REG


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued
us-gaap:PlanName, us-gaap:SubsidiarySaleOfStock

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
us-gaap:ConsolidatedEntities

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:ConsolidatedEntities

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:Revenues
us-gaap:ConsolidatedEntities

us-gaap:OperatingExpenses
us-gaap:ConsolidatedEntities

us-gaap:OperatingCostsAndExpenses
us-gaap:ConsolidatedEntities

us-gaap:GeneralAndAdministrativeExpense
us-gaap:ConsolidatedEntities

us-gaap:InterestExpense
us-gaap:ConsolidatedEntities

us-gaap:NonoperatingIncomeExpense
us-gaap:ConsolidatedEntities

us-gaap:IncomeTaxesPaidNet
us-gaap:ConsolidatedEntities

us-gaap:ProfitLoss
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:NetIncomeLoss
us-gaap:ConsolidatedEntities, us-gaap:StatementOperatingActivitiesSegment
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
us-gaap:StatementOperatingActivitiesSegment
us-gaap:ConsolidatedEntities, us-gaap:StatementOperatingActivitiesSegment
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted
us-gaap:StatementOperatingActivitiesSegment

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:ConsolidatedEntities

us-gaap:Goodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:ConsolidatedEntities

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

us-gaap:MinorityInterest

us-gaap:StockholdersEquity

us-gaap:CommonStockValue

us-gaap:TreasuryStockValue

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:ConsolidatedEntities

us-gaap:ShareBasedCompensation
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities
us-gaap:LeaseArrangementType
reg:AmortizationOfAboveAndBelowMarketAndTenantLeases

reg:AmountOfLeaseRevenueDeterminedToBeUncollectibleAndChargedToLeaseIncome

reg:AmountOfLeaseRevenueDeterminedToBeUncollectibleStraightLineRent
us-gaap:ConsolidatedEntities
reg:CommonUnitsIssuedOfCommonStockIssuedByParentNetOfIssuanceCosts
us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:ConsolidatedEntities
reg:CommonUnitsRedeemedOfCommonStockByParentNetOfIssuance
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:ReportingUnit
reg:GoodwillAccumulatedImpairmentLossesAllocatedToGainOnSaleOfRealEstate

reg:GoodwillAccumulatedImpairmentLossesAllocatedToPropertiesHeldForSale

reg:GoodwillAccumulatedImpairmentLossesAllocatedToProvisionForImpairment
us-gaap:ReportingUnit
reg:GoodwillGrossAllocatedToGainOnSaleOfRealEstate

reg:GoodwillGrossAllocatedToPropertiesHeldForSale

reg:GoodwillNetAllocatedToProvisionForImpairment
us-gaap:ReportingUnit

reg:IssuanceOfExchangeableOperatingPartnershipValue
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

reg:NetProceedsFromSaleOfRealEstateHeldForInvestment
us-gaap:PropertyPlantAndEquipmentByType
reg:NumberOfRealEstatePropertiesSold

reg:PaymentsForProceedsFromDividendsOnTradingSecuritiesHeldInTrust
us-gaap:ConsolidatedEntities

reg:PaymentsforProceedsfromSettlementofDerivativeInstrument
us-gaap:ConsolidatedEntities

reg:StockBasedCompensationCapitalized
us-gaap:ConsolidatedEntities

reg:StockDeferredIntoTrust
us-gaap:ConsolidatedEntities

reg:StockDistributedOutOfTrust
us-gaap:ConsolidatedEntities

us-gaap:AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfAboveAndBelowMarketLeases
us-gaap:ConsolidatedEntities

us-gaap:AmortizationOfFinancingCostsAndDiscounts
us-gaap:ConsolidatedEntities

us-gaap:CapitalExpendituresIncurredButNotYetPaid
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:ConsolidatedEntities

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
us-gaap:DerivativeInstrumentRisk

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedGainLoss
us-gaap:ConsolidatedEntities

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense
us-gaap:ConsolidatedEntities

us-gaap:DepreciationAndAmortization
us-gaap:ConsolidatedEntities

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EquityMethodInvestmentDividendsOrDistributions
us-gaap:ConsolidatedEntities

us-gaap:GainLossOnSaleOfProperties
us-gaap:ConsolidatedEntities

us-gaap:GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes
us-gaap:ConsolidatedEntities

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:ConsolidatedEntities

us-gaap:GoodwillImpairmentLoss
us-gaap:ConsolidatedEntities
us-gaap:UnusualOrInfrequentItem, reg:GoodwillComponents

us-gaap:GoodwillOtherIncreaseDecrease
us-gaap:ReportingUnit
us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit

us-gaap:ImpairmentOfRealEstate
us-gaap:ConsolidatedEntities

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted
us-gaap:ConsolidatedEntities
us-gaap:IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ConsolidatedEntities

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables
us-gaap:ConsolidatedEntities

us-gaap:IncreaseDecreaseInAccountsPayable
us-gaap:ConsolidatedEntities

us-gaap:IncreaseDecreaseInDeferredLeasingFees
us-gaap:ConsolidatedEntities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
us-gaap:ConsolidatedEntities

us-gaap:IncreaseDecreaseInSecurityDeposits
us-gaap:ConsolidatedEntities

us-gaap:InterestPaidCapitalized
us-gaap:ConsolidatedEntities

us-gaap:InterestPaidNet
us-gaap:ConsolidatedEntities

us-gaap:LeaseIncome
us-gaap:ConsolidatedEntities

us-gaap:MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:NetIncomeLossAllocatedToGeneralPartners

us-gaap:NetRealizedOrUnrealizedGainLossOnTradingSecurities
us-gaap:ConsolidatedEntities

us-gaap:NoncashOrPartNoncashAcquisitionDebtAssumed1
us-gaap:ConsolidatedEntities

us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1
us-gaap:ConsolidatedEntities

us-gaap:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable
us-gaap:ConsolidatedEntities

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents
us-gaap:ConsolidatedEntities
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax
us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax

us-gaap:OtherGeneralExpense
us-gaap:ConsolidatedEntities

us-gaap:OtherOperatingIncome
us-gaap:ConsolidatedEntities

us-gaap:PartnersCapitalAccountContributions
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents
us-gaap:StatementEquityComponents

us-gaap:PartnersCapitalAccountDistributions
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:PaymentsForProceedsFromDepositsOnRealEstateAcquisitions
us-gaap:ConsolidatedEntities

us-gaap:PaymentsForProceedsFromLoansReceivable
us-gaap:ConsolidatedEntities

us-gaap:PaymentsOfDebtExtinguishmentCosts
us-gaap:ConsolidatedEntities

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:ConsolidatedEntities

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfLoanCosts
us-gaap:ConsolidatedEntities

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:ConsolidatedEntities
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireMarketableSecurities
us-gaap:ConsolidatedEntities

us-gaap:PaymentsToAcquirePartnersInterestInRealEstatePartnershipNetOfCashAcquired
us-gaap:ConsolidatedEntities

us-gaap:PaymentsToAcquireRealEstate
us-gaap:ConsolidatedEntities

us-gaap:PaymentsToDevelopRealEstateAssets
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromIssuanceOfCommonStock
us-gaap:ConsolidatedEntities
us-gaap:PlanName, us-gaap:SubsidiarySaleOfStock

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromLinesOfCredit
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromPaymentsToMinorityShareholders
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromSaleOfTreasuryStock
us-gaap:ConsolidatedEntities

us-gaap:PropertyManagementFeeRevenue
us-gaap:ConsolidatedEntities
us-gaap:IncomeStatementLocation

us-gaap:RealEstateTaxExpense
us-gaap:ConsolidatedEntities

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:RepaymentsOfLinesOfCredit
us-gaap:ConsolidatedEntities

us-gaap:RepaymentsOfNotesPayable
us-gaap:ConsolidatedEntities

us-gaap:RepaymentsOfSecuredDebt
us-gaap:ConsolidatedEntities

us-gaap:RepaymentsOfUnsecuredDebt
us-gaap:ConsolidatedEntities

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueStockDividend
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:WeightedAverageLimitedPartnershipUnitsOutstanding
us-gaap:CreditFacility
reg:DebtWeightedAverageContractualInterestRate
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType, us-gaap:VariableRate
us-gaap:CreditFacility
reg:DebtWeightedAverageEffectiveInterestRate
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType, us-gaap:VariableRate

reg:ExchangeableOperatingPartnershipUnitsAggregateRedemptionValue

reg:RealEstateInvestmentPropertiesHeldForSale
us-gaap:ConsolidatedEntities

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:AccountsReceivableNet
us-gaap:BalanceSheetLocation
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedDistributionsInExcessOfNetIncome

us-gaap:AdditionalPaidInCapital
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByMeasurementFrequency

us-gaap:BelowMarketLeaseAccumulatedAmortization
us-gaap:ConsolidatedEntities
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

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

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent

us-gaap:DeferredCompensationPlanAssets

us-gaap:DeferredCostsAndOtherAssets

us-gaap:DeferredCostsLeasingAccumulatedAmortization
us-gaap:ConsolidatedEntities

us-gaap:DeferredCostsLeasingNet
us-gaap:ConsolidatedEntities
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeFixedInterestRate
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:GeneralPartnersCapitalAccount
us-gaap:ConsolidatedEntities
us-gaap:GeneralPartnersCapitalAccountUnitsOutstanding

us-gaap:GoodwillGross

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:InterestRateCashFlowHedgeDerivativeAtFairValueNet
us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:Investments

us-gaap:LettersOfCreditOutstandingAmount
us-gaap:ConsolidatedEntities
us-gaap:LimitedPartnersCapitalAccount
us-gaap:ConsolidatedEntities
us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCredit
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:MinorityInterestInLimitedPartnerships
us-gaap:ConsolidatedEntities

us-gaap:MinorityInterestInOperatingPartnerships

us-gaap:NoncontrollingInterestInVariableInterestEntity

us-gaap:NotesPayable
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:NotesPayableFairValueDisclosure
us-gaap:RealEstateProperties
us-gaap:NumberOfRealEstateProperties

us-gaap:OffMarketLeaseUnfavorable
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLiability
us-gaap:ConsolidatedEntities

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:OtherPrepaidExpenseCurrent
us-gaap:ConsolidatedEntities
us-gaap:PartnersCapital
us-gaap:ConsolidatedEntities
us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAtCost

us-gaap:RealEstateInvestmentPropertyNet

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:SecurityDepositLiability
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:TradingSecurities
us-gaap:FairValueByMeasurementFrequency

us-gaap:UnsecuredDebt
us-gaap:ConsolidatedEntities

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▄▄▄▄1111NA1NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesIssued █▁▁▁169167167167NA167NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 167NA167167167NA169169NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding us-gaap:ConsolidatedEntities srt:PartnershipInterest168NA168168168NA170170171NA170170NANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 167NA167167167NA169169NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:WeightedAverageNumberOfSharesOutstandingBasic us-gaap:ConsolidatedEntities srt:PartnershipInterest168NA167167167NA169169171NA170170NANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare ▂▅▆▆█▇▇▆▆█▆▆▁█▆-0.150.240.340.310.540.470.410.280.310.50.350.28-0.260.490.27NANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare ▂▅▆▆█▇▇▆▆█▆▆▁█▆-0.150.240.340.310.540.460.410.280.310.50.350.28-0.260.490.27NANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Revenues ███▇█████▇▇▇▄▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁283288282275286284278281276264262261196149140133126120122120122119129126125124125124117119117121
 us-gaap:Revenues us-gaap:ConsolidatedEntities srt:PartnershipInterest▇█▆▅▇▇▅▆▅▂▁▁283288282275286284278281276264262261NANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses ▁▇▃▆█▇▂▁182193185190194193184182NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingExpenses us-gaap:ConsolidatedEntities srt:PartnershipInterest▃█▄▆██▄▃▂▅▁▂182193185190194193184182180186177180NANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingCostsAndExpenses ▄█▃▄▁▆▁▃4244414240434041NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingCostsAndExpenses us-gaap:ConsolidatedEntities srt:PartnershipInterest▆█▅▆▄▇▄▅▆▄▃▁424441424043404142403836NANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▁▅▄▅█▁▄▄1318161821131716NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities srt:PartnershipInterest▁▅▄▅█▁▄▄▄▅▃▄131816182113171617181516NANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense ▄██▄▄▁▁█3738383737363638NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpense us-gaap:ConsolidatedEntities srt:PartnershipInterest▆██▆▆▄▄█▄▃▁▃373838373736363836353435NANANANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▁▅▇▇██▇▆-137-71-38-46-31-24-33-59NANANANA-200NANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxesPaidNet ▁▁▁▁▁▁█0000004NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxesPaidNet us-gaap:ConsolidatedEntities srt:PartnershipInterest▁▁▁▁▁▁█0000004NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▁▅▆▆█▇▇▅▆█▆▆▁▆-244157529179704853856350-2053NANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ConsolidatedEntities,us-gaap:PartnerCapitalComponents srt:PartnershipInterest,us-gaap:NoncontrollingInterest▂▂▇██▂▂▂▃▁▁664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0694000.0631000.0637000.0NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships▂▁▇██▂▂▁664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▁▁▁█▁▁▁00001000NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▁▆▆▆█▇▇▆-3844554385637353NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▁█▁▁▁▁▁▁01000000NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities srt:PartnershipInterest▁▁▁▁▁▁▁▁█▁▁▁000000001000NANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▁▆▆▆█▇▇▆-3945554485647454NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▁▅▆▆█▇▇▅▆-254056519078694752NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▁▁▁▁█▁▁▁00001000NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities srt:PartnershipInterest▃▃▇██▃▃▃▄▂▃▁664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0694000.0631000.0637000.0576000.0NANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets █▃▄▁11568111321117210947NA10944NANANANANANA11135NANANANANANANANANANANANANANANANANANANA
 us-gaap:Assets us-gaap:ConsolidatedEntities srt:PartnershipInterest█▃▄▁▂▁▂▄1156811132111721094711017109441105711181NA11145NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Liabilities █▃▃▁5293484248334594NA4494NANANANANANA4371NANANANANANANANANANANANANANANANANANANA
 us-gaap:Liabilities us-gaap:ConsolidatedEntities srt:PartnershipInterest█▄▄▂▂▁▁▂52934842483345944614449445044612NA4412NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesAndStockholdersEquity █▃▄▁11568111321117210947NA10944NANANANANANA11135NANANANANANANANANANANANANANANANANANANA
 us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities srt:PartnershipInterest█▃▄▁▂▁▂▄1156811132111721094711017109441105711181NA11145NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:StockholdersEquity ▁▂▅█6199621362626300NA6397NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentNet ▄█▄▄▁▄676656NANANA6NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures █▂▃▁489469472465NA463NANANA386NANANANANANA358NANANA442NANANA386NANANA428NANANA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities srt:PartnershipInterest█▄▅▄▂▃▂▁489469472465456463458451NA386NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Goodwill ▁▇▇▇▇▇▇███174307311313314314318320330331NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▄██228242264262NA387NANANA478NANANANANANA44NANANA42NANANA27NANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:ConsolidatedEntities srt:PartnershipInterest▁▁▂▂▃▆▇█228242264262280387412432NA478NANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt █▇▇▆▆▆▆▆▆▆▆▆▅▁44143919388736783683371537173831384035943522350834071835NANA1854186418921930194118212063202319822050NANA2094NANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType reg:UnsecuredMaturities,us-gaap:UnsecuredDebt█▃▃▁3914342933933206NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType us-gaap:NotesPayableToBanks███▆▆▆▆▇▇▆▆▆▅▁▂▂▁▁▁▁▁▁▁▁▂▂34453435343729943009300630083118327629712943294427491670188918551779176417671785177117561758174819421965NANA2084NANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType us-gaap:UnsecuredDebt███▆▆▆▆▆▇▆▆▆▄▁29452944294425222521247524742474262323252325232520251190NANANANANANANANANANA1212NANA11NANANA
us-gaap:MinorityInterest ▇██▁75767752NA52NANANANANANA33NANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▁▂▅█6199621362626300NA6397NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockValue ▄▄▄▄1111NA1NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:TreasuryStockValue ██▁▁23232222NA19NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁█▆▆-25-11-15-14NA0NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▄█▅▂▄▆125151180157131145163NANANANANA32NANANANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:ConsolidatedEntities srt:PartnershipInterest▁▄█▅▂▄▆▄▄▁▆125151180157131145163151149124168NANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▁▅███-2-16-252-60474146NANANANANA-689NANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities █▂▄▂▁▁▁498-6782-102-180-186-209NANANANANA680NANANANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities srt:PartnershipInterest█▂▄▂▁▁▁▂▃▃▂498-6782-102-180-186-209-114143-152NANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▄█▅▂▄▆125151180157131145163NANANANANA32NANANANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:ConsolidatedEntities srt:PartnershipInterest▁▄█▅▂▄▆▄▄▁▆125151180157131145163151149124168NANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▁▅▆▆█▇▇▅▆-254056519078694752NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▁▅▆▆█▇▇▅▆█▆▆▁▆-244157529179704853856350-2053NANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ConsolidatedEntities,us-gaap:PartnerCapitalComponents srt:PartnershipInterest,us-gaap:NoncontrollingInterest▂▂▇██▂▂▂▃▁▁664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0694000.0631000.0637000.0NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships▂▁▇██▂▂▁664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▁▁▁█▁▁▁00001000NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DepreciationDepletionAndAmortization ▁▃▃▄█▄▁89919193979289NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidatedEntities srt:PartnershipInterest▂▃▃▅█▄▂▂▁▃▃8991919397928989889091NANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▁▅███-2-16-252-60474146NANANANANA-689NANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities █▂▄▂▁▁▁498-6782-102-180-186-209NANANANANA680NANANANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities srt:PartnershipInterest█▂▄▂▁▁▁▂▃▃▂498-6782-102-180-186-209-114143-152NANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▁▁▄█▁000032880NANANANANA18NANANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:ConsolidatedEntities srt:PartnershipInterest▄▄▄▄▅▁▄▄█▄▄000032-1240012400NANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value11111
Percentage of CommonStockValue100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0

Common Stock Par Or Stated Value Per Share

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value169167167167167
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0

us-gaap:PlanName, us-gaap:SubsidiarySaleOfStock

reg:EquityOfferingProgram, reg:ForwardSaleAgreements



Period End2020-03-31
Value1
Percentage of CommonStockSharesIssued1.1

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value167167167167169169
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value168168168168170170171170170
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.5100.2100.2100.2100.2100.20.00.00.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value167167167167169169
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value168167167167169169171170170
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.5100.2100.2100.2100.2100.20.00.00.0

Earnings Per Share Basic

Earnings Per Share Diluted

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-0.150.240.340.310.540.470.410.280.310.50.350.28-0.260.530.050.360.490.180.570.350.27
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-0.150.240.340.310.540.460.410.280.310.50.350.28-0.260.530.050.350.490.180.570.340.27
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Including Assessed Tax

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value283288282275286284278281276264262261196149140133126120122120122119129126125124125124117119117121
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value283288282275286284278281276264262261
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues srt:PartnershipInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Operating Expenses

us-gaap:OperatingExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value182193185190194193184182
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues64.466.965.868.967.968.066.364.7

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value182193185190194193184182180186177180
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues64.466.965.868.967.968.066.364.765.370.367.669.2
Percentage of Revenues srt:PartnershipInterest64.466.965.868.967.968.066.364.765.370.367.669.2

Operating Costs And Expenses

us-gaap:OperatingCostsAndExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4244414240434041
Percentage of OperatingCostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.915.514.815.514.215.114.614.9

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value424441424043404142403836
Percentage of OperatingCostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues14.915.514.815.514.215.114.614.915.415.114.513.8
Percentage of Revenues srt:PartnershipInterest14.915.514.815.514.215.114.614.915.415.114.513.8

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1318161821131716
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.86.35.96.87.44.86.36.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value131816182113171617181516
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues4.86.35.96.87.44.86.36.06.46.85.86.4
Percentage of Revenues srt:PartnershipInterest4.86.35.96.87.44.86.36.06.46.85.86.4

Operating Income Loss

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3738383737363638
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.213.213.613.513.213.013.213.5

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value373838373736363836353435
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues13.213.213.613.513.213.013.213.513.313.413.213.6
Percentage of Revenues srt:PartnershipInterest13.213.213.613.513.213.013.213.513.313.313.213.6

Other Nonoperating Income Expense

Income Loss From Continuing Operations

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

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

Income Loss From Continuing Operations Attributable To Noncontrolling Entity

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-31
Value-137-71-38-46-31-24-33-59-200
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-48.4-24.9-13.6-16.7-10.9-8.7-12.0-21.3-102.2

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-137-71-38-46-31-20-36-61-52-6-33-46
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.082.0109.7101.90.00.00.00.0
Percentage of Revenues-48.4-24.9-13.6-16.7-10.9-7.1-13.1-21.7-19.1-2.6-12.9-18.0
Percentage of Revenues srt:PartnershipInterest-48.4-24.9-13.6-16.7-10.9-7.1-13.1-21.7-19.1-2.6-12.9-18.0

Income Tax Expense Benefit

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0000004
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.20.10.20.00.21.6

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0000004
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.20.10.20.00.21.6
Percentage of Revenues srt:PartnershipInterest0.10.20.10.20.00.21.6

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-244157529179704853856350-206111405323
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.714.220.519.132.028.025.317.319.332.524.319.2-10.60.00.00.035.80.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-244157529179704853856350
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.714.220.519.132.028.025.317.319.332.524.319.2
Percentage of Revenues srt:PartnershipInterest-8.714.220.519.132.028.025.317.319.332.524.319.2

us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents

srt:PartnershipInterest, us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0694000.0631000.0637000.0
Percentage of ProfitLoss-2.71.61.41.60.90.80.91.31.30.71.0
Percentage of Revenues0.20.20.30.30.30.20.20.20.30.20.2
Percentage of Revenues srt:PartnershipInterest us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount

srt:PartnershipInterest, us-gaap:GeneralPartner



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-2540565190786947528562
Percentage of ProfitLoss102.298.098.398.298.999.098.898.598.599.198.8
Percentage of Revenues-8.914.020.218.831.627.725.117.019.032.224.0
Percentage of Revenues srt:PartnershipInterest us-gaap:GeneralPartner0.00.00.00.00.00.00.00.00.00.00.0

srt:PartnershipInterest, us-gaap:LimitedPartner



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-115000.0178000.0157000.0109000.0190000.0167000.0147000.0100000.0111000.0171000.0132000.0
Percentage of ProfitLoss0.50.40.30.20.20.20.20.20.20.20.2
Percentage of Revenues-0.00.10.10.00.10.10.10.00.00.10.1
Percentage of Revenues srt:PartnershipInterest us-gaap:LimitedPartner0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:PartnershipInterest, us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2540575190796947
Percentage of ProfitLoss102.798.498.698.499.199.299.198.7
Percentage of Revenues-9.014.020.218.831.727.825.117.0
Percentage of Revenues srt:PartnershipInterest us-gaap:Parent0.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

reg:NoncontrollingInterestExchangeableOperatingPartnershipUnits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-115000.0178000.0157000.0109000.0190000.0167000.0147000.0100000.0
Percentage of ProfitLoss0.50.40.30.20.20.20.20.2
Percentage of Revenues-0.00.10.10.00.10.10.10.0
Percentage of Revenues reg:NoncontrollingInterestExchangeableOperatingPartnershipUnits0.00.00.00.00.00.00.00.0

reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0
Percentage of ProfitLoss-2.71.61.41.60.90.80.91.3
Percentage of Revenues0.20.20.30.30.30.20.20.2
Percentage of Revenues reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDistributionsInExcessOfNetIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2540565190786947
Percentage of ProfitLoss102.298.098.398.298.999.098.898.5
Percentage of Revenues-8.914.020.218.831.627.725.117.0
Percentage of Revenues us-gaap:AccumulatedDistributionsInExcessOfNetIncome0.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00001000
Percentage of ProfitLoss-2.22.01.71.81.11.01.21.5
Percentage of Revenues0.20.30.30.30.40.30.30.3
Percentage of Revenues us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2540565190786947
Percentage of ProfitLoss102.298.098.398.298.999.098.898.5
Percentage of Revenues-8.914.020.218.831.627.725.117.0
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-3844554385637353
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-13.715.319.615.929.822.526.419.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-394455438564735363936548
Percentage of ComprehensiveIncomeNetOfTax100.5100.4100.3100.2100.2100.2100.2100.20.00.00.00.0
Percentage of Revenues-13.815.319.615.929.922.526.519.023.135.224.918.7
Percentage of Revenues srt:PartnershipInterest-13.815.319.615.929.922.526.519.023.135.224.918.7

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value01000000
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.20.40.20.20.20.10.30.3

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value000000001000
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest68.382.078.578.874.056.983.788.10.00.00.00.0
Percentage of Revenues-0.10.30.20.10.20.10.30.30.40.30.20.3
Percentage of Revenues srt:PartnershipInterest-0.10.30.20.10.20.10.30.30.40.30.20.3

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-3945554485647454
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-13.915.619.816.030.022.626.719.3

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-394555448564745464936549
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues-13.915.619.816.030.022.626.719.323.535.525.118.9
Percentage of Revenues srt:PartnershipInterest-13.915.619.816.030.022.626.719.323.535.525.118.9

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-254056519078694752
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.914.020.218.831.627.725.117.019.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:ConsolidatedEntities, us-gaap:StatementOperatingActivitiesSegment

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

srt:PartnershipInterest, us-gaap:SegmentContinuingOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-254057519079694752855948
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-9.014.020.218.831.727.825.117.019.132.222.818.5
Percentage of Revenues srt:PartnershipInterest us-gaap:SegmentContinuingOperations0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementOperatingActivitiesSegment

us-gaap:SegmentContinuingOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2540565190786947
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic99.599.699.799.899.899.899.899.8
Percentage of Revenues-8.914.020.218.831.627.725.117.0
Percentage of Revenues us-gaap:SegmentContinuingOperations0.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:ConsolidatedEntities, us-gaap:StatementOperatingActivitiesSegment

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

srt:PartnershipInterest, us-gaap:SegmentContinuingOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-254057519079694752855948
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-9.014.020.218.831.727.825.117.019.132.222.818.5
Percentage of Revenues srt:PartnershipInterest us-gaap:SegmentContinuingOperations0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementOperatingActivitiesSegment

us-gaap:SegmentContinuingOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2540565190786947
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted99.599.699.799.899.899.899.899.8
Percentage of Revenues-8.914.020.218.831.627.725.117.0
Percentage of Revenues us-gaap:SegmentContinuingOperations0.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00001000
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.20.30.30.30.40.30.30.3

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0694000.0631000.0637000.0576000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest120.978.884.088.781.979.981.986.60.00.00.00.0
Percentage of Revenues0.20.20.30.30.30.20.20.20.30.20.20.2
Percentage of Revenues srt:PartnershipInterest0.20.20.30.30.30.20.20.20.30.20.20.2

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-03-31
Value115681113211172109471094411135
Percentage of Assets100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value115681113211172109471101710944110571118111145
Percentage of Assets100.0100.0100.0100.00.0100.00.00.00.0
Percentage of Assets100.0100.0100.0100.00.0100.00.00.00.0
Percentage of Assets srt:PartnershipInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CashAndCashEquivalents



Period End2020-03-312019-12-31
Value457
Percentage of Assets0.00.5
Percentage of Assets0.00.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:CashAndCashEquivalents100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:RealEstate



Period End2020-03-312019-12-31
Value136325
Percentage of Assets1.22.9
Percentage of Assets1.22.9
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:RealEstate100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-03-31
Value529348424833459444944371
Percentage of Liabilities100.0100.0100.0100.0100.0100.0
Percentage of Assets45.843.543.342.041.139.3

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value529348424833459446144494450446124412
Percentage of Liabilities100.0100.0100.0100.00.0100.00.00.00.0
Percentage of Assets45.843.543.342.00.041.10.00.00.0
Percentage of Assets srt:PartnershipInterest45.843.543.342.041.941.140.741.339.6

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value1517
Percentage of Liabilities0.30.4
Percentage of Assets0.10.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-03-31
Value115681113211172109471094411135
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value115681113211172109471101710944110571118111145
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.00.0100.00.00.00.0
Percentage of Assets100.0100.0100.0100.00.0100.00.00.00.0
Percentage of Assets srt:PartnershipInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value61996213626263006397
Percentage of StockholdersEquity100.0100.0100.0100.0100.0
Percentage of Assets53.655.856.157.658.5

Cash And Cash Equivalents At Carrying Value

Land

Noncurrent Assets

Property Plant And Equipment Gross

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value67665664
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.00.10.00.0

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value489469472465463386296306333358442386428
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.24.24.24.34.20.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value489469472465456463458451386
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.00.0100.00.00.0100.0
Percentage of Assets4.24.24.24.30.04.20.00.00.0
Percentage of Assets srt:PartnershipInterest4.24.24.24.34.14.24.14.03.5

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1743073113133143143183203303310
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.52.82.82.90.02.90.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value22824226426238747811810552444227
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.22.42.43.50.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value228242264262280387412432478
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.00.0100.00.00.0100.0
Percentage of Assets2.02.22.42.40.03.50.00.00.0
Percentage of Assets srt:PartnershipInterest2.02.22.42.42.53.53.73.94.3

Deferred Tax Assets Liabilities Net

Long Term Debt

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value441439193887367836833715371738313840359435223508340716421627198418351872202118541864189219301941182120632023198220502094
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.235.234.833.60.033.90.00.00.00.00.00.030.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

reg:MortgageLoanMaturities, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value430418419395
Percentage of LongTermDebt9.810.710.810.7
Percentage of Assets3.73.83.83.6
Percentage of Assets reg:MortgageLoanMaturities us-gaap:Mortgages0.00.00.00.0

reg:ScheduledPrincipalPayments, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value69717476
Percentage of LongTermDebt1.61.81.92.1
Percentage of Assets0.60.60.70.7
Percentage of Assets reg:ScheduledPrincipalPayments us-gaap:Mortgages0.00.00.00.0

reg:UnsecuredMaturities, us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-30
Value3914342933933206
Percentage of LongTermDebt88.787.587.387.2
Percentage of Assets33.830.830.429.3
Percentage of Assets reg:UnsecuredMaturities us-gaap:UnsecuredDebt0.00.00.00.0

us-gaap:LongtermDebtType

reg:FixedRateMortgageLoans



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value351342344344360403406516526520496500607384477479438460518521511520444454457475461446448438439442402
Percentage of LongTermDebt8.08.78.99.49.810.910.913.513.714.514.114.317.823.425.50.00.00.025.70.00.00.024.024.424.224.623.824.521.721.722.221.619.2
Percentage of Assets3.03.13.13.20.03.70.00.00.00.00.00.05.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets reg:FixedRateMortgageLoans0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NotesPayableToBanks



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value344534353437299430093006300831183276297129432944274913631364167416701707180818681889194619481946185517791764176717851771175617581748194219652084
Percentage of LongTermDebt78.087.688.481.481.780.980.981.485.382.783.684.080.783.083.884.491.091.20.00.00.096.30.00.00.096.094.693.492.591.296.485.286.498.095.999.5
Percentage of Assets29.830.930.827.40.027.50.00.00.00.00.00.024.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NotesPayableToBanks0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312011-12-312011-09-302010-12-31
Value2945294429442522252124752474247426232325232523252025892891119111901190121211
Percentage of LongTermDebt66.775.175.768.668.566.666.664.668.364.766.066.359.554.354.860.064.963.60.60.60.5
Percentage of Assets25.526.526.423.00.022.60.00.00.00.00.00.018.20.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:UnsecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongtermDebtType, us-gaap:VariableRate

reg:VariableRateMortgageLoans, us-gaap:LondonInterbankOfferedRateLIBOR



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value14814814912712712712712712712512211911686
Percentage of LongTermDebt3.43.83.83.53.43.43.43.33.33.53.53.43.45.3
Percentage of Assets1.31.31.31.20.01.20.00.00.00.00.00.01.00.0
Percentage of Assets reg:VariableRateMortgageLoans us-gaap:LondonInterbankOfferedRateLIBOR0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-03-31
Value757677525233
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.50.50.3

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value61996213626263006397
Percentage of StockholdersEquity100.0100.0100.0100.0100.0
Percentage of Assets53.655.856.157.658.5

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value11111
Percentage of CommonStockValue100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2323222219
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.2

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value-25-11-15-140
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0
Percentage of Assets-0.2-0.1-0.1-0.1-0.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-25-11-15-14-601410-6
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.00.0100.00.00.00.0
Percentage of Assets-0.2-0.1-0.1-0.10.0-0.00.00.00.0
Percentage of Assets srt:PartnershipInterest-0.2-0.1-0.1-0.1-0.1-0.00.10.1-0.1

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value12515118015713114516332
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues44.352.663.857.345.951.258.916.7

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value125151180157131145163151149124168
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues44.352.663.857.345.951.258.953.754.247.064.2
Percentage of Revenues srt:PartnershipInterest44.352.663.857.345.951.258.953.754.247.064.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value-2-16-252-60474146-689
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.9-5.7-89.6-21.916.414.516.8-351.8

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-2-16-252-60474146-86-107-149-89
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues-0.9-5.7-89.6-21.916.414.516.8-30.8-38.7-56.5-34.2
Percentage of Revenues srt:PartnershipInterest-0.9-5.7-89.6-21.916.414.516.8-30.8-38.7-56.5-34.2

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value498-6782-102-180-186-209680
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues175.6-23.429.4-37.3-63.1-65.4-75.2347.1

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value498-6782-102-180-186-209-114143-152
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues175.6-23.429.4-37.3-63.1-65.4-75.2-40.80.616.6-58.3
Percentage of Revenues srt:PartnershipInterest175.6-23.429.4-37.3-63.1-65.4-75.2-40.80.616.6-58.3

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value12515118015713114516332
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues44.352.663.857.345.951.258.916.7

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value125151180157131145163151149124168
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues44.352.663.857.345.951.258.953.754.247.064.2
Percentage of Revenues srt:PartnershipInterest44.352.663.857.345.951.258.953.754.247.064.2

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-254056519078694752
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.914.020.218.831.627.725.117.019.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-244157529179704853856350-206111405323
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.714.220.519.132.028.025.317.319.332.524.319.2-10.60.00.00.035.80.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-244157529179704853856350
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.714.220.519.132.028.025.317.319.332.524.319.2
Percentage of Revenues srt:PartnershipInterest-8.714.220.519.132.028.025.317.319.332.524.319.2

us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents

srt:PartnershipInterest, us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0694000.0631000.0637000.0
Percentage of ProfitLoss-2.71.61.41.60.90.80.91.31.30.71.0
Percentage of Revenues0.20.20.30.30.30.20.20.20.30.20.2
Percentage of Revenues srt:PartnershipInterest us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount

srt:PartnershipInterest, us-gaap:GeneralPartner



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-2540565190786947528562
Percentage of ProfitLoss102.298.098.398.298.999.098.898.598.599.198.8
Percentage of Revenues-8.914.020.218.831.627.725.117.019.032.224.0
Percentage of Revenues srt:PartnershipInterest us-gaap:GeneralPartner0.00.00.00.00.00.00.00.00.00.00.0

srt:PartnershipInterest, us-gaap:LimitedPartner



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-115000.0178000.0157000.0109000.0190000.0167000.0147000.0100000.0111000.0171000.0132000.0
Percentage of ProfitLoss0.50.40.30.20.20.20.20.20.20.20.2
Percentage of Revenues-0.00.10.10.00.10.10.10.00.00.10.1
Percentage of Revenues srt:PartnershipInterest us-gaap:LimitedPartner0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:PartnershipInterest, us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2540575190796947
Percentage of ProfitLoss102.798.498.698.499.199.299.198.7
Percentage of Revenues-9.014.020.218.831.727.825.117.0
Percentage of Revenues srt:PartnershipInterest us-gaap:Parent0.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

reg:NoncontrollingInterestExchangeableOperatingPartnershipUnits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-115000.0178000.0157000.0109000.0190000.0167000.0147000.0100000.0
Percentage of ProfitLoss0.50.40.30.20.20.20.20.2
Percentage of Revenues-0.00.10.10.00.10.10.10.0
Percentage of Revenues reg:NoncontrollingInterestExchangeableOperatingPartnershipUnits0.00.00.00.00.00.00.00.0

reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0
Percentage of ProfitLoss-2.71.61.41.60.90.80.91.3
Percentage of Revenues0.20.20.30.30.30.20.20.2
Percentage of Revenues reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDistributionsInExcessOfNetIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2540565190786947
Percentage of ProfitLoss102.298.098.398.298.999.098.898.5
Percentage of Revenues-8.914.020.218.831.627.725.117.0
Percentage of Revenues us-gaap:AccumulatedDistributionsInExcessOfNetIncome0.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00001000
Percentage of ProfitLoss-2.22.01.71.81.11.01.21.5
Percentage of Revenues0.20.30.30.30.40.30.30.3
Percentage of Revenues us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2540565190786947
Percentage of ProfitLoss102.298.098.398.298.999.098.898.5
Percentage of Revenues-8.914.020.218.831.627.725.117.0
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value89919193979289
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8991919397928989889091
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value-2-16-252-60474146-689
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.9-5.7-89.6-21.916.414.516.8-351.8

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-2-16-252-60474146-86-107-149-89
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues-0.9-5.7-89.6-21.916.414.516.8-30.8-38.7-56.5-34.2
Percentage of Revenues srt:PartnershipInterest-0.9-5.7-89.6-21.916.414.516.8-30.8-38.7-56.5-34.2

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value498-6782-102-180-186-209680
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues175.6-23.429.4-37.3-63.1-65.4-75.2347.1

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value498-6782-102-180-186-209-114143-152
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues175.6-23.429.4-37.3-63.1-65.4-75.2-40.80.616.6-58.3
Percentage of Revenues srt:PartnershipInterest175.6-23.429.4-37.3-63.1-65.4-75.2-40.80.616.6-58.3

Repayments Of Long Term Debt

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value00003288018
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.0100.00.0100.0100.00.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value000032-1240012400
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.0100.00.0100.0-140.70.00.00.00.00.0

Repayments Of Long Term Debt

Debt Instrument Interest Rate Stated Percentage

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

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

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302011-09-302010-09-30
Value333333322223332221
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value33333333333
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Deferred Tax Assets Valuation Allowance

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-01-012018-12-31
Value2902922942952970
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.00.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2902922942952960
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.00.00.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value7361154737424544434917
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value7361154737424544439349301041740
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.0

us-gaap:LeaseArrangementType

reg:AmortizationOfAboveAndBelowMarketAndTenantLeases

reg:Lessor



Period End2020-03-312019-03-31
Value1213
Percentage of AmortizationOfAboveAndBelowMarketAndTenantLeases100.0100.0

reg:AmountOfLeaseRevenueDeterminedToBeUncollectibleAndChargedToLeaseIncome



Period End2020-03-312019-03-31
Value40
Percentage of AmountOfLeaseRevenueDeterminedToBeUncollectibleAndChargedToLeaseIncome100.0100.0

reg:AmountOfLeaseRevenueDeterminedToBeUncollectibleStraightLineRent



Period End2020-03-312019-03-31
Value30
Percentage of AmountOfLeaseRevenueDeterminedToBeUncollectibleStraightLineRent100.0100.0

us-gaap:ConsolidatedEntities

reg:CommonUnitsIssuedOfCommonStockIssuedByParentNetOfIssuanceCosts

srt:PartnershipInterest



Period End2020-03-31
Value125
Percentage of CommonUnitsIssuedOfCommonStockIssuedByParentNetOfIssuanceCosts100.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents

srt:PartnershipInterest, us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-31
Value0.0
Percentage of CommonUnitsIssuedOfCommonStockIssuedByParentNetOfIssuanceCosts0.0

srt:PartnershipInterest, us-gaap:NoncontrollingInterest



Period End2020-03-31
Value0.0
Percentage of CommonUnitsIssuedOfCommonStockIssuedByParentNetOfIssuanceCosts0.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount

srt:PartnershipInterest, us-gaap:GeneralPartner



Period End2020-03-31
Value125
Percentage of CommonUnitsIssuedOfCommonStockIssuedByParentNetOfIssuanceCosts100.0

srt:PartnershipInterest, us-gaap:LimitedPartner



Period End2020-03-31
Value0.0
Percentage of CommonUnitsIssuedOfCommonStockIssuedByParentNetOfIssuanceCosts0.0

us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:PartnershipInterest, us-gaap:Parent



Period End2020-03-31
Value125
Percentage of CommonUnitsIssuedOfCommonStockIssuedByParentNetOfIssuanceCosts100.0

us-gaap:ConsolidatedEntities

reg:CommonUnitsRedeemedOfCommonStockByParentNetOfIssuance

srt:PartnershipInterest



Period End2020-03-312019-09-302019-06-30
Value400
Percentage of CommonUnitsRedeemedOfCommonStockByParentNetOfIssuance100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount

srt:PartnershipInterest, us-gaap:GeneralPartner



Period End2020-03-312019-09-302019-06-30
Value400
Percentage of CommonUnitsRedeemedOfCommonStockByParentNetOfIssuance100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:PartnershipInterest, us-gaap:Parent



Period End2020-03-312019-09-302019-06-30
Value400
Percentage of CommonUnitsRedeemedOfCommonStockByParentNetOfIssuance100.0100.0100.0

us-gaap:ReportingUnit

reg:GoodwillAccumulatedImpairmentLossesAllocatedToGainOnSaleOfRealEstate

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations



Period End2020-03-312019-12-312019-09-30
Value0.00.0-409000.0
Percentage of GoodwillAccumulatedImpairmentLossesAllocatedToGainOnSaleOfRealEstate0.00.0100.0

reg:GoodwillAccumulatedImpairmentLossesAllocatedToPropertiesHeldForSale



Period End2020-03-312019-12-312019-09-30
Value963000.00.00.0
Percentage of GoodwillAccumulatedImpairmentLossesAllocatedToPropertiesHeldForSale100.00.00.0

reg:GoodwillAccumulatedImpairmentLossesAllocatedToProvisionForImpairment



Period End2020-03-312019-12-312019-09-30
Value13210
Percentage of GoodwillAccumulatedImpairmentLossesAllocatedToProvisionForImpairment100.0100.00.0

us-gaap:ReportingUnit

reg:GoodwillGrossAllocatedToGainOnSaleOfRealEstate

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations



Period End2020-03-312019-12-312019-09-30
Value010
Percentage of GoodwillGrossAllocatedToGainOnSaleOfRealEstate100.0100.0100.0

reg:GoodwillGrossAllocatedToPropertiesHeldForSale



Period End2020-03-312019-12-312019-09-30
Value0-1-1
Percentage of GoodwillGrossAllocatedToPropertiesHeldForSale100.0100.0100.0

reg:GoodwillNetAllocatedToProvisionForImpairment



Period End2020-03-31
Value132
Percentage of GoodwillNetAllocatedToProvisionForImpairment100.0

us-gaap:ReportingUnit

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations



Period End2020-03-31
Value0.0
Percentage of GoodwillNetAllocatedToProvisionForImpairment0.0

reg:IssuanceOfExchangeableOperatingPartnershipValue



Period End2020-03-312019-12-312019-09-30
Value1025
Percentage of IssuanceOfExchangeableOperatingPartnershipValue100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-30
Value1025
Percentage of IssuanceOfExchangeableOperatingPartnershipValue100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount

srt:PartnershipInterest, us-gaap:LimitedPartner



Period End2020-03-312019-12-312019-09-30
Value1025
Percentage of IssuanceOfExchangeableOperatingPartnershipValue100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:PartnershipInterest, us-gaap:Parent



Period End2020-03-312019-12-312019-09-30
Value1025
Percentage of IssuanceOfExchangeableOperatingPartnershipValue100.0100.0100.0

us-gaap:StatementEquityComponents

reg:NoncontrollingInterestExchangeableOperatingPartnershipUnits



Period End2020-03-312019-12-312019-09-30
Value1025
Percentage of IssuanceOfExchangeableOperatingPartnershipValue100.0100.0100.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-30
Value1025
Percentage of IssuanceOfExchangeableOperatingPartnershipValue100.0100.0100.0

reg:NetProceedsFromSaleOfRealEstateHeldForInvestment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value10339140829910838
Percentage of NetProceedsFromSaleOfRealEstateHeldForInvestment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentByType

reg:NumberOfRealEstatePropertiesSold

srt:RetailSite



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.02.01.00.04.03.03.03.0
Percentage of NumberOfRealEstatePropertiesSold100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:Land



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.01.02.01.02.03.03.03.0
Percentage of NumberOfRealEstatePropertiesSold50.050.0200.00.050.0100.0100.0100.0

reg:PaymentsForProceedsFromDividendsOnTradingSecuritiesHeldInTrust



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-84000.0-260000.0-136000.0-148000.0-116000.0-250000.0-105000.0
Percentage of PaymentsForProceedsFromDividendsOnTradingSecuritiesHeldInTrust100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-84000.0-260000.0-136000.0-148000.0-116000.0-250000.0-105000.0
Percentage of PaymentsForProceedsFromDividendsOnTradingSecuritiesHeldInTrust100.0100.0100.0100.0100.0100.0100.0

reg:PaymentsforProceedsfromSettlementofDerivativeInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0010500
Percentage of PaymentsforProceedsfromSettlementofDerivativeInstrument0.00.0100.00.0100.00.00.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0010500
Percentage of PaymentsforProceedsfromSettlementofDerivativeInstrument0.00.0100.00.0100.00.00.0

reg:StockBasedCompensationCapitalized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value554000.0606000.0614000.0532000.0573000.0903000.0829000.0
Percentage of StockBasedCompensationCapitalized100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value554000.0606000.0614000.0532000.0573000.0903000.0829000.0940000.0837000.0751000.0835000.0
Percentage of StockBasedCompensationCapitalized100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

reg:StockDeferredIntoTrust



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0001100
Percentage of StockDeferredIntoTrust100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value00011000000
Percentage of StockDeferredIntoTrust100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

reg:StockDistributedOutOfTrust



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value390000.00.030000.00.0167000.00.00.0
Percentage of StockDistributedOutOfTrust100.00.0100.00.0100.00.00.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value390000.00.030000.00.0167000.00.00.0207000.0317000.00.037000.0
Percentage of StockDistributedOutOfTrust100.00.0100.00.0100.00.00.00.00.00.00.0

us-gaap:AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-500-600
Percentage of AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-500-600
Percentage of AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet100.0100.0100.0100.0100.0100.0

us-gaap:Parent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-500-600
Percentage of AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.00.00.00.01000.0-10000.0-1000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition0.00.00.00.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00011000
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition0.00.00.00.00.028500.0-2720.0-51100.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value000-1-1000
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition0.00.00.00.00.0-28400.02820.051200.0

us-gaap:AmortizationOfAboveAndBelowMarketLeases



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-12-13-10-3213-7-6
Percentage of AmortizationOfAboveAndBelowMarketLeases100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-12-13-10-6-13-7-6-11-8-4-7
Percentage of AmortizationOfAboveAndBelowMarketLeases100.0100.0100.019.4-97.3100.0100.00.00.00.00.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2222222
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value22222222222
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value47-5-110
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value47-5-110
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value6216810-5-201
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6216810-5-201-504418-74
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value7-106-1111-41600-102000-91800-91705-14
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateSwap



Period End2020-03-312019-12-312019-09-30
Value2-10
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths37.8114.3-300.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value0.5950.5850.5850.5850.5850.55500000000000020.5550.5550.5551.060.00.530.510.50.50.50.50.48499999999999990.48500000000000010.4850.4850.470.470.470.470.46250.4625
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-5-6-155252-396484291
Percentage of DebtAndEquitySecuritiesUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value577000.0151000.0249000.086000.0174000.0-211000.094000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value577000.0249000.086000.0174000.094000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedGainLoss100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-41002-20
Percentage of DeferredCompensationArrangementWithIndividualCompensationExpense100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-41002-200000
Percentage of DeferredCompensationArrangementWithIndividualCompensationExpense100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:DepreciationAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value8991919397928989
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value899191939792898988909192
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value111004-1-12-3-2-3-2-43-2-2-2-2-2-2-2-2-2-2-222-222-2
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value10098989898949494
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

reg:NoncontrollingInterestExchangeableOperatingPartnershipUnits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value455000.0437000.0205000.0205000.0204000.0195000.0194000.0194000.0
Percentage of DividendsCommonStockCash0.50.40.20.20.20.20.20.2

us-gaap:AccumulatedDistributionsInExcessOfNetIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9998989797949494
Percentage of DividendsCommonStockCash99.599.699.899.899.899.899.899.8

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value455000.0437000.0205000.0205000.0204000.0195000.0194000.0194000.0
Percentage of DividendsCommonStockCash0.50.40.20.20.20.20.20.2

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9998989797949494
Percentage of DividendsCommonStockCash99.599.699.899.899.899.899.899.8

us-gaap:EquityMethodInvestmentDividendsOrDistributions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value16141511141313
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1614151114131313131214
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:GainLossOnSaleOfProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value38600162332750252710301613
Percentage of GainLossOnSaleOfProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value386001623310220
Percentage of GainLossOnSaleOfProperties100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3860016233102204024901212750
Percentage of GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3860016233102204
Percentage of GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainsLossesOnExtinguishmentOfDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00-10-1000-11
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.0100.00.0100.00.00.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value00-10-1000-11000-12
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.0100.00.0100.00.00.0100.00.00.00.00.0

us-gaap:GoodwillImpairmentLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13210003071
Percentage of GoodwillImpairmentLoss100.0100.00.0100.00.0100.00.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-03-31
Value1320
Percentage of GoodwillImpairmentLoss100.00.0

us-gaap:UnusualOrInfrequentItem, reg:GoodwillComponents

us-gaap:NaturalDisastersAndOtherCasualtyEvents, reg:AccumulatedImpairmentLosses



Period End2020-03-31
Value132
Percentage of GoodwillImpairmentLoss100.1

us-gaap:GoodwillOtherIncreaseDecrease



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0-1-1003-200
Percentage of GoodwillOtherIncreaseDecrease0.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:ReportingUnit

us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value01000
Percentage of GoodwillWrittenOffRelatedToSaleOfBusinessUnit100.0100.00.00.00.0

us-gaap:ImpairmentOfRealEstate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312012-06-30
Value042010110200000000000005
Percentage of ImpairmentOfRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.00.00.0100.00.00.00.00.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0420101801216000
Percentage of ImpairmentOfRealEstate100.0100.0100.0100.0100.0562.8100.0421.4-4292.50.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-31
Value-3623583960666039-4
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-362358396070573843715133
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0106.794.797.20.00.00.00.0

us-gaap:ConsolidatedEntities

us-gaap:IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.150.240.340.310.540.459999999999999960.410.280.310.520.350.28
Percentage of IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.150.240.340.310.540.470.410.280.310.520.350.28
Percentage of IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-31
Value11170133013109-28
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value111701330131091091212
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-18562-9139
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-18562-91398-4
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:IncreaseDecreaseInAccountsPayable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-27-10185-8-1521
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-27-10185-8-15217-13-728
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncreaseDecreaseInDeferredLeasingFees



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1202222
Percentage of IncreaseDecreaseInDeferredLeasingFees100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value12022222143
Percentage of IncreaseDecreaseInDeferredLeasingFees100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value12-50-311-50
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value12-50-311-5050-1-4
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncreaseDecreaseInSecurityDeposits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1057-1-1013-4
Percentage of IncreaseDecreaseInSecurityDeposits100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1057-1-1013-4020-3
Percentage of IncreaseDecreaseInSecurityDeposits100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:InterestPaidCapitalized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1110111
Percentage of InterestPaidCapitalized100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value11102113122
Percentage of InterestPaidCapitalized100.0100.0100.0-18.7214.7100.0100.00.00.00.00.0

us-gaap:InterestPaidNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value47244325423237
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value47244325423237
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value274278272266277275268272
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value274278272266277275268272267
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-41002-200
Percentage of MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-41002-2000100
Percentage of MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ConsolidatedEntities

us-gaap:NetIncomeLossAllocatedToGeneralPartners

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-254057519079694752855948
Percentage of NetIncomeLossAllocatedToGeneralPartners100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetRealizedOrUnrealizedGainLossOnTradingSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-41002-20
Percentage of NetRealizedOrUnrealizedGainLossOnTradingSecurities100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-41002-200000
Percentage of NetRealizedOrUnrealizedGainLossOnTradingSecurities100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:NoncashOrPartNoncashAcquisitionDebtAssumed1



Period End2020-03-312019-12-312018-12-312018-09-30
Value16000
Percentage of NoncashOrPartNoncashAcquisitionDebtAssumed1100.00.00.00.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value16000009270
Percentage of NoncashOrPartNoncashAcquisitionDebtAssumed1100.00.00.00.00.00.00.00.00.0

us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1



Period End2020-03-31
Value5
Percentage of NoncashOrPartNoncashAcquisitionInvestmentsAcquired1100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-31
Value5
Percentage of NoncashOrPartNoncashAcquisitionInvestmentsAcquired1100.0

us-gaap:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0
Percentage of NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value664000.0662000.0822000.0853000.0857000.0665000.0665000.0648000.0694000.0631000.0637000.0576000.0
Percentage of NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-115000.0178000.0157000.0109000.0190000.0167000.0147000.0100000.0
Percentage of NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome



Period End2020-03-312019-09-302019-06-302019-03-31
Value204203197202
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0

us-gaap:OperatingLeaseVariableLeaseIncome



Period End2020-03-312019-09-302019-06-302019-03-31
Value64596262
Percentage of OperatingLeaseVariableLeaseIncome100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value15000.0-114000.0169000.0123000.0137000.0-44000.024000.044000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value15000.0-114000.0169000.0123000.0137000.0-44000.024000.044000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax



Period End2020-03-312019-03-31
Value-16-5
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0

us-gaap:StatementEquityComponents

reg:NoncontrollingInterestExchangeableOperatingPartnershipUnits



Period End2020-03-312019-03-31
Value-67000.0-10000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.40.2

reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships



Period End2020-03-312019-03-31
Value-10
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax6.66.1

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-142-3-8-5-1524840-30141-9-161-1518-13-180-10-13
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax93.00.00.00.093.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-03-31
Value-10
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax7.06.3

us-gaap:Parent



Period End2020-03-312019-03-31
Value-14-5
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax93.093.7

us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

srt:PartnershipInterest



Period End2020-03-312019-03-31
Value-16-5
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents

srt:PartnershipInterest, us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-03-31
Value-14-5
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax93.093.7

srt:PartnershipInterest, us-gaap:NoncontrollingInterest



Period End2020-03-312019-03-31
Value-10
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax6.66.1

us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount

srt:PartnershipInterest, us-gaap:LimitedPartner



Period End2020-03-312019-03-31
Value-67000.0-10000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.40.2

us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:PartnershipInterest, us-gaap:Parent



Period End2020-03-312019-03-31
Value-15-5
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax93.493.9

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-162-3-9-5-1624
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-162-3-9-5-1624
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-144-2-8-5-15351182021844-7-143
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-144-2-8-5-153511820
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-10000000
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-100000000000
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest94.593.197.296.896.993.894.393.80.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-1-1-1000-1-1
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-1-1-1000-1-1-2-3-2-3
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-162-3-9-5-1624930-3
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherGeneralExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value13111322
Percentage of OtherGeneralExpense100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value13111322
Percentage of OtherGeneralExpense100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value22221122
Percentage of OtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value222211222
Percentage of OtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PartnersCapitalAccountContributions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value000100013000080
Percentage of PartnersCapitalAccountContributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-30
Value0001000
Percentage of PartnersCapitalAccountContributions100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents

srt:PartnershipInterest, us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-30
Value0001000
Percentage of PartnersCapitalAccountContributions100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value00010
Percentage of PartnersCapitalAccountContributions100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value00010
Percentage of PartnersCapitalAccountContributions100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountDistributions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value1111111196-233919554554950
Percentage of PartnersCapitalAccountDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value10199999999959595969191
Percentage of PartnersCapitalAccountDistributions8711.97697.17332.97659.76374.58915.27365.28358.1100.0-39.2100.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents

srt:PartnershipInterest, us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value11111111111
Percentage of PartnersCapitalAccountDistributions100.0100.0100.0100.0100.0100.0100.0100.01.1-0.51.2

us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount

srt:PartnershipInterest, us-gaap:GeneralPartner



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9998989797949494959090
Percentage of PartnersCapitalAccountDistributions8572.97563.47217.87543.96261.58796.97250.28241.198.7-38.798.6

srt:PartnershipInterest, us-gaap:LimitedPartner



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value455000.0437000.0205000.0205000.0204000.0195000.0194000.0194000.0194000.0185000.0186000.0
Percentage of PartnersCapitalAccountDistributions39.133.715.115.813.018.215.017.00.2-0.10.2

us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:PartnershipInterest, us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value10098989898949494
Percentage of PartnersCapitalAccountDistributions8611.97597.17232.97559.76274.58815.27265.28258.1

us-gaap:StatementEquityComponents

reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value11111111
Percentage of PartnersCapitalAccountDistributions100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value11111111
Percentage of PartnersCapitalAccountDistributions100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromDepositsOnRealEstateAcquisitions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value00-10910-1
Percentage of PaymentsForProceedsFromDepositsOnRealEstateAcquisitions100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value00-10910-12040
Percentage of PaymentsForProceedsFromDepositsOnRealEstateAcquisitions100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PaymentsForProceedsFromLoansReceivable



Period End2020-03-312019-03-312017-03-31
Value167000.00.0510000.0
Percentage of PaymentsForProceedsFromLoansReceivable100.00.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0000000-16010
Percentage of PaymentsForProceedsFromLoansReceivable100.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PaymentsOfDebtExtinguishmentCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value00001000
Percentage of PaymentsOfDebtExtinguishmentCosts0.00.00.00.0100.00.00.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0000100010000
Percentage of PaymentsOfDebtExtinguishmentCosts0.00.00.00.0100.00.00.00.00.00.00.0

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value9997979797939353
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9998979797939393959090
Percentage of PaymentsOfDividendsCommonStock100.5100.4100.2100.2100.2100.2100.20.00.00.00.0

us-gaap:PaymentsOfDividendsMinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value455000.0437000.0205000.0205000.0204000.0195000.0193000.079000.0
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfLoanCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value00303008
Percentage of PaymentsOfLoanCosts0.00.0100.0100.0100.00.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value00303000901
Percentage of PaymentsOfLoanCosts0.00.0100.0100.0100.00.0100.00.00.00.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5000600
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.00.0100.00.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value50006000600
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.00.0100.00.0100.00.00.00.00.0

us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

reg:CountryWalkPlaza



Period End2020-03-31
Value39
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:PaymentsToAcquireMarketableSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value45665653
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value45665654794
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PaymentsToAcquirePartnersInterestInRealEstatePartnershipNetOfCashAcquired



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value32924131915121
Percentage of PaymentsToAcquirePartnersInterestInRealEstatePartnershipNetOfCashAcquired100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3292413191512639119
Percentage of PaymentsToAcquirePartnersInterestInRealEstatePartnershipNetOfCashAcquired100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PaymentsToAcquireRealEstate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value16020231500648
Percentage of PaymentsToAcquireRealEstate100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1602023150065201221
Percentage of PaymentsToAcquireRealEstate100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:PaymentsToDevelopRealEstateAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value5671484039525366
Percentage of PaymentsToDevelopRealEstateAssets100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value56714840395253685110680
Percentage of PaymentsToDevelopRealEstateAssets100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value01605419325
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital0.0100.00.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0160541930205
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital0.0100.00.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromIssuanceOfCommonStock



Period End2020-03-312019-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-09-302013-06-302013-03-31
Value12501211001534914751
Percentage of ProceedsFromIssuanceOfCommonStock100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-03-31
Value1250
Percentage of ProceedsFromIssuanceOfCommonStock100.00.0

us-gaap:PlanName, us-gaap:SubsidiarySaleOfStock

reg:EquityOfferingProgram, reg:ForwardSaleAgreements



Period End2020-03-31
Value125
Percentage of ProceedsFromIssuanceOfCommonStock100.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value00424029800646
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.00.0100.00.0100.00.00.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value00424029800029900
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.00.0100.00.0100.00.00.00.00.00.00.0

us-gaap:ProceedsFromLinesOfCredit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value6101102657511012055740
Percentage of ProceedsFromLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value610110265751101205521518515045
Percentage of ProceedsFromLinesOfCredit100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromPaymentsToMinorityShareholders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value-1-1-10-1-1-10
Percentage of ProceedsFromPaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1-1-10-1-1-1-1-1-1-1
Percentage of ProceedsFromPaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value44364543
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value44364544691
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value103391408299109383940131514743415672234
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value103391408299108393960
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment100.0100.0100.0100.0100.0100.099.5101.3100.0102.231.7

us-gaap:ProceedsFromSaleOfTreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value49000.00.00.01000.08000.00.00.076000.0
Percentage of ProceedsFromSaleOfTreasuryStock100.00.00.0100.0100.00.00.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value49000.00.00.01000.08000.00.00.00.099000.00.024000.0
Percentage of ProceedsFromSaleOfTreasuryStock100.00.00.0100.0100.00.00.00.00.00.00.0

us-gaap:PropertyManagementFeeRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value67776766
Percentage of PropertyManagementFeeRevenue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value677767667666
Percentage of PropertyManagementFeeRevenue100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncomeStatementLocation

reg:Assetmanagementservices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value11111111
Percentage of PropertyManagementFeeRevenue27.022.824.523.625.524.926.526.2

reg:Leasingservices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00100101
Percentage of PropertyManagementFeeRevenue10.412.616.99.510.917.613.915.6

reg:Othertransactionfees



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value01010000
Percentage of PropertyManagementFeeRevenue5.718.09.017.69.78.88.05.2

reg:Propertymanagementservices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value33333333
Percentage of PropertyManagementFeeRevenue56.946.649.649.254.048.851.653.0

us-gaap:RealEstateTaxExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3534333334403531
Percentage of RealEstateTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value353433333440353130302928
Percentage of RealEstateTaxExpense100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax



Period End2020-03-312019-03-31
Value10
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-03-31
Value10
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents

srt:PartnershipInterest, us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-03-31
Value10
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax98.586.4

srt:PartnershipInterest, us-gaap:NoncontrollingInterest



Period End2020-03-312019-03-31
Value15000.0-23000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax1.113.1

us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount

srt:PartnershipInterest, us-gaap:LimitedPartner



Period End2020-03-312019-03-31
Value6000.0-1000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.40.6

us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:PartnershipInterest, us-gaap:Parent



Period End2020-03-312019-03-31
Value10
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax98.986.9

us-gaap:StatementEquityComponents

reg:NoncontrollingInterestExchangeableOperatingPartnershipUnits



Period End2020-03-312019-03-31
Value6000.0-1000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.40.6

reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships



Period End2020-03-312019-03-31
Value15000.0-23000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax1.113.1

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value15-10001123232343222222-5222
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax98.50.00.00.086.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-03-31
Value21000.0-24000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax1.513.6

us-gaap:Parent



Period End2020-03-312019-03-31
Value10
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax98.586.4

us-gaap:RepaymentsOfLinesOfCredit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-31
Value12575500651454300060360
Percentage of RepaymentsOfLinesOfCredit100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1257550065145120606524510530
Percentage of RepaymentsOfLinesOfCredit100.0100.0100.0100.0100.027.90.00.0408.30.00.0

us-gaap:RepaymentsOfNotesPayable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value3011340010611
Percentage of RepaymentsOfNotesPayable100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value301134001066000
Percentage of RepaymentsOfNotesPayable100.0100.0100.0100.0100.00.0100.00.00.00.00.0

us-gaap:RepaymentsOfSecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-31
Value22222221
Percentage of RepaymentsOfSecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value22222222222
Percentage of RepaymentsOfSecuredDebt100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:RepaymentsOfUnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value000025000
Percentage of RepaymentsOfUnsecuredDebt0.00.00.00.0100.00.00.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value000025000150000
Percentage of RepaymentsOfUnsecuredDebt0.00.00.00.0100.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value379000.0344000.0345000.0357000.0383000.0337000.0318000.0320000.0
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value379000.0344000.0345000.0357000.0383000.0337000.0318000.0320000.0358000.0302000.0301000.0
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value379000.0343000.0345000.0357000.0383000.0337000.0318000.0320000.0
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan100.099.7100.0100.0100.0100.0100.0100.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value379000.0344000.0345000.0357000.0383000.0337000.0318000.0320000.0
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueNewIssues



Period End2020-03-312018-12-312018-09-30
Value12500
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312018-12-312018-09-30
Value12500
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.00.0

us-gaap:CommonStock



Period End2020-03-31
Value19000.0
Percentage of StockIssuedDuringPeriodValueNewIssues0.0

us-gaap:Parent



Period End2020-03-312018-12-312018-09-30
Value12500
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value344334444433333333
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockDividend



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value265000.0255000.0253000.0241000.0238000.0214000.0212000.0
Percentage of StockIssuedDuringPeriodValueStockDividend100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value265000.0255000.0253000.0241000.0238000.0214000.0212000.0210000.0205000.00.0191000.0
Percentage of StockIssuedDuringPeriodValueStockDividend100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:CommonStock



Period End2020-02-292019-01-31
Value0.0563229.0
Percentage of StockRepurchasedAndRetiredDuringPeriodShares0.0100.0

us-gaap:WeightedAverageLimitedPartnershipUnitsOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-03-312011-09-302011-03-312010-09-30
Value0000000000000015415415401541540000001770017701770
Percentage of WeightedAverageLimitedPartnershipUnitsOutstanding100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility

reg:DebtWeightedAverageContractualInterestRate

us-gaap:LineOfCredit



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.0250.0270.0310.034
Percentage of DebtWeightedAverageContractualInterestRate100.0100.0100.0100.0

us-gaap:RevolvingCreditFacility



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.020.020.020.024
Percentage of DebtWeightedAverageContractualInterestRate80.074.164.570.6

us-gaap:LongtermDebtType

reg:FixedRateMortgageLoans



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.0440.0440.0440.045
Percentage of DebtWeightedAverageContractualInterestRate176.0163.0141.9132.4

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.0390.0390.0390.04
Percentage of DebtWeightedAverageContractualInterestRate156.0144.4125.8117.6

us-gaap:LongtermDebtType, us-gaap:VariableRate

reg:VariableRateMortgageLoans, us-gaap:LondonInterbankOfferedRateLIBOR



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.0310.0320.0320.035
Percentage of DebtWeightedAverageContractualInterestRate124.0118.5103.2102.9

us-gaap:CreditFacility

reg:DebtWeightedAverageEffectiveInterestRate

us-gaap:LineOfCredit



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.0270.0290.0330.036
Percentage of DebtWeightedAverageEffectiveInterestRate100.0100.0100.0100.0

us-gaap:RevolvingCreditFacility



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.0210.0210.0210.025
Percentage of DebtWeightedAverageEffectiveInterestRate77.872.463.669.4

us-gaap:LongtermDebtType

reg:FixedRateMortgageLoans



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.0390.040.040.04
Percentage of DebtWeightedAverageEffectiveInterestRate144.4137.9121.2111.1

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.040.0410.0420.044
Percentage of DebtWeightedAverageEffectiveInterestRate148.1141.4127.3122.2

us-gaap:LongtermDebtType, us-gaap:VariableRate

reg:VariableRateMortgageLoans, us-gaap:LondonInterbankOfferedRateLIBOR



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.0320.0330.0340.036
Percentage of DebtWeightedAverageEffectiveInterestRate118.5113.8103.0100.0

reg:ExchangeableOperatingPartnershipUnitsAggregateRedemptionValue



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2947512320
Percentage of ExchangeableOperatingPartnershipUnitsAggregateRedemptionValue100.0100.0100.0100.0100.0

reg:RealEstateInvestmentPropertiesHeldForSale



Period End2020-03-312019-12-312019-09-302018-12-31
Value27453560
Percentage of RealEstateInvestmentPropertiesHeldForSale100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302018-12-31
Value27453560
Percentage of RealEstateInvestmentPropertiesHeldForSale100.0100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value194213219188224
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value194213219188183224236215234
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:AccountsReceivableNet



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-03-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1481691611571720111323026263736
Percentage of AccountsReceivableNet100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

reg:Managementtransactionandotherfee



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1011111112
Percentage of AccountsReceivableNet6.86.96.97.07.3

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value148169161157160172160155170
Percentage of AccountsReceivableNet100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:AccumulatedDistributionsInExcessOfNetIncome



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value15331408135013091255
Percentage of AccumulatedDistributionsInExcessOfNetIncome100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value77807654765076457672
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value3439373736333635333130292928292929292829284642262625242423232223212020
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value11131212192534333124201719198777780682235262674000000
Percentage of AssetsFairValueDisclosure32.334.734.333.755.076.296.694.393.177.365.958.768.566.629.026.726.627.227.727.30.014.819.082.1132.1104.4106.431.418.80.00.00.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-6000.0-105000.00.00.00.00.00.0
Percentage of AssetsFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.40.00.00.00.00.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-31
Value45535049565870686456504748473737373736372861
Percentage of AssetsFairValueDisclosure132.3134.7134.3133.7155.0176.2196.6194.3193.1177.3165.9158.7168.5166.6129.0126.7126.6127.2127.7127.3100.0232.1

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value11101087
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value11101087
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value14413111910692
Percentage of BelowMarketLeaseAccumulatedAmortization100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1441311191069992847556
Percentage of BelowMarketLeaseAccumulatedAmortization100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired

reg:CountryWalkPlaza



Period End2020-03-31
Value1.0
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired100.0

us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

reg:CountryWalkPlaza



Period End2020-03-31
Value16
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:CommonStockSharesHeldInEmployeeTrustShares



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value449979.0440574.0435297.0430536.0390163.0
Percentage of CommonStockSharesHeldInEmployeeTrustShares100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DebtInstrumentFairValue

reg:UnsecuredCreditFacilities, us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value9604894506856757107107155656255805656602792643091641652151201057575851457510012514517040
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312012-06-302012-03-312011-12-312011-09-30
Value252627232319201920161615134332-5-4-3-30-1-1-1
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

reg:MortgageLoanMaturities, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value-4-4-4-4
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet-16.0-15.5-16.6-20.7

reg:UnsecuredMaturities, us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-30
Value30303128
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet116.0115.5116.6120.7

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value323635353131282928272929272627262624232322222122212035
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value3236353531
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0

us-gaap:DeferredCostsAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4455667782
Percentage of DeferredCostsAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsLeasingAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value110108107104101
Percentage of DeferredCostsLeasingAccumulatedAmortization100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value110108107104102101989793
Percentage of DeferredCostsLeasingAccumulatedAmortization100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:DeferredCostsLeasingNet



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7776798184666059555652
Percentage of DeferredCostsLeasingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value777679818284858380
Percentage of DeferredCostsLeasingNet100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeFixedInterestRate

reg:Derivative130319678M



Period End2020-03-31
Value0.01303
Percentage of DerivativeFixedInterestRate100.0

reg:Derivative149032809M



Period End2020-03-31
Value0.0149
Percentage of DerivativeFixedInterestRate114.4

reg:Derivative236637022M



Period End2020-03-31
Value0.02366
Percentage of DerivativeFixedInterestRate181.6

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNotionalAmount

reg:Derivative130319678M



Period End2020-03-31
Value19
Percentage of DerivativeNotionalAmount100.0

reg:Derivative149032809M



Period End2020-03-31
Value32
Percentage of DerivativeNotionalAmount166.7

reg:Derivative236637022M



Period End2020-03-31
Value37
Percentage of DerivativeNotionalAmount188.1

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType

us-gaap:EquityMethodInvestmentOwnershipPercentage

reg:OtherInvestmentsInRealEstatePartnerships, us-gaap:SubsequentEvent



Period End2020-01-31
Value0.1662
Percentage of EquityMethodInvestmentOwnershipPercentage100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-31
Value268259247237219-148-56-45-36
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value268259247237225219206188148
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.00.0100.00.00.0-100.0

us-gaap:ConsolidatedEntities

us-gaap:GeneralPartnersCapitalAccount

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value622462256278631463566398649865176698
Percentage of GeneralPartnersCapitalAccount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:GeneralPartnersCapitalAccountUnitsOutstanding

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value169167167167167167169169171
Percentage of GeneralPartnersCapitalAccountUnitsOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value3093103123143143163310
Percentage of GoodwillGross100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value1342010200
Percentage of GoodwillImpairedAccumulatedImpairmentLoss100.0100.0100.0100.0100.0100.00.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:InterestRateCashFlowHedgeDerivativeAtFairValueNet

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value-10102111126252214981111120
Percentage of InterestRateCashFlowHedgeDerivativeAtFairValueNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue

reg:Derivative1053265M



Period End2020-03-31
Value3
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue100.0

reg:Derivative130319678M



Period End2020-03-31
Value569000.0
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue17.8

reg:Derivative149032809M



Period End2020-03-31
Value1
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue41.1

reg:Derivative154224M



Period End2020-03-31
Value1
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue41.3

reg:Derivative236637022M



Period End2020-03-312019-12-31
Value41
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue126.20.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value10121050111014320
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue326.40.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value10121050111014320
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue326.40.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Investments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4550484544414442424136
Percentage of Investments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value9121212129999955755555555551919191919202021221735
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:LimitedPartnersCapitalAccount

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value363636101010101010
Percentage of LimitedPartnersCapitalAccount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value765046.0746433.0746433.0349902.0349902.0349902.0349902.0349902.0349902.0
Percentage of LimitedPartnersCapitalAccountUnitsOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:LineOfCredit

us-gaap:LineOfCredit, us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-06-302014-03-312013-12-31
Value7052201851201101451451500601509515014500504530010700
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.00.00.0100.0100.0100.00.0100.0100.00.0

us-gaap:RevolvingCreditFacility, us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value264264264563563563563563563563563563563263263164164164
Percentage of LineOfCredit37.5120.2142.9470.0512.6388.8388.7375.70.0938.83754.30.0592.71756.60.0113.50.00.0

us-gaap:LongtermDebtType

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value96948444968367370870871356362357856365827826330916416521512010575758514575
Percentage of LineOfCredit137.5220.2242.9570.0612.6488.8488.7475.70.01038.83854.30.0692.71856.60.0213.50.00.0430.0266.7350.00.00.0850.0207.10.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312012-06-302012-03-312011-12-312011-09-30
Value260825922938248624862186225622562256194725292529211184010978398208207686076321123111211121131
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

reg:MortgageLoanMaturities, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value161145236209
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive6.25.68.08.4

reg:ScheduledPrincipalPayments, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value21212727
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive0.80.80.91.1

reg:UnsecuredMaturities, us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-30
Value2425242526752250
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive93.093.691.090.5

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312012-06-302012-03-312011-12-312011-09-30
Value346346696969697277325825823003002982882382382372371846148816916919486
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

reg:MortgageLoanMaturities, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value90905959
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive26.226.285.585.5

reg:ScheduledPrincipalPayments, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value551010
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive1.51.514.514.5

reg:UnsecuredMaturities, us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-30
Value25025000
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive72.272.20.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312012-06-302012-03-312011-12-312011-09-30
Value696976770269272733832832832851251254423910942027527561489189557526441186
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

reg:MortgageLoanMaturities, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value595955
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour85.485.40.80.8

reg:ScheduledPrincipalPayments, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value10101111
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour14.614.61.51.7

reg:UnsecuredMaturities, us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-30
Value00750685
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour0.00.097.797.5

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-312012-06-302012-03-312011-12-312011-09-30
Value1287802868787338389389539539422423012562626262052110241818518418523
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

reg:MortgageLoanMaturities, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value557476
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree0.50.786.686.8

reg:ScheduledPrincipalPayments, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value11111111
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree0.91.513.413.2

reg:UnsecuredMaturities, us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-30
Value127078500
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree98.697.80.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312012-06-302012-03-312011-12-312011-09-30
Value858550350350389223333911501501516212242342342347418184232323199
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

reg:MortgageLoanMaturities, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value74743939
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo86.586.577.611.2

reg:ScheduledPrincipalPayments, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-30
Value11111111
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo13.513.522.43.2

reg:UnsecuredMaturities, us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-30
Value000300
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo0.00.00.085.6

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value432420211112025841218
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

reg:MortgageLoanMaturities, us-gaap:Mortgages



Period End2020-03-312019-09-302019-06-30
Value3500
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear80.30.00.0

reg:ScheduledPrincipalPayments, us-gaap:Mortgages



Period End2020-03-312019-09-302019-06-30
Value824
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear19.7100.0100.0

us-gaap:MinorityInterestInLimitedPartnerships



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value3940404141
Percentage of MinorityInterestInLimitedPartnerships100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value394040414141292930
Percentage of MinorityInterestInLimitedPartnerships100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:MinorityInterestInOperatingPartnerships



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3636361010303119161310
Percentage of MinorityInterestInOperatingPartnerships100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInVariableInterestEntity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3030303131301717171717171717191911
Percentage of NoncontrollingInterestInVariableInterestEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesPayable



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value34453435343729943006327629712943294427491363136416741670169918081868188919461948194618551779176417671771
Percentage of NotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value344534353437299430093006300831182971
Percentage of NotesPayable100.0100.0100.0100.00.0100.00.00.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:NotesPayableFairValueDisclosure

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value36113688371031753066296129523081329130583027298828321435147817961783179319251990204121162116212420201936193019242020200020102090
Percentage of NotesPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateProperties

us-gaap:NumberOfRealEstateProperties

us-gaap:ConsolidatedProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value11.011.011.012.012.013.011.011.011.011.011.011.011.011.011.0
Percentage of NumberOfRealEstateProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartiallyOwnedProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value126.0127.0128.0129.0129.0133.0131.0130.0129.0126.0125.0126.0127.0120.0121.0
Percentage of NumberOfRealEstateProperties1145.51154.51163.61075.01075.01023.11190.91181.81172.71145.51136.41145.51154.51090.91100.0

us-gaap:UnconsolidatedProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value115.0116.0117.0117.0117.0120.0120.0119.0118.0115.0114.0115.0116.0109.0110.0112.0115.0118.0119.0119.0120.0120.0121.0122.0126.0126.0131.0139.0140.0144.0144.0147.0148.0147.0148.0
Percentage of NumberOfRealEstateProperties1045.51054.51063.6975.0975.0923.11090.91081.81072.71045.51036.41045.51054.5990.91000.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:WhollyOwnedProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value301.0303.0305.0304.0302.0305.0306.0309.0311.0311.0313.0313.0313.0198.0197.0199.0199.0200.0199.0200.0201.0202.0205.0206.0206.0202.0202.0204.0205.0204.0203.0217.0217.0217.0219.0
Percentage of NumberOfRealEstateProperties2736.42754.52772.72533.32516.72346.22781.82809.12827.32827.32845.52845.52845.51800.01790.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OffMarketLeaseUnfavorable



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312012-12-312011-12-312010-12-31
Value41342744945749620126
Percentage of OffMarketLeaseUnfavorable100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value413427449457475496507517537
Percentage of OffMarketLeaseUnfavorable100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:OperatingLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-01-012018-12-31
Value2212222232232250
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.00.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2212222232232250
Percentage of OperatingLeaseLiability100.0100.0100.0100.00.00.0

us-gaap:OtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-03-31
Value260390398410403939
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value260390398410412403427429427
Percentage of OtherAssets100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:OtherPrepaidExpenseCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value29182435301724252030
Percentage of OtherPrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:PartnersCapital

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value623662496299631163616408652265386702
Percentage of PartnersCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value6275628963396352640264506552656866056733663667342624
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:PartnerCapitalComponents

srt:PartnershipInterest, us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value-25-11-15-14-6014104-6-14-16-18
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest-0.4-0.2-0.2-0.2-0.1-0.00.20.20.1-0.1-0.2-0.2-0.7

srt:PartnershipInterest, us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value39404041414129293030303035
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest0.60.60.60.70.60.60.40.50.50.40.50.51.3

us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount

srt:PartnershipInterest, us-gaap:GeneralPartner



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value6224622562786314635663986498651765596698660967082609
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest99.299.099.099.499.399.299.299.299.399.599.699.699.4

srt:PartnershipInterest, us-gaap:LimitedPartner



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value363636101010101010101010-1
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest0.60.60.60.20.20.20.20.20.20.20.20.2-0.1

us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:PartnershipInterest, us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value62366249629963116361640865226538657567022589
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest99.499.499.499.399.499.499.699.599.599.698.7

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312011-12-31
Value18291766172316561535791
Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAtCost



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312011-12-31
Value11137110951114210878108634101
Percentage of RealEstateInvestmentPropertyAtCost100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyNet



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312011-12-31
Value930893299418922193273310
Percentage of RealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312012-12-312011-12-312010-12-31
Value32432665
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value324332464
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:SecurityDepositLiability



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value4858534557
Percentage of SecurityDepositLiability100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value485853454657434946
Percentage of SecurityDepositLiability100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value6275628963396352640264506552656866056733676426242600220220822082190819361861
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

reg:NoncontrollingInterestExchangeableOperatingPartnershipUnits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value36363610101010101010-1
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.60.60.60.20.20.20.20.20.20.2-0.1

reg:NoncontrollingInterestsInLimitedPartnersInterestInConsolidatedPartnerships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value3940404141412929303035
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.60.60.60.70.60.60.40.50.50.41.3

us-gaap:AccumulatedDistributionsInExcessOfNetIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-1533-1408-1350-1309-1263-1255-1240-1216-1169-1158-994
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-24.4-22.4-21.3-20.6-19.7-19.5-18.9-18.5-17.7-17.2-37.9

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-25-11-15-14-6014104-6-18
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.4-0.2-0.2-0.2-0.1-0.00.20.20.1-0.1-0.7

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value77807654765076457639767277567751774678733294
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest124.0121.7120.7120.3119.3119.0118.4118.0117.3116.9125.5

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value11111111111
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value7576775252524040414133
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.21.21.20.80.80.80.60.60.60.61.3

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value61996213626263006350639765126528656466922591
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest98.898.898.899.299.299.299.499.499.499.498.7

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-23-23-22-22-21-19-19-19-18-18-17
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.4-0.4-0.4-0.4-0.3-0.3-0.3-0.3-0.3-0.3-0.7

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:TradingSecurities

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value3439373736333635333130292928292929292829292827272626252423
Percentage of TradingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value343937373633363533313029292829292929282928
Percentage of TradingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-31
Value969484449683708563623578563658278263309164164215120105757585145751001251706530540
Percentage of UnsecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:PartnershipInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value969484449683673708708713623
Percentage of UnsecuredDebt100.0100.0100.0100.00.0100.00.00.0100.0

Line plots across dimensions of each concept

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount


us-gaap:ProfitLoss us-gaap:StatementEquityComponents


us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass


us-gaap:Liabilities us-gaap:ConsolidatedEntities


us-gaap:LongTermDebt us-gaap:LongtermDebtType


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


us-gaap:ProfitLoss us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount


us-gaap:ProfitLoss us-gaap:StatementEquityComponents