27.429158.943156.488125.432-45.66425-5.208-24.558
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-2.4-0.9-15.3-0.61.26.412.18.816.67.7-9.50.27.53.59.03.28.011.830.216.829.611.822.010.8-93.151.7-12.3-94.8

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Net
Period End2020-09-302020-06-30
Value-2.6-1.3
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic517.9-134.6
Percentage of Revenues-3.1-1.6
Percentage of Revenues srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-13.172-0.985-13.379-0.6040.8374.9039.1136.684125.631-6.907-0.1395.2622.1775.8121.9185.0157.244158.753156.293125.183-45.66425-5.208-24.558
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-13.2-1.1-15.4-0.71.06.211.98.616.47.5-9.7-0.27.43.28.73.07.711.529.816.429.311.521.610.3-93.151.7-12.3-94.8

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-24.448-19.511-31.164-20.999-18.084-13.249-20.525-13.675-15.045-14.842-7.32-18.207-11.935-15.942-14.429-15.239-17.735-11.91911-5.756-2.544-11.007-6.795-5.294-24.0216.775-3.126-3.821-2.763-1.754-0.555-0.331-0.034-0.013-0.010.00.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Revenues-24.6-21.8-35.8-25.4-22.3-16.7-26.8-17.5-19.8-19.7-10.3-25.3-16.8-23.4-21.7-23.5-27.3-19.020.9-10.8-4.8-20.0-12.1-10.5-49.013.6-7.4-14.8-20.3-23.2-22.4-26.9-17.0-28.9-33.30.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value282525262423352431242.664212021231823208.0411518182111-21.78619-2.082-20.737-4.716-14.595-2.048-2.759-1.260.011-0.246-0.093-0.063-0.001
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues29.128.828.931.430.030.045.831.540.931.93.729.729.432.135.828.536.132.315.228.635.533.038.322.9-44.438.2-4.9-80.1-34.6-193.4-82.8-223.9-630.024.4-820.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1534000.03795000.01647000.036000.0-3387000.0-7152000.04450000.0-3031000.0-3908000.0-4941000.0-2550000.01721000.01401000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.54.21.90.0-4.2-9.05.8-3.9-5.1-6.5-3.62.42.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


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
Value1534000.03795000.01647000.036000.0-3387000.0-7152000.04450000.0-3031000.0-3908000.0-4941000.0-2550000.01721000.01401000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.54.21.90.0-4.2-9.05.8-3.9-5.1-6.5-3.62.42.0
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


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
Value1534000.03795000.01647000.036000.0-3387000.0-7152000.04450000.0-3031000.0-3908000.0-4941000.0-2550000.01721000.01401000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.54.21.90.0-4.2-9.05.8-3.9-5.1-6.5-3.62.42.0
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1.8842.01712-0.245-2.527-12.5530-7.605-0.288-1.323-7.742-3.735-16.878108.0519.1039.0971.703-6.173-0.188-0.2012.996-0.5180.83611-14.534-9.455-7.269
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.92.313.9-0.3-3.1-15.839.6-9.8-0.4-1.8-10.9-5.2-23.815.912.114.014.02.7-11.7-0.4-0.45.5-0.91.722.6-29.1-22.4-28.1

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value3.4185.81213-0.209-5.914-19.70234-10.636-4.196-6.264-10.292-2.014-15.477151011103.314-1.4260.574-3.98-8.320.711-5.313137.5346.849-0.631.476-1.6140.464-0.304
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.46.515.7-0.3-7.3-24.945.4-13.6-5.5-8.3-14.4-2.8-21.822.215.418.216.55.3-2.71.1-7.5-15.11.3-10.627.315.116.2-2.410.8-21.418.8-24.7

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value84000.015000.028000.0142000.071000.048000.0195000.0-2000.019000.04000.0-90000.044000.012000.011000.010000.02000.03000.07000.0-1000.04000.08000.09000.064000.0-10000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.00.00.20.10.10.3-0.00.00.0-0.10.10.00.00.00.00.00.0-0.00.00.00.00.1-0.0

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:PreferredStockDividendsIncomeStatementImpact


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value5.0165.0164.7824.6444.5644.5633.6683.0812.7072.4852.4542.4552.4552.4512.4510.3830.00.00.00.0
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues5.05.65.55.65.65.84.84.03.63.33.43.43.53.63.70.60.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value2.5884.184-8.4954.1425.539.601129.941158.276-4.292.6327.7434.8128.4492.4875.27.45169.016156.558125.488-45.80725-5.208-24.558-7.479
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.64.7-9.85.06.812.116.912.820.111.0-6.03.710.97.112.73.88.011.930.516.929.911.922.210.9-93.451.7-12.3-94.8-54.9

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.5884.184-8.4954.1425.539.601129.941158.276-4.292.6327.7434.8128.4492.4875.27.429158.943156.488125.432
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.799.299.298.998.998.999.0
Percentage of Revenues2.64.7-9.85.06.812.116.912.820.111.0-6.03.710.97.112.73.88.011.830.216.829.611.822.010.8
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.5884.184-8.4954.1425.539.601129.941158.276-4.292.6327.7434.8128.4492.4875.27.429158.943156.488125.432
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.799.299.298.998.998.999.0
Percentage of Revenues2.64.7-9.85.06.812.116.912.820.111.0-6.03.710.97.112.73.88.011.830.216.829.611.822.010.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value99898782817976777675717170686664646252535354565049494225137.5472.4741.2320.20.0450.030.00.00.00.00.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value42414043396738243792381537013608349433233309321731113133303829532932289728912406243625012547256223932390242819651762819214107509.2492.9330.0670.0290.870.559
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value258823962412224221812165199119831949178618801811176217381624155116051566153512551265131213271325112797010125232932489240123.7373.7290.375
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets61.059.360.858.657.556.853.855.055.853.756.856.356.755.553.552.554.754.153.152.252.052.552.151.747.140.641.726.616.730.342.937.424.640.4127.167.1

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value42414043396738243792381537013608349433233309321731113133303829532932289728912406243625012547256223932390242819651762819214107509.2492.9330.0670.0290.870.559
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value1651162315321562159416351697161515381532142514041348139414131399132413231347114311551173120512211252142014161441146957112267385.512-0.796-2.0181.4170.1830.184
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.940.138.640.942.042.945.944.844.046.143.143.643.344.546.547.445.245.746.647.547.446.947.347.752.359.458.373.483.369.757.162.675.459.6-27.1-3011.94886.221.032.9

Cash

us-gaap:Cash

us-gaap:Cash


Cash
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-07-122011-06-302010-12-31
Value1242701001027167726950404569326176642639362801114286.3590.2620.00.00.00.00.00.00.00.0
Percentage of Cash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0
Percentage of Assets3.17.33.03.42.42.32.52.42.11.71.82.71.32.63.22.713.453.134.25.413.655.268.88.90.00.00.00.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1742621243003163432703051789510015593106102716772
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.16.53.17.88.49.07.38.55.12.93.04.83.03.43.42.42.32.5

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value1762641253003173472743091919810315896109107767277777370
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.26.53.27.98.49.17.48.65.53.03.14.93.13.53.52.62.52.72.72.92.9

Land

us-gaap:Land

us-gaap:Land


Land
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value498474476443434429414388389400398411408402
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.811.712.011.611.511.211.210.811.112.112.112.813.113.2

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value16171414141410141614131313131314121210111111111010108.0476.173.3591.9550.7680.4230.0710.0130.0090.00.00.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value392401457464482
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0
Percentage of Assets9.910.813.815.316.7

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:AboveMarketLeases


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1618273333
Percentage of FiniteLivedIntangibleAssetsNet4.14.75.97.27.0
Percentage of Assets0.40.50.81.11.2
Percentage of Assets us-gaap:AboveMarketLeases0.00.00.00.00.0

us-gaap:LeasesAcquiredInPlace


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value376382401398419
Percentage of FiniteLivedIntangibleAssetsNet95.995.387.785.987.0
Percentage of Assets9.510.312.113.114.5
Percentage of Assets us-gaap:LeasesAcquiredInPlace0.00.00.00.00.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value222323222121212122212222222322222213133.0713.0423.1112.9883.393.3453.2723.6650.0
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.50.60.60.60.60.60.60.60.60.70.70.70.70.70.70.80.80.50.50.10.10.10.10.10.10.10.20.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value56555856494850495150
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.51.51.31.31.41.41.51.5

Long Term Debt

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

us-gaap:LongTermDebt

currency:EUR, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value252252252384384434434359276276276276224224224
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.96.26.410.110.111.411.710.07.98.38.48.67.27.27.4
Percentage of Assets currency:EUR gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility gnl:KeyBankNationalAssociation us-gaap:UnsecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

currency:GBP, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Long
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value52404040404040404040404040
Percentage of LongTermDebt20.610.410.49.29.211.114.514.514.514.517.817.817.8
Percentage of Assets1.21.01.11.01.11.11.11.21.21.21.31.31.3
Percentage of Assets currency:GBP gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility gnl:KeyBankNationalAssociation us-gaap:UnsecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.0

currency:USD, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value901201051832672676252174174278368371249209
Percentage of LongTermDebt35.747.641.747.669.561.514.314.563.263.2100.8133.3165.2110.893.0
Percentage of Assets2.13.02.64.87.07.01.71.45.05.38.411.511.97.96.9
Percentage of Assets currency:USD gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility gnl:KeyBankNationalAssociation us-gaap:UnsecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value459413411681743789596491536533642738683578528
Percentage of LongTermDebt182.1163.9163.2177.1193.4181.7137.4136.6194.2193.1232.4266.9304.2257.7235.4
Percentage of Assets10.810.210.417.819.620.716.113.615.416.119.422.922.018.517.4
Percentage of Assets gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility gnl:KeyBankNationalAssociation us-gaap:UnsecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Finance Costs Noncurrent Net

us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:DeferredFinanceCostsNoncurrentNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value6.4997.2697.8788.6529.4161010145.095.7046.3116.9325.8336.546.7747.4120.320.6261.0923.8160.5382.4641113121215
Percentage of DeferredFinanceCostsNoncurrentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.30.30.40.10.20.20.20.20.20.20.30.00.00.00.20.00.10.50.50.50.50.6

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value11121215141414
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.40.40.40.4

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1.4232421191714129.9687.6095.2513.2581.9230.00.1251.0772.2112.8787.6638.2037.1114151415130.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.60.50.50.40.40.30.30.20.20.10.10.00.00.00.10.10.30.30.30.60.60.60.60.60.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1464000.01446000.01510000.01445000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1468000.01450000.01510000.01445000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1473000.01455000.01514000.01450000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-06-302020-12-31
Value1474000.01519000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0
Percentage of Assets0.00.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-06-302020-12-31
Value3942
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0
Percentage of Assets0.91.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value24242524232323232423
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.60.60.60.70.70.7

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value47454948
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets1.11.11.31.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value23212423
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.60.50.60.6

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value1651162315321562159416351697161515381532142514041348139414131399132413231347114311551173120512211252142014161441146957112267385.512-0.796-2.0181.4170.1830.184
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.940.138.640.942.042.945.944.844.046.143.143.643.344.546.547.445.245.746.647.547.446.947.347.752.359.458.373.483.369.757.162.675.459.6-27.1-3011.94886.221.032.9

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value16521647155415811611164917091625154515371428140513481394141414011327133113551150117011881220123712661416122-0.796
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.040.739.241.442.543.246.245.044.246.343.243.743.344.546.547.545.345.946.947.848.047.547.948.352.958.357.1-27.1

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonStock, us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.3352.2862.2272.2272.2252.2252.225
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.1
Percentage of Assets0.10.10.10.10.10.10.1
Percentage of Assets us-gaap:CommonStock us-gaap:CommonStock0.00.00.00.00.00.00.0

us-gaap:SeriesAPreferredStock, us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value0.0680.0680.0680.0680.0680.0680.0680.0540.0540.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:SeriesAPreferredStock us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesBPreferredStock, us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value0.0450.0450.0390.0370.0350.0350.0350.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:SeriesBPreferredStock us-gaap:PreferredStock0.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value17138.073-5.63-5.4210.49320-14.618-3.9820.2146.81171934199.118-2.689-13.388-16.695-15.259-15.819-11.881-3.649-4.2770.94-5.5890.319-0.043
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.00.80.5-0.4-0.30.01.2-0.9-0.30.00.51.21.42.51.40.7-0.2-1.0-1.2-1.3-1.4-1.0-0.3-0.30.1-0.40.35.4
Percentage of Assets0.40.30.2-0.1-0.10.00.5-0.4-0.10.00.20.50.61.10.60.3-0.1-0.5-0.6-0.6-0.6-0.5-0.1-0.20.0-0.20.1-1.5
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value26162540241824132408240824082322219621832031195418591859186018261729170817081488148014801480147914801575133-0.311
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest158.3154.2155.6152.5149.5146.0140.8142.9142.1142.0142.2139.0137.9133.4131.5130.3130.3128.4126.0129.4126.5124.5121.3119.6116.9111.2108.939.1
Percentage of Assets61.762.861.063.163.563.165.164.462.865.761.460.759.859.461.261.859.059.059.161.960.859.258.157.861.964.962.2-10.6
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value2.2272.2252.2252.2252.1692.1692.0912.0512.0032.0032.0032.0032.0031.991.991.7051.6921.6921.6921.6921.6921.7820.1570.003
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.20.10.10.10.10.10.10.10.10.10.1-0.4
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value1.4232421191714129.9687.6095.2513.2581.9230.00.1251.0772.2112.8787.6638.2037.1114151415130.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.11.51.41.21.10.90.70.60.50.30.20.10.00.00.10.20.20.60.60.61.31.31.21.21.10.00.0-0.0
Percentage of Assets0.00.60.50.50.40.40.30.30.20.20.10.10.00.00.00.10.10.30.30.30.60.60.60.60.60.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value16511623153215621594163516971615153815321425140413481394141313991324132313471143115511731205122112521416122-0.796
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest99.998.598.698.898.999.199.399.499.599.799.899.9100.0100.099.999.899.899.499.499.498.798.798.898.898.9100.0100.0100.0
Percentage of Assets38.940.138.640.942.042.945.944.844.046.143.143.643.344.546.547.445.245.746.647.547.446.947.347.752.358.357.1-27.1
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value-984.958-933.695-896.547-847.322-810.923-776.002-733.245-694.714-656.411-653.956-615.448-569.448-532.566-502.026-468.396-437.962-404.209-373.917-346.058-331.754-310.6-296.344-272.812-255.46-230.578-155.116-11.348-0.445
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-59.6-56.7-57.7-53.6-50.3-47.0-42.9-42.7-42.5-42.5-43.1-40.5-39.5-36.0-33.1-31.2-30.4-28.1-25.5-28.8-26.5-24.9-22.4-20.6-18.2-10.9-9.255.9
Percentage of Assets-23.2-23.1-22.6-22.2-21.4-20.3-19.8-19.3-18.8-19.7-18.6-17.7-17.1-16.0-15.4-14.8-13.8-12.9-12.0-13.8-12.7-11.8-10.7-10.0-9.6-6.4-5.3-15.2
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value2335000.02286000.02227000.02227000.02225000.02225000.02225000.02225000.02169000.02169000.02091000.02051000.02003000.02003000.02003000.02003000.02003000.01990000.01990000.01705000.01692000.01692000.01692000.01692000.01692000.01799000.01782000.01762000.01723000.0692000.0157000.088000.050000.010000.03000.00000
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value2616254024182413240824082408232221962183203119541859185918601826172917081708148814801480148014791480159115751558152960613374406.048-0.311-1.8451.3370.20.2
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets61.762.861.063.163.563.165.164.462.865.761.460.759.859.461.261.859.059.059.161.960.859.258.157.861.966.664.979.386.873.962.268.979.665.4-10.6-2753.74610.323.035.8

us-gaap:AdditionalPaidInCapital us-gaap:RelatedPartyTransactionsByRelatedParty

gnl:Advisor


Additional
Period End2021-06-30
Value25
Percentage of AdditionalPaidInCapital1.0
Percentage of Assets0.6
Percentage of Assets gnl:Advisor0.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value-984960000.0-933700000.0-896550000.0-847320000.0-810920000.0-776000000.0-733240000.0-694710000.0-656410000.0-653960000.0-615450000.0-569450000.0-532570000.0-502030000.0-468400000.0-437960000.0-404210000.0-373920000.0-346060000.0-331750000.0-310600000.0-296340000.0-272810000.0-255460000.0-230580000.0-160620000.0-155120000.0-118140000.0-62139000.0-34425000.0-11348000.0-6684000.0-2325000.0-527000.0-445000.0-16000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-23.2-23.1-22.6-22.2-21.4-20.3-19.8-19.3-18.8-19.7-18.6-17.7-17.1-16.0-15.4-14.8-13.8-12.9-12.0-13.8-12.7-11.8-10.7-10.0-9.6-6.7-6.4-6.0-3.5-4.2-5.3-6.2-4.6-5.7-15.2-2.9

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value17138.073-5.63-5.4210.49320-14.618-3.9820.2146.81171934199.118-2.689-13.388-16.695-15.259-15.819-11.881-3.649-4.2770.94-12.589-5.589-0.4480.181-1.2950.319
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.30.2-0.1-0.10.00.5-0.4-0.10.00.20.50.61.10.60.3-0.1-0.5-0.6-0.6-0.6-0.5-0.1-0.20.0-0.5-0.2-0.00.0-0.20.1

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Accumulated
Period End2020-09-302020-06-30
Value3.91.3
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-69.3-24.0
Percentage of Assets0.10.0
Percentage of Assets srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1.4232421191714129.9687.6095.2513.2581.9230.00.1251.0772.2112.8787.6638.2037.1114151415130.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.60.50.50.40.40.30.30.20.20.10.10.00.00.00.10.10.30.30.30.60.60.60.60.60.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value50105-0.099-0.106-0.1821080.388150
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stock
Period End2021-03-312020-09-302020-03-31
Value154.5240.076
Percentage of StockIssuedDuringPeriodValueNewIssues15.10.0-71.7
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.0

us-gaap:SeriesBPreferredStock


Stock
Period End2021-06-30
Value-0.051
Percentage of StockIssuedDuringPeriodValueNewIssues-0.1
Percentage of Assets0.0
Percentage of Assets us-gaap:SeriesBPreferredStock0.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonStock, us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value50105-0.099-0.106-0.1821070.388150
Percentage of StockIssuedDuringPeriodValueNewIssues99.999.9100.0100.0100.099.9100.099.9
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.0

us-gaap:CommonStock, us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312019-03-31
Value0.0260.0590.078
Percentage of StockIssuedDuringPeriodValueNewIssues0.10.10.1
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:CommonStock us-gaap:CommonStock0.00.00.0

us-gaap:CommonStock, us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value50105-0.099-0.106-0.1821080.388150
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock us-gaap:Parent0.00.00.00.00.00.00.00.0

us-gaap:PreferredStock, us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-09-302020-03-31
Value154.5220.076
Percentage of StockIssuedDuringPeriodValueNewIssues15.10.0-71.7
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:PreferredStock us-gaap:AdditionalPaidInCapital0.00.00.0

us-gaap:PreferredStock, us-gaap:Parent


Stock
Period End2021-03-312020-09-302020-03-31
Value154.5240.076
Percentage of StockIssuedDuringPeriodValueNewIssues15.10.0-71.7
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:PreferredStock us-gaap:Parent0.00.00.0

us-gaap:SeriesBPreferredStock, us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-30
Value-0.051
Percentage of StockIssuedDuringPeriodValueNewIssues-0.1
Percentage of Assets0.0
Percentage of Assets us-gaap:SeriesBPreferredStock us-gaap:AdditionalPaidInCapital0.0

us-gaap:SeriesBPreferredStock, us-gaap:Parent


Stock
Period End2021-06-30
Value-0.051
Percentage of StockIssuedDuringPeriodValueNewIssues-0.1
Percentage of Assets0.0
Percentage of Assets us-gaap:SeriesBPreferredStock us-gaap:Parent0.0

us-gaap:SeriesBPreferredStock, us-gaap:PreferredStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.00.0060.0020.002
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:SeriesBPreferredStock us-gaap:PreferredStock0.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value100.1030.1040.1030.0770.1570.1370.1350.1360.1340.1370.290.00.1580.1650.1590.160.2550.2610.4050.4840.4830.483
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:Parent


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value100.1030.1040.1030.0770.1570.1370.1350.1360.1340.1370.290.00.158
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value100.1030.1040.1030.0770.1570.1370.1350.1360.1340.1370.290.00.158
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value4.67853404647414826462441332940283336322430312835219.94834-10.0451.12116-16.893-0.303-1.316-1.2890.206-0.193-0.164-0.044-0.0170.00.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Revenues4.759.546.656.459.052.962.834.161.132.857.846.940.959.742.751.855.752.146.156.659.751.263.843.720.369.0-23.84.3118.3-223.8-12.2-106.8-644.5457.8-643.30.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-265.339-4.447-292.129-31.347-31.104-115.947-112.274-46.711-108.849-26.642-206.927-82.951-97.053-71.015-63.7273.14-0.153-18.23812013-0.086-0.114-0.254-183.19-8.578-30.257-108.558-889.049-299.572-219.996-58.831-44.068-9.5460.0-1.3570.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0
Percentage of Revenues-266.5-5.0-335.6-37.9-38.3-146.3-146.4-59.9-143.0-35.3-290.5-115.3-136.8-104.3-95.74.8-0.2-29.0229.225.2-0.2-0.2-0.5-364.5-17.5-60.6-257.1-3432.4-2198.2-2915.0-2378.0-3576.9-4773.00.0-4523.30.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1719271-33.963-50.1271533.931421502.387108111593259-34.856-42.61-12.997-119.936-33.537-35.577-51.8284.705135-26.6747.886-89.8082319365045530325.8921.8020.1640.0440.0170.00.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Revenues172.7103.881.8-41.1-61.8193.85.1183.4198.13.2151.7155.484.347.889.8-53.7-65.6-20.7-227.3-63.0-66.9-94.38.4270.0-54.415.8-212.7892.06874.46689.02235.32459.216359.013093.36006.70.00.00.00.00.0

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2395000.02279000.02077000.02075000.01847000.01810000.01789000.01906000.01177000.01742000.01455000.01338000.01499000.0901000.01399000.01198000.0943000.0880000.0929000.0951000.02393000.02425000.02471000.02140000.01995000.01921000.01721000.01226000.0498000.0308000.0145000.097000.06000.02000.01000.0000
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value4.67853404647414826462441332940283336322430312835219.94834-10.0451.12116-16.893-0.303-1.316-1.2890.206-0.193-0.164-0.044-0.0170.00.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Revenues4.759.546.656.459.052.962.834.161.132.857.846.940.959.742.751.855.752.146.156.659.751.263.843.720.369.0-23.84.3118.3-223.8-12.2-106.8-644.5457.8-643.30.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value2.5884.184-8.4954.1425.539.601129.941158.276-4.292.6327.7434.8128.4492.4875.27.45169.016156.558125.488-45.80725-5.208-24.558-7.479
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.64.7-9.85.06.812.116.912.820.111.0-6.03.710.97.112.73.88.011.930.516.929.911.922.210.9-93.451.7-12.3-94.8-54.9

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.5884.184-8.4954.1425.539.601129.941158.276-4.292.6327.7434.8128.4492.4875.27.429158.943156.488125.432
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.799.299.298.998.998.999.0
Percentage of Revenues2.64.7-9.85.06.812.116.912.820.111.0-6.03.710.97.112.73.88.011.830.216.829.611.822.010.8
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.5884.184-8.4954.1425.539.601129.941158.276-4.292.6327.7434.8128.4492.4875.27.429158.943156.488125.432
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.799.299.298.998.998.999.0
Percentage of Revenues2.64.7-9.85.06.812.116.912.820.111.0-6.03.710.97.112.73.88.011.830.216.829.611.822.010.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value3.0072.5772.5852.4792.5132.4882.4912.5012.4292.1091.4512.053-0.023-0.832-1.177-0.391-2.2350.0161.3411.2930.071.044-0.091.7940.6060.0350.0080.0710.0220.0050.0080.0080.0040.0040.0040.0040.0030.00.00.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-265.339-4.447-292.129-31.347-31.104-115.947-112.274-46.711-108.849-26.642-206.927-82.951-97.053-71.015-63.7273.14-0.153-18.23812013-0.086-0.114-0.254-183.19-8.578-30.257-108.558-889.049-299.572-219.996-58.831-44.068-9.5460.0-1.3570.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0
Percentage of Revenues-266.5-5.0-335.6-37.9-38.3-146.3-146.4-59.9-143.0-35.3-290.5-115.3-136.8-104.3-95.74.8-0.2-29.0229.225.2-0.2-0.2-0.5-364.5-17.5-60.6-257.1-3432.4-2198.2-2915.0-2378.0-3576.9-4773.00.0-4523.30.0

Payments To Acquire Real Estate

us-gaap:PaymentsToAcquireRealEstate us-gaap:StatementGeographical, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireRealEstate

country:GB, us-gaap:SubsequentEvent


Payments
Period End2021-05-07
Value170
Percentage of PaymentsToAcquireRealEstate100.0

gnl:UnitedStatesAndUnitedKingdom, us-gaap:SubsequentEvent


Payments
Period End2021-05-07
Value249
Percentage of PaymentsToAcquireRealEstate147.0

us-gaap:PaymentsToAcquireRealEstate us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Payments
Period End2020-11-052017-11-06
Value15318
Percentage of PaymentsToAcquireRealEstate0.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1719271-33.963-50.1271533.931421502.387108111593259-34.856-42.61-12.997-119.936-33.537-35.577-51.8284.705135-26.6747.886-89.8082319365045530325.8921.8020.1640.0440.0170.00.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Revenues172.7103.881.8-41.1-61.8193.85.1183.4198.13.2151.7155.484.347.889.8-53.7-65.6-20.7-227.3-63.0-66.9-94.38.4270.0-54.415.8-212.7892.06874.46689.02235.32459.216359.013093.36006.70.00.00.00.00.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value383635353547474414433936353536353535303030302930231413
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Currency, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateStatedPercentage

currency:GBP, gnl:McLarenLoan, us-gaap:Mortgages


Debt
Period End2021-06-30
Value6.0
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations currency:GBP gnl:McLarenLoan us-gaap:Mortgages0.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value464.33.07.22.44.33.9
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0

gnl:AcquisitionTransactionAndOtherCosts

gnl:AcquisitionTransactionAndOtherCosts


Acquisition
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value28000.017000.075000.033000.0280000.0192000.0847000.0262000.02804000.01114000.01325000.0
Percentage of AcquisitionTransactionAndOtherCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gnl:AmortizationOfOperatingLeaseRightOfUseAssets

gnl:AmortizationOfOperatingLeaseRightOfUseAssets


Amortization
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value240000.0240000.0217000.0207000.0207000.0
Percentage of AmortizationOfOperatingLeaseRightOfUseAssets100.0100.0100.0100.0100.0

gnl:AmortizationofAboveMarketLeaseAssets

gnl:AmortizationofAboveMarketLeaseAssets


Amortizationof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-31
Value916000.0907000.0860000.0853000.0819000.0840000.01042000.01066000.01108000.01112000.01114000.01129000.01168000.01203000.01144000.01113000.01073000.01016000.0647000.0552000.0574000.0562000.0574000.0577000.0579000.0585000.01085000.066000.0
Percentage of AmortizationofAboveMarketLeaseAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gnl:AmortizationofBelowMarketLeaseLiabilities

gnl:AmortizationofBelowMarketLeaseLiabilities


Amortizationof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value998000.01088000.0935000.0872000.0822000.0815000.0618000.0894000.0995000.01011000.0760000.0896000.0906000.0901000.0854000.0866000.0818000.0826000.0677000.0624000.0636000.0622000.0
Percentage of AmortizationofBelowMarketLeaseLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gnl:BusinessAcquisitionCostOfAcquiredEntityCashPaidInPeriod

gnl:BusinessAcquisitionCostOfAcquiredEntityCashPaidInPeriod


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-03-312014-12-312014-03-31
Value293263111325398187232121059863616.8130.01300.00138107218
Percentage of BusinessAcquisitionCostOfAcquiredEntityCashPaidInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gnl:BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsAcquiredinPeriod us-gaap:FiniteLivedIntangibleAssetsByMajorClass

gnl:BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsAcquiredinPeriod

us-gaap:AboveMarketLeases


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-31
Value0.1030.00.0320.0210.6450.0540.2880.0640.00.0480.00.00.1880.00.00.0470.050.0050.8360.1160.05-4.87326
Percentage of BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsAcquiredinPeriod100.00.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeasesAcquiredInPlace


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-31
Value284.1315.4667.245268.558313.8462817158.893100.8560.04.0037.485-1.495371.0867.48567101
Percentage of BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsAcquiredinPeriod28039.80.017081.234500.04088.715848.111059.76009.40.036170.80.00.05588.30.00.08517.014970.0-29900.04445.6936.214970.0-1391.2384.4

gnl:BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleLiabilityAcquiredinPeriod us-gaap:FiniteLivedIntangibleAssetsByMajorClass

gnl:BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleLiabilityAcquiredinPeriod

gnl:BelowMarketLease


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3929000.0169000.0802000.069000.0305000.0347000.01051000.0247000.04749000.0464000.03697000.0798000.0565000.038000.001334000.0
Percentage of BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleLiabilityAcquiredinPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

gnl:BusinessAcquisitionPurchasePriceAllocationBuildingsFixturesAndImprovementsAcquiredInPeriod

gnl:BusinessAcquisitionPurchasePriceAllocationBuildingsFixturesAndImprovementsAcquiredInPeriod


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-11-142018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-03-312014-12-312014-03-31
Value2431322842067814717126178837844395.0890.0221.73825538149
Percentage of BusinessAcquisitionPurchasePriceAllocationBuildingsFixturesAndImprovementsAcquiredInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

gnl:BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsAcquiredInPeriod

gnl:BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsAcquiredInPeriod


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value253.9624.6967.19726
Percentage of BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsAcquiredInPeriod100.0100.0100.0100.0100.0

gnl:BusinessAcquisitionPurchasePriceAllocationLandAcquiredInPeriod

gnl:BusinessAcquisitionPurchasePriceAllocationLandAcquiredInPeriod


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-03-312014-12-312014-03-31
Value253.1684.3012120118.5362.442105.4538.08710120.9160.05.4430.0346.6248336
Percentage of BusinessAcquisitionPurchasePriceAllocationLandAcquiredInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

gnl:BusinessAcquisitionPurchasePriceAllocationRightOfUseAssetsAcquiredInPeriod

gnl:BusinessAcquisitionPurchasePriceAllocationRightOfUseAssetsAcquiredInPeriod


Business
Period End2020-12-31
Value0
Percentage of BusinessAcquisitionPurchasePriceAllocationRightOfUseAssetsAcquiredInPeriod0.0

gnl:BusinessAcquisitionPurchasePriceAllocationTangibleAssetsAcquiredInPeriod

gnl:BusinessAcquisitionPurchasePriceAllocationTangibleAssetsAcquiredInPeriod


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-03-312014-12-312014-03-31
Value26817261052278915619188888655516.0050.0271.77231621185
Percentage of BusinessAcquisitionPurchasePriceAllocationTangibleAssetsAcquiredInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

gnl:DebtInstrumentCollateralNumberOfLeasedOfficesAndIndustrialProperties us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

gnl:DebtInstrumentCollateralNumberOfLeasedOfficesAndIndustrialProperties

gnl:WhirlpoolCorporationProperties, gnl:BOKFinancial, us-gaap:Mortgages, us-gaap:SubsequentEvent


Debt
Period End2020-07-10
Value6.0
Percentage of DebtInstrumentCollateralNumberOfLeasedOfficesAndIndustrialProperties100.0

gnl:DebtInstrumentFixedInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument us-gaap:Currency, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType

gnl:DebtInstrumentFixedInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument

currency:EUR, gnl:FrenchProperties, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value090.0089.1
Percentage of DebtInstrumentFixedInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument0.0100.00.0100.0

currency:EUR, gnl:GermanyProperties, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value080.0079.2
Percentage of DebtInstrumentFixedInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument0.088.90.088.9

currency:GBP, gnl:UKMultiPropertyLoan, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value080.0079.2
Percentage of DebtInstrumentFixedInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument0.088.90.088.9

gnl:DebtInstrumentVariableInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument us-gaap:Currency, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType

gnl:DebtInstrumentVariableInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument

currency:EUR, gnl:FrenchProperties, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value010.009.9
Percentage of DebtInstrumentVariableInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument0.0100.00.0100.0

currency:EUR, gnl:GermanyProperties, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value020.0019.8
Percentage of DebtInstrumentVariableInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument0.0200.00.0200.0

currency:GBP, gnl:UKMultiPropertyLoan, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value020.0019.8
Percentage of DebtInstrumentVariableInterestPercentOfPrincipalAmountCoveredByDerivativeInstrument0.0200.00.0200.0

gnl:DecreaseinDeferredIncomeTaxes

gnl:DecreaseinDeferredIncomeTaxes


Decreasein
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2105000.0-38000.0-15000.022000.0-1187000.034000.0-7000.012000.0-2294000.07000.051000.0-28000.0645000.0-29000.0-54000.0-13000.01355000.0-4000.011000.0-20000.0353000.0-479000.0-1000.0-323000.0
Percentage of DecreaseinDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gnl:DerivativeInstrumentGainLossOnTermination us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DerivativeInstrumentRisk

gnl:DerivativeInstrumentGainLossOnTermination

gnl:WhirlpoolCorporationProperties, us-gaap:InterestRateSwap


Derivative
Period End2020-12-31
Value-300000.0
Percentage of DerivativeInstrumentGainLossOnTermination100.0

gnl:EntityWideRevenueMajorStatePercentage us-gaap:StatementGeographical

gnl:EntityWideRevenueMajorStatePercentage

country:GB


Entity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-31
Value5.117.3-0.617.234-0.0030.1690.007-0.006-0.0130.194-0.013-0.007-0.0110.221-0.0030.0020.0040.2180.046-0.003-0.010.186-0.004-0.0240.0080.212-0.0780.566
Percentage of EntityWideRevenueMajorStatePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US


Entity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4.263.51.161.466-0.0060.640.040.0140.0180.5580.0280.0150.0230.4910000.489
Percentage of EntityWideRevenueMajorStatePercentage-82.4367.1-183.3356.7200.0378.7571.4-233.3-138.5287.6-215.4-214.3-209.1222.2-0.00.00.0224.3

gnl:UnitedStatesAndCanada


Entity
Period End2021-06-302021-03-312020-12-312020-09-30
Value-5.065.01.062.35
Percentage of EntityWideRevenueMajorStatePercentage-98.0375.7-166.7361.8

stpr:MI


Entity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.115.41.313.858-0.0020.1440.0070.0010.0010.1370000.137
Percentage of EntityWideRevenueMajorStatePercentage-21.689.0-216.780.466.785.2100.0-16.7-7.770.6-0.0-0.0-0.062.0

gnl:IncreaseinDeferredIncomeTaxes

gnl:IncreaseinDeferredIncomeTaxes


Increasein
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2989000.0-587000.0-270000.0686000.0-372000.0537000.0-180000.0267000.0190000.094000.0758000.0-408000.0-278000.0-463000.0-134000.0-929000.0-530000.0-34000.0-271000.0-143000.0249000.0000
Percentage of IncreaseinDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

gnl:LeaseIncentivePayment

gnl:LeaseIncentivePayment


Lease
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0004676000.000
Percentage of LeaseIncentivePayment0.00.00.0100.00.00.0

gnl:OperatingIncomeBeforeLossGainonDispositionsofRealEstateInvestments

gnl:OperatingIncomeBeforeLossGainonDispositionsofRealEstateInvestments


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
Value282525262423261724238.415212221
Percentage of OperatingIncomeBeforeLossGainonDispositionsofRealEstateInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gnl:PaymentsOfStockIssuanceCostsCommissions us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock

gnl:PaymentsOfStockIssuanceCostsCommissions

gnl:Agent, us-gaap:SeriesBPreferredStock, gnl:AttheMarketProgram


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.00.20.130.07
Percentage of PaymentsOfStockIssuanceCostsCommissions0.0100.0100.0100.0

gnl:PaymentsOfStockIssuanceCostsCommissions us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock

gnl:Agent, gnl:AttheMarketProgram


Payments
Period End2021-06-302021-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value0.81.61.61.61.5-35.104860.035
Percentage of PaymentsOfStockIssuanceCostsCommissions0.0800.00.00.00.00.00.0

gnl:ProceedsFromIssuanceOfDebtNet us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

gnl:ProceedsFromIssuanceOfDebtNet

gnl:WhirlpoolCorporationProperties, gnl:BOKFinancial, us-gaap:Mortgages


Proceeds
Period End2020-07-10
Value2200000.0
Percentage of ProceedsFromIssuanceOfDebtNet100.0

gnl:RealEstateAcquisitionCosts us-gaap:StatementGeographical, us-gaap:SubsequentEventType

gnl:RealEstateAcquisitionCosts

country:GB, us-gaap:SubsequentEvent


Real
Period End2021-05-07
Value5600000.0
Percentage of RealEstateAcquisitionCosts100.0

gnl:SaleOfStockConsiderationReceivedPerTransactionGross us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock

gnl:SaleOfStockConsiderationReceivedPerTransactionGross

gnl:Agent, us-gaap:SeriesBPreferredStock, gnl:AttheMarketProgram


Sale
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.0165.84.6
Percentage of SaleOfStockConsiderationReceivedPerTransactionGross0.0100.0100.0100.0

gnl:SaleOfStockConsiderationReceivedPerTransactionGross us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock

gnl:Agent, gnl:AttheMarketProgram


Sale
Period End2021-06-302021-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value511071091091520.03.5
Percentage of SaleOfStockConsiderationReceivedPerTransactionGross0.0664.20.00.00.00.00.0

gnl:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedValue us-gaap:PlanName

gnl:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedValue

gnl:A2021MultiYearOutperformancePlan


Share
Period End2021-06-03
Value50
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedValue100.0

gnl:UnrealizedGainLossonForeignCurrencyTransactionDerivativesandOther

gnl:UnrealizedGainLossonForeignCurrencyTransactionDerivativesandOther


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-302000.01762000.0-4448000.0-3061000.0-1325000.02082000.0-4592000.01670000.0455000.0-452000.02206000.01215000.06256000.0-2550000.0-1681000.0-3598000.0-3111000.0-1792000.02140000.0-1606000.02347000.0-1809000.02980000.0812000.0-666000.04211000.0
Percentage of UnrealizedGainLossonForeignCurrencyTransactionDerivativesandOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value3.0072.5772.5852.4792.5132.4882.4912.5012.4292.1091.4512.052-0.022-0.832-1.177-0.391-2.2350.0161.3411.2930.071.044-0.091.932
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonStock, us-gaap:CommonStock


Adjustments
Period End2020-12-312020-09-30
Value0.00.002
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition0.00.1

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.4030.2190.2270.1190.1550.1290.1320.1420.0710.1160.1160.1290.1030.120.1170.1150.0950.3350.120.0890.0880.0890.089
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition13.48.58.84.86.25.25.35.72.95.58.06.3-468.2-14.4-9.9-29.4-4.32093.88.96.9125.78.5-98.9

us-gaap:CommonStock


Adjustments
Period End2021-06-30
Value0.002
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition0.1

us-gaap:NoncontrollingInterest


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.6022.3582.3582.3582.3582.3592.3592.3592.3581.9931.3351.923-0.125-0.952-1.294-0.506-2.33-0.3191.2211.204-0.0180.955-0.1791.84
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition86.591.591.295.193.894.894.794.397.194.592.093.7568.2114.4109.9129.4104.3-1993.891.193.1-25.791.5198.995.2

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.4050.2190.2270.1210.1550.1290.1320.1420.0710.1160.1160.1290.1030.120.1170.1150.0950.3350.120.0890.0880.0890.089
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition13.58.58.84.96.25.25.35.72.95.58.06.3-468.2-14.4-9.9-29.4-4.32093.88.96.9125.78.5-98.9

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts us-gaap:StatementClassOfStock

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts

us-gaap:CommonStock


Adjustments
Period End2020-12-312020-09-30
Value0.2870.051
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonStock, us-gaap:AdditionalPaidInCapital


Adjustments
Period End2020-12-312020-09-30
Value0.2870.051
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts100.0100.0

us-gaap:CommonStock, us-gaap:Parent


Adjustments
Period End2020-12-312020-09-30
Value0.2870.051
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDebtDiscountPremium


Amortization
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value03000.010000.030000.0100000.0102000.0601000.0263000.0267000.0-121000.0-119000.0-121000.0-122000.0-123000.0-202000.0-42000.0-125000.0-125000.0-124000.0-124000.0-1000.0000
Percentage of AmortizationOfDebtDiscountPremium0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:AmortizationOfLeaseIncentives

us-gaap:AmortizationOfLeaseIncentives


Amortization
Period End2021-06-302021-03-312020-12-312020-09-30
Value118000.0119000.0115000.0115000.0
Percentage of AmortizationOfLeaseIncentives100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2021-06-302019-12-312019-09-302018-12-312018-09-30
Value6707000.006375000.05000000.00
Percentage of AssetImpairmentCharges100.00.0100.0100.00.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-88.741141-180.375-18.696-33.41279-60.194122880.496-57.64262-8.2412.233262.043-6.585-0.855
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths


Cash
Period End2021-06-302021-03-31
Value0-6700000.0
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths0.0100.0

us-gaap:CostsAndExpensesRelatedParty

us-gaap:CostsAndExpensesRelatedParty


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value9.4799.6399.1948.9398.8748.7948.8678.228.1628.043
Percentage of CostsAndExpensesRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease

us-gaap:CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease


Cumulative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.8842.01712-0.245-2.527-12.5530-7.605-0.288-1.323-7.742-3.735-16.878108.0519.1039.0971.703-6.173-0.188-3.0822.996-0.5180.8369.047-14.534
Percentage of CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Cumulative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.8842.01712-0.245-2.527-12.5530-7.605-0.288-1.323-7.742-3.735-16.878108.0719.19.0831.702-6.126-0.184-3.0492.964-0.611.0389.134-14.534
Percentage of CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.2100.099.899.999.297.998.998.9117.8124.2101.0100.0

us-gaap:Parent


Cumulative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1.8842.01712-0.245-2.527-12.5530-7.605-0.288-1.323-7.742-3.735-16.878108.0719.19.0831.702-6.126-0.184-3.0492.964-0.611.038
Percentage of CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.2100.099.899.999.297.998.998.9117.8124.2

us-gaap:DebtInstrumentRedemptionPricePercentage us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRedemptionPricePercentage

gnl:SeniorNotesDue2027, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:SeniorNotes


Debt
Period End2020-12-16
Value101.0
Percentage of DebtInstrumentRedemptionPricePercentage100.0

gnl:SeniorNotesDue2027, us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:SeniorNotes


Debt
Period End2020-12-16
Value100.0
Percentage of DebtInstrumentRedemptionPricePercentage99.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value23222120191921171416161616151515141412121212121211105.228.9564.2812.3990.5060.2610.0530.0170.0120.00.00.0
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value393935353333313131313030292928292727232323232322222113157.644.3541.2740.6840.1240.030.0210.00.00.0
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:DilutiveSecuritiesEffectOnBasicEarningsPerShareOther

us-gaap:DilutiveSecuritiesEffectOnBasicEarningsPerShareOther


Dilutive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-10744000.0-153000.0-102000.0-102000.0-129000.0-135000.0-150000.0-176000.0-174000.0-160000.0-163000.0-316000.0-26000.0-184000.0-186000.0-186000.0-185000.0-185000.0-195000.0-190000.0-193000.0-195000.0-193000.0-249000.00000
Percentage of DilutiveSecuritiesEffectOnBasicEarningsPerShareOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value7.4677.579.6357.5257.8357.3775.7018.2057.0497.3597.755.3018.2117.476.8497.2027.577.2365.6484.2013.5425.6477.3893.3553.3774.0595.51.4280.7860.2330.0280.0140.00.00.00.00.00.0
Percentage of DirectCostsOfLeasedAndRentedPropertyOrEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0

us-gaap:DividendsCommonStock us-gaap:StatementClassOfStock

us-gaap:DividendsCommonStock

us-gaap:CommonStock


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value38363535474514
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonStock, us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value38363535474514
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock, us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value38363535474514
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock us-gaap:StatementClassOfStock

us-gaap:DividendsPreferredStock

us-gaap:SeriesAPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.0813.0813.0813.0813.0823.0813.083.0812.7072.485
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeriesBPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.9351.9351.7011.5631.4821.482
Percentage of DividendsPreferredStock62.862.855.250.748.148.1

us-gaap:DividendsPreferredStock us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:SeriesAPreferredStock, us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.0813.0813.0813.0813.0823.0813.083.0812.7072.485
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeriesAPreferredStock, us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.0813.0813.0813.0813.0823.0813.083.0812.7072.485
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeriesBPreferredStock, us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.9351.9351.7011.5631.4821.482
Percentage of DividendsPreferredStock62.862.855.250.748.148.1

us-gaap:SeriesBPreferredStock, us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.9351.9351.7011.5631.4821.482
Percentage of DividendsPreferredStock62.862.855.250.748.148.1

us-gaap:DividendsShareBasedCompensation us-gaap:AwardType

us-gaap:DividendsShareBasedCompensation

gnl:LongTermIncentivePlanUnits


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value100.10.10.10.20.10.10.10.20.10.2
Percentage of DividendsShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.436-2.9985.261.9223.192-5.97224-4.5864.639-5.5542.656-0.013-4.983-0.5374.3962.0221.6321.03
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:GainLossOnDerivativeInstrumentsNetPretax


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-514000.01842000.0-2703000.0-2464000.0-317000.03143000.0-3905000.03044000.01390000.0240000.02950000.01290000.06333000.0-2935000.0-1719000.0-3125000.0-2990000.0-470000.03512000.0375000.03830000.0-349000.01150000.02310000.0-3736000.04211000.01282000.0849000.0-171000.0-79000.00000
Percentage of GainLossOnDerivativeInstrumentsNetPretax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax us-gaap:HedgingDesignation

us-gaap:Nondesignated


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-500000.01800000.01700000.0-2500000.0-300000.0100000.0-3900000.03100000.01400000.0300000.03000000.01400000.06300000.0-2900000.0-1700000.0-2000000.0-3000000.0-500000.03500000.0400000.03800000.0-300000.01100000.02300000.0-3700000.04700000.01300000.0800000.0-170000.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax97.397.7-62.9101.594.63.299.9101.8100.7125.0101.7108.599.598.898.964.0100.3106.499.7106.799.286.095.799.699.0111.6101.494.299.4

us-gaap:GainLossOnSaleOfProperties

us-gaap:GainLossOnSaleOfProperties


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.00.0-0.1530.08.8246.9776.9230.8920.0-1.933-3.8180.00.00.275-0.1430.957121.320.00.00.0
Percentage of GainLossOnSaleOfProperties0.00.0100.00.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate


Gains
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.0070.00.0-0.1530.08.8246.9776.9230.8920.0-1.933-3.8180.00.00.275-0.1430.957121.320.00.00.00.0
Percentage of GainsLossesOnSalesOfInvestmentRealEstate100.00.00.0100.00.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-1.4030.5582.3812.4854.442-0.9092.643-1.7811.804-12.3962.026-1.5633.7664.034-1.8691.1770.621-0.522-1.409-0.945-1.620.9640.527-0.0760.5263.8828.8271.062.3233.5391.0270.4530.3450.0630.037-0.0370.045-0.0160.0160.0
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value000-1046000.01043000.0-610000.0565000.0-2180000.01303000.0-1008000.0985000.0-1527000.0-4322000.0-569000.0-126000.0-1567000.04153000.0-297000.0-171000.0-1488000.02035000.0505000.01641000.01020000.0901000.00
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInDeferredLiabilities

us-gaap:IncreaseDecreaseInDeferredLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302015-03-312014-03-31
Value9.8245.099-0.9325.049-0.0840.212-3.103-0.780.3034.593-1.0350.568-4.7992.954-1.976-0.3531.020.0
Percentage of IncreaseDecreaseInDeferredLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value56-1.3675.0436.709-0.604-4.873-4.93312-2.7076.23-11.4994.6045.8651.4932.4061.2030.22.416-0.767-0.6810.2362.363-3.526-3.6073.4783.624172.625-10.861111.0820.0320.753-0.0480.0090.0380.0290.00.00.0
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:LeasingCommissionsExpense us-gaap:RelatedPartyTransaction

us-gaap:LeasingCommissionsExpense

gnl:Advisor


Leasing
Period End2021-06-302021-03-31
Value0500000.0
Percentage of LeasingCommissionsExpense0.0100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value400000.0400000.0400000.0300000.0300000.0300000.0300000.0300000.0300000.0
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value400000.0400000.0400000.0400000.0300000.0300000.0400000.0300000.0300000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:InterestRateSwap


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-156000.02037000.0139000.0-1207000.0-4663000.0-8391000.04203000.0-4139000.0-4397000.02018000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DebtInstrument

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

gnl:MortgageNotesPayableFinland


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0-100000.0-100000.0-100000.0-300000.00-200000.0100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax0.0100.0100.0100.0100.00.0100.0100.0

gnl:MultiPropertyLoan


Other
Period End2020-09-302020-06-302020-03-312019-09-30
Value-18000.0-100000.0-100000.00
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax18.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:InterestRateSwap, us-gaap:InterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1758000.0-1743000.0-1803000.0-1729000.0-1294000.0-824000.0-799000.0-660000.0-481000.0-556000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax0.00.00.01729.01294.0824.0266.30.0240.5-556.0

us-gaap:PaymentsForDepositsOnRealEstateAcquisitions

us-gaap:PaymentsForDepositsOnRealEstateAcquisitions


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-0.91.23.839-1.2611.4341.744-1.2191.071.2-3.775-20.776176.750.00.00.00.00.0-0.157-0.421-0.195-8.2233.5144.1631.3210.9740.00.50.00.00.0
Percentage of PaymentsForDepositsOnRealEstateAcquisitions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsOfDebtExtinguishmentCosts


Payments
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312017-12-31
Value239000.00-289000.0426000.000
Percentage of PaymentsOfDebtExtinguishmentCosts100.00.0100.0100.00.00.0

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value100.1030.1040.1030.0990.1350.1370.1350.1360.1340.1370.290.00.1580.1650.1590.160.2550.2590.4050.4870.8570.3210.3210.00.00.0
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsOfDividendsMinorityInterest us-gaap:AwardType

gnl:LongTermIncentivePlanUnits


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value100.10.10.10.10.20.10.10.20.10.20.20.00.20.1
Percentage of PaymentsOfDividendsMinorityInterest100.097.196.297.1101.0148.173.074.1147.174.6146.069.00.0126.660.6

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock us-gaap:StatementClassOfStock

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:SeriesAPreferredStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.0813.0813.0823.083.0823.0813.0812.7062.4852.455
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeriesBPreferredStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value1.9351.7011.5641.4821.4820.5770.00.0
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock62.855.250.748.148.118.70.00.0

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1.9530.159.7081.9782.5520.00.065134.9110.8574.4016.20.00.02.073110.8650.102-2.7793.584-0.592-0.0870.2693.2151.3970.06.7452.1545.0572.9320.5081.520.3170.00.041
Percentage of PaymentsOfFinancingCosts100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PaymentsOfStockIssuanceCosts us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock

us-gaap:PaymentsOfStockIssuanceCosts

gnl:Agent, us-gaap:SeriesBPreferredStock, gnl:AttheMarketProgram


Payments
Period End2020-12-312020-09-30
Value0.00.1
Percentage of PaymentsOfStockIssuanceCosts0.0100.0

us-gaap:PaymentsOfStockIssuanceCosts us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock

gnl:Agent, gnl:AttheMarketProgram


Payments
Period End2021-06-302021-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value0.00.30.40.21.20.00.3
Percentage of PaymentsOfStockIssuanceCosts0.00.00.00.00.00.00.0

us-gaap:PaymentsOfStockIssuanceCosts us-gaap:StatementClassOfStock

us-gaap:CommonStock


Payments
Period End2020-09-302020-06-302020-03-31
Value0.051-0.0990.106
Percentage of PaymentsOfStockIssuanceCosts51.00.00.0

us-gaap:SeriesAPreferredStock


Payments
Period End2020-09-30
Value0.0
Percentage of PaymentsOfStockIssuanceCosts0.0

us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment

us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.2973.2472.8071.3870.7931.3963.661.540.88111
Percentage of PaymentsToAcquireOtherPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireOtherRealEstate

us-gaap:PaymentsToAcquireOtherRealEstate


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value29326311132539818723
Percentage of PaymentsToAcquireOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:StatementClassOfStock

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:CommonStock


Proceeds
Period End2021-06-302021-03-31
Value50105
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0

us-gaap:ProceedsFromIssuanceOfDebt us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

us-gaap:ProceedsFromIssuanceOfDebt

gnl:WhirlpoolCorporationProperties, gnl:BOKFinancial, us-gaap:Mortgages


Proceeds
Period End2020-07-10
Value88
Percentage of ProceedsFromIssuanceOfDebt100.0

us-gaap:ProceedsFromIssuanceOfDebt us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

gnl:WhirlpoolCorporationProperties, gnl:BOKFinancial, us-gaap:Mortgages, us-gaap:SubsequentEvent


Proceeds
Period End2020-07-10
Value88
Percentage of ProceedsFromIssuanceOfDebt100.0

us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock us-gaap:StatementClassOfStock

us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock

us-gaap:SeriesBPreferredStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-30
Value-0.051155.6544.524-41.196124
Percentage of ProceedsFromIssuanceOfPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value72151110.022205-30.26912490260.05512270764950.07546160.00.00.02240.0251-70.36223754360.00.00.00.0
Percentage of ProceedsFromLinesOfCredit100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromSecuredNotesPayable

us-gaap:ProceedsFromSecuredNotesPayable


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302014-12-312014-09-30
Value0.088750.0-0.084204291841622990.0321870.00.00.00.00.0371460.00.0
Percentage of ProceedsFromSecuredNotesPayable0.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.00.00.0100.0100.00.00.0

us-gaap:RepaymentsOfDebt us-gaap:CreditFacility

us-gaap:RepaymentsOfDebt

gnl:TermLoanFacility


Repayments
Period End2020-12-31
Value112
Percentage of RepaymentsOfDebt100.0

us-gaap:RepaymentsOfDebt us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:CreditFacility, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

gnl:WhirlpoolCorporationProperties, us-gaap:RevolvingCreditFacility, gnl:BOKFinancial, us-gaap:Mortgages


Repayments
Period End2020-07-10
Value84
Percentage of RepaymentsOfDebt0.0

us-gaap:RepaymentsOfDebt us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:CreditFacility, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

gnl:WhirlpoolCorporationProperties, us-gaap:RevolvingCreditFacility, gnl:BOKFinancial, us-gaap:Mortgages, us-gaap:SubsequentEvent


Repayments
Period End2020-07-10
Value84
Percentage of RepaymentsOfDebt0.0

us-gaap:RepaymentsOfDebt us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

gnl:WhirlpoolCorporationProperties, gnl:BOKFinancial, us-gaap:Mortgages, us-gaap:SubsequentEvent


Repayments
Period End2020-07-10
Value2.2
Percentage of RepaymentsOfDebt0.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value26784770.0-124.0642799013090570.0301968055.050.071156.696202.557563231-1.07-0.001190.00.00.0
Percentage of RepaymentsOfLinesOfCredit100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:RepaymentsOfSecuredDebt

us-gaap:RepaymentsOfSecuredDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2.7472.709900.0270.01259413082-4.37292241.3050.0820.078210.206120.1830.1890.1890.1860.1760.1750.184-0.370.1670.1640.1740.00.00.00.0
Percentage of RepaymentsOfSecuredDebt100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction

gnl:Agent, gnl:AttheMarketProgram


Sale
Period End2021-06-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.5976940.05.5964520.077590.01640.00.0
Percentage of SaleOfStockNumberOfSharesIssuedInTransaction100.00.0100.00.0100.00.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2020-09-302016-09-302016-06-302016-03-31
Value17.417.5200
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, gnl:RestrictedSharePlan


Share
Period End2020-09-30
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU, gnl:RestrictedSharePlan


Share
Period End2021-06-302021-03-312020-09-30
Value2.8513.370
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.00.0

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302017-12-312017-09-302016-12-31
Value250.00.00.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302017-12-312017-09-302016-12-31
Value0.0210.00.00.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits0.10.00.00.0

us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302017-12-312017-09-302016-12-312015-12-312015-09-30
Value-25.2970.00.00.00.00.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits-100.10.00.00.00.00.0

us-gaap:Parent


Stock
Period End2021-06-302017-12-312017-09-302016-12-31
Value250.00.00.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.10.00.00.0

us-gaap:StockOptionPlanExpense

us-gaap:StockOptionPlanExpense


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value3.0072.5772.5852.4792.5132.4882.4912.5012.4292.1091.4512.053-0.023-0.832-1.177-0.391-2.2350.0161.3411.2930.071.044-0.091.9170.5030.035-0.0980.0720.0
Percentage of StockOptionPlanExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:StraightLineRent

us-gaap:StraightLineRent


Straight
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1.4830.9441.5031.8793.0681.4871.6951.5061.9311.6265.01.4921.8331.5031.552.073.0393.8782.5542.5362.7222.8013.2363.5843.5514.4385.563
Percentage of StraightLineRent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-08-022021-04-302021-02-192020-10-30
Value100959089
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0

gnl:AdditionalLetterOfCreditOutstandingAmount us-gaap:CreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

gnl:AdditionalLetterOfCreditOutstandingAmount

us-gaap:LineOfCredit, us-gaap:Mortgages, us-gaap:SubsequentEvent


Additional
Period End2021-08-06
Value4200000.0
Percentage of AdditionalLetterOfCreditOutstandingAmount100.0

gnl:CashUninsuredAmountEuropeanDepositInsuranceCompanies

gnl:CashUninsuredAmountEuropeanDepositInsuranceCompanies


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value3518412543117.1
Percentage of CashUninsuredAmountEuropeanDepositInsuranceCompanies100.0100.0100.0100.0100.0100.0100.0

gnl:CashUninsuredAmountFSCS

gnl:CashUninsuredAmountFSCS


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value35253518121113
Percentage of CashUninsuredAmountFSCS100.0100.0100.0100.0100.0100.0100.0

gnl:CommonStockValueSharesAuthorized us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock

gnl:CommonStockValueSharesAuthorized

gnl:Agent, gnl:AttheMarketProgram


Common
Period End2021-03-312021-02-282019-03-31
Value500250175
Percentage of CommonStockValueSharesAuthorized100.0100.0100.0

gnl:GuarantyLiabilitiesAmountReturned us-gaap:LongtermDebtType

gnl:GuarantyLiabilitiesAmountReturned

us-gaap:Mortgages


Guaranty
Period End2021-06-30
Value10
Percentage of GuarantyLiabilitiesAmountReturned100.0

gnl:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

gnl:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour


Lessee
Period End2021-03-312020-09-30
Value3941
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour100.0100.0

gnl:LineofCreditFacilityAccordionFeatureIncreaseLimit us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

gnl:LineofCreditFacilityAccordionFeatureIncreaseLimit

gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Lineof
Period End2021-02-242019-08-012018-07-022017-07-24
Value56551535225
Percentage of LineofCreditFacilityAccordionFeatureIncreaseLimit100.0100.0100.0100.0

gnl:LineofCreditFacilityAccordionFeatureIncreaseLimit us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt, us-gaap:SubsequentEvent


Lineof
Period End2021-02-242019-08-012018-07-02
Value5653935
Percentage of LineofCreditFacilityAccordionFeatureIncreaseLimit100.07.7100.1

gnl:OffMarketLeasesUnfavorableNetOfAccumulatedAmortization

gnl:OffMarketLeasesUnfavorableNetOfAccumulatedAmortization


Off
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value303132292929303132323532323131312521
Percentage of OffMarketLeasesUnfavorableNetOfAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gnl:OffmarketLeaseUnfavorableAccumulatedAmortization

gnl:OffmarketLeaseUnfavorableAccumulatedAmortization


Offmarket
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1611108.2255.693
Percentage of OffmarketLeaseUnfavorableAccumulatedAmortization100.0100.0100.0100.0100.0

gnl:PortfolioStrategyPercentageOfPortfolioInvestments us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

gnl:PortfolioStrategyPercentageOfPortfolioInvestments

gnl:IndustrialAndDistributionProperties


Portfolio
Period End2021-06-302021-03-312020-12-31
Value52.049.049.0
Percentage of PortfolioStrategyPercentageOfPortfolioInvestments100.0100.0100.0

srt:OfficeBuilding


Portfolio
Period End2021-06-302021-03-312020-12-31
Value43.046.046.0
Percentage of PortfolioStrategyPercentageOfPortfolioInvestments82.793.993.9

gnl:PortfolioStrategyPercentageOfPortfolioInvestments us-gaap:StatementGeographical

srt:Europe


Portfolio
Period End2020-12-31
Value36.0
Percentage of PortfolioStrategyPercentageOfPortfolioInvestments73.5

gnl:PortfolioStrategyTargetGeographicMixPercentageOfPortfolioInvestments us-gaap:StatementGeographical

gnl:PortfolioStrategyTargetGeographicMixPercentageOfPortfolioInvestments

srt:Europe


Portfolio
Period End2021-06-302021-03-312020-09-30
Value40.035.037.0
Percentage of PortfolioStrategyTargetGeographicMixPercentageOfPortfolioInvestments100.0100.0100.0

gnl:RealEstateInvestmentsAcquiredIntangibleAssetsTotal

gnl:RealEstateInvestmentsAcquiredIntangibleAssetsTotal


Real
Period End2020-12-31
Value712
Percentage of RealEstateInvestmentsAcquiredIntangibleAssetsTotal100.0

gnl:RealEstatePropertyOccupancyRate

gnl:RealEstatePropertyOccupancyRate


Real
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value99.799.799.799.60.996
Percentage of RealEstatePropertyOccupancyRate100.0100.0100.0100.0100.0

gnl:RealEstateandAccumulatedDepreciationUnencumberedAssets

gnl:RealEstateandAccumulatedDepreciationUnencumberedAssets


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1800180018001400150016001500110013001400130014001600
Percentage of RealEstateandAccumulatedDepreciationUnencumberedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gnl:RealEstateandAccumulatedDepreciationUnencumberedAssets us-gaap:CreditFacility

us-gaap:LineOfCredit


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1800180018001300130015001300100010001200120013001000
Percentage of RealEstateandAccumulatedDepreciationUnencumberedAssets100.0100.0100.092.986.793.886.790.976.985.792.392.962.5

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances


Real
Period End2020-12-312019-12-312018-12-31
Value137812871140
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value2930282827222220464331262727232423222217181918222222199.6238.3576.6112.5191.4461.7212.4652.4332.0851.4460.6870.375
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AreaOfRealEstateProperty

us-gaap:AreaOfRealEstateProperty


Area
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302015-06-302015-03-312014-12-312013-03-31
Value38373734312828272726252322222218181616160.009094
Percentage of AreaOfRealEstateProperty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AreaOfRealEstateProperty gnl:RealEstatePropertyAcquisitions

gnl:RealEstatePropertiesAcquiredIn2020


Area
Period End2020-12-31
Value0.005558
Percentage of AreaOfRealEstateProperty0.0

gnl:RealEstatePropertiesAcquiredIn2021


Area
Period End2021-06-30
Value0.977192
Percentage of AreaOfRealEstateProperty2.6

us-gaap:AreaOfRealEstateProperty gnl:RealEstatePropertyAcquisitions, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

gnl:RealEstatePropertiesAcquiredIn2020, gnl:DistributionProperty


Area
Period End2020-12-31
Value0.001599
Percentage of AreaOfRealEstateProperty0.0

gnl:RealEstatePropertiesAcquiredIn2020, srt:IndustrialProperty


Area
Period End2020-12-31
Value0.003569
Percentage of AreaOfRealEstateProperty0.0

gnl:RealEstatePropertiesAcquiredIn2020, srt:OfficeBuilding


Area
Period End2020-12-31
Value0.00039
Percentage of AreaOfRealEstateProperty0.0

gnl:RealEstatePropertiesAcquiredIn2021, srt:IndustrialProperty


Area
Period End2021-06-30
Value0.977192
Percentage of AreaOfRealEstateProperty2.6

us-gaap:BelowMarketLeaseAccumulatedAmortization

us-gaap:BelowMarketLeaseAccumulatedAmortization


Below
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value16119.8578.0795.621
Percentage of BelowMarketLeaseAccumulatedAmortization100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseGross

us-gaap:BelowMarketLeaseGross


Below
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4942433736
Percentage of BelowMarketLeaseGross100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseNet

us-gaap:BelowMarketLeaseNet


Below
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3230332931
Percentage of BelowMarketLeaseNet100.0100.0100.0100.0100.0

us-gaap:CashUninsuredAmount

us-gaap:CashUninsuredAmount


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value41213144811403710
Percentage of CashUninsuredAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentAnnualPrincipalPayment us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentAnnualPrincipalPayment

gnl:UKMultiPropertyLoan, us-gaap:Mortgages


Debt
Period End2020-10-31
Value2600000.0
Percentage of DebtInstrumentAnnualPrincipalPayment100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

gnl:SeniorNotesDue2027, us-gaap:SeniorNotes


Debt
Period End2020-12-16
Value500
Percentage of DebtInstrumentFaceAmount100.0

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

us-gaap:DebtInstrumentFairValue

gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, us-gaap:FairValueInputsLevel3, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:RevolvingCreditFacility


Debt
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302016-12-31
Value2932893033972782242362296470.0
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:RevolvingCreditFacility


Debt
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302016-12-31
Value2932903044032832282402336520.0
Percentage of DebtInstrumentFairValue99.8100.3100.5101.4101.7101.7101.6101.7100.70.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType

us-gaap:FairValueInputsLevel3, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value1500140014001272136612861131112998398210469887967757607525085135325325103382632821731811717831101.228
Percentage of DebtInstrumentFairValue511.1483.1462.0319.70.00.00.0405.30.0437.7442.0430.0123.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:RevolvingCreditFacility


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1671251112643443991993634583422980.0722698616671673703717735596633659
Percentage of DebtInstrumentFairValue57.243.436.70.00.00.050.0130.6204.4144.4130.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:Mortgages


Debt
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value150014001339143913361166115798297910459637937707567475005055335345083392612801741831727731101.228
Percentage of DebtInstrumentFairValue0.00.0336.80.00.00.0415.40.0436.3441.3419.2122.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:RevolvingCreditFacility


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1681251112663442103654613402970.0722698616671673703717747608646669
Percentage of DebtInstrumentFairValue57.243.336.70.00.053.0131.2205.4144.0129.60.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-31
Value495495512
Percentage of DebtInstrumentFairValue168.7170.8169.1

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:Mortgages


Debt
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2960000.0016000.026000.053000.086000.0458000.0569000.0696000.01373000.01715000.01927000.02503000.0
Percentage of DebtInstrumentUnamortizedDiscount100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType

gnl:McLarenLoan, us-gaap:Mortgages


Debt
Period End2021-04-30
Value3100000.0
Percentage of DebtInstrumentUnamortizedDiscount0.0

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

us-gaap:DeferredFinanceCostsNet

gnl:TermLoanFacility, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2.3022.5932.8824.4884.7835.0745.3652.6342.873.1033.3423.572.8963.0813.26
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

gnl:SeniorNotesDue2027, us-gaap:SeniorNotes


Deferred
Period End2021-06-302021-03-312020-12-31
Value9.09.39.7
Percentage of DeferredFinanceCostsNet391.0358.7336.6

us-gaap:DeferredFinanceCostsNet us-gaap:LongtermDebtType

us-gaap:Mortgages


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1414141716141515139.8089.7378.4235.4236.0065.5414.0434.4094.7265.15.7196.2436.9337.446
Percentage of DeferredFinanceCostsNet644.1544.1520.1384.4334.8279.9284.6588.8471.3316.1291.4235.9187.3194.9170.00.00.00.00.00.00.00.00.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2343000.02367000.02367000.04472000.04434000.04419000.04441000.0
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueLeasesGross

us-gaap:DeferredRevenueLeasesGross


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value362621221717172021201617162118202020181414131512111112186.7024.8361.8620.8830.3150.0490.0
Percentage of DeferredRevenueLeasesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DerivativeAssetNotionalAmount us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAssetNotionalAmount

gnl:WhirlpoolCorporationProperties, us-gaap:InterestRateSwap


Derivative
Period End2020-12-31
Value88
Percentage of DerivativeAssetNotionalAmount100.0

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:DerivativeAssets

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts


Derivative
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-4.0254.8072.7267.3325.6585.1025.4722.7971.598
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateSwap


Derivative
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-15.434-13.469-6.082-10.497-7.204-4.156-0.6283.369
Percentage of DerivativeAssets383.5-280.2-223.1-143.2-127.3-81.5-11.5120.5

us-gaap:DerivativeAssets us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts


Derivative
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-4.0254.8072.7267.3325.6585.1025.4722.7971.598
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateSwap


Derivative
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-15.434-13.469-6.082-10.497-7.204-4.156-0.6283.369
Percentage of DerivativeAssets383.5-280.2-223.1-143.2-127.3-81.5-11.5120.5

us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet

us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-12.668-13.901-19.459-16.648-13.502-8.662-3.356-3.165-1.5460.9464.844-15.226-13.615-12.9342.3771013-11.097-10.686-10.336-0.216
Percentage of DerivativeAssetsLiabilitiesAtFairValueNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value-2.564-2.262-4.0250.4243.4852.726
Percentage of DerivativeAssetsLiabilitiesAtFairValueNet20.216.320.7-2.5-25.8-81.2

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value-10.104-11.639-15.434-17.072-16.987-6.082
Percentage of DerivativeAssetsLiabilitiesAtFairValueNet79.883.779.3102.5125.8181.2

us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:ForwardContracts


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value-2.564-2.262-4.0250.4243.4852.726
Percentage of DerivativeAssetsLiabilitiesAtFairValueNet20.216.320.7-2.5-25.8-81.2

us-gaap:FairValueMeasurementsRecurring, us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value-10.104-11.639-15.434-17.072-16.987-6.082
Percentage of DerivativeAssetsLiabilitiesAtFairValueNet79.883.779.3102.5125.8181.2

us-gaap:DerivativeFairValueAmountOffsetAgainstCollateralNet

us-gaap:DerivativeFairValueAmountOffsetAgainstCollateralNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-12.668-13.901-19.459-16.648-13.502-8.662-3.356-3.306-1.5460.9464.844107.401-15.226-13.615-12.9342.3771013-11.097-10.686-10.336-0.216
Percentage of DerivativeFairValueAmountOffsetAgainstCollateralNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:DerivativeFairValueOfDerivativeAsset


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.560.9340.5251.8984.045.3734.1517.4735.6586.8548.73107.5684.5122.1760.8421524284.9966.5593.5825.8125.4515.6989.633134.0561.030.5550.7340.310.3970.0730.0
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeFairValueOfDerivativeLiability


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1314191817147.507107.2045.9083.8863.0715.9761915131313151617136.0287.2563.6715.7516.1153.527.9825.3292.5651.8650.0-0.022-0.053
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:DerivativeLiabilities

us-gaap:DerivativeLiabilities


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1314191817147.507107.2045.9083.8863.0715.9761915131313151617136.0285.7516.115-0.5366.9524.7741.8311.5550.00.0220.0530.0
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection


Derivative
Period End2020-12-31
Value21
Percentage of DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection100.0

us-gaap:DerivativeNetLiabilityPositionAggregateFairValue

us-gaap:DerivativeNetLiabilityPositionAggregateFairValue


Derivative
Period End2021-06-302021-03-312020-09-30
Value141519
Percentage of DerivativeNetLiabilityPositionAggregateFairValue100.0100.0100.0

us-gaap:DerivativeNotionalAmount us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:DerivativeNotionalAmount

currency:EUR, us-gaap:Swap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value621613641613587511521212
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0

currency:EUR, us-gaap:Swap, us-gaap:ForwardContracts, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value35393821242827
Percentage of DerivativeNotionalAmount5.76.56.03.44.25.65.3

currency:GBP, us-gaap:Swap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value305303301284272273290234
Percentage of DerivativeNotionalAmount49.149.547.046.346.353.455.8110.4

currency:GBP, us-gaap:Swap, us-gaap:ForwardContracts, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value44504129354338
Percentage of DerivativeNotionalAmount7.28.36.54.86.08.57.5

currency:USD, us-gaap:Swap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value150150150238150150150150
Percentage of DerivativeNotionalAmount24.124.523.438.825.529.328.870.7

us-gaap:DerivativeNotionalAmount us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

currency:EUR, us-gaap:ForwardContracts, us-gaap:Nondesignated


Derivative
Period End2020-12-312019-12-312018-12-31
Value382739
Percentage of DerivativeNotionalAmount6.05.318.6

currency:GBP, us-gaap:ForwardContracts, us-gaap:Nondesignated


Derivative
Period End2020-12-312019-12-312018-12-31
Value413843
Percentage of DerivativeNotionalAmount6.57.520.3

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

us-gaap:Swap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-07-24
Value10761067109211351009934962596224
Percentage of DerivativeNotionalAmount173.3174.0170.3185.1171.9182.7184.6281.10.0

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:Swap, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value80908050598277
Percentage of DerivativeNotionalAmount13.014.812.58.310.216.114.8

us-gaap:DerivativeNotionalAmount us-gaap:HedgingDesignation

us-gaap:Nondesignated


Derivative
Period End2020-12-312019-12-312018-12-31
Value8077221
Percentage of DerivativeNotionalAmount12.514.8104.2

us-gaap:DevelopmentInProcess

us-gaap:DevelopmentInProcess


Development
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value6.4585.8765.4864.9051312118.18512121.2350.5272.972.5722.3280.0
Percentage of DevelopmentInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:DividendsPayableCurrentAndNoncurrent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value5.3865.3865.1525.0144.9344.9344.0063.4163.0012.7212.6642.6382.3412.4262.5560.4610.0550.0290.0340.030.030.0330.4070.2490.01010109.0283.6030.840.4920.2580.0460.0150.0
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DueFromAffiliates

us-gaap:DueFromAffiliates


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value351000.0346000.0377000.0366000.0351000.0345000.0351000.020000.020000.020000.016000.016000.016000.016000.016000.016000.016000.016000.016000.016000.016000.016000.0136000.053000.0192000.029000.0500000.0
Percentage of DueFromAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DueFromAffiliates dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty

gnl:AmericanRealtyCapitalGlobalAdvisorsLlc, gnl:Advisor


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-31
Value400000.0300000.0400000.0400000.0351000.0345000.0351000.020000.020000.020000.016000.016000.0016000.0016000.01300000.03200000.05200000.016000.016000.016000.0100000.0100000.029000.0500000.0
Percentage of DueFromAffiliates114.086.7106.1109.3100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.08125.020000.032500.0100.0100.0100.073.5188.7100.0100.0

us-gaap:DueToAffiliateCurrentAndNoncurrent

us-gaap:DueToAffiliateCurrentAndNoncurrent


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value294000.0845000.02002000.024000.00196000.0342000.0299000.0124000.0472000.0790000.0782000.0779000.0770000.0829000.01233000.01428000.01348000.02162000.0680000.0665000.0414000.0399000.0943000.01953000.01501000.0400000.00
Percentage of DueToAffiliateCurrentAndNoncurrent100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DueToAffiliateCurrentAndNoncurrent gnl:RelatedPartyTransactionsByCost

gnl:ThirdPartyProfessionalFeesAndOfferingCosts


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-31
Value300000.0800000.02000000.024000.00200000.0300000.0800000.0800000.0800000.0830000.0800000.01200000.01400000.01300000.02200000.0700000.0700000.0400000.0400000.0900000.01500000.0400000.0
Percentage of DueToAffiliateCurrentAndNoncurrent102.094.799.9100.00.0102.087.7101.3102.3102.7107.896.597.398.096.4101.8102.9105.396.6100.395.499.9100.0

us-gaap:DueToAffiliateCurrentAndNoncurrent gnl:RelatedPartyTransactionsByCost, us-gaap:RelatedPartyTransactionsByRelatedParty

gnl:LeasingCommission, gnl:Advisor


Due
Period End2020-12-31
Value1500000.0
Percentage of DueToAffiliateCurrentAndNoncurrent74.9

gnl:OverpaymentOfInvoices, gnl:Advisor


Due
Period End2020-12-31
Value500000.0
Percentage of DueToAffiliateCurrentAndNoncurrent25.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:RestrictedStock, gnl:RestrictedSharePlan


Employee
Period End2021-06-302021-03-312020-12-312020-09-30
Value5700000.01900000.02100000.02300000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:PlanName

gnl:RestrictedSharePlan


Employee
Period End2021-06-302021-03-312020-12-312020-09-30
Value700000.0400000.0500000.0500000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions12.321.123.821.7

us-gaap:EquityFairValueDisclosure us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:PlanName

us-gaap:EquityFairValueDisclosure

gnl:LongTermIncentivePlanUnits, us-gaap:ShareBasedPaymentArrangementNonemployee, gnl:A2018MultiYearOutperformancePlan


Equity
Period End2020-12-312019-12-312019-02-282019-01-312019-01-01
Value6.66.6292318
Percentage of EquityFairValueDisclosure100.0100.0100.0100.0100.0

gnl:LongTermIncentivePlanUnits, us-gaap:ShareBasedPaymentArrangementNonemployee, gnl:A2021MultiYearOutperformancePlan


Equity
Period End2021-06-03
Value27
Percentage of EquityFairValueDisclosure0.0

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value73670771167065664965164165364767565664264862961560859458749651051851852448647748442923017547327.7930.8050.8560.0
Percentage of FiniteLivedIntangibleAssetAcquiredInPlaceLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value319250217165104
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:AboveMarketLeases


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value161214105.04
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization5.35.16.46.24.8

us-gaap:LeasesAcquiredInPlace


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value30223720115399
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization94.794.992.593.094.9

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value711651675629587
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:AboveMarketLeases


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3331414338
Percentage of FiniteLivedIntangibleAssetsGross4.74.96.17.06.6

us-gaap:LeasesAcquiredInPlace


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value678620602552518
Percentage of FiniteLivedIntangibleAssetsGross95.395.189.287.788.4

us-gaap:ForeignCurrencyExchangeRateTranslation1

us-gaap:ForeignCurrencyExchangeRateTranslation1


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302015-12-312015-09-30
Value1.381.381.371.291.231.241.321.231.271.31.141.31.321.231.351.181.31.481.12
Percentage of ForeignCurrencyExchangeRateTranslation1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncentiveToLessee

us-gaap:IncentiveToLessee


Incentive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value63616158555151515049474645454240383430292723
Percentage of IncentiveToLessee100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateDerivativeAssetsAtFairValue us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation

us-gaap:InterestRateDerivativeAssetsAtFairValue

currency:EUR, us-gaap:Swap, us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated


Interest
Period End2020-12-312019-12-31
Value0.3272.352
Percentage of InterestRateDerivativeAssetsAtFairValue100.0100.0

currency:GBP, us-gaap:Swap, us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated


Interest
Period End2020-12-312019-12-31
Value0.1981.205
Percentage of InterestRateDerivativeAssetsAtFairValue60.651.2

us-gaap:InterestRateDerivativeLiabilitiesAtFairValue us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation

us-gaap:InterestRateDerivativeLiabilitiesAtFairValue

currency:EUR, us-gaap:Swap, us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated


Interest
Period End2020-12-31
Value1.836
Percentage of InterestRateDerivativeLiabilitiesAtFairValue100.0

currency:GBP, us-gaap:Swap, us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated


Interest
Period End2020-12-312019-12-31
Value2.7140.831
Percentage of InterestRateDerivativeLiabilitiesAtFairValue147.80.0

us-gaap:InterestRateDerivativeLiabilitiesAtFairValue us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

currency:EUR, gnl:InterestRatePayfixedSwaps, us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Interest
Period End2020-12-312019-12-31
Value2.6051.139
Percentage of InterestRateDerivativeLiabilitiesAtFairValue141.90.0

currency:GBP, gnl:InterestRatePayfixedSwaps, us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Interest
Period End2020-12-312019-12-31
Value9.04.524
Percentage of InterestRateDerivativeLiabilitiesAtFairValue490.20.0

currency:USD, gnl:InterestRatePayfixedSwaps, us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Interest
Period End2020-12-312019-12-31
Value3.8290.939
Percentage of InterestRateDerivativeLiabilitiesAtFairValue208.60.0

us-gaap:InterestRateDerivativesAtFairValueNet

us-gaap:InterestRateDerivativesAtFairValueNet


Interest
Period End2020-12-312019-12-312018-12-31
Value-19.459-3.3564.844
Percentage of InterestRateDerivativesAtFairValueNet100.0100.0100.0

us-gaap:InterestRateDerivativesAtFairValueNet us-gaap:Currency, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation

currency:EUR, us-gaap:DerivativeFinancialInstrumentsAssets, us-gaap:Swap, us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.2790.5580.3270.881.9262.732.3523.6272.5373.1122.2251.1460.6990.0
Percentage of InterestRateDerivativesAtFairValueNet0.00.0-1.70.00.00.0-70.10.00.00.045.90.00.00.0

currency:EUR, us-gaap:DerivativeFinancialInstrumentsLiabilities, us-gaap:Swap, us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302017-12-31
Value-0.622-0.456-1.836-0.454-0.177-0.0970.00.0-0.012-0.044-1.258
Percentage of InterestRateDerivativesAtFairValueNet0.00.09.40.00.00.0-0.00.00.00.00.0

currency:EUR, us-gaap:DerivativeFinancialInstrumentsLiabilities, us-gaap:Swap, us-gaap:InterestRateSwap, us-gaap:FairValueInputsLevel2, us-gaap:DesignatedAsHedgingInstrument


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-1.896-1.855-2.605-2.404-2.024-1.242-1.139-2.373-1.598-1.209-1.443-1.646-2.045-2.446
Percentage of InterestRateDerivativesAtFairValueNet0.00.013.40.00.00.033.90.00.00.0-29.80.00.00.0

currency:GBP, us-gaap:DerivativeFinancialInstrumentsAssets, us-gaap:Swap, us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.2810.3760.1981.0182.1142.6431.2053.8463.1211.993.2471.7091.0660.02
Percentage of InterestRateDerivativesAtFairValueNet0.00.0-1.00.00.00.0-35.90.00.00.067.00.00.00.0

currency:GBP, us-gaap:DerivativeFinancialInstrumentsLiabilities, us-gaap:Swap, us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-12-31
Value-2.502-2.74-2.714-1.02-0.378-0.469-0.831-0.1410.0-0.046-0.123-1.175
Percentage of InterestRateDerivativesAtFairValueNet0.00.013.90.00.00.024.80.00.00.00.00.0

currency:GBP, us-gaap:DerivativeFinancialInstrumentsLiabilities, us-gaap:Swap, us-gaap:InterestRateSwap, us-gaap:FairValueInputsLevel2, us-gaap:DesignatedAsHedgingInstrument


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-5.582-6.584-9.0-9.173-8.836-7.03-4.524-6.503-4.698-3.621-1.1570.0-2.023-3.713
Percentage of InterestRateDerivativesAtFairValueNet0.00.046.30.00.00.0134.80.00.00.0-23.90.00.00.0

currency:USD, us-gaap:DerivativeFinancialInstrumentsLiabilities, us-gaap:Swap, us-gaap:InterestRateSwap, us-gaap:FairValueInputsLevel2, us-gaap:DesignatedAsHedgingInstrument


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-2.626-3.2-3.829-5.495-6.127-5.142-0.939-1.516-0.783
Percentage of InterestRateDerivativesAtFairValueNet0.00.019.70.00.00.028.00.00.0

us-gaap:InterestRateDerivativesAtFairValueNet us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation

us-gaap:Swap, us-gaap:FairValueInputsLevel2, us-gaap:DesignatedAsHedgingInstrument


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value-10.104-11.639-15.434-17.072-16.987-13.414-6.008-10.392-7.079-3.0780.6585.9071.672-8.309-8.881-9.4321.6927.1097.986-15.255-16.385-13.918-5.461-7.2515.639
Percentage of InterestRateDerivativesAtFairValueNet0.00.079.30.00.00.0179.00.00.00.013.60.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Swap, us-gaap:FairValueInputsLevel2, us-gaap:Nondesignated


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value-2.564-2.262-4.0250.4243.4854.7522.6527.2275.5334.0244.1861.463-0.08-6.917-4.734-3.5010.6853.6755.2574.1585.6993.5825.2455.4461.884
Percentage of InterestRateDerivativesAtFairValueNet0.00.020.70.00.00.0-79.00.00.00.086.40.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateDerivativesAtFairValueNet us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Interest
Period End2020-12-312019-12-31
Value-15.434-6.008
Percentage of InterestRateDerivativesAtFairValueNet79.3179.0

us-gaap:InvestmentBuildingAndBuildingImprovements

us-gaap:InvestmentBuildingAndBuildingImprovements


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value33243106312428322768273626852463244123532345228922192218213820792040198919671685
Percentage of InvestmentBuildingAndBuildingImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1464000.01446000.01510000.01445000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-312020-09-30
Value1098000.01084000.0361000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceived


Lessor
Period End2020-12-31
Value2541
Percentage of LessorOperatingLeasePaymentsToBeReceived100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears


Lessor
Period End2020-12-31
Value226
Percentage of LessorOperatingLeasePaymentsToBeReceivedFiveYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears


Lessor
Period End2020-12-31
Value267
Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths


Lessor
Period End2020-12-31
Value334
Percentage of LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter


Lessor
Period End2020-12-31
Value1083
Percentage of LessorOperatingLeasePaymentsToBeReceivedThereafter100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears


Lessor
Period End2020-12-31
Value303
Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears


Lessor
Period End2020-12-31
Value324
Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:CreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LineOfCredit, us-gaap:Mortgages, us-gaap:SubsequentEvent


Letters
Period End2021-08-06
Value7400000.0
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

gnl:U.S.MultiTenantMortgageLoanIII, us-gaap:Mortgages, us-gaap:SubsequentEvent


Letters
Period End2021-02-26
Value3200000.0
Percentage of LettersOfCreditOutstandingAmount0.0

us-gaap:LineOfCredit

us-gaap:LineOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value16712511126434439919910125926036345545834229841872269861667167370371773559663365929971360.0
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LineOfCredit us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

us-gaap:RevolvingCreditFacility, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-07-24
Value16712511126434439919910125926036345545834229832930
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.078.70.0

us-gaap:LineOfCredit us-gaap:Currency, us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

currency:EUR, us-gaap:RevolvingCreditFacility, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5.05.05.0252575750.0303030303030
Percentage of LineOfCredit3.04.04.59.57.318.837.70.011.611.58.26.66.510.0

currency:GBP, us-gaap:RevolvingCreditFacility, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Line
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value524040404040404040404040
Percentage of LineOfCredit31.015.211.610.020.139.415.415.411.08.88.713.4

currency:USD, us-gaap:RevolvingCreditFacility, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value901201051832672676252174174278368371209
Percentage of LineOfCredit53.695.394.569.477.566.931.351.567.367.176.680.980.869.9

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

gnl:TermLoanFacility, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Line
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-07-24
Value293289421359359359246246246246194194225
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Line
Period End2020-12-312019-08-012019-06-302018-07-022018-06-302017-07-24
Value11001235906914722725
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.00.0367.60.0371.1322.2

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:RevolvingCreditFacility, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-09-30
Value938892
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0

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

gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Line
Period End2020-12-31
Value94
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value689689689770
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value20201312
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:Mortgages


Long
Period End2020-12-312020-09-30
Value8582
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value8382237227
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value370227331319
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value3143302019
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-09-30
Value26102.609
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0100.0100.0

us-gaap:LongTermDebtPercentageBearingFixedInterestRate us-gaap:Currency, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType

us-gaap:LongTermDebtPercentageBearingFixedInterestRate

currency:EUR, country:FI, us-gaap:Mortgages


Long
Period End2020-09-302020-06-30
Value80.00.8
Percentage of LongTermDebtPercentageBearingFixedInterestRate100.0100.0

us-gaap:LongTermDebtPercentageBearingFixedInterestRate us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

gnl:WhirlpoolCorporationProperties, gnl:BOKFinancial, us-gaap:Mortgages, us-gaap:SubsequentEvent


Long
Period End2020-07-10
Value0.0345
Percentage of LongTermDebtPercentageBearingFixedInterestRate0.0

us-gaap:LongTermDebtPercentageBearingVariableInterestRate us-gaap:Currency, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType

us-gaap:LongTermDebtPercentageBearingVariableInterestRate

currency:EUR, country:FI, us-gaap:Mortgages


Long
Period End2020-09-30
Value20.0
Percentage of LongTermDebtPercentageBearingVariableInterestRate100.0

us-gaap:LongtermDebtWeightedAverageInterestRate us-gaap:DebtInstrument

us-gaap:LongtermDebtWeightedAverageInterestRate

gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility


Longterm
Period End2021-06-302021-03-312020-09-302019-06-30
Value2.42.52.50.026
Percentage of LongtermDebtWeightedAverageInterestRate100.0100.0100.0100.0

us-gaap:LongtermDebtWeightedAverageInterestRate us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Longterm
Period End2020-12-31
Value2.5
Percentage of LongtermDebtWeightedAverageInterestRate0.0

us-gaap:MinorityInterestOwnershipPercentageByParent dei:LegalEntity, us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByParent

gnl:ARGlobalLLC, gnl:GlobalNetLeaseAdvisorsLLC


Minority
Period End2021-03-312020-12-312020-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-08-152017-06-30
Value95.095.095.00.950.950.950.950.950.950.90.90.950.9
Percentage of MinorityInterestOwnershipPercentageByParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OffMarketLeaseUnfavorable

us-gaap:OffMarketLeaseUnfavorable


Off
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value494245393131303325262727282020218.7438.8276.6515.8543.8720.0
Percentage of OffMarketLeaseUnfavorable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PreferredStockValue us-gaap:StatementClassOfStock

us-gaap:PreferredStockValue

us-gaap:SeriesAPreferredStock


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-09-302016-12-31
Value68000.068000.068000.068000.068000.068000.068000.054000.040000.00
Percentage of PreferredStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:SeriesBPreferredStock


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value45000.045000.039000.037000.035000.035000.035000.00
Percentage of PreferredStockValue66.266.257.454.451.551.551.50.0

us-gaap:PrepaidExpenseAndOtherAssets

us-gaap:PrepaidExpenseAndOtherAssets


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value994343453739374179812234513022201919171717433839312824159.365163.4541.3131.2810.0280.0760.0670.0290.0
Percentage of PrepaidExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAccumulatedDepreciation


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302014-12-312013-12-312012-12-312011-12-31
Value355266220174111680.025210.8690.0120.0
Percentage of RealEstateAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value30812655232121171947163316651692168517021542151215191015447253104386.0071.1381.210.0
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand


Real
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value4764143984184023963893823763273373423413443293243262491398144186.7250.4880.5190.0
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfLand100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateGrossAtCarryingValue


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value36063111274525432344202818551491.7290.0
Percentage of RealEstateGrossAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value75371067562557954351749948146743742039137533930827624221619917915713310987634230156.9242.3070.9480.2050.070.030.0
Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RealEstateInvestmentPropertyAtCost

us-gaap:RealEstateInvestmentPropertyAtCost


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value456642954318395138723827376335013497341434203357327332873172309130382965293124582513255325462571235823152340169481751019690202.4312.5850.0
Percentage of RealEstateInvestmentPropertyAtCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RealEstateInvestmentPropertyAtCost us-gaap:StatementBusinessSegments

gnl:RealEstateInvesting


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value4318376334203172293125462340
Percentage of RealEstateInvestmentPropertyAtCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAtCost us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

country:CA, gnl:RealEstateInvesting


Real
Period End2020-12-312019-12-312018-12-31
Value117.2230.0
Percentage of RealEstateInvestmentPropertyAtCost0.30.20.0

country:GB, gnl:RealEstateInvesting


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value630593586621
Percentage of RealEstateInvestmentPropertyAtCost14.615.817.219.6

country:US, gnl:RealEstateInvesting


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value2936249620731625
Percentage of RealEstateInvestmentPropertyAtCost68.066.460.651.2

srt:Europe, gnl:RealEstateInvesting


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value740665761925
Percentage of RealEstateInvestmentPropertyAtCost17.217.722.229.2

us-gaap:RealEstateInvestmentPropertyNet

us-gaap:RealEstateInvestmentPropertyNet


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value381235843643332632933284324630013015294629822937288129122832278227612723271522592334239624122461227122522297166480250319489202.3612.5550.0
Percentage of RealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RelatedPartyTransactionDueFromToRelatedParty gnl:RelatedPartyTransactionByFrequency, gnl:RelatedPartyTransactionsByCost, gnl:RelatedPartyTransactionsByCostStatus

us-gaap:RelatedPartyTransactionDueFromToRelatedParty

gnl:RecurringFees, gnl:IncentiveCompensation, gnl:Payable


Related
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302017-12-31
Value-24000.000000000
Percentage of RelatedPartyTransactionDueFromToRelatedParty100.00.00.00.00.00.00.00.00.0

us-gaap:RelatedPartyTransactionDueFromToRelatedParty gnl:RelatedPartyTransactionsByCostStatus

gnl:Payable


Related
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value-24000.0000000-49000.0-49000.0-49000.0-49000.0-348000.0-688000.0377000.02367000.0-3500000.0774000.054000.0
Percentage of RelatedPartyTransactionDueFromToRelatedParty100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalents


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value2.0531.3521.4480.8080.7584.3553.9853.95123.3683.3693.4912.8732.695.3025.3145.1395.1497.4973.663.3344.313.3194.0764.1224.8526.1047.1922.0122.2880.7370.0
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements


S
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value48412423200.189.706
Percentage of SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements100.0100.0100.0100.0100.0100.0100.0

us-gaap:SecuredDebt

us-gaap:SecuredDebt


Secured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1487134713631417130312491272136612861131112997497510389847947737587495025075255315093372612811721791717631101.1551.2280.0
Percentage of SecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:SeniorNotes

us-gaap:SeniorNotes


Senior
Period End2021-06-302021-03-312020-12-31
Value491490490
Percentage of SeniorNotes100.0100.0100.0

us-gaap:SeniorNotes us-gaap:DebtInstrument, us-gaap:LongtermDebtType

gnl:SeniorNotesDue2027, us-gaap:SeniorNotes


Senior
Period End2021-06-302021-03-312020-12-31
Value491490490
Percentage of SeniorNotes100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock, gnl:RestrictedSharePlan


Share
Period End2021-06-302020-12-312020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value18.6715.3515.3520.4720.4920.4922.0422.0522.0524.298.368.579.09.09.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU, gnl:RestrictedSharePlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value16.4715.8815.3515.3515.3520.4720.4720.4922.04
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue88.20.0100.00.0100.00.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

gnl:A2021EquityPlan


Share
Period End2021-04-12
Value6300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized us-gaap:PlanName, us-gaap:SubsequentEventType

gnl:A2021EquityPlan, us-gaap:SubsequentEvent


Share
Period End2021-04-12
Value6300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0

us-gaap:TaxBasisOfInvestmentsCostForIncomeTaxPurposes

us-gaap:TaxBasisOfInvestmentsCostForIncomeTaxPurposes


Tax
Period End2020-12-31
Value3800
Percentage of TaxBasisOfInvestmentsCostForIncomeTaxPurposes100.0

us-gaap:UnsecuredDebt

us-gaap:UnsecuredDebt


Unsecured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value2912873004173983903973892772732782822242362292260.0
Percentage of UnsecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:UnsecuredDebt us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

gnl:TermLoanFacility, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Unsecured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value291287300417398390397389277273278282224236229
Percentage of UnsecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnsecuredDebt us-gaap:Currency, us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

currency:EUR, gnl:TermLoanFacility, gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility, gnl:KeyBankNationalAssociation, us-gaap:UnsecuredDebt


Unsecured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value247247247359359359359359246246246246194194
Percentage of UnsecuredDebt84.986.082.386.290.192.190.492.288.990.188.487.386.784.7

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
us-gaap:StatementEquityComponents
(None,)
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Taxus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:LongTermDebt
us-gaap:Currency, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
(None, 'gnl:SeniorUnsecuredMultiCurrencyRevolvingCreditFacility', 'gnl:KeyBankNationalAssociation', 'us-gaap:UnsecuredDebt')
Long Term Debtus-gaap: Currency, us-gaap: Debt Instrument, us-gaap: Line Of Credit Facility, us-gaap: Longterm Debt Type
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
(None, 'us-gaap:PreferredStock')
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Class Of Stock, us-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementClassOfStock
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Class Of Stock
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents
(None,)
Minority Interest Decrease From Distributions To Noncontrolling Interest Holdersus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components