APAM


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

Table of contents


us-gaap:StatementClassOfStock
us-gaap:CommonStockValue

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:ConsolidatedEntities
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:AwardType, us-gaap:IncomeStatementLocation
us-gaap:GainLossOnInvestments
us-gaap:ConsolidatedEntities

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:InterestExpenseDebt

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:MajorCustomers, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:Revenues

us-gaap:SellingAndMarketingExpense

us-gaap:Assets
us-gaap:ConsolidatedEntities

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:EquitySecuritiesFvNi
us-gaap:ConsolidatedEntities
us-gaap:OtherAssets

us-gaap:DebtAndCapitalLeaseObligations
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:MinorityInterest

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation
us-gaap:AwardType

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

apam:AdjustmentstoPaidInCapitalEstablishmentofDeferredTaxAssetsNetOfAmountsPayableUnderTaxReceivableAgreements
us-gaap:StatementEquityComponents

apam:AmortizationofTRADTA

apam:CapitalContributionstoConsolidatedInvestmentProducts

apam:ChangeinAPAMEconomicOwnershipInterestinArtisanPartnersHoldingsLPasapercent
us-gaap:AwardType, us-gaap:StatementClassOfStock

apam:DeferredTaxAssetsExchanges
us-gaap:SubsidiarySaleOfStock
us-gaap:AwardType, us-gaap:IncomeStatementLocation
apam:LongTermIncentiveCompensationExpenseImpactOfChangeInValueOfInvestments

apam:NetChangeinOperatingAssetsandLiabilitiesofConsolidatedInvestmentProducts

apam:NetGainLossOnTheTaxReceivableAgreements

apam:NetInvestmentGainLossofConsolidatedInvestmentProducts

apam:NonCashTransactionInitialEstablishmentOfAmountsPayableUnderTaxReceivableAgreements
apam:HoldingsCommonUnitExchanges
us-gaap:SubsidiarySaleOfStock

apam:NonCashTransactionInitialEstablishmentOfDeferredTaxAssets
us-gaap:StatementClassOfStock
apam:NoncontrollingInterestIncreaseDecreaseOwnershipInterestExchangeofUnitsPercent

apam:PaymentsForLeaseholdImprovements

apam:ProceedsfromSaleofInvestmentsbyConsolidatedInvestmentProducts

apam:PurchaseofInvestmentsbyConsolidatedInvestmentProducts
us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty
apam:RelatedPartyFeeWaiverExpenseReimbursement
us-gaap:ConsolidationItems, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty

apam:TaxReceivableAgreementPayments
us-gaap:SubsequentEventType

apam:TaxReceivableAgreementPercentageSavingsRequiredToBePaidToShareholders

apam:TaxReceivableAgreementPercentageToBeRetainedByEntity

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashDivestedFromDeconsolidation
us-gaap:Dividends
us-gaap:CommonStockDividendsPerShareCashPaid
us-gaap:Dividends, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:CommunicationsAndInformationTechnology
us-gaap:BalanceSheetLocation, us-gaap:StatementEquityComponents
us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesAdditionalInterestIssuedToParent
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet

us-gaap:ConversionOfStockAmountConverted1
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CurrentFederalTaxExpenseBenefit

us-gaap:CurrentForeignTaxExpenseBenefit

us-gaap:CurrentIncomeTaxExpenseBenefit

us-gaap:CurrentStateAndLocalTaxExpenseBenefit
us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation
us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense

us-gaap:DeferredFederalIncomeTaxExpenseBenefit

us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit
us-gaap:SubsequentEventType
us-gaap:DistributionMadeToLimitedPartnerCashDistributionsDeclared

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EmployeeBenefitsAndShareBasedCompensation

us-gaap:EquitySecuritiesFvNiUnrealizedGain

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:GainLossOnSaleOfPropertyPlantEquipment
dei:LegalEntity
us-gaap:GeneralPartnersCapitalAccountDistributionAmount

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherDeferredLiability

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:LaborAndRelatedExpense
dei:LegalEntity
us-gaap:LimitedPartnersCapitalAccountDistributionAmount

us-gaap:MarketableSecuritiesGainLoss

us-gaap:MarketableSecuritiesRealizedGainLoss

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NoncontrollingInterestDecreaseFromDeconsolidation

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:OccupancyNet

us-gaap:OtherAssetImpairmentCharges

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
us-gaap:StatementEquityComponents

us-gaap:OtherGeneralAndAdministrativeExpense

us-gaap:OtherTaxExpenseBenefit

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
dei:LegalEntity
us-gaap:PartnersCapitalAccountDistributions

us-gaap:PaymentsForRepurchaseOfOtherEquity

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToMinorityShareholders

us-gaap:ProceedsFromIssuanceOrSaleOfEquity

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:ConsolidationItems, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:SalariesWagesAndOfficersCompensation
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:AwardDate
us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:SubsequentEventType
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationForfeited
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:TransferToInvestments

us-gaap:VariableInterestEntityOwnershipPercentage

apam:AmountsPayableUnderTaxReceivableAgreement
us-gaap:ConsolidatedEntities
apam:CashandCashEquivalentsofConsolidatedInvestmentProducts

apam:DeferredTaxAssetsStepUpOfTaxBasis
us-gaap:AwardType, us-gaap:SubsequentEventType
apam:LongTermCashAwardsGrantDateFairValue
us-gaap:AwardType, us-gaap:SubsequentEventType
apam:LongTermIncentiveAwardsGrantDateFairValue

apam:NetAssetsofConsolidatedInvestmentProducts
us-gaap:ConsolidatedEntities

apam:NetAssetsofConsolidatedInvestmentProductsCarryingValue
us-gaap:ConsolidatedEntities

apam:NetAssetsofConsolidatedInvestmentProductsMeasuredatFairValue
us-gaap:ConsolidatedEntities

apam:SubsidiaryOwnershipPercentageArtisanPartnersLimitedPartnership

apam:VariableInterestEntityConsolidationThreshold
us-gaap:StatementClassOfStock
dei:EntityCommonStockSharesOutstanding

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:AccountsReceivableGross

us-gaap:AccountsReceivableNet

us-gaap:AccountsReceivableRelatedParties
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DebtLongtermAndShorttermCombinedAmount
us-gaap:AwardType
us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOther

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType

us-gaap:EquityMethodInvestments
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:InvestmentRelatedLiabilities
us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:Investments
us-gaap:AwardType
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent
us-gaap:Ownership, us-gaap:StatementClassOfStock

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:OtherAssetsMiscellaneous

us-gaap:OtherReceivables

us-gaap:PrepaidExpenseAndOtherAssets

us-gaap:PrepaidExpenseCurrentAndNoncurrent

us-gaap:ReceivablesFromCustomers
us-gaap:MajorCustomers

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
us-gaap:ConsolidatedEntities

us-gaap:RedeemableNoncontrollingInterestEquityCommonCarryingAmount

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:MajorCustomers

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Property Plant And Equipment Net
Current Assets
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
NonCurrent Assets
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Accounts Payable And Accrued Liabilities Current And Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Accounts Receivable
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NonoperatingIncomeExpense
Interest Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassA██████▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▄▄▃▃▂▂▁0.6480.6480.6310.6140.6140.6060.5640.5630.5610.5560.5410.540.540.5350.5050.50.4970.4920.4210.4210.420.4130.3940.3940.3930.3910.3420.3410.3110.2910.1980.1430.1270.1270.0NANANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassB▂▂▂▂▂▃▃▃▃▃▃▃▃▄▄▄▄▄▅▅▅▆▆▆▆▆▇▇▇▇████▁0.0360.0380.0450.0550.0560.060.0780.0780.0790.080.0860.0870.0880.0970.1190.1230.1240.1280.1510.1670.1690.1760.1830.1830.1830.1840.2150.2150.2160.2160.2530.2560.2580.2630.0NANANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassC▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▅▅▅▅▅▅▅▅▅▆▆▇███▁0.1060.1060.110.1160.1160.120.1360.1370.1380.1420.1420.1420.1420.1380.1320.1330.1350.1360.1710.1570.1560.1560.1570.1570.1580.1590.1720.1730.1880.2040.2520.290.2880.2840.0NANANA
us-gaap:EarningsPerShareBasic █▇▇▄▃▁▃▃1.331.191.17999999999999970.930.720.530.77999999999999980.71NANA0.570.770.720.75-0.670.610.450.370.420.410.380.350.470.440.50.430.580.570.42-2.29-3.040.420.380.19NANANANA
us-gaap:EarningsPerShareDiluted █▇▇▄▃▁▃▃1.331.191.17999999999999970.930.720.530.77999999999999980.71NANANANANANANANANANANANANANANANANANANA0.570.42-2.29-3.040.350.380.19NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:ComprehensiveIncomeNetOfTax █▇▇▆▅▅▅▅▅▅▅▅▅▅▁▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃88.25877.40174.04559.14546.08733.77545.55740.83238.8431.77732.23942.3741.26941.667-27.44131.12627.02419.66618.87518.87117.93416.07720.07217.73823.98819.42321.1419.99519.4828.849.6346.7165.8143.0210.00.00.00.0
 us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities apam:ArtisanPartnersHoldingsLP█▇█▅▃▁▆▄▄▂25.6423.69125.58121.72318.15215.9222.78520.419.68317.449NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities apam:ConsolidatedInvestmentProducts▆▅█▆▇▁▅▄▄▄5.0473.69910.0584.6197.424-7.2942.5060.40.990.97NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ████▇▇▇▇▇▇▇▇▇▇▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▁▇▆▇▆118.945104.791109.68485.48771.66342.40170.84861.63259.51350.19647.7866.50966.60372.2960.92159.27649.47642.72443.04644.98642.73540.00549.32148.51159.70953.25459.18161.83964.42352.26158.86757.46547.131-397.86236.379-34.64637.1445.671
 us-gaap:GainLossOnInvestments us-gaap:ConsolidatedEntities srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE█▄▅▄▅▁▇3.9560.3720.9470.5731.164-2.3792.964NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainLossOnInvestments us-gaap:ConsolidatedEntities us-gaap:ConsolidatedEntityExcludingVie█▁3.9350.196NA0.5781.174-2.257NA1.007NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainLossOnInvestments us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary▆▅█▆▇▁▅▄▄8.3286.91618.3967.79812.877-12.9245.0760.6192.043NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▆▆▆▆▅▅▅▅▅▅▅▅▅▅█▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▁▅▄▅▅147.346126.236125.1103.14187.96353.09483.69254.85771.45759.2657.31880.88979.63283.949372.17979.98863.77455.30456.04260.49756.1151.83562.81661.77875.75558.52873.15178.4672.57363.39571.38662.91452.903-394.94537.22-35.72338.253.877
us-gaap:IncomeTaxExpenseBenefit ▂▂▁▁▁▁▁▁▁▁▁▁▁▁█▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁28.46521.61816.6418.44816.2569.45114.238-7.35511.4849.4429.15414.17211.98712.285371.33921.47914.94112.74912.22215.1112.63411.51713.56211.6316.4975.08213.63615.3358.6511.2089.2446.8245.8734.4490.2250.2430.2470.332
us-gaap:InterestExpense ▃▂▂▃▃▂▂▃▄▃▃▄▄▃▃▄▄▄▄▄▅▄▄▅▅▄▄▄▄▄▄▄▄▇█▄▁▂2.722.6852.6862.7182.7152.6852.6922.762.8272.7752.7782.8232.8462.7762.7782.872.922.8812.892.9242.9342.9052.8782.9712.9782.8792.8822.9052.9022.8832.8832.8852.8913.213.2962.9142.5522.68
us-gaap:InterestExpenseDebt ▄▄▄▄▄▄▄▄▄▅▄▅▄▅▅▅▆▆▆▆▅▆▆▆▅▆▆▆▅▆▆▅▆██▅▁▂2.52.62.62.62.52.62.62.62.62.72.62.72.62.72.72.72.82.82.82.82.72.82.82.82.72.82.82.82.72.82.7722.7662.7693.0933.1562.6262.0722.246
us-gaap:NetIncomeLoss █▇▇▆▅▅▅▅▅▅▅▅▅▅▁▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃88.20777.27873.11458.52746.15134.82544.55341.25639.18831.53932.51142.51842.00641.274-27.49330.66526.63219.79519.29919.08618.38416.26120.07718.47423.73619.51421.29420.43919.268.63610.0825.9775.7982.950.00.00.00.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic █▇▇▇▆▅▆▆▅▅▅▆▆▆▂▅▅▄▄▄▄▄▅▄▅▄▄▅▄▁▁▄▄▄79.44270.13966.7952.52140.1527.9939.9236.76233.84823.80628.53937.8935.15435.35-31.43328.01120.29315.36916.53415.67914.26313.09917.52415.918.09813.95716.46117.19311.568-46.193-40.5335.3274.8252.455NANANANA
us-gaap:NonoperatingIncomeExpense ▂▂▂▂▂▁▂▁▁▁▁▁▁▂█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▁▂▁▁9.5434.42711.6085.89611.336-17.8664.375-20.6910.5991.528-6.923-0.9480.7553.963290.933-0.642-2.729-2.728-2.545-1.412-2.903-2.89-2.872-8.777-2.558-9.301-4.759-2.556-8.252-3.75713.029.5544.51926.369-2.2132.495-3.257-0.488
us-gaap:OperatingExpenses ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁█▁▂▁▂167.146168.868147.544135.508126.315131.876128.985127.413129.869129.23127.302130.951133.419132.022129.475123.926129.77126.042122.894122.172121.755119.804126.32127.758133.26135.746128.106131.39127.662134.64139.227124.732113.549569.53797.603166.30179.279115.308
us-gaap:OperatingIncomeLoss ███▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▁▇▆▇▆137.803121.809113.49297.24576.62770.9679.31775.54870.85857.73264.24181.83778.87779.98681.24680.6366.50358.03258.58761.90959.01354.72565.68870.55578.31367.82977.9181.01680.82567.15258.36653.3648.384-421.31439.433-38.21841.5074.365
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▄▅█▆▄▁█▃▃▅▃▄▂▆▅▅▆▅▃▃▂▄▄▃▆▃▃▃▅▄▅▅▄▃▄▅▄▅0.0640.1731.2240.794-0.044-1.2421.394-0.58-0.460.378-0.384-0.208-1.0420.6320.1260.4220.5230.206-0.601-0.32-0.922-0.287-0.296-0.4020.534-0.422-0.32-0.4580.2150.0530.1440.3710.004-0.3220.0170.087-0.0620.091
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▅▇▆▅▄▇▄▅▆▅▅▄▆▅▆▆▅▄▅▄▅▅▃▆▅▅▄▆▅▁▇▅▆▄▇▄█0.0640.1731.2240.794-0.044-1.2421.394-0.58-0.460.378-0.384-0.208-1.0420.6320.0810.7670.6430.169-0.774-0.401-0.741-0.3130.067-1.6370.451-0.192-0.334-1.2860.50.074-3.2751.3750.1010.467-0.6161.32-0.8592.126
us-gaap:ProfitLoss █▇█▆▆▅▆▅▅▅▅▆▆▆▃▅▅▅▅▅▅▄▅▅▅▅▅▅▆▅▅▅▅▄▄▁▄▃118.881104.618108.4684.69371.70743.64369.45462.21259.97349.81848.16466.71767.64571.6640.8458.50948.83342.55543.8245.38743.47640.31849.25450.14859.25853.44659.51563.12563.92352.18762.14256.0947.0334.94836.995-35.96638.0033.545
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▆▅▄▄▄▄▄▄▄▅▄▄▄▄▄▃▃▃▃▃▄▄▄▄▄▅▄▄▄▃▃▂▂▁▁▁304.949290.677261.036232.753202.942202.836208.302202.961200.727186.962191.543212.788212.296212.008210.721204.556196.273184.074181.481184.081180.768174.529192.008198.313211.573203.575206.016212.406208.487201.792197.593178.092161.933148.223137.036128.083120.786119.673
us-gaap:Revenues █▇▆▅▄▄▄▄▄▄▄▅▄▄▄▄▄▃▃▃▃▃▄▄▄▄▄▅▄▄▄▃▃▂▂▁▁▁304.949290.677261.036232.753202.942202.836208.302202.961200.727186.962191.543212.788212.296212.008210.721204.556196.273184.074181.481184.081180.768174.529192.008198.313211.573203.575206.016212.406208.487201.792197.593178.092161.933148.223137.036128.083120.786119.673
us-gaap:SellingAndMarketingExpense █▇▆▃▁▂▃▃▂▁▃▄▅▅7.9967.587.1576.2525.3555.5486.0025.9295.8365.4036.1396.5666.8477.009NANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:Assets ██▇▇▆▆▆▆▅▅▅▅▆▆▅▇▇▇▆▆▆▆▆▆▆▆▅▆▆▅▃▃▂▂▁1219.8141284.9441151.9621082.5391001.903973.994933.619965.953928.728906.51805.014876.302950.725954.183837.1551160.9211135.4141107.495936.1661006.971995.8971002.632946.5321010.8291018.291005.39849.452983.965932.574877.128581.398541.787490.961426.435287.56NANANA
us-gaap:Liabilities ▇█▇▇▆▆▅▆▅▅▄▅▅▅▄███▆▇▇▇▆▇▇▇▅▆▆▅▁▁▁▁▃888.892954.954867.167868.617830.07826.023752.008804.274783.171777.013630.178708.733740.494773.611666.509988.86980.581966.786818.452886.95880.648882.021829.981892.526906.261895.928741.953837.594808.243757.55449.087445.847428.743420.685603.081NANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▆▆▆▆▅▅▅▅▆▆▅▇▇▇▆▆▆▆▆▆▆▆▅▆▆▅▃▃▂▂▁1219.8141284.9441151.9621082.5391001.903973.994933.619965.953928.728906.51805.014876.302950.725954.183837.1551160.9211135.4141107.495936.1661006.971995.8971002.632946.5321010.8291018.291005.39849.452983.965932.574877.128581.398541.787490.961426.435287.56NANANA
us-gaap:StockholdersEquity ███▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▇▆▁220.257183.641180.477145.324120.907105.829132.957118.653105.08189.782135.044128.432110.77893.072109.923156.146146.677139.541131.711126.511124.124120.921130.045122.451118.392109.817110.87693.86479.65955.61643.77924.55950.0915.75-672.715NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities us-gaap:ConsolidatedEntityExcludingVie█▇▃▆▅▄▁▄▂228.738215.752154.987200.433190.855170.749134.621169.558152.622NA160.463NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityNotPrimaryBeneficiaryNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary▂█▆▄▁▁▂▁▁12.45565.34543.83429.884.86.6469.0053.7396.096NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities,us-gaap:FairValueByAssetClass,us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:VariableInterestEntityPrimaryBeneficiary,us-gaap:MoneyMarketFunds,us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurring█▁▄▃▁12.4444.277.8226.5344.7NA5.005NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities,us-gaap:FairValueByAssetClass,us-gaap:FairValueByMeasurementFrequency us-gaap:VariableInterestEntityPrimaryBeneficiary,us-gaap:MoneyMarketFunds,us-gaap:FairValueMeasurementsRecurring█▁▄▃▁12.4444.277.8226.5344.7NA5.005NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▆█▄▅▄▃▁▃▂▂▃▅▆▆▂▅▅▅▂241.822281.726199.45230.942196.284178.024144.255173.926159.347154.998175.535227.603237.612246.243159.796222.378218.02222.811157.406NANANA167.082NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:NoncurrentAssets NANA115.178NANANA126.65NANANA29.138NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:USNANA111.171NANANA121.146NANANA28.313NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical us-gaap:NonUsNANA4.007NANANA5.504NANANA0.825NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NANA73.45NANANA71.116NANANA60.671NANANA48.157NANANA44.69NANANA39.082NANANA33.634NANANA27.197NANANA24.159NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerEquipmentNANA6.768NANANA7.105NANANA8.0NANANA7.77NANANA8.197NANANA7.551NANANA5.91NANANA6.259NANANA5.32NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA12.267NANANA11.78NANANA10.566NANANA8.658NANANA7.92NANANA6.892NANANA6.654NANANA4.166NANANA3.637NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA49.038NANANA48.119NANANA37.551NANANA27.357NANANA23.207NANANA19.673NANANA17.049NANANA11.416NANANA10.585NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareAndSoftwareDevelopmentCostsNANA5.377NANANA4.112NANANA4.554NANANA4.372NANANA5.366NANANA4.966NANANA4.021NANANA5.356NANANA4.617NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA37.576NANANA31.621NANANA31.533NANANA27.132NANANA24.672NANANA21.087NANANA17.04NANANA18.437NANANA15.352NANANA
us-gaap:PropertyPlantAndEquipmentNet ▇▇▇▇▇▇███▆▅▅▄▄▄▄▃▄▃▄▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁37.36737.06835.87436.23437.56438.78239.49540.96341.14632.53129.13825.56220.80120.26221.02520.50820.10620.61720.01822.41919.46617.517.99515.59515.89715.88816.59414.00111.5459.9988.768.4918.7318.7788.807NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇▇▇▇▇▇▇▇██▁75.86979.19879.30481.90281.78384.39587.15588.84991.45895.9110.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi █▇▁▁▁37.08334.4642.8074.1973.575NA7.543NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:DebtAndCapitalLeaseObligations ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0290.0NANANA
us-gaap:MinorityInterest ████████████████████████████████▇▇▁20.20721.43410.5658.4124.8994.9195.5443.9932.1723.1685.4438.4562.9795.848-1.8580.646-4.5021.168-13.997-6.49-8.875-0.31-13.494-4.148-6.363-0.355-3.3771.094-7.29812.26338.0622.464-31.291-81.644-709.414NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA15.375NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA13.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA13.495NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA13.45NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA37.026NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:StockholdersEquity ███▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▇▆▁220.257183.641180.477145.324120.907105.829132.957118.653105.08189.782135.044128.432110.77893.072109.923156.146146.677139.541131.711126.511124.124120.921130.045122.451118.392109.817110.87693.86479.65955.61643.77924.55950.0915.75-672.715NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▇▇▅▅▄▅▅▄▄▅▅▄▄▄▆▅▅▄▄▄▅▄▄▄▄▄▅▅▄▅▄▃▂▁240.464205.075191.042153.736125.806110.748138.501122.646107.25392.95140.487136.888113.75798.92108.065156.792142.175140.709117.714120.021115.249120.611116.551118.303112.029109.462107.499146.371124.331119.578132.31195.9462.21842.8660.0NANANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassA██████▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▄▄▃▃▂▂▁0.6480.6480.6310.6140.6140.6060.5640.5630.5610.5560.5410.540.540.5350.5050.50.4970.4920.4210.4210.420.4130.3940.3940.3930.3910.3420.3410.3110.2910.1980.1430.1270.1270.0NANANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassB▂▂▂▂▂▃▃▃▃▃▃▃▃▄▄▄▄▄▅▅▅▆▆▆▆▆▇▇▇▇████▁0.0360.0380.0450.0550.0560.060.0780.0780.0790.080.0860.0870.0880.0970.1190.1230.1240.1280.1510.1670.1690.1760.1830.1830.1830.1840.2150.2150.2160.2160.2530.2560.2580.2630.0NANANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassC▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▅▅▅▅▅▅▅▅▅▆▆▇███▁0.1060.1060.110.1160.1160.120.1360.1370.1380.1420.1420.1420.1420.1380.1320.1330.1350.1360.1710.1570.1560.1560.1570.1570.1580.1590.1720.1730.1880.2040.2520.290.2880.2840.0NANANA
us-gaap:AdditionalPaidInCapital ▇▇▇▆▆▆▆▆▆▅▆▆▆▆██▇▇▇▇▇▇▇▇▆▆▆▆▆▅▃▁▂▂▃119.855114.757107.73894.74588.09886.22489.14983.55276.94469.47197.55390.60982.79189.001147.91136.413128.77126.965119.221114.402111.944110.029116.448111.353101.45199.4193.52478.89783.31365.4856.388-60.305-34.826-39.0020.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▆▇▆▅▄▅▅▄▄▅▅▄▃▁▄▄▄▄▄▄▃▄▃▄▃▄▄▃▂▃▃▃▃▃100.42968.9672.94451.71534.56221.29444.45536.75229.36521.19138.61738.67828.6944.04-37.8719.918.53613.59613.39512.58812.44410.70613.23810.73215.849.55816.41713.878-5.173-24.4191.4018.6018.7482.950.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▃▂▁▁▂▁▂▂▂▂▂▃▃▃▂▂▂▃▃▃▄▄▄▄▄▄▅▅▄▅▅█▄-0.817-0.868-0.991-1.921-2.539-2.475-1.425-2.429-2.006-1.658-1.895-1.624-1.477-0.739-0.873-0.923-1.385-1.776-1.648-1.224-1.009-0.559-0.375-0.3680.3670.1150.2060.360.8040.5820.3780.8260.7483.4960.0NANANA
us-gaap:MinorityInterest ████████████████████████████████▇▇▁20.20721.43410.5658.4124.8994.9195.5443.9932.1723.1685.4438.4562.9795.848-1.8580.646-4.5021.168-13.997-6.49-8.875-0.31-13.494-4.148-6.363-0.355-3.3771.094-7.29812.26338.0622.464-31.291-81.644-709.414NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▄▂▂▂▂▂▂▂▄▂▂▂█▁▂▆▆0.00246.668-0.024-0.001-0.08662.8250.041-0.001-0.008-0.01-0.001-0.001-0.00821.299-0.006-0.005-0.033162.080.00.0-0.011-0.0110.0-0.002-0.002176.0160.0-0.056-0.645552.99-57.9120.0353.414353.414NANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▂▃▂▂▂▃▂▃▃▃▃▃▄▄▃▃▅▅▅▅▅▅▅▆▅▅▆▅▆████▁9.55410.89.0979.2478.9899.6958.6969.97712.07312.34911.22812.75715.16914.412.62212.6318.8118.8316.55918.48118.03918.91719.70920.4219.78619.60520.14819.34420.48628.27827.75926.83928.3484.498NANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▃▁▂▂▂▁▂▂▂▂▂▂▃▂▃▂▃▁▃▃▄▂▄▃▅▄▅▄▆█▆▄▁30.38711.87325.5620.92322.24617.07624.6921.82825.73322.59125.01622.67433.06122.68333.93527.138.23916.5338.54332.90943.09519.32947.00138.51754.55242.10553.28346.36974.18193.00564.68745.99213.577NANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄█▃▅▅▆▃▅▅▅▂▅▅▇▁▅▄▆▃▅▄▆▃▅▅▆▄▅▅▇▂▄▅▁▂▃▃▄66.731192.77619.95694.78383.441120.49731.2178.94688.78393.8545.07587.28873.635167.324-45.55680.26250.371118.99612.10174.17372.399111.68722.6184.31985.601128.70971.96190.99987.894147.222-5.59271.24875.511-29.001-8.328.6438.19571.521
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▁▆▅█▆▅▅▃▄▄▄▅▅▅▄▄▆▆▅▅▅▄▅▄▅▆▆▅▃█▅▄▅▅▅▅▅-2.343-22.7292.525-0.71813.373.575-0.836-2.404-9.428-4.838-5.226-6.352-1.934-0.829-1.486-4.058-3.84.6412.481-0.675-3.164-0.711-3.7040.936-7.168-1.3893.6872.903-2.431-11.93515.707-0.594-3.718-2.6541.643-0.959-0.532-1.164
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▄▄▃▃▂▃▃▃▂▄▄▃▃▅▃▃▃▃▃▃▃▃▃▃▂▂▃▂▁▃▄▅█▅▄▄▄-104.292-52.948-53.973-59.407-78.551-90.303-60.045-61.963-75.006-109.553-51.917-51.186-80.332-80.048-18.308-63.826-78.495-58.232-70.414-58.678-89.362-59.253-70.384-83.048-78.078-94.495-121.339-69.503-90.258-138.755-74.203-52.131-13.49289.599-8.216-43.733-29.545-33.347
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:AmortizationOfFinancingCosts ▄▄▄▁▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▆██0.1180.1180.1180.0680.1180.1180.1180.1160.1150.1140.1140.1140.1150.1140.1160.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1120.1560.1810.182
us-gaap:DeferredIncomeTaxExpenseBenefit ▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁10.1689.7774.2927.828.9976.8817.574-15.2157.5047.4935.3955.7616.4557.252365.83110.9818.9479.6578.8778.2358.7298.1188.390.378.337-0.5766.7068.1470.1762.542.1291.2093.4012.6460.00.00.00.0
us-gaap:DepreciationDepletionAndAmortization █▇▇█▇▇▇▇▇▆▆█▅▅▆▅▅▅▆▆▅▅▆▄▄▄▃▃▂▂▃▃▂▂▂▁▁▁1.6941.5541.6581.7051.6381.6241.6661.61.4961.4711.4111.7551.2371.2651.4381.311.2921.2571.4561.3991.241.1771.3421.0911.0471.0390.9570.870.730.6930.9410.8210.7650.6980.7570.5840.5440.516
us-gaap:IncreaseDecreaseInAccountsReceivable ▃▁▅▆▄█▂▅▆▇▂▅▅▄▅▆▆▅▃▅▆▄▃▂▇▄▅▅▅▄▆▆▅▆▅▅▅▅-6.615-15.1511.4654.317-2.60314.841-9.4454.1057.95211.566-9.1280.02.061-1.9353.0215.9154.3583.661-5.7852.76.433-3.666-7.51-9.15710.314-2.952.1632.5132.814-1.8914.3635.5552.3625.459-0.1283.0711.9981.664
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄█▃▅▅▆▃▅▅▅▂▅▅▇▁▅▄▆▃▅▄▆▃▅▅▆▄▅▅▇▂▄▅▁▂▃▃▄66.731192.77619.95694.78383.441120.49731.2178.94688.78393.8545.07587.28873.635167.324-45.55680.26250.371118.99612.10174.17372.399111.68722.6184.31985.601128.70971.96190.99987.894147.222-5.59271.24875.511-29.001-8.328.6438.19571.521
us-gaap:NetIncomeLoss █▇▇▆▅▅▅▅▅▅▅▅▅▅▁▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃88.20777.27873.11458.52746.15134.82544.55341.25639.18831.53932.51142.51842.00641.274-27.49330.66526.63219.79519.29919.08618.38416.26120.07718.47423.73619.51421.29420.43919.268.63610.0825.9775.7982.950.00.00.00.0
us-gaap:ProfitLoss █▇█▆▆▅▆▅▅▅▅▆▆▆▃▅▅▅▅▅▅▄▅▅▅▅▅▅▆▅▅▅▅▄▄▁▄▃118.881104.618108.4684.69371.70743.64369.45462.21259.97349.81848.16466.71767.64571.6640.8458.50948.83342.55543.8245.38743.47640.31849.25450.14859.25853.44659.51563.12563.92352.18762.14256.0947.0334.94836.995-35.96638.0033.545
us-gaap:ShareBasedCompensation █▁10.1819.887NANA9.0659.187NANANANANANANANANA12.6318.8118.83NA18.48118.03918.917NA20.4219.78619.60520.14819.34420.48628.27827.7626.83723.851576.9690.00.00.00.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▁▆▅█▆▅▅▃▄▄▄▅▅▅▄▄▆▆▅▅▅▄▅▄▅▆▆▅▃█▅▄▅▅▅▅▅-2.343-22.7292.525-0.71813.373.575-0.836-2.404-9.428-4.838-5.226-6.352-1.934-0.829-1.486-4.058-3.84.6412.481-0.675-3.164-0.711-3.7040.936-7.168-1.3893.6872.903-2.431-11.93515.707-0.594-3.718-2.6541.643-0.959-0.532-1.164
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄▃▄▃▃▄▃▄▅▅▅▄▃▃▃▃▃▃▃▁█▄▇▃▄▄▄▅▅▄▄▃▃▃▄▄▃▄0.9350.4080.6770.430.3110.6310.540.5861.0881.2841.2360.9960.3010.3010.2660.4890.470.3530.17-0.6792.7960.6462.1260.4930.5880.5871.031.3371.440.990.8930.5260.4850.4551.00.6340.3320.778
us-gaap:PaymentsToAcquireInvestments ▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▂▁▁▁▁▁▂▁▁▁▁▃▁▁▂▁▁▁▁▁0.033.820.0010.8890.01.260.00.010.00.00.250.250.00.00.02.03.00.254.00.00.0140.00.00.06.750.00.010.0210.010.00.00.03.02.00.00.00.00.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▄▄▃▃▂▃▃▃▂▄▄▃▃▅▃▃▃▃▃▃▃▃▃▃▂▂▃▂▁▃▄▅█▅▄▄▄-104.292-52.948-53.973-59.407-78.551-90.303-60.045-61.963-75.006-109.553-51.917-51.186-80.332-80.048-18.308-63.826-78.495-58.232-70.414-58.678-89.362-59.253-70.384-83.048-78.078-94.495-121.339-69.503-90.258-138.755-74.203-52.131-13.49289.599-8.216-43.733-29.545-33.347
us-gaap:PaymentsOfDividendsCommonStock ▆█▅▄▄▇▄▄▄█▄▄▄▇▃▃▃▄▃▃▃▄▃▃▃▅▃▂▂▅▂▁▁▁▁56.77781.30451.91541.39937.25372.43936.86833.91331.03186.36632.5932.55332.43270.20530.29830.12329.92840.67225.13925.34125.31439.5923.69823.6423.53753.07318.75517.916.37146.7788.4976.1240.00.00.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31

Common Stock Value

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:CommonStockValue

us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value648000.0648000.0631000.0614000.0614000.0606000.0564000.0563000.0561000.0556000.0541000.0540000.0540000.0535000.0505000.0500000.0497000.0492000.0421000.0421000.0420000.0413000.0394000.0394000.0393000.0391000.0342000.0341000.0311000.0291000.0198000.0143000.0127000.0127000.00
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value36000.038000.045000.055000.056000.060000.078000.078000.079000.080000.086000.087000.088000.097000.0119000.0123000.0124000.0128000.0151000.0167000.0169000.0176000.0183000.0183000.0183000.0184000.0215000.0215000.0216000.0216000.0253000.0256000.0258000.0263000.00
Percentage of CommonStockValue5.65.97.19.09.19.913.813.914.114.415.916.116.318.123.624.624.926.035.939.740.242.646.446.446.647.162.963.069.574.2127.8179.0203.1207.10.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.0
Percentage of Assets us-gaap:CommonClassB0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassC


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value106000.0106000.0110000.0116000.0116000.0120000.0136000.0137000.0138000.0142000.0142000.0142000.0142000.0138000.0132000.0133000.0135000.0136000.0171000.0157000.0156000.0156000.0157000.0157000.0158000.0159000.0172000.0173000.0188000.0204000.0252000.0290000.0288000.0284000.00
Percentage of CommonStockValue16.416.417.418.918.919.824.124.324.625.526.226.326.325.826.126.627.227.640.637.337.137.839.839.840.240.750.350.760.570.1127.3202.8226.8223.60.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.0
Percentage of Assets us-gaap:CommonClassC0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.331.191.180.930.720.530.780.710.570.770.720.75-0.670.610.450.370.420.410.380.350.470.440.50.430.580.570.42-2.29-3.040.420.380.19
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.331.191.180.930.720.530.780.710.570.42-2.29-3.040.350.380.19
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8877745946334540383132424141-27.44131271918181716201723192119198.849.6346.7165.8143.0210.00.00.00.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.926.60.025.422.716.721.920.119.317.016.819.919.419.7-13.015.213.810.710.410.39.99.210.58.911.39.510.39.49.34.44.93.83.62.00.00.00.00.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

apam:ArtisanPartnersHoldingsLP


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value25232521181522201917
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.48.20.09.38.97.810.910.19.89.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax apam:ArtisanPartnersHoldingsLP0.00.00.00.00.00.00.00.00.00.0

apam:ConsolidatedInvestmentProducts


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.0473.699104.6197.424-7.2942.5060.40.990.97
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest19.715.639.321.340.9-45.811.02.05.05.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.71.30.02.03.7-3.61.20.20.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax apam:ConsolidatedInvestmentProducts0.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value11810410985714270615950476666720.921594942434442404948595359616452585747-397.86236-34.646375.671
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 RevenueFromContractWithCustomerExcludingAssessedTax39.036.10.036.735.320.934.030.429.626.824.931.331.434.10.429.025.223.223.724.423.622.925.724.528.226.228.729.130.925.929.832.329.1-268.426.5-27.030.84.7

Gain Loss On Investments

us-gaap:GainLossOnInvestments us-gaap:AwardType, us-gaap:IncomeStatementLocation

us-gaap:GainLossOnInvestments

apam:LongTermCashAwards, us-gaap:NonoperatingIncomeExpense


Gain
Period End2021-06-30
Value-2.578
Percentage of GainLossOnInvestments100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax apam:LongTermCashAwards us-gaap:NonoperatingIncomeExpense0.0

us-gaap:GainLossOnInvestments us-gaap:ConsolidatedEntities

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.9560.3720.9470.5731.164-2.3792.964
Percentage of GainLossOnInvestments-153.50.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.30.10.00.20.6-1.21.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE0.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntityExcludingVie


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value3.9350.1960.5781.174-2.2571.007
Percentage of GainLossOnInvestments-152.60.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.30.10.20.6-1.10.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidatedEntityExcludingVie0.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value8.3286.916187.79812-12.9245.0760.6192.043
Percentage of GainLossOnInvestments-323.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.72.40.03.46.3-6.42.40.31.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value14712612510387538354715957807983372796355566056516261755873787263716252-394.94537-35.723383.877
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.343.40.044.343.326.240.227.035.631.729.938.037.539.6176.639.132.530.030.932.931.029.732.731.235.828.835.536.934.831.436.135.332.7-266.527.2-27.931.73.2

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value28211618169.45114-7.355119.4429.154141112371211412121512111311165.08213158.65119.2446.8245.8734.4490.2250.2430.2470.332
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.37.40.07.98.04.76.8-3.65.75.14.86.75.65.8176.210.57.66.96.78.27.06.67.15.97.82.56.67.24.15.64.73.83.63.00.20.20.20.3

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2.722.6852.6862.7182.7152.6852.6922.762.8272.7752.7782.8232.8462.7762.7782.872.922.8812.892.9242.9342.9052.8782.9712.9782.8792.8822.9052.9022.8832.8832.8852.8913.213.2962.9142.5522.68
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.90.01.21.31.31.31.41.41.51.51.31.31.31.31.41.51.61.61.61.61.71.51.51.41.41.41.41.41.41.51.61.82.22.42.32.12.2

Interest Expense Debt

us-gaap:InterestExpenseDebt

us-gaap:InterestExpenseDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2.52.62.62.62.52.62.62.62.62.72.62.72.62.72.72.72.82.82.82.82.72.82.82.82.72.82.82.82.72.82.7722.7662.7693.0933.1562.6262.0722.246
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.90.01.11.21.31.21.31.31.41.41.31.21.31.31.31.41.51.51.51.51.61.51.41.31.41.41.31.31.41.41.61.72.12.32.11.71.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8877735846344441393132424241-27.49330261919191816201823192120198.636105.9775.7982.950.00.00.00.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.926.60.025.122.717.221.420.319.516.917.020.019.819.5-13.015.013.610.810.610.410.29.310.59.311.29.610.39.69.24.35.13.43.62.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value7970665240273936332328373535-31.4332820151615141317151813161711-46.193-40.5335.3274.8252.455
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.124.10.022.619.813.819.218.116.912.714.917.816.616.7-14.913.710.38.39.18.57.97.59.18.08.66.98.08.15.5-22.9-20.53.03.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value9.5434.427115.89611-17.8664.375-20.6910.5991.528-6.923-0.9480.7553.963290-0.642-2.729-2.728-2.545-1.412-2.903-2.89-2.872-8.777-2.558-9.301-4.759-2.556-8.252-3.757139.5544.51926-2.2132.495-3.257-0.488
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.11.50.02.55.6-8.82.1-10.20.30.8-3.6-0.40.41.9138.1-0.3-1.4-1.5-1.4-0.8-1.6-1.7-1.5-4.4-1.2-4.6-2.3-1.2-4.0-1.96.65.42.817.8-1.61.9-2.7-0.4

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1671681471351261311281271291291271301331321291231291261221221211191261271331351281311271341391241135699716679115
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.858.10.058.262.265.061.962.864.769.166.561.562.862.361.460.666.168.567.766.467.468.665.864.463.066.762.261.961.266.770.570.070.1384.271.2129.865.696.4

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value137121113977670797570576481787981806658586159546570786777818067585348-421.31439-38.218414.365
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.241.90.041.837.835.038.137.235.330.933.538.537.237.738.639.433.931.532.333.632.631.434.235.637.033.337.838.138.833.329.530.029.9-284.228.8-29.834.43.6

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value64000.0173000.01224000.0794000.0-44000.0-1242000.01394000.0-580000.0-460000.0378000.0-384000.0-208000.0-1042000.0632000.0126000.0422000.0523000.0206000.0-601000.0-320000.0-922000.0-287000.0-296000.0-402000.0534000.0-422000.0-320000.0-458000.0215000.053000.0144000.0371000.04000.0-322000.017000.087000.0-62000.091000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.3-0.0-0.60.7-0.3-0.20.2-0.2-0.1-0.50.30.10.20.30.1-0.3-0.2-0.5-0.2-0.2-0.20.3-0.2-0.2-0.20.10.00.10.20.0-0.20.00.1-0.10.1

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-312012-09-302012-06-302012-03-31
Value64000.0173000.01224000.0794000.0-44000.0-1242000.01394000.0-580000.0-460000.0378000.0-384000.0-208000.0-1042000.0632000.081000.0767000.0643000.0169000.0-774000.0-401000.0-741000.0-313000.067000.0-1637000.0451000.0-192000.0-334000.0-1286000.0500000.074000.0-3275000.01375000.0101000.0467000.01065000.0-616000.01320000.0-859000.02126000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.3-0.0-0.60.7-0.3-0.20.2-0.2-0.1-0.50.30.00.40.30.1-0.4-0.2-0.4-0.20.0-0.80.2-0.1-0.2-0.60.20.0-1.70.80.10.00.0-0.41.0-0.71.8

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-312012-09-302012-06-302012-03-31
Value11810410884714369625949486667710.8458484243454340495059535963635262564734-434.34236-35.966383.545
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.036.00.036.435.321.533.330.729.926.625.131.431.933.80.428.624.923.124.124.724.123.125.725.328.026.328.929.730.725.931.431.529.00.00.027.0-28.131.53.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-12
Value25232521181622201917172423262627222224262524293135334043454450446927-434.342
Percentage of ProfitLoss21.622.623.325.425.336.932.233.033.034.736.736.034.536.43196.146.545.553.556.057.957.759.759.263.259.963.567.568.571.384.681.379.5148.177.9100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.48.10.09.38.97.910.810.19.99.39.211.311.012.312.713.311.312.413.514.313.913.815.216.016.816.719.520.421.821.925.625.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value8877735846344441393132424241-27.49330261919191816201823192120198.636105.9778.7482.95
Percentage of ProfitLoss74.273.967.469.164.479.864.166.365.363.367.563.762.157.6-3273.052.454.546.544.042.142.340.340.836.840.136.535.832.430.116.516.210.718.68.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.926.60.025.122.717.221.420.319.516.917.020.019.819.5-13.015.013.610.810.610.410.29.310.59.311.29.610.39.69.24.35.13.40.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value304290261232202202208202200186191212212212210204196184181184180174192198211203206212208201197178161148137128120119
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MajorCustomers, us-gaap:ProductOrService

apam:ArtisanFunds, us-gaap:AssetManagement1


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value176165147131109114118115112106111125125125124121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax58.057.056.456.754.156.556.857.155.856.858.158.958.959.159.259.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax58.057.056.456.754.156.556.857.155.856.858.158.958.959.159.259.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax apam:ArtisanFunds us-gaap:AssetManagement1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:ArtisanGlobalFunds, us-gaap:AssetManagement1


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value11109.6478.4557.3138.1168.0988.0628.0378.1358.4539.098.9428.5227.927.672
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.73.73.63.64.03.94.04.04.44.44.34.24.03.83.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.73.73.63.64.03.94.04.04.44.44.34.24.03.83.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax apam:ArtisanGlobalFunds us-gaap:AssetManagement1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:ArtisanGlobalFunds, us-gaap:InvestmentPerformance


Revenue
Period End2020-12-312020-09-30
Value0.0010.014
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax apam:ArtisanGlobalFunds us-gaap:InvestmentPerformance100.0100.0

apam:SeparateAccounts, us-gaap:AssetManagement1


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value11210710092777781787672717876787875
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.836.938.539.638.438.039.338.838.038.837.236.835.836.937.037.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.836.938.539.638.438.039.338.838.038.837.236.835.836.937.037.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax apam:SeparateAccounts us-gaap:AssetManagement1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:SeparateAccounts, us-gaap:InvestmentPerformance


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.0796.7123.4380.2658.0152.9320.0340.1554.3270.0980.5970.052.2670.0420.010.016
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.32.31.30.13.91.40.00.12.20.10.30.01.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.32.31.30.13.91.40.00.12.20.10.30.01.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax apam:SeparateAccounts us-gaap:InvestmentPerformance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

us-gaap:AssetManagement1


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value300283257232194199208202196186190212210211210204
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax98.797.798.799.996.198.6100.099.997.899.999.7100.098.9100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax98.797.798.799.996.198.6100.099.997.899.999.7100.098.9100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AssetManagement1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentPerformance


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.0796.7123.4390.2798.0152.9320.0340.1554.3270.0980.5970.052.2670.0420.010.016
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.32.31.30.13.91.40.00.12.20.10.30.01.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.32.31.30.13.91.40.00.12.20.10.30.01.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentPerformance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value304290261232202202208202200186191212212212210204196184181184180174192198211203206212208201197178161148137128120119
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling And Marketing Expense

us-gaap:SellingAndMarketingExpense

us-gaap:SellingAndMarketingExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.9967.587.1576.2525.3555.5486.0025.9295.8365.4036.1396.5666.8477.009
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.62.72.72.62.72.92.92.92.93.23.13.23.3

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1219128411511082100197393396592890680587695095483711601135110793610069951002946101010181005849983932877581541490426287
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsus-gaap:
Period End2021-01-01
Value98
Percentage of Assets0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value888954867868830826752804783777630708740773666988980966818886880882829892906895741837808757449445428420603
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets72.974.375.380.282.884.880.583.384.385.778.380.977.981.179.685.286.487.387.488.188.488.087.788.389.089.187.385.186.786.477.282.387.398.7209.7

us-gaap:Liabilities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-01-01
Value77
Percentage of Liabilities0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary78.9

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1219128411511082100197393396592890680587695095483711601135110793610069951002946101010181005849983932877581541490426287
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Liabilities
Period End2021-01-01
Value98
Percentage of LiabilitiesAndStockholdersEquity0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-31
Value22018318014512010513211810589135128110931091561461391311261241201301221181091109379554324505.75-332.297-672.715
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.114.315.713.412.110.914.212.311.39.916.814.711.79.813.113.512.912.614.112.612.512.113.712.111.610.913.19.58.56.37.54.510.21.30.0-233.9

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:ConsolidatedEntityExcludingVie


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value228215154200190170134169152160
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.816.813.518.519.017.514.417.616.419.9
Percentage of Assets us-gaap:ConsolidatedEntityExcludingVie0.00.00.00.00.00.00.00.00.00.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Cash
Period End2021-01-01
Value34
Percentage of CashAndCashEquivalentsAtCarryingValue0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary35.4

us-gaap:VariableInterestEntityPrimaryBeneficiary


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value126543294.86.6469.0053.7396.096
Percentage of CashAndCashEquivalentsAtCarryingValue5.430.328.314.92.53.96.72.24.0
Percentage of Assets1.05.13.82.80.50.71.00.40.7
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:MoneyMarketFunds, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value124.277.8226.5344.75.005
Percentage of CashAndCashEquivalentsAtCarryingValue5.42.05.03.32.53.7
Percentage of Assets1.00.30.70.60.50.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:MoneyMarketFunds us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:MoneyMarketFunds, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value124.277.8226.5344.75.005
Percentage of CashAndCashEquivalentsAtCarryingValue5.42.05.03.32.53.7
Percentage of Assets1.00.30.70.60.50.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:MoneyMarketFunds us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value241281199230196178144173159154175227237246159222218222157167
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.821.917.321.319.618.315.518.017.217.121.826.025.025.819.119.219.220.116.817.7

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value11512629
Percentage of NoncurrentAssets100.0100.0100.0
Percentage of Assets10.013.63.6

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:US


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value11112128
Percentage of NoncurrentAssets96.595.797.2
Percentage of Assets9.713.03.5
Percentage of Assets country:US0.00.00.0

us-gaap:NonUs


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value4.0075.5040.825
Percentage of NoncurrentAssets3.54.32.8
Percentage of Assets0.30.60.1
Percentage of Assets us-gaap:NonUs0.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value737160484439332724
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.47.67.55.84.84.14.04.78.4

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ComputerEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value6.7687.1058.07.778.1977.5515.916.2595.32
Percentage of PropertyPlantAndEquipmentGross9.210.013.216.118.319.317.623.022.0
Percentage of Assets0.60.81.00.90.90.80.71.11.9
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1211108.6587.926.8926.6544.1663.637
Percentage of PropertyPlantAndEquipmentGross16.716.617.418.017.717.619.815.315.1
Percentage of Assets1.11.31.31.00.80.70.80.71.3
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value494837272319171110
Percentage of PropertyPlantAndEquipmentGross66.867.761.956.851.950.350.742.043.8
Percentage of Assets4.35.24.73.32.52.12.02.03.7
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value5.3774.1124.5544.3725.3664.9664.0215.3564.617
Percentage of PropertyPlantAndEquipmentGross7.35.87.59.112.012.712.019.719.1
Percentage of Assets0.50.40.60.50.60.50.50.91.6
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value373131272421171815
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.33.43.93.22.62.22.03.25.3

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value37373536373839404132292520202120202020221917171515151614119.9988.768.4918.7318.7788.807
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.12.93.13.33.74.04.24.24.43.63.62.92.22.12.51.81.81.92.12.22.01.71.91.51.61.62.01.41.21.11.51.61.82.13.1

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value757979818184878891950.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets6.26.26.97.68.28.79.39.29.810.60.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value37342.8074.1973.5757.543
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0
Percentage of Assets3.02.70.20.40.40.8

Other Assets

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

us-gaap:OtherAssets

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Other
Period End2021-01-01
Value1.769
Percentage of OtherAssets100.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary1.8

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value2.9331.5573.5872.6592.7971.647
Percentage of OtherAssets0.00.00.00.00.00.0
Percentage of Assets0.20.10.30.20.30.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.0

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200290
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.415.617.418.520.020.521.420.721.522.124.822.821.021.023.917.217.618.121.419.920.119.921.119.819.619.923.520.321.422.834.436.940.746.9100.8

us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument, us-gaap:LongtermDebtType

apam:SeriesDSeniorNotes, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value606060606060606060606060606060600.0
Percentage of DebtAndCapitalLeaseObligations30.030.030.030.030.030.030.030.030.030.030.030.030.030.030.030.00.0
Percentage of Assets4.94.75.25.56.06.26.46.26.56.67.56.86.36.37.25.20.0
Percentage of Assets apam:SeriesDSeniorNotes us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

apam:SeriesESeniorNotes, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value50505050505050500.0
Percentage of DebtAndCapitalLeaseObligations25.025.025.025.025.025.025.025.00.0
Percentage of Assets4.13.94.34.65.05.15.45.20.0
Percentage of Assets apam:SeriesESeniorNotes us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2021108.4124.8994.9195.5443.9932.1723.1685.4438.4562.9795.848-1.8580.646-4.5021.168-13.997-6.49-8.875-0.31-13.494-4.148-6.363-0.355-3.3771.094-7.298123822-31.291-81.644-709.414
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.70.90.80.50.50.60.40.20.30.71.00.30.6-0.20.1-0.40.1-1.5-0.6-0.9-0.0-1.4-0.4-0.6-0.0-0.40.1-0.81.46.54.1-6.4-19.1-246.7

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value15
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets1.3

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value13
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets1.2

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value13
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets1.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value13
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets1.2

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value37
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets3.2

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8892929594971011021051070.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets7.37.28.08.89.510.010.810.611.411.90.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value109
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets9.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value17
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets1.5

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-31
Value22018318014512010513211810589135128110931091561461391311261241201301221181091109379554324505.75-332.297-672.715
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.114.315.713.412.110.914.212.311.39.916.814.711.79.813.113.512.912.614.112.612.512.113.712.111.610.913.19.58.56.37.54.510.21.30.0-233.9

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-312011-12-312010-12-31
Value2402051911531251101381221079214013611398108156142140117120115120116118112109107146124119132956242-332.2970.0-641.092-736.578
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0
Percentage of Assets19.716.016.614.212.611.414.812.711.510.317.515.612.010.412.913.512.512.712.611.911.612.012.311.711.010.912.714.913.313.622.817.712.710.10.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-03-122012-12-31
Value0.6480.6480.6310.6140.6140.6060.5640.5630.5610.5560.5410.540.540.5350.5050.50.4970.4920.4210.4210.420.4130.3940.3940.3910.3910.3420.3410.1980.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.30.30.30.40.50.50.40.50.50.60.40.40.50.50.50.30.30.30.40.40.40.30.30.30.30.40.30.20.1-0.00.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB, us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-03-122012-12-31
Value0.0360.0380.0450.0550.0560.060.0780.0780.0790.080.0860.0870.0880.0970.1190.1230.1240.1280.1510.1670.1690.1760.1830.1830.1840.1840.2150.2150.2530.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.10.2-0.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassB us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassC, us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-03-122012-12-31
Value0.1060.1060.110.1160.1160.120.1360.1370.1380.1420.1420.1420.1420.1380.1320.1330.1350.1360.1710.1570.1560.1560.1570.1570.1590.1590.1720.1730.2520.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.10.10.10.10.10.10.10.10.20.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.10.2-0.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassC us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-312011-12-312010-12-31
Value-0.817-0.868-0.991-1.921-2.539-2.475-1.425-2.429-2.006-1.658-1.895-1.624-1.477-0.739-0.873-0.923-1.385-1.776-1.648-1.224-1.009-0.559-0.375-0.3680.3670.1150.2060.360.8040.5820.3780.8260.7483.4960.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.3-0.4-0.5-1.2-2.0-2.2-1.0-2.0-1.9-1.8-1.3-1.2-1.3-0.7-0.8-0.6-1.0-1.3-1.4-1.0-0.9-0.5-0.3-0.30.30.10.20.20.60.50.30.91.28.2-0.00.0-0.0-0.0
Percentage of Assets-0.1-0.1-0.1-0.2-0.3-0.3-0.2-0.3-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.2-0.2-0.1-0.1-0.1-0.0-0.00.00.00.00.00.10.10.10.20.20.80.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-312011-12-312010-12-31
Value119114107948886898376699790828914713612812611911411111011611110199937883656.388-60.305-34.826-39.0020.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest49.856.056.461.670.077.964.468.171.774.769.466.272.890.0136.987.090.690.2101.395.397.191.299.994.190.690.887.053.967.054.84.8-62.9-56.0-91.0-0.00.0-0.0-0.0
Percentage of Assets9.88.99.48.88.88.99.58.68.37.712.110.38.79.317.711.811.311.512.711.411.211.012.311.010.09.911.08.08.97.51.1-11.1-7.1-9.10.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-312011-12-312010-12-31
Value2021108.4124.8994.9195.5443.9932.1723.1685.4438.4562.9795.848-1.8580.646-4.5021.168-13.997-6.49-8.875-0.31-13.494-4.148-6.363-0.355-3.3771.094-7.298123822-31.291-81.644-368.996-709.414-664.259-736.578
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest8.410.55.55.53.94.44.03.32.03.43.96.22.65.9-1.70.4-3.20.8-11.9-5.4-7.7-0.3-11.6-3.5-5.7-0.3-3.10.7-5.910.328.823.4-50.3-190.5111.00.0103.6100.0
Percentage of Assets1.71.70.90.80.50.50.60.40.20.30.71.00.30.6-0.20.1-0.40.1-1.5-0.6-0.9-0.0-1.4-0.4-0.6-0.0-0.40.1-0.81.46.54.1-6.4-19.10.0-246.70.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-312011-12-312010-12-31
Value1006872513421443629213838284.04-37.87191813131212101310159.5581613-5.173-24.4191.4018.6018.7482.950.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest41.833.638.233.627.519.232.130.027.422.827.528.325.24.1-35.012.713.09.711.410.510.88.911.49.114.18.715.39.5-4.2-20.41.19.014.16.9-0.00.0-0.0-0.0
Percentage of Assets8.25.46.34.83.42.24.83.83.22.34.84.43.00.4-4.51.71.61.21.41.31.21.11.41.11.61.01.91.4-0.6-2.80.21.61.80.70.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:CommonStockValue

us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value648000.0648000.0631000.0614000.0614000.0606000.0564000.0563000.0561000.0556000.0541000.0540000.0540000.0535000.0505000.0500000.0497000.0492000.0421000.0421000.0420000.0413000.0394000.0394000.0393000.0391000.0342000.0341000.0311000.0291000.0198000.0143000.0127000.0127000.00
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value36000.038000.045000.055000.056000.060000.078000.078000.079000.080000.086000.087000.088000.097000.0119000.0123000.0124000.0128000.0151000.0167000.0169000.0176000.0183000.0183000.0183000.0184000.0215000.0215000.0216000.0216000.0253000.0256000.0258000.0263000.00
Percentage of CommonStockValue5.65.97.19.09.19.913.813.914.114.415.916.116.318.123.624.624.926.035.939.740.242.646.446.446.647.162.963.069.574.2127.8179.0203.1207.10.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.0
Percentage of Assets us-gaap:CommonClassB0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassC


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value106000.0106000.0110000.0116000.0116000.0120000.0136000.0137000.0138000.0142000.0142000.0142000.0142000.0138000.0132000.0133000.0135000.0136000.0171000.0157000.0156000.0156000.0157000.0157000.0158000.0159000.0172000.0173000.0188000.0204000.0252000.0290000.0288000.0284000.00
Percentage of CommonStockValue16.416.417.418.918.919.824.124.324.625.526.226.326.325.826.126.627.227.640.637.337.137.839.839.840.240.750.350.760.570.1127.3202.8226.8223.60.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.0
Percentage of Assets us-gaap:CommonClassC0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value119114107948886898376699790828914713612812611911411111011611110199937883656.388-60.305-34.826-39.0020.0
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets9.88.99.48.88.88.99.58.68.37.712.110.38.79.317.711.811.311.512.711.411.211.012.311.010.09.911.08.08.97.51.1-11.1-7.1-9.10.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1006872513421443629213838284.04-37.87191813131212101310159.5581613-5.173-24.4191.4018.6018.7482.950.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets8.25.46.34.83.42.24.83.83.22.34.84.43.00.4-4.51.71.61.21.41.31.21.11.41.11.61.01.91.4-0.6-2.80.21.61.80.70.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-817000.0-868000.0-991000.0-1921000.0-2539000.0-2475000.0-1425000.0-2429000.0-2006000.0-1658000.0-1895000.0-1624000.0-1477000.0-739000.0-873000.0-923000.0-1385000.0-1776000.0-1648000.0-1224000.0-1009000.0-559000.0-375000.0-368000.0367000.0115000.0206000.0360000.0804000.0582000.0378000.0826000.0748000.03496000.00
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets-0.1-0.1-0.1-0.2-0.3-0.3-0.2-0.3-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.2-0.2-0.1-0.1-0.1-0.0-0.00.00.00.00.00.10.10.10.20.20.80.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2021108.4124.8994.9195.5443.9932.1723.1685.4438.4562.9795.848-1.8580.646-4.5021.168-13.997-6.49-8.875-0.31-13.494-4.148-6.363-0.355-3.3771.094-7.298123822-31.291-81.644-709.414
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.70.90.80.50.50.60.40.20.30.71.00.30.6-0.20.1-0.40.1-1.5-0.6-0.9-0.0-1.4-0.4-0.6-0.0-0.40.1-0.81.46.54.1-6.4-19.1-246.7

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.00246-0.024-0.001-0.086620.041-0.001-0.008-0.01-0.001-0.001-0.00821-0.006-0.005-0.0331620.00.0-0.011-0.0110.0-0.002-0.0021760.0-0.056-0.645552-57.9120.0353353
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.001-0.0010.00.0180.00.00.00.00.00.0060.00.00.00.0560.00.00.00.00.00.00.00.038-0.014
Percentage of StockIssuedDuringPeriodValueNewIssues-4.2100.0-0.00.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.00.00.00.0-0.0-0.00.0-0.0-0.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.00246-0.025-0.001-0.086620.041-0.001-0.008-0.01-0.001-0.001-0.00821-0.006-0.005-0.0331620.00.0-0.011-0.0110.0-0.002-0.0021750.014-0.07-0.663552
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0104.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.00.0125.0102.8100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value9.554109.0979.2478.9899.6958.6969.977121211121514121218181618181819201919201920282726284.498
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value7.8628.9077.1737.2496.9897.3916.37.2398.7398.997.8888.98810108.4198.37312119.431010101010109.8879.4598.7718.5889.3577.536.256.5851.374
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue82.382.578.978.477.876.272.472.672.472.870.370.570.369.766.766.365.758.556.956.856.457.354.053.953.750.446.945.341.933.127.123.323.230.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.6921.8931.9241.9982.02.3042.3962.7383.3343.3593.343.7694.4994.3574.2034.2576.4497.8067.1287.997.8748.4899.0699.4239.1669.718101011182020213.124
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue17.717.521.121.622.223.827.627.427.627.229.729.529.730.333.333.734.341.543.043.243.644.946.046.146.349.653.154.758.166.972.976.776.869.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-12
Value301125202217242125222522332233273816383243194738544253467493644513100
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-12
Value301125202217242125222522332233273816383243194738544253467493644513100
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value66192199483120317888935.0758773167-45.5568050118127472111228485128719087147-5.5927175-29.001-8.3283871
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.966.37.640.741.159.415.038.944.250.22.641.034.778.9-21.639.225.764.66.740.340.164.011.842.540.563.234.942.842.273.0-2.840.046.6-19.6-6.122.431.659.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-2.343-22.7292.525-0.718133.575-0.836-2.404-9.428-4.838-5.226-6.352-1.934-0.829-1.486-4.058-3.84.6412.481-0.675-3.164-0.711-3.7040.936-7.168-1.3893.6872.903-2.431-11.93515-0.594-3.718-2.6541.643-0.959-0.532-1.164
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-7.81.0-0.36.61.8-0.4-1.2-4.7-2.6-2.7-3.0-0.9-0.4-0.7-2.0-1.92.51.4-0.4-1.8-0.4-1.90.5-3.4-0.71.81.4-1.2-5.97.9-0.3-2.3-1.81.2-0.7-0.4-1.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-104.292-52.948-53.973-59.407-78.551-90.303-60.045-61.963-75.006-109.553-51.917-51.186-80.332-80.048-18.308-63.826-78.495-58.232-70.414-58.678-89.362-59.253-70.384-83.048-78.078-94.495-121.339-69.503-90.258-138.755-74.203-52.131-13.49289-8.216-43.733-29.545-33.347
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-34.2-18.2-20.7-25.5-38.7-44.5-28.8-30.5-37.4-58.6-27.1-24.1-37.8-37.8-8.7-31.2-40.0-31.6-38.8-31.9-49.4-34.0-36.7-41.9-36.9-46.4-58.9-32.7-43.3-68.8-37.6-29.3-8.360.4-6.0-34.1-24.5-27.9

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value118000.0118000.0118000.068000.0118000.0118000.0118000.0116000.0115000.0114000.0114000.0114000.0115000.0114000.0116000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0112000.0156000.0181000.0182000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value109.7774.2927.828.9976.8817.574-15.2157.5047.4935.3955.7616.4557.252365108.9479.6578.8778.2358.7298.1188.390.378.337-0.5766.7068.1470.1762.542.1291.2093.4012.6460.00.00.00.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1694000.01554000.01658000.01705000.01638000.01624000.01666000.01600000.01496000.01471000.01411000.01755000.01237000.01265000.01438000.01310000.01292000.01257000.01456000.01399000.01240000.01177000.01342000.01091000.01047000.01039000.0957000.0870000.0730000.0693000.0941000.0821000.0765000.0698000.0757000.0584000.0544000.0516000.0
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-6.615-15.1511.4654.317-2.60314-9.4454.1057.95211-9.1280.02.061-1.9353.0215.9154.3583.661-5.7852.76.433-3.666-7.51-9.15710-2.952.1632.5132.814-1.8914.3635.5552.3625.459-0.1283.0711.9981.664
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value66192199483120317888935.0758773167-45.5568050118127472111228485128719087147-5.5927175-29.001-8.3283871
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.966.37.640.741.159.415.038.944.250.22.641.034.778.9-21.639.225.764.66.740.340.164.011.842.540.563.234.942.842.273.0-2.840.046.6-19.6-6.122.431.659.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8877735846344441393132424241-27.49330261919191816201823192120198.636105.9775.7982.950.00.00.00.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.926.628.025.122.717.221.420.319.516.917.020.019.819.5-13.015.013.610.810.610.410.29.310.59.311.29.610.39.69.24.35.13.43.62.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-312012-09-302012-06-302012-03-31
Value11810410884714369625949486667710.8458484243454340495059535963635262564734-434.34236-35.966383.545
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.036.041.536.435.321.533.330.729.926.625.131.431.933.80.428.624.923.124.124.724.123.125.725.328.026.328.929.730.725.931.431.529.00.00.027.0-28.131.53.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-12
Value25232521181622201917172423262627222224262524293135334043454450446927-434.342
Percentage of ProfitLoss21.622.623.325.425.336.932.233.033.034.736.736.034.536.43196.146.545.553.556.057.957.759.759.263.259.963.567.568.571.384.681.379.5148.177.9100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.48.19.79.38.97.910.810.19.99.39.211.311.012.312.713.311.312.413.514.313.913.815.216.016.816.719.520.421.821.925.625.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value8877735846344441393132424241-27.49330261919191816201823192120198.636105.9778.7482.95
Percentage of ProfitLoss74.273.967.469.164.479.864.166.365.363.367.563.762.157.6-3273.052.454.546.544.042.142.340.340.836.840.136.535.832.430.116.516.210.718.68.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.926.628.025.122.717.221.420.319.516.917.020.019.819.5-13.015.013.610.810.610.410.29.310.59.311.29.610.39.69.24.35.13.40.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-06-302020-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value109.8879.0659.187121818181818201919201920282726235760.00.00.00.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ShareBasedCompensation us-gaap:AwardType

us-gaap:RestrictedStock


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value9.149.0659.1878.79.87811111112151312121211101110109.1429.7679.0358.5237.7486.9094.2334.2584.1283.4140.00.00.00.0
Percentage of ShareBasedCompensation0.0100.0100.00.00.00.00.00.00.00.00.00.099.065.762.50.062.759.954.90.047.845.743.538.535.720.715.114.912.70.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-2.343-22.7292.525-0.718133.575-0.836-2.404-9.428-4.838-5.226-6.352-1.934-0.829-1.486-4.058-3.84.6412.481-0.675-3.164-0.711-3.7040.936-7.168-1.3893.6872.903-2.431-11.93515-0.594-3.718-2.6541.643-0.959-0.532-1.164
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-7.81.0-0.36.61.8-0.4-1.2-4.7-2.6-2.7-3.0-0.9-0.4-0.7-2.0-1.92.51.4-0.4-1.8-0.4-1.90.5-3.4-0.71.81.4-1.2-5.97.9-0.3-2.3-1.81.2-0.7-0.4-1.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value935000.0408000.0677000.0430000.0311000.0631000.0540000.0586000.01088000.01284000.01236000.0996000.0301000.0301000.0266000.0489000.0470000.0353000.0170000.0-679000.02796000.0646000.02126000.0493000.0588000.0587000.01030000.01337000.01440000.0990000.0893000.0526000.0485000.0455000.01000000.0634000.0332000.0778000.0
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.0330.0010.8890.01.260.00.010.00.00.250.250.00.00.02.03.00.254.00.00.0140.00.00.06.750.00.010.0210.010.00.00.03.02.00.00.00.00.0
Percentage of PaymentsToAcquireInvestments0.0100.0100.0100.00.0100.00.0100.00.00.0100.0100.00.00.00.0100.0100.0100.0100.00.0100.00.00.00.0100.00.0100.0100.00.0100.00.00.0100.0100.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-104.292-52.948-53.973-59.407-78.551-90.303-60.045-61.963-75.006-109.553-51.917-51.186-80.332-80.048-18.308-63.826-78.495-58.232-70.414-58.678-89.362-59.253-70.384-83.048-78.078-94.495-121.339-69.503-90.258-138.755-74.203-52.131-13.49289-8.216-43.733-29.545-33.347
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-34.2-18.2-20.7-25.5-38.7-44.5-28.8-30.5-37.4-58.6-27.1-24.1-37.8-37.8-8.7-31.2-40.0-31.6-38.8-31.9-49.4-34.0-36.7-41.9-36.9-46.4-58.9-32.7-43.3-68.8-37.6-29.3-8.360.4-6.0-34.1-24.5-27.9

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value5681514137723633318632323270303029402525253923232353181716468.4976.1240.00.00.0
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.217.1-1.617.9170.0050.1780.03-0.0870.0010.1590.0010.0090.0020.1460.4890.0140.0020.231
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value4834914824584654664354414254284294334394404297827877886786846916876786876836875625635384741876464680.0
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1300000.01300000.01085000.01500000.01500000.01500000.01667000.02000000.000000000000
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.0

apam:AdjustmentstoPaidInCapitalEstablishmentofDeferredTaxAssetsNetOfAmountsPayableUnderTaxReceivableAgreements

apam:AdjustmentstoPaidInCapitalEstablishmentofDeferredTaxAssetsNetOfAmountsPayableUnderTaxReceivableAgreements


Adjustmentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.3953.4446.0820.1391.4157.1040.3780.180.4791.6790.1770.030.8983.2713.4551.0961.384191.77-0.0172.2844.402-0.0830.1711.163243.3265.4839.88645181.5341617
Percentage of AdjustmentstoPaidInCapitalEstablishmentofDeferredTaxAssetsNetOfAmountsPayableUnderTaxReceivableAgreements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:AdjustmentstoPaidInCapitalEstablishmentofDeferredTaxAssetsNetOfAmountsPayableUnderTaxReceivableAgreements us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustmentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.3953.4446.0820.1391.4157.1040.3780.180.4791.6790.1770.030.8983.2713.4551.0961.384191.77-0.0172.2844.402-0.0830.1711.163243.3265.4839.88645181.5341617
Percentage of AdjustmentstoPaidInCapitalEstablishmentofDeferredTaxAssetsNetOfAmountsPayableUnderTaxReceivableAgreements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:AmortizationofTRADTA

apam:AmortizationofTRADTA


Amortizationof
Period End2021-06-302021-03-312020-12-31
Value9.8339.6618.182
Percentage of AmortizationofTRADTA100.0100.0100.0

apam:CapitalContributionstoConsolidatedInvestmentProducts

apam:CapitalContributionstoConsolidatedInvestmentProducts


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value6.84548239.541.383.8481.5710.3290.7671.2285.68913
Percentage of CapitalContributionstoConsolidatedInvestmentProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:ChangeinAPAMEconomicOwnershipInterestinArtisanPartnersHoldingsLPasapercent

apam:ChangeinAPAMEconomicOwnershipInterestinArtisanPartnersHoldingsLPasapercent


Changein
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312015-03-092015-04-222014-07-252014-06-162014-03-122014-01-222013-11-062013-07-17
Value01.01.9800.020.050.0100.020.120.020.060.02
Percentage of ChangeinAPAMEconomicOwnershipInterestinArtisanPartnersHoldingsLPasapercent0.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0

apam:ChangeinAPAMEconomicOwnershipInterestinArtisanPartnersHoldingsLPasapercent us-gaap:AwardType, us-gaap:StatementClassOfStock

us-gaap:RestrictedStock, us-gaap:CapitalUnits


Changein
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value01.000-0.01000.0100-0.010.010000.01
Percentage of ChangeinAPAMEconomicOwnershipInterestinArtisanPartnersHoldingsLPasapercent0.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

apam:DeferredTaxAssetsExchanges

apam:DeferredTaxAssetsExchanges


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.2722.228250.8597.362146.340.4330.6985.04510105.5048.4823.274
Percentage of DeferredTaxAssetsExchanges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:DeferredTaxAssetsExchanges us-gaap:SubsidiarySaleOfStock

apam:FollowOnOffering


Deferred
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.0160.00.0210.00.07.6870.00.0113
Percentage of DeferredTaxAssetsExchanges0.0734.40.00.0144.00.00.076.70.00.03464.2

apam:LongTermIncentiveCompensationExpenseImpactOfChangeInValueOfInvestments us-gaap:AwardType, us-gaap:IncomeStatementLocation

apam:LongTermIncentiveCompensationExpenseImpactOfChangeInValueOfInvestments

apam:LongTermCashAwards, us-gaap:OperatingExpense


Long
Period End2021-06-30
Value213000.0
Percentage of LongTermIncentiveCompensationExpenseImpactOfChangeInValueOfInvestments100.0

apam:NetChangeinOperatingAssetsandLiabilitiesofConsolidatedInvestmentProducts

apam:NetChangeinOperatingAssetsandLiabilitiesofConsolidatedInvestmentProducts


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-54.23261-23.174-27.0857.9825.69-10.674-9.744-12.223-7.425-1.582-9.494
Percentage of NetChangeinOperatingAssetsandLiabilitiesofConsolidatedInvestmentProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:NetGainLossOnTheTaxReceivableAgreements

apam:NetGainLossOnTheTaxReceivableAgreements


Net
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value4.912-0.2380.0190.0-0.251-290.418-0.5010.0-0.650.00.00.05.820.06.4270.0-0.2844.4710.00.00.0
Percentage of NetGainLossOnTheTaxReceivableAgreements100.0100.00.0100.00.0100.0100.0100.00.0100.00.00.00.0100.00.0100.00.0100.0100.00.00.00.0

apam:NetInvestmentGainLossofConsolidatedInvestmentProducts

apam:NetInvestmentGainLossofConsolidatedInvestmentProducts


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-8.328-6.916187.79812-12.9245.0760.6192.0432.346-3.7430.2382.941
Percentage of NetInvestmentGainLossofConsolidatedInvestmentProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:NonCashTransactionInitialEstablishmentOfAmountsPayableUnderTaxReceivableAgreements

apam:NonCashTransactionInitialEstablishmentOfAmountsPayableUnderTaxReceivableAgreements


Non
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-032016-03-312015-12-312015-09-302015-06-302015-03-092015-03-312014-12-312014-09-302014-06-162014-06-022014-06-302014-03-122014-03-312013-11-062013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value1.93115260.4926.257301.599203.5055.3890.620.3414.288159.2434.6787.21991.0170.871112120.3553.4313.114891002.65227485.7542442441050.00.0530.00.00.0
Percentage of NonCashTransactionInitialEstablishmentOfAmountsPayableUnderTaxReceivableAgreements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.0

apam:NonCashTransactionInitialEstablishmentOfAmountsPayableUnderTaxReceivableAgreements apam:HoldingsCommonUnitExchanges

apam:CapitalUnit


Non
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value1.9311.8940.7316.257120.9173.5055.3890.5934.2888.524.679
Percentage of NonCashTransactionInitialEstablishmentOfAmountsPayableUnderTaxReceivableAgreements100.012.0148.6100.041.04.5100.0100.0173.9100.056.6100.0

apam:NonCashTransactionInitialEstablishmentOfAmountsPayableUnderTaxReceivableAgreements us-gaap:SubsidiarySaleOfStock

apam:FollowOnOffering


Non
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-11-06
Value0.0133.2130.00.0181.1530.00.06.534170.00.096105
Percentage of NonCashTransactionInitialEstablishmentOfAmountsPayableUnderTaxReceivableAgreements0.088.012.10.00.059.0186.00.00.043.4184.10.00.097.2100.0

apam:NonCashTransactionInitialEstablishmentOfDeferredTaxAssets

apam:NonCashTransactionInitialEstablishmentOfDeferredTaxAssets


Non
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-032016-03-312015-12-312015-09-302015-06-302015-03-092015-03-312014-12-312014-09-302014-06-162014-06-022014-06-302014-03-122014-03-312013-11-062013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value2.32619310.8087.672371.977223.9857.0690.5560.6125.18618125.7738.5961192.8090.853131416-5.8063.7713.9011051240.37632566.8632872871230.00.0700.00.00.0
Percentage of NonCashTransactionInitialEstablishmentOfDeferredTaxAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.0

apam:NoncontrollingInterestIncreaseDecreaseOwnershipInterestExchangeofUnitsPercent us-gaap:StatementClassOfStock

apam:NoncontrollingInterestIncreaseDecreaseOwnershipInterestExchangeofUnitsPercent

us-gaap:CapitalUnits


Noncontrolling
Period End2020-12-31
Value2.0
Percentage of NoncontrollingInterestIncreaseDecreaseOwnershipInterestExchangeofUnitsPercent100.0

apam:PaymentsForLeaseholdImprovements

apam:PaymentsForLeaseholdImprovements


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.4081.3140.680.1520.0510.1670.5841.8088.343.554
Percentage of PaymentsForLeaseholdImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:ProceedsfromSaleofInvestmentsbyConsolidatedInvestmentProducts

apam:ProceedsfromSaleofInvestmentsbyConsolidatedInvestmentProducts


Proceedsfrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value363728364130221025163116
Percentage of ProceedsfromSaleofInvestmentsbyConsolidatedInvestmentProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:PurchaseofInvestmentsbyConsolidatedInvestmentProducts

apam:PurchaseofInvestmentsbyConsolidatedInvestmentProducts


Purchaseof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value539060633829292334364030
Percentage of PurchaseofInvestmentsbyConsolidatedInvestmentProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:RelatedPartyFeeWaiverExpenseReimbursement us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty

apam:RelatedPartyFeeWaiverExpenseReimbursement

srt:Subsidiaries, apam:ArtisanGlobalFunds


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value99000.088000.0113000.0192000.0115000.095000.0184000.0162000.044000.0124000.099000.0146000.084000.058000.088000.060000.0
Percentage of RelatedPartyFeeWaiverExpenseReimbursement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, apam:ArtisanPrivateFunds


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value75000.079000.0222000.079000.059000.045000.095000.042000.029000.053000.058000.074000.065000.09000.0
Percentage of RelatedPartyFeeWaiverExpenseReimbursement75.889.8196.541.151.347.451.625.965.942.758.650.777.415.5

apam:RelatedPartyFeeWaiverExpenseReimbursement us-gaap:ConsolidationItems, us-gaap:RelatedPartyTransactionsByRelatedParty

srt:ConsolidationEliminations, apam:ArtisanGlobalFunds


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-88000.0-83000.0-80000.0-131000.0-74000.0-48000.0-139000.0-93000.0-1000.0-103000.0-99000.0-146000.0-84000.0-54000.000
Percentage of RelatedPartyFeeWaiverExpenseReimbursement-88.9-94.3-70.8-68.2-64.3-50.5-75.5-57.4-2.3-83.1-100.0-100.0-100.0-93.10.00.0

srt:ConsolidationEliminations, apam:ArtisanPrivateFunds


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-30000.0-40000.0-183000.0-45000.0-17000.0-13000.0-18000.0-14000.0-29000.0-53000.0-58000.0-74000.0-65000.0-9000.0
Percentage of RelatedPartyFeeWaiverExpenseReimbursement-30.3-45.5-161.9-23.4-14.8-13.7-9.8-8.6-65.9-42.7-58.6-50.7-77.4-15.5

apam:RelatedPartyFeeWaiverExpenseReimbursement us-gaap:RelatedPartyTransactionsByRelatedParty

apam:ArtisanFunds


Related
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value178000.0159000.0186000.0166000.088000.077000.0114000.099000.0101000.083000.094000.0133000.0109000.042000.0150000.0115000.0197000.0185000.0178000.0222000.0133000.076000.0317000.051000.00-32000.017000.018000.060000.018000.0151000.01000.0121000.0056000.049000.066000.0
Percentage of RelatedPartyFeeWaiverExpenseReimbursement179.8180.796.9144.392.641.870.4225.081.583.864.4158.3187.947.7250.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

apam:ArtisanGlobalFunds


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value11000.05000.033000.061000.041000.047000.045000.069000.043000.021000.00084000.04000.088000.060000.054000.017000.072000.048000.0172000.088000.095000.0102000.0181000.063000.0116000.0207000.088000.082000.0179000.0145000.0301000.0126000.0155000.0119000.047000.0332000.0
Percentage of RelatedPartyFeeWaiverExpenseReimbursement11.15.729.231.835.749.524.542.697.716.90.00.0100.06.9100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

apam:ArtisanPrivateFunds


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value45000.039000.039000.034000.042000.032000.077000.028000.0000000
Percentage of RelatedPartyFeeWaiverExpenseReimbursement45.544.334.517.736.533.741.817.30.00.00.00.00.00.0

apam:TaxReceivableAgreementPayments

apam:TaxReceivableAgreementPayments


Tax
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302016-12-312016-09-30
Value0.06.6250.05.9890.08.860.07.4466.7320.0
Percentage of TaxReceivableAgreementPayments0.0100.00.0100.00.0100.00.0100.0100.00.0

apam:TaxReceivableAgreementPayments us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Tax
Period End2021-04-15
Value23
Percentage of TaxReceivableAgreementPayments0.0

apam:TaxReceivableAgreementPercentageSavingsRequiredToBePaidToShareholders

apam:TaxReceivableAgreementPercentageSavingsRequiredToBePaidToShareholders


Tax
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value085.0084.1500.850000.850
Percentage of TaxReceivableAgreementPercentageSavingsRequiredToBePaidToShareholders0.0100.00.0100.00.0100.00.00.00.0100.00.0

apam:TaxReceivableAgreementPercentageToBeRetainedByEntity

apam:TaxReceivableAgreementPercentageToBeRetainedByEntity


Tax
Period End2021-06-302021-03-312020-12-31
Value015.00
Percentage of TaxReceivableAgreementPercentageToBeRetainedByEntity0.0100.00.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1292000.07866000.00004530000.00254000.001824000.00759000.001805000.00547000.00930000.00428000.00334000.00
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.00.00.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-312016-09-302016-06-302016-03-31
Value1000.01000.00001000.00001000.001000.001000.000000
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation0.10.00.00.00.00.00.00.00.00.10.00.10.00.10.00.00.00.00.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1059000.06319000.00003314000.00183000.001287000.00532000.001210000.00361000.00530000.00242000.00180000.00
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation82.080.30.00.00.073.20.072.00.070.60.070.10.067.00.066.00.057.00.056.50.053.90.0

us-gaap:NoncontrollingInterest


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value232000.01546000.00001215000.0071000.00536000.00226000.00594000.00186000.00400000.00186000.00154000.00
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation18.019.70.00.00.026.80.028.00.029.40.029.80.032.90.034.00.043.00.043.50.046.10.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-39.904117-31.492341833-29.671144.349-20.537-52.06829-8.63186-62.5824.358-4.79165
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashDivestedFromDeconsolidation

us-gaap:CashDivestedFromDeconsolidation


Cash
Period End2021-06-302021-03-312019-12-312018-12-312017-12-31
Value0.0340.00.00.0
Percentage of CashDivestedFromDeconsolidation0.0100.00.00.00.0

us-gaap:CommonStockDividendsPerShareCashPaid us-gaap:Dividends

us-gaap:CommonStockDividendsPerShareCashPaid

apam:QuarterlyCashDividend


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.880.970.830.670.610.680.650.60.550.560.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.550.550.550.55
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:SpecialAnnualDividend


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value00.310000.60001.030000.790000.360000.40000.950001.63
Percentage of CommonStockDividendsPerShareCashPaid0.032.00.00.00.088.20.00.00.0183.90.00.00.0131.70.00.00.060.00.00.00.066.70.00.00.0158.30.00.00.0296.4

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:Dividends, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared

apam:QuarterlyCashDividend, us-gaap:CommonClassA, us-gaap:SubsequentEvent


Common
Period End2021-08-032021-04-272021-02-022020-10-272020-02-042019-02-042018-02-012017-01-272016-01-262015-02-022014-02-03
Value1.00.880.970.830.680.560.60.60.60.60.55
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

apam:SpecialAnnualDividend, us-gaap:CommonClassA, us-gaap:SubsequentEvent


Common
Period End2021-02-022020-02-042019-02-042018-02-012017-01-272016-01-262015-02-022014-02-03
Value0.310.61.030.790.360.40.951.63
Percentage of CommonStockDividendsPerShareDeclared32.088.2183.9131.760.066.7158.3296.4

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:CommonClassA, us-gaap:SubsequentEvent


Common
Period End2021-02-022020-02-042019-02-042018-02-012017-01-272016-01-262015-02-022014-02-03
Value1.281.281.591.390.961.01.552.18
Percentage of CommonStockDividendsPerShareDeclared132.0188.2283.9231.7160.0166.7258.3396.4

us-gaap:CommunicationsAndInformationTechnology

us-gaap:CommunicationsAndInformationTechnology


Communications
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value109.8569.5799.6729.6829.205109.788109.4289.9829.5568.9668.668.8698.188.6018.4238.1988.238.487.2177.4946.3396.4415.2135.3085.7355.4834.4764.1173.4643.5153.333.3653.4563.4992.92
Percentage of CommunicationsAndInformationTechnology100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesAdditionalInterestIssuedToParent us-gaap:BalanceSheetLocation, us-gaap:StatementEquityComponents

us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesAdditionalInterestIssuedToParent

apam:DeferredTaxAssets, us-gaap:NoncontrollingInterest


Consolidation
Period End2021-06-302021-03-312020-06-302020-03-31
Value0700000.0300000.01700000.0
Percentage of ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesAdditionalInterestIssuedToParent0.0100.0100.0100.0

us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesAdditionalInterestIssuedToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Consolidation
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value13000.039000.02000.029000.0120000.05000.05000.016000.025000.01000.02000.07000.035000.09000.08000.016000.0237000.08000.0
Percentage of ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesAdditionalInterestIssuedToParent1.90.00.09.77.10.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Consolidation
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-1254000.0236000.0740000.02089000.0-521000.01078000.0627000.01737000.091000.01120000.0667000.02708000.0383000.0370000.0658000.03692000.01274000.0-237000.0
Percentage of ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesAdditionalInterestIssuedToParent-179.10.00.0696.3-30.60.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Consolidation
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1241000.0-275000.0-742000.0-2118000.0401000.0-1083000.0-632000.0-1753000.0-116000.0-1121000.0-669000.0-2715000.0-418000.0-378000.0-664000.0-3707000.0-1510000.0232000.0
Percentage of ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesAdditionalInterestIssuedToParent177.30.00.0-706.023.60.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet us-gaap:StatementEquityComponents

us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet

us-gaap:AdditionalPaidInCapital


Consolidation
Period End2021-06-302020-06-30
Value-2099000.0-2089000.0
Percentage of ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet100.0100.0

us-gaap:NoncontrollingInterest


Consolidation
Period End2021-06-302020-06-30
Value2099000.02118000.0
Percentage of ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet-100.0-101.4

us-gaap:ConversionOfStockAmountConverted1

us-gaap:ConversionOfStockAmountConverted1


Conversion
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.0010.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-554.129554
Percentage of ConversionOfStockAmountConverted1100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0

us-gaap:ConversionOfStockAmountConverted1 us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Conversion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-0.002-0.001-0.016-0.001-0.008-0.016-0.001-0.002-0.005-0.006-0.001-0.0010.0-0.01-0.005-0.003-0.005-0.0020.0-0.001-0.007-0.0080.0-0.0030.0-0.005-0.001
Percentage of ConversionOfStockAmountConverted10.00.00.0-100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB, us-gaap:CommonStock


Conversion
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.0020.010.0010.0040.00.0010.0010.0060.0010.0010.00.0050.0030.0010.0040.0020.00.0010.0070.0070.00.0010.00.003
Percentage of ConversionOfStockAmountConverted10.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassC, us-gaap:CommonStock


Conversion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.00.0010.0060.00.0040.0160.0010.0010.0040.00.00.00.00.0050.0020.0020.0010.00.00.00.00.0010.00.0020.00.0020.001
Percentage of ConversionOfStockAmountConverted10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CurrentFederalTaxExpenseBenefit

us-gaap:CurrentFederalTaxExpenseBenefit


Current
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value149.0328.4318.5395.5531.5934.8224.4013.0731.3132.6866.8234.5894.1494.7379.3655.2342.6232.7416.0553.2382.674.1799.7977.0745.045.9626.057.4727.615.8094.8681.9621.1770.00.00.00.0
Percentage of CurrentFederalTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:CurrentForeignTaxExpenseBenefit

us-gaap:CurrentForeignTaxExpenseBenefit


Current
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value92000.0162000.0254000.097000.055000.0109000.0190000.0111000.0107000.0121000.0128000.0135000.0115000.0117000.0132000.0110000.0120000.0108000.0135000.0159000.0161000.0185000.0329000.0108000.065000.098000.02000.032000.073000.077000.0151000.0100000.0138000.082000.0225000.0243000.0247000.0332000.0
Percentage of CurrentForeignTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CurrentIncomeTaxExpenseBenefit

us-gaap:CurrentIncomeTaxExpenseBenefit


Current
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value181112107.2592.576.6647.863.981.9493.7598.4115.5325.0335.508105.9943.0923.3456.8753.9053.3995.172118.165.6586.937.1888.4748.6687.1155.6152.4721.8030.2250.2430.2470.332
Percentage of CurrentIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CurrentStateAndLocalTaxExpenseBenefit

us-gaap:CurrentStateAndLocalTaxExpenseBenefit


Current
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3920000.02647000.03663000.01992000.01651000.0868000.01652000.03348000.0800000.0515000.0945000.01453000.0828000.0767000.0639000.01023000.0640000.0361000.0469000.0661000.0506000.0544000.0664000.01355000.01021000.0520000.0966000.01106000.0929000.0981000.01155000.0647000.0372000.0544000.00000
Percentage of CurrentStateAndLocalTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense

us-gaap:DeferredBonus


Deferred
Period End2021-06-302021-03-31
Value1921000.01214000.0
Percentage of DeferredCompensationArrangementWithIndividualCompensationExpense100.0100.0

us-gaap:DeferredFederalIncomeTaxExpenseBenefit

us-gaap:DeferredFederalIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8.6458.3126.7976.7037.7125.8986.5932.3156.7066.6964.8215.1485.7696.48368108.4639.1358.3977.798.2577.6797.9370.357.8866.7436.431120.172.7762.0621.1313.3082.5880.00.00.00.0
Percentage of DeferredFederalIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit

us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1523000.01465000.0-2505000.01117000.01285000.0983000.0981000.0-17530000.0798000.0797000.0574000.0613000.0686000.0772000.0-2685000.0593000.0484000.0522000.0480000.0445000.0472000.0439000.0453000.020000.0451000.0-7319000.0275000.0-3878000.06000.0-236000.067000.078000.093000.058000.00000
Percentage of DeferredStateAndLocalIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:DistributionMadeToLimitedPartnerCashDistributionsDeclared us-gaap:SubsequentEventType

us-gaap:DistributionMadeToLimitedPartnerCashDistributionsDeclared

us-gaap:SubsequentEvent


Distribution
Period End2021-08-032021-04-272021-02-022020-10-272016-04-202016-04-112014-04-222014-04-10
Value5457604033353048
Percentage of DistributionMadeToLimitedPartnerCashDistributionsDeclared100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value5681514137723633318632323270303029402525253923232353181716468.497
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Dividends
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.0010.04.355140.00.00.0370.00.015700.0010.8028.215216.626.3738.641216.1040.0366.083260.01616120.0
Percentage of DividendsCommonStockCash0.00.011.719.90.00.00.043.20.00.046.4100.30.02.727.451.726.325.134.153.525.80.225.850.30.092.299.926.30.0

us-gaap:NoncontrollingInterest


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.0390.0420.0290.0250.0150.0370.0180.0440.0170.0480.0180.0190.0180.0470.020.020.0210.0420.0260.0260.0270.0360.023
Percentage of DividendsCommonStockCash0.10.10.10.10.00.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value56815141325736333148323217-0.278302921191818161817231726181.3880.014348.497
Percentage of DividendsCommonStockCash99.999.999.999.988.380.0100.099.999.956.799.999.953.5-0.499.997.372.548.273.674.765.846.474.199.874.249.7100.07.80.173.7100.0

us-gaap:EmployeeBenefitsAndShareBasedCompensation

us-gaap:EmployeeBenefitsAndShareBasedCompensation


Employee
Period End2021-06-302020-06-30
Value129.065
Percentage of EmployeeBenefitsAndShareBasedCompensation100.0100.0

us-gaap:EquitySecuritiesFvNiUnrealizedGain

us-gaap:EquitySecuritiesFvNiUnrealizedGain


Equity
Period End2021-03-31
Value19000.0
Percentage of EquitySecuritiesFvNiUnrealizedGain100.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss


Equity
Period End2021-06-302020-06-30
Value3988000.01148000.0
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-9000.00-2000.06000.0-144000.0-3000.0-111000.0-17000.0-7000.0-4000.0-2000.0-5000.0-49000.0-2000.0-4000.0-14000.0-50000.0-24000.0-12000.0-22000.0-14000.0-9000.0-7000.0-10000.0-13000.0-198000.0-146000.0-5000.0-10000.00-5000.0-1000.0-48000.0-3000.000
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.0

us-gaap:GeneralPartnersCapitalAccountDistributionAmount dei:LegalEntity

us-gaap:GeneralPartnersCapitalAccountDistributionAmount

apam:ArtisanPartnersHoldingsLP


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value125488870664559535953544967456350612147395022524254
Percentage of GeneralPartnersCapitalAccountDistributionAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8.35389-77.1486.8681952-63.8277.5381448-68.4794.3896.79967-73.1614.7251147-57.4514.7338.05141-58.896-2.2158.47452-60.6663.8271.84367-74.2937.3681054-51.524136.01743
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherDeferredLiability

us-gaap:IncreaseDecreaseInOtherDeferredLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-673000.0-272000.0-224000.0-390000.0-96000.0-789000.0-135000.0498000.0425000.0745000.02564000.01204000.0343000.0-25000.0660000.0219000.033000.01479000.0-47000.0503000.087000.0-49000.0-32000.058000.00-155000.0-152000.0-88000.094000.010000.0-66000.0-131000.0147000.0-71000.0638000.03000.0253000.0402000.0
Percentage of IncreaseDecreaseInOtherDeferredLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8.305-8.9481.6143.74211-10.762-1.036-0.632-0.2250.8621.392-0.9853.511-1.643-0.502-1.6472.109-1.5893.099-0.30.9321.1670.803-0.0350.0721.774-0.0190.646-0.4621.4420.3742.01-0.6810.2631.636-0.330.3150.224
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value138139120108102104999910199981021061051029810299979695959910110410810010310110911110293548771446298
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LimitedPartnersCapitalAccountDistributionAmount dei:LegalEntity

us-gaap:LimitedPartnersCapitalAccountDistributionAmount

apam:ArtisanPartnersHoldingsLP


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value30112520221724212522252233223327381638324319473854
Percentage of LimitedPartnersCapitalAccountDistributionAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesGainLoss

us-gaap:MarketableSecuritiesGainLoss


Marketable
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value573000.01164000.0-2379000.0651000.01108000.01615000.0
Percentage of MarketableSecuritiesGainLoss100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesRealizedGainLoss

us-gaap:MarketableSecuritiesRealizedGainLoss


Marketable
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0119000.04877000.0250000.0000157000.0000
Percentage of MarketableSecuritiesRealizedGainLoss0.0100.0100.0100.00.00.00.0100.00.00.00.0

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:MarketableSecuritiesUnrealizedGainLoss


Marketable
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value573000.01045000.0-7256000.01477000.0651000.01108000.01615000.0-1092000.0967000.0304000.0321000.0
Percentage of MarketableSecuritiesUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value252325211816222019
Percentage of NetIncomeLossAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value5.0473.699104.6197.424-7.2942.5060.40.990.97-2.0210.1782.3324.3381.4860.610.0040.00.00.00.0
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value113100988064506661584850666567-0.64657
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestDecreaseFromDeconsolidation

us-gaap:NoncontrollingInterestDecreaseFromDeconsolidation


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-30
Value46200.00.00.02.4410.079
Percentage of NoncontrollingInterestDecreaseFromDeconsolidation100.0100.00.00.00.0100.00.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value6.84548239.541.383.8481.5710.3290.7671.2285.689131214452.0010.00.01.1551.8250.00.03.153.05
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.0

us-gaap:OccupancyNet

us-gaap:OccupancyNet


Occupancy
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value5.5085.1925.1826.3385.2135.1895.1975.2145.3417.5675.1365.3374.3023.9253.7453.5793.663.5063.3883.3213.1863.1813.4253.1132.9543.0122.992.8112.7682.6862.6952.6092.5562.6162.4422.2942.2072.308
Percentage of OccupancyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssetImpairmentCharges

us-gaap:OtherAssetImpairmentCharges


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0871000.00000104000.02003000.00000
Percentage of OtherAssetImpairmentCharges0.0100.00.00.00.00.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value64000.0173000.01224000.0794000.0-44000.0-1242000.01394000.0-580000.0-460000.0378000.0-384000.0-208000.0-1042000.0632000.0126000.0422000.0523000.0206000.0-601000.0-320000.0-922000.0-287000.0-296000.0-402000.0534000.0-422000.0-320000.0-458000.0215000.053000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value51000.0136000.0969000.0620000.0-35000.0-930000.01009000.0-418000.0-332000.0262000.0-270000.0-145000.0-731000.0429000.084000.0279000.0341000.0126000.0-340000.0-181000.0-522000.0-149000.0-159000.0-216000.0286000.0-214000.0-150000.0-209000.091000.013000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax79.778.679.278.179.574.972.472.172.269.370.369.770.267.966.766.165.261.256.656.656.651.953.753.753.650.746.945.642.324.5

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value13000.037000.0255000.0174000.0-9000.0-312000.0385000.0-162000.0-128000.0116000.0-114000.0-63000.0-311000.0203000.042000.0143000.0182000.080000.0-261000.0-139000.0-400000.0-138000.0-137000.0-186000.0248000.0-208000.0-170000.0-249000.0124000.040000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax20.321.420.821.920.525.127.627.927.830.729.730.329.832.133.333.934.838.843.443.443.448.146.346.346.449.353.154.457.775.5

us-gaap:OtherGeneralAndAdministrativeExpense

us-gaap:OtherGeneralAndAdministrativeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value5.2086.7755.3864.5893.8617.2177.9316.6356.9377.557.5886.7516.567.2047.5086.0397.4527.1516.3366.176.5385.9496.4376.0037.7717.0186.1856.3896.0576.8129.7345.6555.5296.4696.6598.8464.0854.327
Percentage of OtherGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherTaxExpenseBenefit

us-gaap:OtherTaxExpenseBenefit


Other
Period End2020-12-312015-12-312015-09-302014-12-312014-09-30
Value3.663-0.0237.08.9990.4
Percentage of OtherTaxExpenseBenefit100.0100.0100.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic


Participating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value8.7657.1396.3246.0066.0016.8354.6334.4945.347.7333.9724.6286.8525.9243.942.6546.3394.4262.7653.4074.1213.1622.5532.5745.6385.5573.6833.2467.6926.98-1.0570.65
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountDistributions dei:LegalEntity

us-gaap:PartnersCapitalAccountDistributions

apam:ArtisanPartnersHoldingsLP


Partners
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1566011490886284758575797210068977710038867293419981109
Percentage of PartnersCapitalAccountDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfOtherEquity

us-gaap:PaymentsForRepurchaseOfOtherEquity


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0460.00.00.063
Percentage of PaymentsForRepurchaseOfOtherEquity0.0100.00.00.00.0100.0

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsOfStockIssuanceCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value137000.0102000.07000.00114000.0106000.000000078000.088000.000194000.0100000.0000002000.0349000.076000.09000.0454000.01562000.0781000.01003000.0003165000.00000
Percentage of PaymentsOfStockIssuanceCosts100.0100.0100.00.0100.0100.00.00.00.00.00.00.0100.0100.00.00.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value07866000.00004530000.00254000.001824000.00759000.001805000.00547000.00930000.00428000.00334000.00669000.00000
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.00.00.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.00.00.00.0

us-gaap:PaymentsToMinorityShareholders

us-gaap:PaymentsToMinorityShareholders


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value301125202217242125222522332233273816383243194738544253467493
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOrSaleOfEquity

us-gaap:ProceedsFromIssuanceOrSaleOfEquity


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.0460.00.00.0630.00.00.00.00.00.00.0210.00.00.01620.00.00.00.00.00.00.01760.00.00.05542960.00.03560.00.00.00.0
Percentage of ProceedsFromIssuanceOrSaleOfEquity0.0100.00.00.00.0100.00.00.00.00.00.00.00.0100.00.00.00.0100.00.00.00.00.00.00.00.0100.00.00.00.0100.0100.00.00.0100.00.00.00.00.0

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-30
Value0.0123.8830.753135.6330.00.00.00.00.00.00.00.00.06.3826.9262.0250.010.00.01.7595.4546.156
Percentage of ProceedsFromSaleMaturityAndCollectionsOfInvestments0.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

srt:Subsidiaries, apam:ArtisanGlobalFunds


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value11109.6988.5457.3678.1768.1618.1488.0968.1728.479.1098.9598.5327.927.672
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, apam:ArtisanPrivateFunds


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.0992.3852.9191.8361.5351.280.9980.7750.6650.6040.2980.210.1330.098
Percentage of RevenueFromRelatedParties26.021.930.121.520.815.712.29.58.27.43.52.31.51.1

us-gaap:RevenueFromRelatedParties us-gaap:ConsolidationItems, us-gaap:RelatedPartyTransactionsByRelatedParty

srt:ConsolidationEliminations, apam:ArtisanGlobalFunds


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.019-0.018-0.017-0.015-0.013-0.013-0.018-0.017-0.016-0.016-0.017-0.019-0.017-0.0060.00.0
Percentage of RevenueFromRelatedParties-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.10.00.0

srt:ConsolidationEliminations, apam:ArtisanPrivateFunds


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.104-0.111-0.886-0.092-0.055-0.051-0.245-0.042-0.042-0.04-0.037-0.018-0.133-0.098
Percentage of RevenueFromRelatedParties-0.9-1.0-9.1-1.1-0.7-0.6-3.0-0.5-0.5-0.5-0.4-0.2-1.5-1.1

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

apam:ArtisanFunds


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1771651321091141181161121061111251251251241211161101111151151111241301381341371441421361301181079889848078
Percentage of RevenueFromRelatedParties1486.21524.41546.31491.31403.71451.41424.21384.91300.61315.21377.61397.71469.31574.81577.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

apam:ArtisanGlobalFunds


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value11109.6818.537.3548.1638.1438.1318.088.1568.4539.098.9598.5267.927.6727.7066.815.4234.2663.6673.6253.8423.8073.8453.7243.623.6853.6283.2393.2522.492.1091.4391.0090.7940.6330.584
Percentage of RevenueFromRelatedParties99.899.899.899.899.899.899.899.899.899.899.899.8100.099.9100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

apam:ArtisanPrivateFunds


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.9952.2742.0331.7441.481.2290.9640.7330.6230.5640.820.1920.00.0
Percentage of RevenueFromRelatedParties25.120.921.020.420.115.011.89.07.76.99.72.10.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value02434000.019000.03406000.000556000.001415000.02191000.00000
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability0.0100.0100.0100.00.00.0100.00.0100.0100.00.00.00.00.0

us-gaap:SalariesWagesAndOfficersCompensation

us-gaap:SalariesWagesAndOfficersCompensation


Salaries
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1251281119993959189898787909191898684818077777779818489808381818376697261565355
Percentage of SalariesWagesAndOfficersCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2020-12-312020-09-302020-06-302020-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.2100.4130.3-1.52041.0802.80.247.44000052.710000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.00.0100.0100.0100.00.0100.00.0100.0100.0100.00.00.00.00.0100.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value068.5800052.45
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.0100.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value052.9300033.800028.3-0.090030.5100-0.0948.260-18.74071.59
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.077.20.00.00.064.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.1931.3400032.59011.58036.48-0.223.81048.17052.6900052.6100
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.00.00.00.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.00.00.00.0100.00.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9.554109.0969.2478.9899.6958.6969.97712121112151412121818
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-03-312020-03-31
Value0.010.018
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:AwardDate

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross

apam:A2021Grant


Stock
Period End2021-06-302021-03-31
Value-0.144
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.0070.00.00.00.0090.00.00.00.010.00.00.00.0150.00.00.00.0130.00.00.00.0110.00.00.00.006
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-31
Value0.00.0070.0180.00.0-0.0090.020.00.0-0.010.00.00.0-0.0150.00.00.0-0.0130.00.00.0-0.0110.00.00.0-0.0060.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Stock
Period End2021-01-26
Value44
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross0.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationForfeited us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationForfeited

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-06-302019-06-302019-03-312018-12-312018-09-302018-06-302016-09-30
Value-1000.00000-5000.00
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationForfeited100.00.00.00.00.0100.00.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationForfeited us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-31
Value1000.0-2000.00000-1000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationForfeited-100.00.00.00.00.00.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.0460.00.00.0630.00.00.0210.00.00.01620.00.00.0176-0.3010.3010.05542900.00.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.0100.00.0100.0100.00.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassB, us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.00.0070.00.00.00.0180.00.00.00.0060.00.00.00.0210.00.00.00.0240.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0

us-gaap:CommonClassC, us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.00.0030.00.00.00.00.00.00.00.0350.00.00.00.0140.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.0460.00.00.0630.00.00.0210.00.00.01620.00.00.0176-0.1360.1360.0533237-0.0020.001
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.045.245.20.096.281.70.00.0

us-gaap:TransferToInvestments

us-gaap:TransferToInvestments


Transfer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value9.7110.00.00.01.4690.00.9460.00.0
Percentage of TransferToInvestments100.0100.00.00.00.0100.00.0100.00.00.0

us-gaap:VariableInterestEntityOwnershipPercentage

us-gaap:VariableInterestEntityOwnershipPercentage


Variable
Period End2021-06-302021-03-31
Value010.0
Percentage of VariableInterestEntityOwnershipPercentage0.0100.0

apam:AmountsPayableUnderTaxReceivableAgreement

apam:AmountsPayableUnderTaxReceivableAgreement


Amounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value4064284123853924063753733593743693683774003856666696855865915916015895885995964894864634051605353530.0
Percentage of AmountsPayableUnderTaxReceivableAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

apam:CashandCashEquivalentsofConsolidatedInvestmentProducts us-gaap:ConsolidatedEntities

apam:CashandCashEquivalentsofConsolidatedInvestmentProducts

us-gaap:VariableInterestEntityPrimaryBeneficiary


Cashand
Period End2020-12-312019-12-312018-12-31
Value439.00514
Percentage of CashandCashEquivalentsofConsolidatedInvestmentProducts100.0100.0100.0

apam:DeferredTaxAssetsStepUpOfTaxBasis

apam:DeferredTaxAssetsStepUpOfTaxBasis


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-03-122012-12-31
Value448455446426434435408414399403404411418421410752758760653661670665660668666670551556530468183616262620.0
Percentage of DeferredTaxAssetsStepUpOfTaxBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

apam:LongTermCashAwardsGrantDateFairValue us-gaap:AwardType, us-gaap:SubsequentEventType

apam:LongTermCashAwardsGrantDateFairValue

apam:CashAward, us-gaap:SubsequentEvent


Long
Period End2021-01-26
Value35
Percentage of LongTermCashAwardsGrantDateFairValue100.0

apam:LongTermIncentiveAwardsGrantDateFairValue us-gaap:AwardType, us-gaap:SubsequentEventType

apam:LongTermIncentiveAwardsGrantDateFairValue

apam:LongTermIncentive, us-gaap:SubsequentEvent


Long
Period End2021-01-26
Value79
Percentage of LongTermIncentiveAwardsGrantDateFairValue100.0

apam:NetAssetsofConsolidatedInvestmentProducts

apam:NetAssetsofConsolidatedInvestmentProducts


Net
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302018-12-31
Value1526377706964
Percentage of NetAssetsofConsolidatedInvestmentProducts100.0100.0100.0100.0100.0100.0

apam:NetAssetsofConsolidatedInvestmentProducts us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value1451861521117977
Percentage of NetAssetsofConsolidatedInvestmentProducts0.00.0100.00.00.0100.0

apam:NetAssetsofConsolidatedInvestmentProductsCarryingValue

apam:NetAssetsofConsolidatedInvestmentProductsCarryingValue


Net
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302018-12-31
Value-69763000.0-27180000.0-28509000.0-20096000.0-15122000.02156000.0
Percentage of NetAssetsofConsolidatedInvestmentProductsCarryingValue100.0100.0100.0100.0100.0100.0

apam:NetAssetsofConsolidatedInvestmentProductsCarryingValue us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value-44421000.0-31376000.0-69763000.0-33268000.0-20311000.0-28509000.0
Percentage of NetAssetsofConsolidatedInvestmentProductsCarryingValue0.00.0100.00.00.0100.0

apam:NetAssetsofConsolidatedInvestmentProductsMeasuredatFairValue

apam:NetAssetsofConsolidatedInvestmentProductsMeasuredatFairValue


Net
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302018-12-31
Value22291105908462
Percentage of NetAssetsofConsolidatedInvestmentProductsMeasuredatFairValue100.0100.0100.0100.0100.0100.0

apam:NetAssetsofConsolidatedInvestmentProductsMeasuredatFairValue us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value19021822214499105
Percentage of NetAssetsofConsolidatedInvestmentProductsMeasuredatFairValue0.00.0100.00.00.0100.0

apam:SubsidiaryOwnershipPercentageArtisanPartnersLimitedPartnership

apam:SubsidiaryOwnershipPercentageArtisanPartnersLimitedPartnership


Subsidiary
Period End2020-09-30
Value100.0
Percentage of SubsidiaryOwnershipPercentageArtisanPartnersLimitedPartnership100.0

apam:VariableInterestEntityConsolidationThreshold

apam:VariableInterestEntityConsolidationThreshold


Variable
Period End2020-09-30
Value10.0
Percentage of VariableInterestEntityConsolidationThreshold100.0

dei:EntityCommonStockSharesOutstanding us-gaap:StatementClassOfStock

dei:EntityCommonStockSharesOutstanding

us-gaap:CommonClassA


Entity
Period End2020-07-242020-04-242020-02-142019-10-252019-07-262019-04-262019-02-142018-10-262018-07-272018-04-272018-02-162017-10-272017-07-282017-04-282017-02-162016-10-282016-07-292016-04-282016-02-232015-10-292015-07-302015-04-302015-02-242014-10-312014-07-312014-05-052014-02-242013-11-062013-08-022013-06-04
Value616056565656545453535149494943424241403939393434322919191412
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonClassB


Entity
Period End2020-07-242020-04-242020-02-142019-10-252019-07-262019-04-262019-02-142018-10-262018-07-272018-04-272018-02-162017-10-272017-07-282017-04-282017-02-162016-10-282016-07-292016-04-282016-02-232015-10-292015-07-302015-04-302015-02-242014-10-312014-07-312014-05-052014-02-242013-11-062013-08-022013-06-04
Value5.5892925.9807437.8033647.8533647.9120567.9744568.6452498.6952498.7452498.8022491112121215151617181818182121212125252525
Percentage of EntityCommonStockSharesOutstanding9.19.913.814.014.114.216.016.116.216.323.024.624.926.134.936.040.042.645.346.546.746.960.962.966.074.0127.3129.4179.5203.3

us-gaap:CommonClassC


Entity
Period End2020-07-242020-04-242020-02-142019-10-252019-07-262019-04-262019-02-142018-10-262018-07-272018-04-272018-02-162017-10-272017-07-282017-04-282017-02-162016-10-282016-07-292016-04-282016-02-232015-10-292015-07-302015-04-302015-02-242014-10-312014-07-312014-05-052014-02-242013-11-062013-08-022013-06-04
Value111113131313141414141313131317171515151515151717182025242828
Percentage of EntityCommonStockSharesOutstanding19.019.724.024.324.524.526.326.326.426.425.426.527.227.539.340.737.237.938.639.840.240.750.450.858.169.9127.0125.5202.9226.8

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2729242028181920201716232324161924211524252418273234213742481842505350
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Accounts
Period End2021-01-01
Value76
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent0.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value4794109592334
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent175.3317.8442.3284.780.9171.4

us-gaap:AccountsReceivableGross

us-gaap:AccountsReceivableGross


Accounts
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value99968191877967767674767367635967625660677666696765626459535146
Percentage of AccountsReceivableGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNet

us-gaap:AccountsReceivableNet


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value12111599989481
Percentage of AccountsReceivableNet100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableRelatedParties

us-gaap:AccountsReceivableRelatedParties


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2000000.0900000.0600000.02300000.0900000.0600000.05800000.0
Percentage of AccountsReceivableRelatedParties100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value672525707030306440572664494460211275257199141
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-31
Value6725257070303064405726644944
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DebtInstrumentFairValue

us-gaap:FairValueInputsLevel2


Debt
Period End2021-06-302021-03-312020-09-30
Value204202205
Percentage of DebtInstrumentFairValue100.0100.0100.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Debt
Period End2020-12-312013-03-312012-12-31
Value207201293
Percentage of DebtInstrumentFairValue0.00.00.0

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:DebtLongtermAndShorttermCombinedAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value199199199199199199199199199199199199199199199198199199199199199199199
Percentage of DebtLongtermAndShorttermCombinedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent us-gaap:AwardType

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent

us-gaap:StockAppreciationRightsSARS


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1500000.0900000.0400000.0600000.0300000.01100000.02000000.01800000.01200000.0
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value483491482458465466435
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value4834914824584654664354414254284294334394404297827877886786846916876786876836875625635384741876464680.0
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value3535353231312727252524222019182929272422212118181716107.1497.5196.3494.0492.0010.8833.6230.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value109981293797016807361128275682.9117869601271635713757365127771643.588370577.254
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value889710682102
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:PerformanceShares


Employee
Period End2021-06-302021-03-312020-12-31
Value6.47.02.3
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.00.00.0

us-gaap:RestrictedStock


Employee
Period End2021-06-302021-03-312020-12-312019-09-302019-06-302019-03-312019-01-012018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312017-02-162016-12-312016-09-302016-06-302016-03-312016-02-162015-12-312015-09-302015-06-302015-03-312015-02-172014-12-312014-09-302014-07-152014-06-302014-03-312013-12-312013-09-302013-07-17
Value9410676901001122211312614297110122135351111221341453312012913914729126133726670717579
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value121.7710.8492.541.7221.951615141312110.0
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:EquityMethodInvestments us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Equity
Period End2021-01-01
Value11
Percentage of EquityMethodInvestments0.0

us-gaap:InvestmentRelatedLiabilities us-gaap:ConsolidatedEntities

us-gaap:InvestmentRelatedLiabilities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Investment
Period End2021-01-01
Value0.566
Percentage of InvestmentRelatedLiabilities100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value10121513126.186
Percentage of InvestmentRelatedLiabilities0.00.00.00.00.00.0

us-gaap:InvestmentRelatedLiabilities us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:DebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value9.409121413126.005
Percentage of InvestmentRelatedLiabilities0.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:Derivative, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Investment
Period End2021-06-302020-12-312020-09-302020-06-302019-12-31
Value0.0610.5660.2640.0140.0
Percentage of InvestmentRelatedLiabilities0.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:Derivative, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investment
Period End2021-06-302021-03-312020-12-312020-06-302019-12-31
Value0.1830.1550.1870.00.181
Percentage of InvestmentRelatedLiabilities0.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:EquitySecurities, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Investment
Period End2021-06-30
Value0.454
Percentage of InvestmentRelatedLiabilities0.0

us-gaap:InvestmentRelatedLiabilities us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:DebtSecurities, us-gaap:FairValueMeasurementsRecurring


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value9.409121413126.005
Percentage of InvestmentRelatedLiabilities0.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:Derivative, us-gaap:FairValueMeasurementsRecurring


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value0.2440.1550.7530.2640.0140.181
Percentage of InvestmentRelatedLiabilities0.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:EquitySecurities, us-gaap:FairValueMeasurementsRecurring


Investment
Period End2021-06-30
Value0.454
Percentage of InvestmentRelatedLiabilities0.0

us-gaap:Investments

us-gaap:Investments


Investments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value363.6566.7375.2974.8652322212018184.978
Percentage of Investments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Investments us-gaap:AwardType

apam:LongTermCashAwards


Investmentsus-gaap:
Period End2021-06-302021-03-31
Value3633
Percentage of Investments0.093.0

us-gaap:Investments us-gaap:ConsolidatedEntities

us-gaap:ConsolidatedEntityExcludingVie


Investmentsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value49363.6566.7375.29723
Percentage of Investments0.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Investmentsus-gaap:
Period End2021-01-01
Value72
Percentage of Investments0.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Investmentsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value188227230151107106
Percentage of Investments0.0626.56301.42256.12027.5447.0

us-gaap:Investments us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:DebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investmentsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value15814213312010196
Percentage of Investments0.0393.23652.01783.41910.2404.9

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:Derivative, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Investmentsus-gaap:
Period End2020-12-312020-09-302019-12-31
Value122.8760.022
Percentage of Investments352.942.70.1

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:EquitySecurities, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Investmentsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value298183286.2119.933
Percentage of Investments0.0226.12271.0430.0117.341.6

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:EquitySecurities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investmentsus-gaap:
Period End2021-06-302021-03-312020-12-312020-06-302019-12-31
Value0.5632.6060.9330.00.0
Percentage of Investments0.07.225.50.00.0

us-gaap:Investments us-gaap:ConsolidatedEntities, us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:DebtSecurities, us-gaap:FairValueMeasurementsRecurring


Investmentsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value15814213312010196
Percentage of Investments0.0393.23652.01783.41910.2404.9

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:Derivative, us-gaap:FairValueMeasurementsRecurring


Investmentsus-gaap:
Period End2020-12-312020-09-302019-12-31
Value122.8760.122
Percentage of Investments352.942.70.5

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:EquitySecurities, us-gaap:FairValueMeasurementsRecurring


Investmentsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value298483286.2119.933
Percentage of Investments0.0233.32296.5430.0117.341.6

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:InvestmentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value37353.5996.6875.2284.1698.818.4478.2545.8574.9786.297106.712177.80423221915
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value110.9990.0570.050.0690.696151313120.0
Percentage of InvestmentsFairValueDisclosure31.52.81.60.71.316.7171.0165.6163.8209.20.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-31
Value49363.6566.7375.2974.865232221184.9786.297106.712
Percentage of InvestmentsFairValueDisclosure131.5102.8101.6100.7101.3116.7271.0265.6263.8309.2100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value16
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value505050110
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value60
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-09-30
Value90
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value90
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:MinorityInterestOwnershipPercentageByParent us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByParent

apam:ArtisanPartnersHoldingsLP


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value82.082.080.078.00.780.770.73
Percentage of MinorityInterestOwnershipPercentageByParent100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestOwnershipPercentageByParent us-gaap:Ownership, us-gaap:StatementClassOfStock

apam:ArtisanPartnersHoldingsLP, us-gaap:CapitalUnits


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value82.082.080.078.00.780.770.730.70.670.57
Percentage of MinorityInterestOwnershipPercentageByParent100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312019-12-31
Value4.64.7
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value4200000.03300000.02700000.03600000.03600000.04600000.06600000.05400000.03600000.0
Percentage of OtherAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssetsMiscellaneous

us-gaap:OtherAssetsMiscellaneous


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value6942000.03099000.03793000.04395000.05534000.05096000.05288000.05060000.04244000.0
Percentage of OtherAssetsMiscellaneous100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherReceivables

us-gaap:OtherReceivables


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6.1537.7262.2176.6776.117182.164116.6755.42.0695.7983.73.3033.565
Percentage of OtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseAndOtherAssets

us-gaap:PrepaidExpenseAndOtherAssets


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value18151714111212121312131314121314151314121313121313131212121311108.1339.0019.319
Percentage of PrepaidExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrentAndNoncurrent

us-gaap:PrepaidExpenseCurrentAndNoncurrent


Prepaid
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value109.5899.8818.9698.6547.4745.8924.7853.89
Percentage of PrepaidExpenseCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReceivablesFromCustomers

us-gaap:ReceivablesFromCustomers


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value11510797918778798080736571737173
Percentage of ReceivablesFromCustomers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReceivablesFromCustomers us-gaap:MajorCustomers

apam:ArtisanFunds


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value109.2025.2277.2896.5925.2166.7036.286.626.0425.4180.00.00.00.004
Percentage of ReceivablesFromCustomers8.78.65.47.97.56.78.47.88.28.28.30.00.00.00.0

apam:ArtisanGlobalFunds


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5.2674.6644.4733.5243.2262.7423.5883.1433.1323.3240.4172.4842.5382.6425.105
Percentage of ReceivablesFromCustomers4.64.34.63.83.73.54.53.93.94.50.63.53.53.77.0

apam:SeparateAccounts


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1009387807870697070645968706868
Percentage of ReceivablesFromCustomers86.787.190.188.288.889.887.188.287.987.391.196.596.596.393.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount


Redeemable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value901249360463743393836343096816215120.0
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Redeemable
Period End2021-01-01
Value20
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount0.0

us-gaap:RedeemableNoncontrollingInterestEquityCommonCarryingAmount

us-gaap:RedeemableNoncontrollingInterestEquityCommonCarryingAmount


Redeemable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value901249360463743393836343096816215120.00.0
Percentage of RedeemableNoncontrollingInterestEquityCommonCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalents


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0629000.0889000.0925000.01185000.01185000.0
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:PerformanceShares


Share
Period End2020-12-312020-06-302020-03-312019-12-31
Value60000.060000.060000.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value61.4261.4252.4552.4552.4552.450
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.00.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value38.1737.9735.0935.0935.0935.0835.038.0439.3338.7938.7940.2240.2244.4744.8145.6845.6851.5851.5851.7451.7852.5952.5952.8552.8552.360
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue62.161.866.966.966.966.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value200000.0200000.0200000.0300000.0300000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312019-12-31
Value700000.01600000.0
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0

us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount

us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value556259513326333131303031423735
Percentage of VariableInterestEntityEntityMaximumLossExposureAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Variable
Period End2021-06-302021-03-312020-12-312020-09-30
Value121.80.82.5
Percentage of VariableInterestEntityEntityMaximumLossExposureAmount23.12.91.44.9

us-gaap:VariableInterestEntityPrimaryBeneficiary


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value556258513333
Percentage of VariableInterestEntityEntityMaximumLossExposureAmount100.099.999.9100.199.9100.1

us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount us-gaap:ConsolidatedEntities, us-gaap:MajorCustomers

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, apam:ArtisanPrivateFunds


Variable
Period End2021-06-30
Value10
Percentage of VariableInterestEntityEntityMaximumLossExposureAmount19.6

Line plots across dimensions of each concept


us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
(None,)
Common Stock Valueus-gaap: Statement Class Of Stock
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities
(None,)
Comprehensive Income Net Of Tax Attributable To Noncontrolling Interestus-gaap: Consolidated Entities
us-gaap:GainLossOnInvestments
us-gaap:ConsolidatedEntities
(None,)
Gain Loss On Investmentsus-gaap: Consolidated Entities
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:MajorCustomers, us-gaap:ProductOrService
(None, 'us-gaap:AssetManagement1')
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Major Customers, us-gaap: Product Or Service
us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities
(None,)
Cash And Cash Equivalents At Carrying Valueus-gaap: Consolidated Entities
us-gaap:NoncurrentAssets
us-gaap:StatementGeographical
(None,)
Noncurrent Assetsus-gaap: Statement Geographical
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:DebtAndCapitalLeaseObligations
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
(None, 'us-gaap:SeniorNotes')
Debt And Capital Lease Obligationsus-gaap: Debt Instrument, us-gaap: Longterm Debt Type
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
(None, 'us-gaap:CommonStock')
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Class Of Stock, us-gaap: Statement Equity Components
us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
(None,)
Common Stock Valueus-gaap: Statement Class Of Stock
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents
(None,)
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Valueus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components