MGP


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

Table of contents


us-gaap:StatementEquityComponents
us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
us-gaap:StatementClassOfStock

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:StatementClassOfStock
dei:LegalEntity, us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:StatementClassOfStock
us-gaap:EarningsPerShareBasic
us-gaap:StatementClassOfStock
us-gaap:EarningsPerShareDiluted
us-gaap:StatementClassOfStock
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
us-gaap:StatementClassOfStock
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:ComprehensiveIncomeNetOfTax
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostsAndExpenses
dei:LegalEntity

us-gaap:GainsLossesOnExtinguishmentOfDebt
dei:LegalEntity

us-gaap:GeneralAndAdministrativeExpense
dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperations
dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:IncomeTaxExpenseBenefit
dei:LegalEntity

us-gaap:InterestExpense
dei:LegalEntity

us-gaap:InterestPaidNet
dei:LegalEntity

us-gaap:NetIncomeLoss
dei:LegalEntity

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
dei:LegalEntity
us-gaap:StatementEquityComponents

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

us-gaap:OtherNonoperatingIncomeExpense
dei:LegalEntity

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

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

us-gaap:Revenues
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:Assets
dei:LegalEntity
us-gaap:ConsolidatedEntities, us-gaap:Ownership

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

us-gaap:LiabilitiesAndStockholdersEquity
dei:LegalEntity

us-gaap:StockholdersEquity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity

us-gaap:OperatingLeaseRightOfUseAsset
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:OtherAssets

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

us-gaap:DeferredIncomeTaxLiabilitiesNet
dei:LegalEntity

us-gaap:MinorityInterest

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability
dei:LegalEntity

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

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

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
dei:LegalEntity

us-gaap:AmortizationOfFinancingCosts

us-gaap:DepreciationDepletionAndAmortization
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetIncomeLoss
dei:LegalEntity

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

us-gaap:ShareBasedCompensation
dei:LegalEntity
us-gaap:AssetAcquisition
us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:PaymentsOfDividendsCommonStock
dei:LegalEntity
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:DeferredTaxLiabilities

mgp:AccrualofDividendsandDistributionsPayable
dei:LegalEntity

mgp:AmortizationAndWriteOffOfDebtIssuanceCostsAndDiscounts
dei:LegalEntity

mgp:DeemedContributionsUnderTaxSharingAgreement
dei:LegalEntity

mgp:IncomeLossFromContinuingOperationsNetOfTaxAttributableToRedeemableNoncontrollingInterest
dei:LegalEntity
us-gaap:ConsolidatedEntities, us-gaap:Ownership
mgp:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterestAfterAcquisition
us-gaap:ConsolidatedEntities, us-gaap:Ownership
mgp:LimitedLiabilityCompanyorLimitedPartnershipMembersorLimitedPartnersUnitsOwned

mgp:NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:StatementEquityComponents
dei:LegalEntity
mgp:NetIncomeLossIncludingPortionAttributableToRedeemableNoncontrollingInterest

mgp:NetIncomeLossfromContinuingOperationsAvailabletoCommonShareholdersBasicandDiluted
dei:LegalEntity

mgp:NetIncomeLossfromDiscontinuedOperationsAvailabletoCommonShareholdersBasicandDiluted

mgp:Noncashgroundlease
dei:LegalEntity

mgp:NoncontrollingInterestIncreasefromDeemedContributionTaxSharingAgreement
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransaction
mgp:OperatingLeaseLeaseAnnualRentAmount
us-gaap:RelatedPartyTransaction, us-gaap:SubsequentEventType
us-gaap:RelatedPartyTransaction
mgp:OperatingLeasesFixedAmountAdjustmentMultiplier

mgp:OtherComprehensiveIncomeLossExcludingRedeemableNoncontrollingInterestNetofTax
us-gaap:StatementEquityComponents

mgp:OtherComprehensiveIncomeLossIssuancesofSharesNetofTax
us-gaap:StatementEquityComponents
dei:LegalEntity
mgp:PartnersCapitalJointVentureTransaction
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:PropertyTransactionsNet
dei:LegalEntity

mgp:ReimbursableExpense
dei:LegalEntity
dei:LegalEntity
mgp:StockRedeemedDuringPeriodPricePerShare
us-gaap:Ownership, us-gaap:PreferredUnitsByName
mgp:StockRedeemedOrCalledDuringPeriodUsingCashShares
us-gaap:Ownership
mgp:StockRedeemedOrCalledDuringPeriodUsingProceedsFromShareIssuancesShares

mgp:StockholdersEquityJointVentureTransaction
us-gaap:StatementEquityComponents

mgp:TemporaryEquityContributionsReceived

mgp:TemporaryEquityDividendsDeclared

mgp:TemporaryEquitySharebasedCompensation

us-gaap:AmortizationOfDeferredHedgeGains
dei:LegalEntity

us-gaap:AmortizationOfLeaseIncentives
dei:LegalEntity

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestPeriodIncreaseDecrease
us-gaap:StatementEquityComponents

us-gaap:BusinessCombinationAcquisitionRelatedCosts
dei:LegalEntity

us-gaap:CommonStockDividendsPerShareDeclared
dei:LegalEntity

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
dei:LegalEntity

us-gaap:DerivativeGainLossOnDerivativeNet
dei:LegalEntity
us-gaap:Ownership, us-gaap:DerivativeInstrumentRisk

us-gaap:EquityMethodInvestmentDividendsOrDistributions
dei:LegalEntity
dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

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

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
dei:LegalEntity

us-gaap:IncreaseDecreaseInDueToAffiliates
dei:LegalEntity

us-gaap:IncreaseDecreaseInInterestPayableNet
dei:LegalEntity

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
dei:LegalEntity

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

us-gaap:LineOfCreditAssumed1
dei:LegalEntity

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

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
dei:LegalEntity
dei:LegalEntity
us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted
dei:LegalEntity, us-gaap:StatementOperatingActivitiesSegment
dei:LegalEntity
us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic
dei:LegalEntity, us-gaap:StatementOperatingActivitiesSegment
dei:LegalEntity, us-gaap:BusinessAcquisition
us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1
us-gaap:BusinessAcquisition
us-gaap:ProductOrService
us-gaap:OperatingLeaseLeaseIncome
us-gaap:ProductOrService, us-gaap:RelatedPartyTransaction

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
dei:LegalEntity
us-gaap:PartnersCapitalAccountRedemptions
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:PartnersCapitalAccountSaleOfUnits
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:StatementEquityComponents
dei:LegalEntity
us-gaap:PartnersCapitalOther
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:PaymentsForRepurchaseOfOtherEquity
dei:LegalEntity

us-gaap:PaymentsOfFinancingCosts
dei:LegalEntity

us-gaap:ProceedsFromIssuanceInitialPublicOffering
dei:LegalEntity

us-gaap:ProceedsFromIssuanceOfDebt
dei:LegalEntity
dei:LegalEntity, us-gaap:ConsolidatedEntities
us-gaap:ProceedsFromIssuanceOrSaleOfEquity
us-gaap:Ownership

us-gaap:ProceedsFromLongTermLinesOfCredit
dei:LegalEntity

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
dei:LegalEntity

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit
dei:LegalEntity

us-gaap:ProceedsFromSaleOfProductiveAssets
dei:LegalEntity

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ReclassificationsOfTemporaryToPermanentEquity
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock
us-gaap:SaleOfStockConsiderationReceivedOnTransaction
us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock
us-gaap:Ownership, us-gaap:PreferredUnitsByName, us-gaap:SubsidiarySaleOfStock
us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock
us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
dei:LegalEntity, us-gaap:ConsolidatedEntities
us-gaap:StockRedeemedOrCalledDuringPeriodShares
us-gaap:Ownership
us-gaap:Ownership, us-gaap:PreferredUnitsByName

us-gaap:StockRedeemedOrCalledDuringPeriodValue
dei:LegalEntity
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOtherShares

us-gaap:StraightLineRent
dei:LegalEntity
us-gaap:Ownership
us-gaap:SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest

us-gaap:TemporaryEquityAccretionToRedemptionValue

us-gaap:TemporaryEquityNetIncome

us-gaap:TemporaryEquityOtherChanges
dei:LegalEntity
us-gaap:WeightedAverageLimitedPartnershipAndGeneralPartnershipUnitsOutstandingBasic
dei:LegalEntity
us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment
dei:LegalEntity
us-gaap:StatementClassOfStock
dei:EntityCommonStockSharesOutstanding
us-gaap:CounterpartyName, us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
mgp:BusinessCombinationConsiderationTransferredExchangeRatioPricePerShare
us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
mgp:BusinessCombinationNumberOfSharesRetained
us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock
mgp:CommonStockValueAuthorizedAmountRemaining
dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
mgp:ControllingInterestOwnershipPercentage
us-gaap:DerivativeInstrumentRisk
mgp:DerivativeNotionalAmountDeDesignated

mgp:IncreaseDecreaseinRentPaymentsDueUnderLease
us-gaap:AssetAcquisition, us-gaap:RelatedPartyTransaction
us-gaap:RelatedPartyTransaction
us-gaap:RelatedPartyTransaction, us-gaap:SubsequentEventType
us-gaap:AssetAcquisition, us-gaap:RelatedPartyTransaction
mgp:LessorOperatingLeaseFixedRentPortion

mgp:LessorOperatingLeasePaymentToBeReceivedAfterYearFour

mgp:NonNormalTenantImprovements
us-gaap:RelatedPartyTransaction
mgp:OperatingLeaseAnnualRentEscalatorRate
us-gaap:RelatedPartyTransaction, us-gaap:SubsequentEventType

mgp:OperatingLeaseLeaseAnnualCashRentAmount

srt:RealEstateFederalIncomeTaxBasis

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
dei:LegalEntity

us-gaap:ContractWithCustomerLiability
dei:LegalEntity

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredRevenueLeasesNet
dei:LegalEntity

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeAverageFixedInterestRate

us-gaap:DerivativeFairValueOfDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeLiabilityNotionalAmount
us-gaap:HedgingDesignation
us-gaap:Ownership, us-gaap:DerivativeInstrumentRisk

us-gaap:DividendsPayableCurrentAndNoncurrent
dei:LegalEntity

us-gaap:DueToAffiliateCurrentAndNoncurrent
dei:LegalEntity
us-gaap:Ownership
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases
dei:LegalEntity

us-gaap:InterestPayableCurrentAndNoncurrent
dei:LegalEntity

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure
dei:LegalEntity

us-gaap:LeaseIncentiveReceivable
dei:LegalEntity

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
dei:LegalEntity
us-gaap:LimitedPartnersCapitalAccount
dei:LegalEntity
us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding
us-gaap:Ownership
dei:LegalEntity, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:CreditFacility, us-gaap:DebtInstrument
dei:LegalEntity, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:LoansAndLeasesReceivableNetReportedAmount
dei:LegalEntity

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:OtherLiabilities
dei:LegalEntity
us-gaap:PartnersCapital
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:PrepaidExpenseAndOtherAssets
dei:LegalEntity

us-gaap:RealEstateAccumulatedDepreciation
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:RealEstateGrossAtCarryingValue
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAtCost
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:RealEstateInvestmentPropertyNet
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
dei:LegalEntity

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:SecuredDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:SeniorNotes

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
NonCurrent Assets
Operating Lease Right Of Use Asset
Liabilities
Accounts Payable And Accrued Liabilities Current And Noncurrent
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStockNANANA131.455131.455131.347113.80795.46892.63990.46170.91170.91170.91170.89770.897NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁154.547135.936NA131.699969131.637018123.259223NA93.3229491.20839884.303041NA71.20179171.18499671.13092NA60.755186NA57.78424
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁154.367135.709NA131.567362131.526763123.259223NA93.16544391.01155984.043706NA71.00505270.99309170.970141NA60.614664NA57.506195
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount dei:LegalEntity,us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities mgp:MGPOperatingPartnership,us-gaap:StockCompensationPlanNA0.1NA0.10.10.3NANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:StockCompensationPlanNA0.1NA0.10.10.3NANA0.0NANANANANANANANANA
 us-gaap:EarningsPerShareBasic us-gaap:StatementClassOfStock us-gaap:CommonClassA▇█▇▇▇▁▆▆▆▆▆▇▆▆▅▆▆▆0.280.440.319999999999999950.340.3-0.40.250.240.240.240.25999999999999990.270.190.220.120.180.190.2
 us-gaap:EarningsPerShareDiluted us-gaap:StatementClassOfStock us-gaap:CommonClassA▇█▇▇▇▁▆▆▆▆▆▇▆▆▅▆▆▆0.280.440.319999999999999950.340.3-0.40.250.240.240.240.25999999999999990.270.180.220.109999999999999990.180.180.2
 us-gaap:IncomeLossFromContinuingOperationsPerBasicShare us-gaap:StatementClassOfStock us-gaap:CommonClassANANA3.1999999999999995e-073.4000000000000003e-073e-07-4.0000000000000003e-072.5e-072.4e-072.4e-071.8e-071.9999999999999996e-072.2e-071.9e-07NANANANANA
 us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare us-gaap:StatementClassOfStock us-gaap:CommonClassANANA3.1999999999999995e-073.4000000000000003e-073e-07-4.0000000000000003e-072.5e-072.4e-072.4e-071.8e-071.9999999999999996e-072.2e-071.8e-07NANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 Cost Ratio dei:LegalEntity mgp:MGPOperatingPartnership▂▂▂▂▂▃▄▄▄▇▃█▄▃▃▁▁▁194.342194.342194.343194.342194.342209.57225.885226.011225.759271.264216.607282.221220.39215.839214.542182.798184.456183.899
 EBT Margin dei:LegalEntity mgp:MGPOperatingPartnership▁▁▁▁▁▂▄▄▄▇▃█▃194.342194.342194.343194.342194.342209.57225.885226.011225.759271.264216.607282.221220.39NANANANANA
 EBT Margin us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName mgp:MGPBREITVentureNANA98.68198.68198.68150.437NANANANANANANANANANANANA
 Net profit Margin dei:LegalEntity mgp:MGPOperatingPartnership▂▂▂▂▂▃▄▄▄▇▃█▄▃▃▁▁▁194.342194.342194.343194.342194.342209.57225.885226.011225.759271.264216.607282.221220.39215.839214.542182.798184.456183.899
 Net profit Margin us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName mgp:MGPBREITVenture█████▁98.68198.68198.68198.68198.68150.437NANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▇█▇▇▇▁▇▆▅▆▅▆▆▆▅▅▅▅45.54767.79746.87243.69438.005-87.27936.99716.28212.21115.23812.40920.74714.82120.18812.12711.5069.70511.198
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▇███▇▁█▇▇▇▇█▇█▇▇▇▇30.97464.19156.74654.44351.629-133.36366.34133.00124.78335.51432.89853.91239.51954.33632.3733.94830.05834.86
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▇█▇▇▇▁▇▆▆▆▆▇▆▇▆▆▆▆76.521131.988103.61898.13789.634-220.642103.33849.28336.99450.75245.30774.65954.3474.52444.49745.45439.76346.058
us-gaap:CostsAndExpenses ▁▁▁▁▁█▂▂▂▄▄▄▃▂▃▂▂▂68.31468.35968.26167.63668.348268.52782.54992.36689.731140.0153.331147.432119.865106.057133.32493.4294.28991.877
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA0.00.00.0-18.129-6.1610.00.00.00.00.0-1.718-1.0180.00.0-0.7980.0
 us-gaap:GainsLossesOnExtinguishmentOfDebt dei:LegalEntity mgp:MGPOperatingPartnershipNANA0.00.00.0-18.129-6.1610.00.00.00.00.0-1.718-1.0180.00.0-0.7980.0
us-gaap:GeneralAndAdministrativeExpense ▄▃▄▃▃▆▄▅▃▄█▃▁▄▄▁▁▁4.3063.6593.9873.4763.7314.8824.2114.4763.6914.2376.0933.4222.7553.9083.9662.8822.6612.68
us-gaap:IncomeLossFromContinuingOperations NANA91.2697.40897.025-125.32272.87968.55367.76950.14851.93755.97448.059NANANANANA
 us-gaap:IncomeLossFromContinuingOperations dei:LegalEntity mgp:MGPOperatingPartnershipNANA91.2697.40897.025-125.32272.87968.55367.76950.14851.93755.97448.059NANANANANA
us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity NANA49.77754.0356.009-75.57446.94746.03845.91134.97537.7640.20834.913NANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇█▇▇▇▁▇▇▇▆▆▆▆75.461118.20194.63100.1499.524-124.18974.70670.53271.7949.91952.57258.62449.322NANANANANA
us-gaap:IncomeTaxExpenseBenefit ▂▄▅▄▃▁▂▃▆▄▄█▁▁▁▂▁▁1.7642.7923.372.7322.4991.1331.8271.9794.0212.6613.0755.2661.2631.2311.0031.4881.1771.238
us-gaap:InterestExpense ██▇▅▄▂▅▆▇▇▅▅▂▂▂▁▁▁68.74168.44664.23759.97455.37749.19858.97163.04863.97763.94858.28358.74349.27649.2349.17745.54444.81844.636
us-gaap:InterestPaidNet ▅▄▆▄▂▄▄█▅▃▇▃▄▁▄56.04849.9659.56449.43942.77751.38850.9766.54855.10347.99561.80647.99651.45638.17150.956NANANA
us-gaap:NetIncomeLoss ▇█▇▇▇▁▆▆▆▅▅▅▅▅▅▅▅▅43.88959.59841.48343.37841.016-49.74825.93222.51521.85819.95518.60519.48413.14615.838.72211.02510.6811.348
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▇████▁█▇▇▇██▇▇▆▇▇▇29.80855.81149.77754.0356.009-75.57446.94746.03845.91146.40949.94650.43934.91342.33923.00132.67533.19535.344
us-gaap:NonoperatingIncomeExpense ▃█▅▆▆▁▁▂▂▂▂▂▃▃▃▄▄▄-50.567-7.782-31.452-26.566-26.47-65.232-68.63-63.113-64.238-62.239-59.037-59.6-51.203-50.382-48.492-44.19-45.115-44.092
 us-gaap:NonoperatingIncomeExpense dei:LegalEntity mgp:MGPOperatingPartnership▃█▅▆▆▁▁▂▂▂▂▂▃▃▃▄▄▄-50.567-7.782-31.452-26.566-26.47-65.232-68.63-63.113-64.238-62.239-59.037-59.6-51.203-50.382-48.492-44.19-45.115-44.092
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax 2.824NANA0.729-7.391-95.32NA-19.27-30.775-15.612NANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▇▇▆▆▁█▅▅▅▅▇▇▇▇▆▆▆2.82416.57912.3580.729-7.391-95.3230.459-19.27-30.775-15.612-23.2444.7366.28116.35512.7741.754-4.112-0.634
us-gaap:OtherNonoperatingIncomeExpense █████▁▅█████▇▇████-0.725-0.197-0.182-0.036-0.413-18.368-6.809-0.306-0.363-0.137-0.782-1.02-3.205-2.184-0.183-0.126-1.178-0.134
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity mgp:MGPOperatingPartnership█████▁▅█████▇▇████-0.725-0.197-0.182-0.036-0.413-18.368-6.809-0.306-0.363-0.137-0.782-1.02-3.205-2.184-0.183-0.126-1.178-0.134
us-gaap:ProfitLoss ▇█▇▇▇▁▇▇▇▇▇▇▆▆▆▆▆▆73.697115.40991.2697.40897.025-125.32272.87968.55367.76966.36468.55169.92348.05958.16931.72343.743.87546.692
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▂▂▂▂▂▃▄▄▄▇▃█▄▃▃▁▁▁194.342194.342194.343194.342194.342209.57225.885226.011225.759271.264216.607282.221220.39215.839214.542182.798184.456183.899
us-gaap:Revenues ▂▂▂▂▂▃▄▄▄▇██▄▃▃▁▁▁194.342194.342194.343194.342194.342209.57225.885226.011225.759271.264283.994282.221220.39215.839214.542182.798184.456183.899
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets ▃▃▄▄▄▇▇▇▇█▅▅▃▃▃▃▁▁10147.48610062.22510600.30610691.58810823.50211921.82511910.27211929.56311912.80812326.68510951.30711024.2210270.06510309.99410351.1210110.4249392.8239449.452
us-gaap:Liabilities ▆▅▆▃▃▅▆███▆▆▃▃▃▃▁▁5001.3694972.3945009.5644368.5724454.0564796.4085012.265545.2595526.2765609.7685105.8015109.0174295.7624277.4484283.3814270.0773885.4793887.415
us-gaap:LiabilitiesAndStockholdersEquity ▃▃▄▄▄▇▇▇▇█▅▅▃▃▃▃▁▁10147.48610062.22510600.30610691.58810823.50211921.82511910.27211929.56311912.80812326.68510951.30711024.2210270.06510309.99410351.1210110.4249392.8239449.452
us-gaap:StockholdersEquity ██▆▆▆▇▆▃▃▃▁▁▁▁▁3026.4582966.8522640.2372518.0282555.1962816.7332514.8992074.512033.222037.5821565.9711584.4361599.9861615.2711624.65NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▂▃▄▄█▂▂▁▁▁▁▂298.175143.231626.385655.169725.8891762.616202.101153.52653.5662.6493.9958.051289.909NA259.722NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:OperatingLeaseRightOfUseAsset ██████████▁280.855280.708280.565280.43280.307280.189280.093280.02279.966280.4010.0NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:LongTermDebt ▄▄▄▁▁▃▅███▇▇▃▃▃▃▁▁4162.9184161.4394168.9593516.4773614.7493973.4094307.3544847.4084852.5244939.7024666.9494684.7173923.2243925.2033934.6283940.8033601.2143606.973
us-gaap:DeferredIncomeTaxLiabilitiesNet ▇▇▇▄▄▄▄▄▄█▇▆▃▃▃▁▁▁33.29833.29833.29829.90929.90929.90929.90929.72129.72134.64233.63431.39228.54428.54428.54425.36825.36825.368
us-gaap:MinorityInterest ▁▁▃▄▄▃▇▇▇█▇▇▇▇▇▇▇▇2119.6592122.9792950.5053104.9883114.252725.1284383.1134309.7944353.3124679.3354279.5354330.7674374.3174417.2754443.0894217.5344194.5684239.164
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA25.015NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA24.875NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA24.846NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA24.846NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA1307.958NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:StockholdersEquity ██▆▆▆▇▆▃▃▃▁▁▁▁▁3026.4582966.8522640.2372518.0282555.1962816.7332514.8992074.512033.222037.5821565.9711584.4361599.9861615.2711624.65NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▁▁▃▃▃▃█▆▆▇▄▄▄▅▅▄▃▃5146.1175089.8315590.7425623.0165669.4465541.8616898.0126384.3046386.5326716.9175845.5065915.2035974.3036032.5466067.7395840.3475507.3445562.037
us-gaap:AdditionalPaidInCapitalCommonStock ██▇▆▆▇▅▄▄▄▂▂▂▂▂▂▁▁3554.8213459.5993114.3312970.9052987.6823218.4142766.3252307.4632237.3852210.5451712.6711711.8131717.0861716.71716.491697.0141370.371363.27
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▂▃▃▅▅▆▆▆▆▇▇▇▇██-475.978-439.194-422.897-400.294-379.587-356.518-244.381-216.824-194.469-173.017-150.908-137.781-126.241-108.895-94.948-73.893-56.914-40.692
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▁▁▁▂▆▅▆▇▇███▇▇▇▇-52.385-53.553-51.197-52.583-52.899-45.163-7.045-16.129-9.6960.0544.20810.4049.1417.4663.108-0.308-0.680.295
us-gaap:MinorityInterest ▁▁▃▄▄▃▇▇▇█▇▇▇▇▇▇▇▇2119.6592122.9792950.5053104.9883114.252725.1284383.1134309.7944353.3124679.3354279.5354330.7674374.3174417.2754443.0894217.5344194.5684239.164
us-gaap:StockIssuedDuringPeriodValueNewIssues ▂█▁▁▁▆▇▂▂▇116.535676.0340.00.00.0506.198550.64486.06364.908548.391NANANANA0.0387.5480.0NA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▄▁▃▃▃▄█▄▃▅138.03131.025136.483135.745134.539137.199147.349138.73136.671139.279NA116.395114.399111.733NA101.22295.99594.109
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▁169.935168.072NANA182.055175.901NANANA-439.533147.12148.754139.109145.224118.723133.137111.527119.191
us-gaap:NetCashProvidedByUsedInFinancingActivities █▁-14.991-651.226NANA-1219.3131326.53NANANA453.778-136.02645.976-129.304-124.652-534.814628.822-102.983-111.385
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity mgp:MGPOperatingPartnership█▁-14.991-651.226NANA-1219.3131326.53-136.648-59.513-163.996453.778-136.02645.976-129.304-124.652-534.814628.822-102.983-111.385
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▂▄▄▁█▄▄▄▄▄▃154.944-483.154-28.784-70.72-1036.7271560.51548.57599.9650.917-1.346-4.056-281.858NANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AmortizationOfFinancingCosts NANANA2.62.22.5NA3.23.23.1NA3.33.13.0NA2.82.82.8
us-gaap:DepreciationDepletionAndAmortization ▁█57.77257.937NA58.2458.40562.047NA71.95779.54375.009NA66.57867.47468.991NA68.662NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities █▁169.935168.072NANA182.055175.901NANANA-439.533147.12148.754139.109145.224118.723133.137111.527119.191
us-gaap:NetIncomeLoss ▇█▇▇▇▁▆▆▆▅▅▅▅▅▅▅▅▅43.88959.59841.48343.37841.016-49.74825.93222.51521.85819.95518.60519.48413.14615.838.72211.02510.6811.348
us-gaap:ProfitLoss ▇█▇▇▇▁▇▇▇▇▇▇▆▆▆▆▆▆73.697115.40991.2697.40897.025-125.32272.87968.55367.76966.36468.55169.92348.05958.16931.72343.743.87546.692
us-gaap:ShareBasedCompensation ▇██▆▅▇▆▄▅▅▅▅▅▃▃▃▃▁0.7580.8520.8580.6390.6030.7540.6690.5190.5240.5650.5770.5760.5560.3840.3930.3930.3620.188
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:PaymentsToAcquireProductiveAssets us-gaap:AssetAcquisition mgp:MGMSpringfieldNANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities █▁-14.991-651.226NANA-1219.3131326.53NANANA453.778-136.02645.976-129.304-124.652-534.814628.822-102.983-111.385
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity mgp:MGPOperatingPartnership█▁-14.991-651.226NANA-1219.3131326.53-136.648-59.513-163.996453.778-136.02645.976-129.304-124.652-534.814628.822-102.983-111.385
us-gaap:PaymentsOfDividendsCommonStock ▅▆▇▇█▇▆▆▆▄▃▃▃▃▂▁▁▁131.026136.484147.941147.941158.488147.349138.73136.671139.279119.055116.395114.399111.733111.733101.22295.99494.1194.109
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LineOfCreditFacility mgp:SeniorCreditFacilityTermLoanA,mgp:OperatingPartnershipCreditAgreementNANA1.8999999999999998e-06NANANA3.5499999999999994e-08NANANA4.5199999999999994e-08NANA4.38e-084.32e-083.9849999999999996e-083.98e-083.73e-08

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStock


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value131131131113959290707070707057
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-03-31
Value1541351311311239391847171716057
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value154135131131123939171716057575757
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-03-31
Value1541351311311239391847170706057
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value154135131131123939170706057575757
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount dei:LegalEntity, us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

mgp:MGPOperatingPartnership, us-gaap:StockCompensationPlan


Antidilutive
Period End2021-03-312020-09-302020-06-302020-03-31
Value100000.0100000.0100000.0300000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:StockCompensationPlan


Antidilutive
Period End2021-03-312020-09-302020-06-302020-03-312019-06-30
Value100000.0100000.0100000.0300000.00
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.00.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic us-gaap:StatementClassOfStock

us-gaap:EarningsPerShareBasic

us-gaap:CommonClassA


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-30
Value0.280.440.320.340.3-0.40.250.240.240.240.260.270.190.220.120.180.190.20.210.180.120
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted us-gaap:StatementClassOfStock

us-gaap:EarningsPerShareDiluted

us-gaap:CommonClassA


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302015-06-30
Value0.280.440.320.340.3-0.40.250.240.240.240.260.270.180.220.110.180.180.20.180.120
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare us-gaap:StatementClassOfStock

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:CommonClassA


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.320.340.3-0.40.250.240.240.180.20.220.19
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare us-gaap:StatementClassOfStock

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:CommonClassA


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.320.340.3-0.40.250.240.240.180.20.220.18
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4567464338-87.279361612151220142012119.7051112106.953-67.97
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.434.90.022.519.6-41.616.47.25.45.65.77.46.79.45.76.35.36.10.00.00.00.0

us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity

mgp:MGPOperatingPartnership


Comprehensive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value761319889-220.6424936
Percentage of ComprehensiveIncomeNetOfTax168.0194.7224.6235.8252.8302.7303.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.467.950.546.1-105.321.816.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership39.467.950.546.1-105.321.816.4

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3064565451-133.36366332435325339543233303440322.6930.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.933.00.028.026.6-63.629.414.611.013.115.219.117.925.215.118.616.319.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value761311039889-220.642103493650457454744445394652429.646-67.97
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.467.90.050.546.1-105.345.721.816.418.720.926.524.734.520.724.921.625.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value686868676826882928914015314711910613393949188857167706861
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.235.20.034.835.2128.136.540.939.751.670.852.254.449.162.151.151.150.00.00.00.00.00.00.00.0

us-gaap:CostsAndExpenses dei:LegalEntity

mgp:MGPOperatingPartnership


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value686868676826882928914015314711910613393949188857167
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.235.20.034.835.2128.136.540.939.751.670.852.254.449.162.151.151.150.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership35.235.20.034.835.2128.136.540.939.751.670.852.254.449.162.151.151.150.00.00.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302020-06-302020-03-312019-11-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value000-18129000.0-6200000.0-6161000.000000-1718000.0-1018000.000-798000.00
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.00.0100.0100.0100.00.00.00.00.00.0100.0100.00.00.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.0-8.70.0-2.70.00.00.00.00.0-0.8-0.50.00.0-0.40.0

us-gaap:GainsLossesOnExtinguishmentOfDebt dei:LegalEntity

mgp:MGPOperatingPartnership


Gains
Period End2020-12-312020-09-302020-06-302020-02-142020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value000-18100000.0-18129000.0-6161000.000000-1718000.0-1018000.000-798000.00
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.00.0100.00.0100.00.00.00.00.00.0100.0100.00.00.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0-8.7-2.70.00.00.00.00.0-0.8-0.50.00.0-0.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership0.00.00.00.0-8.7-2.70.00.00.00.00.0-0.8-0.50.00.0-0.40.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value4.3063.6593.9873.4763.7314.8824.2114.4763.6914.2376.0933.4222.7553.9083.9662.8822.6612.683.4062.7014.3880.00.00.00.0
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.21.90.01.81.92.31.92.01.61.62.81.21.31.81.81.61.41.50.00.00.00.00.00.00.0

us-gaap:GeneralAndAdministrativeExpense dei:LegalEntity

mgp:MGPOperatingPartnership


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4.3063.6593.9873.4763.7314.8824.2114.4763.6914.2376.0933.4222.7553.9083.9662.8822.6612.683.4062.7013.7890.0
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.086.30.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.21.90.01.81.92.31.92.01.61.62.81.21.31.81.81.61.41.50.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership2.21.90.01.81.92.31.92.01.61.62.81.21.31.81.81.61.41.50.00.00.00.0

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value919797-125.32272686750515548
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.050.149.9-59.832.330.330.018.524.019.821.8

us-gaap:IncomeLossFromContinuingOperations dei:LegalEntity

mgp:MGPOperatingPartnership


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value919797-125.32272686750515548
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.050.149.9-59.832.330.330.018.524.019.821.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership0.050.149.9-59.832.330.330.018.524.019.821.8

Income Loss From Continuing Operations Attributable To Noncontrolling Entity

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value495456-75.57446464534374034
Percentage of IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.027.828.8-36.120.820.420.312.917.414.215.8

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302016-09-302015-09-30
Value751189410099-124.1897470714952584943-68.775
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.860.80.051.551.2-59.333.131.231.818.424.320.822.40.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity

mgp:MGPOperatingPartnership


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value751189410099-124.18974707149525849
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.860.80.051.551.2-59.333.131.231.818.424.320.822.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership38.860.80.051.551.2-59.333.131.231.818.424.320.822.4

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

mgp:MGPBREITVenture


Income
Period End2020-12-312020-09-302020-06-302020-03-31
Value49505026
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest52.850.251.0-21.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.025.926.112.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPBREITVenture0.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1.7642.7923.372.7322.4991.1331.8271.9794.0212.6613.0755.2661.2631.2311.0031.4881.1771.2381.3490.9150.00.00.00.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.40.01.41.30.50.80.91.81.01.41.90.60.60.50.80.60.70.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity

mgp:MGPOperatingPartnership


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.7642.7923.372.7322.4991.1331.8271.9794.0212.6613.0755.2661.2631.2311.0031.4881.1771.2381.3490.9150.00.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.40.01.41.30.50.80.91.81.01.41.90.60.60.50.80.60.70.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership0.91.40.01.41.30.50.80.91.81.01.41.90.60.60.50.80.60.70.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value6868645955495863636358584949494544444342290.00.00.00.0
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.435.20.030.928.523.526.127.928.323.626.920.822.422.822.924.924.324.30.00.00.00.00.00.00.0

us-gaap:InterestExpense dei:LegalEntity

mgp:MGPOperatingPartnership


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value6868645955495863636358584949494544444342290.0
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.435.20.030.928.523.526.127.928.323.626.920.822.422.822.924.924.324.30.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership35.435.20.030.928.523.526.127.928.323.626.920.822.422.822.924.924.324.30.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value564959494251506655476147513850
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.825.70.025.422.024.522.629.424.417.728.517.023.317.723.8

us-gaap:InterestPaidNet dei:LegalEntity

mgp:MGPOperatingPartnership


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value564959494251506655476147513850
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.825.70.025.422.024.522.629.424.417.728.517.023.317.723.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership28.825.70.025.422.024.522.629.424.417.728.517.023.317.723.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4359414341-49.74825222119181913158.72211101112106.9530.00.00.00.00.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.630.70.022.321.1-23.711.510.09.77.48.66.96.07.34.16.05.86.20.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2021-06-302020-06-30
Value7397
Percentage of NetIncomeLoss167.9236.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.949.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership37.949.9

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value2955495456-75.57446464546495034422332333538322.693-67.97-70.888-68.775-61.538
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.328.70.027.828.8-36.120.820.420.317.123.117.915.819.610.717.918.019.20.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-50567000.0-7782000.0-31452000.0-26566000.0-26470000.0-65232000.0-68630000.0-63113000.0-64238000.0-62239000.0-59037000.0-59600000.0-51203000.0-50382000.0-48492000.0-44190000.0-45115000.0-44092000.0-43411000.0-43206000.0-29547000.00
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-26.0-4.00.0-13.7-13.6-31.1-30.4-27.9-28.5-22.9-27.3-21.1-23.2-23.3-22.6-24.2-24.5-24.00.00.00.00.0

us-gaap:NonoperatingIncomeExpense dei:LegalEntity

mgp:MGPOperatingPartnership


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-50567000.0-7782000.0-31452000.0-26566000.0-26470000.0-65232000.0-68630000.0-63113000.0-64238000.0-62239000.0-59037000.0-59600000.0-51203000.0-50382000.0-48492000.0-44190000.0-45115000.0-44092000.0-43411000.0-43206000.0-29547000.00
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-26.0-4.00.0-13.7-13.6-31.1-30.4-27.9-28.5-22.9-27.3-21.1-23.2-23.3-22.6-24.2-24.5-24.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership-26.0-4.00.0-13.7-13.6-31.1-30.4-27.9-28.5-22.9-27.3-21.1-23.2-23.3-22.6-24.2-24.5-24.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2.8240.729-7.391-95.32-19.27-30.775-15.612
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.50.4-3.8-45.5-8.5-13.6-5.8

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax dei:LegalEntity

mgp:MGPOperatingPartnership


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2.824160.729-7.391-95.32-19.27-30.775-15.612
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.00.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.58.50.4-3.8-45.5-8.5-13.6-5.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership1.58.50.4-3.8-45.5-8.5-13.6-5.8

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-30
Value1.658
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax58.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.0

us-gaap:NoncontrollingInterest


Other
Period End2021-06-30
Value1.166
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax41.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.0

us-gaap:Parent


Other
Period End2021-06-30
Value1.658
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax58.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.82416120.729-7.391-95.3230-19.27-30.775-15.612-23.2444.7366.28116121.754-4.112-0.6341.8790.00.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.58.50.00.4-3.8-45.513.5-8.5-13.6-5.8-10.71.72.87.66.01.0-2.2-0.30.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity

mgp:MGPOperatingPartnership


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.82416-1.5990.624-6.129-82.5230-19.27-30.775-15.6124.7366.28116121.754-4.112-0.634
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0-12.985.682.986.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.58.50.00.3-3.2-39.413.5-8.5-13.6-5.81.72.87.66.01.0-2.2-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership1.58.50.00.3-3.2-39.413.5-8.5-13.6-5.81.72.87.66.01.0-2.2-0.3

us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.824160.624-6.129-82.5230-19.27-30.775-15.6124.7366.28116121.754-4.112-0.634
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.085.682.986.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.58.50.3-3.2-39.413.5-8.5-13.6-5.81.72.87.66.01.0-2.2-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership us-gaap:LimitedPartner0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.82416120.729-7.391-95.326.28116121.754-4.112-0.634
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.58.50.00.4-3.8-45.52.87.66.01.0-2.2-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value8.19911-6.233-9.647-4.7171.2631.6754.3580.481-0.975-0.15
Percentage of OtherComprehensiveIncomeLossNetOfTax49.536.332.331.330.226.726.726.627.423.723.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.24.9-2.8-4.3-1.70.40.82.00.3-0.5-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value8.3819-13.037-21.128-10.8953.4734.606119.3691.273-3.137-0.484
Percentage of OtherComprehensiveIncomeLossNetOfTax50.563.767.768.769.873.373.373.473.372.676.376.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.38.6-5.8-9.4-4.01.22.15.64.40.7-1.7-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value8.19911-6.233-9.647-4.7171.2631.6754.3583.4050.481-0.975-0.15
Percentage of OtherComprehensiveIncomeLossNetOfTax49.536.332.331.330.226.726.726.626.727.423.723.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.24.9-2.8-4.3-1.70.40.82.01.60.3-0.5-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-725000.0-197000.0-182000.0-36000.0-413000.0-18368000.0-6809000.0-306000.0-363000.0-137000.0-782000.0-1020000.0-3205000.0-2184000.0-183000.0-126000.0-1178000.0-134000.0-1165000.0367000.072000.00000
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.4-0.10.0-0.0-0.2-8.8-3.0-0.1-0.2-0.1-0.4-0.4-1.5-1.0-0.1-0.1-0.6-0.10.00.00.00.00.00.00.0

us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity

mgp:MGPOperatingPartnership


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-725000.0-197000.0-182000.0-36000.0-413000.0-18368000.0-6809000.0-306000.0-363000.0-137000.0-782000.0-1020000.0-3205000.0-2184000.0-183000.0-126000.0-1178000.0-134000.0-287000.0-367000.0-72000.00
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.024.6-100.0-100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.4-0.10.0-0.0-0.2-8.8-3.0-0.1-0.2-0.1-0.4-0.4-1.5-1.0-0.1-0.1-0.6-0.10.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership-0.4-0.10.0-0.0-0.2-8.8-3.0-0.1-0.2-0.1-0.4-0.4-1.5-1.0-0.1-0.1-0.6-0.10.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-04-242016-03-312015-12-312015-09-302015-06-302015-03-31
Value73115919797-125.32272686766686948583143434650429.646-84.383-67.97-70.888-68.775-61.538-60.753
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.959.40.050.149.9-59.832.330.330.024.531.624.821.827.014.823.923.825.40.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss dei:LegalEntity

mgp:MGPOperatingPartnership


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-04-242016-03-312015-12-312015-09-302015-06-302015-03-31
Value73115919797-125.322726867666869485831434346504226-84.383-67.97-70.888-68.775-61.538-60.753
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0270.1100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.959.40.050.149.9-59.832.330.330.024.531.624.821.827.014.823.923.825.40.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership37.959.40.050.149.9-59.832.330.330.024.531.624.821.827.014.823.923.825.40.00.00.00.00.00.00.00.00.0

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

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Profit
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value731157268676669485831434346
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.959.432.330.330.024.524.821.827.014.823.923.825.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership us-gaap:LimitedPartner0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

mgp:MGPBREITVenture


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value505049505026
Percentage of ProfitLoss68.444.154.751.752.4-21.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.026.20.025.926.112.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPBREITVenture0.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-30
Value295546464546503442233233353819
Percentage of ProfitLoss40.448.464.467.267.769.972.172.672.872.574.875.775.775.7198.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.328.720.820.420.317.117.915.819.610.717.918.019.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-04-24
Value4359252221191913158.722111011-84.383-84.383
Percentage of ProfitLoss59.651.635.632.832.330.127.927.427.227.525.224.324.3-874.8100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.630.711.510.09.77.46.96.07.34.16.05.86.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-06-30
Value435925222119191315111011126.953
Percentage of ProfitLoss59.651.635.632.832.330.127.927.427.225.224.324.324.372.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.630.711.510.09.77.46.96.07.36.05.86.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value194194194194194209225226225271216282220215214182184183
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax dei:LegalEntity

mgp:MGPOperatingPartnership


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value194194194194194209225226225271216282220215214182184183
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

mgp:MGPOperatingPartnership, mgp:RentalProperties


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value188188188188188203219219219196186186186186163163
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax96.996.996.996.996.997.197.397.397.472.686.166.184.786.489.388.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax96.996.996.996.996.997.197.397.397.472.686.166.184.786.489.388.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership mgp:RentalProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:MGPOperatingPartnership, mgp:TenantReimbursements


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6.0386.0396.0396.0396.0386.0396.0396.1645.9136.54130303329281921
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.13.13.13.13.12.92.72.72.62.413.910.715.313.613.510.711.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.13.13.13.13.12.92.72.72.62.413.910.715.313.613.510.711.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership mgp:TenantReimbursements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

mgp:RentalProperties


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value188188188188188203219219219196186186186186163163
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax96.996.996.996.996.997.197.397.397.472.686.166.184.786.489.388.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax96.996.996.996.996.997.197.397.397.472.686.166.184.786.489.388.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:RentalProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:TenantReimbursements


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6.0386.0396.0396.0396.0386.0396.0396.1645.9136.54130303329281921
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.13.13.13.13.12.92.72.72.62.413.910.715.313.613.510.711.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.13.13.13.13.12.92.72.72.62.413.910.715.313.613.510.711.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:TenantReimbursements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value194194194194194209225226225271283282220215214182184183
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0131.1100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

mgp:MGPBREITVenture


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value989898989850
Percentage of Revenues50.850.850.850.850.824.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax50.850.850.850.850.824.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPBREITVenture0.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value10147100621060010691108231192111910119291191212326109511102410270103091035110110939294499506952582010.0057793
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity

mgp:MGPOperatingPartnership


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value101471006210600106911082311921119101192911912123261095111024102701030910351101109392944995067793
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets mgp:MGPOperatingPartnership100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:Ownership

us-gaap:VariableInterestEntityPrimaryBeneficiary, mgp:MGPOperatingPartnership


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value90009100920092009300
Percentage of Assets88.790.486.886.085.9
Percentage of Assets88.790.486.886.085.9
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary mgp:MGPOperatingPartnership100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value5001497250094368445447965012554555265609510551094295427742834270388538873898387732300.0051734
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.349.447.340.941.240.242.146.546.445.546.646.341.841.541.442.241.441.141.040.739.4100.022.3

us-gaap:Liabilities dei:LegalEntity

mgp:MGPOperatingPartnership


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value50014972500943684454479650125545552656095105510942954277428342703885388738981734
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.349.447.340.941.240.242.146.546.445.546.646.341.841.541.442.241.441.141.022.3
Percentage of Assets mgp:MGPOperatingPartnership49.349.447.340.941.240.242.146.546.445.546.646.341.841.541.442.241.441.141.022.3

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:Ownership

us-gaap:VariableInterestEntityPrimaryBeneficiary, mgp:MGPOperatingPartnership


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value560543530514500
Percentage of Liabilities11.210.910.611.811.2
Percentage of Assets5.55.45.04.84.6
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary mgp:MGPOperatingPartnership6.26.05.85.65.4

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value10147100621060010691108231192111910119291191212326109511102410270103091035110110939294499506952582010.0057793
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity

mgp:MGPOperatingPartnership


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value101471006210600106911082311921119101192911912123261095111024102701030910351101109392944995067793
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets mgp:MGPOperatingPartnership100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value3026296626402518255528162514207420332037156515841599161516241333
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.829.524.923.623.623.621.117.417.116.514.314.415.615.715.714.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2981436266557251762202153532.6493.9958.051289259
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.91.45.96.16.714.81.71.30.40.00.00.12.82.5

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents dei:LegalEntity

mgp:MGPOperatingPartnership


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2981436266557251762202153532.6493.9958.051289259
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.91.45.96.16.714.81.71.30.40.00.00.12.82.5
Percentage of Assets mgp:MGPOperatingPartnership2.91.45.96.16.714.81.71.30.40.00.00.12.82.5

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2802802802802802802802802792800.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.82.82.62.62.62.42.42.32.42.30.0

us-gaap:OperatingLeaseRightOfUseAsset dei:LegalEntity

mgp:MGPOperatingPartnership


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2802802802802802802802802792800.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.82.82.62.62.62.42.42.32.42.30.0
Percentage of Assets mgp:MGPOperatingPartnership2.82.82.62.62.62.42.42.32.42.30.0

Other Assets

us-gaap:OtherAssets us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherAssets

mgp:MGPBREITVenture


Other
Period End2020-12-31
Value95
Percentage of OtherAssets100.0
Percentage of Assets0.9
Percentage of Assets mgp:MGPBREITVenture0.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value4162416141683516361439734307484748524939466646843923392539343940360136063621362031340.0
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets41.041.439.332.933.433.336.240.640.740.142.642.538.238.138.039.038.338.238.138.038.20.0

us-gaap:LongTermDebt dei:LegalEntity

mgp:MGPOperatingPartnership


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value41624161416835163614397343074847485249394666468439233925393439403601360636210.0
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets41.041.439.332.933.433.336.240.640.740.142.642.538.238.138.039.038.338.238.10.0
Percentage of Assets mgp:MGPOperatingPartnership41.041.439.332.933.433.336.240.640.740.142.642.538.238.138.039.038.338.238.10.0

us-gaap:LongTermDebt us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

mgp:MGPBREITVenture


Long
Period End2020-12-31
Value2994
Percentage of LongTermDebt71.8
Percentage of Assets28.2
Percentage of Assets mgp:MGPBREITVenture0.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value33333329292929292934333128282825252525240.01734
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.20.20.30.30.30.30.30.30.30.30.30.30.30.022.3

us-gaap:DeferredIncomeTaxLiabilitiesNet dei:LegalEntity

mgp:MGPOperatingPartnership


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value333333292929292929343331282828252525251734
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.20.20.30.30.30.30.30.30.30.30.30.322.3
Percentage of Assets mgp:MGPOperatingPartnership0.30.30.30.30.30.30.30.20.20.30.30.30.30.30.30.30.30.30.322.3

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-04-242015-12-31
Value2119212229503104311427254383430943534679427943304374441744434217419442394274430536430.00.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets20.921.127.829.028.822.936.836.136.538.039.139.342.642.842.941.744.744.945.045.244.40.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value25
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value24
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value24
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value24
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value1307
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets12.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3413413413403403393373363363350.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets3.43.43.23.23.12.82.82.82.82.70.0

us-gaap:OperatingLeaseLiability dei:LegalEntity

mgp:MGPOperatingPartnership


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3413413413403403393373363363350.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets3.43.43.23.23.12.82.82.82.82.70.0
Percentage of Assets mgp:MGPOperatingPartnership3.43.43.23.23.12.82.82.82.82.70.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value1432
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets13.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value1091
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets10.3

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value3026296626402518255528162514207420332037156515841599161516241333
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.829.524.923.623.623.621.117.417.116.514.314.415.615.715.714.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-04-242015-12-312014-12-312013-12-31
Value5146508955905623566955416898638463866716584559155974603260675840550755625608564849700.0605861276296
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of Assets50.750.652.752.652.446.557.953.553.654.553.453.758.258.558.657.858.658.959.059.360.60.077.70.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

mgp:AOCIOtherAttributabletoParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value-22.179-21.689-11.134-7.131-7.131-2.406-1.819-0.098-0.0980.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.4-0.4-0.2-0.1-0.1-0.0-0.0-0.0-0.00.0
Percentage of Assets-0.2-0.2-0.1-0.1-0.1-0.0-0.0-0.0-0.00.0
Percentage of Assets mgp:AOCIOtherAttributabletoParent0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value-30.206-31.864-40.063-45.452-45.768-42.757-5.2264.3063.2060.445
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.6-0.6-0.7-0.8-0.8-0.8-0.10.10.10.0
Percentage of Assets-0.3-0.3-0.4-0.4-0.4-0.4-0.00.00.00.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-52.385-53.553-51.197-52.583-52.899-45.163-7.045-16.129-9.6960.0544.208109.1417.4663.108-0.308-0.680.2950.445
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-1.0-1.1-0.9-0.9-0.9-0.8-0.1-0.3-0.20.00.10.20.20.10.1-0.0-0.00.00.0
Percentage of Assets-0.5-0.5-0.5-0.5-0.5-0.4-0.1-0.1-0.10.00.00.10.10.10.0-0.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-04-242015-12-312014-12-312013-12-31
Value3554345931142970298732182766230722372210171217111717171617161697137013631363136313342010.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest69.168.055.752.852.758.140.136.135.032.929.328.928.728.528.329.124.924.524.324.126.80.00.00.00.0
Percentage of Assets35.034.429.427.827.627.023.219.318.817.915.615.516.716.716.616.814.614.414.314.316.30.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-04-242015-12-312014-12-312013-12-31
Value21192122295031043114272543834309435346794279433043744417444342174194423942744305364336660.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest41.241.752.855.254.949.263.567.568.269.773.273.273.273.273.272.276.276.276.276.273.30.00.00.00.0
Percentage of Assets20.921.127.829.028.822.936.836.136.538.039.139.342.642.842.941.744.744.945.045.244.40.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-04-242015-12-312014-12-312013-12-31
Value3026296626402518255528162514207420332037156515841599161516241622131213221333-3666.293605861276296
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest58.858.347.244.845.150.836.532.531.830.326.826.826.826.826.827.823.823.823.80.0100.0100.0100.0
Percentage of Assets29.829.524.923.623.623.621.117.417.116.514.314.415.615.715.716.114.014.014.00.077.70.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-04-242015-12-312014-12-312013-12-31
Value-475.978-439.194-422.897-400.294-379.587-356.518-244.381-216.824-194.469-173.017-150.908-137.781-126.241-108.895-94.948-73.893-56.914-40.692-29.758-19.871-8.1810.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-9.2-8.6-7.6-7.1-6.7-6.4-3.5-3.4-3.0-2.6-2.6-2.3-2.1-1.8-1.6-1.3-1.0-0.7-0.5-0.4-0.20.00.00.00.0
Percentage of Assets-4.7-4.4-4.0-3.7-3.5-3.0-2.1-1.8-1.6-1.4-1.4-1.2-1.2-1.1-0.9-0.7-0.6-0.4-0.3-0.2-0.10.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value3554345931142970298732182766230722372210171217111717171617161697137013631363136313340.0
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets35.034.429.427.827.627.023.219.318.817.915.615.516.716.716.616.814.614.414.314.316.30.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value-475980000.0-439190000.0-422900000.0-400290000.0-379590000.0-356520000.0-244380000.0-216820000.0-194470000.0-173020000.0-150910000.0-137780000.0-126240000.0-108900000.0-94948000.0-73893000.0-56914000.0-40692000.0-29758000.0-19871000.0-8181000.00
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets-4.7-4.4-4.0-3.7-3.5-3.0-2.1-1.8-1.6-1.4-1.4-1.2-1.2-1.1-0.9-0.7-0.6-0.4-0.3-0.2-0.10.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value-52.385-53.553-51.197-52.583-52.899-45.163-7.045-16.129-9.6960.0544.208109.1417.4663.108-0.308-0.680.2950.4450.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets-0.5-0.5-0.5-0.5-0.5-0.4-0.1-0.1-0.10.00.00.10.10.10.0-0.0-0.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-04-242015-12-31
Value2119212229503104311427254383430943534679427943304374441744434217419442394274430536430.00.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets20.921.127.829.028.822.936.836.136.538.039.139.342.642.842.941.744.744.945.045.244.40.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302016-04-24
Value1166760.00.00.050655086645480.03870.01207
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.00.00.00.0100.0100.0100.0100.0100.00.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-09-30
Value-0.478-3.6930.00.00.0-0.646-1.981-0.2-0.1050.774-0.109
Percentage of StockIssuedDuringPeriodValueNewIssues-0.4-0.50.00.00.0-0.1-0.4-0.2-0.20.1-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-09-302017-06-302016-04-24
Value945650.00.00.044345670524713267.0141207
Percentage of StockIssuedDuringPeriodValueNewIssues81.483.60.00.00.087.683.081.780.686.084.30.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-30
Value221140.00.00.063951512750.060-2.889
Percentage of StockIssuedDuringPeriodValueNewIssues19.016.90.00.00.012.517.418.519.613.90.015.70.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302016-04-24
Value945610.00.00.044245470524720.03262.8891207
Percentage of StockIssuedDuringPeriodValueNewIssues81.083.10.00.00.087.582.681.580.486.10.084.30.0100.0
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

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1381311361351341371471381361391161141111019594
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders dei:LegalEntity

mgp:MGPOperatingPartnership


Minority
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1351341371381361391161141111019594
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets mgp:MGPOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.0

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

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Minority
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1351341371381361391161141111019594
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets mgp:MGPOperatingPartnership us-gaap:LimitedPartner0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value57557271707493939397858381737371
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders41.642.153.052.852.454.563.767.768.369.873.373.373.372.376.376.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value80756464646253444342313029282222
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders58.457.947.047.247.645.536.332.331.730.226.726.726.727.723.723.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value80756464646253444342313029282222
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders58.457.947.047.247.645.536.332.331.730.226.726.726.727.723.723.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value169168182175-439.53314714813914511813311111911512077-15.62
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.486.593.783.9-162.067.952.763.167.355.372.860.564.80.00.00.00.0

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value169168182175185159195-439.53314714813914511813311111911512077-15.62
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.486.593.783.982.070.686.6-162.067.952.763.167.355.372.860.564.80.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership87.486.593.783.982.070.686.6-162.067.952.763.167.355.372.860.564.80.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-14.991-651.226-1219.3131326453-136.02645-129.304-124.652-534.814628-102.983-111.385-95.152-117.858287126
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.7-335.1-627.4633.0167.3-62.8228.9-58.7-57.8-249.3344.0-55.8-60.60.00.00.00.0

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-14.991-651.226-1219.3131326-136.648-59.513-163.996453-136.02645-129.304-124.652-534.814628-102.983-111.385-95.152-117.858287126
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.7-335.1-627.4633.0-60.5-26.3-72.6167.3-62.8228.9-58.7-57.8-249.3344.0-55.8-60.60.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership-7.7-335.1-627.4633.0-60.5-26.3-72.6167.3-62.8228.9-58.7-57.8-249.3344.0-55.8-60.60.00.00.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value154-483.154-28.784-70.72-1036.7271560489950-1.346-4.056-281.858
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.7-248.6-14.8-36.4-533.5744.621.544.222.6-0.5-1.9-99.9

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity

mgp:MGPOperatingPartnership


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value154-483.154-28.784-70.72-1036.7271560489950-1.346-4.056-281.858
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.7-248.6-14.8-36.4-533.5744.621.544.222.6-0.5-1.9-99.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership79.7-248.6-14.8-36.4-533.5744.621.544.222.6-0.5-1.9-99.9

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value2600000.02200000.02500000.03200000.03200000.03100000.03300000.03100000.03000000.02800000.02800000.02800000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value575758586271797566676868
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization dei:LegalEntity

mgp:MGPOperatingPartnership


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value575758586271797566676868
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value169168182175-439.53314714813914511813311111911512077-15.62
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.486.593.783.9-162.067.952.763.167.355.372.860.564.80.00.00.00.0

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value169168182175185159195-439.53314714813914511813311111911512077-15.62
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.486.593.783.982.070.686.6-162.067.952.763.167.355.372.860.564.80.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership87.486.593.783.982.070.686.6-162.067.952.763.167.355.372.860.564.80.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4359414341-49.74825222119181913158.72211101112106.9530.00.00.00.00.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.630.721.322.321.1-23.711.510.09.77.48.66.96.07.34.16.05.86.20.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2021-06-302020-06-30
Value7397
Percentage of NetIncomeLoss167.9236.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.949.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership37.949.9

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-04-242016-03-312015-12-312015-09-302015-06-302015-03-31
Value73115919797-125.32272686766686948583143434650429.646-84.383-67.97-70.888-68.775-61.538-60.753
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.959.447.050.149.9-59.832.330.330.024.531.624.821.827.014.823.923.825.40.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss dei:LegalEntity

mgp:MGPOperatingPartnership


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-04-242016-03-312015-12-312015-09-302015-06-302015-03-31
Value73115919797-125.322726867666869485831434346504226-84.383-67.97-70.888-68.775-61.538-60.753
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0270.1100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.959.447.050.149.9-59.832.330.330.024.531.624.821.827.014.823.923.825.40.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership37.959.447.050.149.9-59.832.330.330.024.531.624.821.827.014.823.923.825.40.00.00.00.00.00.00.00.00.0

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

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Profit
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value731157268676669485831434346
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.959.432.330.330.024.524.821.827.014.823.923.825.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership us-gaap:LimitedPartner0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

mgp:MGPBREITVenture


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value505049505026
Percentage of ProfitLoss68.444.154.751.752.4-21.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.026.225.725.926.112.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPBREITVenture0.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-30
Value295546464546503442233233353819
Percentage of ProfitLoss40.448.464.467.267.769.972.172.672.872.574.875.775.775.7198.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.328.720.820.420.317.117.915.819.610.717.918.019.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-04-24
Value4359252221191913158.722111011-84.383-84.383
Percentage of ProfitLoss59.651.635.632.832.330.127.927.427.227.525.224.324.3-874.8100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.630.711.510.09.77.46.96.07.34.16.05.86.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-06-30
Value435925222119191315111011126.953
Percentage of ProfitLoss59.651.635.632.832.330.127.927.427.225.224.324.324.372.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.630.711.510.09.77.46.96.07.36.05.86.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value758000.0852000.0858000.0639000.0603000.0754000.0669000.0519000.0524000.0565000.0577000.0576000.0556000.0384000.0393000.0393000.0362000.0188000.0184000.0184000.0142000.00
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ShareBasedCompensation dei:LegalEntity

mgp:MGPOperatingPartnership


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value758000.0852000.0858000.0639000.0603000.0754000.0669000.0519000.0524000.0565000.0577000.0576000.0556000.0384000.0393000.0393000.0362000.0188000.0184000.0184000.0142000.00
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets us-gaap:AssetAcquisition

us-gaap:PaymentsToAcquireProductiveAssets

mgp:MGMSpringfield


Payments
Period End2021-05-11
Value400
Percentage of PaymentsToAcquireProductiveAssets100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-14.991-651.226-1219.3131326453-136.02645-129.304-124.652-534.814628-102.983-111.385-95.152-117.858287126
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.7-335.1-627.4633.0167.3-62.8228.9-58.7-57.8-249.3344.0-55.8-60.60.00.00.00.0

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-14.991-651.226-1219.3131326-136.648-59.513-163.996453-136.02645-129.304-124.652-534.814628-102.983-111.385-95.152-117.858287126
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.7-335.1-627.4633.0-60.5-26.3-72.6167.3-62.8228.9-58.7-57.8-249.3344.0-55.8-60.60.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mgp:MGPOperatingPartnership-7.7-335.1-627.4633.0-60.5-26.3-72.6167.3-62.8228.9-58.7-57.8-249.3344.0-55.8-60.60.00.00.00.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value13113614714715814713813613911911611411111110195949494560.00.0
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:PaymentsOfDividendsCommonStock dei:LegalEntity

mgp:MGPOperatingPartnership


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value13113614714715814713813613911911611411111110195949494560.00.0
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility

us-gaap:DebtInstrumentInterestRateStatedPercentage

mgp:SeniorCreditFacilityTermLoanA, mgp:OperatingPartnershipCreditAgreement


Debt
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.90.03550.04520.04380.04320.039850.03980.03730.03520.0327
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations mgp:SeniorCreditFacilityTermLoanA mgp:OperatingPartnershipCreditAgreement0.00.00.00.00.00.00.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.32.4-2.72.70.0250.009-0.0020.0280.0560.00500.070.0260.0210.0010.0330.0260.0260.1220.021
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value33293328
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0

mgp:AccrualofDividendsandDistributionsPayable

mgp:AccrualofDividendsandDistributionsPayable


Accrualof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value7.004131-11.4570.0-10.5471588.6192.059-2.6081392.661.9962.666111105.2271.886940.037560.0
Percentage of AccrualofDividendsandDistributionsPayable100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0

mgp:AccrualofDividendsandDistributionsPayable dei:LegalEntity

mgp:MGPOperatingPartnership


Accrualof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value7.004131-11.4570.0-10.5471588.6192.059-2.6081392.661.9962.666111105.2271.886940.037560.0
Percentage of AccrualofDividendsandDistributionsPayable100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0

mgp:AmortizationAndWriteOffOfDebtIssuanceCostsAndDiscounts

mgp:AmortizationAndWriteOffOfDebtIssuanceCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.8622.8632.712.6112.1942.5093.1313.2293.2293.1442.643.3353.0822.9743.7152.822.8172.806
Percentage of AmortizationAndWriteOffOfDebtIssuanceCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:AmortizationAndWriteOffOfDebtIssuanceCostsAndDiscounts dei:LegalEntity

mgp:MGPOperatingPartnership


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.8622.8632.712.6112.1942.5093.1313.2293.2293.1442.643.3353.0822.9743.7152.822.8172.806
Percentage of AmortizationAndWriteOffOfDebtIssuanceCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:DeemedContributionsUnderTaxSharingAgreement

mgp:DeemedContributionsUnderTaxSharingAgreement


Deemed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1764000.02792000.0-192000.02732000.02499000.01133000.01409000.01979000.02276000.01344000.0833000.02418000.01263000.01231000.0-2173000.0
Percentage of DeemedContributionsUnderTaxSharingAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:DeemedContributionsUnderTaxSharingAgreement dei:LegalEntity

mgp:MGPOperatingPartnership


Deemed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1764000.02792000.0-192000.02732000.02499000.01133000.01409000.01979000.02276000.01344000.0833000.02418000.01263000.01231000.0-2173000.0
Percentage of DeemedContributionsUnderTaxSharingAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:IncomeLossFromContinuingOperationsNetOfTaxAttributableToRedeemableNoncontrollingInterest

mgp:IncomeLossFromContinuingOperationsNetOfTaxAttributableToRedeemableNoncontrollingInterest


Income
Period End2020-09-302020-06-302019-06-30
Value-1232000.01232000.00
Percentage of IncomeLossFromContinuingOperationsNetOfTaxAttributableToRedeemableNoncontrollingInterest100.0100.00.0

mgp:IncomeLossFromContinuingOperationsNetOfTaxAttributableToRedeemableNoncontrollingInterest dei:LegalEntity

mgp:MGPOperatingPartnership


Income
Period End2020-09-302020-06-302019-06-30
Value-1232000.01232000.00
Percentage of IncomeLossFromContinuingOperationsNetOfTaxAttributableToRedeemableNoncontrollingInterest100.0100.00.0

mgp:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterestAfterAcquisition us-gaap:ConsolidatedEntities, us-gaap:Ownership

mgp:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterestAfterAcquisition

srt:ParentCompany, mgp:MGPOperatingPartnership


Limited
Period End2021-06-302021-03-312020-12-31
Value-0.542.1-3.7
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterestAfterAcquisition100.0100.0100.0

mgp:LimitedLiabilityCompanyorLimitedPartnershipMembersorLimitedPartnersUnitsOwned us-gaap:ConsolidatedEntities, us-gaap:Ownership

mgp:LimitedLiabilityCompanyorLimitedPartnershipMembersorLimitedPartnersUnitsOwned

srt:ParentCompany, mgp:MGPOperatingPartnership


Limited
Period End2021-06-302021-03-31
Value0.0111
Percentage of LimitedLiabilityCompanyorLimitedPartnershipMembersorLimitedPartnersUnitsOwned0.0100.0

mgp:NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest

mgp:NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest


Net
Period End2020-09-302020-06-302020-03-31
Value8982-108.786
Percentage of NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest100.0100.0100.0

mgp:NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2020-09-302020-06-302020-03-31
Value8982-108.786
Percentage of NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest100.0100.0100.0

mgp:NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Net
Period End2020-09-302020-06-302020-03-31
Value8982-108.786
Percentage of NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest100.0100.0100.0

mgp:NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2020-09-302020-06-302020-03-31
Value4541-59.038
Percentage of NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest51.450.054.3

us-gaap:Parent


Net
Period End2020-09-302020-06-302020-03-31
Value4341-49.748
Percentage of NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest48.650.045.7

us-gaap:RetainedEarnings


Net
Period End2020-09-302020-06-302020-03-31
Value4341-49.748
Percentage of NetIncomeLossExcludingPortionAttributabletoRedeemableNoncontrollingInterest48.650.045.7

mgp:NetIncomeLossIncludingPortionAttributableToRedeemableNoncontrollingInterest dei:LegalEntity

mgp:NetIncomeLossIncludingPortionAttributableToRedeemableNoncontrollingInterest

mgp:MGPOperatingPartnership


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value731159895-125.3226867
Percentage of NetIncomeLossIncludingPortionAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0

mgp:NetIncomeLossfromContinuingOperationsAvailabletoCommonShareholdersBasicandDiluted

mgp:NetIncomeLossfromContinuingOperationsAvailabletoCommonShareholdersBasicandDiluted


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value414439-49.74825222115141513
Percentage of NetIncomeLossfromContinuingOperationsAvailabletoCommonShareholdersBasicandDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:NetIncomeLossfromContinuingOperationsAvailabletoCommonShareholdersBasicandDiluted dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value919895726867
Percentage of NetIncomeLossfromContinuingOperationsAvailabletoCommonShareholdersBasicandDiluted220.0221.1240.8281.0304.5310.0

mgp:NetIncomeLossfromDiscontinuedOperationsAvailabletoCommonShareholdersBasicandDiluted

mgp:NetIncomeLossfromDiscontinuedOperationsAvailabletoCommonShareholdersBasicandDiluted


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4359440.00.00.00.00.04.7824.4283.7180.0
Percentage of NetIncomeLossfromDiscontinuedOperationsAvailabletoCommonShareholdersBasicandDiluted100.0100.0100.00.00.00.00.00.0100.0100.0100.00.0

mgp:Noncashgroundlease

mgp:Noncashgroundlease


Noncashgroundlease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value259000.0259000.0258000.0259000.0259000.0260000.0260000.0259000.0259000.0260000.0172000.0171000.0172000.0171000.0
Percentage of Noncashgroundlease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:Noncashgroundlease dei:LegalEntity

mgp:MGPOperatingPartnership


Noncashgroundleasedei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value259000.0259000.0258000.0259000.0259000.0260000.0260000.0259000.0259000.0260000.0172000.0171000.0172000.0171000.0
Percentage of Noncashgroundlease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:NoncontrollingInterestIncreasefromDeemedContributionTaxSharingAgreement

mgp:NoncontrollingInterestIncreasefromDeemedContributionTaxSharingAgreement


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1764000.02792000.0-192000.02335000.02100000.0882000.01409000.01979000.02275000.01345000.02418000.01263000.01231000.0-2173000.01488000.01177000.01238000.0
Percentage of NoncontrollingInterestIncreasefromDeemedContributionTaxSharingAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:NoncontrollingInterestIncreasefromDeemedContributionTaxSharingAgreement dei:LegalEntity

mgp:MGPOperatingPartnership


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1764000.02792000.0-192000.02335000.02100000.0882000.01409000.01979000.02275000.01345000.02418000.01263000.01231000.0-2173000.01488000.01177000.01238000.0
Percentage of NoncontrollingInterestIncreasefromDeemedContributionTaxSharingAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:NoncontrollingInterestIncreasefromDeemedContributionTaxSharingAgreement dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1764000.02792000.0-192000.02335000.02100000.0882000.01409000.01979000.02275000.01345000.02418000.01263000.01231000.0-2173000.01488000.01177000.01238000.0
Percentage of NoncontrollingInterestIncreasefromDeemedContributionTaxSharingAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:NoncontrollingInterestIncreasefromDeemedContributionTaxSharingAgreement us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1764000.02792000.0-192000.02335000.02100000.0882000.01409000.01979000.02275000.01345000.02418000.01263000.01231000.0-2173000.01488000.01177000.01238000.0
Percentage of NoncontrollingInterestIncreasefromDeemedContributionTaxSharingAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:OperatingLeaseLeaseAnnualRentAmount us-gaap:RelatedPartyTransaction

mgp:OperatingLeaseLeaseAnnualRentAmount

mgp:MasterLeaseBaseRent


Operating
Period End2021-04-012020-04-01
Value842827
Percentage of OperatingLeaseLeaseAnnualRentAmount100.0100.0

mgp:OperatingLeaseLeaseAnnualRentAmount us-gaap:RelatedPartyTransaction, us-gaap:SubsequentEventType

mgp:MasterLeaseBaseRent, us-gaap:SubsequentEvent


Operating
Period End2021-04-01
Value842
Percentage of OperatingLeaseLeaseAnnualRentAmount100.0

mgp:OperatingLeasesFixedAmountAdjustmentMultiplier us-gaap:RelatedPartyTransaction

mgp:OperatingLeasesFixedAmountAdjustmentMultiplier

mgp:MasterLeasePercentageRent


Operating
Period End2021-06-302021-03-312020-12-31
Value01.40
Percentage of OperatingLeasesFixedAmountAdjustmentMultiplier0.0100.00.0

mgp:OtherComprehensiveIncomeLossExcludingRedeemableNoncontrollingInterestNetofTax

mgp:OtherComprehensiveIncomeLossExcludingRedeemableNoncontrollingInterestNetofTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value11396000.0624000.0-6129000.0-82520000.0-19270000.0-30775000.0
Percentage of OtherComprehensiveIncomeLossExcludingRedeemableNoncontrollingInterestNetofTax100.0100.0100.0100.0100.0100.0

mgp:OtherComprehensiveIncomeLossExcludingRedeemableNoncontrollingInterestNetofTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value5389000.0316000.0-3011000.0-37531000.0-6233000.0-9647000.0
Percentage of OtherComprehensiveIncomeLossExcludingRedeemableNoncontrollingInterestNetofTax47.350.649.145.532.331.3

us-gaap:NoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value6007000.0308000.0-3118000.0-44989000.0-13037000.0-21128000.0
Percentage of OtherComprehensiveIncomeLossExcludingRedeemableNoncontrollingInterestNetofTax52.749.450.954.567.768.7

us-gaap:Parent


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value5389000.0316000.0-3011000.0-37531000.0-6233000.0-9647000.0
Percentage of OtherComprehensiveIncomeLossExcludingRedeemableNoncontrollingInterestNetofTax47.350.649.145.532.331.3

mgp:OtherComprehensiveIncomeLossIssuancesofSharesNetofTax

mgp:OtherComprehensiveIncomeLossIssuancesofSharesNetofTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value478000.03693000.001292000.00-646000.0
Percentage of OtherComprehensiveIncomeLossIssuancesofSharesNetofTax100.0100.00.0100.00.0100.0

mgp:OtherComprehensiveIncomeLossIssuancesofSharesNetofTax us-gaap:StatementEquityComponents

mgp:AOCIOtherIncludingPortionAttributabletoNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value478000.03693000.001292000.00-646000.0
Percentage of OtherComprehensiveIncomeLossIssuancesofSharesNetofTax100.0100.00.0100.00.0100.0

mgp:PartnersCapitalJointVentureTransaction dei:LegalEntity

mgp:PartnersCapitalJointVentureTransaction

mgp:MGPOperatingPartnership


Partners
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.063
Percentage of PartnersCapitalJointVentureTransaction0.00.00.0100.0

mgp:PartnersCapitalJointVentureTransaction dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Partners
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.063
Percentage of PartnersCapitalJointVentureTransaction0.00.00.0100.0

mgp:PropertyTransactionsNet

mgp:PropertyTransactionsNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.0380.8430.1920.0-0.066195-0.59.9210.311.1131.4680.339144.086141.662106.8552.0331.4420.3350.8746.6650.00.0
Percentage of PropertyTransactionsNet100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

mgp:PropertyTransactionsNet dei:LegalEntity

mgp:MGPOperatingPartnership


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.0380.8430.1920.0-0.066195-0.59.9210.311.1131.4680.339144.086141.662106.8552.0331.4420.3350.874
Percentage of PropertyTransactionsNet100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:ReimbursableExpense

mgp:ReimbursableExpense


Reimbursable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5.925.925.9215.925.925.925.9215.925.925.9229293228281820
Percentage of ReimbursableExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:ReimbursableExpense dei:LegalEntity

mgp:MGPOperatingPartnership


Reimbursable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5.925.925.9215.925.925.925.9215.925.925.9229293228281820
Percentage of ReimbursableExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:StockRedeemedDuringPeriodPricePerShare dei:LegalEntity

mgp:StockRedeemedDuringPeriodPricePerShare

mgp:MGPOperatingPartnership


Stock
Period End2020-12-02
Value29.78
Percentage of StockRedeemedDuringPeriodPricePerShare100.0

mgp:StockRedeemedOrCalledDuringPeriodUsingCashShares us-gaap:Ownership, us-gaap:PreferredUnitsByName

mgp:StockRedeemedOrCalledDuringPeriodUsingCashShares

mgp:MGPOperatingPartnership, mgp:OperatingPartnershipUnits


Stock
Period End2021-03-31
Value15
Percentage of StockRedeemedOrCalledDuringPeriodUsingCashShares100.0

mgp:StockRedeemedOrCalledDuringPeriodUsingProceedsFromShareIssuancesShares us-gaap:Ownership

mgp:StockRedeemedOrCalledDuringPeriodUsingProceedsFromShareIssuancesShares

mgp:MGPOperatingPartnership


Stock
Period End2021-03-31
Value21
Percentage of StockRedeemedOrCalledDuringPeriodUsingProceedsFromShareIssuancesShares100.0

mgp:StockholdersEquityJointVentureTransaction

mgp:StockholdersEquityJointVentureTransaction


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.063
Percentage of StockholdersEquityJointVentureTransaction0.00.00.0100.0

mgp:StockholdersEquityJointVentureTransaction us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.059
Percentage of StockholdersEquityJointVentureTransaction0.00.00.00.1

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.08.228
Percentage of StockholdersEquityJointVentureTransaction0.00.00.012.9

us-gaap:NoncontrollingInterest


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.055
Percentage of StockholdersEquityJointVentureTransaction0.00.00.087.0

us-gaap:Parent


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.08.287
Percentage of StockholdersEquityJointVentureTransaction0.00.00.013.0

mgp:TemporaryEquityContributionsReceived

mgp:TemporaryEquityContributionsReceived


Temporary
Period End2020-09-302020-06-302020-03-31
Value397000.0399000.0251000.0
Percentage of TemporaryEquityContributionsReceived100.0100.0100.0

mgp:TemporaryEquityDividendsDeclared

mgp:TemporaryEquityDividendsDeclared


Temporary
Period End2020-09-302020-06-302020-03-31
Value121321
Percentage of TemporaryEquityDividendsDeclared100.0100.0100.0

mgp:TemporaryEquitySharebasedCompensation

mgp:TemporaryEquitySharebasedCompensation


Temporary
Period End2020-09-302020-06-302020-03-31
Value54000.088000.0105000.0
Percentage of TemporaryEquitySharebasedCompensation100.0100.0100.0

us-gaap:AmortizationOfDeferredHedgeGains

us-gaap:AmortizationOfDeferredHedgeGains


Amortization
Period End2021-06-302021-03-312020-06-302020-03-31
Value6.7644.6181.6350.756
Percentage of AmortizationOfDeferredHedgeGains100.0100.0100.0100.0

us-gaap:AmortizationOfDeferredHedgeGains dei:LegalEntity

mgp:MGPOperatingPartnership


Amortization
Period End2021-06-302021-03-312020-06-302020-03-31
Value6.7644.6181.6350.756
Percentage of AmortizationOfDeferredHedgeGains100.0100.0100.0100.0

us-gaap:AmortizationOfLeaseIncentives

us-gaap:AmortizationOfLeaseIncentives


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.0055.0055.0055.0055.0055.0055.0055.0055.0051.345
Percentage of AmortizationOfLeaseIncentives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfLeaseIncentives dei:LegalEntity

mgp:MGPOperatingPartnership


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.0055.0055.0055.0055.0055.0055.0055.0055.0051.345
Percentage of AmortizationOfLeaseIncentives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestPeriodIncreaseDecrease

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestPeriodIncreaseDecrease


Aoci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value2.3346.0248.3550.729-12.116
Percentage of AociIncludingPortionAttributableToNoncontrollingInterestPeriodIncreaseDecrease100.0100.0100.0100.0100.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestPeriodIncreaseDecrease us-gaap:StatementEquityComponents

mgp:AOCIOtherIncludingPortionAttributabletoNoncontrollingInterest


Aoci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value-0.49-10.555-4.0030.0-4.725
Percentage of AociIncludingPortionAttributableToNoncontrollingInterestPeriodIncreaseDecrease-21.0-175.2-47.90.039.0

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Aoci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value2.82416120.729-7.391
Percentage of AociIncludingPortionAttributableToNoncontrollingInterestPeriodIncreaseDecrease121.0275.2147.9100.061.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:BusinessCombinationAcquisitionRelatedCosts


Business
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-30
Value0.2780.00.00.3580.6221.2740.0920.2678.7921.7924.4232.1310.541161.0590.00.00.0799.50.5990.00.0
Percentage of BusinessCombinationAcquisitionRelatedCosts100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.00.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts dei:LegalEntity

mgp:MGPOperatingPartnership


Business
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.2780.00.00.3580.6221.2740.0920.2678.7921.7924.4232.1310.541161.0590.00.00.0799.50.599
Percentage of BusinessCombinationAcquisitionRelatedCosts100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312017-03-31
Value0.5150.4950.48750.4750.46750.4650.3875
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared dei:LegalEntity

mgp:MGPOperatingPartnership


Common
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-31
Value0.5150.4950.48750.4750.46750.465
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value378000.0378000.0377000.0378000.0378000.0378000.0377000.0504000.0252000.0880000.0949000.0926000.0920000.0916000.0842000.0638000.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized dei:LegalEntity

mgp:MGPOperatingPartnership


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value378000.0378000.0377000.0378000.0378000.0378000.0377000.0504000.0252000.0880000.0949000.0926000.0920000.0916000.0842000.0638000.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-6.455357.7011.588-12.120.00.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.00.00.0

us-gaap:DerivativeGainLossOnDerivativeNet dei:LegalEntity

mgp:MGPOperatingPartnership


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-6.455357.7011.588-12.120.00.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.00.00.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:Ownership, us-gaap:DerivativeInstrumentRisk

mgp:MGPOperatingPartnership, us-gaap:InterestRateSwap


Derivative
Period End2021-05-312020-09-302020-06-30
Value-0.17.71.6
Percentage of DerivativeGainLossOnDerivativeNet0.0100.0100.8

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:EquityMethodInvestmentDividendsOrDistributions


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value3115222223120.00.0
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.00.00.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions dei:LegalEntity

mgp:MGPOperatingPartnership


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value3115222223120.00.0
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.00.00.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

mgp:MGPOperatingPartnership, mgp:MGPBREITVenture


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value311522222312
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.3100.0100.2100.2100.2

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2525252525130.00.00.00.00.00.00.00.00.00.00.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromEquityMethodInvestments dei:LegalEntity

mgp:MGPOperatingPartnership


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value2525252525130.00.00.00.00.00.00.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0

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

mgp:MGPOperatingPartnership, mgp:MGPBREITVenture


Income
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value2525252513
Percentage of IncomeLossFromEquityMethodInvestments100.1100.3100.0100.2100.3

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-11073000.0-1644000.0-3883000.01555000.0-1955000.01028000.02216000.0-6420000.02907000.0-319000.04490000.0-8938000.05157000.0-5241000.0-2042000.03448000.04001000.0-5249000.02233000.02019000.0849000.00
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities dei:LegalEntity

mgp:MGPOperatingPartnership


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-11073000.0-1644000.0-3883000.01555000.0-1955000.01028000.02216000.0-6420000.02907000.0-319000.04490000.0-8938000.05157000.0-5241000.0-2042000.03448000.04001000.0-5249000.02233000.02019000.0849000.00
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInDueToAffiliates

us-gaap:IncreaseDecreaseInDueToAffiliates


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-90000.019000.041000.0-49000.0-1036000.0586000.0476000.0224000.0-271000.0118000.0-95000.0255000.0-155000.0-660000.0438000.0291000.0-583000.0650000.0-45000.0-254000.0465000.00
Percentage of IncreaseDecreaseInDueToAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInDueToAffiliates dei:LegalEntity

mgp:MGPOperatingPartnership


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-90000.019000.041000.0-49000.0-1036000.0586000.0476000.0224000.0-271000.0118000.0-95000.0255000.0-155000.0-660000.0438000.0291000.0-583000.0650000.0-45000.0-254000.0465000.00
Percentage of IncreaseDecreaseInDueToAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInInterestPayableNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.06711-2.2484.5328.771-5.4545.497-6.8685.50712-6.2997.276-5.3967.95-4.8289.813-9.4380.881-3.57917110.0
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInInterestPayableNet dei:LegalEntity

mgp:MGPOperatingPartnership


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.06711-2.2484.5328.771-5.4545.497-6.8685.50712-6.2997.276-5.3967.95-4.8289.813-9.4380.881-3.57917110.0
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value886000.0-242000.0651000.0-1089000.0-1085000.01171000.0-1125000.0-312000.0643000.0-109000.0-22000.0-538000.0490000.0-407000.0-2677000.0-1015000.04525000.0704000.0-2009000.0-274000.0-4464000.00
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets dei:LegalEntity

mgp:MGPOperatingPartnership


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value886000.0-242000.0651000.0-1089000.0-1085000.01171000.0-1125000.0-312000.0643000.0-109000.0-22000.0-538000.0490000.0-407000.0-2677000.0-1015000.04525000.0704000.0-2009000.0-274000.0-4464000.00
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:InterestAndOtherIncome

us-gaap:InterestAndOtherIncome


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value81000.0317000.0533000.02279000.01091000.0241000.0102000.01846000.0163000.01278000.01032000.01480000.0881000.0678000.0000
Percentage of InterestAndOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:InterestAndOtherIncome dei:LegalEntity

mgp:MGPOperatingPartnership


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value81000.0317000.0533000.02279000.01091000.0241000.0102000.01846000.0163000.01278000.01032000.01480000.0881000.0678000.0000
Percentage of InterestAndOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:LimitedPartnersCapitalAccountDistributionAmount dei:LegalEntity

us-gaap:LimitedPartnersCapitalAccountDistributionAmount

mgp:MGPOperatingPartnership


Limited
Period End2021-06-302021-03-312020-06-302020-03-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1381311341371141111111019594
Percentage of LimitedPartnersCapitalAccountDistributionAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Limited
Period End2021-06-302021-03-312020-06-302020-03-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1381311341371141111111019594
Percentage of LimitedPartnersCapitalAccountDistributionAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditAssumed1

us-gaap:LineOfCreditAssumed1


Line
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.013040.00.0
Percentage of LineOfCreditAssumed10.00.00.0100.00.00.0

us-gaap:LineOfCreditAssumed1 dei:LegalEntity

mgp:MGPOperatingPartnership


Line
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.013040.00.0
Percentage of LineOfCreditAssumed10.00.00.0100.00.00.0

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:MinorityInterestDecreaseFromRedemptions


Minority
Period End2020-12-312020-09-302020-06-30
Value0.00.07.532
Percentage of MinorityInterestDecreaseFromRedemptions0.00.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions dei:LegalEntity

mgp:MGPOperatingPartnership


Minority
Period End2020-12-312020-09-302020-06-30
Value0.00.07.532
Percentage of MinorityInterestDecreaseFromRedemptions0.00.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Minority
Period End2020-12-312020-09-302020-06-30
Value0.00.07.532
Percentage of MinorityInterestDecreaseFromRedemptions0.00.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents

mgp:AOCIOtherIncludingPortionAttributabletoNoncontrollingInterest


Minority
Period End2020-12-312020-09-302020-06-30
Value4.0010.04.772
Percentage of MinorityInterestDecreaseFromRedemptions0.00.063.4

us-gaap:AccumulatedOtherComprehensiveIncome


Minority
Period End2020-12-312020-09-302020-06-30
Value4.0010.04.772
Percentage of MinorityInterestDecreaseFromRedemptions0.00.063.4

us-gaap:AdditionalPaidInCapital


Minority
Period End2020-12-312020-09-302020-06-30
Value900.015
Percentage of MinorityInterestDecreaseFromRedemptions0.00.0202.6

us-gaap:NoncontrollingInterest


Minority
Period End2020-12-312020-09-302020-06-30
Value-94.8920.0-12.5
Percentage of MinorityInterestDecreaseFromRedemptions0.00.0-166.0

us-gaap:Parent


Minority
Period End2020-12-312020-09-302020-06-30
Value940.020
Percentage of MinorityInterestDecreaseFromRedemptions0.00.0266.0

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302016-09-302015-09-30
Value-197.308-247.941-1219.3131326-136.648-59.513-163.996453-136.02645-117.85824
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-197.308-247.941-1219.3131326-136.648-59.513-163.996453-136.02
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302016-09-302015-09-30
Value0.00.00.531580.00.03.7790.00.0-1068.3380.0-9.796
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations0.00.0100.0100.00.00.0100.00.00.0100.00.0100.0

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.00.00.531580.00.03.7790.00.0
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations0.00.0100.0100.00.00.0100.00.00.0

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302016-09-302015-09-30
Value177182175159211-455.124140120-14.587
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations dei:LegalEntity

mgp:MGPOperatingPartnership


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value177182175159211-455.124140
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted dei:LegalEntity

us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted

mgp:MGPOperatingPartnership


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.280.420.30.320.3-0.390.240.230.230.230.260.260.180.220.120.180.180.190.210.180.12
Percentage of NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted dei:LegalEntity, us-gaap:StatementOperatingActivitiesSegment

mgp:MGPOperatingPartnership, us-gaap:SegmentContinuingOperations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.30.320.3-0.390.240.230.230.170.190.210.18
Percentage of NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted100.0100.0100.0100.0100.0100.0100.073.973.180.8100.0

us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic dei:LegalEntity

us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic

mgp:MGPOperatingPartnership


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.280.420.30.320.3-0.390.240.230.230.230.260.260.180.220.120.180.180.190.210.180.12
Percentage of NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic dei:LegalEntity, us-gaap:StatementOperatingActivitiesSegment

mgp:MGPOperatingPartnership, us-gaap:SegmentContinuingOperations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.30.320.3-0.390.240.230.230.170.190.210.18
Percentage of NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic100.0100.0100.0100.0100.0100.0100.073.973.180.8100.0

us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1 dei:LegalEntity, us-gaap:BusinessAcquisition

us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1

mgp:MGPOperatingPartnership, mgp:MGPBREITVentureTransaction


Noncash
Period End2020-09-302020-06-302020-03-31
Value0.00.0802
Percentage of NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired10.00.0100.0

us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1 us-gaap:BusinessAcquisition

mgp:MGPBREITVentureTransaction


Noncash
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0802
Percentage of NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired10.00.00.0100.0

us-gaap:OperatingLeaseLeaseIncome us-gaap:ProductOrService

us-gaap:OperatingLeaseLeaseIncome

mgp:TenantReimbursements


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.06.06.16.06.06.06.16.25.96.5
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome us-gaap:ProductOrService, us-gaap:RelatedPartyTransaction

mgp:RentalProperties, mgp:MasterLease


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value188188188188203219219196
Percentage of OperatingLeaseLeaseIncome3138.33138.33138.33138.33391.73545.23725.43029.2

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-3.941110-5.675-15.339-96.783
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-3.941110-5.675-15.339-96.783
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest


Other
Period End2020-09-302020-06-302020-03-31
Value-0.105-1.26212
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.1668.386.9690.4134.38-57.789
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.1668.386.9690.4134.38-57.789
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountRedemptions dei:LegalEntity

us-gaap:PartnersCapitalAccountRedemptions

mgp:MGPOperatingPartnership


Partners
Period End2021-06-302021-03-31
Value0.01181
Percentage of PartnersCapitalAccountRedemptions0.0100.0

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

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Partners
Period End2021-06-302021-03-31
Value0.01181
Percentage of PartnersCapitalAccountRedemptions0.0100.0

us-gaap:PartnersCapitalAccountSaleOfUnits

us-gaap:PartnersCapitalAccountSaleOfUnits


Partners
Period End2020-09-302020-06-302020-03-31
Value0.00.00.059
Percentage of PartnersCapitalAccountSaleOfUnits0.00.0100.0

us-gaap:PartnersCapitalAccountSaleOfUnits dei:LegalEntity

mgp:MGPOperatingPartnership


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value1166760.00.00.050655086645480.0
Percentage of PartnersCapitalAccountSaleOfUnits0.00.00.00.00.0857962.70.00.00.00.00.0

us-gaap:PartnersCapitalAccountSaleOfUnits dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value1166760.00.00.050655086645480.0
Percentage of PartnersCapitalAccountSaleOfUnits0.00.00.00.00.0857962.70.00.00.00.00.0

us-gaap:PartnersCapitalAccountSaleOfUnits us-gaap:StatementEquityComponents

mgp:AOCIOtherIncludingPortionAttributabletoNoncontrollingInterest


Partners
Period End2020-09-302020-06-302020-03-31
Value0.00.00.059
Percentage of PartnersCapitalAccountSaleOfUnits0.00.0100.0

us-gaap:PartnersCapitalOther dei:LegalEntity

us-gaap:PartnersCapitalOther

mgp:MGPOperatingPartnership


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1262000.0-276000.0-61000.02000.0-147000.040000.04997000.0-1342000.0542000.0-1288000.0-20358000.0-3000.0401000.0-1000.0-658000.00401000.0
Percentage of PartnersCapitalOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PartnersCapitalOther dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1262000.0-276000.0-61000.02000.0-147000.040000.04997000.0-1342000.0542000.0-1288000.0-20358000.0-3000.0401000.0-1000.0-658000.00401000.0
Percentage of PartnersCapitalOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PaymentsForRepurchaseOfOtherEquity

us-gaap:PaymentsForRepurchaseOfOtherEquity


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.011817000.0
Percentage of PaymentsForRepurchaseOfOtherEquity0.0100.0100.00.0

us-gaap:PaymentsForRepurchaseOfOtherEquity dei:LegalEntity

mgp:MGPOperatingPartnership


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.011817000.0
Percentage of PaymentsForRepurchaseOfOtherEquity0.0100.0100.00.0

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value9.3460.09.9721.3350.00.00.09.9830.00.0124.5440.2174.3570.4980.5261.0437.913680.0
Percentage of PaymentsOfFinancingCosts100.00.0100.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PaymentsOfFinancingCosts dei:LegalEntity

mgp:MGPOperatingPartnership


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value9.3460.09.9721.3350.00.00.09.9830.00.0124.5440.2174.3570.4980.5261.0437.913680.0
Percentage of PaymentsOfFinancingCosts100.00.0100.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProceedsFromIssuanceInitialPublicOffering

us-gaap:ProceedsFromIssuanceInitialPublicOffering


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1166760.00.00.052455086415710.00.00.00.00.0
Percentage of ProceedsFromIssuanceInitialPublicOffering100.0100.00.00.00.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:ProceedsFromIssuanceInitialPublicOffering dei:LegalEntity

mgp:MGPOperatingPartnership


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1166760.00.00.052455086645480.00.00.00.00.0
Percentage of ProceedsFromIssuanceInitialPublicOffering100.0100.00.00.00.0100.0100.0100.0156.695.90.00.00.00.00.0

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromIssuanceOfDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302016-09-30
Value7500.08000.00.00.00.07500.00.00.0350500
Percentage of ProceedsFromIssuanceOfDebt100.00.0100.00.00.00.00.0100.00.00.00.0100.0100.0

us-gaap:ProceedsFromIssuanceOfDebt dei:LegalEntity

mgp:MGPOperatingPartnership


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302016-09-30
Value7500.08000.00.00.00.07500.00.00.0350500
Percentage of ProceedsFromIssuanceOfDebt100.00.0100.00.00.00.00.0100.00.00.00.0100.0100.0

us-gaap:ProceedsFromIssuanceOrSaleOfEquity dei:LegalEntity, us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromIssuanceOrSaleOfEquity

mgp:MGPOperatingPartnership, srt:Subsidiaries


Proceeds
Period End2021-03-31
Value1200
Percentage of ProceedsFromIssuanceOrSaleOfEquity100.0

us-gaap:ProceedsFromIssuanceOrSaleOfEquity us-gaap:Ownership

mgp:MGPOperatingPartnership


Proceeds
Period End2021-03-31
Value1200
Percentage of ProceedsFromIssuanceOrSaleOfEquity100.0

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromLongTermLinesOfCredit


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.013040.00.0
Percentage of ProceedsFromLongTermLinesOfCredit0.00.00.0100.00.00.0

us-gaap:ProceedsFromLongTermLinesOfCredit dei:LegalEntity

mgp:MGPOperatingPartnership


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.013040.00.0
Percentage of ProceedsFromLongTermLinesOfCredit0.00.00.0100.00.00.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-21000.00-853000.0-277000.00-1342000.0000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.00.0100.0100.00.0100.00.00.00.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities dei:LegalEntity

mgp:MGPOperatingPartnership


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-21000.00-853000.0-277000.00-1342000.0000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.00.0100.0100.00.0100.00.00.00.0

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-9.5-90.0-100.0-1150.0-353.75-548.562-7.563-89.625-469.625-19.625760-4.625-8.375-8.375
Percentage of ProceedsFromRepaymentsOfLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit dei:LegalEntity

mgp:MGPOperatingPartnership


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-9.5-90.0-100.0-1150.0-353.75-548.562-7.563-89.625-469.625-19.625760-4.625-8.375-8.375
Percentage of ProceedsFromRepaymentsOfLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfProductiveAssets


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.531580.00.0
Percentage of ProceedsFromSaleOfProductiveAssets0.00.0100.0100.00.00.0

us-gaap:ProceedsFromSaleOfProductiveAssets dei:LegalEntity

mgp:MGPOperatingPartnership


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.531580.00.0
Percentage of ProceedsFromSaleOfProductiveAssets0.00.0100.0100.00.00.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-6764000.0-4618000.0-6404000.07948000.0-1463000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-6764000.0-4618000.0-6404000.07948000.0-1463000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0

us-gaap:ReclassificationsOfTemporaryToPermanentEquity

us-gaap:ReclassificationsOfTemporaryToPermanentEquity


Reclassifications
Period End2020-12-312020-09-302020-06-302020-03-31
Value6.472-3.48191-1599.319
Percentage of ReclassificationsOfTemporaryToPermanentEquity100.0100.0100.0100.0

us-gaap:ReclassificationsOfTemporaryToPermanentEquity dei:LegalEntity

mgp:MGPOperatingPartnership


Reclassifications
Period End2020-12-312020-09-302020-06-302020-03-31
Value6.472-3.48191-1599.319
Percentage of ReclassificationsOfTemporaryToPermanentEquity100.0100.0100.0100.0

us-gaap:ReclassificationsOfTemporaryToPermanentEquity dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Reclassifications
Period End2020-12-312020-09-302020-06-302020-03-31
Value6.472-3.48191-1599.319
Percentage of ReclassificationsOfTemporaryToPermanentEquity100.0100.0100.0100.0

us-gaap:ReclassificationsOfTemporaryToPermanentEquity us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Reclassifications
Period End2020-09-302020-06-30
Value-17.055-216.858
Percentage of ReclassificationsOfTemporaryToPermanentEquity490.1-113.4

us-gaap:NoncontrollingInterest


Reclassifications
Period End2020-12-312020-09-302020-06-302020-03-31
Value-227.44113408-1599.319
Percentage of ReclassificationsOfTemporaryToPermanentEquity-3514.2-390.1213.4100.0

us-gaap:Parent


Reclassifications
Period End2020-09-302020-06-30
Value-17.055-216.858
Percentage of ReclassificationsOfTemporaryToPermanentEquity490.1-113.4

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

us-gaap:SaleOfStockConsiderationReceivedOnTransaction

us-gaap:CommonClassA, us-gaap:SubsequentEvent, mgp:AtTheMarketOfferingProgram


Sale
Period End2021-07-302020-02-12
Value0.318
Percentage of SaleOfStockConsiderationReceivedOnTransaction100.0100.0

us-gaap:SaleOfStockConsiderationReceivedOnTransaction us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock

us-gaap:CommonClassA, mgp:AtTheMarketOfferingProgram


Sale
Period End2021-06-302020-02-122019-12-312019-09-30
Value1161810.086
Percentage of SaleOfStockConsiderationReceivedOnTransaction0.0100.00.00.0

us-gaap:CommonClassA, mgp:PublicStockOffering


Sale
Period End2021-03-152019-01-312017-09-11
Value676548387
Percentage of SaleOfStockConsiderationReceivedOnTransaction0.00.00.0

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction us-gaap:Ownership, us-gaap:PreferredUnitsByName, us-gaap:SubsidiarySaleOfStock

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction

mgp:MGPOperatingPartnership, mgp:OperatingPartnershipUnits, mgp:AtTheMarketOfferingProgram


Sale
Period End2021-06-30
Value3.2
Percentage of SaleOfStockNumberOfSharesIssuedInTransaction100.0

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock

us-gaap:CommonClassA, us-gaap:SubsequentEvent, mgp:AtTheMarketOfferingProgram


Sale
Period End2021-07-302020-02-12
Value0.10.6
Percentage of SaleOfStockNumberOfSharesIssuedInTransaction0.00.0

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock

us-gaap:CommonClassA, mgp:AtTheMarketOfferingProgram


Sale
Period End2021-06-302020-02-122019-12-312019-09-30
Value3.20.60.42.8
Percentage of SaleOfStockNumberOfSharesIssuedInTransaction100.00.00.00.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value758000.0852000.0813000.0585000.0515000.0649000.0669000.0519000.0524000.0565000.0576000.0556000.0384000.0393000.0393000.0362000.0188000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation dei:LegalEntity

mgp:MGPOperatingPartnership


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value758000.0852000.0813000.0585000.0515000.0649000.0669000.0519000.0524000.0565000.0576000.0556000.0384000.0393000.0362000.0188000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value758000.0852000.0813000.0585000.0515000.0649000.0669000.0519000.0524000.0565000.0576000.0556000.0384000.0393000.0362000.0188000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value441000.0431000.0384000.0277000.0250000.0289000.0234000.0166000.0164000.0164000.0153000.0149000.0102000.099000.086000.044000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation58.250.647.247.448.544.535.032.031.329.026.626.826.625.223.823.4

us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value317000.0421000.0429000.0308000.0265000.0360000.0435000.0353000.0360000.0401000.0423000.0407000.0282000.0288000.0294000.0276000.0144000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation41.849.452.852.651.555.565.068.068.771.073.473.273.473.374.876.276.6

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value441000.0431000.0384000.0277000.0250000.0289000.0234000.0166000.0164000.0164000.0153000.0149000.0102000.0105000.099000.086000.044000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation58.250.647.247.448.544.535.032.031.329.026.626.826.626.725.223.823.4

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.017182.8292.10119
Percentage of StockIssuedDuringPeriodSharesNewIssues0.00.0100.0100.0100.0100.0100.0

us-gaap:StockRedeemedOrCalledDuringPeriodShares dei:LegalEntity, us-gaap:ConsolidatedEntities

us-gaap:StockRedeemedOrCalledDuringPeriodShares

mgp:MGPOperatingPartnership, srt:Subsidiaries


Stock
Period End2021-03-31
Value37
Percentage of StockRedeemedOrCalledDuringPeriodShares100.0

us-gaap:StockRedeemedOrCalledDuringPeriodShares us-gaap:Ownership

mgp:MGPOperatingPartnership


Stock
Period End2020-12-022020-05-18
Value2330
Percentage of StockRedeemedOrCalledDuringPeriodShares0.00.0

us-gaap:StockRedeemedOrCalledDuringPeriodShares us-gaap:Ownership, us-gaap:PreferredUnitsByName

mgp:MGPOperatingPartnership, mgp:OperatingPartnershipUnits


Stock
Period End2021-03-31
Value37
Percentage of StockRedeemedOrCalledDuringPeriodShares100.0

us-gaap:StockRedeemedOrCalledDuringPeriodValue

us-gaap:StockRedeemedOrCalledDuringPeriodValue


Stock
Period End2021-06-302021-03-31
Value0.01181
Percentage of StockRedeemedOrCalledDuringPeriodValue0.0100.0

us-gaap:StockRedeemedOrCalledDuringPeriodValue dei:LegalEntity

mgp:MGPOperatingPartnership


Stock
Period End2020-12-02
Value700
Percentage of StockRedeemedOrCalledDuringPeriodValue0.0

us-gaap:StockRedeemedOrCalledDuringPeriodValue us-gaap:StatementEquityComponents

mgp:AOCIOtherIncludingPortionAttributabletoNoncontrollingInterest


Stock
Period End2021-06-302021-03-31
Value0.06.86
Percentage of StockRedeemedOrCalledDuringPeriodValue0.00.6

us-gaap:AccumulatedOtherComprehensiveIncome


Stock
Period End2021-06-302021-03-31
Value0.06.86
Percentage of StockRedeemedOrCalledDuringPeriodValue0.00.6

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-31
Value0.0220
Percentage of StockRedeemedOrCalledDuringPeriodValue0.018.7

us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-31
Value0.0953
Percentage of StockRedeemedOrCalledDuringPeriodValue0.080.7

us-gaap:Parent


Stock
Period End2021-06-302021-03-31
Value0.0227
Percentage of StockRedeemedOrCalledDuringPeriodValue0.019.3

us-gaap:StockholdersEquityOther

us-gaap:StockholdersEquityOther


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.2620.2760.061-0.0020.147-0.04-4.9971.342-0.5421.288200.0030.4010.5150.6580.00.401
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

mgp:AOCIOtherIncludingPortionAttributabletoNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0.0120.0020.0020.0-0.047
Percentage of StockholdersEquityOther1.00.73.3-0.0-32.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0.0120.0020.0020.0-0.047
Percentage of StockholdersEquityOther1.00.73.3-0.0-32.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.084-0.027-0.02-0.001-1.136-0.209-1.8130.426-1.8230.3895.426-0.237-0.1080.1830.00.096
Percentage of StockholdersEquityOther6.7-9.8-32.850.0-772.8522.536.331.7336.330.226.7-7900.0-26.927.80.023.9

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.1660.3010.079-0.0011.330.169-3.1840.9161.2810.899140.240.2930.340.4750.00.305
Percentage of StockholdersEquityOther92.4109.1129.550.0904.8-422.563.768.3-236.369.873.38000.073.166.072.20.076.1

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.096-0.025-0.018-0.001-1.183-0.209-1.8130.426-1.8230.3895.426-0.2370.1080.1750.1830.00.096
Percentage of StockholdersEquityOther7.6-9.1-29.550.0-804.8522.536.331.7336.330.226.7-7900.026.934.027.80.023.9

us-gaap:StockholdersEquityOtherShares us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOtherShares

us-gaap:CommonStock


Stockholders
Period End2020-09-302020-06-302019-12-312019-09-302019-06-30
Value0108000.00077000.0
Percentage of StockholdersEquityOtherShares0.0100.00.00.0100.0

us-gaap:StraightLineRent

us-gaap:StraightLineRent


Straight
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-17381000.0-13633000.0-13633000.0-13632000.0-13633000.0-10781000.0-11664000.0-11664000.0-11664000.0-6455000.0-6023000.0-6022000.0-6023000.0-2612000.0-2594000.0-2249000.0-2248000.0677000.0677000.0642000.0420000.00
Percentage of StraightLineRent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:StraightLineRent dei:LegalEntity

mgp:MGPOperatingPartnership


Straight
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-17381000.0-13633000.0-13633000.0-13632000.0-13633000.0-10781000.0-11664000.0-11664000.0-11664000.0-6455000.0-6023000.0-6022000.0-6023000.0-2612000.0-2594000.0-2249000.0-2248000.0677000.0677000.0642000.0420000.00
Percentage of StraightLineRent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest us-gaap:Ownership

us-gaap:SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest

mgp:MGPOperatingPartnership


Subsidiary
Period End2021-06-302021-03-312020-12-31
Value0.557.93.7
Percentage of SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest100.0100.0100.0

us-gaap:TemporaryEquityAccretionToRedemptionValue

us-gaap:TemporaryEquityAccretionToRedemptionValue


Temporary
Period End2020-09-302020-06-302020-03-31
Value3.481911599
Percentage of TemporaryEquityAccretionToRedemptionValue100.0100.0100.0

us-gaap:TemporaryEquityNetIncome

us-gaap:TemporaryEquityNetIncome


Temporary
Period End2020-09-302020-06-302020-03-31
Value8.15914-16.536
Percentage of TemporaryEquityNetIncome100.0100.0100.0

us-gaap:TemporaryEquityOtherChanges

us-gaap:TemporaryEquityOtherChanges


Temporary
Period End2020-09-302020-06-302020-03-31
Value1000.0-619000.0-48000.0
Percentage of TemporaryEquityOtherChanges100.0100.0100.0

us-gaap:WeightedAverageLimitedPartnershipAndGeneralPartnershipUnitsOutstandingBasic dei:LegalEntity

us-gaap:WeightedAverageLimitedPartnershipAndGeneralPartnershipUnitsOutstandingBasic

mgp:MGPOperatingPartnership


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value265276-4.9542013033193243.2236342922902880.006462662662665.4762062452432426.183647233215
Percentage of WeightedAverageLimitedPartnershipAndGeneralPartnershipUnitsOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted dei:LegalEntity

us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted

mgp:MGPOperatingPartnership


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value265276-4.9391193033193243.2714512932902880.0114042662662665.4645842462432436.187313233215
Percentage of WeightedAverageLimitedPartnershipUnitsOutstandingDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value0.180.2270.1326070.1102550.00.1574970.1968390.2593350.1967390.1919050.1607790.140522
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment dei:LegalEntity

mgp:MGPOperatingPartnership


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value0.180.2270.1326070.1102550.00.1574970.1968390.2593350.1967390.1919050.1607790.1405220.166532780.2521630.239166
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

dei:EntityCommonStockSharesOutstanding us-gaap:StatementClassOfStock

dei:EntityCommonStockSharesOutstanding

us-gaap:CommonClassA


Entity
Period End2020-07-312020-05-012019-11-012019-08-022019-05-032018-11-012018-08-032018-05-012017-11-022017-08-032017-05-012016-11-092016-08-042016-06-03
Value131131959290707070705757575757
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgp:BusinessCombinationConsiderationTransferredExchangeRatioPricePerShare us-gaap:CounterpartyName, us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

mgp:BusinessCombinationConsiderationTransferredExchangeRatioPricePerShare

mgp:VICIPropertiesInc, srt:ScenarioForecast, mgp:VICIPropertiesTransaction, us-gaap:CommonStock, us-gaap:SubsequentEvent


Business
Period End2022-06-30
Value43.0
Percentage of BusinessCombinationConsiderationTransferredExchangeRatioPricePerShare100.0

mgp:BusinessCombinationNumberOfSharesRetained us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

mgp:BusinessCombinationNumberOfSharesRetained

srt:ScenarioForecast, mgp:VICIPropertiesTransaction, mgp:VICIOperatingPartnershipUnit, us-gaap:SubsequentEvent


Business
Period End2022-06-30
Value12
Percentage of BusinessCombinationNumberOfSharesRetained100.0

mgp:CommonStockValueAuthorizedAmountRemaining us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock

mgp:CommonStockValueAuthorizedAmountRemaining

us-gaap:CommonClassA, mgp:AtTheMarketOfferingProgram


Common
Period End2021-05-12
Value117
Percentage of CommonStockValueAuthorizedAmountRemaining100.0

mgp:ControllingInterestOwnershipPercentage dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

mgp:ControllingInterestOwnershipPercentage

mgp:MGPOperatingPartnership, mgp:MGPBREITVenture


Controlling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value50.150.150.150.10.5010.501
Percentage of ControllingInterestOwnershipPercentage100.0100.0100.0100.0100.0100.0

mgp:DerivativeNotionalAmountDeDesignated us-gaap:DerivativeInstrumentRisk

mgp:DerivativeNotionalAmountDeDesignated

us-gaap:InterestRateSwap


Derivative
Period End2020-11-302020-06-302019-11-22
Value700600600
Percentage of DerivativeNotionalAmountDeDesignated100.0100.0100.0

mgp:IncreaseDecreaseinRentPaymentsDueUnderLease

mgp:IncreaseDecreaseinRentPaymentsDueUnderLease


Increase
Period End2020-12-312019-12-312019-04-022019-03-302019-03-07
Value82794694677050
Percentage of IncreaseDecreaseinRentPaymentsDueUnderLease100.0100.0100.0100.0100.0

mgp:IncreaseDecreaseinRentPaymentsDueUnderLease us-gaap:AssetAcquisition, us-gaap:RelatedPartyTransaction

mgp:MGMSpringfield, mgp:MasterLeaseBaseRent


Increase
Period End2021-05-11
Value30
Percentage of IncreaseDecreaseinRentPaymentsDueUnderLease0.0

mgp:IncreaseDecreaseinRentPaymentsDueUnderLease us-gaap:RelatedPartyTransaction

mgp:MasterLeaseBaseRent


Increase
Period End2021-04-012020-04-012018-04-01
Value764749855
Percentage of IncreaseDecreaseinRentPaymentsDueUnderLease0.00.00.0

mgp:IncreaseDecreaseinRentPaymentsDueUnderLease us-gaap:RelatedPartyTransaction, us-gaap:SubsequentEventType

mgp:MasterLeaseBaseRent, us-gaap:SubsequentEvent


Increase
Period End2021-04-012020-04-01
Value764749
Percentage of IncreaseDecreaseinRentPaymentsDueUnderLease0.00.0

mgp:LessorOperatingLeaseFixedRentPortion us-gaap:AssetAcquisition, us-gaap:RelatedPartyTransaction

mgp:LessorOperatingLeaseFixedRentPortion

mgp:MGMSpringfield, mgp:MasterLeaseBaseRent


Lessor
Period End2021-05-11
Value27
Percentage of LessorOperatingLeaseFixedRentPortion100.0

mgp:LessorOperatingLeasePaymentToBeReceivedAfterYearFour

mgp:LessorOperatingLeasePaymentToBeReceivedAfterYearFour


Lessor
Period End2021-06-302021-03-312020-09-30
Value223223893
Percentage of LessorOperatingLeasePaymentToBeReceivedAfterYearFour100.0100.0100.0

mgp:NonNormalTenantImprovements

mgp:NonNormalTenantImprovements


Non
Period End2020-12-31
Value48
Percentage of NonNormalTenantImprovements100.0

mgp:OperatingLeaseAnnualRentEscalatorRate us-gaap:RelatedPartyTransaction

mgp:OperatingLeaseAnnualRentEscalatorRate

mgp:MasterLeaseBaseRent


Operating
Period End2021-04-012020-04-012019-04-012019-03-072019-01-29
Value2.02.00.020.020.02
Percentage of OperatingLeaseAnnualRentEscalatorRate100.0100.0100.0100.0100.0

mgp:OperatingLeaseAnnualRentEscalatorRate us-gaap:RelatedPartyTransaction, us-gaap:SubsequentEventType

mgp:MasterLeaseBaseRent, us-gaap:SubsequentEvent


Operating
Period End2021-04-01
Value2.0
Percentage of OperatingLeaseAnnualRentEscalatorRate100.0

mgp:OperatingLeaseLeaseAnnualCashRentAmount

mgp:OperatingLeaseLeaseAnnualCashRentAmount


Operating
Period End2021-03-31
Value827
Percentage of OperatingLeaseLeaseAnnualCashRentAmount100.0

srt:RealEstateFederalIncomeTaxBasis

srt:RealEstateFederalIncomeTaxBasis


Real
Period End2020-12-31
Value8500
Percentage of RealEstateFederalIncomeTaxBasis100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value75751241391441393759424849399.7584.59610128.8294.829108.2470.0
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent dei:LegalEntity

mgp:MGPOperatingPartnership


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value75751241391441393759424849399.7584.59610128.8294.829100.0
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6262023.995259360
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations dei:LegalEntity

mgp:MGPOperatingPartnership


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6262023.995259360
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2020-12-312019-12-312018-12-312017-12-31
Value156108163127
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability dei:LegalEntity

mgp:MGPOperatingPartnership


Contract
Period End2020-12-312019-12-312018-12-312017-12-31
Value156108163127
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4200420042103550365040004353490249094999471947383978398339913999370036663683
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value37394133352646545759525455575658565961
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value33293528
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0

us-gaap:DeferredRevenueLeasesNet

us-gaap:DeferredRevenueLeasesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value18717015614313011610895847216315714712912711588807251200.0
Percentage of DeferredRevenueLeasesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredRevenueLeasesNet dei:LegalEntity

mgp:MGPOperatingPartnership


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1871701561431301161089584721631571471291271158880720.0
Percentage of DeferredRevenueLeasesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-31
Value3329332825241734
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAverageFixedInterestRate us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeAverageFixedInterestRate

mgp:InterestRateSwapEffectiveJune302022, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-30
Value1.94
Percentage of DerivativeAverageFixedInterestRate100.0

mgp:InterestRateSwapEffectiveMay32017One, us-gaap:Nondesignated


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value1.8441.8441.8010.018441.786
Percentage of DerivativeAverageFixedInterestRate0.00.00.00.00.0

mgp:InterestRateSwapEffectiveNov302021, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312019-06-30
Value1.8011.8011.8440.018010.018011.801
Percentage of DerivativeAverageFixedInterestRate0.00.00.00.00.00.0

mgp:InterestRateSwapEffectiveOct12019, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-09-302020-06-302019-12-31
Value2.2520.022520.02252
Percentage of DerivativeAverageFixedInterestRate0.00.00.0

mgp:InterestRateSwapEffectiveSep62019, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-09-302020-06-302019-12-31
Value1.1580.011580.01158
Percentage of DerivativeAverageFixedInterestRate0.00.00.0

us-gaap:DerivativeFairValueOfDerivativeNet

us-gaap:DerivativeFairValueOfDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-71.411-71.904-118.924-134.567-139.605-132.167-30.5-54.57
Percentage of DerivativeFairValueOfDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

mgp:InterestRateSwapEffectiveJune302022, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-30
Value-33.656
Percentage of DerivativeFairValueOfDerivativeNet47.1

mgp:InterestRateSwapEffectiveMay32017One, us-gaap:Nondesignated


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value-13.879-18.889-42.641-29.089-2.736
Percentage of DerivativeFairValueOfDerivativeNet19.315.931.720.89.0

mgp:InterestRateSwapEffectiveNov302021, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value-29.17-41.131-23.935-41.398-4.915
Percentage of DerivativeFairValueOfDerivativeNet40.634.617.829.716.1

mgp:InterestRateSwapEffectiveOct12019, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-09-302020-06-302019-12-31
Value-56.08-56.682-18.743
Percentage of DerivativeFairValueOfDerivativeNet41.740.661.5

mgp:InterestRateSwapEffectiveOct12019, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-31
Value-31.913-22.71-48.453
Percentage of DerivativeFairValueOfDerivativeNet44.731.640.7

mgp:InterestRateSwapEffectiveSep62019, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-09-302020-06-302019-12-31
Value-11.911-12.4366.529
Percentage of DerivativeFairValueOfDerivativeNet8.98.9-21.4

mgp:InterestRateSwapEffectiveSep62019, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-31
Value-5.842-6.145-10.451
Percentage of DerivativeFairValueOfDerivativeNet8.28.58.8

us-gaap:DerivativeFairValueOfDerivativeNet us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value-33.656-29.17-41.131-110.632-110.516-21.235
Percentage of DerivativeFairValueOfDerivativeNet47.140.634.682.279.269.6

us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value-37.755-42.734-77.793-23.935-29.089-2.736
Percentage of DerivativeFairValueOfDerivativeNet52.959.465.417.820.89.0

us-gaap:DerivativeLiabilityNotionalAmount us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilityNotionalAmount

mgp:InterestRateSwapEffectiveJune302022, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-30
Value900
Percentage of DerivativeLiabilityNotionalAmount100.0

mgp:InterestRateSwapEffectiveMay32017One, us-gaap:Nondesignated


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value120012009001200600
Percentage of DerivativeLiabilityNotionalAmount0.00.00.00.00.0

mgp:InterestRateSwapEffectiveNov302021, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312019-06-30
Value9009001200900900900
Percentage of DerivativeLiabilityNotionalAmount0.00.00.00.00.00.0

us-gaap:DerivativeLiabilityNotionalAmount us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value900900900160016002200
Percentage of DerivativeLiabilityNotionalAmount100.00.00.00.00.00.0

us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value7001900190012001200600
Percentage of DerivativeLiabilityNotionalAmount77.80.00.00.00.00.0

us-gaap:DerivativeLiabilityNotionalAmount us-gaap:Ownership, us-gaap:DerivativeInstrumentRisk

mgp:MGPOperatingPartnership, mgp:InterestRateSwapEffectiveJune302022


Derivative
Period End2021-06-30
Value900
Percentage of DerivativeLiabilityNotionalAmount100.0

mgp:MGPOperatingPartnership, us-gaap:InterestRateSwap


Derivative
Period End2021-05-31
Value1200
Percentage of DerivativeLiabilityNotionalAmount0.0

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:DividendsPayableCurrentAndNoncurrent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value13813113614714715814713813613911911611411111110195949494560.0
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DividendsPayableCurrentAndNoncurrent dei:LegalEntity

mgp:MGPOperatingPartnership


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1381311361471471581471381361391191161141111111019594940.0
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DueToAffiliateCurrentAndNoncurrent

us-gaap:DueToAffiliateCurrentAndNoncurrent


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value245000.0335000.0316000.0275000.0324000.01360000.0774000.0298000.074000.0425000.0307000.0402000.0147000.0302000.0962000.0524000.0233000.0816000.0166000.0211000.0465000.00
Percentage of DueToAffiliateCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DueToAffiliateCurrentAndNoncurrent dei:LegalEntity

mgp:MGPOperatingPartnership


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value245000.0335000.0316000.0275000.0324000.01360000.0774000.0298000.074000.0425000.0307000.0402000.0147000.0302000.0962000.0524000.0233000.0816000.0166000.00
Percentage of DueToAffiliateCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:Ownership

us-gaap:EquityMethodInvestmentOwnershipPercentage

mgp:MGPOperatingPartnership


Equity
Period End2021-06-302021-03-152021-03-142020-12-022020-05-182020-02-15
Value58.457.947.047.043.339.4
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value39393940404141414242434343444444454546460.0
Percentage of FiniteLivedIntangibleAssetAcquiredInPlaceLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FiniteLivedIntangibleAssetAcquiredInPlaceLeases dei:LegalEntity

mgp:MGPOperatingPartnership


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value393939404041414142424343434444444545460.0
Percentage of FiniteLivedIntangibleAssetAcquiredInPlaceLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:InterestPayableCurrentAndNoncurrent

us-gaap:InterestPayableCurrentAndNoncurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value6259485046374237443826322530222717272629110.0
Percentage of InterestPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:InterestPayableCurrentAndNoncurrent dei:LegalEntity

mgp:MGPOperatingPartnership


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value625948504637423744382632253022271727260.0
Percentage of InterestPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8138208108078058030.0
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure100.0100.0100.0100.0100.0100.00.0

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure dei:LegalEntity

mgp:MGPOperatingPartnership


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8138208108078058030.0
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure100.0100.0100.0100.0100.0100.00.0

us-gaap:LeaseIncentiveReceivable

us-gaap:LeaseIncentiveReceivable


Lease
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5025075125175225275325375420.0
Percentage of LeaseIncentiveReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LeaseIncentiveReceivable dei:LegalEntity

mgp:MGPOperatingPartnership


Lease
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5025075125175225275325375420.0
Percentage of LeaseIncentiveReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value24
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceived


Lessor
Period End2021-06-302021-03-312020-12-312020-09-30
Value3596380740144221
Percentage of LessorOperatingLeasePaymentsToBeReceived100.0100.0100.0100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears


Lessor
Period End2020-12-31
Value669
Percentage of LessorOperatingLeasePaymentsToBeReceivedFiveYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears


Lessor
Period End2021-06-302021-03-312020-12-312020-09-302019-03-31
Value669669733733855
Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears100.0100.0100.0100.0100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths


Lessor
Period End2021-06-302021-03-312020-12-312020-09-30
Value784784839839
Percentage of LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths100.0100.0100.0100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear


Lessor
Period End2021-06-302021-03-312020-09-30
Value421632206
Percentage of LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear100.0100.0100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter


Lessor
Period End2020-12-31
Value223
Percentage of LessorOperatingLeasePaymentsToBeReceivedThereafter100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears


Lessor
Period End2021-06-302021-03-312020-12-312020-09-302019-03-31
Value733733764764914
Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears100.0100.0100.0100.0100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears


Lessor
Period End2021-06-302021-03-312020-12-312020-09-30
Value764764784784
Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears100.0100.0100.0100.0

us-gaap:LimitedPartnersCapitalAccount dei:LegalEntity

us-gaap:LimitedPartnersCapitalAccount

mgp:MGPOperatingPartnership


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value51465089559056235669554168986384638667165845591559746032606758405507556256080.0
Percentage of LimitedPartnersCapitalAccount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding dei:LegalEntity

us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding

mgp:MGPOperatingPartnership


Limited
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value280303333313295292299266266266266266256243242242
Percentage of LimitedPartnersCapitalAccountUnitsOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding us-gaap:Ownership

mgp:MGPOperatingPartnership


Limited
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value268264303303333
Percentage of LimitedPartnersCapitalAccountUnitsOutstanding0.00.00.0100.0100.0

us-gaap:LineOfCredit dei:LegalEntity, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCredit

mgp:MGPOperatingPartnership, us-gaap:RevolvingCreditFacility, mgp:SeniorSecuredRevolvingCreditFacility


Line
Period End2020-09-302020-06-302020-03-31
Value1002001350
Percentage of LineOfCredit100.0100.0100.0

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

us-gaap:RevolvingCreditFacility, mgp:SeniorSecuredRevolvingCreditFacility


Line
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.510.010020013500.00.00.0855505650.00.00.0
Percentage of LineOfCredit0.00.0100.0100.0100.00.00.00.00.00.00.00.00.00.0

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd dei:LegalEntity, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

mgp:MGPOperatingPartnership, us-gaap:RevolvingCreditFacility, mgp:SeniorSecuredRevolvingCreditFacility


Line
Period End2020-09-30
Value1.85
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd100.0

us-gaap:LoansAndLeasesReceivableNetReportedAmount

us-gaap:LoansAndLeasesReceivableNetReportedAmount


Loans
Period End2021-06-302020-12-31
Value497507
Percentage of LoansAndLeasesReceivableNetReportedAmount100.0100.0

us-gaap:LoansAndLeasesReceivableNetReportedAmount dei:LegalEntity

mgp:MGPOperatingPartnership


Loans
Period End2021-06-302020-12-31
Value497507
Percentage of LoansAndLeasesReceivableNetReportedAmount100.0100.0

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtFairValue


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
Value450044004500370037003700460051005000500045004700390040004100
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value2350
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value800
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value1050
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value10000000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:OtherLiabilities us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherLiabilities

mgp:MGPBREITVenture


Other
Period End2020-12-31
Value7811000.0
Percentage of OtherLiabilities100.0

us-gaap:PartnersCapital dei:LegalEntity

us-gaap:PartnersCapital

mgp:MGPOperatingPartnership


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-04-242015-12-312014-12-312013-12-31
Value51465089559056235669554168986384638667165845591559746032606758405507556256080.0605861276296
Percentage of PartnersCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:PartnersCapital dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

mgp:MGPOperatingPartnership, us-gaap:LimitedPartner


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-04-242015-12-312014-12-312013-12-31
Value514650895590562356695541689863846386671658455915597460326067584055075562560838680.00.00.0
Percentage of PartnersCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PrepaidExpenseAndOtherAssets

us-gaap:PrepaidExpenseAndOtherAssets


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value2424252626263027233637565133188.898.819111010100.0
Percentage of PrepaidExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PrepaidExpenseAndOtherAssets dei:LegalEntity

mgp:MGPOperatingPartnership


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value2424252626263027233637565133188.898.81911100.0
Percentage of PrepaidExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAccumulatedDepreciation


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value254630962806263323882171
Percentage of RealEstateAccumulatedDepreciation100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAccumulatedDepreciation us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

mgp:InvestmentProperties


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value2546309628062633
Percentage of RealEstateAccumulatedDepreciation100.0100.0100.0100.0

us-gaap:RealEstateAccumulatedDepreciation us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

mgp:InvestmentProperties, mgp:BeauRivage


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value283268258241
Percentage of RealEstateAccumulatedDepreciation11.18.79.29.2

mgp:InvestmentProperties, mgp:BorgataHotelCasinoAndSpa


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1541218764
Percentage of RealEstateAccumulatedDepreciation6.13.93.12.4

mgp:InvestmentProperties, mgp:EmpireCityCasino


Real
Period End2020-12-312019-12-31
Value4723
Percentage of RealEstateAccumulatedDepreciation1.90.8

mgp:InvestmentProperties, mgp:Excalibur


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value169156144131
Percentage of RealEstateAccumulatedDepreciation6.75.15.15.0

mgp:InvestmentProperties, mgp:GoldStrikeTunica


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value97938883
Percentage of RealEstateAccumulatedDepreciation3.83.03.23.2

mgp:InvestmentProperties, mgp:Luxor


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value395372350327
Percentage of RealEstateAccumulatedDepreciation15.512.012.512.4

mgp:InvestmentProperties, mgp:MGMGrandDetroit


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value206192177161
Percentage of RealEstateAccumulatedDepreciation8.16.26.36.1

mgp:InvestmentProperties, mgp:MGMNationalHarborCasinoResort


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1641258336
Percentage of RealEstateAccumulatedDepreciation6.54.13.01.4

mgp:InvestmentProperties, mgp:MGMNorthfieldPark


Real
Period End2020-12-312019-12-31
Value3420
Percentage of RealEstateAccumulatedDepreciation1.30.7

mgp:InvestmentProperties, mgp:MonteCarlo


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1089887146
Percentage of RealEstateAccumulatedDepreciation4.33.23.15.5

mgp:InvestmentProperties, mgp:NewYorkNewYorkandThePark


Real
Period End2020-12-312019-12-31
Value345327
Percentage of RealEstateAccumulatedDepreciation13.610.6

mgp:InvestmentProperties, mgp:TheMirage


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value537514484467
Percentage of RealEstateAccumulatedDepreciation21.116.617.317.7

srt:OfficeBuilding, mgp:MGMCorporateOffice


Real
Period End2020-12-312019-12-312018-12-31
Value0.2840.1950.108
Percentage of RealEstateAccumulatedDepreciation0.00.00.0

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value74269293840585127324
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

mgp:InvestmentProperties


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value7425929284048511
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

mgp:InvestmentProperties, mgp:BeauRivage


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value551551559560
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements7.45.96.76.6

mgp:InvestmentProperties, mgp:BorgataHotelCasinoAndSpa


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1249125012541256
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements16.813.514.914.8

mgp:InvestmentProperties, mgp:Excalibur


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value383383384383
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements5.24.14.64.5

mgp:InvestmentProperties, mgp:GoldStrikeTunica


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value178178178178
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements2.41.92.12.1

mgp:InvestmentProperties, mgp:Luxor


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value701701704705
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements9.47.68.48.3

mgp:InvestmentProperties, mgp:MGMGrandDetroit


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value596597597597
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements8.06.47.17.0

mgp:InvestmentProperties, mgp:MGMNationalHarborCasinoResort


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1205120511991220
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements16.213.014.314.3

mgp:InvestmentProperties, mgp:MonteCarlo


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value324324322391
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements4.43.53.84.6

mgp:InvestmentProperties, mgp:NewYorkNewYorkandThePark


Real
Period End2020-12-312019-12-31
Value584584
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements7.96.3

mgp:InvestmentProperties, mgp:TheMirage


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value746746747759
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements10.08.08.98.9

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value34314631414341434143
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfLand100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

mgp:InvestmentProperties


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value3431463141434143
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfLand100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value74699351844484447260
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

mgp:InvestmentProperties


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value7468935184448444
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value34314631414341434143
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfLand100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

mgp:InvestmentProperties


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value3431463141434143
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfLand100.0100.0100.0100.0

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateGrossAtCarryingValue


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value10857139241254812655114689965
Percentage of RealEstateGrossAtCarryingValue100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateGrossAtCarryingValue us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

mgp:InvestmentProperties


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value10856139231254812655
Percentage of RealEstateGrossAtCarryingValue100.0100.0100.0100.0

us-gaap:RealEstateGrossAtCarryingValue us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

mgp:InvestmentProperties, mgp:BeauRivage


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value656656664665
Percentage of RealEstateGrossAtCarryingValue6.04.75.35.3

mgp:InvestmentProperties, mgp:BorgataHotelCasinoAndSpa


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1285128612901291
Percentage of RealEstateGrossAtCarryingValue11.89.210.310.2

mgp:InvestmentProperties, mgp:Excalibur


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1198119811981198
Percentage of RealEstateGrossAtCarryingValue11.08.69.69.5

mgp:InvestmentProperties, mgp:GoldStrikeTunica


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value181182182182
Percentage of RealEstateGrossAtCarryingValue1.71.31.51.4

mgp:InvestmentProperties, mgp:Luxor


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1142114211451146
Percentage of RealEstateGrossAtCarryingValue10.58.29.19.1

mgp:InvestmentProperties, mgp:MGMGrandDetroit


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value649649649649
Percentage of RealEstateGrossAtCarryingValue6.04.75.25.1

mgp:InvestmentProperties, mgp:MGMNationalHarborCasinoResort


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1205120511991220
Percentage of RealEstateGrossAtCarryingValue11.18.79.69.6

mgp:InvestmentProperties, mgp:MonteCarlo


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value615615613682
Percentage of RealEstateGrossAtCarryingValue5.74.44.95.4

mgp:InvestmentProperties, mgp:NewYorkNewYorkandThePark


Real
Period End2020-12-312019-12-31
Value767767
Percentage of RealEstateGrossAtCarryingValue7.15.5

mgp:InvestmentProperties, mgp:TheMirage


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1763176417651776
Percentage of RealEstateGrossAtCarryingValue16.212.714.114.0

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value2661260425462488243023723096301829642861280627512703268426332547248124482388232822762171
Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAtCost

us-gaap:RealEstateInvestmentPropertyAtCost


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value1085510856108571085710857108581392413912139401315812548125541258412634126551145911439114671146811451101249965
Percentage of RealEstateInvestmentPropertyAtCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAtCost us-gaap:PropertyPlantAndEquipmentByType

mgp:BuildingsBuildingImprovementsLandImprovementsAndIntegralEquipment


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value742474247426742674267427929392819309891984058411844084908512731572957324732473075857
Percentage of RealEstateInvestmentPropertyAtCost68.468.468.468.468.468.466.766.766.867.867.067.067.167.267.363.863.863.963.963.858.8

us-gaap:Land


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value3431343134313431343134314631463146314238414341434143414341434143414341434143414341074107
Percentage of RealEstateInvestmentPropertyAtCost31.631.631.631.631.631.633.333.333.232.233.033.032.932.832.736.236.236.136.136.240.641.2

us-gaap:RealEstateInvestmentPropertyNet

us-gaap:RealEstateInvestmentPropertyNet


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value819482518310836984278486108271089410975102969742980398809949100218911895790199079912278477793
Percentage of RealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyNet dei:LegalEntity

mgp:MGPOperatingPartnership


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value8194825183108369842784861082710894109751029697429803988099491002189118957901990797793
Percentage of RealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyNet us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

mgp:MGPBREITVenture


Real
Period End2020-12-31
Value4523
Percentage of RealEstateInvestmentPropertyNet54.4

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount


Redeemable
Period End2020-09-302020-06-302020-03-312019-12-31
Value70070015830.0
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0100.00.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount dei:LegalEntity

mgp:MGPOperatingPartnership


Redeemable
Period End2020-09-302020-06-302020-03-312019-12-31
Value70070015830.0
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0100.00.0

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements


S
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value14714714412572
Percentage of SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements100.0100.0100.0100.0100.0

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

mgp:InvestmentProperties


S
Period End2020-12-312019-12-312018-12-312017-12-31
Value147147144125
Percentage of SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements99.999.999.9100.0

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

mgp:InvestmentProperties, mgp:Excalibur


S
Period End2020-12-312019-12-312018-12-312017-12-31
Value43434343
Percentage of SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements29.829.830.334.6

mgp:InvestmentProperties, mgp:MonteCarlo


S
Period End2020-12-312019-12-312018-12-312017-12-31
Value10310310082
Percentage of SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements70.170.169.565.4

us-gaap:SecuredDebt us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:SecuredDebt

us-gaap:RevolvingCreditFacility, mgp:SeniorSecuredRevolvingCreditFacility


Secured
Period End2020-12-31
Value10.0
Percentage of SecuredDebt100.0

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

us-gaap:SeniorNotes

mgp:A4625SeniorNotesDueIn2025, us-gaap:SeniorNotes


Senior
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value8008008008008000.0
Percentage of SeniorNotes100.0100.0100.0100.0100.00.0

mgp:A5.75seniornotesdue2027, us-gaap:SeniorNotes


Senior
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7507507507507507507507507507500.0
Percentage of SeniorNotes93.893.893.893.893.80.00.00.00.00.00.0

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests


Temporary
Period End2020-09-302020-06-302020-03-312020-01-14
Value70070015830.0
Percentage of TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests100.0100.0100.00.0

Line plots across dimensions of each concept


us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
(None,)
Other Comprehensive Income Loss Net Of Taxus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
dei:LegalEntity, us-gaap:ProductOrService
('mgp:MGPOperatingPartnership', None)
Revenue From Contract With Customer Excluding Assessed Taxdei: Legal Entity, us-gaap: Product Or Service
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Equity Components
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents
(None,)
Minority Interest Decrease From Distributions To Noncontrolling Interest Holdersus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components