AIV


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
dei:LegalEntity

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
dei:LegalEntity

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
dei:LegalEntity

us-gaap:EarningsPerShareBasic
dei:LegalEntity

us-gaap:EarningsPerShareDiluted
dei:LegalEntity

us-gaap:EarningsPerShareBasicAndDiluted
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTax
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity

us-gaap:GeneralAndAdministrativeExpense
dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
dei:LegalEntity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit
dei:LegalEntity
us-gaap:InvestmentType

us-gaap:InterestExpense
dei:LegalEntity

us-gaap:NetIncomeLoss
dei:LegalEntity

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:OperatingExpenses
dei:LegalEntity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

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

us-gaap:OtherNonoperatingIncomeExpense
dei:LegalEntity

us-gaap:ProfitLoss
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:Revenues
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:Liabilities
dei:LegalEntity

us-gaap:LiabilitiesAndStockholdersEquity
dei:LegalEntity

us-gaap:StockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity

us-gaap:Land
dei:LegalEntity
us-gaap:BusinessAcquisition
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:OtherAssets
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:LongTermDebt
dei:LegalEntity

us-gaap:DeferredIncomeTaxLiabilitiesNet
dei:LegalEntity

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

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

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

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

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

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:AmortizationOfFinancingCosts
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetIncomeLoss
dei:LegalEntity

us-gaap:ProfitLoss
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:ShareBasedCompensation
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock
dei:LegalEntity
us-gaap:Ownership
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:DeferredTaxLiabilities
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:UnrecognizedTaxBenefits
us-gaap:BusinessAcquisition
aiv:AssetAcquisitionConsiderationTransferred
dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType
aiv:AssetAcquisitionPriceOfAcquisitionExpected
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
aiv:AssetAcquisitionPurchasePrice

aiv:CapitalExpendituresNetOfAccruedCapitalCosts
dei:LegalEntity

aiv:CashPaidOnRedemptionOfAimcoOperatingPartnership
us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransaction
aiv:CollateralizedByPortfolioOfAssets

aiv:CommitmentsRelatedToConstruction
us-gaap:SubsequentEventType, us-gaap:UnderlyingAssetClass
us-gaap:CreditDerivativesByContractType
aiv:CostOfDerivativeInstrument
us-gaap:VariableRate
aiv:DebtInstrumentBasisSpreadOnVariableRate2

aiv:DebtInstrumentDeemedRate

aiv:EffectOfChangesInOwnershipForConsolidatedEntities
us-gaap:StatementEquityComponents
us-gaap:Ownership, us-gaap:RelatedPartyTransactionsByRelatedParty
aiv:EquityMethodInvestmentOwnershipPercentageRetained

aiv:FinanceLeaseLeasesPayments
us-gaap:SubsequentEventType

aiv:FinanceLeaseLeasesPaymentsMonthly

aiv:FinancingLeasesIncomeStatementCarryingAmountAtLeaseInceptionExceedsFairValue

aiv:HoldersOfCommonOPUnitsEconomicInterest
us-gaap:RelatedPartyTransactionsByRelatedParty
aiv:ImpliedEquityValueContributedByCommunities
us-gaap:RelatedPartyTransactionsByRelatedParty
aiv:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesPerUnitOfRealEstateProperty
us-gaap:Collateral
aiv:LeaseConcessionForVariableLeaseIncome

aiv:LeaseCostCapitalized

aiv:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemableAndNonredeemable
dei:LegalEntity

aiv:OperatingIncomeLossProperty
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

aiv:OtherItemsIncludedInContinuingOperations
us-gaap:ConsolidationItems

aiv:OtherOperatingExpensesNotAllocatedToReportableSegment
us-gaap:ConsolidationItems
dei:LegalEntity
aiv:PartnersCapitalAccountAmortizationOfStockBasedCompensation
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
dei:LegalEntity
aiv:PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
dei:LegalEntity
aiv:PartnersCapitalDistributionsPaidToNoncontrollingInterestsInConsolidatedRealEstatePartnerships
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
dei:LegalEntity
aiv:PaymentOfDistributionsToGeneralPartnerAndSpecialLimitedPartner
dei:LegalEntity
aiv:PaymentOfDistributionsToLimitedPartners
dei:LegalEntity
aiv:PaymentsForRedemptionOfCommonAndPreferredUnits

aiv:PaymentsOnFinancingLeases
dei:LegalEntity

aiv:PaymentsToAcquirePurchasesOfCorporateAssetsInvestingActivities
dei:LegalEntity
us-gaap:Collateral
aiv:PercentageOfRevenueRepresentedByTenant

aiv:PropertyOperatingExpenses
dei:LegalEntity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents
aiv:RedemptionOfAimcoOperatingPartnershipUnitsAmount
us-gaap:StatementEquityComponents
aiv:RedemptionOfAimcoOperatingPartnershipUnitsShares

aiv:RedemptionOfOperatingPartnershipUnitsInExchangeForCash
dei:LegalEntity
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:StatementEquityComponents

aiv:SubleaseLeaseLiabilityIncomeDue

aiv:SubleaseLeaseLiabilityIncomeDueAfterYearFive

aiv:SubleaseLeaseLiabilityIncomeDueNextTwelveMonths

aiv:SubleaseLeaseLiabilityIncomeDueYearFive

aiv:SubleaseLeaseLiabilityIncomeDueYearFour

aiv:SubleaseLeaseLiabilityIncomeDueYearThree

aiv:SubleaseLeaseLiabilityIncomeDueYearTwo
us-gaap:RelatedPartyTransaction
aiv:VariableRateNonRecourseConstructionLoan

aiv:WriteOffOfStraightLineRentReceivables

us-gaap:AcquisitionCosts

us-gaap:AssetImpairmentCharges

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
dei:LegalEntity
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:CreditFacility, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:VariableRate
us-gaap:Ownership, us-gaap:VariableRate
us-gaap:Range, us-gaap:VariableRate
us-gaap:RelatedPartyTransaction
us-gaap:VariableRate

us-gaap:DepreciationAndAmortization
dei:LegalEntity
us-gaap:ConsolidatedEntities, us-gaap:Range
us-gaap:DistributionMadeToLimitedPartnerDistributionsPaidPerUnit

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:GainLossOnDispositionOfRealEstateDiscontinuedOperations
dei:LegalEntity
us-gaap:DisposalGroupClassification, us-gaap:RealEstateProperties

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

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
dei:LegalEntity

us-gaap:IncreaseDecreaseInOperatingCapital
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet
dei:LegalEntity
us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet

us-gaap:InvestmentIncomeInterest
dei:LegalEntity

us-gaap:InvestmentIncomeInvestmentExpense
dei:LegalEntity

us-gaap:InvestmentIncomeNet
dei:LegalEntity

us-gaap:LiabilitiesFairValueAdjustment
us-gaap:Ownership
us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
us-gaap:Ownership
us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:LongTermPurchaseCommitmentAmount
us-gaap:OtherCommitments

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest
dei:LegalEntity
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToParentDiluted
dei:LegalEntity
us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType
us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

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

us-gaap:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemable
dei:LegalEntity

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable
us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable
dei:LegalEntity
us-gaap:NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsNonredeemable
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable
dei:LegalEntity

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

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncomeLeasePayments
us-gaap:SubsequentEventType

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
dei:LegalEntity

us-gaap:OtherCostAndExpenseOperating
dei:LegalEntity
us-gaap:RestructuringCostAndReserve

us-gaap:OtherNoncashIncomeExpense
dei:LegalEntity

us-gaap:OtherPaymentsToAcquireBusinesses

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
dei:LegalEntity
dei:LegalEntity
us-gaap:PartnersCapitalAccountDistributions
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
dei:LegalEntity
us-gaap:PartnersCapitalAccountRedemptions
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
dei:LegalEntity
us-gaap:PartnersCapitalAccountTreasuryUnitsPurchases
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount
dei:LegalEntity
us-gaap:PartnersCapitalOther
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:PaymentsForCapitalImprovements
dei:LegalEntity

us-gaap:PaymentsForDerivativeInstrumentFinancingActivities
dei:LegalEntity

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
dei:LegalEntity

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest

us-gaap:PaymentsOfDividendsMinorityInterest
dei:LegalEntity
dei:LegalEntity
us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType
us-gaap:PaymentsToAcquireInterestInJointVenture

us-gaap:PaymentsToAcquireLand

us-gaap:PaymentsToAcquireResidentialRealEstate
dei:LegalEntity

us-gaap:ProceedsFromIssuanceOfSecuredDebt
dei:LegalEntity

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt
dei:LegalEntity

us-gaap:ProceedsFromMinorityShareholders
dei:LegalEntity

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
dei:LegalEntity

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit
dei:LegalEntity
us-gaap:StatementScenario, us-gaap:DisposalGroupClassification
us-gaap:ProceedsFromSaleOfRealEstate

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment
dei:LegalEntity
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:PropertyManagementFeePercentFee
us-gaap:RelatedPartyTransaction, us-gaap:SubsequentEventType
us-gaap:PropertyManagementFeeRevenue

us-gaap:PropertyPlantAndEquipmentAdditions
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:RepaymentsOfSecuredDebt
dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueConversionOfUnits
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents

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

us-gaap:UnrealizedGainLossOnDerivatives
dei:LegalEntity

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment
dei:LegalEntity
us-gaap:BusinessAcquisition
aiv:AssetAcquisitionAcquisitionCostsCapitalized
us-gaap:BusinessAcquisition
aiv:AssetAcquisitionIntangibleAssetsAcquired

aiv:AssumedDebtFairValueAdjustment
us-gaap:InvestmentType
aiv:AvailableForSaleDebtSecuritiesFaceValue
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:OtherCommitments
aiv:CommitmentForAdditionalFunding
us-gaap:RelatedPartyTransaction
aiv:ConstructionLoanOutstandingAmount

aiv:CorporateFixedAssets

aiv:DeferredTaxLiabilitiesPartnershipDifferences

aiv:DerivativeCapInterestRateForLimitedSettlement
us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
aiv:DistributionLiabilityInJointVenture

aiv:FinancingLeaseLiabilityPaymentsDue
us-gaap:CreditFacility
aiv:FixedChargeCoverageRatio
dei:LegalEntity
aiv:GeneralAndSpecialLimitedPartnersCapitalAccount
us-gaap:BalanceSheetLocation
aiv:GuaranteeLiabilityAmount
us-gaap:IncomeStatementLocation, us-gaap:RelatedPartyTransaction
aiv:InterestPayableOnRelatedPartyNotesPayable
us-gaap:RelatedPartyTransaction
aiv:InterestRateOnRelatedPartyNotePayable

aiv:LeaseLiabilities
dei:LegalEntity
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments
us-gaap:CreditFacility
aiv:LeverageRatioMaximum
dei:LegalEntity
aiv:LiabilitiesAndPartnersCapital

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalAfterYearFive

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalAmount

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearFive

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearFour

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearThree

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearTwo

aiv:LongTermDebtAmortizationOfPrincipalAfterYearFive

aiv:LongTermDebtAmortizationOfPrincipalAmount

aiv:LongTermDebtAmortizationOfPrincipalInNextTwelveMonths

aiv:LongTermDebtAmortizationOfPrincipalInNextYearThree

aiv:LongTermDebtAmortizationOfPrincipalInYearFive

aiv:LongTermDebtAmortizationOfPrincipalInYearFour

aiv:LongTermDebtAmortizationOfPrincipalInYearTwo

aiv:MezzanineInvestment
dei:LegalEntity
us-gaap:InvestmentType
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:CreditFacility
aiv:MinimumTangibleNetWorth

aiv:NetLeaseIntangibleAssets

aiv:NumberOfSharesOfCommonStockRequiredToRedeemPreferredOPUnitsTenderedForRedemptionIfParentChoosesToRedeemInSharesRatherThanCash
us-gaap:Range, us-gaap:BusinessAcquisition
aiv:PercentageOfApartmentUnitsLeased

aiv:PercentageOfIncomeTaxOnIncomeFromNonArmsLengthTransactions
us-gaap:Range, us-gaap:BusinessAcquisition
aiv:PercentageOfRetailSpaceLeased

aiv:PromissoryNotesIssued

aiv:RealEstateAndAccumulatedDepreciationNetValueOfLandAndBuildingsAndImprovements

aiv:RightOfUseAssetIncludingFinanceAndOperatingLeases
dei:LegalEntity
us-gaap:StatementBusinessSegments
us-gaap:CreditFacility, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
aiv:SecuredCreditFacility

aiv:SecuredDebtGross
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType
aiv:SubFacilityLoan

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances

srt:RealEstateFederalIncomeTaxBasis

us-gaap:AccountsReceivableNet
us-gaap:BalanceSheetLocation
us-gaap:AccruedFeesAndOtherRevenueReceivable

us-gaap:AccruedLiabilitiesAndOtherLiabilities
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:AccumulatedDistributionsInExcessOfNetIncome

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AreaOfRealEstateProperty
us-gaap:Collateral, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroupCurrent
dei:LegalEntity

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByMeasurementFrequency

us-gaap:BelowMarketLeaseAccumulatedAmortization

us-gaap:BelowMarketLeaseAmortizationIncomeNextTwelveMonths

us-gaap:BelowMarketLeaseAmortizationIncomeYearFive

us-gaap:BelowMarketLeaseAmortizationIncomeYearFour

us-gaap:BelowMarketLeaseAmortizationIncomeYearThree

us-gaap:BelowMarketLeaseAmortizationIncomeYearTwo

us-gaap:BelowMarketLeaseGross

us-gaap:BelowMarketLeaseNet
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
dei:LegalEntity
us-gaap:ConstructionLoan
us-gaap:Ownership, us-gaap:Range

us-gaap:ConstructionPayableCurrentAndNoncurrent

us-gaap:DebtInstrumentCarryingAmount
us-gaap:CreditFacility, us-gaap:LineOfCreditFacility
us-gaap:DebtInstrumentFaceAmount
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DeferredCosts
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:DeferredCostsLeasingNet

us-gaap:DeferredFinanceCostsNet
us-gaap:CreditFacility
us-gaap:Ownership

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DerivativeAssets
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk
us-gaap:CreditDerivativesByContractType
us-gaap:DerivativeCapInterestRate
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeFairValueOfDerivativeNet
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
us-gaap:DueFromAffiliateCurrent

us-gaap:DueFromAffiliates
dei:LegalEntity
us-gaap:RelatedPartyTransaction

us-gaap:DueToAffiliateCurrentAndNoncurrent
dei:LegalEntity
us-gaap:RelatedPartyTransaction

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:EquityMethodInvestmentAggregateCost
us-gaap:BusinessAcquisition
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:Ownership, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType

us-gaap:EquityMethodInvestments
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:InvestmentType

us-gaap:FinanceLeaseLiability
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:LeaseContractualTerm

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:BusinessAcquisition
us-gaap:LeaseContractualTerm

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsGross
dei:LegalEntity
us-gaap:GeneralPartnersCapitalAccount
us-gaap:GuaranteeObligationsByNature
us-gaap:GuarantyLiabilities

us-gaap:InvestmentBuildingAndBuildingImprovements
dei:LegalEntity
us-gaap:BusinessAcquisition
us-gaap:FinancialSupportToNonconsolidatedLegalEntity, us-gaap:OtherCommitments
us-gaap:InvestmentCompanyFinancialCommitmentToInvesteeFutureAmount
us-gaap:OtherCommitments
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:Investments
us-gaap:Ownership, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:Ownership, us-gaap:FairValueByMeasurementFrequency

us-gaap:LandSubjectToGroundLeases

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:Collateral
us-gaap:LessorOperatingLeasePaymentsToBeReceived
us-gaap:Collateral
us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears
us-gaap:Collateral
us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears
us-gaap:Collateral
us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths
us-gaap:Collateral
us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter
us-gaap:Collateral
us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears
us-gaap:Collateral
us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation
dei:LegalEntity

us-gaap:LiabilitiesSubjectToCompromiseCapitalLeaseObligationsAndAccruedInterest
dei:LegalEntity
us-gaap:LimitedPartnersCapitalAccount
us-gaap:CreditFacility, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LoansPayable
us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementBasis
us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:SubsequentEventType
us-gaap:LongtermConstructionLoanCurrentAndNoncurrent
us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:MinorityInterestInJointVentures

us-gaap:MinorityInterestInLimitedPartnerships

us-gaap:MinorityInterestInOperatingPartnerships
us-gaap:ConsolidationItems
us-gaap:NonRecourseDebt
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:NotesPayable
dei:LegalEntity
us-gaap:Ownership, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:RelatedPartyTransaction
us-gaap:NotesPayableRelatedPartiesNoncurrent

us-gaap:NotesReceivableNet

us-gaap:NotesReceivableRelatedParties
dei:LegalEntity

us-gaap:OtherAssetsMiscellaneous
dei:LegalEntity
us-gaap:PartnersCapital

us-gaap:PartnersCapitalAttributableToNoncontrollingInterest
dei:LegalEntity
dei:LegalEntity
us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:PrepaidExpenseCurrentAndNoncurrent

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation
dei:LegalEntity

us-gaap:RealEstateInvestmentPropertyAtCost
dei:LegalEntity

us-gaap:RealEstateInvestmentPropertyNet
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures
dei:LegalEntity
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:RedeemableNoncontrollingInterestEquityOtherCarryingAmount
dei:LegalEntity
us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType

us-gaap:RedeemableNoncontrollingInterestEquityPreferredCarryingAmount
dei:LegalEntity
us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType
us-gaap:ConsolidatedEntities

us-gaap:ResidualValueOfLeasedAsset

us-gaap:RestrictedCashAndCashEquivalents
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:SecuredDebt
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:UnsecuredDebt
dei:LegalEntity

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Income Tax Expense Benefit
Balance Sheet
Intangible Assets Net Excluding Goodwill
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
Liabilities
Operating Lease Liability
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Next Twelve Months

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▇▇▇▇▇▆▇▇▆▆▇███████████████▆▆▆▆▆▆▆▆▆▆▆▂▂▂▂▁▁1.4961.4911.491.4891.4891.4871.4891.4891.4881.4881.4911.5741.5741.5731.5721.571.571.571.5691.5691.5661.5661.5631.5641.5631.5631.4641.4621.4621.4611.4591.4591.4591.4591.4561.4561.4421.2141.2091.2091.2051.1911.176NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock▂▁▁▁▁▁▁▁▁▁▁▄▄▄█149.663149.208149.036148.866148.865148.7148.885148.885148.827148.758149.134152.592152.592152.568157.189NANANA156.888NANANA156.326NANANA146.403NANANA145.917NANANA145.564NANANA120.916NANANA117.643NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁149.166149.046NA148.544148.553148.786NA148.636148.599144.445NA156.938156.833156.74NA156.835156.715156.754156.54156.527156.793156.117156.043156.008155.954154.277146.238146.104145.985145.681145.499145.563145.674145.169NA144.959127.395120.526NA120.339119.156117.32NA116.434116.323NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁149.166148.914NA148.544148.535148.518NA148.434148.367144.232NA156.711156.703156.609NA156.306156.305156.259156.171156.079156.375155.791155.725155.639155.524153.821145.753145.672145.657145.473145.341145.334145.321145.169NA144.959127.395120.526NA120.339119.156117.32NA116.434116.323NA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NANANA9.0078.9290.097NANANA0.0NA0.20.20.2NA0.20.2NANANANANANANANANANANANANANANANANANANANA5.2NANANA7.1NANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount dei:LegalEntity aiv:AIMCOPropertiesLPNANANA2.222.0811.847NANANA0.4NA0.20.20.3NA0.20.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▁█-0.130.14NANA0.020.040.90.010.41.880.033.620.020.521.680.110.10.071.040.071.420.150.430.120.390.580.250.860.510.44NA0.460.07NANANANANANANANANANANANANA
us-gaap:EarningsPerShareDiluted ▁█-0.130.14NANA0.020.040.90.010.41.880.033.610.020.521.670.110.10.071.030.071.410.150.430.120.390.580.250.850.510.44NA0.460.07NANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasicAndDiluted NANA-0.1-0.170.260.04NA0.010.41.88NANA0.020.52NA0.110.10.07NA0.07NA0.150.430.120.390.58NANANA0.440.840.460.070.030.470.170.0-0.09-0.19-0.12-0.28-0.27-0.33000000000000007-0.25NANA
 us-gaap:EarningsPerShareBasicAndDiluted dei:LegalEntity aiv:AIMCOPropertiesLPNANANA-0.170.260.04NA0.010.41.88NANA0.020.52NANANA0.07NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EarningsPerShareBasicAndDiluted us-gaap:ConsolidatedEntities srt:SubsidiariesNANA-0.10.010.030.03NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 EBT Margin dei:LegalEntity aiv:AIMCOOPLP█▁40.41839.804NANA37.16538.309NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin dei:LegalEntity aiv:AIMCOPropertiesLPNANA-507.364215.455218.808224.552230.032229.827224.2230.235232.022242.481250.187247.72255.229254.635249.092246.481NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems us-gaap:MaterialReconcilingItems▆▆▁█▇▇▇▇▇▇▇▇▇▇1.6191.83-23.47212.5318.5198.8127.7358.8328.2558.7478.3798.9268.1929.149NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:AcquisitionAndOtherRealEstateNANANA17.31117.415NANA18.6714.097NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:OperatingPortfolioSegment█▁33.32932.689NANA32.59933.361NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:OtherRealEstate▁█2.9813.027NANA3.07417.87512.97513.3899.2759.4679.4839.4759.3789.312NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:RedevelopmentandDevelopment▆▆▁▇▇▇████████2.4892.257-34.48612.49811.58911.91318.11417.89119.16620.3520.25119.87618.48218.077NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:SameStoreNANANA171.033180.779187.956161.829179.056176.375175.719156.478172.426169.902168.606NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin dei:LegalEntity aiv:AIMCOOPLP█▁40.41839.804NANA37.16538.309NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin dei:LegalEntity aiv:AIMCOPropertiesLPNANA-507.364215.455218.808224.552230.032229.827224.2230.235232.022242.481250.187247.72255.229254.635249.092246.481NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidatedEntities srt:SubsidiariesNANA38.64937.32837.16538.309230.032229.827224.2230.235232.022242.481250.187247.72255.229254.635249.092246.481NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems us-gaap:MaterialReconcilingItems▁█1.6191.83NANA8.5198.812NANANANANA8.9268.1929.149-0.1851.177.1997.2967.2047.3117.3377.5938.0187.5527.187NANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:OperatingPortfolioSegment█▁33.32932.689NANA32.59933.361NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:OtherRealEstate▁█2.9813.027NANA3.07417.875NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:RedevelopmentandDevelopment█▁2.4892.257NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTax NANANA-25.23538.9236.666133.2191.60164.474274.197.351571.6334.70183.733266.09420.63719.06512.57165.85315.788224.15431.66670.42422.51863.47792.70738.312127.75476.30265.028124.08366.13111.2464.7771.78138.67620.6994.618-11.482-8.607-22.556-19.226NANANANA
 us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity aiv:AIMCOPropertiesLPNANANA-24.90442.8668.899142.373.62669.942291.2659.606603.8596.75689.422280.40523.44321.83915.021NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest NANANA0.1773.9262.2519.2351.9675.53817.1662.4334.022.111.89521.882.5573.633.4613.13314.63921.5544.1485.8531.8884.84610.8636.17516.5557.53716.63625.50312.132-3.767-3.04928.5314.50411.0938.8934.4245.276-3.726-7.994NANANANA
 us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest dei:LegalEntity aiv:AIMCOPropertiesLPNANANA-0.154-0.0170.0180.084-0.0580.070.0910.1751.7940.0456.2067.569-0.2490.8561.009NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest NANANA-25.05842.8498.917142.4543.56870.012291.3569.781605.6536.80195.628287.97423.19422.69516.03178.98630.427245.70835.81476.27724.40668.323103.5744.487144.30983.83981.664149.58678.2637.4791.721100.31153.1831.79213.511-120.6913.326.3-27.22-149.92930.312.0NA
 us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity aiv:AIMCOPropertiesLPNANANA-25.05842.8498.917142.4543.56870.012291.3569.781605.6536.80195.628287.97423.19422.69516.03NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▆▆▁▆▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇▇█▇█▇▇▇█▇█▇7.3836.311-17.4538.1189.69610.10812.72311.82112.12410.3699.07212.47913.88211.35512.05810.52910.10810.68210.42811.3211.25411.9359.45111.01312.06210.65212.87310.66510.12510.53211.81410.96211.15311.77912.11112.31113.55611.62414.78812.66412.37211.12514.3512.09615.18411.736
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▁▂▁▁▂▂▃▁▂▄█▂▂▂▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▁▁▁▁▁▁-23.14616.334-35.427-26.56240.3255.744141.5730.87468.169294.276689.1683.8912.5397.978-29.73717.50715.0612.56412.09612.07622.29117.81218.74715.4918.09311.53612.36913.18112.5969.28220.1818.1184.3040.7528.524.455-11.691-24.685-43.012-27.421-45.422-34.083-48.296-51.377NANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity aiv:AIMCOOPLP▁█-23.14616.334NANA1.0812.532NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity aiv:AIMCOPropertiesLPNANA-35.427-26.56240.3255.744141.5730.87468.169294.276689.1683.8912.5397.978-29.73717.50715.0612.564NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▂▃▆▁▂▁▃▁▂▄▁█▁▂-47.966-7.741315.901-169.061-109.929-153.477-9.958-156.561-86.337139.354-170.485477.678-142.953-79.296NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems us-gaap:MaterialReconcilingItems▅▅▁█▆▆▆▆▅▆▆▅▅▅0.1180.124-3.5572.8250.5880.6370.620.5980.530.5580.5610.5090.5240.51NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:AcquisitionAndOtherRealEstateNANANA10.20810.93NANA11.8088.666NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:OperatingPortfolioSegment█▁22.3721.519NANA22.20322.851NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:OtherRealEstate▁█1.9452.042NANA2.11911.7018.1988.245.3715.5845.7525.8235.6995.473NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:RedevelopmentandDevelopment▅▅▁▇▇▇█▇██████0.3870.39-20.8317.5796.6777.22611.98110.42212.13613.0613.09312.63411.54611.578NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:SameStoreNANANA121.887132.059139.174122.151130.836129.206128.582118.429125.675123.55121.851NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest -9.0NANANA4.4NANANANANANA31.8326.93445.366-12.48922.37720.08317.54920.83515.53829.41223.69825.25723.76923.90718.45719.30618.18617.94312.0426.8048.1954.1880.7029.064.569-11.461-24.224-39.23-26.311-43.44-30.584-40.794-46.992-38.266-36.933
us-gaap:IncomeTaxExpenseBenefit ▄▃▄▄▄▄▄▄▄▄█▂▃▁▂▃▃▃▃▄▃▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▄▄-2.76-5.1-2.29-1.747-2.879-3.233-1.193-3.096-1.8272.98156.697-27.941-4.395-37.388-17.248-4.87-5.023-4.985-8.739-3.462-7.121-5.886-6.51-8.279-5.814-6.921-6.937-5.005-5.347-2.758-2.175-0.0770.1160.05-0.343-0.114-0.23-0.461-1.462-1.11-2.257-2.528-7.391-4.385-3.385-3.624
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity aiv:AIMCOOPLP█▁-2.76-5.1NANA-2.032-2.023NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity aiv:AIMCOPropertiesLPNANA-2.29-1.747-2.879-3.233-1.193-3.096-1.8272.98156.697-27.941-4.395-37.388-17.248-4.87-5.023-4.985NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:InvestmentType us-gaap:RestructuringCharges▁█-2.8-2.7NANA-2.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense ▅▅▁▆▆▆▆▆▆▆▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇█▇█▇▇▇12.63812.677-113.14550.51948.80241.33645.84642.01139.54141.40957.44145.49249.90647.79549.19350.68246.85847.88250.48449.37748.89447.63448.27548.28549.60553.5252.35857.80655.06155.64154.52361.72661.82162.49453.39164.58564.25571.85167.61173.15296.71676.38187.27174.54476.20377.677
us-gaap:NetIncomeLoss NANA-26.011-25.00739.2556.722133.5121.97964.459274.1337.407569.9915.03783.792264.38919.63518.05213.698164.40715.513224.43326.05769.65621.92563.86993.2639.252128.02877.04264.927123.21867.23210.9485.89268.92638.78122.81.949-12.934-1.442-23.451-19.26-21.463-14.922-7.825-27.518
 us-gaap:NetIncomeLoss dei:LegalEntity aiv:AIMCOPropertiesLPNANA-15.721-24.66143.2218.959142.6824.02869.926291.2049.665602.1237.11189.484278.6222.39320.77816.204NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest NANA-6.40.1923.9492.2559.2541.9915.53717.1622.43333.9262.11911.89821.82.5093.5393.45712.99214.52321.523.8285.721.8444.81910.896.20716.4877.56316.60525.38512.178-3.969-3.05928.32214.55411.3318.6984.3616.099-3.52-8.017-12.749-13.56-2.34510.758
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▁▂▁▁▂▂▃▁▂▅▂█▁▂▄▂▂▂▃▂▄▂▂▂▂▂▂▃▂▂▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁-19.6920.214-15.05-25.04639.2126.679133.3392.00359.234271.5685.226567.0292.81781.525262.09717.4315.84311.491162.011.176221.38223.22366.63919.17960.80489.34436.269124.70675.0164.234122.03766.26810.1075.0567.92824.1630.523-10.609-23.411-14.801-33.177-31.773-38.427-28.5-17.995-40.44
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity aiv:AIMCOOPLP▁█-20.72721.295NANA3.2284.663NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity aiv:AIMCOPropertiesLPNANA-27.289-26.38741.3197.047140.5832.13862.817286.6395.551597.12.94985.274274.3818.24616.62712.047NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ConsolidatedEntities srt:SubsidiariesNANA-15.7692.2114.1754.073140.5832.13862.817286.6395.551597.12.94985.274274.3818.24616.62712.047NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:StatementEquityComponents us-gaap:Parent▁█-19.6920.214NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-19.6920.214NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses ▆▆▁▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇███████████44.42543.97-411.636201.686186.868188.89193.404191.2184.096188.821165.958195.527200.826194.343237.946195.43189.386188.692189.399190.172186.782182.705180.391182.366179.14183.198178.37179.376180.621183.751177.707186.635195.138197.643205.138216.717222.857230.604233.252237.293231.244245.079239.135237.611241.775253.072
us-gaap:OperatingIncomeLoss █▁-4.007-4.166NANA1.1881.851NANANANANA46.95449.36153.37717.28359.20559.70657.78960.09458.73264.43663.53465.48464.02165.64361.06763.80867.46765.79765.17373.15567.87964.52457.80760.85750.73148.01543.19539.67244.11749.79141.47431.93835.58134.74923.753
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▁█-28.827-28.241NANA-23.253-23.411NANANANANA-113.56-104.724-99.625-115.005-100.217-95.978-94.716-104.797-98.453-93.473-78.931-85.026-82.699-83.58NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems us-gaap:MaterialReconcilingItems▁█0.1180.124NANA0.1190.124NANANANANA0.5210.5370.518-0.0940.764.9344.9935.055.0425.1065.6485.7835.2734.957NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:OperatingPortfolioSegment█▁22.3721.519NANA22.20322.851NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:OtherRealEstate▁█1.9452.042NANA2.1192.287NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,aiv:RedevelopmentandDevelopment▁█0.3870.39NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax NANANA-0.243-0.355-0.06-0.312-0.4020.0160.061-0.0591.736-0.355-0.0621.7851.051.104-1.1251.5870.391-0.2455.9290.9010.637-0.365-0.58-0.972-0.206-0.7660.132NANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity aiv:AIMCOPropertiesLPNANANA-0.243-0.355-0.06-0.312-0.4020.0160.061-0.0591.736-0.355-0.0621.7851.051.104-1.125NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity,us-gaap:PartnerTypeOfPartnersCapitalAccount aiv:AIMCOPropertiesLP,aiv:GeneralPartnerAndSpecialLimitedPartnerNANANA-0.228-0.332-0.056-0.293-0.3780.0150.057-0.0561.642-0.336NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity,us-gaap:PartnerTypeOfPartnersCapitalAccount aiv:AIMCOPropertiesLP,aiv:PartnersCapitalAttributableToPartnershipNANANA-0.243-0.355-0.06-0.312-0.4020.0160.061-0.0591.736-0.355NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity,us-gaap:PartnerTypeOfPartnersCapitalAccount aiv:AIMCOPropertiesLP,us-gaap:LimitedPartnerNANANA-0.015-0.023-0.004-0.019-0.0240.0010.004-0.0030.094-0.019NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnershipNANANA-0.015-0.023-0.004-0.019-0.0240.0010.004-0.0030.094-0.019NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncomeNANANA-0.228-0.332-0.056-0.293-0.3780.0150.057-0.0561.642-0.336NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:ParentNANANA-0.228-0.332-0.056-0.293-0.3780.0150.057-0.0561.642-0.336NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense █▁2.9180.363NANA-0.154-0.415NA0.2880.2310.072-0.064-0.2830.20.2240.0926.9370.20.4650.530.5584.9060.077-0.244-1.9830.352.264-0.7721.7330.189-1.9797.535-1.563-0.987-2.266NANANANANANANANANANANANA
us-gaap:ProfitLoss ▁▂▁▁▂▁▃▁▂▅▁█▁▂▅▂▂▂▃▂▄▂▂▂▂▃▂▃▂▂▃▂▁▁▂▂▂▁▁▁▁▁▁▁▁▁-20.38621.434-15.435-24.81543.2048.977142.7663.9769.996291.2959.84603.9177.15695.69286.18922.14421.59117.155177.39930.036245.95329.88575.37623.76968.688104.1545.459144.51584.60581.532148.60379.416.9792.83397.24853.33534.13110.647-8.5744.657-26.971-27.277-34.212-28.482-10.17-16.76
 us-gaap:ProfitLoss dei:LegalEntity aiv:AIMCOOPLP▁█-20.38621.434NANA3.1134.555NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss dei:LegalEntity aiv:AIMCOPropertiesLPNANA-33.137-24.81543.2048.977142.7663.9769.996291.2959.84603.9177.15695.69286.18922.14421.59117.155NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ConsolidatedEntities srt:SubsidiariesNANA-15.4351.9963.8833.785142.7663.9769.996291.2959.84603.9177.15695.69286.18922.14421.59117.155NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▁▁▁▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇██████████40.41839.80438.649215.455218.808224.552230.032229.827224.2230.235232.022242.481250.187247.72255.229254.635249.092246.481249.493248.904251.218246.239245.875246.387244.783244.265242.178246.843246.418248.924250.862254.514259.662255.45265.995267.448270.872273.799272.924281.41281.035286.553271.073273.192276.524276.825
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▂▁▁███▇▇▇▇▆▆▇▇▆▆▇▆▇▇▇▆▆▇▆▇▆▆▆▆▆▇▇▇▇▇▇▇▇████2312.1392217.891840.4927042.1297121.1477048.2456828.7396539.1786240.8046283.7696190.0046185.0216544.3566255.296079.046169.3386199.2026187.446232.8186293.8476274.2286142.2136144.1946217.6626157.6946215.4536097.0285937.4636078.6656083.1526079.4136489.5066470.7156370.3936401.386565.3886947.1066823.636871.8627042.7027164.9727261.8327378.566NANANA
us-gaap:Liabilities ▂▂▁▆▇▇▆▆▆▅▆▅▆▆▆▆▆▅▅▆▅▆▅▆▅▅▆▆▆▆▆▇▇▇▇▇▇██████1746.741632.4271277.1384821.5125245.975151.6314866.1644651.9264296.764222.3024325.0723889.5714788.2394491.2654321.754632.1124619.5664249.4574184.6514363.0394269.1894320.9474292.3634380.9614251.6674292.8854566.9864414.9994649.9384822.584826.7165314.3775327.6735181.7645166.445382.3335497.4835659.3575643.8045748.2035830.2495881.4295968.366NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▂▁▁███▇▇▇▇▆▆▇▇▆▆▇▆▇▇▇▆▆▇▆▇▆▆▆▆▆▇▇▇▇▇▇▇▇████2312.1392217.891840.4927042.1297121.1477048.2456828.7396539.1786240.8046283.7696190.0046185.0216544.3566255.296079.046169.3386199.2026187.446232.8186293.8476274.2286142.2136144.1946217.6626157.6946215.4536097.0285937.4636078.6656083.1526079.4136489.5066470.7156370.3936401.386565.3886947.1066823.636871.8627042.7027164.9727261.8327378.566NANANA
us-gaap:StockholdersEquity ▁▁▁█▆▆▇▆▆▇▆█▆▆▆▅▅▆▇▆▆▆▆▆▆▆▄▄▄▃▃▃▃▃▃▃▄▃▃▃▃▃▃502.721520.917499.7782121.3911698.0121717.4551780.6491705.4591763.2181883.6361699.4192125.6821614.9411670.191663.1441454.1861494.5021688.1361793.9031682.9071771.1561603.1621622.3911601.691628.911615.5271227.7351228.2511140.102983.096967.457882.147851.371888.38915.425875.6721147.64862.019908.329951.312979.31014.441046.042NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆▅▆▅█▇▃▁▁▃▁286.066226.081289.582228.368398.408340.883142.90258.72433.958162.28636.858NANANA76.78655.68163.76265.07461.24447.90855.22564.45450.78945.24146.835164.4928.97129.18633.82638.40255.75167.62246.92349.55884.413102.515312.96483.23491.06675.83185.32481.36111.325145.06278.31877.875
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▅▄▅▅█▇▃▂▁▃▁▂▂▂▂▂▂▂▂295.233235.305298.735268.491442.508374.816177.70293.22565.907198.38972.595104.299138.94139.031142.541133.596133.381138.623131.15NANANA137.745NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Land ▁▁▁█████▇▇▇518.954506.968505.1531891.7631866.0091869.4651869.0481887.4241741.5311731.981756.525NANANANANANANA1858.7921925.3031847.5821861.1571861.1571878.351881.7391883.1281885.641771.5451811.5031867.271881.3581937.2391952.8111940.6531943.1662006.362060.1152060.7262053.9752097.1372107.0822128.8312139.431NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:RelatedPartyTransactionsByRelatedParty us-gaap:CorporateJointVentureNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▄█4.825.7457.264NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:LeasesAcquiredInPlaceNANA7.264NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁█5.35.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▁▁▁▇██▇▇▆▆▇1076.317964.0982.0944406.7974892.1834802.5324505.594254.713997.4473929.0234075.665NANANANANA4300.04000.03884.6324055.5413955.6383917.593873.163935.8993866.0073888.2844135.1393962.2364206.202NA4388.185NANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▄▁█128.279125.732131.56NANANA148.227NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▄▄▄1.8411.8411.841NANANANA5.1565.1565.156NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▄▄▄1.8711.8711.871NANANANA5.1435.1435.143NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▄▄▄1.91.91.9NANANANA5.0535.0535.053NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive ▄▄▄1.931.931.93NANANANA4.3634.3634.363NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive ▂▁█6.8076.8066.814NANANANA432.813432.813432.813NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▁▁▁█▆▆▇▆▆▇▆█▆▆▆▅▅▆▇▆▆▆▆▆▆▆▄▄▄▃▃▃▃▃▃▃▄▃▃▃▃▃▃502.721520.917499.7782121.3911698.0121717.4551780.6491705.4591763.2181883.6361699.4192125.6821614.9411670.191663.1441454.1861494.5021688.1361793.9031682.9071771.1561603.1621622.3911601.691628.911615.5271227.7351228.2511140.102983.096967.457882.147851.371888.38915.425875.6721147.64862.019908.329951.312979.31014.441046.042NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▁▁▁█▆▆▇▆▆▇▆█▆▆▆▅▅▆▇▆▇▆▆▆▆▆▅▅▄▄▄▃▃▃▄▃▄▃▄▄▄▄▄561.222581.352559.0912136.7971774.2361795.5481860.7951786.0741842.8661960.2721763.6412194.131654.7851662.6471655.7531435.6891478.0991836.3771944.9661827.6071918.8411735.0651763.9051748.7641818.0851834.6261442.1051443.5551349.811181.4511172.7441095.161063.0581108.5991154.8941102.9781369.2221080.9081144.6741201.1141241.3361276.9991306.772NANANA
us-gaap:CommonStockValue ▇▇▇▇▇▆▇▇▆▆▇███████████████▆▆▆▆▆▆▆▆▆▆▆▂▂▂▂▁▁1.4961.4911.491.4891.4891.4871.4891.4891.4881.4881.4911.5741.5741.5731.5721.571.571.571.5691.5691.5661.5661.5631.5641.5631.5631.4641.4621.4621.4611.4591.4591.4591.4591.4561.4561.4421.2141.2091.2091.2051.1911.176NANANA
us-gaap:AdditionalPaidInCapital ▁▁▁█▇▇▇▇▇▇▇███████████████▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆517.54516.051515.1274000.9253491.2773488.6113497.3673497.3333498.6293495.2953515.6413888.3123887.263885.2793900.0423898.4413897.6214051.6454051.7224052.6494066.4764068.1964064.6594064.7294064.9594065.4113696.1433694.1013692.8543700.3693701.3393704.3933704.0263716.5643712.6843714.6743683.7643071.5233098.3333106.0793095.9943084.5723070.882NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁█▁-16.3153.375-16.839NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:CumulativeEffectPeriodOfAdoption,us-gaap:AdjustmentsForNewAccountingPronouncements srt:CumulativeEffectPeriodOfAdoptionAdjustment,us-gaap:AccountingStandardsUpdate201613NANANA-0.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax NANA-16.8393.5793.8074.1394.1954.4884.8664.8514.7944.853.2083.5443.6031.8980.896-0.1181.011-0.434-0.71-0.431-6.04-6.81-7.402-7.009-6.456-5.517-5.243-4.503-4.602-5.467-4.365-4.664-3.542-6.397-6.292-4.191-6.86-8.312-1.147-2.042-2.076NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues ▁█0.01.071NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA-584.61935.837NANA-52.022NANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▁█0.01.069NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStock▁█0.00.002NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:Parent▁█0.01.071NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA-584.61935.837NANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁0.6380.229NA1.9542.1312.981.9261.9581.9863.2382.2442.262.2732.9882.0112.112.0973.0331.8611.8342.0362.8791.5241.1131.752.7091.3151.3161.7551.7531.1541.3021.3022.1571.0931.1171.1011.9121.1581.168NANANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders █▁0.2950.287NA3.4133.3783.2283.4253.3673.3593.2444.9743.8443.4097.245NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▆▁▇█▇▇█▇▇▇██▇███▇█▇█▇██▇▇▇▇▇▇▇▇█▆▇▇█▆▇▇▇▆▇▇▇▆14.1422.324-218.0381.519106.94177.41695.724108.70988.42281.61793.462117.3104.30381.323109.114109.012107.49768.516101.26899.691102.81273.953101.447101.1492.65364.65188.03589.1189.47854.80177.47375.097124.13448.89274.5390.265103.5648.47282.43881.17367.52827.6867.33179.20684.18526.778
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▃▅▁▂▂▁▁▂▅▂█▂▁▆▂▂▂▄▂▂▂▃▂▂▃▂▅▃▃▆▃▁▂▄▄▃▃▄▃▃▃▃▃▃▃-64.114-37.937226.644-195.899-62.056-98.014-189.408-213.53-54.879252.404-117.276532.809-122.059-171.628288.843-96.985-90.916-86.238136.488-79.55-89.14-65.57144.822-131.871-104.29120.443-101.997176.988-15.224-46.089364.351-32.39-193.2-73.56975.44565.56-22.372-6.96658.73815.294-32.518-1.0244.85-14.83247.5318.826
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity aiv:AIMCOOPLP▁█-64.114-37.937NANA-4.103-6.653NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity aiv:AIMCOPropertiesLPNANA226.644-195.899-62.056-98.014-189.408-213.53-54.879252.404-117.276532.809-122.059-171.628290.589-96.951-91.251-87.683NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▇▆█▆▆██▇▅▅▆▁▆▇▃▆▆▆▅▆▆▆▅▇▅▇▆▄▆▆▃▆▇▆▅▃▇▆▅▅▆▆▅▆▅▆109.9-27.817189.212-59.63722.807217.712178.161132.139-166.025-208.227-7.89-684.7517.66586.795-376.852-20.108-17.89321.552-224.42-27.458-22.9015.283-140.72129.137-106.01750.42513.747-270.738-78.83-26.061-453.695-22.00866.431-10.178-168.077-366.274148.542-49.338-125.941-105.96-31.046-56.625-145.9182.37-131.273-38.989
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AmortizationOfFinancingCosts █▁0.3710.238NANA0.3070.159NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▆▁▇█▇▇█▇▇▇██▇███▇█▇█▇██▇▇▇▇▇▇▇▇█▆▇▇█▆▇▇▇▆▇▇▇▆14.1422.324-218.0381.519106.94177.41695.724108.70988.42281.61793.462117.3104.30381.323109.114109.012107.49768.516101.26899.691102.81273.953101.447101.1492.65364.65188.03589.1189.47854.80177.47375.097124.13448.89274.5390.265103.5648.47282.43881.17367.52827.6867.33179.20684.18526.778
us-gaap:NetIncomeLoss NANA-26.011-25.00739.2556.722133.5121.97964.459274.1337.407569.9915.03783.792264.38919.63518.05213.698164.40715.513224.43326.05769.65621.92563.86993.2639.252128.02877.04264.927123.21867.23210.9485.89268.92638.78122.81.949-12.934-1.442-23.451-19.26-21.463-14.922-7.825-27.518
 us-gaap:NetIncomeLoss dei:LegalEntity aiv:AIMCOPropertiesLPNANA-15.721-24.66143.2218.959142.6824.02869.926291.2049.665602.1237.11189.484278.6222.39320.77816.204NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▁▂▁▁▂▁▃▁▂▅▁█▁▂▅▂▂▂▃▂▄▂▂▂▂▃▂▃▂▂▃▂▁▁▂▂▂▁▁▁▁▁▁▁▁▁-20.38621.434-15.435-24.81543.2048.977142.7663.9769.996291.2959.84603.9177.15695.69286.18922.14421.59117.155177.39930.036245.95329.88575.37623.76968.688104.1545.459144.51584.60581.532148.60379.416.9792.83397.24853.33534.13110.647-8.5744.657-26.971-27.277-34.212-28.482-10.17-16.76
 us-gaap:ProfitLoss dei:LegalEntity aiv:AIMCOOPLP▁█-20.38621.434NANA3.1134.555NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss dei:LegalEntity aiv:AIMCOPropertiesLPNANA-33.137-24.81543.2048.977142.7663.9769.996291.2959.84603.9177.15695.69286.18922.14421.59117.155NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ConsolidatedEntities srt:SubsidiariesNANA-15.4351.9963.8833.785142.7663.9769.996291.2959.84603.9177.15695.69286.18922.14421.59117.155NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation █▁1.110.704NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▃▅▁▂▂▁▁▂▅▂█▂▁▆▂▂▂▄▂▂▂▃▂▂▃▂▅▃▃▆▃▁▂▄▄▃▃▄▃▃▃▃▃▃▃-64.114-37.937226.644-195.899-62.056-98.014-189.408-213.53-54.879252.404-117.276532.809-122.059-171.628288.843-96.985-90.916-86.238136.488-79.55-89.14-65.57144.822-131.871-104.29120.443-101.997176.988-15.224-46.089364.351-32.39-193.2-73.56975.44565.56-22.372-6.96658.73815.294-32.518-1.0244.85-14.83247.5318.826
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity aiv:AIMCOOPLP▁█-64.114-37.937NANA-4.103-6.653NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity aiv:AIMCOPropertiesLPNANA226.644-195.899-62.056-98.014-189.408-213.53-54.879252.404-117.276532.809-122.059-171.628290.589-96.951-91.251-87.683NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▇▆█▆▆██▇▅▅▆▁▆▇▃▆▆▆▅▆▆▆▅▇▅▇▆▄▆▆▃▆▇▆▅▃▇▆▅▅▆▆▅▆▅▆109.9-27.817189.212-59.63722.807217.712178.161132.139-166.025-208.227-7.89-684.7517.66586.795-376.852-20.108-17.89321.552-224.42-27.458-22.9015.283-140.72129.137-106.01750.42513.747-270.738-78.83-26.061-453.695-22.00866.431-10.178-168.077-366.274148.542-49.338-125.941-105.96-31.046-56.625-145.9182.37-131.273-38.989
us-gaap:PaymentsOfDividendsCommonStock NANANA60.94560.94261.11657.96957.96957.94567.40558.56759.64959.63659.65256.3956.32656.33356.32851.61851.61151.52751.52346.81446.79546.71543.75838.01437.98438.03437.9735.01935.01935.01834.99629.12429.10923.96721.80614.50814.49814.33814.23911.70211.69311.68511.649
us-gaap:PaymentsForRepurchaseOfCommonStock NANANA0.00.010.0040.00.00.020.682373.5930.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsForRepurchaseOfCommonStock dei:LegalEntity aiv:AIMCOPropertiesLPNANANA0.00.010.0040.00.00.020.682373.5930.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Ownership aiv:UptonPlaceJVNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1496000.01491000.01490000.01489000.01489000.01487000.01489000.01489000.01488000.01488000.01491000.01574000.01574000.01573000.01572000.01570000.01570000.01570000.01569000.01569000.01566000.01566000.01563000.01564000.01563000.01563000.01464000.01462000.01462000.01461000.01459000.01459000.01459000.01459000.01456000.01456000.01442000.01214000.01209000.01209000.01205000.01191000.01176000.01165000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Shares Issued

us-gaap:SharesIssued us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value14914914914814814814814814814814915215215215715615614614514512011711610091
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value149149148148148148148144156156156156156156156156156156156156155154146146145145145145145145144127120120119117116116
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding dei:LegalEntity

aiv:AIMCOOPLP


Weighted
Period End2021-06-302021-03-312020-06-302020-03-31
Value157157156156
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding105.3105.3105.3105.2

aiv:AIMCOPropertiesLP


Weighted
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value156156157156157152165164163164164164
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding105.4105.4105.5105.5105.7105.7105.3105.1104.6104.7104.7104.8

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value149148148148148148148144156156156156156156156156156155155155155153145145145145145145145145144127120120119117116116
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic dei:LegalEntity

aiv:AIMCOOPLP


Weighted
Period End2021-06-302021-03-312020-06-302020-03-31
Value157156156156
Percentage of WeightedAverageNumberOfSharesOutstandingBasic105.3105.4105.3105.4

aiv:AIMCOPropertiesLP


Weighted
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value156156156156156152165164163163163163
Percentage of WeightedAverageNumberOfSharesOutstandingBasic105.4105.4105.5105.5105.6105.6105.3105.1104.6104.7104.8104.8

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2020-09-302020-06-302020-03-312019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302012-03-312011-03-31
Value9007000.08929000.097000.00200000.0200000.0200000.0200000.0200000.05200000.07100000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount dei:LegalEntity

aiv:AIMCOPropertiesLP


Antidilutive
Period End2020-09-302020-06-302020-03-312019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value2220000.02081000.01847000.0400000.0200000.0200000.0300000.0200000.0200000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount24.623.31904.10.0100.0100.0150.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value-0.130.140.020.040.90.010.41.880.033.620.020.521.680.110.10.071.040.071.420.150.430.120.390.580.250.860.510.440.460.07
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareBasic dei:LegalEntity

aiv:AIMCOOPLP


Earnings
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.130.140.020.03
Percentage of EarningsPerShareBasic100.0100.0100.075.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value-0.130.140.020.040.90.010.41.880.033.610.020.521.670.110.10.071.030.071.410.150.430.120.390.580.250.850.510.440.460.07
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareDiluted dei:LegalEntity

aiv:AIMCOOPLP


Earnings
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.130.140.020.03
Percentage of EarningsPerShareDiluted100.0100.0100.075.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-0.1-0.170.260.040.010.41.880.020.520.110.10.070.070.150.430.120.390.580.440.840.460.070.030.470.170-0.09-0.19-0.12-0.28-0.27-0.33-0.25
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareBasicAndDiluted dei:LegalEntity

aiv:AIMCOPropertiesLP


Earnings
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312017-03-31
Value-0.170.260.040.010.41.880.020.520.07
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareBasicAndDiluted us-gaap:ConsolidatedEntities

srt:Subsidiaries


Earnings
Period End2020-12-312020-09-302020-06-302020-03-31
Value-0.10.010.030.03
Percentage of EarningsPerShareBasicAndDiluted100.0-5.911.575.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-25.235386.6661331.601642747.3515714.7018326620191216515224317022639238127766512466114.777138204.618-11.482-8.607-22.556-19.226
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-11.717.83.057.90.728.8119.13.2235.71.933.8104.38.17.75.166.56.389.212.928.69.125.938.015.851.831.026.149.526.04.31.927.014.57.61.7-4.2-3.1-8.0-6.7

us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity

aiv:AIMCOPropertiesLP


Comprehensive
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-24.904428.8991423.626692919.6066036.75689280232115
Percentage of ComprehensiveIncomeNetOfTax98.7110.1133.5106.9226.5108.5106.2130.7105.6143.7106.8105.4113.6114.6119.5
Percentage of Revenues-11.619.64.061.91.631.2126.54.1249.02.736.1109.99.28.86.1
Percentage of Revenues aiv:AIMCOPropertiesLP-11.619.64.00.01.631.2126.50.0249.02.736.10.09.28.86.1

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.1773.9262.2519.2351.9675.538172.43342.111212.5573.633.461314214.1485.8531.8884.846106.175167.537162512-3.767-3.0492814118.8934.4245.276-3.726-7.994
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.11.81.04.00.92.57.51.014.00.84.88.61.01.51.45.35.98.61.72.40.82.04.42.56.73.16.710.24.8-1.5-1.210.75.44.13.21.61.9-1.3-2.8

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest dei:LegalEntity

aiv:AIMCOPropertiesLP


Comprehensive
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.154-0.0170.0180.084-0.0580.070.0910.1751.7940.0456.2067.569-0.2490.8561.009
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest-87.0-0.40.80.9-2.91.30.57.25.32.152.234.6-9.723.629.2
Percentage of Revenues-0.1-0.00.00.0-0.00.00.00.10.70.02.53.0-0.10.30.4
Percentage of Revenues aiv:AIMCOPropertiesLP-0.1-0.00.00.0-0.00.00.00.00.70.02.50.0-0.10.30.4

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
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
Value-25.058428.9171423.568702919.7816056.801952872322161783024535762468103441448381149787.4791.721100533113-120.6913.326-27.22-149.9293012
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-11.619.64.061.91.631.2126.54.2249.82.738.6112.89.19.16.571.712.297.814.531.09.927.942.418.458.534.032.859.630.72.90.737.719.911.74.9-44.21.29.4-9.5-55.311.14.3

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity

aiv:AIMCOPropertiesLP


Comprehensive
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-25.058428.9171423.568702919.7816056.80195287232216
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-11.619.64.061.91.631.2126.54.2249.82.738.6112.89.19.16.5
Percentage of Revenues aiv:AIMCOPropertiesLP-11.619.64.00.01.631.2126.50.0249.82.738.60.09.19.16.5

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.3836.311-17.4538.1189.69610121112109.07212131112101010101111119.4511112101210101011101111121213111412121114121511
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.315.9-45.23.84.44.55.55.15.44.53.95.15.54.64.74.14.14.34.24.54.54.83.84.54.94.45.34.34.14.24.74.34.34.64.64.65.04.25.44.54.43.95.34.45.54.2

us-gaap:GeneralAndAdministrativeExpense dei:LegalEntity

aiv:AIMCOOPLP


General
Period End2021-06-302021-03-312020-06-302020-03-31
Value7.3836.3111.6251.762
Percentage of GeneralAndAdministrativeExpense100.0100.016.817.4
Percentage of Revenues18.315.90.70.8
Percentage of Revenues aiv:AIMCOOPLP18.315.94.44.6

aiv:AIMCOPropertiesLP


General
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
Value-17.4538.1189.69610121112109.07212131112101010
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0102.6
Percentage of Revenues-45.23.84.44.55.55.15.44.53.95.15.54.64.74.14.14.4
Percentage of Revenues aiv:AIMCOPropertiesLP0.03.84.44.50.05.15.44.50.05.15.54.60.04.14.14.4

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-23.14616-35.427-26.562405.7441410.874682946893.8912.5397.978-29.73717151212122217181518111213129.282208.1184.3040.7528.524.455-11.691-24.685-43.012-27.421-45.422-34.083-48.296-51.377
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-57.341.0-91.7-12.318.42.661.50.430.4127.8297.01.61.03.2-11.76.96.05.14.84.98.97.27.66.37.44.75.15.35.13.78.03.21.70.33.21.7-4.3-9.0-15.8-9.7-16.2-11.9-17.8-18.8

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity

aiv:AIMCOOPLP


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value-23.146161.0812.532
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.02.744.1
Percentage of Revenues-57.341.00.51.1
Percentage of Revenues aiv:AIMCOOPLP-57.341.02.96.6

aiv:AIMCOPropertiesLP


Income
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
Value-35.427-26.562405.7441410.874682946893.8912.5397.978-29.737171512
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-91.7-12.318.42.661.50.430.4127.8297.01.61.03.2-11.76.96.05.1
Percentage of Revenues aiv:AIMCOPropertiesLP0.0-12.318.42.60.00.430.4127.80.01.61.03.20.06.96.05.1

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-47.966-7.741315-169.061-109.929-153.477-9.958-156.561-86.337139-170.485477-142.953-79.296
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest207.2-47.4-891.7636.5-272.6-2672.0-7.0-17913.2-126.747.4-24.712276.5-5630.3-993.9
Percentage of Revenues-118.7-19.4817.4-78.5-50.2-68.3-4.3-68.1-38.560.5-73.5197.0-57.1-32.0
Percentage of Revenues us-gaap:CorporateNonSegment0.0-774100.00.0-8120.1-21725.15314.30.0-5218700.0-9679.02338.50.04464.7-519.5-327.9

us-gaap:MaterialReconcilingItems


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.1180.124-3.5572.8250.5880.6370.620.5980.530.5580.5610.5090.5240.51
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-0.50.810.0-10.61.511.10.468.40.80.20.113.120.66.4
Percentage of Revenues0.30.3-9.21.30.30.30.30.30.20.20.20.20.20.2
Percentage of Revenues us-gaap:MaterialReconcilingItems7.36.80.022.56.97.20.06.86.46.40.05.76.45.6

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:AcquisitionAndOtherRealEstate


Income
Period End2020-09-302020-06-302019-09-302019-06-30
Value1010118.666
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-38.427.11351.012.7
Percentage of Revenues4.75.05.13.9
Percentage of Revenues us-gaap:OperatingSegments aiv:AcquisitionAndOtherRealEstate59.062.863.261.5

us-gaap:OperatingSegments, aiv:OperatingPortfolioSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value22212222
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-96.6131.755.1397.8
Percentage of Revenues55.354.110.110.2
Percentage of Revenues us-gaap:OperatingSegments aiv:OperatingPortfolioSegment67.165.868.168.5

us-gaap:OperatingSegments, aiv:OtherRealEstate


Income
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.9452.0422.119118.1988.245.3715.5845.7525.8235.6995.473
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-8.412.55.3203.75.8942.87.91.90.8149.7224.568.6
Percentage of Revenues4.85.11.05.23.63.62.42.42.52.42.32.2
Percentage of Revenues us-gaap:OperatingSegments aiv:OtherRealEstate65.267.568.965.50.061.557.959.00.061.560.858.8

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.3870.39-20.8317.5796.6777.2261110121313121111
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-1.72.458.8-28.516.6125.88.51192.417.84.41.9324.7454.7145.1
Percentage of Revenues1.01.0-53.93.53.13.25.24.55.45.75.65.24.64.7
Percentage of Revenues us-gaap:OperatingSegments aiv:RedevelopmentandDevelopment15.517.30.060.657.660.70.058.363.364.20.063.662.564.0

us-gaap:OperatingSegments, aiv:SameStore


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value121132139122130129128118125123121
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-458.9327.52422.986.314969.8189.543.717.23229.94866.11527.3
Percentage of Revenues56.660.462.053.156.957.655.851.051.849.449.2
Percentage of Revenues us-gaap:OperatingSegments aiv:SameStore71.373.074.00.073.173.373.20.072.972.772.3

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest


Income
Period End2021-06-302020-06-302018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9.04.4316.93445-12.489222017201529232523231819181712268.1954.1880.7029.064.569-11.461-24.224-39.23-26.311-43.44-30.584-40.794-46.992-38.266-36.933
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-22.32.013.12.818.3-4.98.88.17.18.46.211.79.610.39.69.87.68.07.47.34.810.73.21.60.33.41.7-4.2-8.8-14.4-9.3-15.5-10.7-15.0-17.2-13.8-13.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2.76-5.1-2.29-1.747-2.879-3.233-1.193-3.096-1.8272.98156-27.941-4.395-37.388-17.248-4.87-5.023-4.985-8.739-3.462-7.121-5.886-6.51-8.279-5.814-6.921-6.937-5.005-5.347-2.758-2.175-0.0770.1160.05-0.343-0.114-0.23-0.461-1.462-1.11-2.257-2.528-7.391-4.385-3.385-3.624
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6.8-12.8-5.9-0.8-1.3-1.4-0.5-1.3-0.81.324.4-11.5-1.8-15.1-6.8-1.9-2.0-2.0-3.5-1.4-2.8-2.4-2.6-3.4-2.4-2.8-2.9-2.0-2.2-1.1-0.9-0.00.00.0-0.1-0.0-0.1-0.2-0.5-0.4-0.8-0.9-2.7-1.6-1.2-1.3

us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity

aiv:AIMCOOPLP


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value-2.76-5.1-2.032-2.023
Percentage of IncomeTaxExpenseBenefit100.0100.070.662.6
Percentage of Revenues-6.8-12.8-0.9-0.9
Percentage of Revenues aiv:AIMCOOPLP-6.8-12.8-5.5-5.3

aiv:AIMCOPropertiesLP


Income
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
Value-2.29-1.747-2.879-3.233-1.193-3.096-1.8272.98156-27.941-4.395-37.388-17.248-4.87-5.023-4.985
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-5.9-0.8-1.3-1.4-0.5-1.3-0.81.324.4-11.5-1.8-15.1-6.8-1.9-2.0-2.0
Percentage of Revenues aiv:AIMCOPropertiesLP0.0-0.8-1.3-1.40.0-1.3-0.81.30.0-11.5-1.8-15.10.0-1.9-2.0-2.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:InvestmentType

us-gaap:RestructuringCharges


Income
Period End2021-06-302021-03-312020-06-30
Value-2.8-2.7-2.0
Percentage of IncomeTaxExpenseBenefit101.452.969.5
Percentage of Revenues-6.9-6.8-0.9
Percentage of Revenues us-gaap:RestructuringCharges0.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1212-113.14550484145423941574549474950464750494847484849535257555554616162536464716773967687747677
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues31.331.8-292.823.422.318.419.918.317.618.024.818.819.919.319.319.918.819.420.219.819.519.319.619.620.321.921.623.422.322.421.724.323.824.520.124.123.726.224.826.034.426.732.227.327.628.1

us-gaap:InterestExpense dei:LegalEntity

aiv:AIMCOOPLP


Interest
Period End2021-06-302021-03-312020-06-302020-03-31
Value12125.8095.651
Percentage of InterestExpense100.0100.011.913.7
Percentage of Revenues31.331.82.72.5
Percentage of Revenues aiv:AIMCOOPLP31.331.815.614.8

aiv:AIMCOPropertiesLP


Interest
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
Value-113.145504841454239415745494749504647
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-292.823.422.318.419.918.317.618.024.818.819.919.319.319.918.819.4
Percentage of Revenues aiv:AIMCOPropertiesLP0.023.422.318.40.018.317.618.00.018.819.919.30.019.918.819.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-26.011-25.007396.7221331.979642747.4075695.0378326419181316415224266921639339128776412367105.8926838221.949-12.934-1.442-23.451-19.26-21.463-14.922-7.825-27.518
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-67.3-11.617.93.058.00.928.8119.13.2235.12.033.8103.67.77.25.665.96.289.310.628.38.926.138.216.251.931.326.149.126.44.22.325.914.58.40.7-4.7-0.5-8.3-6.7-7.9-5.5-2.8-9.9

us-gaap:NetIncomeLoss dei:LegalEntity

aiv:AIMCOPropertiesLP


Net
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
Value-15.721-24.661438.9591424.028692919.6656027.11189278222016
Percentage of NetIncomeLoss60.498.6110.1133.3106.9203.5108.5106.2130.5105.6141.2106.8105.4114.0115.1118.3
Percentage of Revenues-40.7-11.419.84.062.01.831.2126.54.2248.32.836.1109.28.88.36.6
Percentage of Revenues aiv:AIMCOPropertiesLP0.0-11.419.84.00.01.831.2126.50.0248.32.836.10.08.88.36.6

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-6.40.1923.9492.2559.2541.9915.537172.433332.11911212.5093.5393.4571214213.8285.721.8444.819106.207167.563162512-3.969-3.0592814118.6984.3616.099-3.52-8.017-12.749-13.56-2.34510
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-16.60.11.81.04.00.92.57.51.014.00.84.88.51.01.41.45.25.88.61.62.30.72.04.52.66.73.16.710.14.8-1.5-1.210.65.44.23.21.62.2-1.3-2.8-4.7-5.0-0.83.9

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
Value-19.6920-15.05-25.046396.6791332.003592715.2265672.8178126217151116211221236619608936124756412266105.0567240.523-10.609-23.411-14.801-33.177-31.773-38.427-28.5-17.995-40.44
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 Revenues-48.750.8-38.9-11.617.93.058.00.926.4118.02.3233.81.132.9102.76.86.44.764.94.588.19.427.17.824.836.615.050.530.425.848.626.03.92.025.59.00.2-3.9-8.6-5.3-11.8-11.1-14.2-10.4-6.5-14.6

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity

aiv:AIMCOOPLP


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value-20.727213.2284.663
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic105.3105.38.269.8
Percentage of Revenues-51.353.51.52.1
Percentage of Revenues aiv:AIMCOOPLP-51.353.58.712.2

aiv:AIMCOPropertiesLP


Net
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
Value-27.289-26.387417.0471402.138622865.5515972.94985274181612
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic181.3105.4105.4105.5105.4106.7106.0105.5106.2105.3104.7104.6104.7104.7104.9104.8
Percentage of Revenues-70.6-12.218.93.161.10.928.0124.52.4246.21.234.4107.57.26.74.9
Percentage of Revenues aiv:AIMCOPropertiesLP0.0-12.218.93.10.00.928.0124.50.0246.21.234.40.07.26.74.9

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
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
Value-15.7692.2114.1754.0731402.138622865.5515972.94985274181612
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic104.8-8.810.661.0105.4106.7106.0105.5106.2105.3104.7104.6104.7104.7104.9104.8
Percentage of Revenues-40.81.01.91.861.10.928.0124.52.4246.21.234.4107.57.26.74.9
Percentage of Revenues srt:Subsidiaries-40.85.911.210.661.10.928.0124.52.4246.21.234.4107.57.26.74.9

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:StatementEquityComponents

us-gaap:Parent


Net
Period End2021-06-302021-03-31
Value-19.6920
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0
Percentage of Revenues-48.750.8
Percentage of Revenues us-gaap:Parent0.00.0

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-31
Value-19.6920
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0
Percentage of Revenues-48.750.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4443-411.636201186188193191184188165195200194237195189188189190186182180182179183178179180183177186195197205216222230233237231245239237241253
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues109.9110.5-1065.193.685.484.184.183.282.182.071.580.680.378.593.276.776.076.675.976.474.474.273.474.073.275.073.772.773.373.870.873.375.277.477.181.082.384.285.584.382.385.588.287.087.491.4

us-gaap:OperatingExpenses dei:LegalEntity

aiv:AIMCOOPLP


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value44433536
Percentage of OperatingExpenses100.0100.019.319.3
Percentage of Revenues109.9110.516.416.2
Percentage of Revenues aiv:AIMCOOPLP109.9110.596.895.2

aiv:AIMCOPropertiesLP


Operating
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
Value-411.636201186188193191184188165195200194237195189188
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1065.193.685.484.184.183.282.182.071.580.680.378.593.276.776.076.6
Percentage of Revenues aiv:AIMCOPropertiesLP0.093.685.484.10.083.282.182.00.080.680.378.50.076.776.076.6

us-gaap:OperatingExpenses us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value2828-260.801130118120133118115119102124132123182123118116114111108115107107106
Percentage of OperatingExpenses64.964.263.464.963.663.968.862.162.663.361.763.665.863.776.563.362.762.060.458.458.263.259.758.859.3
Percentage of Revenues71.371.0-674.860.754.353.757.951.751.451.944.151.252.950.071.348.647.747.445.944.743.346.943.843.543.4
Percentage of Revenues us-gaap:CorporateNonSegment0.02824200.00.06283.023482.2-4178.40.03960366.712925.32004.80.01161.4480.6511.90.0527.2521.8526.50.0875.6710.8315.80.0437.2469.7

us-gaap:MaterialReconcilingItems


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1.5011.706-19.9159.7067.9318.1757.1158.2347.7258.1897.8328.4057.6558.631-0.0910.412.2652.3032.1542.2692.2311.9452.2352.2792.23
Percentage of OperatingExpenses3.43.94.84.84.24.33.74.34.24.34.74.33.84.4-0.00.21.21.21.11.21.21.11.21.21.2
Percentage of Revenues3.74.3-51.54.53.63.63.13.63.43.63.43.53.13.5-0.00.20.90.90.90.90.90.80.90.90.9
Percentage of Revenues us-gaap:MaterialReconcilingItems92.793.20.077.593.192.80.093.293.693.60.094.293.494.30.035.031.531.60.031.030.425.60.030.231.0

us-gaap:OperatingExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:AcquisitionAndOtherRealEstate


Operating
Period End2020-09-302020-06-302019-09-302019-06-30
Value7.1036.4856.8625.431
Percentage of OperatingExpenses3.53.53.63.0
Percentage of Revenues3.33.03.02.4
Percentage of Revenues us-gaap:OperatingSegments aiv:AcquisitionAndOtherRealEstate41.037.236.838.5

us-gaap:OperatingSegments, aiv:OperatingPortfolioSegment


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value10111010
Percentage of OperatingExpenses24.725.45.65.6
Percentage of Revenues27.128.14.84.7
Percentage of Revenues us-gaap:OperatingSegments aiv:OperatingPortfolioSegment32.934.231.931.5

us-gaap:OperatingSegments, aiv:OtherRealEstate


Operating
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.0360.9850.9556.1744.7775.1493.9043.8833.7313.6523.6793.839
Percentage of OperatingExpenses2.32.20.53.32.52.72.12.12.21.91.82.0
Percentage of Revenues2.62.50.42.72.12.21.71.71.61.51.51.5
Percentage of Revenues us-gaap:OperatingSegments aiv:OtherRealEstate34.832.531.134.50.038.542.141.00.038.539.241.2

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.1021.867-13.6554.9194.9124.6876.1337.4697.037.297.1587.2426.9366.499
Percentage of OperatingExpenses4.74.23.32.42.62.53.23.93.83.94.33.73.53.3
Percentage of Revenues5.24.7-35.32.32.22.12.73.23.13.23.13.02.82.6
Percentage of Revenues us-gaap:OperatingSegments aiv:RedevelopmentandDevelopment84.582.70.039.442.439.30.041.736.735.80.036.437.536.0

us-gaap:OperatingSegments, aiv:SameStore


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4948483948474738464646
Percentage of OperatingExpenses24.426.125.820.525.225.625.022.923.923.124.1
Percentage of Revenues22.822.321.717.221.021.020.516.419.318.518.9
Percentage of Revenues us-gaap:OperatingSegments aiv:SameStore28.727.026.00.026.926.726.80.027.127.327.7

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-06-302020-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-4.007-4.1661.1881.8514649531759595760586463656465616367656573676457605048433944494131353423
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-9.9-10.50.50.819.419.721.56.823.324.023.424.123.625.625.826.626.026.825.026.327.326.726.229.226.724.822.622.919.017.715.814.515.717.714.511.813.012.68.6

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-06-302020-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-28.827-28.241-23.253-23.411-113.56-104.724-99.625-115.005-100.217-95.978-94.716-104.797-98.453-93.473-78.931-85.026-82.699-83.58
Percentage of OperatingIncomeLoss719.4677.9-1957.3-1264.8-241.9-212.2-186.6-665.4-169.3-160.8-163.9-174.4-167.6-145.1-124.2-129.8-129.2-127.3
Percentage of Revenues-71.3-71.0-10.6-10.4-46.8-41.9-40.2-45.1-39.4-38.5-38.4-42.0-39.6-37.2-32.1-34.6-33.6-34.1
Percentage of Revenues us-gaap:CorporateNonSegment0.0-2824100.0-4595.5810.6-1061.4-380.6-411.90.0-427.2-421.8-426.50.0-775.6-610.8-215.80.0-337.2-369.7

us-gaap:MaterialReconcilingItems


Operating
Period End2021-06-302021-03-312020-06-302020-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.1180.1240.1190.1240.5210.5370.518-0.0940.764.9344.9935.055.0425.1065.6485.7835.2734.957
Percentage of OperatingIncomeLoss-2.9-3.010.06.71.11.11.0-0.51.38.38.68.48.67.98.98.88.27.6
Percentage of Revenues0.30.30.10.10.20.20.2-0.00.32.02.02.02.02.02.32.42.12.0
Percentage of Revenues us-gaap:MaterialReconcilingItems7.36.81.41.45.86.65.70.065.068.568.40.069.069.674.40.069.869.0

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

us-gaap:OperatingSegments, aiv:OperatingPortfolioSegment


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value22212222
Percentage of OperatingIncomeLoss-558.3-516.51868.91234.5
Percentage of Revenues55.354.110.110.2
Percentage of Revenues us-gaap:OperatingSegments aiv:OperatingPortfolioSegment67.165.868.168.5

us-gaap:OperatingSegments, aiv:OtherRealEstate


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.9452.0422.1192.287
Percentage of OperatingIncomeLoss-48.5-49.0178.4123.6
Percentage of Revenues4.85.11.01.0
Percentage of Revenues us-gaap:OperatingSegments aiv:OtherRealEstate65.267.568.912.8

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment


Operating
Period End2021-06-302021-03-31
Value0.3870.39
Percentage of OperatingIncomeLoss-9.7-9.4
Percentage of Revenues1.01.0
Percentage of Revenues us-gaap:OperatingSegments aiv:RedevelopmentandDevelopment15.517.3

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-243000.0-355000.0-60000.0-312000.0-402000.016000.061000.0-59000.01736000.0-355000.0-62000.01785000.01050000.01104000.0-1125000.01587000.0391000.0-245000.05929000.0901000.0637000.0-365000.0-580000.0-972000.0-206000.0-766000.0132000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.1-0.2-0.0-0.1-0.20.00.0-0.00.7-0.1-0.00.70.40.4-0.50.60.2-0.12.40.40.3-0.1-0.2-0.4-0.1-0.30.1

us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity

aiv:AIMCOPropertiesLP


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-243000.0-355000.0-60000.0-312000.0-402000.016000.061000.0-59000.01736000.0-355000.0-62000.01785000.01050000.01104000.0-1125000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.1-0.2-0.0-0.1-0.20.00.0-0.00.7-0.1-0.00.70.40.4-0.5
Percentage of Revenues aiv:AIMCOPropertiesLP-0.1-0.2-0.00.0-0.20.00.00.00.7-0.1-0.00.00.40.4-0.5

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

aiv:AIMCOPropertiesLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-228000.0-332000.0-56000.0-293000.0-378000.015000.057000.0-56000.01642000.0-336000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax93.893.593.393.994.093.893.494.994.694.6
Percentage of Revenues-0.1-0.2-0.0-0.1-0.20.00.0-0.00.7-0.1
Percentage of Revenues aiv:AIMCOPropertiesLP aiv:GeneralPartnerAndSpecialLimitedPartner0.00.00.00.00.00.00.00.00.00.0

aiv:AIMCOPropertiesLP, aiv:PartnersCapitalAttributableToPartnership


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-243000.0-355000.0-60000.0-312000.0-402000.016000.061000.0-59000.01736000.0-355000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.1-0.2-0.0-0.1-0.20.00.0-0.00.7-0.1
Percentage of Revenues aiv:AIMCOPropertiesLP aiv:PartnersCapitalAttributableToPartnership0.00.00.00.00.00.00.00.00.00.0

aiv:AIMCOPropertiesLP, us-gaap:LimitedPartner


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-15000.0-23000.0-4000.0-19000.0-24000.01000.04000.0-3000.094000.0-19000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax6.26.56.76.16.06.26.65.15.45.4
Percentage of Revenues-0.0-0.0-0.0-0.0-0.00.00.0-0.00.0-0.0
Percentage of Revenues aiv:AIMCOPropertiesLP us-gaap:LimitedPartner0.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-15000.0-23000.0-4000.0-19000.0-24000.01000.04000.0-3000.094000.0-19000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax6.26.56.76.16.06.26.65.15.45.4
Percentage of Revenues-0.0-0.0-0.0-0.0-0.00.00.0-0.00.0-0.0
Percentage of Revenues aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-228000.0-332000.0-56000.0-293000.0-378000.015000.057000.0-56000.01642000.0-336000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax93.893.593.393.994.093.893.494.994.694.6
Percentage of Revenues-0.1-0.2-0.0-0.1-0.20.00.0-0.00.7-0.1
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-228000.0-332000.0-56000.0-293000.0-378000.015000.057000.0-56000.01642000.0-336000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax93.893.593.393.994.093.893.494.994.694.6
Percentage of Revenues-0.1-0.2-0.0-0.1-0.20.00.0-0.00.7-0.1
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2.9180.363-0.154-0.4150.2880.2310.072-0.064-0.2830.20.2240.0926.9370.20.4650.530.5584.9060.077-0.244-1.9830.352.264-0.7721.7330.189-1.9797.535-1.563-0.987-2.266
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.20.9-0.1-0.20.10.10.0-0.0-0.10.10.10.02.70.10.20.20.22.00.0-0.1-0.80.10.9-0.30.70.1-0.83.0-0.6-0.4-0.9

us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity

aiv:AIMCOOPLP


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.9180.363-0.154-0.415
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0
Percentage of Revenues7.20.9-0.1-0.2
Percentage of Revenues aiv:AIMCOOPLP7.20.9-0.4-1.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-20.38621-15.435-24.815438.9771423.97692919.846037.156952862221171773024529752368104451448481148796.9792.83397533410-8.5744.657-26.971-27.277-34.212-28.482-10.17-16.76
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-50.453.8-39.9-11.519.74.062.11.731.2126.54.2249.12.938.6112.18.78.77.071.112.197.912.130.79.628.142.618.858.534.332.859.231.22.71.136.619.912.63.9-3.11.7-9.6-9.5-12.6-10.4-3.7-6.1

us-gaap:ProfitLoss dei:LegalEntity

aiv:AIMCOOPLP


Profit
Period End2021-06-302021-03-312020-06-302020-03-31
Value-20.386213.1134.555
Percentage of ProfitLoss100.0100.07.250.7
Percentage of Revenues-50.453.81.42.0
Percentage of Revenues aiv:AIMCOOPLP-50.453.88.411.9

aiv:AIMCOPropertiesLP


Profit
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
Value-33.137-24.815438.9771423.97692919.846037.15695286222117
Percentage of ProfitLoss214.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-85.7-11.519.74.062.11.731.2126.54.2249.12.938.6112.18.78.77.0
Percentage of Revenues aiv:AIMCOPropertiesLP0.0-11.519.74.00.01.731.2126.50.0249.12.938.60.08.78.77.0

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Profit
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
Value-15.4351.9963.8833.7851423.97692919.846037.15695286222117
Percentage of ProfitLoss100.0-8.09.042.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-39.90.91.81.762.11.731.2126.54.2249.12.938.6112.18.78.77.0
Percentage of Revenues srt:Subsidiaries-39.95.310.49.962.11.731.2126.54.2249.12.938.6112.18.78.77.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value403938215218224230229224230232242250247255254249246249248251246245246244244242246246248250254259255265267270273272281281286271273276276
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues dei:LegalEntity

aiv:AIMCOOPLP


Revenuesdei:
Period End2021-06-302021-03-312020-06-302020-03-31
Value40393738
Percentage of Revenues100.0100.017.017.1
Percentage of Revenues100.0100.017.017.1
Percentage of Revenues aiv:AIMCOOPLP100.0100.0100.0100.0

aiv:AIMCOPropertiesLP


Revenuesdei:
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
Value-507.364215218224230229224230232242250247255254249246
Percentage of Revenues-1312.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1312.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues aiv:AIMCOPropertiesLP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidatedEntities

srt:Subsidiaries


Revenuesus-gaap:
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
Value38373738230229224230232242250247255254249246
Percentage of Revenues100.017.317.017.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.017.317.017.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues srt:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Revenuesus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.001-5.2012.0820.506-2.888180.0030.8925.95913102724672322229.597121536222422
Percentage of Revenues0.0-13.51.00.2-1.37.90.00.42.65.64.411.09.826.39.29.19.03.85.16.114.99.210.09.2
Percentage of Revenues0.0-13.51.00.2-1.37.90.00.42.65.64.411.09.826.39.29.19.03.85.16.114.99.210.09.2
Percentage of Revenues us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1.6191.83-23.472128.5198.8127.7358.8328.2558.7478.3798.9268.1929.149-0.1851.177.1997.2967.2047.3117.3377.5938.0187.5527.187
Percentage of Revenues4.04.6-60.75.83.93.93.43.83.73.83.63.73.33.7-0.10.52.93.02.92.92.93.13.33.12.9
Percentage of Revenues4.04.6-60.75.83.93.93.43.83.73.83.63.73.33.7-0.10.52.93.02.92.92.93.13.33.12.9
Percentage of Revenues us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, aiv:AcquisitionAndOtherRealEstate


Revenuesus-gaap:
Period End2020-09-302020-06-302019-09-302019-06-30
Value17171814
Percentage of Revenues8.08.08.16.3
Percentage of Revenues8.08.08.16.3
Percentage of Revenues us-gaap:OperatingSegments aiv:AcquisitionAndOtherRealEstate100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:OperatingPortfolioSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value33323233
Percentage of Revenues82.582.114.914.9
Percentage of Revenues82.582.114.914.9
Percentage of Revenues us-gaap:OperatingSegments aiv:OperatingPortfolioSegment100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:OtherRealEstate


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.9813.0273.0741712139.2759.4679.4839.4759.3789.312
Percentage of Revenues7.47.61.48.05.65.84.14.14.13.93.73.8
Percentage of Revenues7.47.61.48.05.65.84.14.14.13.93.73.8
Percentage of Revenues us-gaap:OperatingSegments aiv:OtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.4892.257-34.4861211111817192020191818
Percentage of Revenues6.25.7-89.25.85.35.37.97.88.58.88.78.27.47.3
Percentage of Revenues6.25.7-89.25.85.35.37.97.88.58.88.78.27.47.3
Percentage of Revenues us-gaap:OperatingSegments aiv:RedevelopmentandDevelopment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:SameStore


Revenuesus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value171180187161179176175156172169168
Percentage of Revenues79.482.683.770.477.978.776.367.471.167.968.1
Percentage of Revenues79.482.683.770.477.978.776.367.471.167.968.1
Percentage of Revenues us-gaap:OperatingSegments aiv:SameStore100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value23122217184070427121704868286539624062836190618565446255607961696199618762326293627461426144621761576215609759376078608360796489647063706401656569476823687170427164726173787906
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 dei:LegalEntity

aiv:AIMCOOPLP


Assetsdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value2312221718401260
Percentage of Assets100.0100.0100.018.5
Percentage of Assets100.0100.0100.018.5
Percentage of Assets aiv:AIMCOOPLP100.0100.0100.0100.0

aiv:AIMCOPropertiesLP


Assetsdei:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value7042712170486828653962406283619061856544625560796232
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets aiv:AIMCOPropertiesLP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value809906837629279323440340323691603583575615627285362628501
Percentage of Assets11.512.711.99.24.35.27.05.55.210.69.69.69.39.910.14.65.810.08.2
Percentage of Assets11.512.711.99.24.35.27.05.55.210.69.69.69.39.910.14.65.810.08.2
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, aiv:AcquisitionAndOtherRealEstate


Assetsus-gaap:
Period End2020-09-302020-06-302019-12-31
Value881795803
Percentage of Assets12.511.211.8
Percentage of Assets12.511.211.8
Percentage of Assets us-gaap:OperatingSegments aiv:AcquisitionAndOtherRealEstate100.0100.0100.0

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value859826731946899852822792
Percentage of Assets12.211.610.413.913.813.713.112.8
Percentage of Assets12.211.610.413.913.813.713.112.8
Percentage of Assets us-gaap:OperatingSegments aiv:RedevelopmentandDevelopment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:SameStore


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value44914592464339824083411041484148
Percentage of Assets63.864.565.958.362.465.966.067.0
Percentage of Assets63.864.565.958.362.465.966.067.0
Percentage of Assets us-gaap:OperatingSegments aiv:SameStore100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value17461632127748215245515148664651429642224325388947884491432146324619424941844363426943204292438042514292456644144649482248265314532751815166538254975659564357485830588159686255
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets75.573.669.468.573.773.171.371.168.867.269.962.973.271.871.175.174.568.767.169.368.070.369.970.569.069.174.974.476.579.379.481.982.381.380.782.079.182.982.181.681.481.080.979.1

us-gaap:Liabilities dei:LegalEntity

aiv:AIMCOOPLP


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value174616321277741
Percentage of Liabilities100.0100.0100.015.2
Percentage of Assets75.573.669.410.9
Percentage of Assets aiv:AIMCOOPLP75.573.669.458.9

aiv:AIMCOPropertiesLP


Liabilitiesdei:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4821524551514866465142964222432538894788449143214184
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets68.573.773.171.371.168.867.269.962.973.271.871.167.1
Percentage of Assets aiv:AIMCOPropertiesLP68.573.773.171.371.168.867.269.962.973.271.871.167.1

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value23122217184070427121704868286539624062836190618565446255607961696199618762326293627461426144621761576215609759376078608360796489647063706401656569476823687170427164726173787906
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
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:LiabilitiesAndStockholdersEquity dei:LegalEntity

aiv:AIMCOOPLP


Liabilities
Period End2021-06-302021-03-312020-12-31
Value231222171840
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0
Percentage of Assets100.0100.0100.0
Percentage of Assets aiv:AIMCOOPLP100.0100.0100.0

aiv:AIMCOPropertiesLP


Liabilities
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value7042712170486828653962406283619061856544625560796232
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets aiv:AIMCOPropertiesLP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value502520499212116981717178017051763188316992125161416701663145414941688179316821771160316221601162816151227122811409839678828518889158751147862908951979101410461239
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.723.527.230.123.824.426.126.128.330.027.534.424.726.727.423.624.127.328.826.728.226.126.425.826.526.020.120.718.816.215.913.613.213.914.313.316.512.613.213.513.714.014.215.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value28622628922839834014258331623676556365614755645045461642829333855674649841023128391758581111145787781299210
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.410.215.73.25.64.82.10.90.52.60.61.30.91.01.11.00.80.91.00.80.70.82.60.50.50.60.60.91.00.70.81.31.64.51.21.31.11.21.11.50.00.00.01.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue dei:LegalEntity

aiv:AIMCOOPLP


Cash
Period End2021-06-302021-03-312020-12-312019-12-31
Value2862262895.403
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.03.8
Percentage of Assets12.410.215.70.1
Percentage of Assets aiv:AIMCOOPLP12.410.215.70.4

aiv:AIMCOPropertiesLP


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value22839834014258331623676615028
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.25.64.82.10.90.52.60.61.31.00.80.5
Percentage of Assets aiv:AIMCOPropertiesLP3.25.64.82.10.90.52.60.61.31.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Cash
Period End2020-09-302019-12-31
Value1511
Percentage of CashAndCashEquivalentsAtCarryingValue7.08.1
Percentage of Assets0.20.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.0

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
Value295235298268442374177936519872104138139142133133138131137
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 Assets12.810.616.23.86.25.32.61.41.13.21.21.72.12.22.32.22.22.22.12.2

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents dei:LegalEntity

aiv:AIMCOOPLP


Cash
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value2952352989.9711010
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.02.32.75.7
Percentage of Assets12.810.616.20.10.10.1
Percentage of Assets aiv:AIMCOOPLP12.810.616.20.00.00.8

aiv:AIMCOPropertiesLP


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value298268442374177936519872104138139142133133138131137
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.23.86.25.32.61.41.13.21.21.72.12.22.32.22.22.22.12.2
Percentage of Assets aiv:AIMCOPropertiesLP0.03.86.25.32.61.41.13.21.21.72.12.22.30.00.00.02.10.0

Land

us-gaap:Land

us-gaap:Land


Land
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5185065051891186618691869188717411731175618581925184718611861187818811883188517711811186718811937195219401943200620602060205320972107212821392121
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.422.927.426.926.226.527.428.927.927.628.429.830.629.430.330.330.230.630.330.929.829.830.730.929.930.230.530.430.629.730.229.929.829.429.329.026.8

us-gaap:Land dei:LegalEntity

aiv:AIMCOOPLP


Landdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value518506505447
Percentage of Land100.0100.0100.024.0
Percentage of Assets22.422.927.46.6
Percentage of Assets aiv:AIMCOOPLP22.422.927.435.5

aiv:AIMCOPropertiesLP


Landdei:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value18911866186918691887174117311756
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.926.226.527.428.927.927.628.4
Percentage of Assets aiv:AIMCOPropertiesLP26.926.226.527.428.927.927.628.4

us-gaap:Land us-gaap:BusinessAcquisition

aiv:AssetAcquisitions


Landus-gaap:
Period End2020-08-252019-12-31
Value56162
Percentage of Land0.08.7
Percentage of Assets0.02.4
Percentage of Assets aiv:AssetAcquisitions0.00.0

aiv:HamiltonOnTheBay


Landus-gaap:
Period End2020-08-25
Value56
Percentage of Land0.0
Percentage of Assets0.0
Percentage of Assets aiv:HamiltonOnTheBay0.0

us-gaap:Land us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Landus-gaap:
Period End2020-12-312019-12-31
Value505447
Percentage of Land100.024.0
Percentage of Assets27.46.6
Percentage of Assets us-gaap:OperatingSegments0.00.0

us-gaap:Land us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:OperatingPortfolioSegment


Landus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value298298298298
Percentage of Land57.558.959.116.0
Percentage of Assets12.913.516.24.4
Percentage of Assets us-gaap:OperatingSegments aiv:OperatingPortfolioSegment0.00.00.00.0

us-gaap:OperatingSegments, aiv:Other


Landus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value150150150149
Percentage of Land28.929.629.78.0
Percentage of Assets6.56.88.22.2
Percentage of Assets us-gaap:OperatingSegments aiv:Other0.00.00.00.0

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment


Landus-gaap:
Period End2021-06-302021-03-312020-12-31
Value705856
Percentage of Land13.611.511.2
Percentage of Assets3.02.63.1
Percentage of Assets us-gaap:OperatingSegments aiv:RedevelopmentandDevelopment0.00.00.0

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:CorporateJointVenture


Investments
Period End2020-09-08
Value2400
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0
Percentage of Assets0.0
Percentage of Assets us-gaap:CorporateJointVenture0.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-31
Value4820000.05745000.07264000.0
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0
Percentage of Assets0.20.30.4

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:LeasesAcquiredInPlace


Finite
Period End2020-12-31
Value7264000.0
Percentage of FiniteLivedIntangibleAssetsNet100.0
Percentage of Assets0.4
Percentage of Assets us-gaap:LeasesAcquiredInPlace0.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-31
Value5.35.4
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets0.20.2

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Operating
Period End2021-06-302021-03-312020-12-31
Value43843792
Percentage of OperatingLeaseRightOfUseAsset8267.98105.50.0
Percentage of Assets19.019.75.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Operating
Period End2020-12-31
Value92
Percentage of OperatingLeaseRightOfUseAsset0.0
Percentage of Assets5.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value15217863383376361351395455441351344329360460473478457465476470500514502513513529520328338359246250239188170185
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.68.03.45.45.35.15.16.07.37.05.75.55.25.77.57.77.77.47.57.87.98.28.58.37.97.98.38.15.04.95.33.63.63.32.62.32.4

us-gaap:OtherAssets dei:LegalEntity

aiv:AIMCOOPLP


Other
Period End2021-06-302021-03-312020-12-312019-12-31
Value1521786321
Percentage of OtherAssets100.0100.0100.06.0
Percentage of Assets6.68.03.40.3
Percentage of Assets aiv:AIMCOOPLP6.68.03.41.7

aiv:AIMCOPropertiesLP


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value383376361351395455441351
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.45.35.15.16.07.37.05.7
Percentage of Assets aiv:AIMCOPropertiesLP5.45.35.15.16.07.37.05.7

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-31
Value252525
Percentage of OtherAssets16.914.240.0
Percentage of Assets1.11.11.4
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary0.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1915163840
Percentage of OtherAssets13.08.926.810.111.5
Percentage of Assets0.90.70.90.60.6
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.0

us-gaap:OtherAssets us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Other
Period End2020-12-31
Value12
Percentage of OtherAssets19.7
Percentage of Assets0.7
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary0.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2020-12-312019-12-31
Value1614
Percentage of OtherAssets26.84.2
Percentage of Assets0.90.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value10769649824406489248024505425439973929407543004000388440553955391738733935386638884135396242064388
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.643.553.462.668.768.166.065.164.162.565.869.464.662.364.463.063.863.063.362.862.667.866.769.272.2

us-gaap:LongTermDebt dei:LegalEntity

aiv:AIMCOOPLP


Long
Period End2021-06-302021-03-312020-12-312019-12-31
Value1076964982558
Percentage of LongTermDebt100.0100.0100.012.4
Percentage of Assets46.643.553.48.2
Percentage of Assets aiv:AIMCOOPLP46.643.553.444.4

aiv:AIMCOPropertiesLP


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value44064892480245054254399739294075
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets62.668.768.166.065.164.162.565.8
Percentage of Assets aiv:AIMCOPropertiesLP62.668.768.166.065.164.162.565.8

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312019-12-31
Value128125131148
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0
Percentage of Assets5.55.77.12.2

us-gaap:DeferredIncomeTaxLiabilitiesNet dei:LegalEntity

aiv:AIMCOOPLP


Deferred
Period End2021-06-302021-03-312020-12-312019-12-31
Value128125131148
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0
Percentage of Assets5.55.77.12.2
Percentage of Assets aiv:AIMCOOPLP5.55.77.111.8

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312019-09-302019-06-302019-03-31
Value1841000.01841000.01841000.05156000.05156000.05156000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312019-09-302019-06-302019-03-31
Value1871000.01871000.01871000.05143000.05143000.05143000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312019-09-302019-06-302019-03-31
Value1900000.01900000.01900000.05053000.05053000.05053000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-06-302021-03-312020-12-312019-09-302019-06-302019-03-31
Value1930000.01930000.01930000.04363000.04363000.04363000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-06-302021-03-312020-12-312019-09-302019-06-302019-03-31
Value6.8076.8066.814432432432
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.46.66.96.9

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-30
Value131313579580
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.70.81.51.3

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312019-09-302019-06-302019-03-31
Value151515453455456
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.96.97.37.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312019-09-302019-06-30
Value1.8972.0062.113358356
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.15.55.7

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value502520499212116981717178017051763188316992125161416701663145414941688179316821771160316221601162816151227122811409839678828518889158751147862908951979101410461239
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.723.527.230.123.824.426.126.128.330.027.534.424.726.727.423.624.127.328.826.728.226.126.425.826.526.020.120.718.816.215.913.613.213.914.313.316.512.613.213.513.714.014.215.7

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value5615815592136177417951860178618421960176321941654166216551435147818361944182719181735176317481818183414421443134911811172109510631108115411021369108011441201124112761306153416462048
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.326.230.430.324.925.527.227.329.531.228.535.525.326.627.223.323.829.731.229.030.628.228.728.129.529.523.724.322.219.419.316.916.417.418.016.819.715.816.717.117.317.617.719.40.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value26282775798183798279677042-4.788-5.675-15.542-13.794-5.001-0.058-5.386-2.572-10.839-9.851-17.365-15.948-16.651-18.926-18.772-23.356-25.451-27.721-32.722-35.106-33.255-31.596-36.98-37.065-37.477-34.321-30.195-30.728
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest4.74.94.93.54.54.54.54.44.54.13.83.22.6-0.3-0.3-1.1-0.9-0.3-0.0-0.3-0.1-0.6-0.6-1.0-0.9-0.9-1.3-1.3-1.7-2.2-2.4-3.0-3.3-3.0-2.7-3.4-2.7-3.5-3.0-2.5-2.4
Percentage of Assets1.21.31.51.11.11.21.21.21.31.31.11.10.7-0.1-0.1-0.3-0.2-0.1-0.0-0.1-0.0-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.4-0.4-0.5-0.5-0.5-0.5-0.5-0.6-0.5-0.5-0.5-0.4-0.4
Percentage of Assets aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value313131-60.212-3.19-3.409-3.2961.5-2.718-2.857-2.967-1.605-2.984-2.755-1.716-2.955-2.609153151150150142151164205235233234233223233245246253271264258256270279291
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest5.75.55.7-2.8-0.2-0.2-0.20.1-0.1-0.1-0.2-0.1-0.2-0.2-0.1-0.2-0.28.37.88.27.88.28.69.411.312.916.216.217.318.919.922.423.222.923.524.018.923.723.623.322.3
Percentage of Assets1.41.41.7-0.9-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.02.52.42.42.42.32.52.63.33.83.83.93.83.73.83.83.84.04.24.03.73.83.94.04.0
Percentage of Assets aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-1884.602-1798.561-1776.782-1722.402-1797.851-1741.765-1742.998-1947.507-1894.054-2402.101-2345.206-2367.073-2385.399-2596.917-2649.542-2798.853-2863.287-2841.467-2680.955-2492.082-2335.628-2019.718
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-88.2-101.4-99.0-92.6-100.7-94.5-88.9-110.4-86.3-145.2-141.1-143.0-122.6-147.2-183.7-238.7-247.9-248.2-205.2-162.4-141.8-98.6
Percentage of Assets-26.8-25.3-25.2-25.2-27.5-27.9-27.7-31.5-30.6-36.7-37.5-38.9-38.3-42.3-43.5-46.0-44.7-41.3-36.3-31.50.00.0
Percentage of Assets us-gaap:AccumulatedDistributionsInExcessOfNetIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value3.5793.8074.1394.1954.4884.8664.8514.7944.853.2083.5443.6031.011-6.04-6.456-4.602-3.542-6.86-2.076-1.138-2.249-0.684
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.20.20.20.20.30.30.20.30.20.20.20.20.1-0.3-0.4-0.4-0.3-0.6-0.2-0.1-0.1-0.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.00.10.10.0-0.1-0.1-0.1-0.1-0.1-0.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value5175165154000349134883497349734983495351538883887388539004051406436963701371230983070307229102873
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest92.288.892.1187.2196.8194.3188.0195.8189.8178.3199.3177.2234.9233.7235.5208.3230.4256.3315.6321.5270.7235.0200.2176.7140.3
Percentage of Assets22.423.328.056.849.049.551.253.556.155.656.862.959.462.164.265.066.260.660.958.045.141.638.90.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value1.4961.4911.491.4891.4891.4871.4891.4891.4881.4881.4911.5261.5261.5251.5721.5691.5631.4641.4591.4561.2091.1761.1651.0060.915
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.30.30.30.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.0
Percentage of Assets0.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value5025204992121169817171780170517631883169921251614167016631454149416881793168217711603162216011628161512271228114098396788285188891587511478629081046123912661571
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest89.689.689.499.395.795.795.795.595.796.196.496.997.6100.5100.4101.3101.191.992.292.192.392.492.091.689.688.185.185.184.583.282.580.580.180.179.379.483.879.779.480.080.876.976.7
Percentage of Assets21.723.527.230.123.824.426.126.128.330.027.534.424.726.727.423.624.127.328.826.728.226.126.425.826.526.020.120.718.816.215.913.613.213.914.313.316.512.613.214.215.70.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-31
Value-16.3153.375-16.839
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.90.6-3.0
Percentage of Assets-0.70.2-0.9
Percentage of Assets us-gaap:RetainedEarnings0.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1496000.01491000.01490000.01489000.01489000.01487000.01489000.01489000.01488000.01488000.01491000.01574000.01574000.01573000.01572000.01570000.01570000.01570000.01569000.01569000.01566000.01566000.01563000.01564000.01563000.01563000.01464000.01462000.01462000.01461000.01459000.01459000.01459000.01459000.01456000.01456000.01442000.01214000.01209000.01209000.01205000.01191000.01176000.01165000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value51751651540003491348834973497349834953515388838873885390038983897405140514052406640684064406440644065369636943692370037013704370437163712371436833071309831063095308430703072
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.423.328.056.849.049.551.253.556.155.656.862.959.462.164.263.262.965.565.064.464.866.266.265.466.065.460.662.260.860.860.957.157.258.358.056.653.045.045.144.143.242.541.638.9

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-31
Value-16315000.03375000.0-16839000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0
Percentage of Assets-0.70.2-0.9

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

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AccountingStandardsUpdate201613


Retained
Period End2020-09-30
Value-300000.0
Percentage of RetainedEarningsAccumulatedDeficit0.0
Percentage of Assets-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AccountingStandardsUpdate2016130.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-16839000.03579000.03807000.04139000.04195000.04488000.04866000.04851000.04794000.04850000.03208000.03544000.03603000.01898000.0896000.0-118000.01011000.0-434000.0-710000.0-431000.0-6040000.0-6810000.0-7402000.0-7009000.0-6456000.0-5517000.0-5243000.0-4503000.0-4602000.0-5467000.0-4365000.0-4664000.0-3542000.0-6397000.0-6292000.0-4191000.0-6860000.0-8312000.0-1147000.0-2042000.0-2076000.0-1138000.0
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-0.90.10.10.10.10.10.10.10.10.10.00.10.10.00.0-0.00.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312012-12-312012-09-302011-12-31
Value0.01.071-584.61935-52.022
Percentage of StockIssuedDuringPeriodValueNewIssues0.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-31
Value0.01.069
Percentage of StockIssuedDuringPeriodValueNewIssues0.099.8
Percentage of Assets0.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-31
Value0.00.002
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.2
Percentage of Assets0.00.0
Percentage of Assets us-gaap:CommonStock0.00.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312012-12-312012-09-30
Value0.01.071-584.61935
Percentage of StockIssuedDuringPeriodValueNewIssues0.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.6380.2291.9542.1312.981.9261.9581.9863.2382.2442.262.2732.9882.0112.112.0973.0331.8611.8342.0362.8791.5241.1131.752.7091.3151.3161.7551.7531.1541.3021.3022.1571.0931.1171.1011.9121.1581.168
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue dei:LegalEntity

aiv:AIMCOOPLP


Adjustments
Period End2021-06-302021-03-31
Value0.6381.301
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0568.1
Percentage of Assets0.00.0
Percentage of Assets aiv:AIMCOOPLP0.00.0

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

aiv:AIMCOOPLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Adjustments
Period End2021-06-302021-03-31
Value0.581.243
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue90.9542.8
Percentage of Assets0.00.0
Percentage of Assets aiv:AIMCOOPLP aiv:GeneralPartnerAndSpecialLimitedPartner0.00.0

aiv:AIMCOOPLP, aiv:PartnersCapitalAttributableToPartnership


Adjustments
Period End2021-06-302021-03-31
Value0.6381.301
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0568.1
Percentage of Assets0.00.0
Percentage of Assets aiv:AIMCOOPLP aiv:PartnersCapitalAttributableToPartnership0.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0580.0581.0521.0511.0510.7970.7950.7960.7960.4550.4560.4230.3570.1530.1540.1530.153
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue9.125.353.849.335.341.440.640.124.620.320.218.611.97.67.37.35.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.580.1710.9021.081.9291.1291.1631.192.4421.7891.8041.852.631
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue90.974.746.250.764.758.659.459.975.479.779.881.488.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.580.1710.9021.081.9291.1291.1631.192.4421.7891.8041.852.6311.8581.9561.9442.881.8611.8342.0362.8791.5241.1131.752.7091.3151.3161.7551.7531.1541.3021.3022.1571.0931.1171.1011.912
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue90.974.746.250.764.758.659.459.975.479.779.881.488.192.492.792.795.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.2950.2873.4133.3783.2283.4253.3673.3593.2444.9743.8443.4097.245
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders dei:LegalEntity

aiv:AIMCOPropertiesLP


Minority
Period End2020-09-302020-06-302020-03-312018-03-31
Value0.070.0350.0737.245
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders2.11.02.3100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets aiv:AIMCOPropertiesLP0.00.00.00.0

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

aiv:AIMCOPropertiesLP, aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Minority
Period End2020-09-302020-06-302020-03-31
Value0.070.0350.073
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders2.11.02.3
Percentage of Assets0.00.00.0
Percentage of Assets aiv:AIMCOPropertiesLP aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships0.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Minority
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3.3433.3433.1553.263.283.3033.2443.4373.4293.135
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders97.999.097.795.297.498.3100.069.189.292.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership0.00.00.00.00.00.00.00.00.00.0

aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-31
Value0.2950.2870.070.0350.0730.1650.0870.0561.5370.4150.2747.245
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.02.11.02.34.82.61.730.910.88.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships0.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value142.324-218.03811067795108888193117104811091091076810199102731011019264888989547775124487490103488281672767798426
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues35.05.8-564.137.848.934.541.647.339.435.440.348.441.732.842.842.843.227.840.640.140.930.041.341.037.926.536.436.136.322.030.929.547.819.128.033.838.217.730.228.824.09.724.829.030.49.7

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

aiv:AIMCOOPLP


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value142.3241215
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.012.020.1
Percentage of Revenues35.05.85.96.9
Percentage of Revenues aiv:AIMCOOPLP35.05.834.640.6

aiv:AIMCOPropertiesLP


Net
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
Value-218.03811067795108888193117104819811710373
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.090.7107.996.7107.4
Percentage of Revenues-564.137.848.934.541.647.339.435.440.348.441.732.838.846.241.729.9
Percentage of Revenues aiv:AIMCOPropertiesLP43.037.848.934.541.647.339.435.440.348.441.732.838.846.241.729.9

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-64.114-37.937226-195.899-62.056-98.014-189.408-213.53-54.879252-117.276532-122.059-171.628288-96.985-90.916-86.238136-79.55-89.14-65.57144-131.871-104.29120-101.997176-15.224-46.089364-32.39-193.2-73.5697565-22.372-6.9665815-32.518-1.0244-14.832478.826
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-158.6-95.3586.4-90.9-28.4-43.6-82.3-92.9-24.5109.6-50.5219.7-48.8-69.3113.2-38.1-36.5-35.054.7-32.0-35.5-26.618.2-53.5-42.68.4-42.171.7-6.2-18.5145.2-12.7-74.4-28.828.424.5-8.3-2.521.55.4-11.6-0.416.5-5.417.23.2

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity

aiv:AIMCOOPLP


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value-64.114-37.937-4.103-6.653
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.06.66.8
Percentage of Revenues-158.6-95.3-1.9-3.0
Percentage of Revenues aiv:AIMCOOPLP-158.6-95.3-11.0-17.4

aiv:AIMCOPropertiesLP


Net
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
Value226-195.899-62.056-98.014-189.408-213.53-54.879252-117.276532-122.059-171.628290-96.951-91.251-87.683
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6100.0100.4101.7
Percentage of Revenues586.4-90.9-28.4-43.6-82.3-92.9-24.5109.6-50.5219.7-48.8-69.3113.9-38.1-36.6-35.6
Percentage of Revenues aiv:AIMCOPropertiesLP-44.7-90.9-28.4-43.6-82.3-92.9-24.5109.6-50.5219.7-48.8-69.3113.9-38.1-36.6-35.6

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value109-27.817189-59.63722217178132-166.025-208.227-7.89-684.751786-376.852-20.108-17.89321-224.42-27.458-22.9015.283-140.72129-106.0175013-270.738-78.83-26.061-453.695-22.00866-10.178-168.077-366.274148-49.338-125.941-105.96-31.046-56.625-145.9182.37-131.273-38.989
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues271.9-69.9489.6-27.710.497.077.557.5-74.1-90.4-3.4-282.47.135.0-147.7-7.9-7.28.7-90.0-11.0-9.12.1-57.211.8-43.320.65.7-109.7-32.0-10.5-180.9-8.625.6-4.0-63.2-137.054.8-18.0-46.1-37.7-11.0-19.8-53.80.9-47.5-14.1

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

aiv:AIMCOOPLP


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value109-27.817-8.936-8.87
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0-39.2-4.1
Percentage of Revenues271.9-69.9-4.1-4.0
Percentage of Revenues aiv:AIMCOOPLP271.9-69.9-24.0-23.2

aiv:AIMCOPropertiesLP


Net
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
Value189-59.63722217178132-166.025-208.227-7.89-684.751786-376.483-20.477-17.89321
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9101.8100.0100.0
Percentage of Revenues489.6-27.710.497.077.557.5-74.1-90.4-3.4-282.47.135.0-147.5-8.0-7.28.7
Percentage of Revenues aiv:AIMCOPropertiesLP-37.3-27.710.497.077.557.5-74.1-90.4-3.4-282.47.135.0-147.5-8.0-7.28.7

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.3710.2380.3070.159
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCosts dei:LegalEntity

aiv:AIMCOOPLP


Amortization
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.3710.2380.3070.159
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value142.324-218.03811067795108888193117104811091091076810199102731011019264888989547775124487490103488281672767798426
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues35.05.8-564.137.848.934.541.647.339.435.440.348.441.732.842.842.843.227.840.640.140.930.041.341.037.926.536.436.136.322.030.929.547.819.128.033.838.217.730.228.824.09.724.829.030.49.7

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

aiv:AIMCOOPLP


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value142.3241215
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.012.020.1
Percentage of Revenues35.05.85.96.9
Percentage of Revenues aiv:AIMCOOPLP35.05.834.640.6

aiv:AIMCOPropertiesLP


Net
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
Value-218.03811067795108888193117104819811710373
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.090.7107.996.7107.4
Percentage of Revenues-564.137.848.934.541.647.339.435.440.348.441.732.838.846.241.729.9
Percentage of Revenues aiv:AIMCOPropertiesLP43.037.848.934.541.647.339.435.440.348.441.732.838.846.241.729.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-26.011-25.007396.7221331.979642747.4075695.0378326419181316415224266921639339128776412367105.8926838221.949-12.934-1.442-23.451-19.26-21.463-14.922-7.825-27.518
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-67.3-11.617.93.058.00.928.8119.13.2235.12.033.8103.67.77.25.665.96.289.310.628.38.926.138.216.251.931.326.149.126.44.22.325.914.58.40.7-4.7-0.5-8.3-6.7-7.9-5.5-2.8-9.9

us-gaap:NetIncomeLoss dei:LegalEntity

aiv:AIMCOPropertiesLP


Net
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
Value-15.721-24.661438.9591424.028692919.6656027.11189278222016
Percentage of NetIncomeLoss60.498.6110.1133.3106.9203.5108.5106.2130.5105.6141.2106.8105.4114.0115.1118.3
Percentage of Revenues-40.7-11.419.84.062.01.831.2126.54.2248.32.836.1109.28.88.36.6
Percentage of Revenues aiv:AIMCOPropertiesLP3.1-11.419.84.062.01.831.2126.54.2248.32.836.1109.28.88.36.6

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-20.38621-15.435-24.815438.9771423.97692919.846037.156952862221171773024529752368104451448481148796.9792.83397533410-8.5744.657-26.971-27.277-34.212-28.482-10.17-16.76
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-50.453.8-39.9-11.519.74.062.11.731.2126.54.2249.12.938.6112.18.78.77.071.112.197.912.130.79.628.142.618.858.534.332.859.231.22.71.136.619.912.63.9-3.11.7-9.6-9.5-12.6-10.4-3.7-6.1

us-gaap:ProfitLoss dei:LegalEntity

aiv:AIMCOOPLP


Profit
Period End2021-06-302021-03-312020-06-302020-03-31
Value-20.386213.1134.555
Percentage of ProfitLoss100.0100.07.250.7
Percentage of Revenues-50.453.81.42.0
Percentage of Revenues aiv:AIMCOOPLP-50.453.88.411.9

aiv:AIMCOPropertiesLP


Profit
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
Value-33.137-24.815438.9771423.97692919.846037.15695286222117
Percentage of ProfitLoss214.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-85.7-11.519.74.062.11.731.2126.54.2249.12.938.6112.18.78.77.0
Percentage of Revenues aiv:AIMCOPropertiesLP6.5-11.519.74.062.11.731.2126.54.2249.12.938.6112.18.78.77.0

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Profit
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
Value-15.4351.9963.8833.7851423.97692919.846037.15695286222117
Percentage of ProfitLoss100.0-8.09.042.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-39.90.91.81.762.11.731.2126.54.2249.12.938.6112.18.78.77.0
Percentage of Revenues srt:Subsidiaries-39.95.310.49.962.11.731.2126.54.2249.12.938.6112.18.78.77.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-31
Value1.110.704
Percentage of ShareBasedCompensation100.0100.0

us-gaap:ShareBasedCompensation dei:LegalEntity

aiv:AIMCOOPLP


Share
Period End2021-06-302021-03-31
Value1.110.704
Percentage of ShareBasedCompensation100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-64.114-37.937226-195.899-62.056-98.014-189.408-213.53-54.879252-117.276532-122.059-171.628288-96.985-90.916-86.238136-79.55-89.14-65.57144-131.871-104.29120-101.997176-15.224-46.089364-32.39-193.2-73.5697565-22.372-6.9665815-32.518-1.0244-14.832478.826
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-158.6-95.3586.4-90.9-28.4-43.6-82.3-92.9-24.5109.6-50.5219.7-48.8-69.3113.2-38.1-36.5-35.054.7-32.0-35.5-26.618.2-53.5-42.68.4-42.171.7-6.2-18.5145.2-12.7-74.4-28.828.424.5-8.3-2.521.55.4-11.6-0.416.5-5.417.23.2

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity

aiv:AIMCOOPLP


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value-64.114-37.937-4.103-6.653
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.06.66.8
Percentage of Revenues-158.6-95.3-1.9-3.0
Percentage of Revenues aiv:AIMCOOPLP-158.6-95.3-11.0-17.4

aiv:AIMCOPropertiesLP


Net
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
Value226-195.899-62.056-98.014-189.408-213.53-54.879252-117.276532-122.059-171.628290-96.951-91.251-87.683
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6100.0100.4101.7
Percentage of Revenues586.4-90.9-28.4-43.6-82.3-92.9-24.5109.6-50.5219.7-48.8-69.3113.9-38.1-36.6-35.6
Percentage of Revenues aiv:AIMCOPropertiesLP-44.7-90.9-28.4-43.6-82.3-92.9-24.5109.6-50.5219.7-48.8-69.3113.9-38.1-36.6-35.6

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value109-27.817189-59.63722217178132-166.025-208.227-7.89-684.751786-376.852-20.108-17.89321-224.42-27.458-22.9015.283-140.72129-106.0175013-270.738-78.83-26.061-453.695-22.00866-10.178-168.077-366.274148-49.338-125.941-105.96-31.046-56.625-145.9182.37-131.273-38.989
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues271.9-69.9489.6-27.710.497.077.557.5-74.1-90.4-3.4-282.47.135.0-147.7-7.9-7.28.7-90.0-11.0-9.12.1-57.211.8-43.320.65.7-109.7-32.0-10.5-180.9-8.625.6-4.0-63.2-137.054.8-18.0-46.1-37.7-11.0-19.8-53.80.9-47.5-14.1

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

aiv:AIMCOOPLP


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value109-27.817-8.936-8.87
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0-39.2-4.1
Percentage of Revenues271.9-69.9-4.1-4.0
Percentage of Revenues aiv:AIMCOOPLP271.9-69.9-24.0-23.2

aiv:AIMCOPropertiesLP


Net
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
Value189-59.63722217178132-166.025-208.227-7.89-684.751786-376.483-20.477-17.89321
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9101.8100.0100.0
Percentage of Revenues489.6-27.710.497.077.557.5-74.1-90.4-3.4-282.47.135.0-147.5-8.0-7.28.7
Percentage of Revenues aiv:AIMCOPropertiesLP-37.3-27.710.497.077.557.5-74.1-90.4-3.4-282.47.135.0-147.5-8.0-7.28.7

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value60606157575767585959595656565651515151464646433837383735353534292923211414141411111111
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.0100.00.00.0203730.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.00.0100.00.00.00.0100.0100.00.00.00.0

us-gaap:PaymentsForRepurchaseOfCommonStock dei:LegalEntity

aiv:AIMCOPropertiesLP


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.0100.00.00.0203730.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.00.0100.00.00.00.0100.0100.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Ownership

us-gaap:DebtInstrumentInterestRateStatedPercentage

aiv:UptonPlaceJV


Debt
Period End2020-12-23
Value4.75
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:UptonPlaceJV0.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312012-12-312011-12-312010-12-31
Value13163695539
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value128129133136147
Percentage of DeferredTaxLiabilities0.00.0101.70.0232.3

us-gaap:DeferredTaxLiabilities us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Deferred
Period End2020-12-312019-12-31
Value133143
Percentage of DeferredTaxLiabilities101.7226.3

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value7076000.05080000.02618000.02476000.02286000.02897000.02286000.02871000.03536000.03917000.04071000.03079000.03080000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:AssetAcquisitionConsiderationTransferred us-gaap:BusinessAcquisition

aiv:AssetAcquisitionConsiderationTransferred

aiv:AssetAcquisitions


Asset
Period End2020-08-25
Value92
Percentage of AssetAcquisitionConsiderationTransferred100.0

aiv:HamiltonOnTheBay


Asset
Period End2020-08-25
Value120
Percentage of AssetAcquisitionConsiderationTransferred130.9

aiv:AssetAcquisitionPriceOfAcquisitionExpected dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType

aiv:AssetAcquisitionPriceOfAcquisitionExpected

aiv:AIMCOOPLP, aiv:FortLauderdaleFloridaJointVenture, us-gaap:SubsequentEvent


Asset
Period End2021-07-31
Value25
Percentage of AssetAcquisitionPriceOfAcquisitionExpected100.0

aiv:AssetAcquisitionPriceOfAcquisitionExpected us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType

aiv:FortLauderdaleFloridaJointVenture, us-gaap:SubsequentEvent


Asset
Period End2021-07-31
Value49
Percentage of AssetAcquisitionPriceOfAcquisitionExpected196.0

aiv:AssetAcquisitionPurchasePrice us-gaap:BusinessAcquisition

aiv:AssetAcquisitionPurchasePrice

aiv:AssetAcquisitions


Asset
Period End2020-08-25
Value89
Percentage of AssetAcquisitionPurchasePrice100.0

aiv:HamiltonOnTheBay


Asset
Period End2020-08-25
Value115
Percentage of AssetAcquisitionPurchasePrice128.8

aiv:CapitalExpendituresNetOfAccruedCapitalCosts

aiv:CapitalExpendituresNetOfAccruedCapitalCosts


Capital
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.614-0.10.9
Percentage of CapitalExpendituresNetOfAccruedCapitalCosts100.0100.0100.0100.0

aiv:CapitalExpendituresNetOfAccruedCapitalCosts dei:LegalEntity

aiv:AIMCOOPLP


Capital
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.614-0.10.9
Percentage of CapitalExpendituresNetOfAccruedCapitalCosts100.0100.0100.0100.0

aiv:CashPaidOnRedemptionOfAimcoOperatingPartnership

aiv:CashPaidOnRedemptionOfAimcoOperatingPartnership


Cash
Period End2021-06-30
Value-4000.0
Percentage of CashPaidOnRedemptionOfAimcoOperatingPartnership100.0

aiv:CashPaidOnRedemptionOfAimcoOperatingPartnership us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Cash
Period End2021-06-30
Value-4000.0
Percentage of CashPaidOnRedemptionOfAimcoOperatingPartnership100.0

aiv:CollateralizedByPortfolioOfAssets us-gaap:RelatedPartyTransaction

aiv:CollateralizedByPortfolioOfAssets

aiv:AIR


Collateralized
Period End2021-06-302021-03-31
Value-0.8198
Percentage of CollateralizedByPortfolioOfAssets100.0100.0

aiv:CommitmentsRelatedToConstruction

aiv:CommitmentsRelatedToConstruction


Commitments
Period End2021-01-01
Value70
Percentage of CommitmentsRelatedToConstruction100.0

aiv:CommitmentsRelatedToConstruction us-gaap:SubsequentEventType, us-gaap:UnderlyingAssetClass

us-gaap:SubsequentEvent, us-gaap:ConstructionContracts


Commitments
Period End2021-01-01
Value62
Percentage of CommitmentsRelatedToConstruction88.1

aiv:CostOfDerivativeInstrument us-gaap:CreditDerivativesByContractType

aiv:CostOfDerivativeInstrument

aiv:InterestRateOption


Cost
Period End2021-06-302021-03-312020-12-31
Value0.05.60.0
Percentage of CostOfDerivativeInstrument0.0100.00.0

aiv:DebtInstrumentBasisSpreadOnVariableRate2 us-gaap:VariableRate

aiv:DebtInstrumentBasisSpreadOnVariableRate2

us-gaap:BaseRate


Debt
Period End2020-12-16
Value1.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate2100.0

aiv:DebtInstrumentDeemedRate

aiv:DebtInstrumentDeemedRate


Debt
Period End2020-12-16
Value0.25
Percentage of DebtInstrumentDeemedRate100.0

aiv:EffectOfChangesInOwnershipForConsolidatedEntities

aiv:EffectOfChangesInOwnershipForConsolidatedEntities


Effect
Period End2020-09-302020-06-302020-03-312019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-447.6880.00.00.00.0-0.001-0.805100.0290.0233120.0192.191110.1190.267-0.775-0.0060.0250.0443.2243.3080.46995-3.766-38.466363.4
Percentage of EffectOfChangesInOwnershipForConsolidatedEntities100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:EffectOfChangesInOwnershipForConsolidatedEntities us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Effect
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302012-09-302012-06-302012-03-31
Value-0.335-3.543-0.769-1.055-2.789-3.809-2.168-0.978-0.753-0.704-6.579-0.37-1.139-0.342-3.016-6.709-1.939-0.293-1.105-0.86-0.663-0.517-4.579-3.6070.035-9.5690.1972.203
Percentage of EffectOfChangesInOwnershipForConsolidatedEntities0.10.00.00.00.00.00.00.075300.087.5-60.3-1275.9-4952.2-0.1-15873.7-56.50.00.0-413.90.00.08616.7-18316.0-8197.71.1-10.1-5.2-5.7

aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Effect
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302017-12-312017-09-302014-09-302014-06-302014-03-312013-09-302012-09-302012-06-302012-03-31
Value61-0.036-0.065-2.315-1.0420.00.00.00.00.0760.116170.869-10.152
Percentage of EffectOfChangesInOwnershipForConsolidatedEntities-13.70.00.00.00.00.00.0-0.00.0172.73.518.6-23.126.4

us-gaap:AdditionalPaidInCapital


Effect
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-508.7093.5790.7691.125.1044.8512.1680.9780.753-0.10117
Percentage of EffectOfChangesInOwnershipForConsolidatedEntities113.60.00.00.00.00.00.00.0-75300.012.5160.3

us-gaap:Parent


Effect
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-31
Value-508.7093.5790.7691.125.1044.8512.1680.9780.753-0.101170.3991.1621553.0353.357183.9390.2931.681.3722.2930.663-0.5930.5114.6043.5754.1593.1573.26786-4.832-30.517
Percentage of EffectOfChangesInOwnershipForConsolidatedEntities113.60.00.00.00.00.00.00.0-75300.012.5160.31375.95052.249.915973.7153.2156.50.00.01411.8513.90.00.076.5-8516.718416.08125.0129.095.4696.691.5128.379.3

aiv:EquityMethodInvestmentOwnershipPercentageRetained us-gaap:Ownership, us-gaap:RelatedPartyTransactionsByRelatedParty

aiv:EquityMethodInvestmentOwnershipPercentageRetained

aiv:OwnershipRetained, us-gaap:CorporateJointVenture


Equity
Period End2020-09-08
Value61.0
Percentage of EquityMethodInvestmentOwnershipPercentageRetained100.0

aiv:FinanceLeaseLeasesPayments

aiv:FinanceLeaseLeasesPayments


Finance
Period End2021-01-01
Value611
Percentage of FinanceLeaseLeasesPayments100.0

aiv:FinanceLeaseLeasesPayments us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Finance
Period End2021-01-01
Value601
Percentage of FinanceLeaseLeasesPayments98.3

aiv:FinanceLeaseLeasesPaymentsMonthly

aiv:FinanceLeaseLeasesPaymentsMonthly


Finance
Period End2021-01-01
Value2100000.0
Percentage of FinanceLeaseLeasesPaymentsMonthly100.0

aiv:FinancingLeasesIncomeStatementCarryingAmountAtLeaseInceptionExceedsFairValue

aiv:FinancingLeasesIncomeStatementCarryingAmountAtLeaseInceptionExceedsFairValue


Financing
Period End2021-01-01
Value469
Percentage of FinancingLeasesIncomeStatementCarryingAmountAtLeaseInceptionExceedsFairValue100.0

aiv:HoldersOfCommonOPUnitsEconomicInterest

aiv:HoldersOfCommonOPUnitsEconomicInterest


Holders
Period End2021-06-302021-03-312020-06-302020-03-31
Value5.15.15.05.1
Percentage of HoldersOfCommonOPUnitsEconomicInterest100.0100.0100.0100.0

aiv:ImpliedEquityValueContributedByCommunities us-gaap:RelatedPartyTransactionsByRelatedParty

aiv:ImpliedEquityValueContributedByCommunities

us-gaap:CorporateJointVenture


Implied
Period End2020-09-08
Value1180
Percentage of ImpliedEquityValueContributedByCommunities100.0

aiv:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesPerUnitOfRealEstateProperty us-gaap:RelatedPartyTransactionsByRelatedParty

aiv:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesPerUnitOfRealEstateProperty

us-gaap:CorporateJointVenture


Investments
Period End2020-09-08
Value592000.0
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesPerUnitOfRealEstateProperty100.0

aiv:LeaseConcessionForVariableLeaseIncome us-gaap:Collateral

aiv:LeaseConcessionForVariableLeaseIncome

us-gaap:CommercialRealEstate


Lease
Period End2020-09-30
Value600000.0
Percentage of LeaseConcessionForVariableLeaseIncome100.0

aiv:LeaseCostCapitalized

aiv:LeaseCostCapitalized


Lease
Period End2021-06-302021-03-31
Value5.86.9
Percentage of LeaseCostCapitalized100.0100.0

aiv:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemableAndNonredeemable

aiv:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemableAndNonredeemable


Noncontrolling
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value149000.0-154000.0-17000.018000.084000.0-58000.070000.091000.0
Percentage of NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemableAndNonredeemable100.0100.0100.0100.0100.0100.0100.0100.0

aiv:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemableAndNonredeemable dei:LegalEntity

aiv:AIMCOPropertiesLP


Noncontrolling
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value149000.0-154000.0-17000.018000.084000.0-58000.070000.091000.0
Percentage of NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemableAndNonredeemable100.0100.0100.0100.0100.0100.0100.0100.0

aiv:OperatingIncomeLossProperty

aiv:OperatingIncomeLossProperty


Operating
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
Value-95.72813313536384041-149.692464953
Percentage of OperatingIncomeLossProperty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:OperatingIncomeLossProperty us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
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
Value255-128.73-118.314-123.559-114.903-118.808-114.402-113.508287-105.491-96.441-87.092
Percentage of OperatingIncomeLossProperty-267.0-934.9-370.4-346.5-313.7-307.6-285.3-274.1-192.3-224.7-195.4-163.2

us-gaap:MaterialReconcilingItems


Operating
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
Value-3.5572.8250.5880.6370.620.5980.530.558-1.5520.5090.5240.51
Percentage of OperatingIncomeLossProperty3.720.51.81.81.71.51.31.31.01.11.11.0

aiv:OperatingIncomeLossProperty us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:AcquisitionAndOtherRealEstate


Operating
Period End2020-09-302020-06-302019-09-302019-06-30
Value1010118.666
Percentage of OperatingIncomeLossProperty74.134.230.621.6

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment


Operating
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
Value-20.8317.5796.6777.2261110121313121111
Percentage of OperatingIncomeLossProperty21.855.020.920.332.727.030.331.5-8.726.923.421.7

us-gaap:OperatingSegments, aiv:SameStore


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value121132139122130129128118125123121
Percentage of OperatingIncomeLossProperty885.2413.5390.3333.5338.7322.2310.5-79.1267.7250.3228.3

aiv:OtherItemsIncludedInContinuingOperations

aiv:OtherItemsIncludedInContinuingOperations


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1920-63.42740-8.38529-104.94537-28.065-252.862-553.3815428.01129363940394335394040414244494753405960574746-59.47667-75.556-70.428-93.231-68.342-69.501-82.573-73.015
Percentage of OtherItemsIncludedInContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:OtherItemsIncludedInContinuingOperations us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1920-63.42740-8.38529-104.94537-28.065-252.862-553.3815428.0112936394039433539404041
Percentage of OtherItemsIncludedInContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:OtherOperatingExpensesNotAllocatedToReportableSegment

aiv:OtherOperatingExpensesNotAllocatedToReportableSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2827-248.61812611211311411310810990117124
Percentage of OtherOperatingExpensesNotAllocatedToReportableSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:OtherOperatingExpensesNotAllocatedToReportableSegment us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2827-248.61812611211311411310810990117124
Percentage of OtherOperatingExpensesNotAllocatedToReportableSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:PartnersCapitalAccountAmortizationOfStockBasedCompensation dei:LegalEntity

aiv:PartnersCapitalAccountAmortizationOfStockBasedCompensation

aiv:AIMCOPropertiesLP


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1954000.02131000.02980000.01926000.01958000.01986000.03238000.02244000.02260000.02273000.02988000.0
Percentage of PartnersCapitalAccountAmortizationOfStockBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:PartnersCapitalAccountAmortizationOfStockBasedCompensation dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

aiv:AIMCOPropertiesLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value902000.01080000.01929000.01129000.01163000.01190000.02442000.01789000.01804000.01850000.02631000.0
Percentage of PartnersCapitalAccountAmortizationOfStockBasedCompensation46.250.764.758.659.459.975.479.779.881.488.1

aiv:AIMCOPropertiesLP, aiv:PartnersCapitalAttributableToPartnership


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1954000.02131000.02980000.01926000.01958000.01986000.03238000.02244000.02260000.02273000.02988000.0
Percentage of PartnersCapitalAccountAmortizationOfStockBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:AIMCOPropertiesLP, us-gaap:LimitedPartner


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1052000.01051000.01051000.0797000.0795000.0796000.0796000.0455000.0456000.0423000.0357000.0
Percentage of PartnersCapitalAccountAmortizationOfStockBasedCompensation53.849.335.341.440.640.124.620.320.218.611.9

aiv:PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated dei:LegalEntity

aiv:PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated

aiv:AIMCOPropertiesLP


Partners
Period End2020-09-302018-12-312018-09-302018-06-30
Value-447.6880.0-0.001-0.805
Percentage of PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated100.00.0100.0100.0

aiv:PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

aiv:AIMCOPropertiesLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-508.7093.5790.7691.125.1044.8512.1680.9780.753-0.101
Percentage of PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated113.60.00.00.00.00.00.00.0-75300.012.5

aiv:AIMCOPropertiesLP, aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Partners
Period End2020-09-302020-06-302019-09-302019-06-30
Value61-0.036-2.315-1.042
Percentage of PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated-13.70.00.00.0

aiv:AIMCOPropertiesLP, aiv:PartnersCapitalAttributableToPartnership


Partners
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value-509.0440.0360.0652.3151.0420.0-0.001-0.805
Percentage of PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated113.70.00.00.00.00.0100.0100.0

aiv:AIMCOPropertiesLP, us-gaap:LimitedPartner


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-0.335-3.543-0.769-1.055-2.789-3.809-2.168-0.978-0.753-0.704
Percentage of PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated0.10.00.00.00.00.00.00.075300.087.5

aiv:PartnersCapitalDistributionsPaidToNoncontrollingInterestsInConsolidatedRealEstatePartnerships dei:LegalEntity

aiv:PartnersCapitalDistributionsPaidToNoncontrollingInterestsInConsolidatedRealEstatePartnerships

aiv:AIMCOOPLP


Partners
Period End2021-06-302021-03-31
Value295000.0-287000.0
Percentage of PartnersCapitalDistributionsPaidToNoncontrollingInterestsInConsolidatedRealEstatePartnerships100.0100.0

aiv:PartnersCapitalDistributionsPaidToNoncontrollingInterestsInConsolidatedRealEstatePartnerships dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

aiv:AIMCOOPLP, aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Partners
Period End2021-06-302021-03-31
Value295000.0-287000.0
Percentage of PartnersCapitalDistributionsPaidToNoncontrollingInterestsInConsolidatedRealEstatePartnerships100.0100.0

aiv:PaymentOfDistributionsToGeneralPartnerAndSpecialLimitedPartner dei:LegalEntity

aiv:PaymentOfDistributionsToGeneralPartnerAndSpecialLimitedPartner

aiv:AIMCOPropertiesLP


Payment
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value606061575757675859595956565656
Percentage of PaymentOfDistributionsToGeneralPartnerAndSpecialLimitedPartner100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:PaymentOfDistributionsToLimitedPartners dei:LegalEntity

aiv:PaymentOfDistributionsToLimitedPartners

aiv:AIMCOPropertiesLP


Payment
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.3433.3013.4923.1883.1973.2473.7673.1773.1852.8882.7372.6412.6182.692.718
Percentage of PaymentOfDistributionsToLimitedPartners100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:PaymentsForRedemptionOfCommonAndPreferredUnits dei:LegalEntity

aiv:PaymentsForRedemptionOfCommonAndPreferredUnits

aiv:AIMCOPropertiesLP


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value170.2861.5845.6230.8271.5912.653
Percentage of PaymentsForRedemptionOfCommonAndPreferredUnits100.0100.0100.0100.0100.0100.0100.0

aiv:PaymentsOnFinancingLeases

aiv:PaymentsOnFinancingLeases


Payments
Period End2021-06-302021-03-31
Value1434000.03699000.0
Percentage of PaymentsOnFinancingLeases100.0100.0

aiv:PaymentsOnFinancingLeases dei:LegalEntity

aiv:AIMCOOPLP


Payments
Period End2021-06-302021-03-31
Value1434000.03699000.0
Percentage of PaymentsOnFinancingLeases100.0100.0

aiv:PaymentsToAcquirePurchasesOfCorporateAssetsInvestingActivities

aiv:PaymentsToAcquirePurchasesOfCorporateAssetsInvestingActivities


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.7963.6395.1042.7597.6393.8673.3192.188
Percentage of PaymentsToAcquirePurchasesOfCorporateAssetsInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0

aiv:PaymentsToAcquirePurchasesOfCorporateAssetsInvestingActivities dei:LegalEntity

aiv:AIMCOPropertiesLP


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.7963.6395.1042.7597.6393.8673.3192.188
Percentage of PaymentsToAcquirePurchasesOfCorporateAssetsInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0

aiv:PercentageOfRevenueRepresentedByTenant us-gaap:Collateral

aiv:PercentageOfRevenueRepresentedByTenant

us-gaap:CommercialRealEstate


Percentage
Period End2020-09-30
Value3.0
Percentage of PercentageOfRevenueRepresentedByTenant100.0

us-gaap:ResidentialRealEstate


Percentage
Period End2020-09-30
Value97.0
Percentage of PercentageOfRevenueRepresentedByTenant3233.3

aiv:PropertyOperatingExpenses

aiv:PropertyOperatingExpenses


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1616-163.018747475-174.549777578
Percentage of PropertyOperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:PropertyOperatingExpenses dei:LegalEntity

aiv:AIMCOOPLP


Property
Period End2021-06-302021-03-312020-06-302020-03-31
Value16161515
Percentage of PropertyOperatingExpenses100.0100.020.720.3

aiv:AIMCOPropertiesLP


Property
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-163.018747475-174.549777578
Percentage of PropertyOperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0

aiv:PropertyOperatingExpenses us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.8051.214-12.1834.0556.0757.261-22.9067.9248.95511
Percentage of PropertyOperatingExpenses4.97.27.55.48.29.613.110.211.815.0

us-gaap:MaterialReconcilingItems


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.5011.706-19.9159.7067.9318.175-17.5027.797.3787.733
Percentage of PropertyOperatingExpenses9.210.112.213.010.710.810.010.19.89.8

aiv:PropertyOperatingExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:AcquisitionAndOtherRealEstate


Property
Period End2020-09-302020-06-302019-09-302019-06-30
Value7.1036.4856.8625.431
Percentage of PropertyOperatingExpenses9.58.78.97.2

us-gaap:OperatingSegments, aiv:OperatingPortfolioSegment


Property
Period End2021-06-302021-03-312020-06-302020-03-31
Value10111010
Percentage of PropertyOperatingExpenses66.865.914.013.9

us-gaap:OperatingSegments, aiv:OtherRealEstate


Property
Period End2021-06-302021-03-312020-06-302020-03-312019-03-31
Value1.0360.9850.9556.1744.991
Percentage of PropertyOperatingExpenses6.35.81.38.26.3

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2.1021.867-13.6554.9194.9124.6874.4844.995.255
Percentage of PropertyOperatingExpenses12.811.08.46.66.66.25.86.66.7

us-gaap:OperatingSegments, aiv:SameStore


Property
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value494848504848
Percentage of PropertyOperatingExpenses65.665.764.665.164.662.0

aiv:RedemptionOfAimcoOperatingPartnershipUnitsAmount us-gaap:StatementEquityComponents

aiv:RedemptionOfAimcoOperatingPartnershipUnitsAmount

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Redemption
Period End2021-06-30
Value-913000.0
Percentage of RedemptionOfAimcoOperatingPartnershipUnitsAmount100.0

us-gaap:AdditionalPaidInCapital


Redemption
Period End2021-06-30
Value909000.0
Percentage of RedemptionOfAimcoOperatingPartnershipUnitsAmount-99.6

us-gaap:CommonStock


Redemption
Period End2021-06-30
Value4000.0
Percentage of RedemptionOfAimcoOperatingPartnershipUnitsAmount-0.4

us-gaap:Parent


Redemption
Period End2021-06-30
Value913000.0
Percentage of RedemptionOfAimcoOperatingPartnershipUnitsAmount-100.0

aiv:RedemptionOfAimcoOperatingPartnershipUnitsShares us-gaap:StatementEquityComponents

aiv:RedemptionOfAimcoOperatingPartnershipUnitsShares

us-gaap:CommonStock


Redemption
Period End2021-06-30
Value440000.0
Percentage of RedemptionOfAimcoOperatingPartnershipUnitsShares100.0

aiv:RedemptionOfOperatingPartnershipUnitsInExchangeForCash

aiv:RedemptionOfOperatingPartnershipUnitsInExchangeForCash


Redemption
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.076-0.036-0.484-0.286-0.969-1.508-0.826-1.575-2.557-1.181-0.847-0.648
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:RedemptionOfOperatingPartnershipUnitsInExchangeForCash dei:LegalEntity

aiv:AIMCOOPLP


Redemption
Period End2021-06-30
Value0.004
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash5.3

aiv:AIMCOPropertiesLP


Redemption
Period End2020-09-302020-06-302019-09-302019-06-30
Value0.4840.2860.8261.575
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash-100.0-100.0-100.0-100.0

aiv:RedemptionOfOperatingPartnershipUnitsInExchangeForCash dei:LegalEntity, us-gaap:PartnerTypeOfPartnersCapitalAccount

aiv:AIMCOOPLP, aiv:PartnersCapitalAttributableToPartnership


Redemption
Period End2021-06-30
Value0.004
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash5.3

aiv:AIMCOOPLP, us-gaap:LimitedPartner


Redemption
Period End2021-06-30
Value0.004
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash5.3

aiv:AIMCOPropertiesLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Redemption
Period End2020-09-302020-06-302019-09-302019-06-30
Value0.0-5.137-2.821-3.423
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash-0.01796.2341.5217.3

aiv:AIMCOPropertiesLP, aiv:PartnersCapitalAttributableToPartnership


Redemption
Period End2020-09-302020-06-302019-09-302019-06-30
Value0.4840.2860.8261.575
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash-100.0-100.0-100.0-100.0

aiv:AIMCOPropertiesLP, us-gaap:LimitedPartner


Redemption
Period End2020-09-302020-06-302019-09-302019-06-30
Value0.4845.4233.6474.998
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash-100.0-1896.2-441.5-317.3

aiv:RedemptionOfOperatingPartnershipUnitsInExchangeForCash us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Redemption
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.076-0.036-0.484-5.423-0.969-1.508-3.647-4.998-2.557-1.181-0.847-0.648
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash100.0100.0100.01896.2100.0100.0441.5317.3100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapital


Redemption
Period End2020-09-302020-06-302019-12-312019-09-302019-06-30
Value0.05.1350.02.823.422
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash-0.0-1795.5-0.0-341.4-217.3

us-gaap:Parent


Redemption
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-31
Value0.05.1370.02.8213.4230.0
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash-0.0-1796.2-0.0-341.5-217.3-0.0

aiv:SubleaseLeaseLiabilityIncomeDue

aiv:SubleaseLeaseLiabilityIncomeDue


Sublease
Period End2021-06-302021-03-31
Value-0.34411
Percentage of SubleaseLeaseLiabilityIncomeDue100.0100.0

aiv:SubleaseLeaseLiabilityIncomeDueAfterYearFive

aiv:SubleaseLeaseLiabilityIncomeDueAfterYearFive


Sublease
Period End2021-06-302021-03-31
Value04959000.0
Percentage of SubleaseLeaseLiabilityIncomeDueAfterYearFive0.0100.0

aiv:SubleaseLeaseLiabilityIncomeDueNextTwelveMonths

aiv:SubleaseLeaseLiabilityIncomeDueNextTwelveMonths


Sublease
Period End2021-06-302021-03-31
Value-344000.01038000.0
Percentage of SubleaseLeaseLiabilityIncomeDueNextTwelveMonths100.0100.0

aiv:SubleaseLeaseLiabilityIncomeDueYearFive

aiv:SubleaseLeaseLiabilityIncomeDueYearFive


Sublease
Period End2021-06-302021-03-31
Value01423000.0
Percentage of SubleaseLeaseLiabilityIncomeDueYearFive0.0100.0

aiv:SubleaseLeaseLiabilityIncomeDueYearFour

aiv:SubleaseLeaseLiabilityIncomeDueYearFour


Sublease
Period End2021-06-302021-03-31
Value01413000.0
Percentage of SubleaseLeaseLiabilityIncomeDueYearFour0.0100.0

aiv:SubleaseLeaseLiabilityIncomeDueYearThree

aiv:SubleaseLeaseLiabilityIncomeDueYearThree


Sublease
Period End2021-06-302021-03-31
Value01403000.0
Percentage of SubleaseLeaseLiabilityIncomeDueYearThree0.0100.0

aiv:SubleaseLeaseLiabilityIncomeDueYearTwo

aiv:SubleaseLeaseLiabilityIncomeDueYearTwo


Sublease
Period End2021-06-302021-03-31
Value01393000.0
Percentage of SubleaseLeaseLiabilityIncomeDueYearTwo0.0100.0

aiv:VariableRateNonRecourseConstructionLoan us-gaap:RelatedPartyTransaction

aiv:VariableRateNonRecourseConstructionLoan

aiv:AIR


Variable
Period End2021-06-212021-04-15
Value100150
Percentage of VariableRateNonRecourseConstructionLoan100.0100.0

aiv:WriteOffOfStraightLineRentReceivables

aiv:WriteOffOfStraightLineRentReceivables


Write
Period End2020-09-302020-06-302020-03-31
Value019000.02900000.0
Percentage of WriteOffOfStraightLineRentReceivables0.0100.0100.0

us-gaap:AcquisitionCosts

us-gaap:AcquisitionCosts


Acquisition
Period End2021-02-28
Value6200000.0
Percentage of AcquisitionCosts100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-31
Value15
Percentage of AssetImpairmentCharges100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value59-63.43197-174.017671978427-132.482125-31.704-34.641-0.091-3.518.945
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect dei:LegalEntity

aiv:AIMCOOPLP


Cash
Period End2021-06-302021-03-312020-06-302020-03-31
Value59-63.43-0.1810.032
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0-0.30.0

aiv:AIMCOPropertiesLP


Cash
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
Value197-174.017671978427-132.482125-31.704-34.641-0.091-3.518.945
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:RevolvingCreditFacility, aiv:SwinglineLoanSubFacility, aiv:PNCBank, us-gaap:LoansPayable, us-gaap:BaseRate


Debt
Period End2020-12-16
Value1.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:CreditFacility, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType, us-gaap:VariableRate

us-gaap:RevolvingCreditFacility, aiv:PNCBank, us-gaap:SecuredDebt, us-gaap:BaseRate


Debt
Period End2020-12-16
Value1.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:RevolvingCreditFacility, aiv:PNCBank, us-gaap:SecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-12-16
Value2.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate1200.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:Ownership, us-gaap:VariableRate

aiv:UptonPlaceJV, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-12-23
Value450.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:Range, us-gaap:VariableRate

srt:Minimum, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-12-16
Value0.25
Percentage of DebtInstrumentBasisSpreadOnVariableRate125.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:RelatedPartyTransaction

aiv:AIR


Debt
Period End2021-04-15
Value3.85
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:VariableRate

us-gaap:BaseRate


Debt
Period End2020-12-16
Value0.5
Percentage of DebtInstrumentBasisSpreadOnVariableRate150.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-03-312010-03-31
Value2020-218.4499897100979791939196979297928987878480797977757471697170100105
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization dei:LegalEntity

aiv:AIMCOOPLP


Depreciation
Period End2021-06-302021-03-312020-06-302020-03-31
Value20201919
Percentage of DepreciationAndAmortization100.0100.019.519.3

aiv:AIMCOPropertiesLP


Depreciation
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
Value-218.4499897100979791939196979297928987
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DistributionMadeToLimitedPartnerDistributionsPaidPerUnit us-gaap:ConsolidatedEntities, us-gaap:Range

us-gaap:DistributionMadeToLimitedPartnerDistributionsPaidPerUnit

srt:Subsidiaries, srt:Maximum


Distribution
Period End2020-09-302020-06-302020-03-31
Value008.0
Percentage of DistributionMadeToLimitedPartnerDistributionsPaidPerUnit0.00.0100.0

srt:Subsidiaries, srt:Minimum


Distribution
Period End2020-09-302020-06-302020-03-31
Value000.48
Percentage of DistributionMadeToLimitedPartnerDistributionsPaidPerUnit0.00.06.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value61616058586758595962
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Dividends
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value61616058586758595959
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.095.5

us-gaap:Parent


Dividends
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value61616058586758595959
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.095.5

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-302021-03-31
Value2100000.01300000.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0

us-gaap:GainLossOnDispositionOfRealEstateDiscontinuedOperations

us-gaap:GainLossOnDispositionOfRealEstateDiscontinuedOperations


Gain
Period End2020-09-302020-06-302019-09-302019-06-30
Value0.0471.14664
Percentage of GainLossOnDispositionOfRealEstateDiscontinuedOperations0.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfRealEstateDiscontinuedOperations dei:LegalEntity

aiv:AIMCOPropertiesLP


Gain
Period End2020-09-302020-06-302019-09-302019-06-30
Value0.0471.14664
Percentage of GainLossOnDispositionOfRealEstateDiscontinuedOperations0.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfRealEstateDiscontinuedOperations us-gaap:DisposalGroupClassification, us-gaap:RealEstateProperties

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, aiv:WhollyAndPartiallyOwnedConsolidatedProperties


Gain
Period End2020-09-302020-06-302019-09-302019-06-30
Value0.0471.164
Percentage of GainLossOnDispositionOfRealEstateDiscontinuedOperations0.099.996.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.5517.4677.0236.876.9366.7470.00.00.0210.2770.1040.524-1.6080.206-2.242-0.763-9.289-4.987-1.798-1.648-11.313-15.653-5.2959.149
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments dei:LegalEntity

aiv:AIMCOOPLP


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value7.5517.4676.9366.747
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0

aiv:AIMCOPropertiesLP


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value7.0236.876.9366.7470.00.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.00.00.0

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

aiv:AIMCOOPLP, aiv:UnconsolidatedRealEstatePartnership


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.2530.2550.170.182
Percentage of IncomeLossFromEquityMethodInvestments3.43.42.52.7

aiv:AIMCOPropertiesLP, aiv:UnconsolidatedRealEstatePartnerships


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.1790.2770.170.1820.2120.2880.2310.072
Percentage of IncomeLossFromEquityMethodInvestments2.54.02.52.70.00.00.00.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType

aiv:UnconsolidatedRealEstatePartnership


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2530.2550.1790.2770.170.1820.3440.2880.2310.072
Percentage of IncomeLossFromEquityMethodInvestments3.43.42.54.02.52.70.00.00.00.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value-2.069160.2151.755
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities dei:LegalEntity

aiv:AIMCOOPLP


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value-2.069160.2151.755
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOperatingCapital

us-gaap:IncreaseDecreaseInOperatingCapital


Increase
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-5.626-11.91131-7.4571017-7.548-2.25619-3.3020.18320.5455.64920-6.0193.64719-2.832-2.0123019-39.78631-11.447-20.71129-20.698-10.5348-8.121-8.01936
Percentage of IncreaseDecreaseInOperatingCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOperatingCapital dei:LegalEntity

aiv:AIMCOPropertiesLP


Increase
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-5.626-11.91131-7.4571017-7.548-2.25619-11.9313.82327
Percentage of IncreaseDecreaseInOperatingCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0361.32123.984.2

us-gaap:IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet

us-gaap:IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value-8.071191.2161.842
Percentage of IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet

aiv:AIMCOOPLP


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value-8.071191.2161.842
Percentage of IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-10.2973.0412.8434.5232.8092.8243.0652.7263.1462.7122.8842.1722.0812.0472.0122.1921.9562.1631.8431.8351.7821.7371.7051.7251.6911.7871.6711.7295.2913.5872.6516.414
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest dei:LegalEntity

aiv:AIMCOPropertiesLP


Investment
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
Value-10.2973.0412.8434.5232.8092.8243.0652.7263.1462.7122.8842.1722.0812.0472.0122.192
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInvestmentExpense

us-gaap:InvestmentIncomeInvestmentExpense


Investment
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2819000.01121000.01184000.01581000.01406000.01332000.0
Percentage of InvestmentIncomeInvestmentExpense100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInvestmentExpense dei:LegalEntity

aiv:AIMCOPropertiesLP


Investment
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2819000.01121000.01184000.01581000.01406000.01332000.0
Percentage of InvestmentIncomeInvestmentExpense100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNet

us-gaap:InvestmentIncomeNet


Investment
Period End2021-06-302021-03-312020-06-302020-03-31
Value7.5517.4677.4696.214
Percentage of InvestmentIncomeNet100.0100.0100.0100.0

us-gaap:InvestmentIncomeNet dei:LegalEntity

aiv:AIMCOOPLP


Investment
Period End2021-06-302021-03-312020-06-302020-03-31
Value7.5517.4677.4696.214
Percentage of InvestmentIncomeNet100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueAdjustment

us-gaap:LiabilitiesFairValueAdjustment


Liabilities
Period End2021-06-302021-03-31
Value1200000.01300000.0
Percentage of LiabilitiesFairValueAdjustment100.0100.0

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest us-gaap:Ownership

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest

aiv:AIMCOOperatingPartnership


Limited
Period End2021-06-302021-03-312020-12-31
Value0.393.3-0.3
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest100.0100.0100.0

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest us-gaap:Ownership

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest

aiv:AIMCOOperatingPartnership


Limited
Period End2021-06-302021-03-31
Value-0.36.7
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest100.0100.0

us-gaap:LongTermPurchaseCommitmentAmount us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

us-gaap:LongTermPurchaseCommitmentAmount

aiv:IQHQ


Long
Period End2020-09-30
Value50
Percentage of LongTermPurchaseCommitmentAmount100.0

us-gaap:LongTermPurchaseCommitmentAmount us-gaap:OtherCommitments

aiv:Commitmentsrelatedtodevelopmentredevelopmentandcapitalimprovementactivities


Long
Period End2021-06-302021-03-312020-12-31
Value68266-180.8
Percentage of LongTermPurchaseCommitmentAmount0.00.00.0

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value275000.0291000.010000.0-5000.0
Percentage of NetIncomeLossAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest dei:LegalEntity

aiv:AIMCOOPLP


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value275000.0291000.010000.0-5000.0
Percentage of NetIncomeLossAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value275000.0291000.010000.0-5000.0
Percentage of NetIncomeLossAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToParentDiluted

us-gaap:NetIncomeLossAttributableToParentDiluted


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-25.046396.6792.00359271
Percentage of NetIncomeLossAttributableToParentDiluted100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToParentDiluted dei:LegalEntity

aiv:AIMCOPropertiesLP


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-26.387417.0472.13862286
Percentage of NetIncomeLossAttributableToParentDiluted105.4105.4105.5106.7106.0105.5

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

aiv:RealEstatePartnership


Net
Period End2021-03-31
Value-152000.0
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-26.379417.2082.03768289
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest dei:LegalEntity

aiv:AIMCOOPLP


Net
Period End2021-06-302021-03-31
Value-20.72721
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.00.0

aiv:AIMCOPropertiesLP


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-40.068-26.379417.2082.03768289
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0

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

aiv:AIMCOOPLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Net
Period End2021-06-302021-03-31
Value-19.6920
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.00.0

aiv:AIMCOOPLP, aiv:PartnersCapitalAttributableToPartnership


Net
Period End2021-06-302021-03-31
Value-20.72721
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.00.0

aiv:AIMCOOPLP, us-gaap:LimitedPartner


Net
Period End2021-06-302021-03-31
Value-1.0371.081
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.00.0

aiv:AIMCOPropertiesLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-37.809-25.007396.7221.97964274
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.094.894.793.397.294.794.7

aiv:AIMCOPropertiesLP, aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-0.0310.1070.118-0.0580.070.091
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.10.31.6-2.80.10.0

aiv:AIMCOPropertiesLP, aiv:PartnersCapitalAttributableToPartnership


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-39.874-26.348417.092.09567289
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.099.999.798.4102.899.9100.0

aiv:AIMCOPropertiesLP, us-gaap:LimitedPartner


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-2.065-1.3412.1070.3680.1163.53415
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.05.15.15.15.75.25.2

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-1.3412.1070.3680.1163.53415
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest5.15.15.15.75.25.2

aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-0.0310.1070.118-0.0580.070.091
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.10.31.6-2.80.10.0

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-25.007396.7221.97964274
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest94.894.793.397.294.794.7

us-gaap:Parent


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-25.007396.7221.97964274
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest94.894.793.397.294.794.7

us-gaap:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemable

us-gaap:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemable


Noncontrolling
Period End2021-06-302021-03-312020-06-302020-03-31
Value66000.0-152000.0-125000.0-103000.0
Percentage of NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemable100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemable dei:LegalEntity

aiv:AIMCOOPLP


Noncontrolling
Period End2021-06-302021-03-312020-06-302020-03-31
Value66000.0-152000.0-125000.0-103000.0
Percentage of NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemable100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable


Noncontrolling
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-1.0371.0810.1650.236-18.7720.1163.534150.324300.143.755120.820.7870.5577.8690.192111.1723.2910.8932.9724.3981.8756.5493.7353.6116.9713.7960.5750.2974.2621.611
Percentage of NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Noncontrolling
Period End2021-06-302021-03-312020-06-302020-03-31
Value-1.0371.0810.1650.236
Percentage of NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.0371.081-1.403-1.3412.1070.3687.2620.1163.53415
Percentage of NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsNonredeemable dei:LegalEntity

us-gaap:NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsNonredeemable

aiv:AIMCOOPLP


Noncontrolling
Period End2021-06-302021-03-312020-06-302020-03-31
Value-275000.0291000.0-10000.0-5000.0
Percentage of NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsNonredeemable100.0100.0100.0100.0

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

aiv:AIMCOOPLP, aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Noncontrolling
Period End2021-06-302021-03-312020-06-302020-03-31
Value-275000.0291000.0-10000.0-5000.0
Percentage of NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsNonredeemable100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable


Noncontrolling
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-5.8721.6871.8591.8691.9081.9331.9331.9341.9341.934
Percentage of NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable dei:LegalEntity

aiv:AIMCOPropertiesLP


Noncontrolling
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1.6871.8591.8691.9337.124.082
Percentage of NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable100.0100.0100.0100.0368.3211.1

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance


Noncontrolling
Period End2020-12-312020-09-302019-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value274.7014.9110.0-0.020.060.01.1062.2350.6440.7149.7430.4580.281
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance dei:LegalEntity

aiv:AIMCOPropertiesLP


Noncontrolling
Period End2020-12-312020-09-302019-09-30
Value274.7014.911
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0

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

aiv:AIMCOPropertiesLP, aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Noncontrolling
Period End2020-12-312020-09-302019-09-30
Value274.7014.911
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance us-gaap:StatementEquityComponents

aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Noncontrolling
Period End2020-12-312020-09-302019-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-09-302014-06-302014-03-31
Value274.7014.9110.0-0.020.060.01.1062.2350.7149.7430.458
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4039-506.03214218227-539.064228223229
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeaseLeaseIncomeLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3736-479.307200205213-506.179213209215
Percentage of OperatingLeaseLeaseIncomeLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncomeLeasePayments us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Operating
Period End2021-01-01
Value2.1
Percentage of OperatingLeaseLeaseIncomeLeasePayments0.0

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OperatingLeaseVariableLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.762.954-29.65141213-32.885151314
Percentage of OperatingLeaseVariableLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-243000.0-355000.0-60000.0-312000.0-402000.016000.061000.0-59000.0979000.0-451000.0-600000.01547000.0381000.01080000.0-1501000.0240000.0-336000.0-232000.06183000.0265000.01111000.0-945000.0-217000.0-574000.0-566000.0-518000.0467000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax dei:LegalEntity

aiv:AIMCOPropertiesLP


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-243000.0-355000.0-60000.0-312000.0-402000.016000.061000.0-59000.0979000.0-451000.0-600000.01547000.0381000.01080000.0-1501000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value174.2391.6424.7694.4114.2095.703-9.8465.784.3662.9584.5442.3442.7271.7385.6561.5435.5261.572.8473.592.9121.0195.3671.4083.6382.390.9582.2152.2262.2244.2625.230.4276.2695.6244.875.2223.9287.8094.416-4.4852.273
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating dei:LegalEntity

aiv:AIMCOPropertiesLP


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value174.2391.6424.7694.4114.2095.703-9.8465.784.3662.9584.6922.2722.651.738
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0103.396.997.2100.0

us-gaap:OtherCostAndExpenseOperating us-gaap:RestructuringCostAndReserve

aiv:SeparationCosts


Other
Period End2020-09-30
Value11
Percentage of OtherCostAndExpenseOperating67.7

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value-4.206-4.254-3.15710-3.986-3.242-3.20110-9.455-2.023-0.284-6.7889.181.5613.741-4.4590.151.6318.7495.8852.7578.4952.7581.876-3.425-5.458-1.8550.415-0.11910-2.65112-5.142-4.666
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense dei:LegalEntity

aiv:AIMCOPropertiesLP


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4.206-4.254-3.15710-3.986-3.242-3.20110-9.455-2.023-0.2848.0924.308-3.51-1.196
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-119.246.9-224.9-32.0

us-gaap:OtherPaymentsToAcquireBusinesses

us-gaap:OtherPaymentsToAcquireBusinesses


Other
Period End2021-06-30
Value7000000.0
Percentage of OtherPaymentsToAcquireBusinesses100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic


Participating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value39000.043000.043000.0173000.0-24000.038000.0417000.033000.0814000.071000.0119000.0143000.057000.060000.059000.0251000.014000.0293000.077000.0260000.0-11000.0307000.0394000.0120000.0447000.0274000.0239000.0
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic dei:LegalEntity

aiv:AIMCOPropertiesLP


Participating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value39000.043000.043000.0191000.0-43000.0-11000.0483000.032000.0941000.079000.0125000.0153000.061000.063000.060000.0
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic100.0100.0100.0110.4179.2-28.9115.897.0115.6111.3105.0107.0107.0105.0101.7

us-gaap:PartnersCapitalAccountDistributions dei:LegalEntity

us-gaap:PartnersCapitalAccountDistributions

aiv:AIMCOPropertiesLP


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value6464634861617062
Percentage of PartnersCapitalAccountDistributions100.0100.0100.0100.0100.0100.0100.0100.0

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

aiv:AIMCOPropertiesLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value6161605858586759
Percentage of PartnersCapitalAccountDistributions94.894.895.1120.494.794.695.495.5

aiv:AIMCOPropertiesLP, aiv:PartnersCapitalAttributableToPartnership


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value6464634861617062
Percentage of PartnersCapitalAccountDistributions100.0100.0100.0100.0100.0100.0100.0100.0

aiv:AIMCOPropertiesLP, us-gaap:LimitedPartner


Partners
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-03-31
Value3.3433.3433.1553.283.3033.2442.838
Percentage of PartnersCapitalAccountDistributions5.25.24.95.35.44.64.5

us-gaap:PartnersCapitalAccountRedemptions dei:LegalEntity

us-gaap:PartnersCapitalAccountRedemptions

aiv:AIMCOOPLP


Partners
Period End2021-03-31
Value0.036
Percentage of PartnersCapitalAccountRedemptions100.0

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

aiv:AIMCOOPLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Partners
Period End2021-06-30
Value-0.913
Percentage of PartnersCapitalAccountRedemptions0.0

aiv:AIMCOOPLP, aiv:PartnersCapitalAttributableToPartnership


Partners
Period End2021-03-31
Value0.036
Percentage of PartnersCapitalAccountRedemptions100.0

aiv:AIMCOOPLP, us-gaap:LimitedPartner


Partners
Period End2021-06-302021-03-31
Value0.9130.036
Percentage of PartnersCapitalAccountRedemptions0.0100.0

us-gaap:PartnersCapitalAccountTreasuryUnitsPurchases dei:LegalEntity

us-gaap:PartnersCapitalAccountTreasuryUnitsPurchases

aiv:AIMCOPropertiesLP


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0100.00.00.020
Percentage of PartnersCapitalAccountTreasuryUnitsPurchases0.00.0100.00.00.00.0100.0

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

aiv:AIMCOPropertiesLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0100.00.00.020
Percentage of PartnersCapitalAccountTreasuryUnitsPurchases0.00.0100.00.00.00.0100.0

aiv:AIMCOPropertiesLP, aiv:PartnersCapitalAttributableToPartnership


Partners
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0100.00.00.020
Percentage of PartnersCapitalAccountTreasuryUnitsPurchases0.00.0100.00.00.00.0100.0

us-gaap:PartnersCapitalOther dei:LegalEntity

us-gaap:PartnersCapitalOther

aiv:AIMCOOPLP


Partners
Period End2021-06-302021-03-31
Value-17000.0-303000.0
Percentage of PartnersCapitalOther100.0100.0

aiv:AIMCOPropertiesLP


Partners
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
Value983000.0-229000.0141000.0-72000.0250000.0-175000.0-1000.078000.033000.0-2000.029000.093000.0
Percentage of PartnersCapitalOther0.00.00.00.00.00.00.00.00.00.00.00.0

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

aiv:AIMCOOPLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Partners
Period End2021-06-302021-03-31
Value1000.0-318000.0
Percentage of PartnersCapitalOther-5.9105.0

aiv:AIMCOOPLP, aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Partners
Period End2021-06-302021-03-31
Value-17000.03000.0
Percentage of PartnersCapitalOther100.0-1.0

aiv:AIMCOOPLP, aiv:PartnersCapitalAttributableToPartnership


Partners
Period End2021-06-302021-03-31
Value1000.0-306000.0
Percentage of PartnersCapitalOther-5.9101.0

aiv:AIMCOOPLP, us-gaap:LimitedPartner


Partners
Period End2021-06-302021-03-31
Value-1000.012000.0
Percentage of PartnersCapitalOther5.9-4.0

aiv:AIMCOPropertiesLP, aiv:GeneralPartnerAndSpecialLimitedPartner


Partners
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
Value670000.037000.030000.086000.0250000.0-175000.0-1000.059000.033000.0-2000.029000.093000.0
Percentage of PartnersCapitalOther0.00.00.00.00.00.00.00.00.00.00.00.0

aiv:AIMCOPropertiesLP, aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Partners
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-266000.0111000.0-158000.00019000.0
Percentage of PartnersCapitalOther0.00.00.00.00.00.0

aiv:AIMCOPropertiesLP, aiv:PartnersCapitalAttributableToPartnership


Partners
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
Value670000.037000.030000.086000.0250000.0-175000.0-1000.059000.033000.0-2000.029000.093000.0
Percentage of PartnersCapitalOther0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PaymentsForCapitalImprovements

us-gaap:PaymentsForCapitalImprovements


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value5031-248.38898794100116908587898875919094828793867989104101719094889475111976681706156
Percentage of PaymentsForCapitalImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForCapitalImprovements dei:LegalEntity

aiv:AIMCOOPLP


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value50314.0686.653
Percentage of PaymentsForCapitalImprovements100.0100.04.67.0

aiv:AIMCOPropertiesLP


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
Value-248.3889879410011690858789887591909482
Percentage of PaymentsForCapitalImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForDerivativeInstrumentFinancingActivities

us-gaap:PaymentsForDerivativeInstrumentFinancingActivities


Payments
Period End2021-06-302021-03-31
Value0.1825.59
Percentage of PaymentsForDerivativeInstrumentFinancingActivities100.0100.0

us-gaap:PaymentsForDerivativeInstrumentFinancingActivities dei:LegalEntity

aiv:AIMCOOPLP


Payments
Period End2021-06-302021-03-31
Value0.1825.59
Percentage of PaymentsForDerivativeInstrumentFinancingActivities100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.4350.049102.719-4.6657.9561.878-1.064-1.4223.2030.384-2.2970.2180.5031.819-0.639-0.094-0.12-0.121-4.804-5.209-27.37625-3.9390.699-6.309-4.301-5.3028.749-6.785-3.492-18.1527.47843-3.1570.665-4.7852.746-6.941-2.656-9.434-9.043-1.404-2.072-6.269
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities dei:LegalEntity

aiv:AIMCOOPLP


Payments
Period End2021-06-302021-03-31
Value1.4350.049
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0

aiv:AIMCOPropertiesLP


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value102.719-4.6657.9561.878-1.064-1.4223.2030.384-2.2970.2180.5031.819-0.639-0.094
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value170.2861.5845.6230.8271.5912.6531.210.8590.6947.122
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value5.2245.1975.4425.35.3835.2365.7016.6475.5515.09611104.6535.3865.796.68175.4756.423116.74336.2037.003107.47124
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest dei:LegalEntity

aiv:AIMCOPropertiesLP


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.1940.0370.0810.2040.2530.0560.01.5350.4320.2747.2286.390.0970.7571.123
Percentage of PaymentsOfDividendsMinorityInterest3.70.71.53.84.71.10.023.17.85.460.758.22.114.119.4

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock dei:LegalEntity

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

aiv:AIMCOPropertiesLP


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.6871.8591.8691.9071.9333.0324.0824.0844.0824.0834.0854.0874.0864.0884.097
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireInterestInJointVenture us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireInterestInJointVenture

aiv:FortLauderdaleFloridaJointVenture, us-gaap:SubsequentEvent


Payments
Period End2021-07-31
Value2.4
Percentage of PaymentsToAcquireInterestInJointVenture100.0

us-gaap:PaymentsToAcquireLand

us-gaap:PaymentsToAcquireLand


Payments
Period End2021-06-30
Value12
Percentage of PaymentsToAcquireLand100.0

us-gaap:PaymentsToAcquireResidentialRealEstate

us-gaap:PaymentsToAcquireResidentialRealEstate


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value116.239.335905.0612.733-35.71887412.236297.04401648.6663.5173.1944.9952.7772813.8442.275270.943100401511181.111120.56431180.896-0.0119.98439401.12363
Percentage of PaymentsToAcquireResidentialRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireResidentialRealEstate dei:LegalEntity

aiv:AIMCOOPLP


Payments
Period End2021-06-302021-03-31
Value116.23
Percentage of PaymentsToAcquireResidentialRealEstate100.0100.0

aiv:AIMCOPropertiesLP


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
Value9.335905.0612.733-35.71887412.236297.04401648.6663.5173.1944.995
Percentage of PaymentsToAcquireResidentialRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSecuredDebt

us-gaap:ProceedsFromIssuanceOfSecuredDebt


Proceeds
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-568.7560.01066670.00.08670.00.0360146970.068227152307.7661193517918105202339457629811081810015159104341321282417549
Percentage of ProceedsFromIssuanceOfSecuredDebt100.00.0100.0100.00.00.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSecuredDebt dei:LegalEntity

aiv:AIMCOPropertiesLP


Proceeds
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-568.7560.01066670.00.08670.00.0360146970.068
Percentage of ProceedsFromIssuanceOfSecuredDebt100.00.0100.0100.00.00.0100.00.00.0100.0100.0100.00.0100.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt


Proceeds
Period End2020-09-30
Value0.0
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt dei:LegalEntity

aiv:AIMCOPropertiesLP


Proceeds
Period End2020-09-30
Value0.0
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.0

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromMinorityShareholders


Proceeds
Period End2020-12-312019-12-312018-12-31
Value-443.4170.00.0
Percentage of ProceedsFromMinorityShareholders100.00.00.0

us-gaap:ProceedsFromMinorityShareholders dei:LegalEntity

aiv:AIMCOPropertiesLP


Proceeds
Period End2020-12-312019-12-312018-12-31
Value-443.4170.00.0
Percentage of ProceedsFromMinorityShareholders100.00.00.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.272-0.3540.4779.339-23.954-0.3654.4273.821-10.9870.3025.648-0.374-3.0533.012-2.889-4.377-2.1142.1677.9378.842-8.008-1.681-2.633-2.089-0.773-1.657-4.123-3.403-6.8579.911-2.641-12.696-6.95114-2.873-1.003-18.6229.743-9.322-18.41-6.3670.409-12.25-11.974-6.13914
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities dei:LegalEntity

aiv:AIMCOOPLP


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.272-0.354-0.06-0.014
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.00.33.8

aiv:AIMCOPropertiesLP


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.4779.339-23.954-0.3654.4273.821-10.9870.3025.6487.44-3.747-4.108-16.0687.365-9.596-2.461
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0-1989.3122.7-136.4556.2-168.3453.9-113.6

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.0-593.845318275-294.96224-90.36160-220.1714111-289.0611017651-276.851345479-101.28047-112.3397-38.95-56.6659-248.1511113749-66.266-67.467-26.24.7
Percentage of ProceedsFromRepaymentsOfLinesOfCredit0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit dei:LegalEntity

aiv:AIMCOPropertiesLP


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0-593.845318275-294.96224-90.36160-220.1714111-289.0611017651
Percentage of ProceedsFromRepaymentsOfLinesOfCredit0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfRealEstate us-gaap:StatementScenario, us-gaap:DisposalGroupClassification

us-gaap:ProceedsFromSaleOfRealEstate

srt:ScenarioForecast, us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations


Proceeds
Period End2020-12-31
Value126
Percentage of ProceedsFromSaleOfRealEstate100.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.0360.02060.007803420.3846326.529693910.1128.7362.179210262899.6011390.094133753251381002361125.0622.8981991317578139100652274367927
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment0.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment dei:LegalEntity

aiv:AIMCOPropertiesLP


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0360.02060.007803420.3846326.52969391-0.0278.7362.179
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment0.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-24.1100.0100.0

us-gaap:PropertyManagementFeePercentFee us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:PropertyManagementFeePercentFee

aiv:AIR, aiv:RelatedPartyPropertyManagementAgreement


Property
Period End2021-06-302021-03-31
Value03.0
Percentage of PropertyManagementFeePercentFee0.0100.0

us-gaap:PropertyManagementFeeRevenue us-gaap:RelatedPartyTransaction, us-gaap:SubsequentEventType

us-gaap:PropertyManagementFeeRevenue

aiv:AIR, us-gaap:SubsequentEvent


Property
Period End2021-01-01
Value200000.0
Percentage of PropertyManagementFeeRevenue100.0

us-gaap:PropertyPlantAndEquipmentAdditions

us-gaap:PropertyPlantAndEquipmentAdditions


Property
Period End2021-02-282020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.281859397124-75718.857758989282-73470.94773627
Percentage of PropertyPlantAndEquipmentAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAdditions us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:AcquisitionAndOtherRealEstate


Property
Period End2020-09-302019-09-30
Value6.4210
Percentage of PropertyPlantAndEquipmentAdditions7.98.6

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5370444662-38963.218390483911-43394.79843481
Percentage of PropertyPlantAndEquipmentAdditions65.182.847.548.050.451.551.443.314.659.159.1

us-gaap:OperatingSegments, aiv:SameStore


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2224273247-30137.758302114564-27460.41927522
Percentage of PropertyPlantAndEquipmentAdditions27.128.329.333.638.439.839.849.678.537.437.4

us-gaap:RepaymentsOfSecuredDebt

us-gaap:RepaymentsOfSecuredDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.15718-618.16142825122129182188195721455020615815959321181944019952824914013619711662176142491041541189776177258376271213888935
Percentage of RepaymentsOfSecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfSecuredDebt dei:LegalEntity

aiv:AIMCOOPLP


Repayments
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.157182.4642.449
Percentage of RepaymentsOfSecuredDebt100.0100.01.010.8

aiv:AIMCOPropertiesLP


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-618.1614282512212918218819572145502061581595932
Percentage of RepaymentsOfSecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302019-09-302019-06-30
Value0159000.057000.070000.0
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits0.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock


Stock
Period End2021-03-31
Value0.232
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302019-09-30
Value05000.00
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation0.0100.00.0

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302019-09-302019-06-30
Value02000.01000.01000.0
Percentage of StockIssuedDuringPeriodValueConversionOfUnits0.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.2340.00.00.00.461
Percentage of StockRepurchasedDuringPeriodShares0.00.0100.00.00.00.0100.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0100.00.00.020
Percentage of StockRepurchasedDuringPeriodValue0.00.0100.00.00.00.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0100.00.00.020
Percentage of StockRepurchasedDuringPeriodValue0.00.0100.00.00.00.0100.0

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.0020.00.00.00.005
Percentage of StockRepurchasedDuringPeriodValue0.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0100.00.00.020
Percentage of StockRepurchasedDuringPeriodValue0.00.0100.00.00.00.0100.0

us-gaap:StockholdersEquityOther

us-gaap:StockholdersEquityOther


Stockholders
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value17000.0302000.0229000.0141000.072000.0-250000.0175000.01000.0-78000.0-33000.02000.0-29000.0-93000.0-144000.0-25000.0-24000.0-78000.0-1442000.0-1190000.089000.0-780000.052000.0-46000.0-52000.0-39000.0-16000.0122000.0291000.0-578000.0185000.0-2750000.01425000.0-1108000.0-2164000.0-4382000.01824000.0175000.0-235000.033000.0
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership


Stockholders
Period End2021-06-302021-03-312016-09-302013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value1000.0-12000.00-538000.0152000.0-365000.0-4381000.02248000.0-57000.0
Percentage of StockholdersEquityOther5.9-4.0-0.019.610.732.9100.0123.2-32.6

aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships


Stockholders
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312015-09-302013-09-30
Value17000.0-3000.0266000.0-111000.0158000.0000-19000.084000.00
Percentage of StockholdersEquityOther100.0-1.0116.2-78.7219.4-0.00.00.024.4-182.6-0.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-11000.0316000.0-37000.0-30000.0-86000.0-250000.0175000.00-57000.0-29000.0-1000.0-30000.0-92000.0
Percentage of StockholdersEquityOther-64.7104.6-16.2-21.3-119.4100.0100.00.073.187.9-50.0103.498.9

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1000.0-1000.0001000.0-2000.01000.00-1000.0-1000.0
Percentage of StockholdersEquityOther-5.9-0.3-0.00.0100.02.6-3.00.03.41.1

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-1000.0317000.0-37000.0-30000.0-86000.0-250000.0175000.01000.0-59000.0-33000.02000.0-29000.0-93000.0-144000.0-25000.0-24000.0-78000.0-1336000.0-1190000.0-17000.0-780000.0179000.0-130000.0-95000.0-39000.0-14000.099000.0291000.0-578000.049000.0-2212000.01351000.0-743000.0201000.0-11000.0-424000.0232000.0
Percentage of StockholdersEquityOther-5.9105.0-16.2-21.3-119.4100.0100.0100.075.6100.0100.0100.0100.0100.0100.0100.0100.092.6100.0-19.1100.0344.2282.6182.7100.087.581.1100.0100.026.580.494.867.1-9.30.3-23.2132.6

us-gaap:StockholdersEquityOtherShares us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOtherShares

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-15000.0-60000.01000.01000.029000.001000.0-1000.082000.06000.0022000.0114000.0
Percentage of StockholdersEquityOtherShares100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnrealizedGainLossOnDerivatives


Unrealized
Period End2021-06-302021-03-312020-06-30
Value-16.9725-1.08
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives dei:LegalEntity

aiv:AIMCOOPLP


Unrealized
Period End2021-06-302021-03-312020-06-30
Value-16.9725-1.08
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302010-09-302010-06-30
Value132000.018000.0268000.0202000.0232000.0200000.0200000.0100000.0100000.0500000.0400000.0500000.0369000.0430000.0456000.0432000.0328000.0208000.0229000.0353000.000000000
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment dei:LegalEntity

aiv:AIMCOOPLP


Weighted
Period End2021-03-312020-06-302020-03-31
Value132000.020000.020000.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0111.17.5

aiv:AssetAcquisitionAcquisitionCostsCapitalized us-gaap:BusinessAcquisition

aiv:AssetAcquisitionAcquisitionCostsCapitalized

aiv:AssetAcquisitions


Asset
Period End2020-08-25
Value2506000.0
Percentage of AssetAcquisitionAcquisitionCostsCapitalized100.0

aiv:HamiltonOnTheBay


Asset
Period End2020-08-25
Value5136000.0
Percentage of AssetAcquisitionAcquisitionCostsCapitalized204.9

aiv:AssetAcquisitionIntangibleAssetsAcquired us-gaap:BusinessAcquisition

aiv:AssetAcquisitionIntangibleAssetsAcquired

aiv:AssetAcquisitions


Asset
Period End2020-08-25
Value1506000.0
Percentage of AssetAcquisitionIntangibleAssetsAcquired100.0

aiv:HamiltonOnTheBay


Asset
Period End2020-08-25
Value1517000.0
Percentage of AssetAcquisitionIntangibleAssetsAcquired100.7

aiv:AssumedDebtFairValueAdjustment

aiv:AssumedDebtFairValueAdjustment


Assumed
Period End2020-12-312019-12-31
Value1850000.02153000.0
Percentage of AssumedDebtFairValueAdjustment100.0100.0

aiv:AvailableForSaleDebtSecuritiesFaceValue us-gaap:InvestmentType

aiv:AvailableForSaleDebtSecuritiesFaceValue

us-gaap:AvailableforsaleSecurities


Available
Period End2020-09-30
Value100
Percentage of AvailableForSaleDebtSecuritiesFaceValue100.0

aiv:CommitmentForAdditionalFunding us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:OtherCommitments

aiv:CommitmentForAdditionalFunding

aiv:IQHQ, aiv:Commitmentsrelatedtooperations


Commitment
Period End2020-12-31
Value37
Percentage of CommitmentForAdditionalFunding100.0

aiv:RETVentures, aiv:Commitmentsrelatedtooperations


Commitment
Period End2020-12-31
Value1.1
Percentage of CommitmentForAdditionalFunding2.9

aiv:ConstructionLoanOutstandingAmount us-gaap:RelatedPartyTransaction

aiv:ConstructionLoanOutstandingAmount

aiv:AIR


Construction
Period End2021-06-302021-06-21
Value10712
Percentage of ConstructionLoanOutstandingAmount100.0100.0

aiv:CorporateFixedAssets

aiv:CorporateFixedAssets


Corporate
Period End2021-06-302021-03-312020-12-31
Value111112
Percentage of CorporateFixedAssets100.0100.0100.0

aiv:DeferredTaxLiabilitiesPartnershipDifferences

aiv:DeferredTaxLiabilitiesPartnershipDifferences


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value132126123272313850293826
Percentage of DeferredTaxLiabilitiesPartnershipDifferences100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:DerivativeCapInterestRateForLimitedSettlement

aiv:DerivativeCapInterestRateForLimitedSettlement


Derivative
Period End2020-12-31
Value2.78
Percentage of DerivativeCapInterestRateForLimitedSettlement100.0

aiv:DistributionLiabilityInJointVenture us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty

aiv:DistributionLiabilityInJointVenture

aiv:UptonPlaceJV, aiv:DonohoeCompanies


Distribution
Period End2020-12-31
Value0
Percentage of DistributionLiabilityInJointVenture0.0

aiv:FinancingLeaseLiabilityPaymentsDue

aiv:FinancingLeaseLiabilityPaymentsDue


Financing
Period End2021-06-302021-03-312020-12-31
Value177117681163
Percentage of FinancingLeaseLiabilityPaymentsDue100.0100.0100.0

aiv:FixedChargeCoverageRatio us-gaap:CreditFacility

aiv:FixedChargeCoverageRatio

us-gaap:RevolvingCreditFacility


Fixed
Period End2020-12-31
Value1.25
Percentage of FixedChargeCoverageRatio100.0

aiv:GeneralAndSpecialLimitedPartnersCapitalAccount dei:LegalEntity

aiv:GeneralAndSpecialLimitedPartnersCapitalAccount

aiv:AIMCOOPLP


General
Period End2020-12-31
Value499
Percentage of GeneralAndSpecialLimitedPartnersCapitalAccount100.0

aiv:AIMCOPropertiesLP


General
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2121169817171780170517631758157420001489154515381668
Percentage of GeneralAndSpecialLimitedPartnersCapitalAccount0.00.00.00.00.00.00.00.00.00.00.00.00.0

aiv:GuaranteeLiabilityAmount us-gaap:BalanceSheetLocation

aiv:GuaranteeLiabilityAmount

us-gaap:AccruedLiabilities


Guarantee
Period End2021-06-302021-03-312020-12-31
Value131516
Percentage of GuaranteeLiabilityAmount100.0100.0100.0

aiv:InterestPayableOnRelatedPartyNotesPayable us-gaap:IncomeStatementLocation, us-gaap:RelatedPartyTransaction

aiv:InterestPayableOnRelatedPartyNotesPayable

us-gaap:InterestExpense, aiv:NotesPayableToAIR


Interest
Period End2020-12-31
Value1300000.0
Percentage of InterestPayableOnRelatedPartyNotesPayable100.0

aiv:InterestRateOnRelatedPartyNotePayable us-gaap:RelatedPartyTransaction

aiv:InterestRateOnRelatedPartyNotePayable

aiv:NotesPayableToAIR


Interest
Period End2020-12-14
Value5.2
Percentage of InterestRateOnRelatedPartyNotePayable100.0

aiv:LeaseLiabilities

aiv:LeaseLiabilities


Lease
Period End2021-06-302021-03-312020-12-31
Value450446100
Percentage of LeaseLiabilities100.0100.0100.0

aiv:LeaseLiabilities dei:LegalEntity

aiv:AIMCOOPLP


Lease
Period End2021-06-302021-03-312020-12-31
Value450446100
Percentage of LeaseLiabilities100.0100.0100.0

aiv:LeaseLiabilities us-gaap:BusinessAcquisition

aiv:HamiltonOnTheBay


Lease
Period End2020-08-25
Value86
Percentage of LeaseLiabilities0.0

aiv:LeaseLiabilities us-gaap:StatementBusinessSegments

aiv:RedevelopmentandDevelopment


Lease
Period End2021-06-302021-03-312020-12-31
Value43743386
Percentage of LeaseLiabilities97.197.086.4

aiv:LeverageRatioMaximum us-gaap:CreditFacility

aiv:LeverageRatioMaximum

us-gaap:RevolvingCreditFacility


Leverage
Period End2020-12-31
Value60.0
Percentage of LeverageRatioMaximum100.0

aiv:LiabilitiesAndPartnersCapital dei:LegalEntity

aiv:LiabilitiesAndPartnersCapital

aiv:AIMCOOPLP


Liabilities
Period End2020-12-312019-12-31
Value18401260
Percentage of LiabilitiesAndPartnersCapital100.0100.0

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalAfterYearFive

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value255
Percentage of LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalAmount

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalAmount


Long
Period End2020-12-31
Value449
Percentage of LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalAmount100.0

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value8648000.0
Percentage of LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearFive

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value7361000.0
Percentage of LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearFive100.0

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearFour

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value89
Percentage of LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearFour100.0

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearThree

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value64
Percentage of LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearThree100.0

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearTwo

aiv:LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value24
Percentage of LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearTwo100.0

aiv:LongTermDebtAmortizationOfPrincipalAfterYearFive

aiv:LongTermDebtAmortizationOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value17
Percentage of LongTermDebtAmortizationOfPrincipalAfterYearFive100.0

aiv:LongTermDebtAmortizationOfPrincipalAmount

aiv:LongTermDebtAmortizationOfPrincipalAmount


Long
Period End2020-12-31
Value58
Percentage of LongTermDebtAmortizationOfPrincipalAmount100.0

aiv:LongTermDebtAmortizationOfPrincipalInNextTwelveMonths

aiv:LongTermDebtAmortizationOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value8648000.0
Percentage of LongTermDebtAmortizationOfPrincipalInNextTwelveMonths100.0

aiv:LongTermDebtAmortizationOfPrincipalInNextYearThree

aiv:LongTermDebtAmortizationOfPrincipalInNextYearThree


Long
Period End2020-12-31
Value9144000.0
Percentage of LongTermDebtAmortizationOfPrincipalInNextYearThree100.0

aiv:LongTermDebtAmortizationOfPrincipalInYearFive

aiv:LongTermDebtAmortizationOfPrincipalInYearFive


Long
Period End2020-12-31
Value7361000.0
Percentage of LongTermDebtAmortizationOfPrincipalInYearFive100.0

aiv:LongTermDebtAmortizationOfPrincipalInYearFour

aiv:LongTermDebtAmortizationOfPrincipalInYearFour


Long
Period End2020-12-31
Value7099000.0
Percentage of LongTermDebtAmortizationOfPrincipalInYearFour100.0

aiv:LongTermDebtAmortizationOfPrincipalInYearTwo

aiv:LongTermDebtAmortizationOfPrincipalInYearTwo


Long
Period End2020-12-31
Value9087000.0
Percentage of LongTermDebtAmortizationOfPrincipalInYearTwo100.0

aiv:MezzanineInvestment

aiv:MezzanineInvestment


Mezzanine
Period End2021-06-302021-03-312020-12-312019-12-31
Value322314307280
Percentage of MezzanineInvestment100.0100.0100.0100.0

aiv:MezzanineInvestment dei:LegalEntity

aiv:AIMCOOPLP


Mezzanine
Period End2021-06-302021-03-312020-12-312019-12-31
Value322314307280
Percentage of MezzanineInvestment100.0100.0100.0100.0

aiv:MezzanineInvestment us-gaap:InvestmentType

aiv:ParkmercedInvestment


Mezzanine
Period End2020-12-31
Value307
Percentage of MezzanineInvestment100.0

aiv:SanDiegoCommunities


Mezzanine
Period End2020-12-312019-12-31
Value1212
Percentage of MezzanineInvestment4.24.5

aiv:MezzanineInvestment us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Mezzanine
Period End2020-12-312019-12-31
Value307280
Percentage of MezzanineInvestment100.0100.0

aiv:MinimumTangibleNetWorth us-gaap:CreditFacility

aiv:MinimumTangibleNetWorth

us-gaap:RevolvingCreditFacility


Minimum
Period End2020-12-31
Value625
Percentage of MinimumTangibleNetWorth100.0

aiv:NetLeaseIntangibleAssets

aiv:NetLeaseIntangibleAssets


Net
Period End2020-12-312019-12-31
Value7.26413
Percentage of NetLeaseIntangibleAssets100.0100.0

aiv:NumberOfSharesOfCommonStockRequiredToRedeemPreferredOPUnitsTenderedForRedemptionIfParentChoosesToRedeemInSharesRatherThanCash

aiv:NumberOfSharesOfCommonStockRequiredToRedeemPreferredOPUnitsTenderedForRedemptionIfParentChoosesToRedeemInSharesRatherThanCash


Number
Period End2020-09-30
Value2400000.0
Percentage of NumberOfSharesOfCommonStockRequiredToRedeemPreferredOPUnitsTenderedForRedemptionIfParentChoosesToRedeemInSharesRatherThanCash100.0

aiv:PercentageOfApartmentUnitsLeased us-gaap:Range, us-gaap:BusinessAcquisition

aiv:PercentageOfApartmentUnitsLeased

srt:Minimum, aiv:UptonPlaceJV


Percentage
Period End2020-12-31
Value95.0
Percentage of PercentageOfApartmentUnitsLeased100.0

aiv:PercentageOfIncomeTaxOnIncomeFromNonArmsLengthTransactions

aiv:PercentageOfIncomeTaxOnIncomeFromNonArmsLengthTransactions


Percentage
Period End2020-12-31
Value100.0
Percentage of PercentageOfIncomeTaxOnIncomeFromNonArmsLengthTransactions100.0

aiv:PercentageOfRetailSpaceLeased us-gaap:Range, us-gaap:BusinessAcquisition

aiv:PercentageOfRetailSpaceLeased

srt:Minimum, aiv:UptonPlaceJV


Percentage
Period End2020-12-31
Value90.0
Percentage of PercentageOfRetailSpaceLeased100.0

aiv:PromissoryNotesIssued

aiv:PromissoryNotesIssued


Promissory
Period End2020-12-31
Value85
Percentage of PromissoryNotesIssued100.0

aiv:RealEstateAndAccumulatedDepreciationNetValueOfLandAndBuildingsAndImprovements

aiv:RealEstateAndAccumulatedDepreciationNetValueOfLandAndBuildingsAndImprovements


Real
Period End2020-12-312011-12-31
Value6016044
Percentage of RealEstateAndAccumulatedDepreciationNetValueOfLandAndBuildingsAndImprovements100.0100.0

aiv:RightOfUseAssetIncludingFinanceAndOperatingLeases

aiv:RightOfUseAssetIncludingFinanceAndOperatingLeases


Right
Period End2021-06-302021-03-312020-12-31
Value44344398
Percentage of RightOfUseAssetIncludingFinanceAndOperatingLeases100.0100.0100.0

aiv:RightOfUseAssetIncludingFinanceAndOperatingLeases dei:LegalEntity

aiv:AIMCOOPLP


Right
Period End2021-06-302021-03-312020-12-31
Value44344398
Percentage of RightOfUseAssetIncludingFinanceAndOperatingLeases100.0100.0100.0

aiv:RightOfUseAssetIncludingFinanceAndOperatingLeases us-gaap:StatementBusinessSegments

aiv:RedevelopmentandDevelopment


Right
Period End2021-06-302021-03-312020-12-31
Value43843792
Percentage of RightOfUseAssetIncludingFinanceAndOperatingLeases98.898.894.3

aiv:SecuredCreditFacility us-gaap:CreditFacility, us-gaap:LineOfCreditFacility, us-gaap:LongtermDebtType

aiv:SecuredCreditFacility

us-gaap:RevolvingCreditFacility, aiv:PNCBank, us-gaap:SecuredDebt


Secured
Period End2020-12-16
Value150
Percentage of SecuredCreditFacility100.0

aiv:SecuredDebtGross

aiv:SecuredDebtGross


Secured
Period End2020-12-312019-12-31
Value449493
Percentage of SecuredDebtGross100.0100.0

aiv:SubFacilityLoan us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType

aiv:SubFacilityLoan

us-gaap:RevolvingCreditFacility, aiv:SwinglineLoanSubFacility, aiv:PNCBank, us-gaap:LoansPayable


Sub
Period End2020-12-16
Value20
Percentage of SubFacilityLoan100.0

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances


Real
Period End2020-12-31
Value449
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances100.0

srt:RealEstateFederalIncomeTaxBasis

srt:RealEstateFederalIncomeTaxBasis


Real
Period End2020-12-31
Value1200000.0
Percentage of RealEstateFederalIncomeTaxBasis100.0

us-gaap:AccountsReceivableNet

us-gaap:AccountsReceivableNet


Accounts
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1.8723.0782.66201632293434363542414041594959
Percentage of AccountsReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedFeesAndOtherRevenueReceivable us-gaap:BalanceSheetLocation

us-gaap:AccruedFeesAndOtherRevenueReceivable

us-gaap:AccruedLiabilities


Accrued
Period End2021-06-302021-03-31
Value2900000.01450000.0
Percentage of AccruedFeesAndOtherRevenueReceivable100.0100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedLiabilitiesAndOtherLiabilities


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value919557356353349360397299293226212212206305318324280270279288282287
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities dei:LegalEntity

aiv:AIMCOOPLP


Accrued
Period End2021-06-302021-03-312020-12-312019-12-31
Value91955734
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0100.09.6

aiv:AIMCOPropertiesLP


Accrued
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value356353349360397299293226
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value29187.1064236
Percentage of AccruedLiabilitiesAndOtherLiabilities31.919.512.412.010.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Accrued
Period End2020-12-312019-12-31
Value7.1068.873
Percentage of AccruedLiabilitiesAndOtherLiabilities12.42.5

us-gaap:AccumulatedDistributionsInExcessOfNetIncome

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Accumulated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value18841798177617221797174117421947189424022345236725722530248923852495245526252596261625892603264926472735277227982886291728932863290228972873284128032774272626802492
Percentage of AccumulatedDistributionsInExcessOfNetIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312019-12-31
Value1473000.01693000.01467000.080000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0

us-gaap:AreaOfRealEstateProperty us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AreaOfRealEstateProperty

aiv:AIR, us-gaap:CorporateJointVenture


Area
Period End2020-12-04
Value100000.0
Percentage of AreaOfRealEstateProperty100.0

us-gaap:AreaOfRealEstateProperty us-gaap:Collateral, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType

us-gaap:CommercialRealEstate, aiv:FortLauderdaleFloridaJointVenture, us-gaap:SubsequentEvent


Area
Period End2021-07-31
Value3000000.0
Percentage of AreaOfRealEstateProperty0.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroupCurrent

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroupCurrent


Assets
Period End2020-09-302019-12-312018-12-31
Value500.042
Percentage of AssetsHeldForSaleNotPartOfDisposalGroupCurrent100.00.0100.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroupCurrent dei:LegalEntity

aiv:AIMCOPropertiesLP


Assets
Period End2020-09-302019-12-312018-12-31
Value500.042
Percentage of AssetsHeldForSaleNotPartOfDisposalGroupCurrent100.00.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value9593919083
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0

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

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value9897959488
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value9897959488
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseAccumulatedAmortization

us-gaap:BelowMarketLeaseAccumulatedAmortization


Below
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2.3660.63336343331393533
Percentage of BelowMarketLeaseAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseAmortizationIncomeNextTwelveMonths

us-gaap:BelowMarketLeaseAmortizationIncomeNextTwelveMonths


Below
Period End2020-12-31
Value1201000.0
Percentage of BelowMarketLeaseAmortizationIncomeNextTwelveMonths100.0

us-gaap:BelowMarketLeaseAmortizationIncomeYearFive

us-gaap:BelowMarketLeaseAmortizationIncomeYearFive


Below
Period End2020-12-31
Value146000.0
Percentage of BelowMarketLeaseAmortizationIncomeYearFive100.0

us-gaap:BelowMarketLeaseAmortizationIncomeYearFour

us-gaap:BelowMarketLeaseAmortizationIncomeYearFour


Below
Period End2020-12-31
Value176000.0
Percentage of BelowMarketLeaseAmortizationIncomeYearFour100.0

us-gaap:BelowMarketLeaseAmortizationIncomeYearThree

us-gaap:BelowMarketLeaseAmortizationIncomeYearThree


Below
Period End2020-12-31
Value321000.0
Percentage of BelowMarketLeaseAmortizationIncomeYearThree100.0

us-gaap:BelowMarketLeaseAmortizationIncomeYearTwo

us-gaap:BelowMarketLeaseAmortizationIncomeYearTwo


Below
Period End2020-12-31
Value676000.0
Percentage of BelowMarketLeaseAmortizationIncomeYearTwo100.0

us-gaap:BelowMarketLeaseGross

us-gaap:BelowMarketLeaseGross


Below
Period End2020-12-312019-12-31
Value4886000.04219000.0
Percentage of BelowMarketLeaseGross100.0100.0

us-gaap:BelowMarketLeaseNet

us-gaap:BelowMarketLeaseNet


Below
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2.523.586189.11012131619
Percentage of BelowMarketLeaseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseNet us-gaap:BusinessAcquisition

aiv:AssetAcquisitions


Below
Period End2020-08-25
Value0.296
Percentage of BelowMarketLeaseNet0.0

aiv:HamiltonOnTheBay


Below
Period End2020-08-25
Value0.951
Percentage of BelowMarketLeaseNet0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

aiv:TheBensonHotelAndFaculty


Business
Period End2021-02-28
Value6200000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

aiv:TheBensonHotelAndFaculty


Business
Period End2021-02-28
Value900000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:ConstructionLoan dei:LegalEntity

us-gaap:ConstructionLoan

aiv:AIMCOOPLP


Construction
Period End2021-06-30
Value114
Percentage of ConstructionLoan100.0

us-gaap:ConstructionLoan us-gaap:Ownership, us-gaap:Range

aiv:UptonPlaceJV, srt:Maximum


Construction
Period End2020-12-23
Value174
Percentage of ConstructionLoan0.0

us-gaap:ConstructionPayableCurrentAndNoncurrent

us-gaap:ConstructionPayableCurrentAndNoncurrent


Construction
Period End2021-02-28
Value900000.0
Percentage of ConstructionPayableCurrentAndNoncurrent100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2020-12-31
Value390
Percentage of DebtInstrumentCarryingAmount100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:CreditFacility, us-gaap:LineOfCreditFacility

us-gaap:DebtInstrumentFaceAmount

us-gaap:LetterOfCredit, aiv:PNCBank


Debt
Period End2020-12-16
Value30
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:CorporateJointVenture


Debt
Period End2020-09-08
Value1220
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DeferredCosts

us-gaap:DeferredCosts


Deferred
Period End2021-06-212021-04-15
Value2300000.03800000.0
Percentage of DeferredCosts100.0100.0

us-gaap:DeferredCostsLeasingNet us-gaap:LossContingenciesByNatureOfContingency

us-gaap:DeferredCostsLeasingNet

aiv:COVIDRelatedWriteOff


Deferred
Period End2020-09-30
Value2400000.0
Percentage of DeferredCostsLeasingNet100.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2020-12-312019-12-312018-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3.39320212226303637494646484850
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility


Deferred
Period End2020-12-31
Value1.9
Percentage of DeferredFinanceCostsNet56.0

us-gaap:DeferredFinanceCostsNet us-gaap:Ownership

aiv:UptonPlaceJV


Deferred
Period End2020-12-31
Value7.5
Percentage of DeferredFinanceCostsNet221.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value0.046.1477.0229.5238.8738.0246.6996266
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value999000.01379000.02064000.0200000.0300000.0333000.0222000.0393000.068000.0179000.0159000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets

us-gaap:DerivativeAssets


Derivative
Period End2021-06-302021-03-312020-12-31
Value274413
Percentage of DerivativeAssets100.0100.0100.0

us-gaap:DerivativeAssets dei:LegalEntity, us-gaap:DerivativeInstrumentRisk

aiv:AIMCOOPLP, aiv:InterestRateOptions


Derivative
Period End2020-12-31
Value13
Percentage of DerivativeAssets100.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk

aiv:InterestRateOptions


Derivative
Period End2020-12-31
Value13
Percentage of DerivativeAssets100.0

us-gaap:DerivativeCapInterestRate us-gaap:CreditDerivativesByContractType

us-gaap:DerivativeCapInterestRate

aiv:InterestRateOption


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value3.03.01.681.68
Percentage of DerivativeCapInterestRate100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeNet us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeFairValueOfDerivativeNet

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value27441310110.0
Percentage of DerivativeFairValueOfDerivativeNet100.0100.0100.0100.0100.00.0

us-gaap:DerivativeFairValueOfDerivativeNet us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value27441310110.0
Percentage of DerivativeFairValueOfDerivativeNet100.0100.0100.0100.0100.00.0

us-gaap:DueFromAffiliateCurrent us-gaap:BusinessAcquisition

us-gaap:DueFromAffiliateCurrent

aiv:HamiltonOnTheBay


Due
Period End2020-08-25
Value705000.0
Percentage of DueFromAffiliateCurrent100.0

us-gaap:DueFromAffiliates

us-gaap:DueFromAffiliates


Due
Period End2021-06-302021-03-312020-12-312012-12-312011-12-312011-06-302011-03-312010-12-312009-12-31
Value2.086234.3334.44.65.1798.0498.39223
Percentage of DueFromAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DueFromAffiliates dei:LegalEntity

aiv:AIMCOOPLP


Due
Period End2020-12-31
Value4.333
Percentage of DueFromAffiliates100.0

us-gaap:DueFromAffiliates us-gaap:RelatedPartyTransaction

aiv:AIR


Due
Period End2021-03-312020-12-31
Value235.9
Percentage of DueFromAffiliates99.8136.2

us-gaap:DueToAffiliateCurrentAndNoncurrent

us-gaap:DueToAffiliateCurrentAndNoncurrent


Due
Period End2021-06-302020-12-31
Value165.897
Percentage of DueToAffiliateCurrentAndNoncurrent100.0100.0

us-gaap:DueToAffiliateCurrentAndNoncurrent dei:LegalEntity

aiv:AIMCOOPLP


Due
Period End2020-12-31
Value5.897
Percentage of DueToAffiliateCurrentAndNoncurrent100.0

us-gaap:DueToAffiliateCurrentAndNoncurrent us-gaap:RelatedPartyTransaction

aiv:AIR


Due
Period End2021-03-312020-12-31
Value243.6
Percentage of DueToAffiliateCurrentAndNoncurrent0.061.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-12-31
Value1500000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions


Employee
Period End2020-12-31
Value1490000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

aiv:TSRLTIPIIUnits


Employee
Period End2020-12-31
Value50000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0

aiv:TSRLTIPIUnits


Employee
Period End2020-12-31
Value439000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions878.0

aiv:TSRRestrictedStock


Employee
Period End2020-12-31
Value393000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions786.0

us-gaap:RestrictedStock


Employee
Period End2020-12-31
Value608000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions1216.0

us-gaap:EquityMethodInvestmentAggregateCost us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestmentAggregateCost

us-gaap:CorporateJointVenture


Equity
Period End2020-09-08
Value461
Percentage of EquityMethodInvestmentAggregateCost100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:BusinessAcquisition

us-gaap:EquityMethodInvestmentOwnershipPercentage

aiv:AIR


Equity
Period End2020-12-31
Value19.0
Percentage of EquityMethodInvestmentOwnershipPercentage100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty

aiv:AIR, us-gaap:CorporateJointVenture


Equity
Period End2020-12-04
Value90.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

aiv:UptonPlaceJV, aiv:DonohoeCompanies