AKR


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:CommonStockSharesOutstanding
us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem
us-gaap:NumberOfStores

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:EarningsPerShareBasicAndDiluted
us-gaap:AwardType
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CostsAndExpenses

us-gaap:GainLossOnInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GeneralAndAdministrativeExpense
us-gaap:ConsolidationItems
us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:GrossProfit
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidationItems

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestAndDebtExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:Ownership, us-gaap:StatementBusinessSegments

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingExpenses
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherIncome

us-gaap:ProfitLoss
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
us-gaap:StatementEquityComponents
us-gaap:UnusualOrInfrequentItem

us-gaap:Revenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:Ownership, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:StockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:Land

us-gaap:ConstructionInProgressGross

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:Ownership
us-gaap:StatementGeographical
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:EquitySecuritiesFvNi

us-gaap:OtherAssets
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:StatementGeographical
us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:LongTermDebt

us-gaap:MinorityInterest
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:OperatingLeaseLiability
us-gaap:Ownership

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:AmortizationOfFinancingCosts

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:ProfitLoss
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
us-gaap:StatementEquityComponents
us-gaap:UnusualOrInfrequentItem

us-gaap:ShareBasedCompensation
us-gaap:AwardType, us-gaap:IncomeStatementLocation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireRealEstate
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsValuationAllowance

akr:AcquisitionOfNoncontrollingInterest
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
akr:AdditionalRepaymentsOfLinesOfCredit
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
akr:AdjustmentsToAdditionalPaidInCapitalReallocationOfNoncontrollingInterest
us-gaap:StatementEquityComponents

akr:AdjustmentsToStraightLineRentReserves
us-gaap:PartnerTypeOfPartnersCapitalAccount
akr:AmortizationOfExcessInvestment
us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem
akr:AnnualBaseRent

akr:ChargedToLeaseAndRentalExpense
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

akr:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterests

akr:ConsolidationOfPreviouslyUconsolidatedInvestments

akr:CorePortfolioAnnualizedBaseRentsForStoresOfBankruptcies

akr:CorePortfolioAnnualizedBaseRentsForStoresRejectedLease
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
akr:CreditLossBilledRents
us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem
us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
us-gaap:UnusualOrInfrequentItem
us-gaap:UnusualOrInfrequentItem
akr:CreditLossesAndRentAbatements

akr:DeductionsFromRentReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

akr:DevelopmentInProcessCapitalizedCosts
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

akr:DevelopmentInProcessTransfersIn
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments

akr:DevelopmentInProcessTransfersOut
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

akr:DistributionsOfOperatingIncomeFromUnconsolidatedAffiliates

akr:ExistingInterestInPreviouslyUnconsolidatedInvestment

akr:FinanceLeaseCostSubtotal

akr:FundPortfolioAnnualizedBaseRentsForStoresAssumedTheirLocations

akr:FundPortfolioAnnualizedBaseRentsForStoresOfBankruptcies

akr:FundPortfolioAnnualizedBaseRentsForStoresOfBankruptciesPercentage

akr:IncreaseDecreaseInOperatingLeaseLiabilities

akr:InvestmentsInAndAdvancesToUnconsolidatedAffiliatesAndOther
us-gaap:Ownership
akr:LesseeOperatingLeaseTerminationCost
us-gaap:Ownership
akr:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipShareOfCapital
us-gaap:Ownership
akr:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersPreferredReturn
us-gaap:AwardType
akr:LongTermIncentiveAndShareBasedCompensationExpense

akr:NoncashDistributionDeclaredAndPayable

akr:NoncashLeaseExpense
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
akr:NotesReceivableCollateralPercentage
us-gaap:ConsolidatedEntities, us-gaap:SubsequentEventType
akr:NotesReceivableModificationsReductionInOutstandingAmount
us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem
akr:NumberOfRentConcessionAgreements
us-gaap:UnusualOrInfrequentItem
us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem
akr:NumberOfRentConcessionAgreementsForRentDeferral
us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem
akr:NumberOfRentConcessionAgreementsForRentForgiveness
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
akr:PartnersCapitalAccountRecallableDistributions
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

akr:PercentageOfAnnualBaseRent
us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem

akr:PercentageOfCorePortfolioAnnualizedBaseRentsForStoresRejectedLease

akr:PercentageOfFundPortfolioAnnualizedBaseRentsForStoresAssumedTheirLocations
us-gaap:ConsolidatedEntities, us-gaap:PlanName
akr:PercentageOfPromoteAwardedAsShareBasedCompensationAward

akr:ProRataCoreLeasedOccupancyRatePercentage
us-gaap:UnusualOrInfrequentItem

akr:ProRataFundLeasedOccupancyRatePercentage
us-gaap:UnusualOrInfrequentItem

akr:ProceedsFromRepaymentsOfNotesReceivable
us-gaap:ConsolidatedEntities, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification
akr:ProceedsFromSaleOfRealEstateHeldForInvestmentGross
us-gaap:DisposalGroupClassification

akr:PropertyOperatingExpensesAndRealEstateTaxes
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
akr:RentAbatements
us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem
us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
us-gaap:UnusualOrInfrequentItem
us-gaap:UnusualOrInfrequentItem
akr:RentAbatementsNegotiatedAndReservedInPriorPeriods
us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem
akr:RentConcessionAggregateAmount
us-gaap:ConsolidatedEntities, us-gaap:DisposalGroupClassification, us-gaap:SubsequentEventType
akr:RepaymentsOfMortgageLoans
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

akr:ReturnOfCapitalFromUnconsolidatedAffiliatesAndOther

akr:ReturnOfDepositsForPropertiesUnderContractNet
us-gaap:TitleOfIndividual, us-gaap:AwardType
akr:ShareBasedCompensationGrantedForServiceVestingRateBeginningOnFirstAnniversaryOfGrantDate

us-gaap:AcquisitionCosts

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease

us-gaap:AssetImpairmentCharges
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
us-gaap:UnusualOrInfrequentItem

us-gaap:BelowMarketLeaseAcquired

us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:CostMethodInvestmentsRealizedGains
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:CostsAndExpensesRelatedParty
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:CumulativeEffectOnRetainedEarningsNetOfTax1
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:DebtInstrumentPeriodicPaymentPrincipal
us-gaap:ConsolidatedEntities, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:RealEstateProperties, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

us-gaap:DepreciationAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:DividendsPreferredStockCash
us-gaap:StatementEquityComponents

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeaseRightOfUseAssetAmortization
us-gaap:ConsolidatedEntities
us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FinitelivedIntangibleAssetsAcquired1
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:GainLossOnDispositionOfAssets

us-gaap:GainLossOnSaleOfProperties
us-gaap:ConsolidatedEntities, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DisposalGroupClassification
us-gaap:Ownership
us-gaap:Ownership
us-gaap:GainLossOnTerminationOfLease
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments
us-gaap:GainLossRelatedToLitigationSettlement
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementBusinessSegments
us-gaap:ImpairmentOfInvestments
us-gaap:StatementBusinessSegments
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments
us-gaap:ImpairmentOfRealEstate
us-gaap:DisposalGroupClassification
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest
us-gaap:DisposalGroupClassification
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:InterestAndOtherIncome

us-gaap:InterestPaidCapitalized

us-gaap:InvestmentIncomeInterest
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LeaseCost

us-gaap:LeaseIncome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidatedEntities, us-gaap:Ownership, us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments
us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
us-gaap:Ownership
us-gaap:Ownership, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementBusinessSegments
us-gaap:MortgageLoansOnRealEstateCostOfMortgagesSold

us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome
us-gaap:StatementEquityComponents

us-gaap:NoncashOrPartNoncashAcquisitionPayablesAssumed1

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseLeaseIncomeLeasePayments
us-gaap:ProductOrService

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherNoncashIncomeExpense
us-gaap:Ownership
us-gaap:PartnersCapitalAccountContributions
us-gaap:Ownership
us-gaap:PartnersCapitalAccountDistributions

us-gaap:PaymentOfFinancingAndStockIssuanceCosts

us-gaap:PaymentsForLeasingCosts

us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToDevelopRealEstateAssets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:PaymentsToMinorityShareholders
us-gaap:DerivativeInstrumentRisk
us-gaap:ProceedsFromDerivativeInstrumentFinancingActivities
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DerivativeInstrumentRisk

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfSecuredDebt

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

us-gaap:ProceedsFromMinorityShareholders
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ProceedsFromSaleOfPropertyHeldForSale

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment
us-gaap:ConsolidatedEntities, us-gaap:DisposalGroupClassification, us-gaap:SubsequentEventType
us-gaap:ConsolidatedEntities, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification, us-gaap:SubsequentEventType
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:RealEstateTaxExpense

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:RepaymentsOfLinesOfCredit
us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification, us-gaap:StatementBusinessSegments

us-gaap:RepaymentsOfSecuredDebt
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:RepaymentsOfUnsecuredDebt
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
us-gaap:Vesting
us-gaap:AwardType
us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueConversionOfUnits
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:StraightLineRent
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem
us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem
us-gaap:UnusualOrInfrequentItem

us-gaap:TrusteeFees

us-gaap:UndistributedEarnings

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UnrealizedGainLossOnInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:VariableLeaseCost

us-gaap:WeightedAverageNumberOfSharesIssuedBasic

akr:AboveMarketGroundLeaseAccumulatedAmortization

akr:AboveMarketGroundLeaseGross

akr:AboveMarketGroundLeaseNet

akr:AccountsPayableAndAccruedExpenses
us-gaap:UnusualOrInfrequentItem
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us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:CreditFacility, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:UnsecuredDebt
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:LongtermDebtType
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Derivative Assets
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Operating Lease Right Of Use Asset
Liabilities
Dividends Payable Current And Noncurrent
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Retained Earnings Accumulated Deficit
Per Share
Earnings Per Share Basic And Diluted
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Accounts Receivable
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization

Tables

  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CommonStockValue ▇▇▇▇▇██▄▂▁▁▁▁▄▄▄▄0.0860.0860.0860.0860.0860.0870.0870.0840.0830.0820.0820.0820.0820.0840.0840.0840.084
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▇▇▇▇▇█▇▅▃▁▁▁▂▄▄▄▄86.30286.26986.26686.26585.9987.0586.64484.45382.70881.55781.5581.50382.45183.70883.6883.65983.63
 us-gaap:NumberOfStores us-gaap:StatementBusinessSegments,us-gaap:SubsequentEventType,us-gaap:UnusualOrInfrequentItem akr:CorePortfolio,us-gaap:SubsequentEvent,akr:CovidNineteenNANANANANANANANANANANANANANANANANA
 us-gaap:NumberOfStores us-gaap:StatementBusinessSegments,us-gaap:SubsequentEventType,us-gaap:UnusualOrInfrequentItem akr:FundPortfolio,us-gaap:SubsequentEvent,akr:CovidNineteenNANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 86.34636NA86.308586.1799586.97155287.05884.88844583.70388682.0374140.08159181.56580581.75570283.43847783.73383.6998583.66195383.646
us-gaap:EarningsPerShareBasicAndDiluted ▄▁▁▇▁█▆▅▆▅▅▅▅█▆▆▇0.06-0.12000000000000001-0.10.22-0.10.240.120.110.150.090000000000000020.110.090.090.250.150.140.18
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 Gross Margin us-gaap:RelatedPartyTransactionsByRelatedParty akr:UnconsolidatedAffiliates17.281NANANA24.112NANANANANANANANANANANANA
 Margin from Continuing Operations us-gaap:RelatedPartyTransactionsByRelatedParty akr:UnconsolidatedAffiliates▅▁▇▆██▇▇▆▆▆▆▆▆▇▇17.2818.96121.34819.05724.11223.56222.3122.7419.97320.45419.97119.60320.15619.76220.88320.974NA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,akr:CorePortfolio▄▅▁▁▂▄▄▅█▅▄▃▄▅▃▃42.34942.87938.84838.60239.93341.82142.14243.21246.68743.43842.2940.53941.62842.84541.19641.488NA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,akr:CorePortfolio▄▅▁▁▂▄▄▅█▅▄▃▄▅▃▃42.34942.87938.84838.60239.93341.82142.14243.21246.68743.43842.2940.53941.62842.84541.19641.488NA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,akr:OpportunityFunds▅▅▁▅▇█▇▆▆▅▄▄▄▄▄▃27.04526.13112.43325.17131.48735.96331.18527.8528.11326.00723.78523.0321.49623.23621.48218.016NA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType akr:EmployeeBenefitPlan█▄███▄███▄███▁0.10.00.10.10.10.00.10.10.10.00.10.10.1-0.1NANANA
us-gaap:ComprehensiveIncomeNetOfTax █▅▅▆▁█▅▅▅▅▆▆▆▇▆▆▇38.0910.257-4.69414.916-62.95434.273-4.11-9.4690.66-5.62112.35410.42712.18124.07912.83411.11916.867
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▅▄▄█▁▅▅▄▅▄▅▅▅▆▅▅▆2.642-19.06-27.13744.484-70.882-3.433-2.726-18.955-11.581-16.631-11.033-9.638-10.3254.8310.541-6.2054.185
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▇▅▅█▁▇▆▅▅▅▆▆▆▇▆▆▇40.733-18.803-31.83159.4-133.83630.84-6.836-28.424-10.921-22.2521.3210.7891.85628.9113.3754.91421.052
us-gaap:CostsAndExpenses 65.325NANA70.016117.763NANANANANANANANANANANANA
us-gaap:GainLossOnInvestments ▂▄▁█▂6.50734.595-7.94687.811-0.53NANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▅▇▃▄▅█▂▅▂█▁▁▃▃▁▄▃8.9969.648.6258.729.079.8378.2229.0348.3239.9847.9827.9078.478.477.9538.8648.469
 us-gaap:GrossProfit us-gaap:PartnerTypeOfPartnersCapitalAccount akr:OperatingPartnershipAsGeneralPartnerOrManagingMemberNANANA-0.51NANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:RelatedPartyTransactionsByRelatedParty akr:UnconsolidatedAffiliates2.699NANANA0.334NANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperations ▄▁▁█▂█▆▅▆▅▅▅▅█▆▆▇5.162-10.725-9.0319.41-8.41421.3110.4589.0812.1977.139.2257.6657.41920.91212.86712.0615.631
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▄▃▂█▁▅▅▄▄▄▄▄▄▄▄2.01-31.604-38.21565.043-60.99114.51110.243-4.9720.876-6.588-7.24-2.275-3.768-10.9830.778NANA
 us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap:RelatedPartyTransactionsByRelatedParty akr:UnconsolidatedAffiliates▂▁▁▁▃▃▂▄▃▃▃▂▃▃▃▄█0.645-1.519-1.755-1.3033.3923.0052.3556.075.2994.872.9382.0292.8884.9773.047.32719.045
us-gaap:IncomeTaxExpenseBenefit ▄▇▄▄▁▃█▅▄▄▅▄▅▄▅▅▄0.151.0120.0740.137-0.952-0.1541.4030.265-0.0460.0830.464-0.0050.392-0.0130.4650.4270.125
us-gaap:IncomeTaxesPaidNet ▄▁▄▃▄▃▅▄▄▃█▁▆▄▆▃▄0.1-0.6110.0630.00.2190.00.4720.1450.1130.01.227-0.6730.6730.1020.635-0.0820.22
us-gaap:InterestAndDebtExpense ▆▆▆▇▇▆▇█▆▇▇▆▅█▄▂▁17.14117.68717.75218.31918.30217.06719.10319.75917.85919.09618.07716.91515.8919.31215.42812.7511.488
 us-gaap:InterestExpense us-gaap:RelatedPartyTransactionsByRelatedParty akr:UnconsolidatedAffiliates▂▂▃▃▆▆█▇▂▁▅▅▃▂▂▂▁4.8224.8044.8655.0145.4895.5715.8885.6394.7764.5895.245.254.8744.7664.7884.6414.538
us-gaap:InterestPaidNet ▄█▄▄▄▁▅▅▅▅▅▅▄▃▅▄▃11.82431.92213.91212.40214.1560.018.20118.48716.89816.58116.03217.30911.9110.31616.28313.7149.629
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▄▃▃█▁▄▅▄▄▆▄▄▄▅▅▄▅-3.302-21.891-29.25945.496-51.625-6.645-1.618-14.317-9.26113.801-11.822-9.935-11.5794.0320.418-5.9524.34
 us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,akr:CorePortfolio▃█▂▁▂▃▃▃▃▃▃▃▃▃▃▃▃0.60713.528-1.407-5.068-1.2160.311-0.263-0.4250.041-0.511-0.115-0.20.073-0.050.3530.3720.432
 us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,akr:OpportunityFunds▄▂▃█▁▄▄▄▄▄▄▄▄▅▄▄▅-3.909-35.419-27.85250.564-50.409-6.956-1.355-13.892-9.302-13.29-11.707-9.735-11.6524.0820.065-6.3243.908
 us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:Ownership,us-gaap:StatementBusinessSegments akr:FundII,akr:OpportunityFunds█▁▁▁█186.910.00.50.4175.6NANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▄▁▁█▂█▆▅▆▅▅▅▅█▆▆▇5.162-10.725-9.0319.41-8.41421.3110.4589.0812.1977.139.2257.6657.41920.91212.86712.0615.631
us-gaap:OperatingExpenses NANA65.3370.016117.76365.99464.11863.97660.60661.85259.12757.2756.42371.14556.93452.76252.102
 us-gaap:OperatingExpenses us-gaap:RelatedPartyTransactionsByRelatedParty akr:UnconsolidatedAffiliates▅▁█▇▇▆▆▅▅▅▅▅▅▅▆▅▅6.219-0.77310.2918.7368.1357.5366.7465.2365.1066.1076.0285.5315.9215.7266.8476.2725.866
us-gaap:OperatingIncomeLoss ▆▁▄▅▁█▇▆▇▆▆▆▆▅▆▆▆8.681-49.253-14.025-5.758-46.34328.04421.2657.08614.1947.5936.9486.2996.701-5.0645.7446.7429.897
us-gaap:OtherComprehensiveIncomeLossNetOfTax █▆▆▅▁▇▅▄▅▅▆▆▆▆▆▆▆38.87313.8136.458-5.506-73.79716.175-15.676-23.187-13.857-15.5813.9183.0596.0163.9660.09-1.1941.081
us-gaap:OtherIncome 6.507NANA87.811-0.530.05.034NANANANANANANANANANA
us-gaap:ProfitLoss ▄▃▂█▁▅▅▄▅▄▄▄▄▆▅▅▅1.86-32.616-38.28964.906-60.03914.6658.84-5.2372.936-6.671-2.597-2.27-4.1624.94413.2856.10819.971
us-gaap:Revenues ▆▆▁▄▆█▇▆▇▆▅▄▄▅▄▃▄69.39469.0151.28163.77371.4277.78673.32771.06274.869.44566.07563.56963.12466.08162.67859.50461.999
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets ▅▆▇████▆▃▂▂▁▂▂▄▄▃4153.6824186.8824251.4084328.7484305.1384309.1144329.5454209.9224038.8753958.783918.7163880.7683938.9763960.2474092.9574048.8454014.902
us-gaap:Liabilities ▅▆▇▇█▆▆▆▃▃▂▁▁▁▃▃▂2069.3132138.3292199.3082235.4172293.5782122.1492100.0222109.8161932.5231876.8331794.9121768.2191774.3091744.6081923.1631868.4481818.409
us-gaap:LiabilitiesAndStockholdersEquity ▅▆▇████▆▃▂▂▁▂▂▄▄▃4153.6824186.8824251.4084328.7484305.1384309.1144329.5454209.9224038.8753958.783918.7163880.7683938.9763960.2474092.9574048.8454014.902
us-gaap:StockholdersEquity ▃▁▂▂▁▆▅▃▃▂▃▄▅▇▇██1466.8471441.3141453.231455.5921434.4641542.3081519.5821481.1961465.9311459.5051485.7641492.6751524.6691567.1991563.5381570.1941578.534
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▂▂▄▂▂▅▄▃▂▁▂▄█▅▅▅15.42419.23216.10834.27323.40415.84548.1433.74927.76521.2689.52517.3339.34474.82348.25543.44247.707
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▂▂▄▃▂▅▄▃▂▁▂▄█▆▆▆31.14733.92429.78148.34737.61630.0161.00746.16740.29234.84822.03331.08651.86185.66967.72867.75371.728
us-gaap:Land ████▇▇▆▆▄▄▂▂▂▂▂▁▁767.631776.275771.508771.797756.833756.297733.679732.422705.402710.469674.758667.759667.847658.835659.547647.087649.533
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:ConstructionInProgressGross ▁▁▁▁▁▂▇▇▆█▆▅▄▃▄▄▄6.4535.7517.6056.4986.65913.61738.45836.72130.41344.09234.91927.43921.0618.64222.05223.9121.644
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▂▁▁▂▄▄█▅▅▂▄▅▅▄▃▃▂256.332249.807240.414250.825294.195305.097372.478320.477309.349262.41301.717306.616311.54302.07270.245272.736260.497
us-gaap:FiniteLivedIntangibleAssetsNet ▁▃▅▆▄▆▇▆▅▆▅▆██▇▆▆91.371100.732109.488119.251108.723116.82121.171117.074110.634115.939112.249114.982125.05127.571123.593119.002116.371
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA0.9140.9130.9230.9130.6562.052.0322.0321.1391.0892.1412.0963.7193.883.822
us-gaap:OperatingLeaseRightOfUseAsset ▇▇██▅▅▅▅▁74.80376.26889.61588.96459.38660.00655.71756.27911.871NANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementBasis us-gaap:FairValueInputsLevel3,us-gaap:CarryingReportedAmountFairValueDisclosure█▆▆▇▇▆▁▁▁▁▁▁2.461.7261.8752.0192.0191.7780.00.00.00.00.00.0NA0.0NANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementBasis us-gaap:FairValueInputsLevel3,us-gaap:EstimateOfFairValueFairValueDisclosure▁▁▁▁███▄▄▄▄▄2.3861.4561.6311.65457.86657.96456.33723.20823.20823.20822.82422.824NA22.824NANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:OperatingLeaseLiabilityCurrent us-gaap:StatementGeographical akr:OneTwoThreeEightWisconsinNA0.0019NANANANANANANANANANANANANANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:LongTermDebt ▆▇▇██▆▅▆▄▃▂▂▂▁▄▃▂1715.0551763.8391789.5881811.4841825.981708.1961655.3551685.0761599.1791550.5451481.7291461.2541455.2831424.4091602.8471543.7531501.896
us-gaap:MinorityInterest ▃▃▂▄▁▅█▃▄▃▄▃▄▅▃▃▃617.522607.239598.87637.739577.096644.657709.941618.91640.421622.442638.04619.874639.998648.44606.256610.203617.959
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo 7.789NANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree 7.974NANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour 7.969NANANANANANANANANANANANANANANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:StockholdersEquity ▃▁▂▂▁▆▅▃▃▂▃▄▅▇▇██1466.8471441.3141453.231455.5921434.4641542.3081519.5821481.1961465.9311459.5051485.7641492.6751524.6691567.1991563.5381570.1941578.534
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▃▂▂▄▁▇█▄▄▃▅▄▆█▆▆▇2084.3692048.5532052.12093.3312011.562186.9652229.5232100.1062106.3522081.9472123.8042112.5492164.6672215.6392169.7942180.3972196.493
us-gaap:CommonStockValue ▇▇▇▇▇██▄▂▁▁▁▁▄▄▄▄0.0860.0860.0860.0860.0860.0870.0870.0840.0830.0820.0820.0820.0820.0840.0840.0840.084
us-gaap:AdditionalPaidInCapitalCommonStock ▇▇█▇▇█▇▅▂▁▁▁▂▃▃▃▃1683.5521683.1651695.3381693.0061686.7941706.3571692.6591625.9061577.5031548.6031546.4051543.6511564.0671596.5141594.3321592.0691589.765
us-gaap:RetainedEarningsAccumulatedDeficit ▁▁▂▂▁▃▃▄▄▅▅▆▆▇▇██-174.829-167.046-156.321-147.291-166.701-132.961-129.026-115.224-100.634-89.696-73.99-61.196-46.856-32.013-30.325-21.439-11.753
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:CumulativeEffectPeriodOfAdoption,us-gaap:AdjustmentsForNewAccountingPronouncements,us-gaap:StatementBusinessSegments srt:CumulativeEffectPeriodOfAdoptionAdjustment,us-gaap:AccountingStandardsUpdate201613,akr:StructuredFinancingNA0.4NANANANANANANANANANANANANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▄▂▁▁▁▅▄▅▆▇███▇▇▇▇-41.962-74.891-85.873-90.209-85.715-31.175-44.138-29.57-11.0210.51613.26710.1387.3762.614-0.553-0.520.438
us-gaap:MinorityInterest ▃▃▂▄▁▅█▃▄▃▄▃▄▅▃▃▃617.522607.239598.87637.739577.096644.657709.941618.91640.421622.442638.04619.874639.998648.44606.256610.203617.959
us-gaap:StockIssuedDuringPeriodValueNewIssues NANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStockNANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:ParentNANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▂▁▃▁▁█▄▁▁▁▂▃▁▄▁▁▁6.6762.9220.1171.4183.11859.69429.7131.6453.2370.1399.01414.9450.69525.5272.7710.6853.822
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▂▂▅▄▅▅█▁▄▁▃▂▆▃▆▃30.93421.48422.58130.76527.73531.9932.95842.44419.78528.89318.14726.09722.93935.42124.26136.67223.479
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▄▄▄▂▃▁▁▂▃▃▄▄█▃▃▃11.492-3.34-6.1853.802-90.485-37.433-126.106-140.505-93.013-60.301-53.7783.739-26.279156.39-50.623-56.382-39.303
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▅▄▅▇▅██▇▆▆▄▄▁▆▆▅-45.203-14.001-34.962-23.83670.356-25.554107.988103.93678.67244.22326.578-50.611-30.468-165.24331.17515.445-8.274
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AmortizationOfFinancingCosts ▂▁▁▁▅▆▆█▅▅▄▃▃▇▄▂▁1.2691.1291.121.1571.7631.8081.8662.161.7431.6581.6071.3681.3751.9891.4921.3351.169
us-gaap:DepreciationDepletionAndAmortization ▃█▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁31.3948.16634.45733.79333.37732.63632.1730.30430.33330.79428.67629.50328.57627.68926.65226.05724.536
us-gaap:IncreaseDecreaseInAccountsReceivable ▂▁▃█▂▂▂▂▁▂▃▂▂▃▂▁▃2.408-1.7016.33425.201-0.0241.325-0.1281.541-2.2832.5923.21.8932.3594.6282.809-2.8866.723
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▂▂▅▄▅▅█▁▄▁▃▂▆▃▆▃30.93421.48422.58130.76527.73531.9932.95842.44419.78528.89318.14726.09722.93935.42124.26136.67223.479
us-gaap:ProfitLoss ▄▃▂█▁▅▅▄▅▄▄▄▄▆▅▅▅1.86-32.616-38.28964.906-60.03914.6658.84-5.2372.936-6.671-2.597-2.27-4.1624.94413.2856.10819.971
us-gaap:ShareBasedCompensation █▂▂▂▆▅▁▁▅█▂▂▆▁▂▃▇4.5112.3612.4152.3173.8193.5961.9191.9883.4544.6162.2192.3043.8092.0262.1272.7674.235
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▄▄▄▂▃▁▁▂▃▃▄▄█▃▃▃11.492-3.34-6.1853.802-90.485-37.433-126.106-140.505-93.013-60.301-53.7783.739-26.279156.39-50.623-56.382-39.303
us-gaap:PaymentsToAcquireRealEstate NA0.00.02.1219.08863.026117.931106.68232.03443.08358.7310.046.17162.060.64443.09734.688
 us-gaap:PaymentsToAcquireRealEstate us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,akr:CorePortfolioNA0.00.00.87519.088NA32.72317.36832.0340.00.00.0061.3370.0NANANA
 us-gaap:PaymentsToAcquireRealEstate us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,akr:OpportunityFundsNA0.00.01.2450.0NA85.20889.3140.043.08358.731-0.00644.83462.0NANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▅▄▅▇▅██▇▆▆▄▄▁▆▆▅-45.203-14.001-34.962-23.83670.356-25.554107.988103.93678.67244.22326.578-50.611-30.468-165.24331.17515.445-8.274
us-gaap:PaymentsOfDividendsCommonStock NA0.00.024.93725.24524.26123.64723.15822.83622.01822.00622.26222.60121.75721.75121.74434.275
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value88000.086000.086000.086000.086000.086000.087000.087000.084000.083000.082000.082000.082000.082000.084000.084000.084000.084000.084000.081000.075000.072000.070000.069000.069000.069000.068000.060000.059000.057000.056000.055000.055000.054000.052000.047000.046000.044000.043000.040000.040000.040000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStock


Common
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302009-12-312008-12-31
Value8686868685878684828181818283838383838074717069680.0687326860595655555554524745434240404040403932
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Number Of Stores

us-gaap:NumberOfStores us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem

us-gaap:NumberOfStores

akr:CorePortfolio, us-gaap:SubsequentEvent, akr:CovidNineteen


Number
Period End2020-07-31
Value16.0
Percentage of NumberOfStores100.0

akr:FundPortfolio, us-gaap:SubsequentEvent, akr:CovidNineteen


Number
Period End2020-07-31
Value24.0
Percentage of NumberOfStores150.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8686868686878483820.081591818183838383838278727169686868595856555553504644424240404040404040
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.040.06-0.12-0.10.22-0.10.240.120.110.150.090.110.090.090.250.150.140.180.230.080.240.4
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

akr:EmployeeBenefitPlan


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value200000.0100000.00100000.0100000.0100000.00100000.0100000.0100000.00100000.0100000.0100000.0-100000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0
Percentage of Revenues0.00.10.00.20.20.10.00.10.10.10.00.20.20.2-0.2
Percentage of Revenues akr:EmployeeBenefitPlan0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-2.029380.257-4.69414-62.95434-4.11-9.4690.66-5.62112101224121116318.4881421119.71630136.99295.38220149.496128.998217.3035.6744.6048.2052.13309.918
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.054.90.4-9.223.4-88.144.1-5.6-13.30.9-8.118.716.419.336.420.518.727.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2.642-19.06-27.13744-70.882-3.433-2.726-18.955-11.581-16.631-11.033-9.638-10.3254.8310.541-6.2054.18515-5.4787.85144-0.5893.74360210.271824.64-2.4332.702-0.4161.6211.68148-1.2823.536-1.0876.451-0.374-5.7030.312
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.8-27.6-52.969.8-99.2-4.4-3.7-26.7-15.5-23.9-16.7-15.2-16.47.30.9-10.46.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-3.51840-18.803-31.83159-133.83630-6.836-28.424-10.921-22.2521.3210.7891.85628134.91421473.012266111390357.2611111017169.081410696.0219.213.517141.75624109.6482.307
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.058.7-27.2-62.193.1-187.439.6-9.3-40.0-14.6-32.02.01.22.943.721.38.334.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-5.94732104.336-4.494-54.5412-14.568-18.549-11.537-12.7513.1292.7624.7623.167-0.033-0.9581.236122.376-3.753-7.0042.883-4.0623.564-2.843-2.4510.522-1.669-1.5391.8780.0094.177-0.6250.456-0.279-1.1650.5940.318-1.8810.0120.4950.5090.005
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest169.080.8-58.4-13.6-7.640.842.0213.165.3105.657.3236.9350.1256.611.0-0.2-19.55.925.478.9-17.0-10.625.8-30.23.9-8.1-33.80.5-16.7-8.711.20.128.7-5.90.7-4.6-12.616.92.2-107.10.04.85.30.2
Percentage of Revenues0.047.515.98.5-7.0-76.416.7-19.9-26.1-15.4-18.44.74.37.54.8-0.1-1.62.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1.4892.642-19.06-27.13744-70.882-3.433-2.726-18.955-11.581-16.631-11.033-9.638-10.3254.8310.541-6.184.18515-5.4787.85144-0.5893.74360210.271820.226-2.4332.702-0.4161.6211.68148-1.2823.536-1.0876.451-0.374-5.7030.3122.127-2.815
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest42.36.5101.485.374.953.0-11.139.966.7106.074.7-835.2-1221.5-556.316.74.0-125.819.932.8-182.035.766.8-5.327.866.861.13.774.02.3-13.816.1-4.611.115.768.9-21.338.4-30.944.0-21.3-23.23.022.0-122.0
Percentage of Revenues0.03.8-27.6-52.969.8-99.2-4.4-3.7-26.7-15.5-23.9-16.7-15.2-16.47.30.9-10.46.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-2.029380.257-4.69414-62.95434-4.11-9.4690.66-5.62112101224121116318.4881421119.71430136.99299.79520149.494128.998217.3015.6744.6048.2052.13309.9187.5215.122
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest57.793.5-1.414.725.147.0111.160.133.3-6.025.3935.21321.5656.383.396.0225.980.167.2282.064.333.2105.372.233.238.996.326.097.7113.883.9104.688.984.331.1121.361.6130.956.0121.3123.297.078.0222.0
Percentage of Revenues0.054.90.4-9.223.4-88.144.1-5.6-13.30.9-8.118.716.419.336.420.518.727.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.9185.162-10.725-9.0319-8.41421109.08127.139.2257.6657.41920121215196.11217288.891326169.441281121129.4858.7579.623217.586.8394.017.8874.011309.4237.0125.117
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest-111.412.757.028.432.76.369.1-153.0-31.9-111.7-32.0698.3971.5399.772.396.2245.474.241.8203.181.443.879.5102.429.346.9130.025.5114.4122.572.8104.560.290.130.4125.974.3114.053.8228.4123.292.172.7221.8
Percentage of Revenues0.07.4-15.5-17.630.4-11.827.414.312.816.310.314.012.111.831.620.520.325.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-06-302020-03-31
Value676570117
Percentage of CostsAndExpenses100.0100.0100.0100.0
Percentage of Revenues0.094.1109.8164.9

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.7116.50734-7.94687-0.53
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.09.450.1-15.5137.7-0.7

us-gaap:GainLossOnInvestments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:OpportunityFunds


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value2.8416.54715-7.90687
Percentage of GainLossOnInvestments104.8100.644.999.599.9
Percentage of Revenues0.09.422.5-15.4137.6
Percentage of Revenues us-gaap:OperatingSegments akr:OpportunityFunds0.024.20.0-63.6348.6

us-gaap:OperatingSegments, akr:StructuredFinancing


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-0.13-0.04-0.040.06-0.53
Percentage of GainLossOnInvestments-4.8-0.60.50.1100.0
Percentage of Revenues0.0-0.1-0.10.1-0.7
Percentage of Revenues us-gaap:OperatingSegments akr:StructuredFinancing0.00.00.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value108.9969.648.6258.729.079.8378.2229.0348.3239.9847.9827.9078.478.477.9538.8648.4699.906128.5219.3527.2287.6038.0057.5326.5357.1236.8796.8968.2945.3356.3015.6263.3787.0045.2175.9335.9395.7585.6995.694.3685.3175.416
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.013.014.016.813.712.712.611.212.711.114.412.112.413.412.812.714.913.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GeneralAndAdministrativeExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value108.9969.648.6258.729.079.8378.2229.0348.3239.9847.9827.9078.478.477.9538.8648.4699.906128.521
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.013.014.016.813.712.712.611.212.711.114.412.112.413.412.812.714.913.70.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Gross Profit

us-gaap:GrossProfit us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:GrossProfit

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember


Gross
Period End2021-06-302020-06-30
Value1.368-0.51
Percentage of GrossProfit100.0100.0
Percentage of Revenues0.0-0.8
Percentage of Revenues akr:OperatingPartnershipAsGeneralPartnerOrManagingMember0.00.0

us-gaap:GrossProfit us-gaap:RelatedPartyTransactionsByRelatedParty

akr:UnconsolidatedAffiliates


Gross
Period End2021-03-312020-03-31
Value2.6990.334
Percentage of GrossProfit0.00.0
Percentage of Revenues3.90.5
Percentage of Revenues akr:UnconsolidatedAffiliates15.61.4

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.9185.162-10.725-9.0319-8.41421109.08127.139.2257.6657.41920121215196.11217288.891326169.3412811217.5768.8588.2119.5748.6826.2656.5174.013.7893.8434.2458.1856.5894.592124.829
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.07.4-15.5-17.630.4-11.827.414.312.816.310.314.012.111.831.620.520.325.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.4252.01-31.604-38.21565-60.9911410-4.9720.876-6.588-7.24-2.275-3.768-10.9830.778
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.02.9-45.8-74.5102.0-85.418.714.0-7.01.2-9.5-11.0-3.6-6.0-16.61.2

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

akr:UnconsolidatedAffiliates


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2.470.645-1.519-1.755-1.3033.3923.0052.3556.075.2994.872.9382.0292.8884.9773.047.327191.589-2.5683.3753.0260.9731027691.3131440.5332.545115.3178.0651.895-4.51.14810-0.691-6.28913-0.5990.889
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.9-2.2-3.4-2.04.73.93.28.57.17.04.43.24.67.54.912.330.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues akr:UnconsolidatedAffiliates12.63.70.0-8.2-6.814.10.010.626.726.50.014.710.414.30.014.634.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value194000.0150000.01012000.074000.0137000.0-952000.0-154000.01403000.0265000.0-46000.083000.0464000.0-5000.0392000.0-13000.0465000.0427000.0125000.0-228000.089000.0111000.0-77000.0-272000.0698000.0-56000.01417000.0561000.0-17000.0-83000.0168000.0-34000.0186000.07000.0-140000.0-1705000.0-97000.01039000.0195000.0467000.0-488000.0233000.0262000.01021000.0785000.0645000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.21.50.10.2-1.3-0.21.90.4-0.10.10.7-0.00.6-0.00.70.70.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value194000.0150000.01012000.074000.0137000.0-952000.0-154000.01403000.0265000.0-46000.083000.0464000.0-5000.0392000.0-13000.0465000.0427000.0125000.0-228000.089000.0111000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.21.50.10.2-1.3-0.21.90.4-0.10.10.7-0.00.6-0.00.70.70.20.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value244000.0100000.0-611000.063000.00219000.00472000.0145000.0113000.001227000.0-673000.0673000.0102000.0635000.0-82000.0220000.0769000.02534000.0-1011000.0-256000.0-505000.0970000.0671000.0902000.0
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.1-0.90.10.00.30.00.60.20.20.01.9-1.11.10.21.0-0.10.40.00.00.00.00.00.00.00.0

Interest And Debt Expense

us-gaap:InterestAndDebtExpense

us-gaap:InterestAndDebtExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1717171718181719191719181615191512119.7437.9828.8828.0389.0329.3459.9648.8218.764109.534109.9121010102.0939.5638.7478.6349.5119.7428.9038.953119.9049.502
Percentage of InterestAndDebtExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.024.725.634.628.725.621.926.127.823.927.527.426.625.229.224.621.418.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestAndDebtExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value7.357.2148.0588.2768.6028.257.4387.3336.8396.6937.16.9727.0016.5027.8356.6956.9337.1557.1276.431
Percentage of InterestAndDebtExpense41.742.145.646.647.045.143.638.434.637.537.238.641.440.940.643.454.462.373.180.6
Percentage of Revenues0.010.411.716.113.511.69.610.09.68.910.210.611.010.311.910.711.711.50.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:CorePortfolio0.017.00.021.322.320.70.017.415.814.30.016.517.315.60.016.316.70.00.00.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value109.9279.6299.4769.717109.62911121111119.9149.388118.7335.8174.3332.6011.551
Percentage of InterestAndDebtExpense58.357.954.453.453.054.956.461.665.462.562.861.458.659.159.456.645.637.726.719.4
Percentage of Revenues0.014.314.018.515.214.112.416.118.214.917.316.815.614.917.413.99.87.00.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:OpportunityFunds0.036.70.076.238.631.90.037.746.439.70.046.743.043.70.040.732.30.00.00.0

Interest Expense

us-gaap:InterestExpense us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:InterestExpense

akr:UnconsolidatedAffiliates


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4.5814.8224.8044.8655.0145.4895.5715.8885.6394.7764.5895.245.254.8744.7664.7884.6414.5384.9455.2423.3772.7362.0982.1832.2592.6382.0551.8082.9752.5242.4972.3592.0562.0314.6934.6034.6134.6384.5674.2744.2424.016
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.06.97.09.57.97.77.28.07.96.46.67.98.37.77.27.67.87.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues akr:UnconsolidatedAffiliates23.427.90.022.826.322.80.026.424.823.90.026.226.824.20.022.922.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value8.84211311312140.0181816161617111016139.629148.87108.43713119.39113111111121113105.8587.7998.8198.0097.7105.3238.1918.492105.995
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.017.046.327.119.419.80.024.826.022.623.924.327.218.915.626.023.015.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.687-3.302-21.891-29.25945-51.625-6.645-1.618-14.317-9.26113-11.822-9.935-11.5794.0320.418-5.9524.3414-5.7868.23744-1.0194.32858210.65820.404-2.482.457-0.3430.8571.55648-0.9264.337-1.1876.4880.6365.1930.2292.37-2.836-24.699
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0-4.8-31.7-57.171.3-72.3-8.5-2.2-20.1-12.419.9-17.9-15.6-18.36.10.7-10.07.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-0.4060.60713-1.407-5.068-1.2160.311-0.263-0.4250.041-0.511-0.115-0.20.073-0.050.3530.3720.4320.64-0.06
Percentage of NetIncomeLossAttributableToNoncontrollingInterest-15.1-18.4-61.84.8-11.12.4-4.716.33.0-0.4-3.71.02.0-0.6-1.284.4-6.210.04.41.0
Percentage of Revenues0.00.919.6-2.7-7.9-1.70.4-0.4-0.60.1-0.7-0.2-0.30.1-0.10.60.60.70.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:CorePortfolio0.01.40.0-3.6-13.1-3.00.0-0.6-1.00.10.0-0.3-0.50.20.00.90.90.00.00.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3.093-3.909-35.419-27.85250-50.409-6.956-1.355-13.892-9.302-13.29-11.707-9.735-11.6524.0820.065-6.3243.90813-5.726
Percentage of NetIncomeLossAttributableToNoncontrollingInterest115.1118.4161.895.2111.197.6104.783.797.0100.4-96.399.098.0100.6101.215.6106.290.095.699.0
Percentage of Revenues0.0-5.6-51.3-54.379.3-70.6-8.9-1.8-19.5-12.4-19.1-17.7-15.3-18.56.20.1-10.66.30.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:OpportunityFunds0.0-14.50.0-224.0200.9-160.10.0-4.3-49.9-33.10.0-49.2-42.3-54.20.00.3-35.10.00.00.0

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:Ownership, us-gaap:StatementBusinessSegments

akr:FundII, akr:OpportunityFunds


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.118610.00.50.4175
Percentage of NetIncomeLossAttributableToNoncontrollingInterest78.2-5660.2-45.7-1.70.9-340.1
Percentage of Revenues0.0269.314.51.00.6245.9
Percentage of Revenues akr:FundII akr:OpportunityFunds0.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.9185.162-10.725-9.0319-8.41421109.08127.139.2257.6657.41920121215196.11217288.891326169.441281121129.4858.7579.623217.5816.8394.017.8874.011309.4237.0125.117125.13
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.07.4-15.5-17.630.4-11.827.414.312.816.310.314.012.111.831.620.520.325.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-10.865-9.146-10.652-8.699-8.857-8.118-9.683-9.625-9.299-8.277-10.067-8.446-7.902-8.862-8.457-8.418-9.291-8.594-9.678-12.958-8.632
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-277.3-177.299.396.3-45.696.5-45.4-92.0-102.4-67.9-141.2-91.6-103.1-119.5-40.4-65.4-77.0-55.0-48.8-212.0-48.2
Percentage of Revenues0.0-13.2-15.4-17.0-13.9-11.4-12.4-13.1-13.1-11.1-14.5-12.8-12.4-14.0-12.8-13.4-15.6-13.90.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ConsolidationItems, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:BrandywineTownCenter, akr:CorePortfolio


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.20.00.01.01.02.50.01.2
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-11.2-0.00.0-11.94.723.90.09.8
Percentage of Revenues1.70.00.01.41.33.40.01.6
Percentage of Revenues us-gaap:OperatingSegments akr:BrandywineTownCenter akr:CorePortfolio0.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value7.3757.4671.2560.499-2.1135.6712410131411101010159.889.4718.1276.2837.46
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic188.2144.7-11.7-5.5-10.9-67.4114.4100.3143.9119.3167.4112.6130.8136.071.876.878.552.031.7122.1
Percentage of Revenues0.010.81.81.0-3.37.931.314.318.419.417.215.715.816.022.715.815.913.10.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:CorePortfolio0.017.60.01.3-5.514.20.024.930.231.20.024.624.724.20.024.022.80.00.00.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value5.4845.181-3.662-2.92228-8.3664.8837.8493.083.6562.5713.7712.2512.4578.8524.9443.6777.114164.365
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic140.0100.434.132.4145.499.422.975.133.930.036.140.929.433.142.338.430.545.584.271.4
Percentage of Revenues0.07.5-5.3-5.744.3-11.76.310.74.34.93.75.73.53.913.47.96.211.50.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:OpportunityFunds0.019.20.0-23.5112.1-26.60.025.211.113.00.015.99.811.40.023.020.40.00.00.0

us-gaap:OperatingSegments, akr:StructuredFinancing


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.9241.662.3332.0922.1552.3991.7411.7482.2292.272.6923.5133.2893.7375.4956.4618.2038.9846.5317.245
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic49.132.2-21.8-23.211.1-28.58.216.724.518.637.838.142.950.426.350.268.057.532.9118.5
Percentage of Revenues0.02.43.44.13.43.42.22.43.13.03.95.35.25.98.310.313.814.50.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:StructuredFinancing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6570117656463606159575671565252524234383937403733323031332729281131282725263324222522
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues127.4109.8164.984.887.490.081.089.189.590.189.4107.790.888.784.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingExpenses us-gaap:RelatedPartyTransactionsByRelatedParty

akr:UnconsolidatedAffiliates


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-6.8146.219-0.773108.7368.1357.5366.7465.2365.1066.1076.0285.5315.9215.7266.8476.2725.8667.6427.0667.2863.733.8663.0223.1023.8573.9113.845.5033.8155.5834.1394.6984.2815.1264.9774.3624.4544.9313.6993.5283.766
Percentage of OperatingExpenses0.00.00.015.812.56.911.410.58.28.49.910.29.710.58.012.011.911.314.516.621.19.89.98.07.710.311.611.817.911.916.415.016.115.043.515.815.115.919.014.010.615.1
Percentage of Revenues0.09.0-1.120.113.711.49.79.27.46.88.89.18.79.48.710.910.59.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues akr:UnconsolidatedAffiliates-34.936.00.048.245.833.70.030.223.025.60.030.228.229.40.032.829.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value138.681-49.253-14.025-5.758-46.34328217.086147.5936.9486.2996.701-5.0645.7446.7429.897-17.958.4991614151813151715181412121618-2.1111213119.874105.375129.4091213
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.012.5-71.4-27.3-9.0-64.936.129.010.019.010.910.59.910.6-7.79.211.316.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-10.671-8.996-9.64-8.625-8.72-9.07-9.837-8.222-9.034-8.323-9.984-7.982-7.907-8.47-8.47-7.953-8.864-8.469-9.906-12.869-8.521
Percentage of OperatingIncomeLoss-81.1-103.619.661.5151.419.6-35.1-38.7-127.5-58.6-131.5-114.9-125.5-126.4167.3-138.5-131.5-85.655.2-151.4-50.6
Percentage of Revenues0.0-13.0-14.0-16.8-13.7-12.7-12.6-11.2-12.7-11.1-14.4-12.1-12.4-13.4-12.8-12.7-14.9-13.70.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value14164.948.1522.491113015151916151515151615151212
Percentage of OperatingIncomeLoss109.9189.1-10.0-58.1-43.3-23.9108.574.1224.4133.9214.4219.3239.8227.4-313.0280.7234.3153.1-72.1145.1
Percentage of Revenues0.023.77.215.93.915.539.121.522.425.423.423.123.824.124.025.726.524.40.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:CorePortfolio0.038.80.021.06.527.70.037.436.840.70.036.037.336.60.039.138.10.00.00.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value9.3681.26-44.553-13.5520.471-48.3367.461130.2173.5051.298-0.309-0.896-0.065-12.443-2.426-0.1883.212-1.691.787
Percentage of OperatingIncomeLoss71.214.590.596.6-8.2104.326.664.63.124.717.1-4.4-14.2-1.0245.7-42.2-2.832.59.421.0
Percentage of Revenues0.01.8-64.6-26.40.7-67.79.618.70.34.71.9-0.5-1.4-0.1-18.8-3.9-0.35.20.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:OpportunityFunds0.04.70.0-109.01.9-153.50.044.00.812.50.0-1.3-3.9-0.30.0-11.3-1.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-4.74938136.458-5.506-73.79716-15.676-23.187-13.857-15.5813.9183.0596.0163.9660.09-1.1941.081132.684-4.139-7.7733.313-4.6455.043-3.266-2.830.88-1.846-1.4922.123-0.0624.941-0.50.655-0.634-1.9660.694
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.056.020.012.6-8.6-103.320.8-21.4-32.6-18.5-22.45.94.89.56.00.1-2.01.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AociAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.198-5.944-2.831-2.1221.01219-3.2121.1084.6382.322.83-0.789-0.297-1.254-0.799-0.1230.2280.155-1.112-0.308
Percentage of OtherComprehensiveIncomeLossNetOfTax-25.2-15.3-20.5-32.9-18.4-26.1-19.9-7.1-20.0-16.7-18.2-20.1-9.7-20.8-20.1-136.7-19.114.3-8.5-11.5
Percentage of Revenues0.0-8.6-4.1-4.11.627.0-4.11.56.53.14.1-1.2-0.5-2.0-1.2-0.20.40.30.00.0
Percentage of Revenues us-gaap:AociAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Income

us-gaap:OtherIncome

us-gaap:OtherIncome


Other
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-30
Value2.7116.50787-0.530.05.034
Percentage of OtherIncome100.0100.0100.0100.00.0100.0
Percentage of Revenues0.09.4137.7-0.70.06.9

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.2311.86-32.616-38.28964-60.039148.84-5.2372.936-6.671-2.597-2.27-4.1624136.10819340.32626737.871188538101111119149.1429.61411696.655112.823144.647259.6529.3822.28137
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.02.7-47.3-74.7101.8-84.118.912.1-7.43.9-9.6-3.9-3.6-6.637.721.210.332.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

akr:Unconsolidated, akr:CorePortfolio, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.4440.4240.7840.488
Percentage of ProfitLoss23.9-1.3-2.0-0.8
Percentage of Revenues0.60.61.50.7
Percentage of Revenues akr:Unconsolidated akr:CorePortfolio akr:CovidNineteen0.00.00.00.0

akr:Unconsolidated, akr:OpportunityFunds, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.0540.7061.1220.172
Percentage of ProfitLoss2.9-2.2-2.9-0.3
Percentage of Revenues0.11.02.20.2
Percentage of Revenues akr:Unconsolidated akr:OpportunityFunds akr:CovidNineteen0.00.00.00.0

srt:ParentCompany, akr:CorePortfolio, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value3.0914.9738.7254.064
Percentage of ProfitLoss166.2-15.2-22.8-6.8
Percentage of Revenues4.57.217.05.7
Percentage of Revenues srt:ParentCompany akr:CorePortfolio akr:CovidNineteen0.00.00.00.0

srt:ParentCompany, akr:OpportunityFunds, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.6098.7934.54312
Percentage of ProfitLoss32.7-27.0-11.9-21.0
Percentage of Revenues0.912.78.917.6
Percentage of Revenues srt:ParentCompany akr:OpportunityFunds akr:CovidNineteen0.00.00.00.0

us-gaap:NoncontrollingInterest, akr:CorePortfolio, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-30
Value0.016-0.017-0.017
Percentage of ProfitLoss0.90.10.0
Percentage of Revenues0.0-0.0-0.0
Percentage of Revenues us-gaap:NoncontrollingInterest akr:CorePortfolio akr:CovidNineteen0.00.00.0

us-gaap:NoncontrollingInterest, akr:OpportunityFunds, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value-2.235-29.346-13.573-39.867
Percentage of ProfitLoss-120.290.035.466.4
Percentage of Revenues-3.2-42.5-26.5-55.8
Percentage of Revenues us-gaap:NoncontrollingInterest akr:OpportunityFunds akr:CovidNineteen0.00.00.00.0

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem

akr:Unconsolidated, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.4981.131.9060.66
Percentage of ProfitLoss26.8-3.5-5.0-1.1
Percentage of Revenues0.71.63.70.9
Percentage of Revenues akr:Unconsolidated akr:CovidNineteen0.00.00.00.0

srt:ParentCompany, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value3.7131316
Percentage of ProfitLoss198.9-42.2-34.7-27.8
Percentage of Revenues5.319.925.923.3
Percentage of Revenues srt:ParentCompany akr:CovidNineteen0.00.00.00.0

us-gaap:NoncontrollingInterest, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value-2.219-29.363-13.59-39.867
Percentage of ProfitLoss-119.390.035.566.4
Percentage of Revenues-3.2-42.5-26.5-55.8
Percentage of Revenues us-gaap:NoncontrollingInterest akr:CovidNineteen0.00.00.00.0

us-gaap:ProfitLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-10.865-9.146-10.652-8.699-8.857-8.118-9.683-9.625-9.299-8.277-10.067-8.446-7.902-8.862-8.457-8.418-9.291-8.594-9.678-12.958-8.632
Percentage of ProfitLoss-882.6-491.732.722.7-13.613.5-66.0-108.9177.6-281.9150.9325.2348.1213.0-33.9-63.4-152.1-43.0-28.3-3974.8-33.0
Percentage of Revenues0.0-13.2-15.4-17.0-13.9-11.4-12.4-13.1-13.1-11.1-14.5-12.8-12.4-14.0-12.8-13.4-15.6-13.90.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value7.7818.07414-0.908-7.1814.4552410121411109.8271014109.8438.5596.9237.4
Percentage of ProfitLoss632.1434.1-45.32.4-11.1-7.4168.3115.6-241.5496.9-171.2-395.5-432.9-244.260.077.0161.142.920.22269.9
Percentage of Revenues0.011.621.4-1.8-11.36.231.713.917.819.516.415.515.516.122.716.316.513.80.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:CorePortfolio0.019.10.0-2.3-18.611.20.024.329.331.20.024.324.224.40.024.823.70.00.00.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.3911.272-39.081-30.77478-58.775-2.0736.494-10.812-5.646-10.719-7.936-7.484-9.195125.009-2.6471130-1.361
Percentage of ProfitLoss194.268.4119.880.4121.497.9-14.173.5206.5-192.3160.7305.6329.7221.051.937.7-43.355.289.0-417.5
Percentage of Revenues0.01.8-56.6-60.0123.5-82.3-2.78.9-15.2-7.5-15.4-12.0-11.8-14.619.68.0-4.417.80.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:OpportunityFunds0.04.70.0-247.5313.0-186.70.020.8-38.8-20.10.0-33.4-32.5-42.80.023.3-14.70.00.00.0

us-gaap:OperatingSegments, akr:StructuredFinancing


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.9241.662.3332.0922.1552.3991.7411.7482.2292.272.6923.5133.2893.7375.4956.4618.2038.9846.5317.245
Percentage of ProfitLoss156.389.2-7.2-5.53.3-4.011.919.8-42.677.3-40.4-135.3-144.9-89.822.048.6134.345.019.12222.4
Percentage of Revenues0.02.43.44.13.43.42.22.43.13.03.95.35.25.98.310.313.814.50.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:StructuredFinancing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.3980.47-0.445-0.3521.259-0.3361.3990.7850.7220.9310.5950.7320.6330.6121.3430.8960.8581.0621.2450.51
Percentage of ProfitLoss32.325.31.40.91.90.69.58.9-13.831.7-8.9-28.2-27.9-14.75.46.714.05.33.6156.4
Percentage of Revenues0.00.7-0.6-0.72.0-0.51.81.11.01.20.91.11.01.02.01.41.41.70.00.0
Percentage of Revenues akr:OperatingPartnershipAsGeneralPartnerOrManagingMember us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

srt:AffiliatedEntity, us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-3.085-3.772-21.446-28.90744-51.289-8.044-2.403-15.039-10.192-14.396-12.554-10.568-12.1912.689-0.478
Percentage of ProfitLoss-250.6-202.865.875.568.285.4-54.9-27.2287.2-347.1215.8483.4465.6293.110.8-3.6
Percentage of Revenues0.0-5.4-31.1-56.469.4-71.8-10.3-3.3-21.2-13.6-20.7-19.0-16.6-19.34.1-0.8
Percentage of Revenues srt:AffiliatedEntity us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

akr:CorePortfolio, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value2.6314.5667.9583.576
Percentage of ProfitLoss141.5-14.0-20.8-6.0
Percentage of Revenues3.86.615.55.0
Percentage of Revenues akr:CorePortfolio akr:CovidNineteen0.00.00.00.0

akr:OpportunityFunds, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value2.79371652
Percentage of ProfitLoss150.0-114.8-44.4-87.1
Percentage of Revenues4.054.233.173.2
Percentage of Revenues akr:OpportunityFunds akr:CovidNineteen0.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-2.687-3.302-21.891-29.25945-51.625-6.645-1.618-14.317-9.261-13.801-11.822-9.935-11.5794.0320.418-5.9524.3414-5.7868.23744-1.0194.32858210.65820.404-2.482.457-0.3450.8571.55648-0.9274.337-1.1876.4880.636-5.1930.2292.37-2.836
Percentage of ProfitLoss-218.3-177.567.176.470.186.0-45.3-18.3273.4-315.4206.9455.2437.7278.316.23.1-97.421.742.1-1774.831.560.8-12.923.969.057.16.474.33.4-13.016.7-3.88.913.969.3-13.938.8-42.045.113.7-20.72.425.3-124.3
Percentage of Revenues0.0-4.8-31.7-57.171.3-72.3-8.5-2.2-20.1-12.4-19.9-17.9-15.6-18.36.10.7-10.07.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:UnusualOrInfrequentItem

akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value5.421412455
Percentage of ProfitLoss291.5-128.8-65.2-93.1
Percentage of Revenues7.860.948.778.2
Percentage of Revenues akr:CovidNineteen0.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6969516371777371746966636366625961
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Revenuesus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value42423838394142434643424041424141
Percentage of Revenues61.062.175.860.555.953.857.560.862.462.664.063.865.964.865.769.7
Percentage of Revenues61.062.175.860.555.953.857.560.862.462.664.063.865.964.865.769.7
Percentage of Revenues us-gaap:OperatingSegments akr:CorePortfolio100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Revenuesus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value27261225313531272826232321232118
Percentage of Revenues39.037.924.239.544.146.242.539.237.637.436.036.234.135.234.330.3
Percentage of Revenues39.037.924.239.544.146.242.539.237.637.436.036.234.135.234.330.3
Percentage of Revenues us-gaap:OperatingSegments akr:OpportunityFunds100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ProductOrService

us-gaap:RealEstateOther


Revenuesus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2.1891.4040.9811.1340.9631.0841.1361.120.7971.0571.331.6491.1373.341.0140.962
Percentage of Revenues3.22.01.91.81.31.41.51.61.11.52.02.61.85.11.61.6
Percentage of Revenues3.22.01.91.81.31.41.51.61.11.52.02.61.85.11.61.6
Percentage of Revenues us-gaap:RealEstateOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:RelatedPartyTransactionsByRelatedParty

akr:UnconsolidatedAffiliates


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value19178.9612119242322221920191920192020
Percentage of Revenues0.024.913.041.629.933.830.330.432.026.729.530.230.831.929.933.335.2
Percentage of Revenues0.024.913.041.629.933.830.330.432.026.729.530.230.831.929.933.335.2
Percentage of Revenues akr:UnconsolidatedAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value40894153418642514328430543094329420940383958391838803938396040924048401439953578323531483032296829732870273224542372234522642349231022951908189918541726165316061612153115241382
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value22092222225422912323233023502316226722442232223422362283230522372271
Percentage of Assets54.053.553.953.953.754.154.653.553.855.656.457.057.658.058.254.756.8
Percentage of Assets54.053.553.953.953.754.154.653.553.855.656.457.057.658.058.254.756.8
Percentage of Assets us-gaap:OperatingSegments akr:CorePortfolio100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value17631829183018241870180118431918184816841616157415351546150016051448
Percentage of Assets43.144.043.742.943.241.842.844.343.941.740.840.239.639.337.939.236.2
Percentage of Assets43.144.043.742.943.241.842.844.343.941.740.840.239.639.337.939.236.2
Percentage of Assets us-gaap:OperatingSegments akr:OpportunityFunds100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, akr:StructuredFinancing


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1171011011341341731149494109109109109108153250276
Percentage of Assets2.92.42.43.23.14.02.72.22.22.72.82.82.82.83.96.16.9
Percentage of Assets2.92.42.43.23.14.02.72.22.22.72.82.82.82.83.96.16.9
Percentage of Assets us-gaap:OperatingSegments akr:StructuredFinancing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:Ownership, us-gaap:StatementBusinessSegments

akr:FundII, akr:OpportunityFunds


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value604641603598603603576
Percentage of Assets14.815.414.414.113.914.013.4
Percentage of Assets14.815.414.414.113.914.013.4
Percentage of Assets akr:FundII akr:OpportunityFunds100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:RelatedPartyTransactionsByRelatedParty

akr:UnconsolidatedAffiliates


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value632632640647654741743727680646586623629637653673676674677859857648392369389526522338514504516472462444574426416444466406
Percentage of Assets15.515.215.315.215.117.217.216.816.216.014.815.916.216.216.516.416.716.817.024.026.520.612.912.513.118.319.113.821.721.522.820.120.019.430.122.422.525.828.226.7
Percentage of Assets15.515.215.315.215.117.217.216.816.216.014.815.916.216.216.516.416.716.817.024.026.520.612.912.513.118.319.113.821.721.522.820.120.019.430.122.422.525.828.226.7
Percentage of Assets akr:UnconsolidatedAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1973206921382199223522932122210021091932187617941768177417441923186818181817156914741519151014531453142912961252117912151143123611961209838970954903884956958937
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.349.851.151.751.653.349.248.550.147.847.445.845.645.044.147.046.145.345.543.945.648.349.849.048.949.847.551.049.751.850.552.651.852.743.951.151.552.353.559.659.461.5

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value408941534186425143284305430943294209403839583918388039383960409240484014399535783235314830322968297328702732245423722345226423492310229519081899185417261653160616121524
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:RelatedPartyTransactionsByRelatedParty

akr:UnconsolidatedAffiliates


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value632632640647654741743727680646586623629637653673676674677859857648392369389526522338514504516472462444574426416444466406
Percentage of LiabilitiesAndStockholdersEquity15.515.215.315.215.117.217.216.816.216.014.815.916.216.216.516.416.716.817.024.026.520.612.912.513.118.319.113.821.721.522.820.120.019.430.122.422.525.828.226.7
Percentage of Assets15.515.215.315.215.117.217.216.816.216.014.815.916.216.216.516.416.716.817.024.026.520.612.912.513.118.319.113.821.721.522.820.120.019.430.122.422.525.828.226.7
Percentage of Assets akr:UnconsolidatedAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value149814661441145314551434154215191481146514591485149215241567156315701578158814961295115311001088108810731055841800739704697699673622478445401384338343318
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.635.334.434.233.633.335.835.135.236.336.937.938.538.739.638.238.839.339.841.840.036.636.336.736.637.438.634.333.731.531.129.730.329.432.625.224.023.223.221.121.320.9

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value34151916342315483327219.5251739744843477149838472721041192171318672798810081918566498998148107120110789386
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.40.50.40.80.50.41.10.80.70.50.20.41.01.91.21.11.21.81.42.62.72.42.53.54.28.05.33.73.13.53.84.33.64.84.53.62.95.46.19.27.07.90.00.06.80.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value49313329483730614640342231518567677194110
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.20.70.80.71.10.90.71.41.11.00.90.60.81.32.21.71.71.82.43.6

Land

us-gaap:Land

us-gaap:Land


Land
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value761767776771771756756733732705710674667667658659647649693533477497514492507498424404374354336318329344293355330303285268252222
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.618.518.518.117.817.617.616.917.417.517.917.217.217.016.616.116.016.217.314.914.815.817.016.617.117.415.516.515.815.114.813.614.315.015.418.717.817.617.316.715.614.6

Construction In Progress Gross

us-gaap:ConstructionInProgressGross

us-gaap:ConstructionInProgressGross


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value9.4276.4535.7517.6056.4986.6591338363044342721182223211919
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.10.20.20.20.30.90.90.81.10.90.70.50.50.50.60.50.50.6

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value25825624924025029430537232030926230130631130227027226027227328421017316216618418412318217818119918822222188758584786831
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.36.26.05.75.86.87.18.67.67.76.67.77.97.97.66.66.76.56.87.68.86.75.75.55.66.46.75.07.77.68.08.58.19.711.64.74.14.95.14.94.22.0

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:RelatedPartyTransactionsByRelatedParty

akr:UnconsolidatedAffiliates


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2582562492402502943053723203092623016.8536.8536.8536.8546.8546.8536.8536.8536.8536.8536.8537.5487.5487.54811112121636363939389107133156192
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.02.22.22.32.52.52.62.52.52.43.34.04.74.54.16.19.011.712.035.232.033.941.842.4100.6142.6156.9185.0618.6
Percentage of Assets6.36.26.05.75.86.87.18.67.67.76.67.70.20.20.20.20.20.20.20.20.20.20.20.30.30.30.40.50.90.92.82.72.84.14.94.75.87.79.512.6
Percentage of Assets akr:UnconsolidatedAffiliates40.840.539.037.138.339.741.151.247.147.844.848.41.11.11.01.01.01.01.00.80.81.11.72.01.91.42.13.34.24.212.313.513.820.916.320.925.930.033.547.2

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value83911001091191081161211171101151121141251271231191161149361645249474544434240333231313129272526222018
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.22.42.62.82.52.72.82.82.72.92.93.03.23.23.02.92.92.92.61.92.01.71.71.61.61.61.81.81.71.51.41.41.41.71.51.51.51.61.41.31.2

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:AboveMarketLeases


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value3.5283.9284.2534.6325.2293.6693.9674.1874.6624.9195.895.0935.6696.5726.4996.0675.6016.1795.9916.146
Percentage of FiniteLivedIntangibleAssetsNet4.24.34.24.24.43.43.43.54.04.45.14.54.95.35.14.94.75.35.211.7
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.10.10.20.10.2
Percentage of Assets us-gaap:AboveMarketLeases0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeasesAcquiredInPlace


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value80879610411410511211611210511010710911812111711311010846
Percentage of FiniteLivedIntangibleAssetsNet95.895.795.895.895.696.696.696.596.095.694.995.595.194.794.995.195.394.794.888.3
Percentage of Assets2.02.12.32.52.62.42.62.72.72.62.82.72.83.03.12.92.82.72.71.5
Percentage of Assets us-gaap:LeasesAcquiredInPlace0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value914000.0913000.0923000.0913000.0656000.02050000.02032000.02032000.01139000.01089000.02141000.02096000.03719000.03880000.03822000.03733000.02664000.0
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.10.10.00.00.10.10.10.10.10.10.1

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value42747689885960555611
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.81.82.12.11.41.41.31.30.3

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:Ownership

akr:FundIV


Operating
Period End2021-06-30
Value31
Percentage of OperatingLeaseRightOfUseAsset74.1
Percentage of Assets0.8
Percentage of Assets akr:FundIV0.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:StatementGeographical

akr:OneTwoThreeEightWisconsin


Operating
Period End2020-12-31
Value0.0019
Percentage of OperatingLeaseRightOfUseAsset0.0
Percentage of Assets0.0
Percentage of Assets akr:OneTwoThreeEightWisconsin0.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:EquitySecuritiesFvNi

us-gaap:FairValueInputsLevel3, us-gaap:CarryingReportedAmountFairValueDisclosure


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.8632.461.7261.8752.0192.0191.7780.00.00.00.00.00.00.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0
Percentage of Assets0.10.10.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel3 us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3.4042.3861.4561.6311.654575756232323222222
Percentage of EquitySecuritiesFvNi118.997.084.487.081.92866.13260.10.00.00.00.00.00.00.0
Percentage of Assets0.10.10.00.00.01.31.31.30.60.60.60.60.60.6
Percentage of Assets us-gaap:FairValueInputsLevel3 us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value159162173183196179190200200202208209207216214213207201192123
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.93.94.24.34.54.24.44.64.85.05.35.45.35.55.45.25.15.04.84.1

us-gaap:OtherAssets us-gaap:RelatedPartyTransactionsByRelatedParty

akr:UnconsolidatedAffiliates


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value636461667178858273689190929510010310610175958647476259636241536766403130394034302927
Percentage of OtherAssets39.539.635.736.336.343.944.941.036.934.143.943.044.544.346.948.551.450.139.00.00.00.038.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets1.51.51.51.61.61.82.01.91.81.72.32.32.42.42.52.52.62.51.92.72.71.51.62.12.02.22.31.72.32.93.01.71.41.32.02.11.91.81.81.8
Percentage of Assets akr:UnconsolidatedAffiliates10.010.29.710.310.910.611.511.310.810.715.614.414.715.115.415.415.715.011.111.110.17.412.016.915.412.012.012.210.513.413.08.76.96.86.89.58.37.06.36.8

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:StatementGeographical

us-gaap:OperatingLeaseLiabilityCurrent

akr:OneTwoThreeEightWisconsin


Operating
Period End2020-12-31
Value0.0019
Percentage of OperatingLeaseLiabilityCurrent100.0
Percentage of Assets0.0
Percentage of Assets akr:OneTwoThreeEightWisconsin0.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value1664171517631789181118251708165516851599155014811461145514241602154315011488887799955105011111326130411301141107411081039100410921101727871853811787806
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.741.342.142.141.842.439.638.240.039.639.237.837.736.936.039.238.137.437.324.824.730.334.637.544.645.441.446.545.347.245.942.747.348.038.145.946.147.047.752.9

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value617617607598637577644709618640622638619639648606610617589512465475420426431368380361392391417415414412447449453422385310310269
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.114.914.514.114.713.415.016.414.715.915.716.316.016.216.414.815.115.414.814.314.415.113.914.414.512.813.914.716.516.718.417.717.918.023.423.724.524.423.319.419.317.7

us-gaap:MinorityInterest us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9594899090939797103105104103105106102103104104199284123969448119.9924.409
Percentage of MinorityInterest15.415.414.715.114.216.215.213.816.816.416.716.317.016.615.917.017.016.93.318.018.226.122.924.811.72.62.61.6
Percentage of Assets2.32.32.12.12.12.22.32.32.52.62.62.62.72.72.62.52.62.60.52.62.63.93.23.42.20.60.60.3
Percentage of Assets akr:OperatingPartnershipAsGeneralPartnerOrManagingMember us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterest us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

srt:AffiliatedEntity, us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value522522517508547483546612515535518534514533545503506494324
Percentage of MinorityInterest84.684.685.384.985.883.884.886.283.283.683.383.783.083.484.183.083.083.877.1
Percentage of Assets12.812.612.412.012.611.212.714.112.213.313.113.613.313.513.812.312.512.410.7
Percentage of Assets srt:AffiliatedEntity us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value617617607598637577644709618640622638619639648606610617589512465475420380417
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.114.914.514.114.713.415.016.414.715.915.716.316.016.216.414.815.115.414.814.314.415.113.913.918.4
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-31
Value5389000.07789000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0
Percentage of Assets0.10.2

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-31
Value5414000.07974000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0
Percentage of Assets0.10.2

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-31
Value5329000.07969000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0
Percentage of Assets0.10.2

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value408788898756565757
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.02.12.12.12.01.31.31.31.4

us-gaap:OperatingLeaseLiability us-gaap:Ownership

akr:FundIV


Operating
Period End2021-06-30
Value46
Percentage of OperatingLeaseLiability112.6
Percentage of Assets1.1
Percentage of Assets akr:FundIV0.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-31
Value54188
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0
Percentage of Assets1.34.5

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value149814661441145314551434154215191481146514591485149215241567156315701578158814961295115311001088108810731055841800739704697699673622478445401384338343318
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.635.334.434.233.633.335.835.135.236.336.937.938.538.739.638.238.839.339.841.840.036.636.336.736.637.438.634.333.731.531.129.730.329.432.625.224.023.223.221.121.320.9

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value21162084204820522093201121862229210021062081212321122164221521692180219621782009176016281521151415191441143512021192113011211113111310861070928899823769649654592587573576532442
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.750.248.948.348.446.750.851.549.952.252.654.254.455.055.953.053.954.754.556.154.451.750.251.051.150.252.549.050.348.249.547.448.247.356.148.948.547.746.540.440.638.738.50.00.038.50.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value-47.909-41.962-74.891-85.873-90.209-85.715-31.175-44.138-29.57-11.0210.51613107.3762.614-0.553-0.520.438-0.798-12.844-15.22-11.467-4.463-7.346-3.284-6.848-4.005-1.554-2.076-0.4071.132-0.746-0.755-4.932-4.307-4.763-4.484-3.319-3.913-4.231-2.35-2.362-2.857-3.366-3.371-2.994-4.508
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.3-2.0-3.7-4.2-4.3-4.3-1.4-2.0-1.4-0.50.00.60.50.30.1-0.0-0.00.0-0.0-0.6-0.9-0.7-0.3-0.5-0.2-0.5-0.3-0.1-0.2-0.00.1-0.1-0.1-0.5-0.4-0.5-0.5-0.4-0.5-0.7-0.4-0.4-0.5-0.6-0.6-0.6-1.0
Percentage of Assets-1.2-1.0-1.8-2.0-2.1-2.0-0.7-1.0-0.7-0.30.00.30.30.20.1-0.0-0.00.0-0.0-0.4-0.5-0.4-0.1-0.2-0.1-0.2-0.1-0.1-0.1-0.00.0-0.0-0.0-0.2-0.2-0.3-0.2-0.2-0.2-0.3-0.1-0.2-0.20.00.0-0.20.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value173016831683169516931686170616921625157715481546154315641596159415921589159415001287114010921056105010481027783758693665660659635581450415368348303303303303303301299218
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest81.880.882.282.680.983.978.075.977.474.974.472.873.172.372.173.573.072.473.274.773.170.171.869.869.172.771.665.263.661.359.359.359.358.554.448.546.244.845.346.846.451.251.752.852.356.249.4
Percentage of Assets42.340.540.239.939.139.239.639.138.639.139.139.539.839.740.339.039.339.639.941.939.836.236.035.635.336.537.631.932.029.629.428.128.627.730.523.722.421.421.118.918.819.819.90.00.021.60.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value0.0880.0860.0860.0860.0860.0860.0870.0870.0840.0830.0820.0820.0820.0820.0840.0840.0840.0840.0840.0810.0750.0720.070.0690.0690.0690.0680.060.0590.0570.0560.0550.0550.0540.0520.0470.0460.0440.0430.040.040.040.040.040.040.040.032
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value617617607598637577644709618640622638619639648606610617589512465475420426431368380361392391417415414412447449453422385310310272269256258220214
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest29.229.629.629.230.528.729.531.829.530.429.930.029.329.629.327.928.028.127.125.526.429.227.728.228.425.626.530.032.934.637.237.337.238.041.848.450.451.350.147.947.546.045.844.744.941.448.5
Percentage of Assets15.114.914.514.114.713.415.016.414.715.915.716.316.016.216.414.815.115.414.814.314.415.113.914.414.512.813.914.716.516.718.417.717.918.023.423.724.524.423.319.419.317.817.70.00.015.90.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value149814661441145314551434154215191481146514591485149215241567156315701578158814961295115311001088108810731055841800739704697699673622478445401384338343320318317317312227
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest70.870.470.470.869.571.370.568.270.569.670.170.070.770.470.772.172.071.972.974.573.670.872.371.871.674.473.570.067.165.462.862.762.862.058.251.649.648.749.952.152.554.054.255.355.158.651.5
Percentage of Assets36.635.334.434.233.633.335.835.135.236.336.937.938.538.739.638.238.839.339.841.840.036.636.336.736.637.438.634.333.731.531.129.730.329.432.625.224.023.223.221.121.320.920.90.00.022.60.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value-184.174-174.829-167.046-156.321-147.291-166.701-132.961-129.026-115.224-100.634-89.696-73.99-61.196-46.856-32.013-30.325-21.439-11.753-5.6358.815222312384131315844463738404345333435393942191717191613
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-8.7-8.4-8.2-7.6-7.0-8.3-6.1-5.8-5.5-4.8-4.3-3.5-2.9-2.2-1.4-1.4-1.0-0.5-0.30.41.31.50.82.62.72.22.24.93.74.13.43.43.64.04.23.63.84.35.16.06.53.32.93.03.43.03.1
Percentage of Assets-4.5-4.2-4.0-3.7-3.4-3.9-3.1-3.0-2.7-2.5-2.3-1.9-1.6-1.2-0.8-0.7-0.5-0.3-0.10.20.70.80.41.31.41.11.22.41.92.01.71.61.81.92.41.81.82.12.42.42.61.31.10.00.01.20.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value88000.086000.086000.086000.086000.086000.087000.087000.084000.083000.082000.082000.082000.082000.084000.084000.084000.084000.084000.081000.075000.072000.070000.069000.069000.069000.068000.060000.059000.057000.056000.055000.055000.054000.052000.047000.046000.044000.043000.040000.040000.040000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value173016831683169516931686170616921625157715481546154315641596159415921589159415001287114010921056105010481027783758693665660659635581450415368348303303303
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.340.540.239.939.139.239.639.138.639.139.139.539.839.740.339.039.339.639.941.939.836.236.035.635.336.537.631.932.029.629.428.128.627.730.523.722.421.421.118.918.819.9

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-184.174-174.829-167.046-156.321-147.291-166.701-132.961-129.026-115.224-100.634-89.696-73.99-61.196-46.856-32.013-30.325-21.439-11.753-5.6358.81522231238413131584446373840434533343539394217
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-4.5-4.2-4.0-3.7-3.4-3.9-3.1-3.0-2.7-2.5-2.3-1.9-1.6-1.2-0.8-0.7-0.5-0.3-0.10.20.70.80.41.31.41.11.22.41.92.01.71.61.81.92.41.81.82.12.42.42.61.1

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AccountingStandardsUpdate201613, akr:StructuredFinancing


Retained
Period End2020-12-31
Value0.4
Percentage of RetainedEarningsAccumulatedDeficit-0.2
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AccountingStandardsUpdate201613 akr:StructuredFinancing0.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-47.909-41.962-74.891-85.873-90.209-85.715-31.175-44.138-29.57-11.0210.51613107.3762.614-0.553-0.520.438-0.798-12.844-15.22-11.467-4.463-7.346-3.284-6.848-4.005-1.554-2.076-0.4071.132-0.746-0.755-4.932-4.307-4.763-4.484-3.319-3.913-4.231-2.35-2.857
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.2-1.0-1.8-2.0-2.1-2.0-0.7-1.0-0.7-0.30.00.30.30.20.1-0.0-0.00.0-0.0-0.4-0.5-0.4-0.1-0.2-0.1-0.2-0.1-0.1-0.1-0.00.0-0.0-0.0-0.2-0.2-0.3-0.2-0.2-0.2-0.3-0.1-0.2

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value617617607598637577644709618640622638619639648606610617589512465475420426431368380361392391417415414412447449453422385310310269
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.114.914.514.114.713.415.016.414.715.915.716.316.016.216.414.815.115.414.814.314.415.113.914.414.512.813.914.716.516.718.417.717.918.023.423.724.524.423.319.419.317.7

us-gaap:MinorityInterest us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9594899090939797103105104103105106102103104104199284123969448119.9924.409
Percentage of MinorityInterest15.415.414.715.114.216.215.213.816.816.416.716.317.016.615.917.017.016.93.318.018.226.122.924.811.72.62.61.6
Percentage of Assets2.32.32.12.12.12.22.32.32.52.62.62.62.72.72.62.52.62.60.52.62.63.93.23.42.20.60.60.3
Percentage of Assets akr:OperatingPartnershipAsGeneralPartnerOrManagingMember us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterest us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

srt:AffiliatedEntity, us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value522522517508547483546612515535518534514533545503506494324
Percentage of MinorityInterest84.684.685.384.985.883.884.886.283.283.683.383.783.083.484.183.083.083.877.1
Percentage of Assets12.812.612.412.012.611.212.714.112.213.313.113.613.313.513.812.312.512.410.7
Percentage of Assets srt:AffiliatedEntity us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value617617607598637577644709618640622638619639648606610617589512465475420380417
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.114.914.514.114.713.415.016.414.715.915.716.316.016.216.414.815.115.414.814.314.415.113.913.918.4
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-30
Value45
Percentage of StockIssuedDuringPeriodValueNewIssues100.0
Percentage of Assets0.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-30
Value45
Percentage of StockIssuedDuringPeriodValueNewIssues100.0
Percentage of Assets0.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.0

us-gaap:CommonStock


Stock
Period End2021-06-30
Value0.002
Percentage of StockIssuedDuringPeriodValueNewIssues0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:CommonStock0.0

us-gaap:Parent


Stock
Period End2021-06-30
Value45
Percentage of StockIssuedDuringPeriodValueNewIssues100.0
Percentage of Assets0.0
Percentage of Assets us-gaap:Parent0.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.3556.6762.92201.4183.11859291.6453.2370.1399.014140.695252.7710.6853.822291.71412360.2941327336.81315622325811152.8429817413.456.8821.52-0.7880.0832.0361.379
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

srt:AffiliatedEntity, us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.3556.6762.92201.4183.11859291.6453.2370.1399.014140.695252.771
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets srt:AffiliatedEntity us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.3556.6762.92201.4183.11859291.6453.2370.1399.014140.695252.7710.6853.822291.71412360.2941327336.81315622325811152.8429817413.456.8821.52-0.7880.0832.0361.379
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2030212230273132421928182622352436235513241728312726201523222316204.233232.81721112718154.758212.355
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.044.631.144.048.238.841.144.959.726.541.627.541.136.353.638.761.637.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1911-3.34-6.1853.802-90.485-37.433-126.106-140.505-93.013-60.301-53.7783.739-26.279156-50.623-56.382-39.303-235.234-288.966-159.53272-99.994-46.3626-235.101-209.544110-48.828-120.29572-59.086-2.222-98.88853-22.454-80.302-87.317-54.487-53.6564.023-49.037-37.615
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.016.6-4.8-12.16.0-126.7-48.1-172.0-197.7-124.3-86.8-81.45.9-41.6236.7-80.8-94.8-63.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-20.962-45.203-14.001-34.962-23.83670-25.554107103784426-50.611-30.468-165.2433115-8.274202240133-78.65371-17.068-68.99110275-81.4983991-105.16130-0.21484-70.55638753519-16.06422312514
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0-65.1-20.3-68.2-37.498.5-32.9147.3146.3105.263.740.2-79.6-48.3-250.149.726.0-13.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1277000.01269000.01129000.01120000.01157000.01763000.01808000.01866000.02160000.01743000.01658000.01607000.01368000.01375000.01989000.01492000.01335000.01169000.01179000.0833000.0567000.0625000.0960000.01031000.0778000.0768000.0789000.0746000.0780000.0688000.0281000.01289000.0778000.0734000.01174000.0893000.0819000.0683000.01021000.01080000.0873000.0944000.02917000.01051000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value313148343333323230303028292827262624231514161517131313121111111010109.11610109.1418.5968.3988.4498.249.099.29
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-5.2092.408-1.7016.33425-0.0241.325-0.1281.541-2.2832.5923.21.8932.3594.6282.809-2.8866.723-0.0113.972-2.713.5963.2190.0531.0471.3544.392.8730.3480.486-5.3122.1841.2530.8781.1183.0932.714-0.1681.922.7221.8432.4091.7711.45
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2030212230273132421928182622352436235513241728312726201523222316204.233232.81721112718154.758212.355
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.044.631.144.048.238.841.144.959.726.541.627.541.136.353.638.761.637.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.2311.86-32.616-38.28964-60.039148.84-5.2372.936-6.671-2.597-2.27-4.1624136.10819340.32626737.871188538101111119149.1429.61411696.655112.823144.647259.6529.3822.28137
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.02.7-47.3-74.7101.8-84.118.912.1-7.43.9-9.6-3.9-3.6-6.637.721.210.332.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

akr:Unconsolidated, akr:CorePortfolio, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.4440.4240.7840.488
Percentage of ProfitLoss23.9-1.3-2.0-0.8
Percentage of Revenues0.60.61.50.7
Percentage of Revenues akr:Unconsolidated akr:CorePortfolio akr:CovidNineteen0.00.00.00.0

akr:Unconsolidated, akr:OpportunityFunds, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.0540.7061.1220.172
Percentage of ProfitLoss2.9-2.2-2.9-0.3
Percentage of Revenues0.11.02.20.2
Percentage of Revenues akr:Unconsolidated akr:OpportunityFunds akr:CovidNineteen0.00.00.00.0

srt:ParentCompany, akr:CorePortfolio, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value3.0914.9738.7254.064
Percentage of ProfitLoss166.2-15.2-22.8-6.8
Percentage of Revenues4.57.217.05.7
Percentage of Revenues srt:ParentCompany akr:CorePortfolio akr:CovidNineteen0.00.00.00.0

srt:ParentCompany, akr:OpportunityFunds, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.6098.7934.54312
Percentage of ProfitLoss32.7-27.0-11.9-21.0
Percentage of Revenues0.912.78.917.6
Percentage of Revenues srt:ParentCompany akr:OpportunityFunds akr:CovidNineteen0.00.00.00.0

us-gaap:NoncontrollingInterest, akr:CorePortfolio, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-30
Value0.016-0.017-0.017
Percentage of ProfitLoss0.90.10.0
Percentage of Revenues0.0-0.0-0.0
Percentage of Revenues us-gaap:NoncontrollingInterest akr:CorePortfolio akr:CovidNineteen0.00.00.0

us-gaap:NoncontrollingInterest, akr:OpportunityFunds, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value-2.235-29.346-13.573-39.867
Percentage of ProfitLoss-120.290.035.466.4
Percentage of Revenues-3.2-42.5-26.5-55.8
Percentage of Revenues us-gaap:NoncontrollingInterest akr:OpportunityFunds akr:CovidNineteen0.00.00.00.0

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem

akr:Unconsolidated, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.4981.131.9060.66
Percentage of ProfitLoss26.8-3.5-5.0-1.1
Percentage of Revenues0.71.63.70.9
Percentage of Revenues akr:Unconsolidated akr:CovidNineteen0.00.00.00.0

srt:ParentCompany, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value3.7131316
Percentage of ProfitLoss198.9-42.2-34.7-27.8
Percentage of Revenues5.319.925.923.3
Percentage of Revenues srt:ParentCompany akr:CovidNineteen0.00.00.00.0

us-gaap:NoncontrollingInterest, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value-2.219-29.363-13.59-39.867
Percentage of ProfitLoss-119.390.035.566.4
Percentage of Revenues-3.2-42.5-26.5-55.8
Percentage of Revenues us-gaap:NoncontrollingInterest akr:CovidNineteen0.00.00.00.0

us-gaap:ProfitLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-10.865-9.146-10.652-8.699-8.857-8.118-9.683-9.625-9.299-8.277-10.067-8.446-7.902-8.862-8.457-8.418-9.291-8.594-9.678-12.958-8.632
Percentage of ProfitLoss-882.6-491.732.722.7-13.613.5-66.0-108.9177.6-281.9150.9325.2348.1213.0-33.9-63.4-152.1-43.0-28.3-3974.8-33.0
Percentage of Revenues0.0-13.2-15.4-17.0-13.9-11.4-12.4-13.1-13.1-11.1-14.5-12.8-12.4-14.0-12.8-13.4-15.6-13.90.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value7.7818.07414-0.908-7.1814.4552410121411109.8271014109.8438.5596.9237.4
Percentage of ProfitLoss632.1434.1-45.32.4-11.1-7.4168.3115.6-241.5496.9-171.2-395.5-432.9-244.260.077.0161.142.920.22269.9
Percentage of Revenues0.011.621.4-1.8-11.36.231.713.917.819.516.415.515.516.122.716.316.513.80.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:CorePortfolio0.019.134.5-2.3-18.611.259.024.329.331.226.324.324.224.434.924.823.70.00.00.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.3911.272-39.081-30.77478-58.775-2.0736.494-10.812-5.646-10.719-7.936-7.484-9.195125.009-2.6471130-1.361
Percentage of ProfitLoss194.268.4119.880.4121.497.9-14.173.5206.5-192.3160.7305.6329.7221.051.937.7-43.355.289.0-417.5
Percentage of Revenues0.01.8-56.6-60.0123.5-82.3-2.78.9-15.2-7.5-15.4-12.0-11.8-14.619.68.0-4.417.80.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:OpportunityFunds0.04.7-149.6-247.5313.0-186.7-5.820.8-38.8-20.1-41.2-33.4-32.5-42.855.723.3-14.70.00.00.0

us-gaap:OperatingSegments, akr:StructuredFinancing


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.9241.662.3332.0922.1552.3991.7411.7482.2292.272.6923.5133.2893.7375.4956.4618.2038.9846.5317.245
Percentage of ProfitLoss156.389.2-7.2-5.53.3-4.011.919.8-42.677.3-40.4-135.3-144.9-89.822.048.6134.345.019.12222.4
Percentage of Revenues0.02.43.44.13.43.42.22.43.13.03.95.35.25.98.310.313.814.50.00.0
Percentage of Revenues us-gaap:OperatingSegments akr:StructuredFinancing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.3980.47-0.445-0.3521.259-0.3361.3990.7850.7220.9310.5950.7320.6330.6121.3430.8960.8581.0621.2450.51
Percentage of ProfitLoss32.325.31.40.91.90.69.58.9-13.831.7-8.9-28.2-27.9-14.75.46.714.05.33.6156.4
Percentage of Revenues0.00.7-0.6-0.72.0-0.51.81.11.01.20.91.11.01.02.01.41.41.70.00.0
Percentage of Revenues akr:OperatingPartnershipAsGeneralPartnerOrManagingMember us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

srt:AffiliatedEntity, us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-3.085-3.772-21.446-28.90744-51.289-8.044-2.403-15.039-10.192-14.396-12.554-10.568-12.1912.689-0.478
Percentage of ProfitLoss-250.6-202.865.875.568.285.4-54.9-27.2287.2-347.1215.8483.4465.6293.110.8-3.6
Percentage of Revenues0.0-5.4-31.1-56.469.4-71.8-10.3-3.3-21.2-13.6-20.7-19.0-16.6-19.34.1-0.8
Percentage of Revenues srt:AffiliatedEntity us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

akr:CorePortfolio, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value2.6314.5667.9583.576
Percentage of ProfitLoss141.5-14.0-20.8-6.0
Percentage of Revenues3.86.615.55.0
Percentage of Revenues akr:CorePortfolio akr:CovidNineteen0.00.00.00.0

akr:OpportunityFunds, akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value2.79371652
Percentage of ProfitLoss150.0-114.8-44.4-87.1
Percentage of Revenues4.054.233.173.2
Percentage of Revenues akr:OpportunityFunds akr:CovidNineteen0.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-2.687-3.302-21.891-29.25945-51.625-6.645-1.618-14.317-9.261-13.801-11.822-9.935-11.5794.0320.418-5.9524.3414-5.7868.23744-1.0194.32858210.65820.404-2.482.457-0.3450.8571.55648-0.9274.337-1.1876.4880.636-5.1930.2292.37-2.836
Percentage of ProfitLoss-218.3-177.567.176.470.186.0-45.3-18.3273.4-315.4206.9455.2437.7278.316.23.1-97.421.742.1-1774.831.560.8-12.923.969.057.16.474.33.4-13.016.7-3.88.913.969.3-13.938.8-42.045.113.7-20.72.425.3-124.3
Percentage of Revenues0.0-4.8-31.7-57.171.3-72.3-8.5-2.2-20.1-12.4-19.9-17.9-15.6-18.36.10.7-10.07.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:UnusualOrInfrequentItem

akr:CovidNineteen


Profit
Period End2021-03-312020-12-312020-09-302020-03-31
Value5.421412455
Percentage of ProfitLoss291.5-128.8-65.2-93.1
Percentage of Revenues7.860.948.778.2
Percentage of Revenues akr:CovidNineteen0.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.6244.5112.3612.4152.3173.8193.5961.9191.9883.4544.6162.2192.3043.8092.0262.1272.7674.2353.9665.5790.1314.0191.7691.9231.8571.8891.2021.7091.7462.0873.0771.8041.3751.4111.0351.0280.9880.970.9091.0861.4510.8530.9830.98
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation us-gaap:AwardType, us-gaap:IncomeStatementLocation

akr:LtipUnitsAndRestrictedStock, us-gaap:GeneralAndAdministrativeExpense


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.32.72.12.12.12.13.41.71.81.92.12.02.22.21.92.1
Percentage of ShareBasedCompensation87.759.988.987.090.655.094.588.690.555.045.590.195.557.893.898.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1911-3.34-6.1853.802-90.485-37.433-126.106-140.505-93.013-60.301-53.7783.739-26.279156-50.623-56.382-39.303-235.234-288.966-159.53272-99.994-46.3626-235.101-209.544110-48.828-120.29572-59.086-2.222-98.88853-22.454-80.302-87.317-54.487-53.6564.023-49.037-37.615
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.016.6-4.8-12.16.0-126.7-48.1-172.0-197.7-124.3-86.8-81.45.9-41.6236.7-80.8-94.8-63.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Real Estate

us-gaap:PaymentsToAcquireRealEstate

us-gaap:PaymentsToAcquireRealEstate


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.00.02.1219631171063243580.046626043342032736.2512511952220113291790793022861042662484525640.01923
Percentage of PaymentsToAcquireRealEstate0.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:PaymentsToAcquireRealEstate us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.875193217320.00.00.0061.3370.0
Percentage of PaymentsToAcquireRealEstate0.00.041.3100.027.716.3100.00.00.00.02.90.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.01.2450.085890.04358-0.0064462
Percentage of PaymentsToAcquireRealEstate0.00.058.70.072.383.70.0100.0100.00.097.1100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-20.962-45.203-14.001-34.962-23.83670-25.554107103784426-50.611-30.468-165.2433115-8.274202240133-78.65371-17.068-68.99110275-81.4983991-105.16130-0.21484-70.55638753519-16.06422312514
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0-65.1-20.3-68.2-37.498.5-32.9147.3146.3105.263.740.2-79.6-48.3-250.149.726.0-13.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.00.024252423232222222222212121341918173516161636131313121111119.4178.4728.1987.8077.6667.267.267.2577.2567.2547.236
Percentage of PaymentsOfDividendsCommonStock0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-31
Value0900000.02000000.0
Percentage of DeferredTaxAssetsNet0.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-31
Value900000.0
Percentage of DeferredTaxAssetsValuationAllowance100.0

akr:AcquisitionOfNoncontrollingInterest

akr:AcquisitionOfNoncontrollingInterest


Acquisition
Period End2020-12-31
Value0
Percentage of AcquisitionOfNoncontrollingInterest0.0

akr:AdditionalRepaymentsOfLinesOfCredit us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

akr:AdditionalRepaymentsOfLinesOfCredit

akr:FundIV, akr:BridgeFacility, us-gaap:SubsequentEvent


Additional
Period End2021-02-16
Value5000000.0
Percentage of AdditionalRepaymentsOfLinesOfCredit100.0

akr:AdjustmentsToAdditionalPaidInCapitalReallocationOfNoncontrollingInterest us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

akr:AdjustmentsToAdditionalPaidInCapitalReallocationOfNoncontrollingInterest

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-1.1190.369-2.953-2.1-1.999-0.145-2.927-5.251-0.4131.98-1.975-1.783-2.0231.225-1.454-1.822-1.7665.693-0.3983.591
Percentage of AdjustmentsToAdditionalPaidInCapitalReallocationOfNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

akr:AdjustmentsToAdditionalPaidInCapitalReallocationOfNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.119-0.3692.9532.11.9990.1452.9275.2510.413-1.981.9751.7832.023-1.2251.4541.8221.766-5.6930.398-3.591
Percentage of AdjustmentsToAdditionalPaidInCapitalReallocationOfNoncontrollingInterest-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

us-gaap:NoncontrollingInterest


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-1.1190.369-2.953-2.1-1.999-0.145-2.927-5.251-0.4131.98-1.975-1.783-2.0231.225-1.454-1.822-1.7665.693-0.3983.591
Percentage of AdjustmentsToAdditionalPaidInCapitalReallocationOfNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.119-0.3692.9532.11.9990.1452.9275.2510.413-1.981.9751.7832.023-1.2251.4541.8221.766-5.6930.398-3.591
Percentage of AdjustmentsToAdditionalPaidInCapitalReallocationOfNoncontrollingInterest-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

akr:AdjustmentsToStraightLineRentReserves

akr:AdjustmentsToStraightLineRentReserves


Adjustments
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.3060.8173.5262.967
Percentage of AdjustmentsToStraightLineRentReserves100.0100.0100.0100.0

akr:AmortizationOfExcessInvestment us-gaap:PartnerTypeOfPartnersCapitalAccount

akr:AmortizationOfExcessInvestment

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-262000.0436000.0551000.0634000.0322000.0693000.0696000.0707000.0723000.0724000.0726000.0760000.0876000.0583000.0556000.0543000.0704000.0866000.0414000.0479000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.098000.097000.098000.0
Percentage of AmortizationOfExcessInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

akr:AnnualBaseRent us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem

akr:AnnualBaseRent

akr:CorePortfolio, us-gaap:SubsequentEvent, akr:CovidNineteen


Annual
Period End2021-01-312020-10-312020-07-31
Value1200000.02600000.04700000.0
Percentage of AnnualBaseRent100.0100.0100.0

akr:FundPortfolio, us-gaap:SubsequentEvent, akr:CovidNineteen


Annual
Period End2021-01-312020-10-312020-07-31
Value200000.01100000.0500000.0
Percentage of AnnualBaseRent16.742.310.6

akr:ChargedToLeaseAndRentalExpense

akr:ChargedToLeaseAndRentalExpense


Charged
Period End2021-03-31
Value3882000.0
Percentage of ChargedToLeaseAndRentalExpense100.0

akr:ChargedToLeaseAndRentalExpense us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

akr:AllowanceForCreditLossBilledRents


Charged
Period End2021-03-31
Value3065000.0
Percentage of ChargedToLeaseAndRentalExpense79.0

akr:StraightLineRentReserve


Charged
Period End2021-03-31
Value817000.0
Percentage of ChargedToLeaseAndRentalExpense21.0

akr:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterests

akr:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterests


Comprehensive
Period End2021-06-302020-06-30
Value1.48944
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterests100.0100.0

akr:ConsolidationOfPreviouslyUconsolidatedInvestments

akr:ConsolidationOfPreviouslyUconsolidatedInvestments


Consolidation
Period End2020-12-31
Value0
Percentage of ConsolidationOfPreviouslyUconsolidatedInvestments0.0

akr:CorePortfolioAnnualizedBaseRentsForStoresOfBankruptcies

akr:CorePortfolioAnnualizedBaseRentsForStoresOfBankruptcies


Core
Period End2021-03-312020-12-31
Value700000.0-1400000.0
Percentage of CorePortfolioAnnualizedBaseRentsForStoresOfBankruptcies100.0100.0

akr:CorePortfolioAnnualizedBaseRentsForStoresRejectedLease

akr:CorePortfolioAnnualizedBaseRentsForStoresRejectedLease


Core
Period End2021-03-31
Value100000.0
Percentage of CorePortfolioAnnualizedBaseRentsForStoresRejectedLease100.0

akr:CreditLossBilledRents us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

akr:CreditLossBilledRents

akr:Unconsolidated, akr:CorePortfolio, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.3860.2290.6610.268
Percentage of CreditLossBilledRents100.0100.0100.0100.0

akr:Unconsolidated, akr:OpportunityFunds, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.0370.3320.2970.11
Percentage of CreditLossBilledRents9.6145.044.941.0

srt:ParentCompany, akr:CorePortfolio, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value2.2862.1025.8541.1
Percentage of CreditLossBilledRents592.2917.9885.6410.4

srt:ParentCompany, akr:OpportunityFunds, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.240.6941.4310.138
Percentage of CreditLossBilledRents62.2303.1216.551.5

us-gaap:NoncontrollingInterest, akr:CorePortfolio, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-30
Value0.017-0.0170.035
Percentage of CreditLossBilledRents4.4-7.45.3

us-gaap:NoncontrollingInterest, akr:OpportunityFunds, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value-0.979-2.349-4.544-0.498
Percentage of CreditLossBilledRents-253.6-1025.8-687.4-185.8

akr:CreditLossBilledRents us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem

akr:Unconsolidated, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.4230.5610.9580.378
Percentage of CreditLossBilledRents109.6245.0144.9141.0

srt:ParentCompany, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value2.5262.7967.2851.238
Percentage of CreditLossBilledRents654.41221.01102.1461.9

us-gaap:NoncontrollingInterest, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value-0.962-2.366-4.509-0.498
Percentage of CreditLossBilledRents-249.2-1033.2-682.1-185.8

akr:CreditLossBilledRents us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

akr:CorePortfolio, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value1.8831.895.1580.832
Percentage of CreditLossBilledRents487.8825.3780.3310.4

akr:OpportunityFunds, akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value1.1822.7115.6780.526
Percentage of CreditLossBilledRents306.21183.8859.0196.3

akr:CreditLossBilledRents us-gaap:UnusualOrInfrequentItem

akr:CovidNineteen


Credit
Period End2021-03-312020-12-312020-09-302020-03-31
Value3.0654.601101.358
Percentage of CreditLossBilledRents794.02009.21639.3506.7

akr:CreditLossesAndRentAbatements us-gaap:UnusualOrInfrequentItem

akr:CreditLossesAndRentAbatements

akr:CovidNineteen


Credit
Period End2021-06-302020-06-30
Value0.09.4
Percentage of CreditLossesAndRentAbatements0.0100.0

akr:DeductionsFromRentReceivable

akr:DeductionsFromRentReceivable


Deductions
Period End2021-06-302021-03-31
Value3631000.01337000.0
Percentage of DeductionsFromRentReceivable100.0100.0

akr:DeductionsFromRentReceivable us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

akr:AllowanceForCreditLossBilledRents


Deductions
Period End2021-06-302021-03-31
Value1477000.01162000.0
Percentage of DeductionsFromRentReceivable40.786.9

akr:StraightLineRentReserve


Deductions
Period End2021-06-302021-03-31
Value2154000.0175000.0
Percentage of DeductionsFromRentReceivable59.313.1

akr:DevelopmentInProcessCapitalizedCosts

akr:DevelopmentInProcessCapitalizedCosts


Development
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3.081.766-2.8143.6142.6964.5662.601108.7183.36315119.8358.678-6.85
Percentage of DevelopmentInProcessCapitalizedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

akr:DevelopmentInProcessCapitalizedCosts us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments

akr:FundII, akr:FundPortfolio


Development
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.4490.5350.9811.7490.2660.6161.6150.3720.5160.7381.423
Percentage of DevelopmentInProcessCapitalizedCosts14.630.3-34.948.49.913.562.13.45.921.99.1

akr:FundIII, akr:FundPortfolio


Development
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.2690.277-1.0010.1790.320.5720.7160.5230.8040.6428.993
Percentage of DevelopmentInProcessCapitalizedCosts8.715.735.65.011.912.527.54.89.219.157.5

akr:FundIV, akr:FundPortfolio


Development
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.0730.021-2.7230.6241.0012.4664.3525.7222.2691.73-0.609
Percentage of DevelopmentInProcessCapitalizedCosts67.31.296.817.337.154.0167.352.526.051.4-3.9

akr:DevelopmentInProcessCapitalizedCosts us-gaap:StatementBusinessSegments

akr:CorePortfolio


Development
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.2890.933-0.0711.0621.1090.912-4.0824.2815.1290.2535.831-3.5071.8372.159-3.033
Percentage of DevelopmentInProcessCapitalizedCosts9.452.82.529.441.120.0-156.939.358.87.537.3-29.918.724.944.3

akr:DevelopmentInProcessTransfersIn

akr:DevelopmentInProcessTransfersIn


Development
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value330.0330.00.523389.166690.00.00.00.016
Percentage of DevelopmentInProcessTransfersIn100.00.0100.00.0100.0100.0100.0100.00.00.00.00.0100.0

akr:DevelopmentInProcessTransfersIn us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments

akr:FundII, akr:FundPortfolio


Development
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value330.0330.00.00.00.00.00.0
Percentage of DevelopmentInProcessTransfersIn100.00.0100.00.00.00.00.00.00.0

akr:DevelopmentInProcessTransfersOut

akr:DevelopmentInProcessTransfersOut


Development
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value49-14.777-51.890.0-8.9-20.1370.0-9.8190.00.0-84.728-14.5440.00.072
Percentage of DevelopmentInProcessTransfersOut100.0100.0100.00.0100.0100.00.0100.00.00.0100.0100.00.00.0100.0

akr:DevelopmentInProcessTransfersOut us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments

akr:FundII, akr:FundPortfolio


Development
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.00.0-5.484-0.9860.00.00.00.00.0
Percentage of DevelopmentInProcessTransfersOut-0.00.061.64.90.0-0.00.00.0-0.0

akr:FundIII, akr:FundPortfolio


Development
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.8740.0-1.612-12.4330.00.00.00.0-78.814
Percentage of DevelopmentInProcessTransfersOut-1.70.018.161.70.0-0.00.00.093.0

akr:FundIV, akr:FundPortfolio


Development
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value11-0.22-52.7640.0-1.804-6.7180.00.00.00.00.0
Percentage of DevelopmentInProcessTransfersOut23.51.5101.70.020.333.40.0-0.00.00.0-0.0

akr:DevelopmentInProcessTransfersOut us-gaap:StatementBusinessSegments

akr:CorePortfolio


Development
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value37-14.5570.00.00.0-9.8190.00.0-5.914-14.5440.00.0-0.598
Percentage of DevelopmentInProcessTransfersOut76.598.5-0.0-0.00.0100.00.00.07.0100.00.00.0-0.8

akr:DistributionsOfOperatingIncomeFromUnconsolidatedAffiliates

akr:DistributionsOfOperatingIncomeFromUnconsolidatedAffiliates


Distributions
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.9970.390.4570.6230.3081.8982.6193.2763.3242.0542.65
Percentage of DistributionsOfOperatingIncomeFromUnconsolidatedAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

akr:ExistingInterestInPreviouslyUnconsolidatedInvestment

akr:ExistingInterestInPreviouslyUnconsolidatedInvestment


Existing
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.00.00.00.00.00.035
Percentage of ExistingInterestInPreviouslyUnconsolidatedInvestment0.00.00.00.00.00.0100.0

akr:FinanceLeaseCostSubtotal

akr:FinanceLeaseCostSubtotal


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value322000.0321000.0319000.0318000.01086000.01507000.001543000.01476000.01339000.0
Percentage of FinanceLeaseCostSubtotal100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

akr:FundPortfolioAnnualizedBaseRentsForStoresAssumedTheirLocations

akr:FundPortfolioAnnualizedBaseRentsForStoresAssumedTheirLocations


Fund
Period End2021-03-31
Value100000.0
Percentage of FundPortfolioAnnualizedBaseRentsForStoresAssumedTheirLocations100.0

akr:FundPortfolioAnnualizedBaseRentsForStoresOfBankruptcies

akr:FundPortfolioAnnualizedBaseRentsForStoresOfBankruptcies


Fund
Period End2021-03-312020-12-31
Value600000.0-1000000.0
Percentage of FundPortfolioAnnualizedBaseRentsForStoresOfBankruptcies100.0100.0

akr:FundPortfolioAnnualizedBaseRentsForStoresOfBankruptciesPercentage

akr:FundPortfolioAnnualizedBaseRentsForStoresOfBankruptciesPercentage


Fund
Period End2021-03-312020-12-31
Value2.7-4.5
Percentage of FundPortfolioAnnualizedBaseRentsForStoresOfBankruptciesPercentage100.0100.0

akr:IncreaseDecreaseInOperatingLeaseLiabilities

akr:IncreaseDecreaseInOperatingLeaseLiabilities


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value-1039000.0-494000.0-431000.0-376000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiabilities100.0100.0100.0100.0

akr:InvestmentsInAndAdvancesToUnconsolidatedAffiliatesAndOther

akr:InvestmentsInAndAdvancesToUnconsolidatedAffiliatesAndOther


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2.2511.7250.6290.3921.7451.525-2.975545048-0.321.216
Percentage of InvestmentsInAndAdvancesToUnconsolidatedAffiliatesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

akr:LesseeOperatingLeaseTerminationCost us-gaap:Ownership

akr:LesseeOperatingLeaseTerminationCost

akr:FundIV


Lessee
Period End2021-06-30
Value3600000.0
Percentage of LesseeOperatingLeaseTerminationCost100.0

akr:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipShareOfCapital us-gaap:Ownership

akr:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipShareOfCapital

akr:FundIII


Limited
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value024.5400.24540.24540
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipShareOfCapital0.0100.00.0100.0100.00.0

akr:FundIV


Limited
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value023.1200.23120.23120
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipShareOfCapital0.094.20.094.294.20.0

akr:FundIiAndMervynsIi


Limited
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value028.3300.28330.28330
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipShareOfCapital0.0115.40.0115.4115.40.0

akr:FundV


Limited
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value020.100.2010.2010
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipShareOfCapital0.081.90.081.981.90.0

akr:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersPreferredReturn us-gaap:Ownership

akr:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersPreferredReturn

akr:FundIII


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value06.005.9400.060
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersPreferredReturn0.0100.00.0100.00.0100.00.0

akr:FundIV


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value06.005.9400.060
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersPreferredReturn0.0100.00.0100.00.0100.00.0

akr:FundIiAndMervynsIi


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value08.007.9200.080
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersPreferredReturn0.0133.30.0133.30.0133.30.0

akr:FundV


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value06.005.9400.060
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersPreferredReturn0.0100.00.0100.00.0100.00.0

akr:LongTermIncentiveAndShareBasedCompensationExpense us-gaap:AwardType

akr:LongTermIncentiveAndShareBasedCompensationExpense

akr:LtipUnitsAndRestrictedStock


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2.02.72.12.12.12.13.41.71.81.92.12.02.12.21.92.02.52.01.85.41.81.91.61.71.71.81.61.61.61.43.51.31.31.30.90.90.90.9
Percentage of LongTermIncentiveAndShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

akr:NoncashDistributionDeclaredAndPayable

akr:NoncashDistributionDeclaredAndPayable


Noncash
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.32113-26.69326
Percentage of NoncashDistributionDeclaredAndPayable100.0100.0100.0100.0

akr:NoncashLeaseExpense

akr:NoncashLeaseExpense


Noncash
Period End2021-06-302021-03-312020-06-302020-03-31
Value1025000.01041000.0749000.0619000.0
Percentage of NoncashLeaseExpense100.0100.0100.0100.0

akr:NotesReceivableCollateralPercentage us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

akr:NotesReceivableCollateralPercentage

akr:LUFPortfolio


Notes
Period End2020-12-312020-02-01
Value050.0
Percentage of NotesReceivableCollateralPercentage0.0100.0

akr:NotesReceivableModificationsReductionInOutstandingAmount us-gaap:ConsolidatedEntities, us-gaap:SubsequentEventType

akr:NotesReceivableModificationsReductionInOutstandingAmount

akr:FundII, us-gaap:SubsequentEvent


Notes
Period End2020-11-02
Value10000000.0
Percentage of NotesReceivableModificationsReductionInOutstandingAmount100.0

akr:NumberOfRentConcessionAgreements us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem

akr:NumberOfRentConcessionAgreements

us-gaap:SubsequentEvent, akr:CovidNineteen


Number
Period End2021-01-312020-10-312020-07-31
Value13.018.018.0
Percentage of NumberOfRentConcessionAgreements100.0100.0100.0

akr:NumberOfRentConcessionAgreements us-gaap:UnusualOrInfrequentItem

akr:CovidNineteen


Number
Period End2020-12-312020-06-30
Value51.098.0
Percentage of NumberOfRentConcessionAgreements0.00.0

akr:NumberOfRentConcessionAgreementsForRentDeferral us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem

akr:NumberOfRentConcessionAgreementsForRentDeferral

us-gaap:SubsequentEvent, akr:CovidNineteen


Number
Period End2021-01-312020-10-312020-07-31
Value5.09.010.0
Percentage of NumberOfRentConcessionAgreementsForRentDeferral100.0100.0100.0

akr:NumberOfRentConcessionAgreementsForRentForgiveness us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem

akr:NumberOfRentConcessionAgreementsForRentForgiveness

us-gaap:SubsequentEvent, akr:CovidNineteen


Number
Period End2021-01-312020-10-312020-07-31
Value8.09.08.0
Percentage of NumberOfRentConcessionAgreementsForRentForgiveness100.0100.0100.0

akr:PartnersCapitalAccountRecallableDistributions us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

akr:PartnersCapitalAccountRecallableDistributions

srt:ParentCompany, akr:MervynsTwo


Partners
Period End2021-03-312020-08-31
Value154.5
Percentage of PartnersCapitalAccountRecallableDistributions100.0100.0

akr:PartnersCapitalAccountRecallableDistributions us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

akr:MervynsTwo


Partners
Period End2021-03-312020-08-31
Value3.015
Percentage of PartnersCapitalAccountRecallableDistributions19.1348.9

akr:PercentageOfAnnualBaseRent

akr:PercentageOfAnnualBaseRent


Percentage
Period End2021-03-312020-12-312020-09-30
Value0.6-1.01.886
Percentage of PercentageOfAnnualBaseRent100.0100.0100.0

akr:PercentageOfAnnualBaseRent us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem

akr:CorePortfolio, us-gaap:SubsequentEvent, akr:CovidNineteen


Percentage
Period End2021-01-312020-10-312020-07-31
Value0.91.90.033
Percentage of PercentageOfAnnualBaseRent0.00.00.0

akr:FundPortfolio, us-gaap:SubsequentEvent, akr:CovidNineteen


Percentage
Period End2021-01-312020-10-312020-07-31
Value0.85.20.025
Percentage of PercentageOfAnnualBaseRent0.00.00.0

akr:PercentageOfCorePortfolioAnnualizedBaseRentsForStoresRejectedLease

akr:PercentageOfCorePortfolioAnnualizedBaseRentsForStoresRejectedLease


Percentage
Period End2021-03-31
Value0.1
Percentage of PercentageOfCorePortfolioAnnualizedBaseRentsForStoresRejectedLease100.0

akr:PercentageOfFundPortfolioAnnualizedBaseRentsForStoresAssumedTheirLocations

akr:PercentageOfFundPortfolioAnnualizedBaseRentsForStoresAssumedTheirLocations


Percentage
Period End2021-03-31
Value0.1
Percentage of PercentageOfFundPortfolioAnnualizedBaseRentsForStoresAssumedTheirLocations100.0

akr:PercentageOfPromoteAwardedAsShareBasedCompensationAward us-gaap:ConsolidatedEntities, us-gaap:PlanName

akr:PercentageOfPromoteAwardedAsShareBasedCompensationAward

akr:FundIII, akr:LongTermInvestmentAlignmentProgram


Percentage
Period End2021-03-31
Value25.0
Percentage of PercentageOfPromoteAwardedAsShareBasedCompensationAward100.0

akr:FundIV, akr:LongTermInvestmentAlignmentProgram


Percentage
Period End2021-03-31
Value23.1
Percentage of PercentageOfPromoteAwardedAsShareBasedCompensationAward92.4

akr:FundV, akr:LongTermInvestmentAlignmentProgram


Percentage
Period End2021-03-31
Value8.4
Percentage of PercentageOfPromoteAwardedAsShareBasedCompensationAward33.6

akr:ProRataCoreLeasedOccupancyRatePercentage

akr:ProRataCoreLeasedOccupancyRatePercentage


Pro
Period End2020-09-302020-06-302020-03-31
Value90.167-0.0060.939
Percentage of ProRataCoreLeasedOccupancyRatePercentage100.0100.0100.0

akr:ProRataCoreLeasedOccupancyRatePercentage us-gaap:UnusualOrInfrequentItem

akr:CovidNineteen


Pro
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.491.0-0.2-2.2-0.693.9
Percentage of ProRataCoreLeasedOccupancyRatePercentage0.00.00.0-2.410000.010000.0

akr:ProRataFundLeasedOccupancyRatePercentage

akr:ProRataFundLeasedOccupancyRatePercentage


Pro
Period End2020-09-302020-06-302020-03-31
Value88.889-0.0210.932
Percentage of ProRataFundLeasedOccupancyRatePercentage100.0100.0100.0

akr:ProRataFundLeasedOccupancyRatePercentage us-gaap:UnusualOrInfrequentItem

akr:CovidNineteen


Pro
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value089.0-1.5-1.3-2.193.2
Percentage of ProRataFundLeasedOccupancyRatePercentage0.00.00.0-1.510000.010000.0

akr:ProceedsFromRepaymentsOfNotesReceivable

akr:ProceedsFromRepaymentsOfNotesReceivable


Proceeds
Period End2020-09-302020-06-302020-03-312019-09-30
Value0.00.0-59.00.0
Percentage of ProceedsFromRepaymentsOfNotesReceivable0.00.0100.00.0

akr:ProceedsFromSaleOfRealEstateHeldForInvestmentGross us-gaap:ConsolidatedEntities, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification

akr:ProceedsFromSaleOfRealEstateHeldForInvestmentGross

akr:CorePortfolio, akr:A60OrangeStBloomfieldNJ, us-gaap:DiscontinuedOperationsDisposedOfBySale


Proceeds
Period End2021-06-302021-03-31
Value0.016
Percentage of ProceedsFromSaleOfRealEstateHeldForInvestmentGross0.0100.0

akr:FundIV, akr:AirportMallParcelBangorME, us-gaap:DiscontinuedOperationsDisposedOfBySale


Proceeds
Period End2020-12-31
Value0.0
Percentage of ProceedsFromSaleOfRealEstateHeldForInvestmentGross0.0

akr:ProceedsFromSaleOfRealEstateHeldForInvestmentGross us-gaap:DisposalGroupClassification

us-gaap:DiscontinuedOperationsDisposedOfBySale


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-30
Value49166.7630.4
Percentage of ProceedsFromSaleOfRealEstateHeldForInvestmentGross0.0100.00.00.0

akr:PropertyOperatingExpensesAndRealEstateTaxes

akr:PropertyOperatingExpensesAndRealEstateTaxes


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value252426222723232323212122191924181719191411111612131613121213141111124.40614131212111111
Percentage of PropertyOperatingExpensesAndRealEstateTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

akr:PropertyOperatingExpensesAndRealEstateTaxes us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1413141217111211121111121010121010121111
Percentage of PropertyOperatingExpensesAndRealEstateTaxes55.954.855.557.165.349.752.347.952.654.754.854.352.956.249.355.956.967.356.880.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1111119.5399.542111112119.9549.535109.358.483128.1627.6816.2448.4622.903
Percentage of PropertyOperatingExpensesAndRealEstateTaxes44.145.244.542.934.750.347.752.147.445.345.245.747.143.850.744.143.132.743.220.0

akr:RentAbatements us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

akr:RentAbatements

akr:Unconsolidated, akr:CorePortfolio, akr:CovidNineteen


Rent
Period End2021-03-312020-12-312020-09-30
Value87000.0184000.075000.0
Percentage of RentAbatements100.0100.0100.0

akr:Unconsolidated, akr:OpportunityFunds, akr:CovidNineteen


Rent
Period End2021-03-312020-12-312020-09-30
Value7000.0056000.0
Percentage of RentAbatements8.00.074.7

srt:ParentCompany, akr:CorePortfolio, akr:CovidNineteen


Rent
Period End2021-03-312020-12-312020-09-30
Value843000.0997000.0762000.0
Percentage of RentAbatements969.0541.81016.0

srt:ParentCompany, akr:OpportunityFunds, akr:CovidNineteen


Rent
Period End2021-03-312020-12-312020-09-30
Value179000.034000.060000.0
Percentage of RentAbatements205.718.580.0

us-gaap:NoncontrollingInterest, akr:OpportunityFunds, akr:CovidNineteen


Rent
Period End2021-03-312020-12-312020-09-30
Value-611000.0-141000.0-240000.0
Percentage of RentAbatements-702.3-76.6-320.0

akr:RentAbatements us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem

akr:Unconsolidated, akr:CovidNineteen


Rent
Period End2021-03-312020-12-312020-09-30
Value94000.0184000.0131000.0
Percentage of RentAbatements108.0100.0174.7

srt:ParentCompany, akr:CovidNineteen


Rent
Period End2021-03-312020-12-312020-09-30
Value1022000.01031000.0822000.0
Percentage of RentAbatements1174.7560.31096.0

us-gaap:NoncontrollingInterest, akr:CovidNineteen


Rent
Period End2021-03-312020-12-312020-09-30
Value-611000.0-141000.0-240000.0
Percentage of RentAbatements-702.3-76.6-320.0

akr:RentAbatements us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

akr:CorePortfolio, akr:CovidNineteen


Rent
Period End2021-03-312020-12-312020-09-30
Value756000.0813000.0687000.0
Percentage of RentAbatements869.0441.8916.0

akr:OpportunityFunds, akr:CovidNineteen


Rent
Period End2021-03-312020-12-312020-09-30
Value783000.0175000.0244000.0
Percentage of RentAbatements900.095.1325.3

akr:RentAbatements us-gaap:UnusualOrInfrequentItem

akr:CovidNineteen


Rent
Period End2021-06-302021-03-312020-12-312020-09-30
Value861000.01539000.0988000.0931000.0
Percentage of RentAbatements0.01769.0537.01241.3

akr:RentAbatementsNegotiatedAndReservedInPriorPeriods us-gaap:UnusualOrInfrequentItem

akr:RentAbatementsNegotiatedAndReservedInPriorPeriods

akr:CovidNineteen


Rent
Period End2021-03-31
Value1200000.0
Percentage of RentAbatementsNegotiatedAndReservedInPriorPeriods100.0

akr:RentConcessionAggregateAmount us-gaap:SubsequentEventType, us-gaap:UnusualOrInfrequentItem

akr:RentConcessionAggregateAmount

us-gaap:SubsequentEvent, akr:CovidNineteen


Rent
Period End2020-10-31
Value1400000.0
Percentage of RentConcessionAggregateAmount100.0

akr:RepaymentsOfMortgageLoans us-gaap:ConsolidatedEntities, us-gaap:DisposalGroupClassification, us-gaap:SubsequentEventType

akr:RepaymentsOfMortgageLoans

akr:FundV, us-gaap:DiscontinuedOperationsDisposedOfBySale, us-gaap:SubsequentEvent


Repayments
Period End2021-01-04
Value7900000.0
Percentage of RepaymentsOfMortgageLoans100.0

akr:RepaymentsOfMortgageLoans us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

akr:SixtyOrangeStreet, us-gaap:DiscontinuedOperationsDisposedOfBySale, akr:CorePortfolio, us-gaap:SubsequentEvent


Repayments
Period End2021-01-29
Value6700000.0
Percentage of RepaymentsOfMortgageLoans0.0

akr:ReturnOfCapitalFromUnconsolidatedAffiliatesAndOther

akr:ReturnOfCapitalFromUnconsolidatedAffiliatesAndOther


Return
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.344.3775.6321.9032.1275.024671.936341.6352.5614.265
Percentage of ReturnOfCapitalFromUnconsolidatedAffiliatesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

akr:ReturnOfDepositsForPropertiesUnderContractNet

akr:ReturnOfDepositsForPropertiesUnderContractNet


Return
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-312017-06-302017-03-31
Value00-13000.0200000.01810000.0492000.02520000.0-1952000.001750000.0-1000000.00
Percentage of ReturnOfDepositsForPropertiesUnderContractNet0.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0

akr:ShareBasedCompensationGrantedForServiceVestingRateBeginningOnFirstAnniversaryOfGrantDate us-gaap:TitleOfIndividual, us-gaap:AwardType

akr:ShareBasedCompensationGrantedForServiceVestingRateBeginningOnFirstAnniversaryOfGrantDate

akr:Trustee, akr:LtipUnitsAndRestrictedStock


Share
Period End2021-03-312020-12-31
Value33.00
Percentage of ShareBasedCompensationGrantedForServiceVestingRateBeginningOnFirstAnniversaryOfGrantDate100.00.0

us-gaap:AcquisitionCosts

us-gaap:AcquisitionCosts


Acquisition
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value001000000.0300000.01200000.0800000.0200000.0400000.0100000.0100000.00100000.0
Percentage of AcquisitionCosts0.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease


Allowance
Period End2021-06-302021-03-31
Value-99800.0100000.0
Percentage of AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302017-12-312017-09-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-30
Value340.00.0510.00.3211.4103.840.00.00.00.00.05.00.00.00.00.00.01.50.00.00.0
Percentage of AssetImpairmentCharges100.00.00.0100.00.0100.0100.0100.0100.00.00.00.00.00.0100.00.00.00.00.00.0100.00.00.00.0

us-gaap:AssetImpairmentCharges us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

srt:ParentCompany, akr:OpportunityFunds, akr:CovidNineteen


Asset
Period End2020-12-312020-03-31
Value7.77512
Percentage of AssetImpairmentCharges22.824.1

us-gaap:NoncontrollingInterest, akr:OpportunityFunds, akr:CovidNineteen


Asset
Period End2020-12-312020-03-31
Value-25.855-39.149
Percentage of AssetImpairmentCharges-75.9-75.9

us-gaap:AssetImpairmentCharges us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem

srt:ParentCompany, akr:CovidNineteen


Asset
Period End2020-12-312020-03-31
Value8.19412
Percentage of AssetImpairmentCharges24.124.1

us-gaap:NoncontrollingInterest, akr:CovidNineteen


Asset
Period End2020-12-312020-03-31
Value-25.855-39.149
Percentage of AssetImpairmentCharges-75.9-75.9

us-gaap:AssetImpairmentCharges us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:OpportunityFunds


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302017-12-312017-09-30
Value330.00.0510.00.3211.4103.84
Percentage of AssetImpairmentCharges98.80.00.0100.00.0100.0100.0100.1100.0

us-gaap:AssetImpairmentCharges us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

akr:OpportunityFunds, akr:CovidNineteen


Asset
Period End2020-12-312020-03-31
Value3351
Percentage of AssetImpairmentCharges98.8100.0

us-gaap:AssetImpairmentCharges us-gaap:UnusualOrInfrequentItem

akr:CovidNineteen


Asset
Period End2020-12-312020-03-31
Value3451
Percentage of AssetImpairmentCharges100.0100.0

us-gaap:BelowMarketLeaseAcquired

us-gaap:BelowMarketLeaseAcquired


Below
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-31
Value0.00.03.21.40.94.33.01.80.13.0
Percentage of BelowMarketLeaseAcquired0.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:BusinessCombinationConsiderationTransferred1


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-03-31
Value0.00.015219631191083280590.046104704435230
Percentage of BusinessCombinationConsiderationTransferred10.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-03-31
Value0.00.00.00.1160.9691.9011.6360.161.5830.5890.00.4251.2020.9340.5640.6639.765
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred0.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value18-2.7774.143-18.566107.606-30.997145.8755.44412-9.053-20.775-33.80817-0.025-3.975-22.981
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths


Cash
Period End2021-06-302021-03-312020-12-31
Value500000.0-19700000.00
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths100.0100.00.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-02-272013-03-312012-12-312012-09-302012-06-302012-03-312011-11-292011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.1500.290.290.280.280.280.280.270.270.270.270.260.260.260.410.250.250.250.50.240.240.240.540.230.230.230.230.210.210.210.210.180.180.180.180.180.180.180.180.180.180.180.180.18
Percentage of CommonStockDividendsPerShareDeclared100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostMethodInvestmentsRealizedGains us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:CostMethodInvestmentsRealizedGains

akr:MervynsTwo


Cost
Period End2021-03-312020-12-312020-06-30
Value0.40.422
Percentage of CostMethodInvestmentsRealizedGains100.0100.0100.0

us-gaap:CostsAndExpensesRelatedParty us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:CostsAndExpensesRelatedParty

us-gaap:EquityMethodInvestee


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value300000.0400000.0300000.0400000.0400000.0900000.0300000.0300000.0300000.0300000.0900000.0400000.0400000.0500000.0600000.0500000.0400000.0500000.0-700000.0600000.0600000.0600000.0
Percentage of CostsAndExpensesRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CumulativeEffectOnRetainedEarningsNetOfTax1 us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:CumulativeEffectOnRetainedEarningsNetOfTax1

us-gaap:AccountingStandardsUpdate201613


Cumulative
Period End2020-09-302020-06-302020-03-31
Value00400000.0
Percentage of CumulativeEffectOnRetainedEarningsNetOfTax10.00.0100.0

us-gaap:CumulativeEffectOnRetainedEarningsNetOfTax1 us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

srt:AffiliatedEntity, us-gaap:NoncontrollingInterest


Cumulative
Period End2020-09-302020-06-302020-03-31
Value00-11000.0
Percentage of CumulativeEffectOnRetainedEarningsNetOfTax10.00.0-2.8

us-gaap:CumulativeEffectOnRetainedEarningsNetOfTax1 us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Cumulative
Period End2020-09-302020-06-302020-03-31
Value00-11000.0
Percentage of CumulativeEffectOnRetainedEarningsNetOfTax10.00.0-2.8

us-gaap:DebtInstrumentPeriodicPaymentPrincipal

us-gaap:DebtInstrumentPeriodicPaymentPrincipal


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value1900000.01500000.01200000.01500000.0
Percentage of DebtInstrumentPeriodicPaymentPrincipal100.0100.0100.0100.0

us-gaap:DebtInstrumentPeriodicPaymentPrincipal us-gaap:ConsolidatedEntities, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

akr:FundIV, akr:OneFourSixGearyStreetProperty, us-gaap:Mortgages, us-gaap:SubsequentEvent


Debt
Period End2021-07-21
Value3600000.0
Percentage of DebtInstrumentPeriodicPaymentPrincipal0.0

akr:FundV, akr:FairlaneGreenProperty, us-gaap:Mortgages, us-gaap:SubsequentEvent


Debt
Period End2021-07-07
Value6600000.0
Percentage of DebtInstrumentPeriodicPaymentPrincipal0.0

us-gaap:DebtInstrumentPeriodicPaymentPrincipal us-gaap:RealEstateProperties, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

us-gaap:ConsolidatedProperties, akr:FundIV, us-gaap:SubsequentEvent


Debt
Period End2020-10-31
Value8200000.0
Percentage of DebtInstrumentPeriodicPaymentPrincipal0.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value313148343333323230303028292827262624231514161517131313121111111010103.60510109.1418.368.3988.4497.6345.1578.6876.472
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1716221718171515151515141415141415161612
Percentage of DepreciationAndAmortization55.353.847.652.253.751.148.647.249.851.750.751.850.654.254.155.359.667.072.981.7

us-gaap:OperatingSegments, akr:OpportunityFunds


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value14142516151616161514151314131211108.0976.3142.789
Percentage of DepreciationAndAmortization44.746.252.447.846.348.951.452.850.248.349.348.249.445.845.944.740.433.027.118.3

us-gaap:DepreciationAndAmortization us-gaap:RelatedPartyTransactionsByRelatedParty

akr:UnconsolidatedAffiliates


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value5.6768.8016.4497.9476.617.0967.457.3215.7954.7924.8885.5025.8016.0555.4726.2086.0636.44911154.9843.884.3262.7912.7872.3072.5112.2753.4752.7062.7113.22.6082.0812.3352.5732.3712.2722.372.2222.3761.869
Percentage of DepreciationAndAmortization18.128.013.423.119.621.322.822.819.115.815.919.219.721.219.823.323.326.348.0101.234.023.027.516.020.016.918.517.730.023.424.630.623.819.664.824.823.424.928.326.528.124.5

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1213141116131313131211101210149.4179.3648.1978.5475.0555.1055.5378.1926.3046.1967.7316.8025.175.7377.1247.6395.0955.7815.6370.5297.7126.9136.9216.8067.3477.6547.4218.8996.8876.302
Percentage of DirectCostsOfLeasedAndRentedPropertyOrEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense

us-gaap:DisposalGroupNotDiscontinuedOperations


Disposal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-1.9790.090.0360.0440.2540.0161.8081.3220.180.0740.0210.5250.9470.876160.5235.5410.0-3.5661.0950.082
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue

us-gaap:DisposalGroupNotDiscontinuedOperations


Disposal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.5570.0820.0030.0150.10.0051.6431.0710.010.0430.0020.4510.7720.815100.5034.6210.0-3.8751.1221.442
Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value14130.1230.1230.12326272625242423232324232323362120193717171739141413131111119.678.7528.4778.0957.91437-22.5147.5057.42537
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1.0521.0480.1230.1230.1231.8491.8021.7651.7761.7811.7621.6921.7131.7211.6481.5981.591.6172.3551.4661.4591.4732.4411.1791.1771.1862.5371.0550.770.7230.650.3330.3330.3480.2510.280.280.2870.2461.23-0.7390.2470.170.934
Percentage of DividendsCommonStock7.37.5100.0100.0100.06.96.76.87.07.17.27.17.27.26.86.86.86.96.46.87.27.66.56.66.76.76.57.15.45.34.82.82.83.02.63.23.33.53.13.33.33.32.32.5

us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value13120.00.00.024252423232222222222212121342018173516161636131313121111119.4198.4728.1977.8087.66836-21.7757.2587.25536
Percentage of DividendsCommonStock92.792.50.00.00.093.193.393.293.092.992.892.992.892.893.293.293.293.193.693.292.892.493.593.493.393.393.592.994.694.795.297.297.297.097.496.896.796.596.996.796.796.797.797.5

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value13120.00.00.024252423232222222222212121342018173516161636131313121111119.4198.4728.1977.8087.66836-21.7757.2587.25536
Percentage of DividendsCommonStock92.792.50.00.00.093.193.393.293.092.992.892.992.892.893.293.293.293.193.693.292.892.493.593.493.393.393.592.994.694.795.297.297.297.097.496.896.796.596.996.796.796.797.797.5

us-gaap:DividendsCommonStockCash us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStockCash

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-1052000.01048000.0123000.0123000.0123000.01849000.01802000.01765000.01776000.01781000.01762000.01692000.01713000.01721000.01648000.01598000.01590000.01617000.02355000.01466000.01459000.01473000.0
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-1052000.01048000.0123000.0123000.0123000.01849000.01802000.01765000.01776000.01781000.01762000.01692000.01713000.01721000.01648000.01598000.01590000.01617000.02355000.01466000.01459000.01473000.0
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStockCash us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStockCash

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Dividends
Period End2020-09-30
Value123000.0
Percentage of DividendsPreferredStockCash100.0

us-gaap:DividendsPreferredStockCash us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Dividends
Period End2020-09-30
Value123000.0
Percentage of DividendsPreferredStockCash100.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss


Equity
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.01-0.4641.9482.4892.0064.2822.9952.9491.1365.895
Percentage of EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value97000.095000.094000.092000.0599000.0850000.00978000.0934000.0843000.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value070000.0208000.0625000.0624000.0625000.0875000.0625000.0
Percentage of FinanceLeasePrincipalPayments0.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value225000.0226000.0225000.0226000.0487000.0657000.00565000.0542000.0496000.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 us-gaap:ConsolidatedEntities

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1

akr:FundIII


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.010.00.00.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment10.0100.00.00.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

akr:CoreNote


Financing
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value210.00.30.321
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1216.00.00.00.00.0

us-gaap:FinitelivedIntangibleAssetsAcquired1 us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:AboveMarketLeases


Finitelived
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.00.10.31.50.40.00.60.91.10.10.6
Percentage of FinitelivedIntangibleAssetsAcquired10.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:LeasesAcquiredInPlace


Finitelived
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.0191.54.714142.9116.50.05.91211106.8
Percentage of FinitelivedIntangibleAssetsAcquired10.00.00.00.04700.04766.70.00.0786.71625.00.0983.31333.31081.810900.01133.3

us-gaap:GainLossOnDispositionOfAssets us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:GainLossOnDispositionOfAssets

akr:UnconsolidatedAffiliates


Gain
Period End2021-06-302021-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.03.2060.0-0.263-0.992-0.4181.1790.03.332140.112-1.4520.0
Percentage of GainLossOnDispositionOfAssets0.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0

us-gaap:GainLossOnSaleOfProperties

us-gaap:GainLossOnSaleOfProperties


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value5.9094.6120.1740.0240.48516120.02.0140.05.1070.0333512
Percentage of GainLossOnSaleOfProperties100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfProperties us-gaap:ConsolidatedEntities, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification

akr:CorePortfolio, akr:A60OrangeStBloomfieldNJ, us-gaap:DiscontinuedOperationsDisposedOfBySale


Gain
Period End2021-06-302021-03-31
Value0.04.612
Percentage of GainLossOnSaleOfProperties0.0100.0

akr:FundIV, akr:AirportMallParcelBangorME, us-gaap:DiscontinuedOperationsDisposedOfBySale


Gain
Period End2020-12-31
Value0.0
Percentage of GainLossOnSaleOfProperties0.0

us-gaap:GainLossOnSaleOfProperties us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Gain
Period End2021-06-302021-03-312020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value0.04.6120.0160.00.00.00.00.00.00.00.0
Percentage of GainLossOnSaleOfProperties0.0100.00.0103.20.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, akr:OpportunityFunds


Gain
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value5.9090.00.0240.485-0.517120.02.0140.05.1070.0333512
Percentage of GainLossOnSaleOfProperties100.00.0100.0100.0-3.2100.00.0100.00.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfProperties us-gaap:DisposalGroupClassification

us-gaap:DiscontinuedOperationsDisposedOfBySale


Gain
Period End2021-06-302021-03-312020-12-312020-09-30
Value5.1754.6120.1740.024
Percentage of GainLossOnSaleOfProperties87.6100.0100.0100.0

us-gaap:DisposalGroupNotDiscontinuedOperations


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value5.9094.6120.1740.0240.48516120.02.0140.05.1070.0333512
Percentage of GainLossOnSaleOfProperties100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfProperties us-gaap:Ownership

akr:FundIV


Gain
Period End2021-06-30
Value0.2
Percentage of GainLossOnSaleOfProperties3.4

us-gaap:GainLossOnTerminationOfLease us-gaap:Ownership

us-gaap:GainLossOnTerminationOfLease

akr:FundIV


Gain
Period End2021-06-30
Value700000.0
Percentage of GainLossOnTerminationOfLease100.0

us-gaap:GainLossRelatedToLitigationSettlement us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments

us-gaap:GainLossRelatedToLitigationSettlement

akr:BrandywinePortfolio, us-gaap:Mortgages, akr:CorePortfolio


Gain
Period End2020-10-30
Value30
Percentage of GainLossRelatedToLitigationSettlement100.0

us-gaap:GainLossRelatedToLitigationSettlement us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType

akr:BrandywinePortfolio, us-gaap:SubsequentEvent


Gain
Period End2020-10-30
Value30
Percentage of GainLossRelatedToLitigationSettlement100.0

us-gaap:ImpairmentOfInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementBusinessSegments

us-gaap:ImpairmentOfInvestments

akr:FifthWallVenturesRetailFundLP, akr:CorePortfolio


Impairment
Period End2020-12-31
Value400000.0
Percentage of ImpairmentOfInvestments100.0

us-gaap:ImpairmentOfInvestments us-gaap:StatementBusinessSegments

akr:CorePortfolio


Impairment
Period End2020-12-31
Value400000.0
Percentage of ImpairmentOfInvestments100.0

us-gaap:ImpairmentOfRealEstate us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments

us-gaap:ImpairmentOfRealEstate

akr:FundIV, akr:FundPortfolio


Impairment
Period End2020-12-31
Value16
Percentage of ImpairmentOfRealEstate100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest us-gaap:DisposalGroupClassification

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest

us-gaap:DisposalGroupNotDiscontinuedOperations


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-4.218-0.001-0.042-0.0160.231-0.012-0.538.675-0.0091.629-0.0133.54-0.496-0.077219.166-0.6460.0-6.0360.01814
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity us-gaap:DisposalGroupClassification

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:DisposalGroupNotDiscontinuedOperations


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.2694.6050.183-0.0040.10.001163.13-0.1610.354-0.0061.4930.3540.0167.773.776-0.2740.02.0470.0093.8
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.1062.263-1.082-0.624-0.7861.2551.7931.2993.5592.2712.2230.3765.0191.6842.3274.0014.341235-0.1021.741.9541.0932.1953.4066.5931.3412.9231.433.0295.1084.2090.8152.25-1.447-2.5384.591-0.056-1.473.110.063-0.148100.1430.08
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.669-1.129-0.662-0.784-1.071.6421.6981.7983.2542.272.2442.0051.7261.4261.3870.8050.9820.561.1061.495
Percentage of IncomeLossFromEquityMethodInvestments60.5-49.961.2125.6136.1130.894.7138.491.4100.0100.9533.234.484.759.620.122.64.43.1-1465.7

us-gaap:OperatingSegments, akr:OpportunityFunds


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.4373.392-0.420.160.284-0.3870.095-0.4990.3050.001-0.021-1.6293.2930.2580.943.1963.3581234-1.597
Percentage of IncomeLossFromEquityMethodInvestments39.5149.938.8-25.6-36.1-30.85.3-38.48.60.0-0.9-433.265.615.340.479.977.495.696.91565.7

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:PartnerTypeOfPartnersCapitalAccount

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember


Income
Period End2021-06-302020-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1.106-0.7862.2712.2230.3765.0191.6842.3274.0014.341235-0.1021.741.9541.0939.133206.5931.3411051.433.0295.1084.2090.8152.25-0.418-2.5384.591-0.056-1.473.110.063-0.148
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0416.1602.2100.0100.03618.8100.0100.0100.0100.0100.0100.028.9100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:RelatedPartyTransactionsByRelatedParty

akr:UnconsolidatedAffiliates


Income
Period End2021-03-312020-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2.2630.010.00.00.00.00.00.00.0660.00.00.0-0.3286.4971.2846.581-0.711-5.6611.3986.469-1.623-5.81713-1.370.958
Percentage of IncomeLossFromEquityMethodInvestments100.00.80.0-0.00.00.00.00.00.01011.00.00.00.0-10.8127.230.5807.5-31.6391.2-55.1140.92898.2395.7433.2-2174.6-647.3

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-0.8460.237-3.816-5.20714-2.3270.329-0.4646.428-4.6612.184-0.172-0.364-4.6749.504-5.94.8910.2732.102-3.3052.586-0.792-6.4543.911.3912.437-8.2253.612-1.912.507-0.2597.137-0.553-0.739-2.635-3.7053.057-2.365103.0562.134-1.057-3.4117.501
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-0.7333.8473.528-1.0520.16-6.8441.6052.428-1.431-7.0686.222-0.741-0.7811.461-2.729-0.736-1.8961.076269.278-0.295-8.8492.1510.4524.659-1.9082.8041.236-1.2860.345-4.032.2460.947-0.289-0.03-0.279-0.0411.0591.8460.304-0.047-3.0061.8041.433
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.346-1.859-1.467-2.7786.32-2.1072.073-1.688-8.9730.392.3082.977-0.3572.24-2.2255.306-2.3195.7360.0357.0965.427-0.881-10.7896.0270.087-8.015-0.4227.14-7.5930.0232.638.596-3.73115-8.9084.765-0.5583.4181.8675.262-7.7276.504-2.854-0.349
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndOtherIncome

us-gaap:InterestAndOtherIncome


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-09-302018-06-30
Value2.0541.72.1322.0952.9296.7824.1423.5133.289
Percentage of InterestAndOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidCapitalized

us-gaap:InterestPaidCapitalized


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.930.9020.841.6141.7182.9384.1563.1042.7512.5751.2591.531.3441.4921.2632.584.6575.0096.1735.1654.6565.1154.64.3823.7923.6733.43.155-0.3346.4292.7642.4852.281.6641.442.6080.4741.4331.2371.1491.2761.1881.3110.716
Percentage of InterestPaidCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.0541.71.8232.1322.0952.9291.7411.7484.1422.272.6923.5133.7375.4956.4610.0290.0170.0550.0220.0540.0570.1050.080.034-0.0540.1750.153
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:StructuredFinancing


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-30
Value2.0541.71.8232.1322.0952.9291.7411.7482.272.6923.5133.7375.4956.461
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.5712.7082.7192.5812.8172.9170.02.9992.6081.907
Percentage of LeaseCost100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:LeaseIncome

us-gaap:LeaseIncome


Lease
Period End2021-06-302020-06-30
Value7463
Percentage of LeaseIncome100.0100.0

us-gaap:LeaseIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Lease
Period End2021-06-302020-06-30
Value4638
Percentage of LeaseIncome61.660.5

us-gaap:OperatingSegments, akr:OpportunityFunds


Lease
Period End2021-06-302020-06-30
Value2825
Percentage of LeaseIncome38.439.5

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest us-gaap:ConsolidatedEntities, us-gaap:Ownership, us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest

akr:BrandywinePortfolio, akr:AcadiaOperatingPartnerships, us-gaap:Mortgages, akr:CorePortfolio


Limited
Period End2020-10-30
Value77.78
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest100.0

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest us-gaap:Ownership

akr:FundIII


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value024.54024.29500.24540
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest0.00.00.00.00.00.00.0

akr:FundIV


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value023.12022.88900.23120
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest0.00.00.00.00.00.00.0

akr:FundIiAndMervynsIi


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value028.33028.04700.28330
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest0.00.00.00.00.00.00.0

akr:FundV


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value020.1019.89900.2010
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest0.00.00.00.00.00.00.0

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest us-gaap:Ownership, us-gaap:PartnerTypeOfPartnersCapitalAccount

akr:AcadiaOperatingPartnerships, akr:OperatingPartnershipAsGeneralPartnerOrManagingMember


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.094.0094.050.010.940.01
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest0.00.00.00.00.00.00.0

us-gaap:MortgageLoansOnRealEstateCostOfMortgagesSold us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementBusinessSegments

us-gaap:MortgageLoansOnRealEstateCostOfMortgagesSold

akr:BrandywinePortfolio, akr:CorePortfolio


Mortgage
Period End2021-01-042020-04-012018-03-282017-05-01
Value38382216
Percentage of MortgageLoansOnRealEstateCostOfMortgagesSold100.0100.0100.0100.0

us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome

us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome


New
Period End2020-09-302020-06-302020-03-31
Value00-400000.0
Percentage of NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome0.00.0100.0

us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


New
Period End2020-09-302020-06-302020-03-31
Value00-11000.0
Percentage of NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome0.00.02.8

us-gaap:Parent


New
Period End2020-09-302020-06-302020-03-31
Value00-389000.0
Percentage of NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome0.00.097.2

us-gaap:RetainedEarnings


New
Period End2020-09-302020-06-302020-03-31
Value00-389000.0
Percentage of NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome0.00.097.2

us-gaap:NoncashOrPartNoncashAcquisitionPayablesAssumed1

us-gaap:NoncashOrPartNoncashAcquisitionPayablesAssumed1


Noncash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value000116000.0969000.01901000.01637000.0159000.01583000.0589000.00425000.012000.0234000.01265000.0662000.01778000.01809000.0000
Percentage of NoncashOrPartNoncashAcquisitionPayablesAssumed10.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination


Noncontrolling
Period End2020-12-312020-09-302020-06-30
Value0.00.00.588
Percentage of NoncontrollingInterestIncreaseFromBusinessCombination0.00.0100.0

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments

akr:BrandywinePortfolio, us-gaap:Mortgages, akr:CorePortfolio


Noncontrolling
Period End2020-10-30
Value15
Percentage of NoncontrollingInterestIncreaseFromBusinessCombination0.0

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

srt:AffiliatedEntity, us-gaap:NoncontrollingInterest


Noncontrolling
Period End2020-12-312020-09-302020-06-30
Value150.00.588
Percentage of NoncontrollingInterestIncreaseFromBusinessCombination0.00.0100.0

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2020-12-312020-09-302020-06-30
Value150.00.588
Percentage of NoncontrollingInterestIncreaseFromBusinessCombination0.00.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest

us-gaap:NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.86811158.427217.2680.01290.0320.57406.55640.0170.23620904711146
Percentage of NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

srt:AffiliatedEntity, us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value5.86811158.427217.2680.01290.0320.57406.55640.017
Percentage of NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.86811158.427217.2680.01290.0320.57406.55640.0170.23620904711146
Percentage of NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2230000.02286000.02284000.02258000.01725000.01394000.001394000.01107000.0536000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeaseLeaseIncomeLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value746767506270767269731035151
Percentage of OperatingLeaseLeaseIncomeLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncomeLeasePayments us-gaap:ProductOrService

akr:RentalIncome


Operating
Period End2021-06-302020-06-30
Value7362
Percentage of OperatingLeaseLeaseIncomeLeasePayments98.7100.0

us-gaap:RealEstateOther


Operating
Period End2021-06-302020-06-30
Value0.9941.134
Percentage of OperatingLeaseLeaseIncomeLeasePayments1.31.8

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OperatingLeaseVariableLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value1414151412141413131310
Percentage of OperatingLeaseVariableLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value10338.2080.952-8.621-74.77415-15.388-22.652-13.306-15.2353.9732.955.6533.286-0.644-2.1260.118111.474
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-5324000.0-5317000.0-5605000.0-5506000.0-3115000.0-977000.0-502000.0288000.0535000.0551000.0346000.055000.0-109000.0-363000.0-680000.0-734000.0-930000.0-963000.0-1180000.0-1210000.0-1140000.0-1046000.0-1046000.0-1026000.0-2399000.0-1053000.0-1042000.0-961000.0-936000.0-837000.0-760000.0-795000.0-745000.0-592000.0-304000.0-681000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-53000.0-53000.0-63000.0-63000.0-42000.0-7000.01000.016000.023000.022000.013000.09000.0-9000.0-10000.0-25000.0-29000.0-38000.0-49000.0-57000.0-59000.0-58000.0-49000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax1.01.01.11.11.30.7-0.25.64.34.03.816.48.32.83.74.04.15.14.84.95.14.7

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

srt:AffiliatedEntity, us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1808000.0-1848000.0-2032000.0-2042000.0-1125000.0-265000.0-23000.024000.0-1000.0-53000.0-96000.0-90000.0-84000.0-127000.0-141000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax34.034.836.337.136.127.1-8.04.5-0.2-15.3-174.582.623.118.719.2

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-1861000.0-1901000.0-2095000.0-2105000.0-1167000.0-272000.0-141000.0-7000.047000.021000.0-40000.0-87000.0-99000.0-94000.0-152000.0-170000.0-223000.0-141000.0-170000.0-139000.0-142000.0-145000.0-148000.0-153000.0-1274000.0-360000.0-1648000.0-65000.0614000.00-250000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax35.035.837.438.237.527.828.1-2.48.83.8-11.6-158.290.825.922.423.224.014.614.411.512.513.914.114.953.134.2158.26.8-65.6-0.032.9

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-10.073338.2080.952-8.621-74.77415-15.388-22.652-13.306-15.2353.9732.955.6533.286-0.644-2.1240.118111.474-5.279-8.8192.267-5.6712.644-4.319-3.872-0.081-2.782-2.3291.363-0.8574.196-1.0920.351-1.315-2.6120.057-0.402-3.652-1.25-0.307-0.347-0.609
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-0.4061.90.5590.183-0.31-3.1410.787-0.864-1.127-0.694-0.7540.1970.1540.2740.1530.003-0.0920.0210.5970.072-0.276-0.436
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax4.05.76.819.23.64.25.05.65.05.24.95.05.24.84.7-0.54.317.85.04.95.24.9

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

srt:AffiliatedEntity, us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.2572.1430.177-0.166-1.869-16.3882.284-0.251-3.464-1.605-2.1160.5050.0440.8860.494-0.05
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax2.66.42.2-17.421.721.914.61.615.312.113.912.71.515.715.07.8

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-0.6634.0430.7360.017-2.179-19.5293.071-1.115-4.591-2.299-2.870.7020.1981.160.647-0.047-0.451-0.2960.9420.169-0.528-0.9140.282-0.7380.225-0.783-2.0270.2970.4360.047-0.005-0.3230.515-0.118-0.046-0.597-0.994-0.067-0.206-1.19-0.688-0.066-0.281-0.047
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax6.612.09.01.825.326.119.67.220.317.318.817.76.720.519.77.321.2-250.87.911.510.010.412.413.08.518.152.4-366.7-15.7-2.0-0.437.712.310.8-13.145.438.1-117.551.232.655.021.581.07.7

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1.8152.3125.830.1431.6731.1073.8230.8250.3656.6145.4371.8812.5611.8892.1750.814.7172.9082.5181.7651.7812.0311.5152.4581.2991.3462.0410.3691.0890.6481.1730.8951.2271.476-0.3950.317-0.181-0.4722.099-4.8743.86-1.5572.284-5.297
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountContributions us-gaap:Ownership

us-gaap:PartnersCapitalAccountContributions

akr:FundIII


Partners
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value0.04487.84404400.0
Percentage of PartnersCapitalAccountContributions0.0100.0100.0100.0100.00.0

akr:FundIV


Partners
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value6.8481124574430.0
Percentage of PartnersCapitalAccountContributions0.0107.4159.0103.8100.80.0

akr:FundIiAndMervynsIi


Partners
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value0.83720.03623470.0
Percentage of PartnersCapitalAccountContributions0.083.20.082.278.80.0

akr:FundV


Partners
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value0.02170.0213213-45.3
Percentage of PartnersCapitalAccountContributions0.048.40.048.448.40.0

us-gaap:PartnersCapitalAccountDistributions us-gaap:Ownership

us-gaap:PartnersCapitalAccountDistributions

akr:FundIII


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.05680.00.00.05680.0
Percentage of PartnersCapitalAccountDistributions0.0100.00.00.00.0100.00.0

akr:FundIV


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.01930.00.00.019321
Percentage of PartnersCapitalAccountDistributions0.033.90.00.00.033.90.0

akr:FundIiAndMervynsIi


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.01690.0230.01460.0
Percentage of PartnersCapitalAccountDistributions0.029.90.00.00.025.80.0

akr:FundV


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.4313.74.21.7159.1
Percentage of PartnersCapitalAccountDistributions0.05.50.00.00.02.60.0

us-gaap:PaymentOfFinancingAndStockIssuanceCosts

us-gaap:PaymentOfFinancingAndStockIssuanceCosts


Payment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.3740.3330.6760.6750.7380.2222.750.0230.8133.3340.9030.1310.3632.8221.2240.922.3661.7016.392.2642.5490.4751.2210.4091.5141.2321.5520.0871.1120.9210.723-0.2111.2319.9980.0883.0983.0160.570.0421.5670.7560.5121.8572.028
Percentage of PaymentOfFinancingAndStockIssuanceCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForLeasingCosts

us-gaap:PaymentsForLeasingCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1642000.01438000.02557000.0537000.02122000.02763000.01177000.02043000.02282000.01549000.03125000.01336000.0511000.01134000.0-179000.0
Percentage of PaymentsForLeasingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesGross


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.02.1219631171063243580.04662574634
Percentage of PaymentsToAcquireBusinessesGross0.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToDevelopRealEstateAssets

us-gaap:PaymentsToDevelopRealEstateAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value115.425127.4167.213112135192824231823
Percentage of PaymentsToDevelopRealEstateAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToDevelopRealEstateAssets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, akr:CorePortfolio


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2.6222.8433.6481.0793.8052.6383.665-7.817224.0339.777.5999.3475.94637
Percentage of PaymentsToDevelopRealEstateAssets23.452.429.114.552.819.831.5-35.963.520.334.231.339.332.8159.7

us-gaap:OperatingSegments, akr:OpportunityFunds


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value8.5732.5828.8866.3373.395107.96929131518161412-14.083
Percentage of PaymentsToDevelopRealEstateAssets76.647.670.985.547.280.268.5135.936.579.765.868.760.767.2-59.7

us-gaap:PaymentsToMinorityShareholders

us-gaap:PaymentsToMinorityShareholders


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value5.4026.83.043203.2644.91461313.4254.9991.83710162.411274.3612.2896.163313.1814565.0351429347.83415623335811153.0989817423.6977.1270.3550.8690.2540.2120.523
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDerivativeInstrumentFinancingActivities us-gaap:DerivativeInstrumentRisk

us-gaap:ProceedsFromDerivativeInstrumentFinancingActivities

us-gaap:Swap


Proceeds
Period End2021-06-302021-03-31
Value03400000.0
Percentage of ProceedsFromDerivativeInstrumentFinancingActivities0.0100.0

us-gaap:ProceedsFromDerivativeInstrumentFinancingActivities us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DerivativeInstrumentRisk

akr:NewTownePlaza, us-gaap:InterestRateSwap


Proceeds
Period End2021-01-31
Value3400000.0
Percentage of ProceedsFromDerivativeInstrumentFinancingActivities0.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value0.00.0-0.034-22.3529.748215109325.8532.47518256423-0.106245135528.0290.00.00.0
Percentage of ProceedsFromIssuanceOfCommonStock0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ProceedsFromIssuanceOfSecuredDebt

us-gaap:ProceedsFromIssuanceOfSecuredDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value5.0093.8091.7382.1832.6510.6891425229101642.58724736215.4849381848201.945421-182.902991695539591302112779254219134754.2536573.0744811629
Percentage of ProceedsFromIssuanceOfSecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value480.5362133591228111724680709634447921479920507.84731341646758127
Percentage of ProceedsFromIssuanceOfUnsecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromMinorityShareholders


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value5.86811158.427217.2680.01290.0320.57406.550.0640.0170.241209047111460.5944.761300.05224.271228.7122111150.049146938740.0430.0121.6
Percentage of ProceedsFromMinorityShareholders100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyHeldForSale us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:ProceedsFromSaleOfPropertyHeldForSale

akr:Riverdale


Proceeds
Period End2021-01-04
Value10
Percentage of ProceedsFromSaleOfPropertyHeldForSale100.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value48156.7480.2578.618672.4739.7791127213470.00.0-0.0010.04510437432120.0190.0357.9770.00.0
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.00.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment us-gaap:ConsolidatedEntities, us-gaap:DisposalGroupClassification, us-gaap:SubsequentEventType

akr:FundV, us-gaap:DiscontinuedOperationsDisposedOfBySale, us-gaap:SubsequentEvent


Proceeds
Period End2021-01-04
Value10
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment0.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment us-gaap:ConsolidatedEntities, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification, us-gaap:SubsequentEventType

akr:FundIV, akr:AirportMallShawsNorthWindhamShawsWatervilleAndWellsPlazaProperties, us-gaap:DiscontinuedOperationsDisposedOfBySale, us-gaap:SubsequentEvent


Proceeds
Period End2021-04-02
Value40
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment0.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

akr:SixtyOrangeStreet, us-gaap:DiscontinuedOperationsDisposedOfBySale, akr:CorePortfolio, us-gaap:SubsequentEvent


Proceeds
Period End2021-01-29
Value16
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment0.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-1.8273.0658.4091.273
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0

us-gaap:RealEstateTaxExpense

us-gaap:RealEstateTaxExpense


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1211111010109.635109.8529.6039.184117.0318.9598.4848.8228.034107.636.1955.646.1656.526.1536.4196.2926.1575.6665.5695.675.1835.7955.6955.1962.9085.8615.2544.9424.8945.0034.7024.1384.3534.5234.144
Percentage of RealEstateTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-5324000.0-5317000.0-5605000.0-5506000.0-3115000.0-977000.0-502000.0288000.0535000.0551000.0346000.055000.0-109000.0-363000.0-680000.0-734000.0-940000.0-963000.0-1180000.0-1210000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLinesOfCredit us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:RepaymentsOfLinesOfCredit

akr:FundIV, akr:BridgeFacility, us-gaap:SubsequentEvent


Repayments
Period End2021-02-16
Value10.0
Percentage of RepaymentsOfLinesOfCredit100.0

us-gaap:RepaymentsOfLinesOfCredit us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:DebtInstrument

akr:FundIV, srt:ScenarioForecast, akr:BridgeFacility


Repayments
Period End2021-09-01
Value5.0
Percentage of RepaymentsOfLinesOfCredit0.0

us-gaap:RepaymentsOfLinesOfCredit us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments

akr:BridgeFacility, akr:FundIV


Repayments
Period End2021-06-302021-03-31
Value0.010.0
Percentage of RepaymentsOfLinesOfCredit0.00.0

us-gaap:RepaymentsOfLinesOfCredit us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification, us-gaap:StatementBusinessSegments

akr:SixtyOrangeStreet, us-gaap:DiscontinuedOperationsDisposedOfBySale, akr:CorePortfolio


Repayments
Period End2021-06-302021-03-31
Value0.06.7
Percentage of RepaymentsOfLinesOfCredit0.00.0

us-gaap:RepaymentsOfSecuredDebt

us-gaap:RepaymentsOfSecuredDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3220364.621121.4881.346441148.01412203.0264517598265.2366431717699290-95.69815730411.88293382973.138947359117683.5139442158.411947.444
Percentage of RepaymentsOfSecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfSecuredDebt us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

akr:FundIV, us-gaap:Mortgages, us-gaap:SubsequentEvent


Repayments
Period End2021-02-12
Value1.7
Percentage of RepaymentsOfSecuredDebt0.0

us-gaap:RepaymentsOfUnsecuredDebt

us-gaap:RepaymentsOfUnsecuredDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value69331253645.016915176124535998420133123694254537010160651090.0
Percentage of RepaymentsOfUnsecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

us-gaap:EquityMethodInvestee


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.10.10.10.10.10.1-0.40.20.30.20.30.30.30.30.30.40.30.40.30.30.40.1
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

akr:MervynsTwo, akr:Albertson


Revenue
Period End2020-09-30
Value0.0
Percentage of RevenueFromRelatedParties0.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-03-312020-12-312020-09-302019-12-312019-09-30
Value0.4120.01.6660.00.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.00.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

akr:LtipUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value036.2200-2.9627.6303.920.0227.55028.570032.490-35.3735.37
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.0100.00.00.0100.0100.00.0100.0100.0100.00.0100.00.00.0100.00.0100.0100.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value036.2200-8.12035.37-2.910.19035.37
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.0100.00.00.0-28.40.00.0-9.00.0-0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

akr:LtipUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0619.4200-5.625.2400-0.3133.09-0.260-0.2227.282.68-3.321.4630.98
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.00.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.4418.500-9.7923.4900-2.2730.8300-2.3125.9600-2.1832.03
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue2400.095.30.00.0174.893.10.00.0732.393.2-0.00.01050.095.20.0-0.0-149.3103.4

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

akr:LtipUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.47.10.00.00.47.20.00.00.18.43.70.00.38.8-0.10.0-0.88.2
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0100.00.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.50.20.00.00.30.20.00.00.40.20.00.00.10.70.00.00.30.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue125.02.80.00.075.02.80.00.0400.02.40.00.033.38.0-0.00.0-37.54.9

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

akr:LtipUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1.5428.200-0.1930.6300-1.2230.52-0.320-0.330.34-0.3100.2128.37
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.00.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-9.2826.1300-1.6229.3400-2.7529.8700-0.4231.21-0.4401.0729.84
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue602.692.70.00.0852.695.80.00.0225.497.9-0.00.0140.0102.9141.90.0509.5105.2

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

akr:PerformanceShares2019


Share
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value48.0020.7900.21
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.00.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

akr:PerformanceShares2019


Share
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.201.38600.014
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.00.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

akr:LtipUnitsAndRestrictedStock


Share
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value19.400-6.3225.1800-0.5433.04-0.240-0.3827.26-0.49-0.11.2831.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

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

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

akr:LtipUnits, akr:PerformancePeriodEndingDecember312021


Sharebased
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.6670000.6670000.667
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage100.00.00.00.0100.00.00.00.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:Vesting

akr:PerformancePeriodEndingDecember312021


Sharebased
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.3330000.3330000.333
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage49.90.00.00.049.90.00.00.049.9

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation us-gaap:AwardType

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation

akr:LtipUnitsAndRestrictedStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312014-09-302014-06-302014-03-31
Value0.1120.00.00.0100.00.011
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation100.0100.00.00.00.0100.00.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits

us-gaap:CommonStock


Stock
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value19000.000260000.0148000.058000.042000.033000.0175000.06000.047000.028000.038000.026000.020000.016000.025000.01000.031000.070000.0249000.020000.0163000.0010000.0161000.0001000.010000.06000.0102000.0
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value38.014000.03000.01000.015000.011000.00015000.05000.01000.0014000.09000.02000.01000.013000.07000.01000.01000.017000.09000.09000.003000.019000.022000.01000.00095000.000
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.0100.00.00.0

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-115000.0-294000.000-4072000.0-2472000.0-874000.0-720000.0-557000.0-2953000.0-111000.0-834000.0-481000.0-642000.0-455000.0-356000.0-292000.0-438000.0-17000.0-492000.0-1703000.0-5680000.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value115000.0294000.0004072000.02472000.0874000.0720000.0557000.02953000.0111000.0834000.0481000.0642000.0455000.0356000.0292000.0438000.017000.0492000.01703000.05679000.0796000.00561000.01094000.0914000.01619000.00648000.0001110000.0438000.03169000.00177000.02534000.07000.009000.040000.061000.01005000.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits-100.0-100.00.00.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-115000.0-294000.000-4072000.0-2472000.0-874000.0-720000.0-557000.0-2953000.0-111000.0-834000.0-481000.0-642000.0-455000.0-356000.0-292000.0-438000.0-17000.0-492000.0-1703000.0-5680000.0-796000.00-561000.0-1094000.0-914000.0-1619000.00-648000.000-1110000.0-438000.0-3169000.00-177000.0-2534000.0-7000.00-9000.0-40000.0-61000.0-1005000.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value115000.0294000.0004072000.02472000.0874000.0720000.0557000.02953000.0111000.0834000.0481000.0642000.0455000.0356000.0292000.0438000.017000.0492000.01703000.05680000.0796000.00561000.01094000.0914000.01619000.00648000.0001110000.0438000.03169000.00177000.02534000.07000.009000.040000.061000.01005000.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits-100.0-100.00.00.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.6244.5112.3612.4132.3173.8193.5961.9161.9883.4544.6162.2192.3013.8112.0262.1272.7674.2352.0125.6062.0574.0192.7072.0931.9661.8781.9062.0082.4112.1353.082.0121.2751.3050.9330.9250.8960.8860.8140.9951.3910.8320.9440.944
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

akr:OperatingPartnershipAsGeneralPartnerOrManagingMember, us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.3994.0492.1572.1812.1423.6483.4461.7681.8353.364.452.0822.1263.7161.7532.0422.5214.1411.7855.3811.7913.811
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures91.489.891.490.492.495.595.892.392.397.396.493.892.497.586.596.091.197.888.796.087.194.8

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.2250.4620.2040.2320.1750.1710.150.1480.1530.0940.1660.1370.1750.0950.2730.0850.2460.0940.2270.2250.2660.2081.120.3490.2820.170.3460.4480.8570.2810.2170.8050.0670.0530.0640.0390.0490.040.0920.1320.1250.1320.4990.499
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures8.610.28.69.67.64.54.27.77.72.73.66.27.62.513.54.08.92.211.34.012.95.241.416.714.39.118.222.335.513.27.040.05.34.16.94.25.54.511.313.39.015.952.952.9

us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.3994.0492.1572.1812.1423.6483.4461.7681.8353.364.452.0822.1263.7161.7532.0422.5214.1411.7855.3811.7913.8111.5871.7441.6841.7081.561.561.5541.8542.8631.2071.2081.2520.8690.8860.8470.8460.7210.8631.2660.70.4450.445
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures91.489.891.490.492.495.595.892.392.397.396.493.892.497.586.596.091.197.888.796.087.194.858.683.385.790.981.877.764.586.893.060.094.795.993.195.894.595.588.686.791.084.147.147.1

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.2250.4620.2040.2320.1750.1710.150.1480.1530.0940.1660.1370.1750.0950.2730.0850.2460.0940.2270.2250.2660.2081.120.3490.2820.170.3460.4480.8570.2810.2170.8050.0670.0530.0640.0390.0490.040.0930.1320.1250.1320.4990.499
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures8.610.28.69.67.64.54.27.77.72.73.66.27.62.513.54.08.92.211.34.012.95.241.416.714.39.118.222.335.513.27.040.05.34.16.94.25.54.511.413.39.015.952.952.9

us-gaap:StockRepurchasedDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-31
Value0001219000.000990000.01304000.0
Percentage of StockRepurchasedDuringPeriodShares0.00.00.0100.00.00.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.034220.0540.02332
Percentage of StockRepurchasedDuringPeriodValue0.00.0100.0100.0100.00.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.034220.0540.02331
Percentage of StockRepurchasedDuringPeriodValue0.00.0100.0100.0100.00.0100.099.9

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.00.0010.00.00.00.002
Percentage of StockRepurchasedDuringPeriodValue0.00.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.034220.0540.02331
Percentage of StockRepurchasedDuringPeriodValue0.00.0100.0100.0100.00.0100.099.9

us-gaap:StraightLineRent

us-gaap:StraightLineRent


Straight
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.6371.1281.761.128
Percentage of StraightLineRent100.0100.0100.0100.0

us-gaap:StraightLineRent us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments, us-gaap:UnusualOrInfrequentItem

akr:Unconsolidated, akr:CorePortfolio, akr:CovidNineteen


Straight
Period End2021-03-312020-12-312020-09-302020-03-31
Value-0.0290.0110.0480.22
Percentage of StraightLineRent-2.60.00.019.5

akr:Unconsolidated, akr:OpportunityFunds, akr:CovidNineteen


Straight
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.010.3740.7690.062
Percentage of StraightLineRent0.90.00.05.5

srt:ParentCompany, akr:CorePortfolio, akr:CovidNineteen


Straight
Period End2021-03-312020-12-312020-09-302020-03-31
Value-0.0381.4552.1092.964
Percentage of StraightLineRent-3.40.00.0262.8

srt:ParentCompany, akr:OpportunityFunds, akr:CovidNineteen


Straight
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.190.293.0520.065
Percentage of StraightLineRent16.80.00.05.8

us-gaap:NoncontrollingInterest, akr:CorePortfolio, akr:CovidNineteen


Straight
Period End2021-03-312020-12-312020-09-30
Value-0.0010.0-0.052
Percentage of StraightLineRent-0.10.00.0

us-gaap:NoncontrollingInterest, akr:OpportunityFunds, akr:CovidNineteen


Straight
Period End2021-03-312020-12-312020-09-302020-03-31
Value-0.645-1.001-8.789-0.22
Percentage of StraightLineRent-57.20.00.0-19.5

us-gaap:StraightLineRent us-gaap:ConsolidatedEntities, us-gaap:UnusualOrInfrequentItem

akr:Unconsolidated, akr:CovidNineteen


Straight
Period End2021-03-312020-12-312020-09-302020-03-31
Value-0.0190.3850.8170.282
Percentage of StraightLineRent-1.70.00.025.0

srt:ParentCompany, akr:CovidNineteen


Straight
Period End2021-03-312020-12-312020-09-302020-03-31
Value0.1521.7455.1613.029
Percentage of StraightLineRent13.50.00.0268.5

us-gaap:NoncontrollingInterest, akr:CovidNineteen