AIV


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:StockholdersEquityNoteStockSplitConversionRatio1

us-gaap:CommonStockValue

us-gaap:CommonStockParOrStatedValuePerShare
us-gaap:StatementClassOfStock
us-gaap:StatementEquityComponents
us-gaap:SharesIssued

us-gaap:CommonStockSharesIssued
us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesOutstanding
dei:LegalEntity

us-gaap:CommonStockSharesAuthorized
us-gaap:SubsequentEventType

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:StatementClassOfStock, dei:LegalEntity

us-gaap:EarningsPerShareBasic
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:EarningsPerShareDiluted
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare
dei:LegalEntity

us-gaap:Revenues
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:IncomeStatementLocation, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:IncomeStatementLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction
us-gaap:ProductOrService
us-gaap:ProductOrService, dei:LegalEntity
us-gaap:SegmentReportingInformationBySegment
us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:CostOfRevenue
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:ProductOrService, dei:LegalEntity

us-gaap:GeneralAndAdministrativeExpense
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:SegmentReportingInformationBySegment
us-gaap:StatementBusinessSegments

us-gaap:InterestExpense
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:OperatingExpenses
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:IncomeStatementLocation, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:IncomeStatementLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction
us-gaap:SegmentReportingInformationBySegment
us-gaap:StatementBusinessSegments

us-gaap:GeneralAndAdministrativeExpense
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:SegmentReportingInformationBySegment
us-gaap:StatementBusinessSegments

us-gaap:OperatingIncomeLoss
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:SegmentReportingInformationBySegment
us-gaap:StatementBusinessSegments

us-gaap:InterestExpense
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:OtherNonoperatingIncomeExpense
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:IncomeStatementLocation, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:IncomeStatementLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

us-gaap:IncomeLossFromContinuingOperations
dei:LegalEntity

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

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
aiv:DisposalGroupClassificationAxis, us-gaap:RealEstateProperties
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DisposalGroupClassification, us-gaap:RealEstateProperties
us-gaap:MajorPropertyClass
us-gaap:SegmentReportingInformationBySegment
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity
dei:LegalEntity

us-gaap:IncomeTaxExpenseBenefit
dei:LegalEntity
us-gaap:BusinessAcquisition
us-gaap:ConsolidatedEntities
us-gaap:IncomeStatementLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:Restatement
us-gaap:Restatement, us-gaap:AdjustmentsForChangeInAccountingPrinciple
us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

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

us-gaap:ComprehensiveIncomeNetOfTax
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:NetIncomeLoss
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:IncomeStatementLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
dei:LegalEntity

us-gaap:Assets
dei:LegalEntity
us-gaap:BalanceSheetLocation, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:BalanceSheetLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:StatementBusinessSegments

us-gaap:Liabilities
dei:LegalEntity
us-gaap:BalanceSheetLocation, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:BalanceSheetLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction
us-gaap:ConsolidatedEntities
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:LiabilitiesAndStockholdersEquity
aiv:LegallySoldPortfolio
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

us-gaap:StockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity
dei:LegalEntity, us-gaap:MajorPropertyClass, us-gaap:Subsegments
dei:LegalEntity, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:Subsegments
dei:LegalEntity, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:BalanceSheetLocation, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:BalanceSheetLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments
us-gaap:ConsolidatedEntities, us-gaap:Subsegments
us-gaap:MajorPropertyClass, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:MajorPropertyClass, us-gaap:Subsegments
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MajorPropertyClass, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:StatementBusinessSegments
us-gaap:Subsegments
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:StatementBusinessSegments
us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:Land
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementBusinessSegments
us-gaap:BusinessAcquisition
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:Goodwill
us-gaap:MajorPropertyClass
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:IntangibleAssetsNetIncludingGoodwill
us-gaap:StatementBusinessSegments

us-gaap:DeferredTaxAssetsLiabilitiesNet
us-gaap:StatementBusinessSegments

us-gaap:LongTermDebt
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:BalanceSheetLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction
us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidatedEntities
us-gaap:Restatement
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:StatementScenario

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidatedEntities
us-gaap:Restatement
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:StatementScenario

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidatedEntities
us-gaap:Restatement
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:StatementScenario

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidatedEntities
us-gaap:Restatement
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:StatementScenario

us-gaap:NetIncomeLoss
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

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

us-gaap:DepreciationDepletionAndAmortization
dei:LegalEntity
us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidatedEntities
us-gaap:Restatement
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:StatementScenario

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidatedEntities
us-gaap:Restatement
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:StatementScenario

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock
dei:LegalEntity
us-gaap:DebtInstrument, us-gaap:Range
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DebtInstrument, us-gaap:Range, us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument, us-gaap:Range, us-gaap:Subsegments
us-gaap:Range, us-gaap:DebtInstrument
us-gaap:Range, us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
us-gaap:AwardType

us-gaap:ShareBasedCompensation
dei:LegalEntity

us-gaap:DeferredTaxLiabilities
us-gaap:BusinessAcquisition

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:ValuationAllowanceByDeferredTaxAsset

us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity
us-gaap:MajorPropertyClass, us-gaap:RealEstateProperties
us-gaap:StatementEquityComponents
aiv:AmortizationOfStockOptionAndRestrictedStockCompensationCost

aiv:EffectOfChangesInOwnershipForConsolidatedEntities
us-gaap:StatementEquityComponents

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
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
aiv:PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated
dei:LegalEntity
aiv:PaymentOfDistributionsToGeneralPartnerAndSpecialLimitedPartner
dei:LegalEntity
aiv:PaymentOfDistributionsToLimitedPartners
dei:LegalEntity
aiv:PaymentsForRedemptionOfCommonAndPreferredUnits

aiv:PaymentsToAcquirePurchasesOfCorporateAssetsInvestingActivities
dei:LegalEntity

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

aiv:RedemptionOfOperatingPartnershipUnitsInExchangeForCash
us-gaap:StatementEquityComponents
us-gaap:ConsolidatedEntities, us-gaap:Range
aiv:TemporaryEquityDistributionMadeToMemberOrLimitedPartnerDistributionsPaidPercentage

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
dei:LegalEntity

us-gaap:CommonStockDividendsPerShareCashPaid
us-gaap:DebtInstrument, us-gaap:SubsequentEventType, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:DepreciationAndAmortization
dei:LegalEntity

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

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EarningsPerShareBasicAndDiluted
dei:LegalEntity

us-gaap:GainLossOnSaleOfPropertiesBeforeApplicableIncomeTaxes
dei:LegalEntity

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

us-gaap:IncreaseDecreaseInOperatingCapital
dei:LegalEntity

us-gaap:InvestmentIncomeInterest
dei:LegalEntity

us-gaap:InvestmentIncomeInvestmentExpense
dei:LegalEntity

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

us-gaap:NetIncomeLossAttributableToParentDiluted
dei:LegalEntity

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

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable
dei:LegalEntity

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
dei:LegalEntity

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

us-gaap:OtherCostAndExpenseOperating
dei:LegalEntity

us-gaap:OtherNoncashIncomeExpense
dei:LegalEntity

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

us-gaap:PaymentsForCapitalImprovements
dei:LegalEntity

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
dei:LegalEntity

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest

us-gaap:PaymentsOfDividendsMinorityInterest
dei:LegalEntity

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock
dei:LegalEntity

us-gaap:PaymentsToAcquireResidentialRealEstate
dei:LegalEntity

us-gaap:PreferredStockDividendsAndOtherAdjustments

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
dei:LegalEntity

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit
dei:LegalEntity

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment
dei:LegalEntity

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

us-gaap:RepaymentsOfSecuredDebt
dei:LegalEntity
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:WeightedAverageNumberDilutedSharesOutstandingAdjustment
dei:LegalEntity
dei:LegalEntity
aiv:GeneralAndSpecialLimitedPartnersCapitalAccount
us-gaap:DisposalGroupClassification, us-gaap:RealEstateProperties
aiv:NumberOfRealEstatePropertiesSold

us-gaap:AccruedLiabilitiesAndOtherLiabilities
dei:LegalEntity

us-gaap:AccumulatedDistributionsInExcessOfNetIncome

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

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

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

us-gaap:InvestmentBuildingAndBuildingImprovements
dei:LegalEntity
dei:LegalEntity
us-gaap:LimitedPartnersCapitalAccount

us-gaap:LineOfCredit
dei:LegalEntity
us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:LongTermDebtFairValue

us-gaap:MinorityInterestInLimitedPartnerships

us-gaap:MinorityInterestInOperatingPartnerships
us-gaap:DisposalGroupClassification
us-gaap:NumberOfRealEstateProperties
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:RealEstateProperties, us-gaap:StatementBusinessSegments
us-gaap:RealEstateProperties
us-gaap:RealEstateProperties, us-gaap:StatementBusinessSegments

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

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation
dei:LegalEntity

us-gaap:RealEstateInvestmentPropertyAtCost
dei:LegalEntity

us-gaap:RealEstateInvestmentPropertyNet
dei:LegalEntity

us-gaap:RedeemableNoncontrollingInterestEquityOtherCarryingAmount
dei:LegalEntity

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

us-gaap:RestrictedCashAndCashEquivalents
dei:LegalEntity

us-gaap:SecuredDebt
dei:LegalEntity

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquityNoteStockSplitConversionRatio1 NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockValue ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄11111111111111111111111111111111111111NANANA
us-gaap:CommonStockParOrStatedValuePerShare ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄0.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.01NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock▁▁▁▁▁▂▄▄▄█148148148148148149152152152157NANANA156NANANA156NANANA146NANANA145NANANA145NANANA120NANANA117NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:PreferredStock▄▄00NANA555555NANANA5NANANA6NANANA6NANANA1NANANA1NANANA24NANANA24NANANA
us-gaap:CommonStockSharesIssued ▆▆▆▆▆▇███████████████▆▆▆▆▆▆▆▆▆▆▆▂▂▂▂▁▁148148148148148149157157157157157157157156156156156156156156156146146146146145145145145145145144121120120120119117NANANA
us-gaap:CommonStockSharesOutstanding ▆▆▆▆▆▇███████████████▆▆▆▆▆▆▆▆▆▆▆▂▂▂▂▁▁148148148148148149157157157157157157157156156156156156156156156146146146146145145145145145145144121120120120119117NANANA
us-gaap:CommonStockSharesAuthorized █▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇████████▆▆▆▆▆▆▁▁510500500500500500500500500500500500500500500500500500500500500500505505505505505505505505480480480480480485422422NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 148NA148148144NA156156156NA156156156156156156156156156155154146146145145145145145145NA144127120NA120119117NA116116NA
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us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▁▃▁▂▄▁█▁▃▅▁▁▁▃▄▅▁▂▁▂▃▂▄▂▄29151723321121233121421351410616716NA12-3-3NA1411846-3-8-12-13-210
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
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us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▁▁▂▅▂█▂▁▆▂▂▂▄▂▂▂▃▂▂▃▂▅▃▃-98-189-213-54252-117532-122-171288-96-90-86136-79-89-6544-131-10420-101176-15-46NANANA-73NANANA-65815-32-144-14478
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us-gaap:NetCashProvidedByUsedInFinancingActivities ██▇▅▅▆▁▆▇▃▆▆▆▅▆▆▆▅▇▅▇▆▄▆▆217178132-166-208-7-6841786-376-20-1721-224-27-225-14029-1065013-270-78-26NANANA-10NANANA-49-125-105-31-56-1452-131-38
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us-gaap:PaymentsOfDividendsCommonStock ▇▆▆▆█▆▆▆▆▅▅▅▅▄▄▄▄▃▃▃▂▁▁▁▁61575757675859595956565656515151514646464338373837NANANA34NANANA211414141411111111
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▁▁▁█▁▁▁1000020373000NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:Range aiv:FixedRate,us-gaap:MinimumNANANANANANANANANANANANANA0.0228NANANANANANANANANANANANANANANANANANANANANANANANANANANA
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Stockholders Equity Note Stock Split Conversion Ratio1

us-gaap:StockholdersEquityNoteStockSplitConversionRatio1



Period End2019-02-202019-02-03
Value0.01031190.0103119
Percentage of StockholdersEquityNoteStockSplitConversionRatio1100.0100.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value111111111111111111111111111111111111111
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
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

Common Stock Par Or Stated Value Per Share

us-gaap:CommonStockParOrStatedValuePerShare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value0.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.01
Percentage of CommonStockParOrStatedValuePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementClassOfStock

us-gaap:CommonClassA



Period End2015-12-31
Value0.01
Percentage of CommonStockParOrStatedValuePerShare100.0

Shares Issued

us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value14814814814814814915215215215715615614614514512011711610091
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStock



Period End2020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value00555555566112424242424
Percentage of SharesIssued0.00.03.43.43.33.33.33.23.24.14.40.90.920.621.221.424.827.2

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value148148148148148149157157157157157157157156156156156156156156156146146146146145145145145145145144121120120120119117116
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementClassOfStock

us-gaap:CommonClassA



Period End2011-12-312011-06-302010-12-31
Value220
Percentage of CommonStockSharesIssued2.42.30.5

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value148148148148148149157157157157157157157156156156156156156156156146146146146145145145145145145144121120120120119117116
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:Subsidiaries



Period End2014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value153153153153153153153
Percentage of CommonStockSharesOutstanding105.2105.2105.3105.4105.4105.5105.5

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value510500500500500500500500500500500500500500500500500500500500500500505505505505505505505505480480480480480485422422426
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-02-242020-02-23
Value510500
Percentage of CommonStockSharesAuthorized0.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value148148148144156156156156156156156156156156156156155154146146145145145145145145144127120120119117116116
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value157156157152165164163164164164
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding105.5105.5105.7105.7105.3105.1104.6104.7104.7104.8

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value164164164164163163163163161153153153153153153153153152135128128127125
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding104.8104.9105.0105.0105.0105.0104.9104.9105.0105.2105.2105.3105.4105.5105.5105.5105.5105.5106.5106.8106.9107.1107.2

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value164164164164
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding104.7104.7105.0105.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value148148148144156156156156156156156156156155155155155153145145145145145145145145144127120120119117116116
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value156156156152165164163163163163
Percentage of WeightedAverageNumberOfSharesOutstandingBasic105.5105.5105.6105.6105.3105.1104.6104.7104.8104.8

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-03-31
Value163163163164163163163163161153153153153153153153153152135128128125
Percentage of WeightedAverageNumberOfSharesOutstandingBasic104.8104.9105.0105.0105.0105.0104.9104.9105.0105.3105.3105.3105.4105.5105.5105.5105.5105.5106.5106.8106.9107.2

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value163163163164
Percentage of WeightedAverageNumberOfSharesOutstandingBasic104.7104.8105.0105.0

us-gaap:StatementClassOfStock, dei:LegalEntity

aiv:HighPerformanceUnits, us-gaap:Subsidiaries



Period End2012-03-312011-03-31
Value22
Percentage of WeightedAverageNumberOfSharesOutstandingBasic1.92.0

us-gaap:CommonStock, us-gaap:Subsidiaries



Period End2012-03-312011-03-31
Value126123
Percentage of WeightedAverageNumberOfSharesOutstandingBasic104.9105.2

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.040.90.010.41.880.033.620.020.521.680.110.10.071.040.071.420.150.430.120.390.580.250.860.510.440.460.07
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value0.040.90000000000000040.011.880.049999999999999823.620.021.670.110.1
Percentage of EarningsPerShareBasic100.0100.0100.0100.0166.7100.0100.099.4100.0100.0

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.071.040.071.420.150.430.120.390.580.250.860.510.440.460.07
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:Subsidiaries



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.90.010.41.880.033.620.020.521.680.110.10.07
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Subsidiaries



Period End2017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.680.110.10.071.040.071.420.15
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.040.90.010.41.880.033.610.020.521.670.110.10.071.030.071.410.150.430.120.390.580.250.850.510.440.460.07
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value0.040.89000000000000010.011.880.049999999999999823.610.021.670.110.1
Percentage of EarningsPerShareDiluted100.098.9100.0100.0166.7100.0100.0100.0100.0100.0

us-gaap:Subsidiaries



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value1.030.071.410.150.430.120.390.580.250.850.510.440.460.07
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:Subsidiaries



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.90.010.41.880.033.610.020.521.670.110.10.07
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Subsidiaries



Period End2017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.670.110.10.071.030.071.410.15
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare



Period End2015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.430.120.390.580.250.860.510.440.040.01
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:Subsidiaries



Period End2015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.430.120.390.580.250.860.510.440.040.01
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare



Period End2015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.430.120.390.580.250.850.510.440.040.01
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:Subsidiaries



Period End2015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.430.120.390.580.250.850.510.440.040.01
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value224230229224230232242250247255254249246249248251246245246244244242246246248250254259255265267270273272281281286271273276276
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value224230229224230232242250247255254249246
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues aiv:AIMCOPropertiesLP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value246249248251246245246244244242246246248250254259255265267270273248254259264
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.091.090.492.392.1
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.091.090.492.392.1
Percentage of Revenues us-gaap:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:Subsidiaries



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value230229224230232242250247255254249246
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues srt:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Subsidiaries



Period End2017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value255254249246249248251246
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues us-gaap:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

aiv:CorporateNonsegmentAndOtherReconcilingItemsMember



Period End2016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value414799-13283234
Percentage of Revenues1.96.03.14.03.9-5.511.613.213.9
Percentage of Revenues1.96.03.14.03.9-5.511.613.213.9
Percentage of Revenues aiv:CorporateNonsegmentAndOtherReconcilingItemsMember100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:ProportionateAdjustments



Period End2016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value89109810777
Percentage of Revenues3.63.74.13.83.64.43.02.92.9
Percentage of Revenues3.63.74.13.83.64.43.02.92.9
Percentage of Revenues aiv:ProportionateAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-21800513102724672322229121536222422
Percentage of Revenues-1.37.90.00.42.65.64.411.09.826.39.29.19.03.85.16.114.99.210.09.2
Percentage of Revenues-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:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value87888888901777777877
Percentage of Revenues3.93.43.83.73.83.63.73.33.7-0.10.52.93.02.92.92.93.13.33.12.9
Percentage of Revenues3.93.43.83.73.83.63.73.33.7-0.10.52.93.02.92.92.93.13.33.12.9
Percentage of Revenues us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:Acquisition



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0111010991061
Percentage of Revenues0.44.84.64.64.34.04.42.50.6
Percentage of Revenues0.44.84.64.64.34.04.42.50.6
Percentage of Revenues us-gaap:OperatingSegments aiv:Acquisition100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:AffordableRealEstate



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value252525242324242423232323
Percentage of Revenues10.310.210.210.19.79.99.99.99.89.69.69.4
Percentage of Revenues10.310.210.210.19.79.99.99.99.89.69.69.4
Percentage of Revenues us-gaap:OperatingSegments aiv:AffordableRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:AimcoRealEstate



Period End2018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value210222214214188230219216173210205202
Percentage of Revenues90.891.985.786.573.890.388.088.069.584.781.782.1
Percentage of Revenues90.891.985.786.573.890.388.088.069.584.781.782.1
Percentage of Revenues us-gaap:OperatingSegments aiv:AimcoRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:ConventionalRealEstate



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value207203202207198204201201221187182183
Percentage of Revenues83.081.880.884.480.782.982.382.691.375.874.273.8
Percentage of Revenues83.081.880.884.480.782.982.382.691.375.874.273.8
Percentage of Revenues us-gaap:OperatingSegments aiv:ConventionalRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:OtherRealEstate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value171213999999
Percentage of Revenues8.05.65.84.14.14.13.93.73.8
Percentage of Revenues8.05.65.84.14.14.13.93.73.8
Percentage of Revenues us-gaap:OperatingSegments aiv:OtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value111817192020191818
Percentage of Revenues5.37.97.88.58.88.78.27.47.3
Percentage of Revenues5.37.97.88.58.88.78.27.47.3
Percentage of Revenues us-gaap:OperatingSegments aiv:RedevelopmentandDevelopment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:SameStore



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value187161179176175156172169168
Percentage of Revenues83.770.477.978.776.367.471.167.968.1
Percentage of Revenues83.770.477.978.776.367.471.167.968.1
Percentage of Revenues us-gaap:OperatingSegments aiv:SameStore100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeStatementLocation, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End
Value
Percentage of Revenues

us-gaap:IncomeStatementLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End2014-09-302014-06-302013-09-302013-06-30
Value9556
Percentage of Revenues4.02.32.22.7
Percentage of Revenues4.02.32.22.7
Percentage of Revenues aiv:OtherNonoperatingIncomeExpense aiv:NapicoPortfolio100.0100.0100.0100.0

us-gaap:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value6666955
Percentage of Revenues2.52.62.62.74.02.32.3
Percentage of Revenues2.52.62.62.74.02.32.3
Percentage of Revenues us-gaap:OtherNonoperatingIncomeExpense aiv:NapicoPortfolio100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:AssetManagement1



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0000819
Percentage of Revenues0.00.00.00.03.57.6
Percentage of Revenues0.00.00.00.03.57.6
Percentage of Revenues us-gaap:AssetManagement10.00.00.00.0100.0100.0

us-gaap:RealEstate



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value230229224232234231
Percentage of Revenues100.0100.0100.0100.096.592.4
Percentage of Revenues100.0100.0100.0100.096.592.4
Percentage of Revenues us-gaap:RealEstate100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, dei:LegalEntity

us-gaap:AssetManagement1, aiv:AIMCOPropertiesLP



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0000819
Percentage of Revenues0.00.00.00.03.57.6
Percentage of Revenues0.00.00.00.03.57.6
Percentage of Revenues us-gaap:AssetManagement1 aiv:AIMCOPropertiesLP0.00.00.00.0100.0100.0

us-gaap:RealEstate, aiv:AIMCOPropertiesLP



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value230229224232234231
Percentage of Revenues100.0100.0100.0100.096.592.4
Percentage of Revenues100.0100.0100.0100.096.592.4
Percentage of Revenues us-gaap:RealEstate aiv:AIMCOPropertiesLP100.0100.0100.0100.0100.0100.0

us-gaap:SegmentReportingInformationBySegment

aiv:AffordableRealEstate



Period End2011-06-302010-06-30
Value3231
Percentage of Revenues11.711.4
Percentage of Revenues11.711.4
Percentage of Revenues aiv:AffordableRealEstate100.0100.0

aiv:ConventionalRealEstate



Period End2011-06-302010-06-30
Value208203
Percentage of Revenues74.173.5
Percentage of Revenues74.173.5
Percentage of Revenues aiv:ConventionalRealEstate100.0100.0

aiv:CorporateAndOther



Period End2011-06-302010-06-30
Value710
Percentage of Revenues2.83.8
Percentage of Revenues2.83.8
Percentage of Revenues aiv:CorporateAndOther100.0100.0

aiv:ProportionateAdjustments



Period End2011-06-302010-06-30
Value3231
Percentage of Revenues11.411.3
Percentage of Revenues11.411.3
Percentage of Revenues aiv:ProportionateAdjustments100.0100.0

us-gaap:StatementBusinessSegments

aiv:Affordable



Period End2011-09-302010-09-30
Value3231
Percentage of Revenues11.611.6
Percentage of Revenues11.611.6
Percentage of Revenues aiv:Affordable100.0100.0

aiv:AffordableRealEstate



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value232424242525283030272830
Percentage of Revenues9.69.99.79.79.810.010.611.211.39.610.310.5
Percentage of Revenues9.69.99.79.79.810.010.611.211.39.610.310.5
Percentage of Revenues aiv:AffordableRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:Conventional



Period End2011-09-302010-09-30
Value206200
Percentage of Revenues73.273.5
Percentage of Revenues73.273.5
Percentage of Revenues aiv:Conventional100.0100.0

aiv:ConventionalRealEstate



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value195201204210213209209209208196200200
Percentage of Revenues79.481.882.182.682.281.878.277.476.169.871.270.1
Percentage of Revenues79.481.882.182.682.281.878.277.476.169.871.270.1
Percentage of Revenues aiv:ConventionalRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:CorporateAndOther



Period End2012-06-302012-03-312011-06-302011-03-31
Value9879
Percentage of Revenues3.33.02.83.4
Percentage of Revenues3.33.02.83.4
Percentage of Revenues aiv:CorporateAndOther100.0100.0100.0100.0

aiv:ProportionateAdjustments



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value888121313192126173022231830
Percentage of Revenues3.33.63.64.85.05.47.28.19.66.410.88.08.26.911.2
Percentage of Revenues3.33.63.64.85.05.47.28.19.66.410.88.08.26.911.2
Percentage of Revenues aiv:ProportionateAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateAndOther



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value191111777109812
Percentage of Revenues7.74.74.62.93.02.84.03.33.04.3
Percentage of Revenues7.74.74.62.93.02.84.03.33.04.3
Percentage of Revenues us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnallocatedAmountToSegment



Period End2011-09-302010-09-30
Value1210
Percentage of Revenues4.33.8
Percentage of Revenues4.33.8
Percentage of Revenues us-gaap:UnallocatedAmountToSegment100.0100.0

Cost Of Revenue

us-gaap:ConsolidationItems, us-gaap:ProductOrService

us-gaap:CostOfRevenue

us-gaap:CorporateNonSegment, us-gaap:RealEstate



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value185717910
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.02.23.17.44.14.0
Percentage of Revenues us-gaap:CorporateNonSegment us-gaap:RealEstate0.00.00.00.00.00.0

us-gaap:MaterialReconcilingItems, us-gaap:RealEstate



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value787677
Percentage of CostOfRevenue38.5163.3109.839.578.670.6
Percentage of Revenues3.13.63.42.93.22.8
Percentage of Revenues us-gaap:MaterialReconcilingItems us-gaap:RealEstate0.00.00.00.00.00.0

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

us-gaap:OperatingSegments, us-gaap:RealEstate, aiv:Acquisition



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value232221
Percentage of CostOfRevenue13.965.842.314.428.418.6
Percentage of Revenues1.11.41.31.11.20.7
Percentage of Revenues us-gaap:OperatingSegments us-gaap:RealEstate aiv:Acquisition0.00.00.00.00.00.0

us-gaap:OperatingSegments, us-gaap:RealEstate, aiv:OtherRealEstate



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value453333
Percentage of CostOfRevenue25.8102.155.521.836.736.5
Percentage of Revenues2.12.21.71.61.51.5
Percentage of Revenues us-gaap:OperatingSegments us-gaap:RealEstate aiv:OtherRealEstate0.00.00.00.00.00.0

us-gaap:OperatingSegments, us-gaap:RealEstate, aiv:RedevelopmentandDevelopment



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value677776
Percentage of CostOfRevenue33.2148.299.941.772.768.9
Percentage of Revenues2.73.23.13.13.02.8
Percentage of Revenues us-gaap:OperatingSegments us-gaap:RealEstate aiv:RedevelopmentandDevelopment0.00.00.00.00.00.0

us-gaap:OperatingSegments, us-gaap:RealEstate, aiv:SameStore



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value394847384646
Percentage of CostOfRevenue214.5956.6670.3221.8469.5460.2
Percentage of Revenues17.221.021.016.419.318.5
Percentage of Revenues us-gaap:OperatingSegments us-gaap:RealEstate aiv:SameStore0.00.00.00.00.00.0

us-gaap:ProductOrService

us-gaap:AssetManagement1



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value000029
Percentage of CostOfRevenue0.00.00.00.326.290.0
Percentage of Revenues0.00.00.00.01.13.6
Percentage of Revenues us-gaap:AssetManagement10.00.00.00.030.947.6

us-gaap:RealEstate



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value787775757876
Percentage of CostOfRevenue425.91536.01077.7439.1785.9754.8
Percentage of Revenues34.233.733.832.532.330.4
Percentage of Revenues us-gaap:RealEstate34.233.733.832.533.432.9

us-gaap:ProductOrService, dei:LegalEntity

us-gaap:AssetManagement1, aiv:AIMCOPropertiesLP



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value000029
Percentage of CostOfRevenue0.00.00.00.326.290.0
Percentage of Revenues0.00.00.00.01.13.6
Percentage of Revenues us-gaap:AssetManagement1 aiv:AIMCOPropertiesLP0.00.00.00.030.947.6

us-gaap:RealEstate, aiv:AIMCOPropertiesLP



Period End2019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value787775757876
Percentage of CostOfRevenue425.91536.01077.7439.1785.9754.8
Percentage of Revenues34.233.733.832.532.330.4
Percentage of Revenues us-gaap:RealEstate aiv:AIMCOPropertiesLP34.233.733.832.533.432.9

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1012111210912131112101010101111119111210121010101011111213111412121114121511
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.55.55.15.44.53.95.15.54.64.74.14.14.34.24.54.54.83.84.54.94.45.34.34.14.24.34.34.64.65.04.25.44.54.43.95.34.45.54.2

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1012111210912131112101010
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0102.6
Percentage of Revenues4.55.55.15.44.53.95.15.54.64.74.14.14.4
Percentage of Revenues aiv:AIMCOPropertiesLP4.55.55.15.44.53.95.15.54.64.74.14.14.4

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value1010111111911121012101010101111121311121211
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6100.6100.5
Percentage of Revenues4.34.24.54.54.83.84.54.94.45.34.34.14.24.34.34.64.65.04.24.54.43.9
Percentage of Revenues us-gaap:Subsidiaries4.34.24.54.54.83.84.54.94.45.34.34.14.24.34.34.64.65.04.25.04.84.2

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value10101111
Percentage of GeneralAndAdministrativeExpense100.0100.0102.6103.2
Percentage of Revenues4.14.14.74.6
Percentage of Revenues us-gaap:Subsidiaries4.14.14.74.6

us-gaap:ConsolidationItems

aiv:CorporateNonsegmentAndOtherReconcilingItemsMember



Period End2016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value119111210121010
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.099.399.999.9
Percentage of Revenues4.83.84.54.94.45.34.34.1
Percentage of Revenues aiv:CorporateNonsegmentAndOtherReconcilingItemsMember249.864.5146.2122.2112.7-96.437.131.0

us-gaap:CorporateNonSegment



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value101011111191112
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.34.24.54.54.83.84.54.9
Percentage of Revenues us-gaap:CorporateNonSegment48.1108.789.273.532.641.644.953.4

us-gaap:SegmentReportingInformationBySegment

aiv:CorporateAndOther



Period End2011-06-302010-06-30
Value1215
Percentage of GeneralAndAdministrativeExpense100.0100.0
Percentage of Revenues4.45.5
Percentage of Revenues aiv:CorporateAndOther156.1145.3

us-gaap:StatementBusinessSegments

aiv:AffordableRealEstate



Period End
Value
Percentage of GeneralAndAdministrativeExpense

aiv:ConventionalRealEstate



Period End
Value
Percentage of GeneralAndAdministrativeExpense

aiv:CorporateAndOther



Period End2012-06-302012-03-312011-06-302011-03-31
Value13111211
Percentage of GeneralAndAdministrativeExpense100.0100.0100.6100.5
Percentage of Revenues5.04.24.43.9
Percentage of Revenues aiv:CorporateAndOther150.1141.6157.0113.9

aiv:ProportionateAdjustments



Period End
Value
Percentage of GeneralAndAdministrativeExpense

us-gaap:CorporateAndOther



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value10101010111112131112
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6
Percentage of Revenues4.34.14.24.34.34.64.65.04.24.5
Percentage of Revenues us-gaap:CorporateAndOther56.186.891.6147.9142.5161.8113.7150.1141.6105.5

us-gaap:UnallocatedAmountToSegment



Period End2011-09-302010-09-30
Value1212
Percentage of GeneralAndAdministrativeExpense100.0100.0
Percentage of Revenues4.54.4
Percentage of Revenues us-gaap:UnallocatedAmountToSegment104.8116.7

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value414542394157454947495046475049484748484953525755556161626464716773967687747677
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.419.918.317.618.024.818.819.919.319.319.918.819.420.219.819.519.319.619.620.321.921.623.422.322.424.323.824.524.123.726.224.826.034.426.732.227.327.628.1

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value41454239415745494749504647
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.419.918.317.618.024.818.819.919.319.319.918.819.4
Percentage of Revenues aiv:AIMCOPropertiesLP18.419.918.317.618.024.818.819.919.319.319.918.819.4

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value47504948474848495352575555616162646471689272
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.093.196.194.7
Percentage of Revenues19.420.219.819.519.319.619.620.321.921.623.422.322.424.323.824.524.123.726.224.233.125.3
Percentage of Revenues us-gaap:Subsidiaries19.420.219.819.519.319.619.620.321.921.623.422.322.424.323.824.524.123.726.226.835.827.4

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value50464948
Percentage of InterestExpense100.0100.0100.0100.0
Percentage of Revenues19.918.819.819.5
Percentage of Revenues us-gaap:Subsidiaries19.918.819.819.5

Operating Expenses

us-gaap:OperatingExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value188193191184188165195200194237195189188189190186182180182179183178179180183177186195197205216222230233237231245239237241253
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues84.184.183.282.182.071.580.680.378.593.276.776.076.675.976.474.474.273.474.073.275.073.772.773.373.870.873.375.277.477.181.082.384.285.584.382.385.588.287.087.491.4

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value188193191184188165195200194237195189188
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues84.184.183.282.182.071.580.680.378.593.276.776.076.6
Percentage of Revenues aiv:AIMCOPropertiesLP84.184.183.282.182.071.580.680.378.593.276.776.076.6

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value188-189190186182180182179183178179180183177186195197205216222230209213212227
Percentage of OperatingExpenses100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.090.089.892.092.8
Percentage of Revenues76.6-75.976.474.474.273.474.073.275.073.772.773.373.870.873.375.277.477.181.082.384.276.975.775.779.3
Percentage of Revenues us-gaap:Subsidiaries76.6-75.976.474.474.273.474.073.275.073.772.773.373.870.873.375.277.477.181.082.384.284.583.782.186.1

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value195189190186
Percentage of OperatingExpenses100.0100.0100.0100.0
Percentage of Revenues76.776.076.474.4
Percentage of Revenues us-gaap:Subsidiaries76.776.076.474.4

us-gaap:ConsolidationItems

aiv:CorporateNonsegmentAndOtherReconcilingItemsMember



Period End2016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1021041001019993103106106
Percentage of OperatingExpenses56.057.955.356.454.452.257.959.257.7
Percentage of Revenues41.542.540.941.340.838.442.143.442.6
Percentage of Revenues aiv:CorporateNonsegmentAndOtherReconcilingItemsMember2140.7712.21338.51024.51054.4-701.5361.5327.6305.4

aiv:ProportionateAdjustments



Period End2016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value233333212
Percentage of OperatingExpenses1.62.01.91.82.01.91.41.11.3
Percentage of Revenues1.21.41.41.31.51.41.00.81.0
Percentage of Revenues aiv:ProportionateAdjustments33.038.933.634.741.332.733.026.934.4

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value120133118115119102124132123182123118116114111108115107107106
Percentage of OperatingExpenses63.968.862.162.663.361.763.665.863.776.563.362.762.060.458.458.263.259.758.859.3
Percentage of Revenues53.757.951.751.451.944.151.252.950.071.348.647.747.445.944.743.346.943.843.543.4
Percentage of Revenues us-gaap:CorporateNonSegment-4178.4730.43960366.712925.32004.8784.01161.4480.6511.9271.5527.2521.8526.51192.0875.6710.8315.8474.5437.2469.7

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value87878787800222221222
Percentage of OperatingExpenses4.33.74.34.24.34.74.33.84.4-0.00.21.21.21.11.21.21.11.21.21.2
Percentage of Revenues3.63.13.63.43.63.43.53.13.5-0.00.20.90.90.90.90.90.80.90.90.9
Percentage of Revenues us-gaap:MaterialReconcilingItems92.892.093.293.693.693.594.293.494.349.235.031.531.629.931.030.425.627.930.231.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:Acquisition



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value023222210
Percentage of OperatingExpenses0.21.31.71.61.51.51.40.90.3
Percentage of Revenues0.21.11.41.31.21.11.20.70.2
Percentage of Revenues us-gaap:OperatingSegments aiv:Acquisition45.423.131.129.128.626.326.629.533.1

us-gaap:OperatingSegments, aiv:AffordableRealEstate



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value999109991099910
Percentage of OperatingExpenses5.15.25.05.55.35.35.15.65.25.25.35.6
Percentage of Revenues3.84.03.74.13.93.93.74.23.83.83.94.1
Percentage of Revenues us-gaap:OperatingSegments aiv:AffordableRealEstate37.538.936.640.440.039.537.742.239.139.140.643.9

us-gaap:OperatingSegments, aiv:AimcoRealEstate



Period End2018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value556260615571686950686665
Percentage of OperatingExpenses33.632.230.331.923.536.536.136.826.836.235.735.7
Percentage of Revenues24.025.924.425.021.928.027.528.220.327.726.526.5
Percentage of Revenues us-gaap:OperatingSegments aiv:AimcoRealEstate26.528.228.428.929.731.031.232.029.332.732.532.3

us-gaap:OperatingSegments, aiv:ConventionalRealEstate



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value636666676268656972636264
Percentage of OperatingExpenses33.435.235.536.934.937.536.738.140.735.634.435.3
Percentage of Revenues25.426.926.427.425.627.826.828.630.025.925.226.1
Percentage of Revenues us-gaap:OperatingSegments aiv:ConventionalRealEstate30.532.932.732.531.733.532.634.632.834.134.035.3

us-gaap:OperatingSegments, aiv:OtherRealEstate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value645333333
Percentage of OperatingExpenses3.32.52.72.12.12.21.91.82.0
Percentage of Revenues2.72.12.21.71.71.61.51.51.5
Percentage of Revenues us-gaap:OperatingSegments aiv:OtherRealEstate34.536.838.542.141.039.338.539.241.2

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value467777766
Percentage of OperatingExpenses2.53.23.93.83.94.33.73.53.3
Percentage of Revenues2.12.73.23.13.23.13.02.82.6
Percentage of Revenues us-gaap:OperatingSegments aiv:RedevelopmentandDevelopment39.333.941.736.735.835.336.437.536.0

us-gaap:OperatingSegments, aiv:SameStore



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value483948474738464646
Percentage of OperatingExpenses25.820.525.225.625.022.923.923.124.1
Percentage of Revenues21.717.221.021.020.516.419.318.518.9
Percentage of Revenues us-gaap:OperatingSegments aiv:SameStore26.024.526.926.726.824.327.127.327.7

us-gaap:IncomeStatementLocation, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End
Value
Percentage of OperatingExpenses

us-gaap:IncomeStatementLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End2014-09-302014-06-302013-09-302013-06-30
Value5555
Percentage of OperatingExpenses2.93.12.82.6
Percentage of Revenues2.12.32.12.0
Percentage of Revenues aiv:OtherNonoperatingIncomeExpense aiv:NapicoPortfolio51.7100.093.674.2

us-gaap:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value5555555
Percentage of OperatingExpenses3.02.83.03.12.93.12.8
Percentage of Revenues2.22.12.22.32.12.32.1
Percentage of Revenues us-gaap:OtherNonoperatingIncomeExpense aiv:NapicoPortfolio88.278.483.784.751.7100.091.6

us-gaap:SegmentReportingInformationBySegment

aiv:AffordableRealEstate



Period End2011-06-302010-06-30
Value1313
Percentage of OperatingExpenses5.95.8
Percentage of Revenues4.85.0
Percentage of Revenues aiv:AffordableRealEstate41.444.0

aiv:ConventionalRealEstate



Period End2011-06-302010-06-30
Value7778
Percentage of OperatingExpenses33.432.4
Percentage of Revenues27.528.4
Percentage of Revenues aiv:ConventionalRealEstate37.138.6

aiv:CorporateAndOther



Period End2011-06-302010-06-30
Value126135
Percentage of OperatingExpenses54.756.0
Percentage of Revenues45.049.0
Percentage of Revenues aiv:CorporateAndOther1594.71296.1

aiv:ProportionateAdjustments



Period End2011-06-302010-06-30
Value1313
Percentage of OperatingExpenses6.05.8
Percentage of Revenues5.05.1
Percentage of Revenues aiv:ProportionateAdjustments43.444.9

us-gaap:StatementBusinessSegments

aiv:Affordable



Period End2011-09-302010-09-30
Value1313
Percentage of OperatingExpenses5.65.8
Percentage of Revenues4.85.0
Percentage of Revenues aiv:Affordable40.943.6

aiv:AffordableRealEstate



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value9910101010111112101112
Percentage of OperatingExpenses5.25.55.85.45.25.45.25.45.64.45.15.1
Percentage of Revenues3.84.04.23.93.94.24.24.44.73.74.24.3
Percentage of Revenues aiv:AffordableRealEstate39.140.643.640.639.741.639.539.442.038.840.941.4

aiv:Conventional



Period End2011-09-302010-09-30
Value7976
Percentage of OperatingExpenses33.532.2
Percentage of Revenues28.328.0
Percentage of Revenues aiv:Conventional38.638.1

aiv:ConventionalRealEstate



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value676973757777777576747376
Percentage of OperatingExpenses37.738.640.140.239.839.035.634.133.231.431.831.2
Percentage of Revenues27.428.329.629.529.930.228.828.027.926.526.126.7
Percentage of Revenues aiv:ConventionalRealEstate34.534.636.135.736.436.936.936.236.737.936.738.1

aiv:CorporateAndOther



Period End2012-06-302012-03-312011-06-302011-03-31
Value125131118127
Percentage of OperatingExpenses56.456.851.152.2
Percentage of Revenues46.447.942.144.6
Percentage of Revenues aiv:CorporateAndOther1392.91597.11491.61303.5

aiv:ProportionateAdjustments



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2234458910413910713
Percentage of OperatingExpenses1.61.41.82.62.52.63.74.14.32.05.74.04.33.05.7
Percentage of Revenues1.11.11.31.91.92.03.03.43.71.74.83.33.72.65.0
Percentage of Revenues aiv:ProportionateAdjustments34.629.636.638.736.937.941.941.938.126.644.241.645.137.944.3

us-gaap:CorporateAndOther



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value99989696102104120114122120
Percentage of OperatingExpenses55.554.452.351.952.653.055.551.253.150.6
Percentage of Revenues40.439.938.638.139.541.045.042.144.742.7
Percentage of Revenues us-gaap:CorporateAndOther524.3842.7836.21307.01310.61438.41112.01262.91492.0994.8

us-gaap:UnallocatedAmountToSegment



Period End2011-09-302010-09-30
Value130133
Percentage of OperatingExpenses55.256.3
Percentage of Revenues46.549.0
Percentage of Revenues us-gaap:UnallocatedAmountToSegment1083.81291.5

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1012111210912131112101010101111119111210121010101011111213111412121114121511
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.55.55.15.44.53.95.15.54.64.74.14.14.34.24.54.54.83.84.54.94.45.34.34.14.24.34.34.64.65.04.25.44.54.43.95.34.45.54.2

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1012111210912131112101010
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0102.6
Percentage of Revenues4.55.55.15.44.53.95.15.54.64.74.14.14.4
Percentage of Revenues aiv:AIMCOPropertiesLP4.55.55.15.44.53.95.15.54.64.74.14.14.4

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value1010111111911121012101010101111121311121211
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6100.6100.5
Percentage of Revenues4.34.24.54.54.83.84.54.94.45.34.34.14.24.34.34.64.65.04.24.54.43.9
Percentage of Revenues us-gaap:Subsidiaries4.34.24.54.54.83.84.54.94.45.34.34.14.24.34.34.64.65.04.25.04.84.2

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value10101111
Percentage of GeneralAndAdministrativeExpense100.0100.0102.6103.2
Percentage of Revenues4.14.14.74.6
Percentage of Revenues us-gaap:Subsidiaries4.14.14.74.6

us-gaap:ConsolidationItems

aiv:CorporateNonsegmentAndOtherReconcilingItemsMember



Period End2016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value119111210121010
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.099.399.999.9
Percentage of Revenues4.83.84.54.94.45.34.34.1
Percentage of Revenues aiv:CorporateNonsegmentAndOtherReconcilingItemsMember249.864.5146.2122.2112.7-96.437.131.0

us-gaap:CorporateNonSegment



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value101011111191112
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.34.24.54.54.83.84.54.9
Percentage of Revenues us-gaap:CorporateNonSegment48.1108.789.273.532.641.644.953.4

us-gaap:SegmentReportingInformationBySegment

aiv:CorporateAndOther



Period End2011-06-302010-06-30
Value1215
Percentage of GeneralAndAdministrativeExpense100.0100.0
Percentage of Revenues4.45.5
Percentage of Revenues aiv:CorporateAndOther156.1145.3

us-gaap:StatementBusinessSegments

aiv:AffordableRealEstate



Period End
Value
Percentage of GeneralAndAdministrativeExpense

aiv:ConventionalRealEstate



Period End
Value
Percentage of GeneralAndAdministrativeExpense

aiv:CorporateAndOther



Period End2012-06-302012-03-312011-06-302011-03-31
Value13111211
Percentage of GeneralAndAdministrativeExpense100.0100.0100.6100.5
Percentage of Revenues5.04.24.43.9
Percentage of Revenues aiv:CorporateAndOther150.1141.6157.0113.9

aiv:ProportionateAdjustments



Period End
Value
Percentage of GeneralAndAdministrativeExpense

us-gaap:CorporateAndOther



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value10101010111112131112
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6
Percentage of Revenues4.34.14.24.34.34.64.65.04.24.5
Percentage of Revenues us-gaap:CorporateAndOther56.186.891.6147.9142.5161.8113.7150.1141.6105.5

us-gaap:UnallocatedAmountToSegment



Period End2011-09-302010-09-30
Value1212
Percentage of GeneralAndAdministrativeExpense100.0100.0
Percentage of Revenues4.54.4
Percentage of Revenues us-gaap:UnallocatedAmountToSegment104.8116.7

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4649531759595760586463656465616367656573676457605048433944494131353423
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues19.419.721.56.823.324.023.424.123.625.625.826.626.026.825.026.327.326.726.229.226.724.822.622.919.017.715.814.515.717.714.511.813.012.68.6

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value46495317595957
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues19.419.721.56.823.324.023.4
Percentage of Revenues aiv:AIMCOPropertiesLP19.419.721.56.823.324.023.4

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value57605864636564656163676565736764576050484338414636
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.097.493.993.488.4
Percentage of Revenues23.424.123.625.625.826.626.026.825.026.327.326.726.229.226.724.822.622.919.017.715.814.214.716.612.8
Percentage of Revenues us-gaap:Subsidiaries23.424.123.625.625.826.626.026.825.026.327.326.726.229.226.724.822.622.919.017.715.815.516.317.913.9

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1759595760586463
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues6.823.324.023.424.123.625.625.8
Percentage of Revenues us-gaap:Subsidiaries6.823.324.023.424.123.625.625.8

us-gaap:ConsolidationItems

aiv:CorporateNonsegmentAndOtherReconcilingItemsMember



Period End2016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-97-89-93-91-90-106-75-74-71
Percentage of OperatingIncomeLoss-153.5-137.1-145.8-139.0-147.7-166.6-111.3-112.9-109.4
Percentage of Revenues-39.6-36.5-37.9-37.3-36.9-43.9-30.4-30.1-28.6
Percentage of Revenues aiv:CorporateNonsegmentAndOtherReconcilingItemsMember-2040.7-612.2-1238.5-924.5-954.4801.5-261.5-227.6-205.4

aiv:ProportionateAdjustments



Period End2016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value556657454
Percentage of OperatingIncomeLoss9.38.510.69.38.411.27.38.07.2
Percentage of Revenues2.42.32.82.52.12.92.02.11.9
Percentage of Revenues aiv:ProportionateAdjustments67.061.166.465.358.767.367.073.165.6

us-gaap:CorporateNonSegment



Period End2018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-113-104-99-115-100-95-94-104-98-93-78-85-82-83
Percentage of OperatingIncomeLoss-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-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:CorporateNonSegment-1061.4-380.6-411.9-171.5-427.2-421.8-426.5-1092.0-775.6-610.8-215.8-374.5-337.2-369.7

us-gaap:MaterialReconcilingItems



Period End2018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value00000445555554
Percentage of OperatingIncomeLoss1.11.11.0-0.51.38.38.68.48.67.98.98.88.27.6
Percentage of Revenues0.20.20.2-0.00.32.02.02.02.02.02.32.42.12.0
Percentage of Revenues us-gaap:MaterialReconcilingItems5.86.65.750.865.068.568.470.169.069.674.472.169.869.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:AffordableRealEstate



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value151516141414151414141413
Percentage of OperatingIncomeLoss26.626.425.323.421.823.122.922.922.721.421.320.1
Percentage of Revenues6.46.26.56.05.86.06.25.76.05.95.75.3
Percentage of Revenues us-gaap:OperatingSegments aiv:AffordableRealEstate62.561.163.459.660.060.562.357.860.960.959.456.1

us-gaap:OperatingSegments, aiv:AimcoRealEstate



Period End2018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value159153152132158150147122141138136
Percentage of OperatingIncomeLoss340.7311.1285.7766.0268.0252.5255.3204.2241.5215.1215.3
Percentage of Revenues66.061.461.651.962.360.559.849.257.055.255.6
Percentage of Revenues us-gaap:OperatingSegments aiv:AimcoRealEstate71.871.671.170.369.068.868.070.767.367.567.7

us-gaap:OperatingSegments, aiv:ConventionalRealEstate



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value143136136140135135135132148123120118
Percentage of OperatingIncomeLoss239.4232.7211.9220.8206.8212.1206.8216.3232.7182.6183.6182.3
Percentage of Revenues57.754.954.357.055.155.155.554.161.349.949.047.7
Percentage of Revenues us-gaap:OperatingSegments aiv:ConventionalRealEstate69.567.167.367.568.366.567.465.467.265.966.064.7

us-gaap:SegmentReportingInformationBySegment

aiv:AffordableRealEstate



Period End2011-06-302010-06-30
Value1917
Percentage of OperatingIncomeLoss38.651.0
Percentage of Revenues6.86.4
Percentage of Revenues aiv:AffordableRealEstate58.656.0

aiv:ConventionalRealEstate



Period End2011-06-302010-06-30
Value130124
Percentage of OperatingIncomeLoss263.0359.3
Percentage of Revenues46.645.2
Percentage of Revenues aiv:ConventionalRealEstate62.961.4

aiv:CorporateAndOther



Period End2011-06-302010-06-30
Value-118-125
Percentage of OperatingIncomeLoss-238.0-359.8
Percentage of Revenues-42.2-45.2
Percentage of Revenues aiv:CorporateAndOther-1494.7-1196.1

aiv:ProportionateAdjustments



Period End2011-06-302010-06-30
Value1817
Percentage of OperatingIncomeLoss36.449.4
Percentage of Revenues6.46.2
Percentage of Revenues aiv:ProportionateAdjustments56.655.1

us-gaap:StatementBusinessSegments

aiv:Affordable



Period End2011-09-302010-09-30
Value1917
Percentage of OperatingIncomeLoss43.850.0
Percentage of Revenues6.96.5
Percentage of Revenues aiv:Affordable59.156.4

aiv:AffordableRealEstate



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value141413141514171817161717
Percentage of OperatingIncomeLoss21.422.021.021.523.825.733.738.141.537.534.442.5
Percentage of Revenues5.95.95.55.75.95.86.46.86.55.96.16.1
Percentage of Revenues aiv:AffordableRealEstate60.959.456.459.460.358.460.560.658.061.259.158.6

aiv:Conventional



Period End2011-09-302010-09-30
Value126124
Percentage of OperatingIncomeLoss287.0349.1
Percentage of Revenues45.045.5
Percentage of Revenues aiv:Conventional61.461.9

aiv:ConventionalRealEstate



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value128131130135135131131133131121126124
Percentage of OperatingIncomeLoss190.2200.3200.3199.1210.3228.1260.1278.4305.2276.5254.3299.8
Percentage of Revenues52.053.552.553.152.351.649.349.448.143.345.143.4
Percentage of Revenues aiv:ConventionalRealEstate65.565.463.964.363.663.163.163.863.362.163.361.9

aiv:CorporateAndOther



Period End2012-06-302012-03-312011-06-302011-03-31
Value-116-122-110-118
Percentage of OperatingIncomeLoss-243.1-284.5-221.6-284.8
Percentage of Revenues-43.1-44.9-39.3-41.2
Percentage of Revenues aiv:CorporateAndOther-1292.9-1497.1-1391.6-1203.5

aiv:ProportionateAdjustments



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value565788111216121713121117
Percentage of OperatingIncomeLoss7.99.58.611.112.714.722.126.637.832.138.526.331.036.547.9
Percentage of Revenues2.22.52.33.03.23.34.24.76.04.76.04.74.54.36.2
Percentage of Revenues aiv:ProportionateAdjustments65.470.463.461.363.162.158.158.161.973.455.858.454.962.155.7

us-gaap:CorporateAndOther



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value-80-86-84-89-94-97-109-105-114-108
Percentage of OperatingIncomeLoss-119.5-131.7-129.9-131.8-146.9-168.5-215.9-218.7-264.6-245.0
Percentage of Revenues-32.7-35.2-34.0-35.1-36.5-38.1-41.0-38.8-41.7-38.4
Percentage of Revenues us-gaap:CorporateAndOther-424.3-742.7-736.2-1207.0-1210.6-1338.4-1012.0-1162.9-1392.0-894.8

us-gaap:UnallocatedAmountToSegment



Period End2011-09-302010-09-30
Value-118-123
Percentage of OperatingIncomeLoss-269.4-347.0
Percentage of Revenues-42.2-45.2
Percentage of Revenues us-gaap:UnallocatedAmountToSegment-983.8-1191.5

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value414542394157454947495046475049484748484953525755556161626464716773967687747677
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.419.918.317.618.024.818.819.919.319.319.918.819.420.219.819.519.319.619.620.321.921.623.422.322.424.323.824.524.123.726.224.826.034.426.732.227.327.628.1

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value41454239415745494749504647
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.419.918.317.618.024.818.819.919.319.319.918.819.4
Percentage of Revenues aiv:AIMCOPropertiesLP18.419.918.317.618.024.818.819.919.319.319.918.819.4

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value47504948474848495352575555616162646471689272
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.093.196.194.7
Percentage of Revenues19.420.219.819.519.319.619.620.321.921.623.422.322.424.323.824.524.123.726.224.233.125.3
Percentage of Revenues us-gaap:Subsidiaries19.420.219.819.519.319.619.620.321.921.623.422.322.424.323.824.524.123.726.226.835.827.4

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value50464948
Percentage of InterestExpense100.0100.0100.0100.0
Percentage of Revenues19.918.819.819.5
Percentage of Revenues us-gaap:Subsidiaries19.918.819.819.5

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0000000060000400-102010-17-10-2
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.10.0-0.0-0.10.10.10.02.70.10.20.20.22.00.0-0.1-0.80.10.9-0.30.70.1-0.83.0-0.6-0.4-0.9

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value00000000600
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.10.0-0.0-0.10.10.10.02.70.10.2
Percentage of Revenues aiv:AIMCOPropertiesLP0.10.10.0-0.0-0.10.10.10.02.70.10.2

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value000400-102010-17-10-2
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.20.20.22.00.0-0.1-0.80.10.9-0.30.70.1-0.83.0-0.6-0.4-0.9
Percentage of Revenues us-gaap:Subsidiaries0.20.20.22.00.0-0.1-0.80.10.9-0.30.70.1-0.83.0-0.6-0.4-0.9

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value6004
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0
Percentage of Revenues2.70.10.22.0
Percentage of Revenues us-gaap:Subsidiaries2.70.10.22.0

us-gaap:IncomeStatementLocation, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End
Value
Percentage of OtherNonoperatingIncomeExpense

us-gaap:IncomeStatementLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End2014-09-302014-06-302013-09-302013-06-30
Value-30-2-2
Percentage of OtherNonoperatingIncomeExpense-187.321.7140.0302.4
Percentage of Revenues-1.30.0-0.9-1.1
Percentage of Revenues aiv:OtherNonoperatingIncomeExpense aiv:NapicoPortfolio-32.80.7-38.5-43.2

us-gaap:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-201-1-30-1
Percentage of OtherNonoperatingIncomeExpense131.8-252.947.7232.9-187.321.7100.8
Percentage of Revenues-1.1-0.40.4-0.7-1.30.0-0.8
Percentage of Revenues us-gaap:OtherNonoperatingIncomeExpense aiv:NapicoPortfolio-42.7-13.716.7-27.8-32.80.7-35.1

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations



Period End2015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value66196089361247564620-10-37-36-39-31-41-37-41-40-38
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues27.17.824.836.615.050.530.425.82.70.9-0.0-4.0-13.9-13.4-14.4-11.3-14.9-12.9-15.3-15.0-13.8

dei:LegalEntity

us-gaap:Subsidiaries



Period End2015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value69206393381317867720-11-40-39-32-45-39
Percentage of IncomeLossFromContinuingOperations104.9104.7104.9104.9105.2105.3105.0105.6106.2105.281.8104.9106.9107.0101.1108.2106.9
Percentage of Revenues28.48.126.138.415.853.232.027.32.90.9-0.0-4.2-14.9-14.3-11.4-16.1-13.8
Percentage of Revenues us-gaap:Subsidiaries28.48.126.138.415.853.232.027.32.90.9-0.0-4.2-14.9-14.3-12.6-17.4-15.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value5141068294689327-29171512121222171815181112131298404-11-24-43-27-45-34-48-51
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.661.50.430.4127.8297.01.61.03.2-11.76.96.05.14.84.98.97.27.66.37.44.75.15.35.13.73.21.70.31.7-4.3-9.0-15.8-9.7-16.2-11.9-17.8-18.8

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5141068294689327-29171512
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.661.50.430.4127.8297.01.61.03.2-11.76.96.05.1
Percentage of Revenues aiv:AIMCOPropertiesLP2.661.50.430.4127.8297.01.61.03.2-11.76.96.05.1

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value12121222171815181112131298404-11-24-24-45-33
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.088.899.599.4
Percentage of Revenues5.14.84.98.97.27.66.37.44.75.15.35.13.73.21.70.31.7-4.3-9.0-8.6-16.1-11.8
Percentage of Revenues us-gaap:Subsidiaries5.14.84.98.97.27.66.37.44.75.15.35.13.73.21.70.31.7-4.3-9.0-9.6-17.4-12.8

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value17151222
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0
Percentage of Revenues6.96.04.98.9
Percentage of Revenues us-gaap:Subsidiaries6.96.04.98.9

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-153-9-156-86139-170477-142-79
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-2672.0-7.0-17913.2-126.747.4-24.712276.5-5630.3-993.9
Percentage of Revenues-68.3-4.3-68.1-38.560.5-73.5197.0-57.1-32.0
Percentage of Revenues us-gaap:CorporateNonSegment5314.3-54.6-5218700.0-9679.02338.5-1305.54464.7-519.5-327.9

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value000000000
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest11.10.468.40.80.20.113.120.66.4
Percentage of Revenues0.30.30.30.20.20.20.20.20.2
Percentage of Revenues us-gaap:MaterialReconcilingItems7.28.06.86.46.46.75.76.45.6

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:Acquisition



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value087776741
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest8.46.1839.710.72.41.0200.6176.613.2
Percentage of Revenues0.23.73.23.23.13.03.21.80.4
Percentage of Revenues us-gaap:OperatingSegments aiv:Acquisition54.676.968.970.971.473.773.470.566.9

us-gaap:OperatingSegments, aiv:AimcoRealEstate



Period End
Value
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:OperatingSegments, aiv:OtherRealEstate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1188555555
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest203.75.8942.87.91.90.8149.7224.568.6
Percentage of Revenues5.23.63.62.42.42.52.42.32.2
Percentage of Revenues us-gaap:OperatingSegments aiv:OtherRealEstate65.563.261.557.959.060.761.560.858.8

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value71110121313121111
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest125.88.51192.417.84.41.9324.7454.7145.1
Percentage of Revenues3.25.24.55.45.75.65.24.64.7
Percentage of Revenues us-gaap:OperatingSegments aiv:RedevelopmentandDevelopment60.766.158.363.364.264.763.662.564.0

us-gaap:OperatingSegments, aiv:SameStore



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value139122130129128118125123121
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest2422.986.314969.8189.543.717.23229.94866.11527.3
Percentage of Revenues62.053.156.957.655.851.051.849.449.2
Percentage of Revenues us-gaap:OperatingSegments aiv:SameStore74.075.573.173.373.275.772.972.772.3

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest



Period End2018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31645-122220172015292325232318191817122684094-11-24-39-26-43-30-40-46-38-36
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.12.818.3-4.98.88.17.18.46.211.79.610.39.69.87.68.07.47.34.810.73.21.60.33.41.7-4.2-8.8-14.4-9.3-15.5-10.7-15.0-17.2-13.8-13.3

aiv:DisposalGroupClassificationAxis, us-gaap:RealEstateProperties

aiv:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, aiv:WhollyAndPartiallyOwnedConsolidatedProperties



Period End2015-09-302015-06-302014-09-302014-06-302014-03-31
Value11689
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest4.64.236.849.081.4
Percentage of Revenues0.40.42.73.63.9
Percentage of Revenues aiv:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations aiv:WhollyAndPartiallyOwnedConsolidatedProperties0.00.00.00.00.0

aiv:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, aiv:WhollyOwnedAndConsolidatedProperties



Period End
Value
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, aiv:WhollyAndPartiallyOwnedConsolidatedProperties



Period End
Value
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value31645-12222017
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.12.818.3-4.98.88.17.1
Percentage of Revenues aiv:AIMCOPropertiesLP13.12.818.3-4.98.88.17.1

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value172015292325232318191817122684094-11-24-35-23-43-31
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.089.389.199.8102.9
Percentage of Revenues7.18.46.211.79.610.39.69.87.68.07.47.34.810.73.21.60.33.41.7-4.2-8.8-12.8-8.3-15.4-11.0
Percentage of Revenues us-gaap:Subsidiaries7.18.46.211.79.610.39.69.87.68.07.47.34.810.73.21.60.33.41.7-4.2-8.8-14.1-9.2-16.7-11.9

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value22201529
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0
Percentage of Revenues8.88.16.211.7
Percentage of Revenues us-gaap:Subsidiaries8.88.16.211.7

us-gaap:ConsolidationItems

aiv:CorporateNonsegmentAndOtherReconcilingItemsMember



Period End2016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-137-129-133-132-132-150-124-122-124
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-579.5-514.6-561.9-556.2-719.4-781.1-683.9-680.7-1034.5
Percentage of Revenues-55.8-52.9-54.2-54.3-54.4-62.3-50.4-49.6-50.0
Percentage of Revenues aiv:CorporateNonsegmentAndOtherReconcilingItemsMember-2874.4-886.6-1772.8-1347.5-1405.41137.0-433.1-374.1-358.8

aiv:ProportionateAdjustments



Period End2016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value556657454
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest25.022.028.525.427.837.027.029.438.9
Percentage of Revenues2.42.32.82.52.12.92.02.11.9
Percentage of Revenues aiv:ProportionateAdjustments67.061.166.465.358.767.367.073.165.6

us-gaap:CorporateNonSegment



Period End2018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-128-147-107-144-137-135-134-144-141-128-118-125-122-125
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-404.3-2122.2-237.31159.2-612.4-675.2-769.0-691.4-911.6-436.9-501.2-495.9-517.3-524.2
Percentage of Revenues-53.1-58.8-43.5-56.7-53.8-54.4-54.8-57.7-56.9-51.1-48.2-50.9-49.9-51.2
Percentage of Revenues us-gaap:CorporateNonSegment-1202.7-534.8-445.1-215.9-584.2-595.9-607.6-1501.1-1115.9-839.7-324.7-551.7-501.4-554.4

us-gaap:MaterialReconcilingItems



Period End2018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value00000445555554
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest1.67.71.10.83.424.628.524.232.417.423.822.922.220.7
Percentage of Revenues0.20.20.2-0.00.32.02.02.02.02.02.32.42.12.0
Percentage of Revenues us-gaap:MaterialReconcilingItems5.86.65.750.865.068.568.470.169.069.674.472.169.869.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:AffordableRealEstate



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value151516141414151414141413
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest76.899.755.462.656.462.163.075.975.179.578.2108.9
Percentage of Revenues6.46.26.56.05.86.06.25.76.05.95.75.3
Percentage of Revenues us-gaap:OperatingSegments aiv:AffordableRealEstate62.561.163.459.660.060.562.357.860.960.959.456.1

us-gaap:OperatingSegments, aiv:AimcoRealEstate



Period End2018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value159153152132158150147122141138136
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest502.62214.4336.1-1060.0709.0750.6840.6588.9912.9471.2577.3
Percentage of Revenues66.061.461.651.962.360.559.849.257.055.255.6
Percentage of Revenues us-gaap:OperatingSegments aiv:AimcoRealEstate71.871.671.170.369.068.868.070.767.367.567.7

us-gaap:OperatingSegments, aiv:ConventionalRealEstate



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value143136136140135135135132148123120118
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest690.4879.4464.2592.0536.2571.3567.8715.8769.0677.4673.1986.7
Percentage of Revenues57.754.954.357.055.155.155.554.161.349.949.047.7
Percentage of Revenues us-gaap:OperatingSegments aiv:ConventionalRealEstate69.567.167.367.568.366.567.465.467.265.966.064.7

us-gaap:DisposalGroupClassification, us-gaap:RealEstateProperties

aiv:DisposalGroupDisposedOfBySalePriorYear, aiv:WhollyAndPartiallyOwnedConsolidatedProperties



Period End2015-06-302015-03-31
Value04
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest2.522.2
Percentage of Revenues0.21.7
Percentage of Revenues aiv:DisposalGroupDisposedOfBySalePriorYear aiv:WhollyAndPartiallyOwnedConsolidatedProperties0.00.0

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, aiv:WhollyAndPartiallyOwnedConsolidatedProperties



Period End2016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value000000
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest0.5-0.3-0.21.71.41.5
Percentage of Revenues0.0-0.0-0.00.20.10.1
Percentage of Revenues us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations aiv:WhollyAndPartiallyOwnedConsolidatedProperties0.00.00.00.00.00.0

us-gaap:MajorPropertyClass

aiv:SoldApartmentCommunities



Period End2014-09-30
Value2
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest13.7
Percentage of Revenues1.0
Percentage of Revenues aiv:SoldApartmentCommunities0.0

us-gaap:SegmentReportingInformationBySegment

aiv:AffordableRealEstate



Period End2011-06-302010-06-30
Value1917
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-44.3-46.4
Percentage of Revenues6.86.4
Percentage of Revenues aiv:AffordableRealEstate58.656.0

aiv:ConventionalRealEstate



Period End2011-06-302010-06-30
Value130124
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-301.4-326.3
Percentage of Revenues46.645.2
Percentage of Revenues aiv:ConventionalRealEstate62.961.4

aiv:CorporateAndOther



Period End2011-06-302010-06-30
Value-211-198
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest487.4517.5
Percentage of Revenues-75.3-71.6
Percentage of Revenues aiv:CorporateAndOther-2670.8-1894.6

aiv:ProportionateAdjustments



Period End2011-06-302010-06-30
Value1817
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-41.7-44.9
Percentage of Revenues6.46.2
Percentage of Revenues aiv:ProportionateAdjustments56.655.1

us-gaap:StatementBusinessSegments

aiv:Affordable



Period End2011-09-302010-09-30
Value1917
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-73.5-37.9
Percentage of Revenues6.96.5
Percentage of Revenues aiv:Affordable59.156.4

aiv:AffordableRealEstate



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value141413141514171817161717
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest79.580.5113.5178.4367.02117.4374.6-159.8-74.0-62.9-39.4-57.6
Percentage of Revenues5.95.95.55.75.95.86.46.86.55.96.16.1
Percentage of Revenues aiv:AffordableRealEstate60.959.456.459.460.358.460.560.658.061.259.158.6

aiv:Conventional



Period End2011-09-302010-09-30
Value126124
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-481.2-264.3
Percentage of Revenues45.045.5
Percentage of Revenues aiv:Conventional61.461.9

aiv:ConventionalRealEstate



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value128131130135135131131133131121126124
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest705.6734.51084.41649.23240.818780.82887.6-1166.4-544.2-463.5-291.5-406.6
Percentage of Revenues52.053.552.553.152.351.649.349.448.143.345.143.4
Percentage of Revenues aiv:ConventionalRealEstate65.565.463.964.363.663.163.163.863.362.163.361.9

aiv:CorporateAndOther



Period End2012-06-302012-03-312011-06-302011-03-31
Value-176-190-200-186
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest1537.6785.6461.3609.7
Percentage of Revenues-65.1-69.5-71.3-65.1
Percentage of Revenues aiv:CorporateAndOther-1951.5-2318.5-2527.7-1899.8

aiv:ProportionateAdjustments



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value565788111216121713121117
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest29.334.746.792.1195.81212.0245.7-111.3-67.4-32.5-64.6-30.2-42.0-28.6-36.2
Percentage of Revenues2.22.52.33.03.23.34.24.76.04.76.04.74.54.36.2
Percentage of Revenues aiv:ProportionateAdjustments65.470.463.461.363.162.158.158.161.973.455.858.454.962.155.7

us-gaap:CorporateAndOther



Period End2014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value-129-134-137-149-155-154-155-160-176-173
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-714.3-749.7-1144.6-1819.7-3703.7-22010.1-3407.91401.5730.4660.4
Percentage of Revenues-52.6-54.6-55.4-58.6-59.7-60.5-58.2-59.3-64.6-61.7
Percentage of Revenues us-gaap:CorporateAndOther-683.7-1152.7-1198.2-2012.5-1981.2-2123.0-1438.5-1778.8-2155.1-1438.7

us-gaap:UnallocatedAmountToSegment



Period End2011-09-302010-09-30
Value-189-206
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest719.3438.4
Percentage of Revenues-67.3-75.4
Percentage of Revenues us-gaap:UnallocatedAmountToSegment-1566.9-1988.5

Income Loss From Continuing Operations Attributable To Noncontrolling Entity

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity



Period End2015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value51410616716010030-12-7-117-17-19-10
Percentage of IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.30.72.04.52.66.73.16.70.20.4-0.00.31.40.1-4.7-2.8-4.02.5-6.5-7.2-3.7

dei:LegalEntity

us-gaap:Subsidiaries



Period End2015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value000428211-10-1040-6-96
Percentage of IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity12.1-42.62.343.742.650.629.468.6-425.1-67.91606.5-47.8125.7-356.680.683.884.7
Percentage of Revenues0.3-0.30.01.91.13.40.94.6-0.6-0.3-0.7-0.11.8-0.3-2.3-3.42.1
Percentage of Revenues us-gaap:Subsidiaries0.3-0.30.01.91.13.40.94.6-0.6-0.3-0.7-0.11.8-0.3-2.5-3.72.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3-1-3-1256-27-4-37-17-4-5-4-8-3-7-5-6-8-5-6-6-5-5-2000000-1-1-2-2-7-4-3-3
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.4-0.5-1.3-0.81.324.4-11.5-1.8-15.1-6.8-1.9-2.0-2.0-3.5-1.4-2.8-2.4-2.6-3.4-2.4-2.8-2.9-2.0-2.2-1.1-0.00.00.0-0.0-0.1-0.2-0.5-0.4-0.8-0.9-2.7-1.6-1.2-1.3

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-3-1-3-1256-27-4-37-17-4-5-4
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-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:AIMCOPropertiesLP-1.4-0.5-1.3-0.81.324.4-11.5-1.8-15.1-6.8-1.9-2.0-2.0

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value-4-8-3-7-5-6-8-5-6-6-5-5-20000000-1-2
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.080.582.495.4
Percentage of Revenues-2.0-3.5-1.4-2.8-2.4-2.6-3.4-2.4-2.8-2.9-2.0-2.2-1.1-0.00.00.0-0.0-0.1-0.2-0.3-0.7-0.8
Percentage of Revenues us-gaap:Subsidiaries-2.0-3.5-1.4-2.8-2.4-2.6-3.4-2.4-2.8-2.9-2.0-2.2-1.1-0.00.00.0-0.0-0.1-0.2-0.4-0.7-0.9

us-gaap:BusinessAcquisition

aiv:OneThousandOneBrickellBayDrive



Period End2019-09-30
Value-1
Percentage of IncomeTaxExpenseBenefit54.9
Percentage of Revenues-0.7
Percentage of Revenues aiv:OneThousandOneBrickellBayDrive0.0

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value-4-5-3-7
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0
Percentage of Revenues-1.9-2.0-1.4-2.8
Percentage of Revenues us-gaap:Subsidiaries-1.9-2.0-1.4-2.8

us-gaap:IncomeStatementLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End2014-09-302014-06-302013-09-302013-06-30
Value0000
Percentage of IncomeTaxExpenseBenefit2.04.510.47.8
Percentage of Revenues-0.0-0.1-0.00.0
Percentage of Revenues aiv:OtherNonoperatingIncomeExpense aiv:NapicoPortfolio-1.0-4.2-0.10.1

us-gaap:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End
Value
Percentage of IncomeTaxExpenseBenefit

us-gaap:PropertyPlantAndEquipmentByType

aiv:NapicoPortfolio



Period End
Value
Percentage of IncomeTaxExpenseBenefit

us-gaap:Restatement

srt:RestatementAdjustment



Period End2018-09-302018-06-302018-03-31
Value5402
Percentage of IncomeTaxExpenseBenefit-193.8-2.0-7.7
Percentage of Revenues22.30.01.2
Percentage of Revenues srt:RestatementAdjustment0.00.00.0

srt:ScenarioPreviouslyReported



Period End2018-09-302018-06-302018-03-31
Value-27-4-37
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0
Percentage of Revenues-11.5-1.8-15.1
Percentage of Revenues srt:ScenarioPreviouslyReported0.00.00.0

us-gaap:Restatement, us-gaap:AdjustmentsForChangeInAccountingPrinciple

srt:RestatementAdjustment, aiv:SECRuleChangeChangeInPresentationOfGainsLossesOnTheSaleOfRealEstate



Period End
Value
Percentage of IncomeTaxExpenseBenefit

srt:ScenarioPreviouslyReported, aiv:SECRuleChangeChangeInPresentationOfGainsLossesOnTheSaleOfRealEstate



Period End
Value
Percentage of IncomeTaxExpenseBenefit

us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value011000
Percentage of IncomeTaxExpenseBenefit1.3-17.3-14.72.04.52.5
Percentage of Revenues-0.00.40.4-0.0-0.1-0.0
Percentage of Revenues aiv:NapicoPortfolio0.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value814236929196037952862221171773024529752368104451448481148796297533410-84-26-27-34-28-10-16
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.062.11.731.2126.54.2249.12.938.6112.18.78.77.071.112.197.912.130.79.628.142.618.858.534.332.859.231.22.71.136.619.912.63.9-3.11.7-9.6-9.5-12.6-10.4-3.7-6.1

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value81423692919603795286222117
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.062.11.731.2126.54.2249.12.938.6112.18.78.77.0
Percentage of Revenues aiv:AIMCOPropertiesLP4.062.11.731.2126.54.2249.12.938.6112.18.78.77.0

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value171773024529752368104451448481148796297533410-85-26-27
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.5117.799.299.2
Percentage of Revenues7.071.112.197.912.130.79.628.142.618.858.534.332.859.231.22.71.136.619.912.63.9-3.11.9-9.5-9.4
Percentage of Revenues us-gaap:Subsidiaries7.071.112.197.912.130.79.628.142.618.858.534.332.859.231.22.71.136.619.912.63.9-3.42.2-10.3-10.3

us-gaap:ConsolidatedEntities

srt:Subsidiaries



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1423692919603795286222117
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues62.11.731.2126.54.2249.12.938.6112.18.78.77.0
Percentage of Revenues srt:Subsidiaries62.11.731.2126.54.2249.12.938.6112.18.78.77.0

us-gaap:Subsidiaries



Period End2017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2862221171773024529
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues112.18.78.77.071.112.197.912.1
Percentage of Revenues us-gaap:Subsidiaries112.18.78.77.071.112.197.912.1

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value613316427475714832662019121651522431702263923812776656611438204-8-22-19
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.057.90.728.8119.13.2235.71.933.8104.38.17.75.166.56.389.212.928.69.125.938.015.851.831.026.126.04.31.914.57.61.7-3.1-8.0-6.7

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value81423692919603689280232115
Percentage of ComprehensiveIncomeNetOfTax133.5106.9226.5108.5106.2130.7105.6143.7106.8105.4113.6114.6119.5
Percentage of Revenues4.061.91.631.2126.54.1249.02.736.1109.99.28.86.1
Percentage of Revenues aiv:AIMCOPropertiesLP4.061.91.631.2126.54.1249.02.736.1109.99.28.86.1

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value151751723634752568984113581707113641225-7-23-19
Percentage of ComprehensiveIncomeNetOfTax119.5106.0113.0105.7110.0107.2111.8107.4106.6109.2106.4106.9108.0108.1119.5138.6108.3107.4124.789.1102.7102.6
Percentage of Revenues6.170.47.294.314.230.710.227.840.517.355.133.128.228.15.22.615.78.22.1-2.7-8.2-6.9
Percentage of Revenues us-gaap:Subsidiaries6.170.47.294.314.230.710.227.840.517.355.133.128.228.15.22.615.78.22.1-3.0-8.9-7.5

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value232117236
Percentage of ComprehensiveIncomeNetOfTax113.6114.6113.0105.7
Percentage of Revenues9.28.87.294.3
Percentage of Revenues us-gaap:Subsidiaries9.28.87.294.3

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value2915172342112123313142145141061671612-3-3141185-3-7
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.04.00.92.57.51.014.00.84.88.61.01.51.45.35.98.61.72.40.82.04.42.56.73.16.74.8-1.5-1.25.44.13.21.9-1.3-2.8

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0000001067001
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest0.80.9-2.91.30.57.25.32.152.234.6-9.723.629.2
Percentage of Revenues0.00.0-0.00.00.00.10.70.02.53.0-0.10.30.4
Percentage of Revenues aiv:AIMCOPropertiesLP0.00.0-0.00.00.00.10.70.02.53.0-0.10.30.4

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value1312800004282116-5-411975-2-7
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest29.224.686.040.523.413.5-40.83.243.843.150.929.768.656.0158.3160.477.886.287.297.977.891.1
Percentage of Revenues0.41.35.13.50.40.3-0.30.11.91.13.40.94.62.7-2.3-1.94.23.52.81.8-1.0-2.5
Percentage of Revenues us-gaap:Subsidiaries0.41.35.13.50.40.3-0.30.11.91.13.40.94.62.7-2.3-1.94.23.52.82.0-1.1-2.8

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value00128
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest-9.723.686.040.5
Percentage of Revenues-0.10.35.13.5
Percentage of Revenues us-gaap:Subsidiaries-0.10.35.13.5

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value8142370291960569528723221617830245357624681034414483817871533113-120326-27-1493012
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.061.91.631.2126.54.2249.82.738.6112.89.19.16.571.712.297.814.531.09.927.942.418.458.534.032.830.72.90.719.911.74.9-44.21.29.4-9.5-55.311.14.3

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value81423702919605695287232216
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.061.91.631.2126.54.2249.82.738.6112.89.19.16.5
Percentage of Revenues aiv:AIMCOPropertiesLP4.061.91.631.2126.54.2249.82.738.6112.89.19.16.5

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value1617830245357624681034414483817871533113-2-26-27
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-76.0-99.199.2
Percentage of Revenues6.571.712.297.814.531.09.927.942.418.458.534.032.830.72.90.719.911.74.9-0.9-9.3-9.4
Percentage of Revenues us-gaap:Subsidiaries6.571.712.297.814.531.09.927.942.418.458.534.032.830.72.90.719.911.74.9-1.0-10.0-10.2

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value232230245
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0
Percentage of Revenues9.19.112.297.8
Percentage of Revenues us-gaap:Subsidiaries9.19.112.297.8

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value613316427475695832641918131641522426692163933912877646710538221-12-1-23-19-21-14-7-27
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.058.00.928.8119.13.2235.12.033.8103.67.77.25.665.96.289.310.628.38.926.138.216.251.931.326.126.44.22.314.58.40.7-4.7-0.5-8.3-6.7-7.9-5.5-2.8-9.9

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value81424692919602789278222016
Percentage of NetIncomeLoss133.3106.9203.5108.5106.2130.5105.6141.2106.8105.4114.0115.1118.3
Percentage of Revenues4.062.01.831.2126.54.2248.32.836.1109.28.88.36.6
Percentage of Revenues aiv:AIMCOPropertiesLP4.062.01.831.2126.54.2248.32.836.1109.28.88.36.6

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value1617417237287424689942136827072137422420-23-19
Percentage of NetIncomeLoss118.3106.0113.1105.7111.1107.2112.0107.4106.6109.1106.4106.9108.0108.0119.9132.3108.3107.3147.9-1.2102.2102.6
Percentage of Revenues6.669.87.094.511.830.410.028.040.717.755.233.428.228.55.13.115.79.01.10.0-8.5-6.9
Percentage of Revenues us-gaap:Subsidiaries6.669.87.094.511.830.410.028.040.717.755.233.428.228.55.13.115.79.01.10.0-9.2-7.5

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value222017237
Percentage of NetIncomeLoss114.0115.1113.1105.7
Percentage of Revenues8.88.37.094.5
Percentage of Revenues us-gaap:Subsidiaries8.88.37.094.5

us-gaap:PropertyPlantAndEquipmentByType

aiv:NapicoPortfolio



Period End
Value
Percentage of NetIncomeLoss

us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value011000
Percentage of NetIncomeLoss1.72.51.6-0.1-0.6-0.8
Percentage of Revenues0.20.70.6-0.1-0.2-0.2
Percentage of Revenues aiv:NapicoPortfolio0.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value613325927155672812621715111621122123661960893612475641226610567240-10-23-14-33-31-38-28-17-40
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.058.00.926.4118.02.3233.81.132.9102.76.86.44.764.94.588.19.427.17.824.836.615.050.530.425.848.626.03.92.025.59.00.2-3.9-8.6-5.3-11.8-11.1-14.2-10.4-6.5-14.6

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value71402622865597285274181612
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic105.5105.4106.7106.0105.5106.2105.3104.7104.6104.7104.7104.9104.8
Percentage of Revenues3.161.10.928.0124.52.4246.21.234.4107.57.26.74.9
Percentage of Revenues aiv:AIMCOPropertiesLP3.161.10.928.0124.52.4246.21.234.4107.57.26.74.9

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value121691123224692063933813178671297010572250-11-25-15-35-33
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic104.8104.9101.7105.0105.0104.9104.7104.9104.9105.2105.3105.0105.6105.7105.7105.7105.9106.3106.7110.5106.9106.9101.4106.6106.8
Percentage of Revenues4.968.14.692.69.928.48.126.138.415.853.232.027.351.427.54.12.127.19.60.2-4.1-9.2-5.3-12.6-11.8
Percentage of Revenues us-gaap:Subsidiaries4.968.14.692.69.928.48.126.138.415.853.232.027.351.427.54.12.127.19.60.2-4.1-10.1-5.9-13.6-12.9

us-gaap:ConsolidatedEntities

srt:Subsidiaries



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1402622865597285274181612
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic105.4106.7106.0105.5106.2105.3104.7104.6104.7104.7104.9104.8
Percentage of Revenues61.10.928.0124.52.4246.21.234.4107.57.26.74.9
Percentage of Revenues srt:Subsidiaries61.10.928.0124.52.4246.21.234.4107.57.26.74.9

us-gaap:Subsidiaries



Period End2017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2741816121691123224
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic104.7104.7104.9104.8104.9101.7105.0105.0
Percentage of Revenues107.57.26.74.968.14.692.69.9
Percentage of Revenues us-gaap:Subsidiaries107.57.26.74.968.14.692.69.9

us-gaap:IncomeStatementLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End2014-09-302014-06-302013-09-302013-06-30
Value0000
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-0.1-0.6-0.13.5
Percentage of Revenues-0.1-0.2-0.00.1
Percentage of Revenues aiv:OtherNonoperatingIncomeExpense aiv:NapicoPortfolio-1.4-7.6-1.65.1

us-gaap:OtherNonoperatingIncomeExpense, aiv:NapicoPortfolio



Period End
Value
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2915172332112123312142135141061671612-3-31411846-3-8-12-13-210
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.04.00.92.57.51.014.00.84.88.51.01.41.45.25.88.61.62.30.72.04.52.66.73.16.74.8-1.5-1.25.44.23.21.62.2-1.3-2.8-4.7-5.0-0.83.9

dei:LegalEntity

us-gaap:Subsidiaries



Period End2015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value00482116-6-4119-75-27
Percentage of NetIncomeLossAttributableToNoncontrollingInterest-42.62.343.750.629.468.655.6155.0162.277.985.3-89.389.678.7-91.1
Percentage of Revenues-0.30.01.93.40.94.62.7-2.4-1.94.23.6-2.81.9-1.02.5
Percentage of Revenues us-gaap:Subsidiaries-0.30.01.93.40.94.62.7-2.4-1.94.23.6-2.82.1-1.12.8

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value704868286539624062836190618565446255607961696199618762326293627461426144621761576215609759376078608360796489647063706401656569476823687170427164726173787906
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value70486828653962406283619061856544625560796232
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets aiv:AIMCOPropertiesLP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value6187623262936274614261446217615762156097593760786083607964896470637064016565694768236871
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets us-gaap:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OtherAssets, aiv:NapicoPortfolio



Period End2015-12-312014-12-31
Value156161
Percentage of Assets2.52.6
Percentage of Assets2.52.6
Percentage of Assets us-gaap:OtherAssets aiv:NapicoPortfolio100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

us-gaap:OtherAssets, aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value158165168161159161163
Percentage of Assets2.52.72.72.62.72.72.7
Percentage of Assets2.52.72.72.62.72.72.7
Percentage of Assets us-gaap:OtherAssets aiv:NapicoPortfolio100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-12-31
Value616961996232
Percentage of Assets100.0100.0100.0
Percentage of Assets100.0100.0100.0
Percentage of Assets us-gaap:Subsidiaries100.0100.0100.0

us-gaap:ConsolidationItems

aiv:CorporateNonsegmentAndOtherReconcilingItemsMember



Period End2015-12-312014-12-312013-12-31
Value440434475
Percentage of Assets7.27.17.8
Percentage of Assets7.27.17.8
Percentage of Assets aiv:CorporateNonsegmentAndOtherReconcilingItemsMember100.0100.0100.0

aiv:ProportionateAdjustments



Period End2015-12-312014-12-312013-12-31
Value17565253
Percentage of Assets2.81.14.2
Percentage of Assets2.81.14.2
Percentage of Assets aiv:ProportionateAdjustments100.0100.0100.0

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value837629279323440340323691603583575615627285362628501
Percentage of Assets11.99.24.35.27.05.55.210.69.69.69.39.910.14.65.810.08.2
Percentage of Assets11.99.24.35.27.05.55.210.69.69.69.39.910.14.65.810.08.2
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems



Period End2016-12-312016-09-302016-06-302015-12-31
Value172172169174
Percentage of Assets2.82.72.72.8
Percentage of Assets2.82.72.72.8
Percentage of Assets us-gaap:MaterialReconcilingItems100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:Acquisition



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value102623633627546507
Percentage of Assets1.59.19.710.08.78.2
Percentage of Assets1.59.19.710.08.78.2
Percentage of Assets us-gaap:OperatingSegments aiv:Acquisition100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:AffordableRealEstate



Period End2016-12-312016-09-302016-06-302015-12-312014-12-312013-12-31
Value399394400421480535
Percentage of Assets6.46.36.46.97.98.8
Percentage of Assets6.46.36.46.97.98.8
Percentage of Assets us-gaap:OperatingSegments aiv:AffordableRealEstate100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:AimcoRealEstate



Period End2018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value584958615853565254955593558355595545
Percentage of Assets94.594.889.490.490.490.790.189.989.0
Percentage of Assets94.594.889.490.490.490.790.189.989.0
Percentage of Assets us-gaap:OperatingSegments aiv:AimcoRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:ConventionalRealEstate



Period End2016-12-312016-09-302016-06-302015-12-312014-12-312013-12-31
Value537453655075510751164815
Percentage of Assets86.285.280.983.183.979.2
Percentage of Assets86.285.280.983.183.979.2
Percentage of Assets us-gaap:OperatingSegments aiv:ConventionalRealEstate100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:OtherRealEstate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value733647643327326327
Percentage of Assets10.49.59.85.25.25.3
Percentage of Assets10.49.59.85.25.25.3
Percentage of Assets us-gaap:OperatingSegments aiv:OtherRealEstate100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value731946899852822792
Percentage of Assets10.413.913.813.713.112.8
Percentage of Assets10.413.913.813.713.112.8
Percentage of Assets us-gaap:OperatingSegments aiv:RedevelopmentandDevelopment100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, aiv:SameStore



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value464339824083411041484148
Percentage of Assets65.958.362.465.966.067.0
Percentage of Assets65.958.362.465.966.067.0
Percentage of Assets us-gaap:OperatingSegments aiv:SameStore100.0100.0100.0100.0100.0100.0

us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

aiv:NapicoPortfolio



Period End2016-12-312016-09-302016-06-30
Value343635
Percentage of Assets0.60.60.6
Percentage of Assets0.60.60.6
Percentage of Assets aiv:NapicoPortfolio100.0100.0100.0

us-gaap:StatementBusinessSegments

aiv:AffordableRealEstate



Period End2013-12-312012-12-312011-12-312010-12-31
Value382466683886
Percentage of Assets6.37.39.912.0
Percentage of Assets6.37.39.912.0
Percentage of Assets aiv:AffordableRealEstate100.0100.0100.0100.0

aiv:ConventionalRealEstate



Period End2013-12-312012-12-312011-12-312010-12-31
Value4793483750315492
Percentage of Assets78.875.673.274.4
Percentage of Assets78.875.673.274.4
Percentage of Assets aiv:ConventionalRealEstate100.0100.0100.0100.0

aiv:CorporateAndOther



Period End2011-12-312010-12-31
Value511444
Percentage of Assets7.46.0
Percentage of Assets7.46.0
Percentage of Assets aiv:CorporateAndOther100.0100.0

aiv:ProportionateAdjustments



Period End2013-12-312012-12-312011-12-312010-12-31
Value428634645555
Percentage of Assets7.09.99.47.5
Percentage of Assets7.09.99.47.5
Percentage of Assets aiv:ProportionateAdjustments100.0100.0100.0100.0

us-gaap:CorporateAndOther



Period End2013-12-312012-12-312011-12-31
Value475462511
Percentage of Assets7.87.27.4
Percentage of Assets7.87.27.4
Percentage of Assets us-gaap:CorporateAndOther100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value515148664651429642224325388947884491432146324619424941844363426943204292438042514292456644144649482248265314532751815166538254975659564357485830588159686255
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets73.171.371.168.867.269.962.973.271.871.175.174.568.767.169.368.070.369.970.569.069.174.974.476.579.379.481.982.381.380.782.079.182.982.181.681.481.080.979.1

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value51514866465142964222432538894788449143214184
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets73.171.371.168.867.269.962.973.271.871.167.1
Percentage of Assets aiv:AIMCOPropertiesLP73.171.371.168.867.269.962.973.271.871.167.1

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value4249418443634269432042924380425142924566441446494822482653145327518151665382549756595643
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets68.767.169.368.070.369.970.569.069.174.974.476.579.379.481.982.381.380.782.079.182.982.1
Percentage of Assets us-gaap:Subsidiaries68.767.169.368.070.369.970.569.069.174.974.476.579.379.481.982.381.380.782.079.182.982.1

us-gaap:BalanceSheetLocation, us-gaap:PropertyPlantAndEquipmentByType

aiv:Accruedliabilitiesandother, aiv:NapicoPortfolio



Period End2015-12-312014-12-31
Value155118
Percentage of Liabilities3.62.6
Percentage of Assets2.51.9
Percentage of Assets aiv:Accruedliabilitiesandother aiv:NapicoPortfolio0.00.0

us-gaap:BalanceSheetLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:Accruedliabilitiesandother, aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value153121123118112115125
Percentage of Liabilities3.52.92.92.62.62.52.6
Percentage of Assets2.52.02.01.91.91.92.1
Percentage of Assets aiv:Accruedliabilitiesandother aiv:NapicoPortfolio0.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-12-31
Value463246194184
Percentage of Liabilities100.0100.0100.0
Percentage of Assets75.174.567.1
Percentage of Assets us-gaap:Subsidiaries75.174.567.1

us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

aiv:NapicoPortfolio



Period End2016-12-312016-09-302016-06-30
Value394142
Percentage of Liabilities0.91.01.0
Percentage of Assets0.60.70.7
Percentage of Assets aiv:NapicoPortfolio113.7114.2117.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value704868286539624062836190618565446255607961696199618762326293627461426144621761576215609759376078608360796489647063706401656569476823687170427164726173787906
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:LegallySoldPortfolio

aiv:LegallySoldPortfolioNotDerecognizedForAccountingPurposes



Period End2014-03-312013-12-312012-12-31
Value162163176
Percentage of LiabilitiesAndStockholdersEquity2.72.72.8
Percentage of Assets2.72.72.8
Percentage of Assets aiv:LegallySoldPortfolioNotDerecognizedForAccountingPurposes0.00.00.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value70486828653962406283619061856544625560796232
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets aiv:AIMCOPropertiesLP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value6187623262936274614261446217615762156097593760786083607964896470637064016565694768236871
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets us-gaap:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-12-31
Value616961996232
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0
Percentage of Assets100.0100.0100.0
Percentage of Assets us-gaap:Subsidiaries100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentByType

aiv:NapicoPortfolio



Period End2015-12-312014-12-31
Value156161
Percentage of LiabilitiesAndStockholdersEquity2.52.6
Percentage of Assets2.52.6
Percentage of Assets aiv:NapicoPortfolio0.00.0

us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value158165168161159161163
Percentage of LiabilitiesAndStockholdersEquity2.52.72.72.62.72.72.7
Percentage of Assets2.52.72.72.62.72.72.7
Percentage of Assets aiv:NapicoPortfolio0.00.00.00.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1717178017051763188316992125161416701663145414941688179316821771160316221601162816151227122811409839678828518889158751147862908951979101410461239
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.426.126.128.330.027.534.424.726.727.423.624.127.328.826.728.226.126.425.826.526.020.120.718.816.215.913.613.213.914.313.316.512.613.213.513.714.014.215.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value34014258331623676556365614755645045461642829333855674649841023128391758581111145787781299210
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.82.10.90.52.60.61.30.91.01.11.00.80.91.00.80.70.82.60.50.50.60.60.91.00.70.81.31.64.51.21.31.11.21.11.50.00.00.01.00.00.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value34014258331623676615028
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.82.10.90.52.60.61.31.00.80.5
Percentage of Assets aiv:AIMCOPropertiesLP4.82.10.90.52.60.61.31.00.00.0

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6561475564504546164282933385567464984102312839175858111181
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.00.80.91.00.80.70.82.60.50.50.60.60.91.00.70.81.31.64.51.21.31.11.21.11.51.0
Percentage of Assets us-gaap:Subsidiaries1.11.00.80.91.00.80.70.82.60.50.50.60.60.91.00.70.81.31.64.51.21.30.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2011-09-302010-12-31
Value4234
Percentage of CashAndCashEquivalentsAtCarryingValue56.231.3
Percentage of Assets0.60.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.0

dei:LegalEntity, us-gaap:MajorPropertyClass, us-gaap:Subsegments

aiv:AIMCOPropertiesLP, us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, aiv:AssetManagement



Period End2018-06-302017-12-31
Value2016
Percentage of CashAndCashEquivalentsAtCarryingValue0.021.2
Percentage of Assets0.30.3
Percentage of Assets aiv:AIMCOPropertiesLP us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations aiv:AssetManagement0.00.0

dei:LegalEntity, us-gaap:StatementBusinessSegments

aiv:AIMCOPropertiesLP, aiv:AimcoRealEstate



Period End2018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value365846516045
Percentage of CashAndCashEquivalentsAtCarryingValue100.00.00.00.078.874.8
Percentage of Assets0.60.90.70.81.00.7
Percentage of Assets aiv:AIMCOPropertiesLP aiv:AimcoRealEstate0.00.00.00.00.00.0

us-gaap:Subsidiaries, aiv:AimcoRealEstate



Period End2017-03-312016-12-31
Value4545
Percentage of CashAndCashEquivalentsAtCarryingValue70.574.8
Percentage of Assets0.70.7
Percentage of Assets us-gaap:Subsidiaries aiv:AimcoRealEstate0.00.0

dei:LegalEntity, us-gaap:Subsegments

aiv:AIMCOPropertiesLP, aiv:AssetManagement



Period End2018-12-312018-09-302018-03-312017-12-312016-12-31
Value00181615
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.00.021.225.2
Percentage of Assets0.00.00.30.30.2
Percentage of Assets aiv:AIMCOPropertiesLP aiv:AssetManagement0.00.00.00.00.0

us-gaap:Subsidiaries, aiv:AssetManagement



Period End2017-03-312016-12-31
Value1915
Percentage of CashAndCashEquivalentsAtCarryingValue29.525.2
Percentage of Assets0.30.2
Percentage of Assets us-gaap:Subsidiaries aiv:AssetManagement0.00.0

dei:LegalEntity, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:Subsidiaries, us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value19191817141722242023
Percentage of CashAndCashEquivalentsAtCarryingValue44.141.711.059.150.152.059.743.230.628.0
Percentage of Assets0.30.30.30.30.20.30.40.40.30.4
Percentage of Assets us-gaap:Subsidiaries us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.00.00.00.0

us-gaap:Subsidiaries, us-gaap:VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosure



Period End2015-12-312014-12-312013-12-31
Value181724
Percentage of CashAndCashEquivalentsAtCarryingValue37.159.143.2
Percentage of Assets0.30.30.4
Percentage of Assets us-gaap:Subsidiaries us-gaap:VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosure0.00.00.0

us-gaap:BalanceSheetLocation, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OtherAssets, aiv:NapicoPortfolio



Period End2015-12-312014-12-31
Value3323
Percentage of CashAndCashEquivalentsAtCarryingValue66.479.8
Percentage of Assets0.50.4
Percentage of Assets us-gaap:OtherAssets aiv:NapicoPortfolio21.614.4

us-gaap:BalanceSheetLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

us-gaap:OtherAssets, aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value33313123212422
Percentage of CashAndCashEquivalentsAtCarryingValue74.566.519.379.873.573.640.5
Percentage of Assets0.50.50.50.40.40.40.4
Percentage of Assets us-gaap:OtherAssets aiv:NapicoPortfolio21.318.918.814.413.415.413.8

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-12-312016-09-302016-06-302015-12-31
Value556361475550
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.01.00.80.90.8
Percentage of Assets us-gaap:Subsidiaries0.91.01.00.00.00.0

us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments

us-gaap:Subsidiaries, aiv:AimcoRealEstate



Period End2017-09-302017-06-302016-12-31
Value384445
Percentage of CashAndCashEquivalentsAtCarryingValue69.670.474.8
Percentage of Assets0.60.70.7
Percentage of Assets us-gaap:Subsidiaries aiv:AimcoRealEstate0.00.00.0

us-gaap:ConsolidatedEntities, us-gaap:Subsegments

us-gaap:Subsidiaries, aiv:AssetManagement



Period End2017-09-302017-06-302016-12-31
Value161815
Percentage of CashAndCashEquivalentsAtCarryingValue30.429.625.2
Percentage of Assets0.30.30.2
Percentage of Assets us-gaap:Subsidiaries aiv:AssetManagement0.00.00.0

us-gaap:MajorPropertyClass, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, aiv:AssetManagement, us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2018-06-302017-12-31
Value1415
Percentage of CashAndCashEquivalentsAtCarryingValue0.020.7
Percentage of Assets0.20.3
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations aiv:AssetManagement us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.0

us-gaap:MajorPropertyClass, us-gaap:Subsegments

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, aiv:AssetManagement



Period End2018-06-302017-12-31
Value2016
Percentage of CashAndCashEquivalentsAtCarryingValue0.021.2
Percentage of Assets0.30.3
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations aiv:AssetManagement0.00.0

us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MajorPropertyClass, us-gaap:VariableInterestEntitiesByClassificationOfEntity

aiv:AssetManagement, us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2018-12-312018-09-302017-12-31
Value0015
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.020.7
Percentage of Assets0.00.00.3
Percentage of Assets aiv:AssetManagement us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.0

us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:VariableInterestEntitiesByClassificationOfEntity

aiv:AimcoRealEstate, us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value151313171614151715
Percentage of CashAndCashEquivalentsAtCarryingValue41.80.00.00.021.025.423.927.625.9
Percentage of Assets0.20.20.20.30.30.20.20.30.3
Percentage of Assets aiv:AimcoRealEstate us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.00.00.0

aiv:AssetManagement, us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value151515171714
Percentage of CashAndCashEquivalentsAtCarryingValue0.020.727.727.227.024.4
Percentage of Assets0.20.30.30.30.30.2
Percentage of Assets aiv:AssetManagement us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.0

us-gaap:StatementBusinessSegments

aiv:AimcoRealEstate



Period End2018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value365846516038444545
Percentage of CashAndCashEquivalentsAtCarryingValue100.00.00.00.078.869.670.470.574.8
Percentage of Assets0.60.90.70.81.00.60.70.70.7
Percentage of Assets aiv:AimcoRealEstate0.00.00.00.00.00.00.00.00.0

us-gaap:Subsegments

aiv:AssetManagement



Period End2018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value00181616181915
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.00.021.230.429.629.525.2
Percentage of Assets0.00.00.30.30.30.30.30.2
Percentage of Assets aiv:AssetManagement0.00.00.00.00.00.00.00.0

us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2019-09-302019-06-302019-03-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value571715302632342819191817141722242023
Percentage of CashAndCashEquivalentsAtCarryingValue9.522.410.841.850.355.359.353.155.444.142.611.059.150.152.059.743.230.628.0
Percentage of Assets0.10.10.30.20.50.40.50.60.50.30.30.30.30.20.30.40.40.30.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosure



Period End2015-12-312014-12-312013-12-31
Value181724
Percentage of CashAndCashEquivalentsAtCarryingValue37.159.143.2
Percentage of Assets0.30.30.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosure0.00.00.0

Prepaid Expense And Other Assets Current

us-gaap:StatementBusinessSegments

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

aiv:AimcoRealEstate



Period End2018-12-312017-12-312016-12-31
Value453826
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0
Percentage of Assets0.70.60.4
Percentage of Assets aiv:AimcoRealEstate0.00.00.0

Land

us-gaap:Land



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value18691869188717411731175618581925184718611861187818811883188517711811186718811937195219401943200620602060205320972107212821392121
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.527.428.927.927.628.429.830.629.430.330.330.230.630.330.929.829.830.730.929.930.230.530.430.629.730.229.929.829.429.329.026.8

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value186918691887174117311756
Percentage of Land100.0100.0100.0100.0100.0100.0
Percentage of Assets26.527.428.927.927.628.4
Percentage of Assets aiv:AIMCOPropertiesLP26.527.428.927.927.628.4

us-gaap:Subsidiaries



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value185819251847186118611878188118831885177118111867188119371952194019432006206020602043
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.5
Percentage of Assets29.830.629.430.330.330.230.630.330.929.829.830.730.929.930.230.530.430.629.730.229.7
Percentage of Assets us-gaap:Subsidiaries29.830.629.430.330.330.230.630.330.929.829.830.730.929.930.230.530.430.629.730.229.7

dei:LegalEntity, us-gaap:StatementBusinessSegments

aiv:AIMCOPropertiesLP, aiv:AimcoRealEstate



Period End2018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value175617651763176117531824
Percentage of Land100.00.00.00.00.098.2
Percentage of Assets28.428.527.028.228.829.3
Percentage of Assets aiv:AIMCOPropertiesLP aiv:AimcoRealEstate0.00.00.00.00.00.0

us-gaap:Subsidiaries, aiv:AimcoRealEstate



Period End2017-03-312016-12-31
Value18241824
Percentage of Land0.098.2
Percentage of Assets29.529.3
Percentage of Assets us-gaap:Subsidiaries aiv:AimcoRealEstate0.00.0

us-gaap:BusinessAcquisition

aiv:AssetAcquisitions



Period End2019-12-31
Value162
Percentage of Land8.7
Percentage of Assets2.4
Percentage of Assets aiv:AssetAcquisitions0.0

aiv:OneThousandOneBrickellBayDrive



Period End2019-09-30
Value145
Percentage of Land7.7
Percentage of Assets2.2
Percentage of Assets aiv:OneThousandOneBrickellBayDrive0.0

aiv:PhiladelphiaAcquisition



Period End2019-09-30
Value4
Percentage of Land0.3
Percentage of Assets0.1
Percentage of Assets aiv:PhiladelphiaAcquisition0.0

us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments

us-gaap:Subsidiaries, aiv:AimcoRealEstate



Period End2017-09-302017-06-302016-12-31
Value182718241824
Percentage of Land0.00.098.2
Percentage of Assets29.629.429.3
Percentage of Assets us-gaap:Subsidiaries aiv:AimcoRealEstate0.00.00.0

us-gaap:StatementBusinessSegments

aiv:AimcoRealEstate



Period End2018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value175617651763176117531827182418241824
Percentage of Land100.00.00.00.00.00.00.00.098.2
Percentage of Assets28.428.527.028.228.829.629.429.529.3
Percentage of Assets aiv:AimcoRealEstate0.00.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value37373739434549546161
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.70.70.80.90.90.8

us-gaap:MajorPropertyClass

us-gaap:AssetsHeldForSale



Period End2012-12-31
Value5
Percentage of Goodwill10.1
Percentage of Assets0.1
Percentage of Assets us-gaap:AssetsHeldForSale0.0

Finite Lived Intangible Assets Net

us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:LeasesAcquiredInPlaceMarketAdjustment



Period End2012-12-312011-12-312010-12-31
Value-19800000.0-23600000.0-27900000.0
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0
Percentage of Assets-0.3-0.3-0.4
Percentage of Assets us-gaap:LeasesAcquiredInPlaceMarketAdjustment0.00.00.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill



Period End2016-12-312015-12-312014-12-312013-12-312012-12-31
Value4045495050
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.80.80.8

us-gaap:StatementBusinessSegments

aiv:AimcoRealEstate



Period End2018-12-312017-12-312016-12-31
Value433839
Percentage of IntangibleAssetsNetIncludingGoodwill0.00.096.0
Percentage of Assets0.70.60.6
Percentage of Assets aiv:AimcoRealEstate0.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet



Period End2018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value673252603044
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.10.50.10.40.00.50.7

us-gaap:StatementBusinessSegments

aiv:AimcoRealEstate



Period End2018-12-312017-12-312016-12-31
Value67325
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0
Percentage of Assets1.10.50.1
Percentage of Assets aiv:AimcoRealEstate0.00.00.0

Long Term Debt

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value48024505425439973929407543004000388440553955391738733935386638884135396242064388
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets68.166.065.164.162.565.869.464.662.364.463.063.863.063.362.862.667.866.769.272.2

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value480245054254399739294075
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0
Percentage of Assets68.166.065.164.162.565.8
Percentage of Assets aiv:AIMCOPropertiesLP68.166.065.164.162.565.8

us-gaap:Subsidiaries



Period End2016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value388440553955391738733935386638884135396242064388
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets62.364.463.063.863.063.362.862.667.866.769.272.2
Percentage of Assets us-gaap:Subsidiaries62.364.463.063.863.063.362.862.667.866.769.272.2

dei:LegalEntity, us-gaap:StatementBusinessSegments

aiv:AIMCOPropertiesLP, aiv:AimcoRealEstate



Period End2018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value407536464261402938613648
Percentage of LongTermDebt100.00.00.00.00.093.9
Percentage of Assets65.859.065.164.463.558.5
Percentage of Assets aiv:AIMCOPropertiesLP aiv:AimcoRealEstate0.00.00.00.00.00.0

us-gaap:Subsidiaries, aiv:AimcoRealEstate



Period End2017-03-312016-12-31
Value37403648
Percentage of LongTermDebt93.593.9
Percentage of Assets60.458.5
Percentage of Assets us-gaap:Subsidiaries aiv:AimcoRealEstate0.00.0

us-gaap:BalanceSheetLocation, us-gaap:PropertyPlantAndEquipmentByType

aiv:Accruedliabilitiesandother, aiv:NapicoPortfolio



Period End2015-12-312014-12-31
Value148113
Percentage of LongTermDebt3.82.7
Percentage of Assets2.41.9
Percentage of Assets aiv:Accruedliabilitiesandother aiv:NapicoPortfolio0.00.0

us-gaap:BalanceSheetLocation, us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:Accruedliabilitiesandother, aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value143110113113106106106
Percentage of LongTermDebt3.72.92.92.72.72.52.4
Percentage of Assets2.31.81.81.91.81.81.7
Percentage of Assets aiv:Accruedliabilitiesandother aiv:NapicoPortfolio0.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities, us-gaap:StatementBusinessSegments

us-gaap:Subsidiaries, aiv:AimcoRealEstate



Period End2017-09-302017-06-302016-12-31
Value416241113648
Percentage of LongTermDebt0.095.693.9
Percentage of Assets67.566.358.5
Percentage of Assets us-gaap:Subsidiaries aiv:AimcoRealEstate0.00.00.0

us-gaap:StatementBusinessSegments

aiv:AimcoRealEstate



Period End2018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value407536464261402938614200411137403648
Percentage of LongTermDebt100.00.00.00.00.00.095.693.593.9
Percentage of Assets65.859.065.164.463.568.166.360.458.5
Percentage of Assets aiv:AimcoRealEstate0.00.00.00.00.00.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1717178017051763188316992125161416701663145414941688179316821771160316221601162816151227122811409839678828518889158751147862908951979101410461239
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.426.126.128.330.027.534.424.726.727.423.624.127.328.826.728.226.126.425.826.526.020.120.718.816.215.913.613.213.914.313.316.512.613.213.513.714.014.215.7

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value17951860178618421960176321941654166216551435147818361944182719181735176317481818183414421443134911811172109510631108115411021369108011441201124112761306153416462048
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.527.227.329.531.228.535.525.326.627.223.323.829.731.229.030.628.228.728.129.529.523.724.322.219.419.316.916.417.418.016.819.715.816.717.117.317.617.719.40.00.0

dei:LegalEntity

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership



Period End2011-06-302010-12-31
Value-27-30
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.2-2.4
Percentage of Assets-0.4-0.4
Percentage of Assets aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership0.00.0

aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships



Period End2011-06-302010-12-31
Value289291
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest23.422.3
Percentage of Assets4.04.0
Percentage of Assets aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships0.00.0

aiv:PartnersCapital



Period End2012-09-302012-06-302012-03-312011-12-31
Value8381110824874
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest76.081.176.376.4
Percentage of Assets12.816.012.112.7
Percentage of Assets aiv:PartnersCapital0.00.00.00.0

us-gaap:ParentCompany



Period End2011-06-302010-12-31
Value9791046
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest78.980.0
Percentage of Assets13.714.2
Percentage of Assets us-gaap:ParentCompany0.00.0

us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value8183798279677042-4-5-15-13-50-5-2-10-9-17-15-16-18-18-23-25-27-32-35-33-31-36-37-37-34-30-30
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest4.54.54.44.54.13.83.22.6-0.3-0.3-1.1-0.9-0.3-0.0-0.3-0.1-0.6-0.6-1.0-0.9-0.9-1.3-1.3-1.7-2.2-2.4-3.0-3.3-3.0-2.7-3.4-2.7-3.5-3.0-2.5-2.4
Percentage of Assets1.21.21.21.31.31.11.10.7-0.1-0.1-0.3-0.2-0.1-0.0-0.1-0.0-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.4-0.4-0.5-0.5-0.5-0.5-0.5-0.6-0.5-0.5-0.5-0.4-0.4
Percentage of Assets aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

aiv:NoncontrollingInterestsInConsolidatedRealEstatePartnerships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value-3-31-2-2-2-1-2-2-1-2-2153151150150142151164205235233234233223233245246253271264258256270279291
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-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 Assets-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:NoncontrollingInterestsInConsolidatedRealEstatePartnerships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

aiv:NotesDueOnCommonStockPurchases



Period End2010-12-312009-12-312008-12-312007-12-31
Value0-1-3-5
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.1-0.2-0.3
Percentage of Assets-0.0-0.00.00.0
Percentage of Assets aiv:NotesDueOnCommonStockPurchases0.00.00.00.0

us-gaap:AccumulatedDistributionsInExcessOfNetIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-1776-1722-1797-1741-1742-1947-1894-2402-2345-2367-2385-2596-2649-2798-2863-2841-2680-2492-2335-2019
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-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-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:AccumulatedDistributionsInExcessOfNetIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value44444443331-6-6-4-3-6-2-1-20
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.20.20.30.30.20.30.20.20.20.20.1-0.3-0.4-0.4-0.3-0.6-0.2-0.1-0.1-0.0
Percentage of Assets0.10.10.10.10.10.10.10.00.10.10.0-0.1-0.1-0.1-0.1-0.1-0.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value34883497349734983495351538883887388539004051406436963701371230983070307229102873
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest194.3188.0195.8189.8178.3199.3177.2234.9233.7235.5208.3230.4256.3315.6321.5270.7235.0200.2176.7140.3
Percentage of Assets49.551.253.556.155.656.862.959.462.164.265.066.260.660.958.045.141.638.90.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value11111111111111111110
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value64-7151141214205239236260294380476
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest3.6-0.47.88.014.917.520.720.620.019.223.123.3
Percentage of Assets1.0-0.12.42.33.53.43.73.43.53.70.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value17171780170517631883169921251614167016631454149416881793168217711603162216011628161512271228114098396788285188891587511478629081046123912661571
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest95.795.795.595.796.196.496.997.6100.5100.4101.3101.191.992.292.192.392.492.091.689.688.185.185.184.583.282.580.580.180.179.379.483.879.779.480.080.876.976.7
Percentage of Assets24.426.126.128.330.027.534.424.726.727.423.624.127.328.826.728.226.126.425.826.526.020.120.718.816.215.913.613.213.914.313.316.512.613.214.215.70.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ParentCompany



Period End2011-09-302010-12-31
Value9511046
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest79.280.0
Percentage of Assets13.514.2
Percentage of Assets us-gaap:ParentCompany0.00.0

us-gaap:PreferredStock



Period End2020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value001251251251251251251251591866868657657660696723
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.06.47.15.77.67.57.56.49.012.95.85.957.450.343.042.335.3
Percentage of Assets0.00.02.02.02.01.92.02.12.02.63.11.11.19.68.98.40.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value111111111111111111111111111111111111111
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
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

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value348834973497349834953515388838873885390038983897405140514052406640684064406440644065369636943692370037013704370437163712371436833071309831063095308430703072
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.551.253.556.155.656.862.959.462.164.263.262.965.565.064.464.866.266.265.466.065.460.662.260.860.860.957.157.258.358.056.653.045.045.144.143.242.541.638.9

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value44444443331001000-6-6-7-7-6-5-5-4-4-5-4-4-3-6-6-4-6-8-1-2-2-1
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.00.10.10.00.0-0.00.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value77951088881931171048110910910768101991027310110192648889895448488281672767798426
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues34.541.647.339.435.440.348.441.732.842.842.843.227.840.640.140.930.041.341.037.926.536.436.136.322.019.117.730.228.824.09.724.829.030.49.7

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7795108888193117104819811710373
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.090.7107.996.7107.4
Percentage of Revenues34.541.647.339.435.440.348.441.732.838.846.241.729.9
Percentage of Revenues aiv:AIMCOPropertiesLP34.541.647.339.435.440.348.441.732.838.846.241.729.9

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value681019910273101101926488898954484827
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues27.840.640.140.930.041.341.037.926.536.436.136.322.019.117.79.7
Percentage of Revenues us-gaap:Subsidiaries27.840.640.140.930.041.341.037.926.536.436.136.322.019.117.710.5

us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201618



Period End2017-09-302017-06-302017-03-31
Value8-35
Percentage of NetCashProvidedByUsedInOperatingActivities7.9-3.37.4
Percentage of Revenues3.4-1.42.1
Percentage of Revenues us-gaap:AccountingStandardsUpdate2016180.00.00.0

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302016-09-30
Value10999
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0
Percentage of Revenues42.840.1
Percentage of Revenues us-gaap:Subsidiaries42.840.1

us-gaap:Restatement

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInOperatingActivities

us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:RestatementAdjustment, us-gaap:AccountingStandardsUpdate201618



Period End
Value
Percentage of NetCashProvidedByUsedInOperatingActivities

us-gaap:StatementScenario

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInOperatingActivities

us-gaap:ScenarioPreviouslyReported



Period End2017-06-302017-03-31
Value10768
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0
Percentage of Revenues43.227.8
Percentage of Revenues us-gaap:ScenarioPreviouslyReported0.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-98-189-213-54252-117532-122-171288-96-90-86136-79-89-6544-131-10420-101176-15-46-73-65815-32-144-14478
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-43.6-82.3-92.9-24.5109.6-50.5219.7-48.8-69.3113.2-38.1-36.5-35.054.7-32.0-35.5-26.618.2-53.5-42.68.4-42.171.7-6.2-18.5-28.8-2.521.55.4-11.6-0.416.5-5.417.23.2

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-98-189-213-54252-117532-122-171290-96-91-87
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6100.0100.4101.7
Percentage of Revenues-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-43.6-82.3-92.9-24.5109.6-50.5219.7-48.8-69.3113.9-38.1-36.6-35.6

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value-86136-79-89-6544-131-10420-101176-15-46-73-60
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.093.4
Percentage of Revenues-35.054.7-32.0-35.5-26.618.2-53.5-42.68.4-42.171.7-6.2-18.5-28.8-2.5-0.3
Percentage of Revenues us-gaap:Subsidiaries-35.054.7-32.0-35.5-26.618.2-53.5-42.68.4-42.171.7-6.2-18.5-28.8-2.5-0.4

us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201618



Period End2017-09-302017-06-302017-03-31
Value00-1
Percentage of NetCashProvidedByUsedInInvestingActivities-0.00.41.7
Percentage of Revenues0.0-0.1-0.6
Percentage of Revenues us-gaap:AccountingStandardsUpdate2016180.00.00.0

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302016-09-30
Value-96-79
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0
Percentage of Revenues-38.1-32.0
Percentage of Revenues us-gaap:Subsidiaries-38.1-32.0

us-gaap:Restatement

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInInvestingActivities

us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:RestatementAdjustment, us-gaap:AccountingStandardsUpdate201618



Period End
Value
Percentage of NetCashProvidedByUsedInInvestingActivities

us-gaap:StatementScenario

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInInvestingActivities

us-gaap:ScenarioPreviouslyReported



Period End2017-06-302017-03-31
Value-90-86
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0
Percentage of Revenues-36.5-35.0
Percentage of Revenues us-gaap:ScenarioPreviouslyReported0.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value217178132-166-208-7-6841786-376-20-1721-224-27-225-14029-1065013-270-78-26-10-49-125-105-31-56-1452-131-38
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues97.077.557.5-74.1-90.4-3.4-282.47.135.0-147.7-7.9-7.28.7-90.0-11.0-9.12.1-57.211.8-43.320.65.7-109.7-32.0-10.5-4.0-18.0-46.1-37.7-11.0-19.8-53.80.9-47.5-14.1

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value217178132-166-208-7-6841786-376-20-1721
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.099.9101.8100.0100.0
Percentage of Revenues97.077.557.5-74.1-90.4-3.4-282.47.135.0-147.5-8.0-7.28.7
Percentage of Revenues aiv:AIMCOPropertiesLP97.077.557.5-74.1-90.4-3.4-282.47.135.0-147.5-8.0-7.28.7

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value21-224-27-225-14029-1065013-270-78-26-10-49-56
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.1
Percentage of Revenues8.7-90.0-11.0-9.12.1-57.211.8-43.320.65.7-109.7-32.0-10.5-4.0-18.0-19.8
Percentage of Revenues us-gaap:Subsidiaries8.7-90.0-11.0-9.12.1-57.211.8-43.320.65.7-109.7-32.0-10.5-4.0-18.0-21.5

us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201618



Period End
Value
Percentage of NetCashProvidedByUsedInFinancingActivities

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302016-09-30
Value-20-27
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0
Percentage of Revenues-7.9-11.0
Percentage of Revenues us-gaap:Subsidiaries-7.9-11.0

us-gaap:Restatement

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInFinancingActivities

us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:RestatementAdjustment, us-gaap:AccountingStandardsUpdate201618



Period End
Value
Percentage of NetCashProvidedByUsedInFinancingActivities

us-gaap:StatementScenario

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInFinancingActivities

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value77951088881931171048110910910768101991027310110192648889895448488281672767798426
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues34.541.647.339.435.440.348.441.732.842.842.843.227.840.640.140.930.041.341.037.926.536.436.136.322.019.117.730.228.824.09.724.829.030.49.7

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7795108888193117104819811710373
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.090.7107.996.7107.4
Percentage of Revenues34.541.647.339.435.440.348.441.732.838.846.241.729.9
Percentage of Revenues aiv:AIMCOPropertiesLP34.541.647.339.435.440.348.441.732.838.846.241.729.9

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value681019910273101101926488898954484827
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues27.840.640.140.930.041.341.037.926.536.436.136.322.019.117.79.7
Percentage of Revenues us-gaap:Subsidiaries27.840.640.140.930.041.341.037.926.536.436.136.322.019.117.710.5

us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201618



Period End2017-09-302017-06-302017-03-31
Value8-35
Percentage of NetCashProvidedByUsedInOperatingActivities7.9-3.37.4
Percentage of Revenues3.4-1.42.1
Percentage of Revenues us-gaap:AccountingStandardsUpdate2016180.00.00.0

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302016-09-30
Value10999
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0
Percentage of Revenues42.840.1
Percentage of Revenues us-gaap:Subsidiaries42.840.1

us-gaap:Restatement

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInOperatingActivities

us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:RestatementAdjustment, us-gaap:AccountingStandardsUpdate201618



Period End
Value
Percentage of NetCashProvidedByUsedInOperatingActivities

us-gaap:StatementScenario

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInOperatingActivities

us-gaap:ScenarioPreviouslyReported



Period End2017-06-302017-03-31
Value10768
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0
Percentage of Revenues43.227.8
Percentage of Revenues us-gaap:ScenarioPreviouslyReported0.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value613316427475695832641918131641522426692163933912877646710538221-12-1-23-19-21-14-7-27
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.058.00.928.8119.13.2235.12.033.8103.67.77.25.665.96.289.310.628.38.926.138.216.251.931.326.126.44.22.314.58.40.7-4.7-0.5-8.3-6.7-7.9-5.5-2.8-9.9

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value81424692919602789278222016
Percentage of NetIncomeLoss133.3106.9203.5108.5106.2130.5105.6141.2106.8105.4114.0115.1118.3
Percentage of Revenues4.062.01.831.2126.54.2248.32.836.1109.28.88.36.6
Percentage of Revenues aiv:AIMCOPropertiesLP4.062.01.831.2126.54.2248.32.836.1109.28.88.36.6

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value1617417237287424689942136827072137422420-23-19
Percentage of NetIncomeLoss118.3106.0113.1105.7111.1107.2112.0107.4106.6109.1106.4106.9108.0108.0119.9132.3108.3107.3147.9-1.2102.2102.6
Percentage of Revenues6.669.87.094.511.830.410.028.040.717.755.233.428.228.55.13.115.79.01.10.0-8.5-6.9
Percentage of Revenues us-gaap:Subsidiaries6.669.87.094.511.830.410.028.040.717.755.233.428.228.55.13.115.79.01.10.0-9.2-7.5

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302017-06-302016-09-302016-06-30
Value222017237
Percentage of NetIncomeLoss114.0115.1113.1105.7
Percentage of Revenues8.88.37.094.5
Percentage of Revenues us-gaap:Subsidiaries8.88.37.094.5

us-gaap:PropertyPlantAndEquipmentByType

aiv:NapicoPortfolio



Period End
Value
Percentage of NetIncomeLoss

us-gaap:SignificantAcquisitionsAndDisposalsByTransaction

aiv:NapicoPortfolio



Period End2015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value011000
Percentage of NetIncomeLoss1.72.51.6-0.1-0.6-0.8
Percentage of Revenues0.20.70.6-0.1-0.2-0.2
Percentage of Revenues aiv:NapicoPortfolio0.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value814236929196037952862221171773024529752368104451448481148796297533410-84-26-27-34-28-10-16
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.062.11.731.2126.54.2249.12.938.6112.18.78.77.071.112.197.912.130.79.628.142.618.858.534.332.859.231.22.71.136.619.912.63.9-3.11.7-9.6-9.5-12.6-10.4-3.7-6.1

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value81423692919603795286222117
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.062.11.731.2126.54.2249.12.938.6112.18.78.77.0
Percentage of Revenues aiv:AIMCOPropertiesLP4.062.11.731.2126.54.2249.12.938.6112.18.78.77.0

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value171773024529752368104451448481148796297533410-85-26-27
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.5117.799.299.2
Percentage of Revenues7.071.112.197.912.130.79.628.142.618.858.534.332.859.231.22.71.136.619.912.63.9-3.11.9-9.5-9.4
Percentage of Revenues us-gaap:Subsidiaries7.071.112.197.912.130.79.628.142.618.858.534.332.859.231.22.71.136.619.912.63.9-3.42.2-10.3-10.3

us-gaap:ConsolidatedEntities

srt:Subsidiaries



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1423692919603795286222117
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues62.11.731.2126.54.2249.12.938.6112.18.78.77.0
Percentage of Revenues srt:Subsidiaries62.11.731.2126.54.2249.12.938.6112.18.78.77.0

us-gaap:Subsidiaries



Period End2017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2862221171773024529
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues112.18.78.77.071.112.197.912.1
Percentage of Revenues us-gaap:Subsidiaries112.18.78.77.071.112.197.912.1

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2015-03-312014-03-31
Value7470
Percentage of DepreciationDepletionAndAmortization100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End
Value
Percentage of DepreciationDepletionAndAmortization

us-gaap:Subsidiaries



Period End2015-03-312014-03-31
Value7470
Percentage of DepreciationDepletionAndAmortization100.0100.0

us-gaap:ConsolidationItems

aiv:CorporateNonsegmentAndOtherReconcilingItemsMember



Period End
Value
Percentage of DepreciationDepletionAndAmortization

us-gaap:CorporateNonSegment



Period End
Value
Percentage of DepreciationDepletionAndAmortization

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-98-189-213-54252-117532-122-171288-96-90-86136-79-89-6544-131-10420-101176-15-46-73-65815-32-144-14478
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-43.6-82.3-92.9-24.5109.6-50.5219.7-48.8-69.3113.2-38.1-36.5-35.054.7-32.0-35.5-26.618.2-53.5-42.68.4-42.171.7-6.2-18.5-28.8-2.521.55.4-11.6-0.416.5-5.417.23.2

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-98-189-213-54252-117532-122-171290-96-91-87
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6100.0100.4101.7
Percentage of Revenues-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-43.6-82.3-92.9-24.5109.6-50.5219.7-48.8-69.3113.9-38.1-36.6-35.6

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value-86136-79-89-6544-131-10420-101176-15-46-73-60
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.093.4
Percentage of Revenues-35.054.7-32.0-35.5-26.618.2-53.5-42.68.4-42.171.7-6.2-18.5-28.8-2.5-0.3
Percentage of Revenues us-gaap:Subsidiaries-35.054.7-32.0-35.5-26.618.2-53.5-42.68.4-42.171.7-6.2-18.5-28.8-2.5-0.4

us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201618



Period End2017-09-302017-06-302017-03-31
Value00-1
Percentage of NetCashProvidedByUsedInInvestingActivities-0.00.41.7
Percentage of Revenues0.0-0.1-0.6
Percentage of Revenues us-gaap:AccountingStandardsUpdate2016180.00.00.0

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302016-09-30
Value-96-79
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0
Percentage of Revenues-38.1-32.0
Percentage of Revenues us-gaap:Subsidiaries-38.1-32.0

us-gaap:Restatement

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInInvestingActivities

us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:RestatementAdjustment, us-gaap:AccountingStandardsUpdate201618



Period End
Value
Percentage of NetCashProvidedByUsedInInvestingActivities

us-gaap:StatementScenario

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInInvestingActivities

us-gaap:ScenarioPreviouslyReported



Period End2017-06-302017-03-31
Value-90-86
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0
Percentage of Revenues-36.5-35.0
Percentage of Revenues us-gaap:ScenarioPreviouslyReported0.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value217178132-166-208-7-6841786-376-20-1721-224-27-225-14029-1065013-270-78-26-10-49-125-105-31-56-1452-131-38
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues97.077.557.5-74.1-90.4-3.4-282.47.135.0-147.7-7.9-7.28.7-90.0-11.0-9.12.1-57.211.8-43.320.65.7-109.7-32.0-10.5-4.0-18.0-46.1-37.7-11.0-19.8-53.80.9-47.5-14.1

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value217178132-166-208-7-6841786-376-20-1721
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.099.9101.8100.0100.0
Percentage of Revenues97.077.557.5-74.1-90.4-3.4-282.47.135.0-147.5-8.0-7.28.7
Percentage of Revenues aiv:AIMCOPropertiesLP97.077.557.5-74.1-90.4-3.4-282.47.135.0-147.5-8.0-7.28.7

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value21-224-27-225-14029-1065013-270-78-26-10-49-56
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.1
Percentage of Revenues8.7-90.0-11.0-9.12.1-57.211.8-43.320.65.7-109.7-32.0-10.5-4.0-18.0-19.8
Percentage of Revenues us-gaap:Subsidiaries8.7-90.0-11.0-9.12.1-57.211.8-43.320.65.7-109.7-32.0-10.5-4.0-18.0-21.5

us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201618



Period End
Value
Percentage of NetCashProvidedByUsedInFinancingActivities

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302016-09-30
Value-20-27
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0
Percentage of Revenues-7.9-11.0
Percentage of Revenues us-gaap:Subsidiaries-7.9-11.0

us-gaap:Restatement

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInFinancingActivities

us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:RestatementAdjustment, us-gaap:AccountingStandardsUpdate201618



Period End
Value
Percentage of NetCashProvidedByUsedInFinancingActivities

us-gaap:StatementScenario

srt:ScenarioPreviouslyReported



Period End
Value
Percentage of NetCashProvidedByUsedInFinancingActivities

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6157575767585959595656565651515151464646433837383734211414141411111111
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1000020373000
Percentage of PaymentsForRepurchaseOfCommonStock100.00.00.00.0100.0100.00.00.00.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1000020373000
Percentage of PaymentsForRepurchaseOfCommonStock100.00.00.00.0100.0100.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrument, us-gaap:Range

us-gaap:DebtInstrumentInterestRateStatedPercentage

aiv:FixedRate, us-gaap:Maximum



Period End2016-12-31
Value0.085
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:FixedRate us-gaap:Maximum0.0

aiv:FixedRate, us-gaap:Minimum



Period End2016-12-31
Value0.0228
Percentage of DebtInstrumentInterestRateStatedPercentage26.8
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:FixedRate us-gaap:Minimum0.0

aiv:VariableRate, us-gaap:Maximum



Period End2016-12-31
Value0.0207
Percentage of DebtInstrumentInterestRateStatedPercentage24.4
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:VariableRate us-gaap:Maximum0.0

aiv:VariableRate, us-gaap:Minimum



Period End2016-12-31
Value0.0062
Percentage of DebtInstrumentInterestRateStatedPercentage7.3
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:VariableRate us-gaap:Minimum0.0

us-gaap:DebtInstrument, us-gaap:Range, us-gaap:StatementBusinessSegments

aiv:FixedRate, us-gaap:Maximum, aiv:AimcoRealEstate



Period End2017-12-31
Value0.0805
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:FixedRate us-gaap:Maximum aiv:AimcoRealEstate0.0

aiv:FixedRate, us-gaap:Minimum, aiv:AimcoRealEstate



Period End2017-12-31
Value0.0273
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:FixedRate us-gaap:Minimum aiv:AimcoRealEstate0.0

aiv:VariableRate, us-gaap:Maximum, aiv:AimcoRealEstate



Period End2017-12-31
Value0.0306
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:VariableRate us-gaap:Maximum aiv:AimcoRealEstate0.0

aiv:VariableRate, us-gaap:Minimum, aiv:AimcoRealEstate



Period End2017-12-31
Value0.01
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:VariableRate us-gaap:Minimum aiv:AimcoRealEstate0.0

us-gaap:DebtInstrument, us-gaap:Range, us-gaap:Subsegments

aiv:FixedRate, us-gaap:Maximum, aiv:AssetManagement



Period End2017-12-31
Value0.085
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:FixedRate us-gaap:Maximum aiv:AssetManagement0.0

aiv:FixedRate, us-gaap:Minimum, aiv:AssetManagement



Period End2017-12-31
Value0.025
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations aiv:FixedRate us-gaap:Minimum aiv:AssetManagement0.0

us-gaap:Range, us-gaap:DebtInstrument

srt:Maximum, aiv:FixedRate



Period End2019-12-31
Value0.0679
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum aiv:FixedRate0.0

srt:Maximum, aiv:VariableRate



Period End2019-12-31
Value0.03
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum aiv:VariableRate0.0

srt:Minimum, aiv:FixedRate



Period End2019-12-31
Value0.0273
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum aiv:FixedRate0.0

srt:Minimum, aiv:VariableRate



Period End2019-12-31
Value0.0251
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum aiv:VariableRate0.0

us-gaap:Range, us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments

srt:Maximum, aiv:FixedRate, aiv:AimcoRealEstate



Period End2018-12-31
Value0.0714
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum aiv:FixedRate aiv:AimcoRealEstate0.0

srt:Maximum, aiv:VariableRate, aiv:AimcoRealEstate



Period End2018-12-31
Value0.0367
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum aiv:VariableRate aiv:AimcoRealEstate0.0

srt:Minimum, aiv:FixedRate, aiv:AimcoRealEstate



Period End2018-12-31
Value0.0273
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum aiv:FixedRate aiv:AimcoRealEstate0.0

srt:Minimum, aiv:VariableRate, aiv:AimcoRealEstate



Period End2018-12-31
Value0.0355
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum aiv:VariableRate aiv:AimcoRealEstate0.0

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

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0000112367
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockOptions



Period End2012-12-312011-12-312010-12-312009-12-31
Value3679
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.00.0

us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanName

us-gaap:StockOptions



Period End2011-12-312010-12-312009-12-312008-12-31
Value67911
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.00.00.0

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

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value40.340.1240.0829.5530.8528.9128.4828.3926.4726.53
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockOptions



Period End2012-12-312011-12-312010-12-312009-12-31
Value28.3926.4726.5326.14
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.00.0

us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanName

us-gaap:StockOptions



Period End2011-12-312010-12-312009-12-312008-12-31
Value26.4726.5326.1428.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod



Period End
Value
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:AwardType

aiv:TSRLTIPIIUnits



Period End
Value
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

aiv:TSRLTIPIUnits



Period End
Value
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

aiv:TSRLTIPUnits



Period End
Value
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

aiv:TSRRestrictedShares



Period End
Value
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

aiv:TSRRestrictedStock



Period End
Value
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:RestrictedStock



Period End
Value
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End
Value
Percentage of ShareBasedCompensation

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End
Value
Percentage of ShareBasedCompensation

us-gaap:Subsidiaries



Period End
Value
Percentage of ShareBasedCompensation

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities



Period End2019-12-312012-12-312011-12-312010-12-31
Value63695539
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0

us-gaap:BusinessAcquisition

aiv:OneThousandOneBrickellBayDrive



Period End2019-12-312019-09-30
Value148141
Percentage of DeferredTaxLiabilities234.00.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet



Period End2012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value44516161595842
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value522222233433
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value44254433444
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowanceByDeferredTaxAsset

aiv:LowIncomeHousingandRehabilitationTaxCreditCarryforward



Period End2018-12-312017-12-31
Value1515
Percentage of DeferredTaxAssetsValuationAllowance312.460.4

Cash And Cash Equivalents Period Increase Decrease

us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease



Period End2018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0-321-8-1313-7-9135-1-1171350-4-4-17-34-715-93-29-33660-3
Percentage of CashAndCashEquivalentsPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2018-06-302018-03-312017-06-302017-03-31
Value0-3-57
Percentage of CashAndCashEquivalentsPeriodIncreaseDecrease100.0100.0399.5195.1

us-gaap:Subsidiaries



Period End2017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value313-7-9135-1-1171350-4-4-17-34-7-29
Percentage of CashAndCashEquivalentsPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:Subsidiaries



Period End2017-09-302016-09-30
Value-8-7
Percentage of CashAndCashEquivalentsPeriodIncreaseDecrease100.0100.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value374177936519872104138139142133133138131137
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value374177936519872104138139142133133138131137
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MajorPropertyClass, us-gaap:RealEstateProperties

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, aiv:WhollyAndPartiallyOwnedConsolidatedProperties



Period End2018-06-30
Value0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents0.3

us-gaap:StatementEquityComponents

aiv:AmortizationOfStockOptionAndRestrictedStockCompensationCost

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value20000.00.00.00.022000.01000.00.02000.019000.0
Percentage of AmortizationOfStockOptionAndRestrictedStockCompensationCost100.00.00.00.0100.0100.00.0100.0100.0

aiv:EffectOfChangesInOwnershipForConsolidatedEntities



Period End2020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312012-03-312011-12-312011-09-30
Value000010003120211000000-38363
Percentage of EffectOfChangesInOwnershipForConsolidatedEntities0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312012-03-31
Value0-1-2-3-2000-60-10-3-6-10-1000-4-32
Percentage of EffectOfChangesInOwnershipForConsolidatedEntities0.00.00.00.00.00.075300.087.5-60.3-1275.9-4952.2-0.1-15873.7-56.50.00.0-413.90.00.08616.7-18316.0-8197.7-5.7

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0154200017
Percentage of EffectOfChangesInOwnershipForConsolidatedEntities0.00.00.00.00.00.0-75300.012.5160.3

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-03-31
Value01542000170115533183011200043-30
Percentage of EffectOfChangesInOwnershipForConsolidatedEntities0.00.00.00.00.00.0-75300.012.5160.31375.95052.249.915973.7153.2156.50.00.01411.8513.90.00.076.5-8516.718416.08125.079.3

aiv:NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemableAndNonredeemable



Period End2020-03-312019-03-31
Value00
Percentage of NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemableAndNonredeemable100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-03-31
Value00
Percentage of NoncontrollingInterestInNetIncomeLossLimitedPartnershipsRedeemableAndNonredeemable100.0100.0

aiv:OperatingIncomeLossProperty



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3536384041-149464953
Percentage of OperatingIncomeLossProperty100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-123-114-118-114-113287-105-96-87
Percentage of OperatingIncomeLossProperty-346.5-313.7-307.6-285.3-274.1-192.3-224.7-195.4-163.2

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00000-1000
Percentage of OperatingIncomeLossProperty1.81.71.51.31.31.01.11.11.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:Acquisition



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value087776741
Percentage of OperatingIncomeLossProperty1.423.419.018.117.2-4.616.69.12.0

us-gaap:OperatingSegments, aiv:OtherRealEstate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1188555555
Percentage of OperatingIncomeLossProperty32.822.421.313.413.5-3.812.411.510.3

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value71110121313121111
Percentage of OperatingIncomeLossProperty20.332.727.030.331.5-8.726.923.421.7

us-gaap:OperatingSegments, aiv:SameStore



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value139122130129128118125123121
Percentage of OperatingIncomeLossProperty390.3333.5338.7322.2310.5-79.1267.7250.3228.3

aiv:OtherItemsIncludedInContinuingOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value29-10437-28-252-553154282936394039433539404041424449475359605746-5967-75-70-93-68-69-82-73
Percentage of OtherItemsIncludedInContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value29-10437-28-252-553154282936394039433539404041
Percentage of OtherItemsIncludedInContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aiv:OtherOperatingExpensesNotAllocatedToReportableSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value11311411310810990117124
Percentage of OtherOperatingExpensesNotAllocatedToReportableSegment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value11311411310810990117124
Percentage of OtherOperatingExpensesNotAllocatedToReportableSegment100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:PartnersCapitalAccountAmortizationOfStockBasedCompensation

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value211132222
Percentage of PartnersCapitalAccountAmortizationOfStockBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

aiv:GeneralPartnerAndSpecialLimitedPartner, aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value11112111
Percentage of PartnersCapitalAccountAmortizationOfStockBasedCompensation64.758.659.459.975.479.779.881.4

aiv:PartnersCapitalAttributableToPartnership, aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value21113222
Percentage of PartnersCapitalAccountAmortizationOfStockBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LimitedPartner, aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value10000000
Percentage of PartnersCapitalAccountAmortizationOfStockBasedCompensation35.341.440.640.124.620.320.218.6

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

aiv:PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated

aiv:GeneralPartnerAndSpecialLimitedPartner, aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value01542000
Percentage of PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LimitedPartner, aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0-1-2-3-2000
Percentage of PartnersCapitalAccountEffectOfChangesInOwnershipOfPartnershipUnitsAndConsolidated-100.0-94.2-54.6-78.5-100.0-100.0-100.0697.0

dei:LegalEntity

aiv:PaymentOfDistributionsToGeneralPartnerAndSpecialLimitedPartner

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value61575757675859595956565656
Percentage of PaymentOfDistributionsToGeneralPartnerAndSpecialLimitedPartner100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:PaymentOfDistributionsToLimitedPartners

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3333333222222
Percentage of PaymentOfDistributionsToLimitedPartners100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:PaymentsForRedemptionOfCommonAndPreferredUnits

aiv:AIMCOPropertiesLP



Period End2020-03-312019-03-31
Value12
Percentage of PaymentsForRedemptionOfCommonAndPreferredUnits100.0100.0

aiv:PaymentsToAcquirePurchasesOfCorporateAssetsInvestingActivities



Period End2020-03-312019-12-312019-03-312018-12-31
Value5232
Percentage of PaymentsToAcquirePurchasesOfCorporateAssetsInvestingActivities100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-03-312018-12-31
Value5232
Percentage of PaymentsToAcquirePurchasesOfCorporateAssetsInvestingActivities100.0100.0100.0100.0

aiv:PropertyOperatingExpenses



Period End2020-03-312019-03-31
Value7578
Percentage of PropertyOperatingExpenses100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-03-31
Value7578
Percentage of PropertyOperatingExpenses100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-03-31
Value711
Percentage of PropertyOperatingExpenses9.615.0

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-03-31
Value87
Percentage of PropertyOperatingExpenses10.89.8

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, aiv:Acquisition



Period End2020-03-312019-03-31
Value00
Percentage of PropertyOperatingExpenses0.50.2

us-gaap:OperatingSegments, aiv:OtherRealEstate



Period End2020-03-312019-03-31
Value64
Percentage of PropertyOperatingExpenses8.26.3

us-gaap:OperatingSegments, aiv:RedevelopmentandDevelopment



Period End2020-03-312019-03-31
Value45
Percentage of PropertyOperatingExpenses6.26.7

us-gaap:OperatingSegments, aiv:SameStore



Period End2020-03-312019-03-31
Value4848
Percentage of PropertyOperatingExpenses64.662.0

aiv:RedemptionOfOperatingPartnershipUnitsInExchangeForCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0-10-1-2-100
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0-1-3-4-2-100
Percentage of RedemptionOfOperatingPartnershipUnitsInExchangeForCash100.0100.0441.5317.3100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:Range

aiv:TemporaryEquityDistributionMadeToMemberOrLimitedPartnerDistributionsPaidPercentage

srt:Subsidiaries, srt:Maximum



Period End2020-03-31
Value0.0875
Percentage of TemporaryEquityDistributionMadeToMemberOrLimitedPartnerDistributionsPaidPercentage100.0

srt:Subsidiaries, srt:Minimum



Period End2020-03-31
Value0.0192
Percentage of TemporaryEquityDistributionMadeToMemberOrLimitedPartnerDistributionsPaidPercentage21.9

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-30
Value21113222222231122111211112111
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

aiv:CommonNoncontrollingInterestsInAimcoOperatingPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1000000000000
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue35.341.440.640.124.620.320.218.611.97.67.37.35.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value111121112
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue64.758.659.459.975.479.779.881.488.1

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value111121112111211221112111121
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue64.758.659.459.975.479.779.881.488.192.492.792.795.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302012-03-312011-03-31
Value000000057
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.00.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value1000000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1904.10.0100.0100.0150.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1978427-132125-31-340-38
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1978427-132125-31-340-38
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value0.410.390.392.020.380.38
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:SubsequentEventType, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

aiv:TermLoan, us-gaap:SubsequentEvent, aiv:LondonInterbankOfferedRateFloorRate



Period End2020-04-20
Value0.005
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

aiv:TermLoan, us-gaap:SubsequentEvent, us-gaap:LondonInterbankOfferedRateLIBOR



Period End2020-04-20
Value0.0185
Percentage of DebtInstrumentBasisSpreadOnVariableRate1370.0

us-gaap:DepreciationAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-03-312010-03-31
Value100979791939196979297928987878480797977757471697170100105
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value100979791939196979297928987
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DistributionMadeToLimitedPartnerDistributionsPaidPerUnit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.410.390.392.020.380.380.38
Percentage of DistributionMadeToLimitedPartnerDistributionsPaidPerUnit100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:Range

srt:Subsidiaries, srt:Maximum



Period End2020-03-31
Value8.0
Percentage of DistributionMadeToLimitedPartnerDistributionsPaidPerUnit1951.2

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Period End2020-03-31
Value0.48
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Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6058586758595962
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Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6058586758595959
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Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6058586758595959
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Period End2020-03-312019-03-312018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
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Period End2020-03-312019-06-302019-03-312018-06-302018-03-312017-03-31
Value0.040.41.880.020.520.07
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0146164291-2626053
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0146164291-26260
Percentage of GainLossOnSaleOfPropertiesBeforeApplicableIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value600000-20-9-4-1-1-11-15-59
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Period End2020-03-312019-03-31
Value60
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Period End2020-03-312019-03-31
Value00
Percentage of IncomeLossFromEquityMethodInvestments2.70.0

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Period End2020-03-312019-03-31
Value00
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-03-312012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value31-71017-7-219-11327
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value42232322222221211111111115326
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4223232222222
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Period End2020-03-312019-03-31
Value11
Percentage of InvestmentIncomeInvestmentExpense100.0100.0

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Period End2020-03-312019-03-31
Value11
Percentage of InvestmentIncomeInvestmentExpense100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value333334337
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Period End2020-03-312018-03-31
Value07
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Period End2020-03-31
Value0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders2.3

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value33333333
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders97.795.297.498.3100.069.189.292.0

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Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-31
Value00001007
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Period End2020-03-312019-03-31
Value6271
Percentage of NetIncomeLossAttributableToParentDiluted100.0100.0

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Period End2020-03-312019-03-31
Value7286
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Period End2020-03-312019-03-31
Value7289
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0

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Period End2020-03-312019-03-31
Value7289
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0

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Period End2020-03-312019-03-31
Value6274
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Period End2020-03-312019-03-31
Value00
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Period End2020-03-312019-03-31
Value7289
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest98.4100.0

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Period End2020-03-312019-03-31
Value015
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Period End2020-03-312019-03-31
Value015
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest5.15.2

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Period End2020-03-312019-03-31
Value00
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest1.60.0

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Period End2020-03-312019-03-31
Value6274
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest93.394.7

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Period End2020-03-312019-03-31
Value6274
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest93.394.7

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Period End2020-03-312019-03-31
Value015
Percentage of NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable100.0100.0

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Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value111111
Percentage of NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-03-31
Value14
Percentage of NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable100.0211.1

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Period End2020-03-312019-09-302019-06-302019-03-31
Value227228223229
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Period End2020-03-312019-09-302019-06-302019-03-31
Value213213209215
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Period End2020-03-312019-09-302019-06-302019-03-31
Value13151314
Percentage of OperatingLeaseVariableLeaseIncome100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value000000000101-1000601000000
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value000000000101-1
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value000000100111-1
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00000010
Percentage of OtherComprehensiveIncomeLossNetOfTax93.393.994.093.893.494.994.694.6

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00000010
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00000000
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00000000
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00000010
Percentage of OtherComprehensiveIncomeLossNetOfTax93.393.994.093.893.494.994.694.6

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00000010
Percentage of OtherComprehensiveIncomeLossNetOfTax93.393.994.093.893.494.994.694.6

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14445-95424221515123215132222506545374-42
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value14445-95424221
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0103.396.997.2100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value-310-3-3-310-9-20-6913-401852821-30-2-4
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-310-3-3-310-9-2084-3-1
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0-119.246.9-224.9-32.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0000000000000
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Period End2020-03-312019-03-312018-03-31
Value637062
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Period End2020-03-31
Value72
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Period End2020-03-312019-03-31
Value6067
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Period End2020-03-312019-03-31
Value6370
Percentage of PartnersCapitalAccountDistributions100.0100.0

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Period End2020-03-312019-03-31
Value33
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value010121006
Percentage of PartnersCapitalAccountRedemptions100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value01012100
Percentage of PartnersCapitalAccountRedemptions100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value01342100
Percentage of PartnersCapitalAccountRedemptions100.0100.0441.5317.3100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value1000020
Percentage of PartnersCapitalAccountTreasuryUnitsPurchases100.00.00.00.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value1000020
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value1000020
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value000000000
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00000000
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Period End2020-03-312019-09-302019-06-302019-03-31
Value0000
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00000000
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us-gaap:PaymentsForCapitalImprovements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value9410011690858789887591909482879386798910410171909488946656
Percentage of PaymentsForCapitalImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9410011690858789887591909482
Percentage of PaymentsForCapitalImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-471-1-130-20010000-4-5-2725-30-6-4-587-42-6-2-9-9-1-2-6
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-471-1-130-200100
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value150121007
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value55555655111045561756116336710724
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0000010076001
Percentage of PaymentsOfDividendsMinorityInterest1.53.84.71.10.023.17.85.460.758.22.114.119.4

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value00012222222222222222232000121212121214121212
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock0.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1113444444444
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock0.0-190700.00.0275.9190.0190.0190.0190.0190.2190.2190.2190.2190.7

us-gaap:PaymentsToAcquireResidentialRealEstate



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value28741229740164833422813227010040151118112040
Percentage of PaymentsToAcquireResidentialRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

aiv:AIMCOPropertiesLP



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value287412297401648334
Percentage of PaymentsToAcquireResidentialRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockDividendsAndOtherAdjustments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0005222222222242222232210000142212101391216131012
Percentage of PreferredStockDividendsAndOtherAdjustments0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-12-312019-09-30</