BGCP


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

Table of contents


us-gaap:RelatedPartyTransaction, us-gaap:StatementClassOfStock
us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock
us-gaap:SharesOutstanding
us-gaap:RelatedPartyTransaction, us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesIssued
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
us-gaap:Restatement

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:Restatement

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities, us-gaap:StatementEquityComponents
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

us-gaap:EarningsPerShareBasic
us-gaap:Restatement

us-gaap:EarningsPerShareDiluted
us-gaap:Restatement

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:Restatement

us-gaap:IncomeTaxExpenseBenefit
us-gaap:Restatement

us-gaap:IncomeTaxesPaid

us-gaap:InterestExpense
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:Restatement
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:InterestExpenseLongTermDebt
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:InterestIncomeOperating

us-gaap:InterestPaidNet

us-gaap:MarketingAndAdvertisingExpense

us-gaap:NetIncomeLoss
us-gaap:Restatement

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:Restatement

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
us-gaap:Restatement

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses
us-gaap:Restatement

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherIncome

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:Restatement
us-gaap:Restatement, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService

us-gaap:Revenues
us-gaap:ProductOrService
us-gaap:StatementGeographical

us-gaap:Assets
us-gaap:BalanceSheetLocation, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:InvestmentType

us-gaap:Liabilities
us-gaap:BalanceSheetLocation, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:NoncurrentAssets
us-gaap:DisposalGroupClassification
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:Goodwill
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:DisposalGroupClassification

us-gaap:EquitySecuritiesFvNi

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebt
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType

us-gaap:LongTermDebtNoncurrent

us-gaap:SecuredLongTermDebt
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType

us-gaap:MinorityInterest

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability
us-gaap:DisposalGroupClassification

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:Restatement
us-gaap:Restatement, us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransaction, us-gaap:StatementClassOfStock
us-gaap:CommonStockValue
us-gaap:StatementClassOfStock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest

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

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:Restatement

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:Restatement

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:Restatement

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:Restatement

us-gaap:DeferredIncomeTaxExpenseBenefit
us-gaap:Restatement

us-gaap:DepreciationDepletionAndAmortization
us-gaap:IncomeStatementLocation

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:Restatement

us-gaap:NetIncomeLoss
us-gaap:Restatement

us-gaap:ProfitLoss
us-gaap:Restatement
us-gaap:Restatement, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:Restatement

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:Restatement
us-gaap:DebtInstrument
us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:StatementClassOfStock

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:AggregateConsiderationOfCantorUnits
dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:AggregateConsiderationOfCantorUnitsAsResultOfRedemption

bgcp:AggregateEstimatedFairValueOfDeferredCompensationAwards

bgcp:AllocationOfIncomeLossToLimitedPartnershipInterestDiluted

bgcp:ChangeInEstimatedAcquisitionEarnoutPayables
us-gaap:Range, us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:ClassOfCommonStockExchangedToAnotherClassOfCommonStock
us-gaap:Range, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock
bgcp:CommonStockIssuedRelatedToRedemptionsAndExchangesOfLimitedPartnershipInterests
us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:CommonStockWeightedAveragePricePerShare

bgcp:CompensationAndEmployeeBenefitNet
us-gaap:Restatement
us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:ContributionsOfCapitalToAndFromAffiliateForEquityBasedCompensation
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents
us-gaap:AdjustmentsForNewAccountingPronouncements
bgcp:CumulativeEffectOfCurrentExpectedCreditLossesStandardAdoption
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents

bgcp:DataSoftwareAndPosttradeRevenue

bgcp:EmployeeLoanAmortizationAndReserveOnEmployeeLoans
us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:EmployeeLoanExpense

bgcp:EquityBasedCompensationAndAllocationOfNetIncomeToLimitedPartnershipUnitsAndFoundingPartnerUnits
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock

bgcp:EquityBasedCompensationAndAllocationsOfNetIncomeToLimitedPartnershipUnitsAndFoundingOrWorkingPartnerUnits

bgcp:EstimatedFairValueOfLimitedPartnershipUnitsAndRestrictedStockUnits

bgcp:ExchangeOfFoundingWorkingPartnerInterests
us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel
bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityNetUnrealizedGainLossIncludedInNetIncomeLoss
us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel
bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityNetUnrealizedGainLossIncludedInOtherComprehensiveIncomeLoss
us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel
bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesAndIssuances
us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel
bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySalesAndSettlements

bgcp:FeesFromRelatedPartiesRevenue
us-gaap:PartnerTypeOfPartnersCapitalAccount
bgcp:FoundingWorkingPartnerUnitsAverageRedemptionPrice

bgcp:GainLossOnDivestitureAndOrSaleOfInvestment

bgcp:GoodwillAcquiredDuringPeriodNetOfMeasurementPeriodAdjustments

bgcp:GoodwillPurchaseAccountingAdjustmentsIncludingPriorPeriodAdjustments
us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:GuaranteeFeeExpenses

bgcp:IncrementalCommonSharesAttributableToLimitedPartnershipInterests

bgcp:IncrementalCommonSharesAttributableToOtherInstruments

bgcp:InterestAndDividendIncomeExpenseOperating

bgcp:IssuanceOfClassCommonStockAndLimitedPartnershipInterestsForAcquisitions
us-gaap:PartnerTypeOfPartnersCapitalAccount
bgcp:IssuanceOfCommonStockAndGrantsOfExchangeability
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock

bgcp:IssuanceOfCommonStockUponExchangeOfLimitedPartnershipInterests

bgcp:IssuanceOfLongTermDebtAndCollateralizedBorrowingsNetOfDeferredIssuanceCosts

bgcp:LimitedPartnershipInterestContributionRatio

bgcp:LimitedPartnershipInterestDistributionRatio

bgcp:LimitedPartnershipInterestsExchangeRatio
us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock

bgcp:LimitedPartnershipUnitsAverageRedemptionPricePerUnit

bgcp:LossesGainsOnEquityMethodInvestments

bgcp:MarketableSecuritiesSoldAtFairValueDuringPeriod
us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:MarkupOnCost

bgcp:NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems
us-gaap:Restatement

bgcp:NetIncomeLossForFullyDilutedShares
us-gaap:Restatement

bgcp:NumberOfUnitsRedeemed
us-gaap:PartnerTypeOfPartnersCapitalAccount
bgcp:NumberOfUnitsRedeemedAndCancelledForExchange

bgcp:OtherRevenues
us-gaap:TitleOfIndividual
bgcp:PaymentRelatedTaxForRedeemedPLPU
us-gaap:TitleOfIndividual, us-gaap:RelatedPartyTransaction

bgcp:PaymentRelatedTaxForRedeemedPreferredHUnits
us-gaap:TitleOfIndividual
bgcp:PaymentRelatedTaxRateForCommonStock
us-gaap:TitleOfIndividual
bgcp:PaymentRelatedToExchangeableLPUsAndPLPUsRedeemedUponExchangeInConnectionWithLLPStatus
us-gaap:TitleOfIndividual
bgcp:PaymentRelatedToExchangeablePPSUsRedeemedUponExchangeInConnectionWithLLPStatus

bgcp:PaymentRelatedToHUnitsRedeemed

bgcp:PaymentsForAcquisitionsNetOfCashAndRestrictedCashAcquired

bgcp:PurchaseOfUnitsUponRedemptionOfFoundingWorkingPartnersUnits
us-gaap:StatementEquityComponents

bgcp:RedemptionOfFoundingWorkingPartnerInterests

bgcp:RedemptionsAndRepurchases

bgcp:RedemptionsAndRepurchasesWeightedAveragePrice
us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:RelatedPartyTransactionCompensationAndEmployeeBenefitExpense

bgcp:RepurchaseOfCommonStockAmount
us-gaap:StatementEquityComponents

bgcp:RightOfUseAssetsAndLiabilities
us-gaap:AwardType
bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresInPeriodFairValue
us-gaap:AwardType
bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardLimitedPartnersCapitalUnitsAmortization
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock
us-gaap:PlanName
us-gaap:BusinessAcquisition, us-gaap:PartnerTypeOfPartnersCapitalAccount
bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentRedeemed
us-gaap:PartnerTypeOfPartnersCapitalAccount

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsAmortization
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock
us-gaap:TitleOfIndividual, us-gaap:StatementClassOfStock
bgcp:SharesRepurchasedAtAveragePriceOfShares
us-gaap:BusinessAcquisition
bgcp:StockIssuanceReversalDuringPeriodValueAcquisitions
us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition, us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
bgcp:StockIssuedDuringPeriodSharesExchangeOfUnits
us-gaap:StatementClassOfStock
bgcp:StockIssuedDuringPeriodSharesRestrictedStockAwardVested

bgcp:StockReleasedDuringPeriodRestrictedShares
us-gaap:BusinessAcquisition

bgcp:TemporaryEquityEarningsDistributions
us-gaap:TitleOfIndividual
bgcp:TransactionChargeOfGrantOfExchangeability

bgcp:TreasuryStockAcquiredWeightedAverageCostPerShare
us-gaap:AwardType, us-gaap:StatementClassOfStock
bgcp:ValueOfShareWithholdingForTaxShareBasedCompensation

bgcp:WeightedAverageNumberOfDilutedSharesOutstandingFromContinuingOperations

bgcp:WeightedAverageRedemptionPricePerUnit

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AssetImpairmentCharges

us-gaap:BrokerageCommissionsRevenue
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:IncomeStatementLocation
us-gaap:CapitalizedComputerSoftwareAdditions
us-gaap:IncomeStatementLocation
us-gaap:CapitalizedComputerSoftwareAmortization1

us-gaap:CapitalizedComputerSoftwareImpairments1

us-gaap:Communication

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:CostDirectLabor
us-gaap:Restatement
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateDuringPeriod

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense
us-gaap:BusinessAcquisition

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk
us-gaap:FinancialInstrument

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:Restatement

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment

us-gaap:EquityMethodInvestmentSoldCarryingAmount

us-gaap:EquitySecuritiesFvNiGainLoss
us-gaap:IncomeStatementLocation
us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount
us-gaap:DebtInstrument
us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees
us-gaap:DebtInstrument, us-gaap:NatureOfExpense, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:NatureOfExpense, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
us-gaap:IncomeStatementLocation
us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeasePrincipalPayments
us-gaap:IncomeStatementLocation
us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FloorBrokerageExchangeAndClearanceFees
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ForeignCurrencyTransactionGainLossRealized

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfOtherInvestments

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseDueFromAffiliates

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables
us-gaap:Restatement

us-gaap:IncreaseDecreaseInAccountsPayableRelatedParties

us-gaap:IncreaseDecreaseInAccruedSalaries

us-gaap:IncreaseDecreaseInBrokerageReceivables

us-gaap:IncreaseDecreaseInDueFromEmployeeCurrent

us-gaap:IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities

us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
us-gaap:Restatement

us-gaap:IncreaseDecreaseInOtherOperatingAssets
us-gaap:Restatement

us-gaap:IncreaseDecreaseInPayablesToBrokerDealers

us-gaap:IncreaseDecreaseInPayablesUnderRepurchaseAgreements

us-gaap:IncreaseDecreaseInSecuritiesLoanedTransactions

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestExpenseRelatedParty
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacilityCommitmentFeeAmount
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType

us-gaap:MarketableSecuritiesRealizedGainLoss

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:MinorityInterestDecreaseFromRedemptions
us-gaap:StatementEquityComponents
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock
us-gaap:NetIncomeLossAllocatedToLimitedPartners

us-gaap:NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition, us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OccupancyNet
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:IncomeStatementLocation
us-gaap:OperatingLeaseCost
us-gaap:IncomeStatementLocation

us-gaap:OperatingLeasePayments
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherExpenses
us-gaap:Restatement

us-gaap:OtherOperatingActivitiesCashFlowStatement
us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:PartnersCapitalAccountRedemptions
us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:PartnersCapitalAccountUnitsRedeemed

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:PaymentsForRent

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest

us-gaap:PaymentsForSoftware
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireEquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:PaymentsToMinorityShareholders

us-gaap:PrincipalTransactionsRevenue
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:ProceedsFromDivestitureOfBusinesses
us-gaap:RelatedPartyTransaction, us-gaap:StatementClassOfStock
us-gaap:ProceedsFromIssuanceOfCommonStock
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:StatementClassOfStock

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromSaleOfEquityMethodInvestments

us-gaap:ProceedsFromSaleOfInterestInCorporateUnit

us-gaap:ProceedsFromSalesOfAssetsInvestingActivities

us-gaap:ProfessionalFees

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty

us-gaap:RepaymentsOfDebt
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:RepaymentsOfLinesOfCredit
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
us-gaap:BusinessAcquisition, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodSharesAcquisitions
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodSharesOther

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
us-gaap:StatementClassOfStock

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
us-gaap:StatementEquityComponents
us-gaap:TitleOfIndividual
us-gaap:StockRedeemedOrCalledDuringPeriodValue
us-gaap:StatementClassOfStock
us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:Ownership
us-gaap:SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions

us-gaap:TemporaryEquityNetIncome
us-gaap:StatementClassOfStock
us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockSharesAcquired
us-gaap:StatementClassOfStock
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:UnrealizedGainLossOnInvestments

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
bgcp:AdditionalCollateralizedBorrowings

bgcp:BusinessAcquisitionCashRemainToBePaidNetOfForfeituresAndOtherAdjustmentsIfTargetsMet
us-gaap:StatementClassOfStock
bgcp:BusinessAcquisitionContingentConsiderationAtFairValueOne

bgcp:CharitableContributionLiability

bgcp:ContingentConsiderationLiabilityFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:InvestmentType
bgcp:DebtInstrumentRemainingAuthorizedRepurchaseAmount

bgcp:DeferredCompensationArrangementWithIndividualCompensationExpenseNotYetRecognized

bgcp:DeferredTaxAssetsBeforeNetting

bgcp:DeferredTaxAssetsExcessInterestExpense

bgcp:DeferredTaxLiabilityDepreciationAndAmortization

bgcp:DerivativeContractInGainPositionReplacementCost

bgcp:EquityMethodAndAlternativeInvestments
us-gaap:AdjustmentsForNewAccountingPronouncements

bgcp:EquitySecuritiesMeasurementAtAlternativeMethod
us-gaap:AwardType, us-gaap:BusinessAcquisition, us-gaap:PartnerTypeOfPartnersCapitalAccount
bgcp:EstimatedFairValueOfLimitedPartnershipUnits
us-gaap:TitleOfIndividual
bgcp:ExchangeSharePrice
us-gaap:TitleOfIndividual, us-gaap:RelatedPartyTransaction
us-gaap:TitleOfIndividual, us-gaap:StatementClassOfStock

bgcp:FinanceLeaseLiabilityToBePaidAfterYearFour

bgcp:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
bgcp:FixedAssetsPledgedForSecuredLoanValue
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

bgcp:ForeignExchangeAndCommoditiesOptionsAssetsFairValueDisclosure
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueByFairValueHierarchyLevel

bgcp:ForeignExchangeAndCommoditiesOptionsLiabilitiesFairValueDisclosure
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueByFairValueHierarchyLevel

bgcp:ForwardContractLiabilitiesFairValueDisclosure
us-gaap:DerivativeInstrumentRisk
us-gaap:DisposalGroupClassification
us-gaap:FairValueByFairValueHierarchyLevel

bgcp:ForwardContractsAssetsFairValueDisclosure
us-gaap:DerivativeInstrumentRisk
us-gaap:DisposalGroupClassification
us-gaap:FairValueByFairValueHierarchyLevel

bgcp:FuturesContractLiabilitiesFairValueDisclosure
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeInstrumentRisk
bgcp:FuturesContractsAssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

bgcp:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

bgcp:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

bgcp:LoansForgivableLoansAndOtherReceivablesFromEmployeesAndPartners
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupClassification, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AwardType, us-gaap:BusinessAcquisition, us-gaap:PartnerTypeOfPartnersCapitalAccount
bgcp:NotionalValueOfLimitedPartnershipUnitsWithPostTerminationPayOutAmount
us-gaap:BusinessAcquisition, us-gaap:PartnerTypeOfPartnersCapitalAccount
bgcp:NumberOfInterestUnitsOwnedInLimitedPartnership

bgcp:NumberOfLimitedPartnershipUnitsExchangeableIntoShares
us-gaap:StatementClassOfStock
us-gaap:TitleOfIndividual
bgcp:NumberOfNonExchangeablePPSU
us-gaap:TitleOfIndividual
bgcp:NumberOfNonExchangeablePPSURedeemed
us-gaap:TitleOfIndividual
bgcp:NumberOfNonExchangeablePSU
us-gaap:BusinessAcquisition
bgcp:NumberOfOutstandingRestrictedSharesHeld

bgcp:OtherTaxes

bgcp:PayableForOpenDerivativeContracts
us-gaap:DisposalGroupClassification
us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:PayablesRelatedToPendingTrades

bgcp:ReceivableFromNetPendingTrades

bgcp:ReceivableFromOpenDerivativeContracts
us-gaap:DisposalGroupClassification
us-gaap:BalanceSheetLocation, us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:RemainingLiabilityRelatedToCharitableContributions
dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty
bgcp:RightToPurchaseFoundingPartnerUnitOutstanding
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AwardType
bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValue

bgcp:ShortTermBorrowingsExcludingRepurchaseAgreements
us-gaap:SubsequentEventType
bgcp:StockOrUnitsRepurchaseProgramAuthorizedAmount
us-gaap:ShortTermDebtType
bgcp:TaxCutsAndJobsActOf2017TransitionTaxOnDeemedRepatriationOfForeignSubsidiariesEarningsNetCumulativeRemainingBalance
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FairValueByAssetClass
bgcp:TaxEffectImpactForIncreaseOrDecreaseToTheLiability
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
bgcp:TenderedAmountOnCashTenderOffer
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
us-gaap:FairValueByFairValueHierarchyLevel
bgcp:UndiscountedValueOfPaymentsOnAllContingencies
us-gaap:StatementClassOfStock
dei:EntityCommonStockSharesOutstanding

srt:PayablesToBrokerDealersAndClearingOrganizations

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:AccountsPayableRelatedPartiesCurrentAndNoncurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedParties
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedPartiesNoncurrent

us-gaap:AccruedFeesAndOtherRevenueReceivable
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:AccruedLiabilitiesAndOtherLiabilities
us-gaap:BusinessAcquisition

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:AlternativeInvestment

us-gaap:AssetRetirementObligation
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetsFairValueDisclosure
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:ConsolidatedEntities
us-gaap:AssetsNet
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType
us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput
us-gaap:Range, us-gaap:MeasurementInputType
us-gaap:AwardType
us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent
us-gaap:StatementClassOfStock

us-gaap:CapitalizedContractCostNet
us-gaap:DisposalGroupClassification

us-gaap:CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:ConsolidatedEntities
us-gaap:Restatement

us-gaap:CommissionsPayableToBrokerDealersAndClearingOrganizations

us-gaap:ContractWithCustomerAssetNet
us-gaap:DisposalGroupClassification

us-gaap:ContractWithCustomerLiability
us-gaap:DisposalGroupClassification

us-gaap:ContractualObligation
us-gaap:ShortTermDebtType

us-gaap:ContractualObligationDueAfterFifthYear
us-gaap:ShortTermDebtType

us-gaap:ContractualObligationDueInFourthAndFifthYear
us-gaap:ShortTermDebtType

us-gaap:ContractualObligationDueInNextTwelveMonths
us-gaap:ShortTermDebtType

us-gaap:ContractualObligationDueInSecondAndThirdYear
us-gaap:ShortTermDebtType

us-gaap:CostMethodInvestments
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DebtInstrumentRepurchaseAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet

us-gaap:DebtLongtermAndShorttermCombinedAmount
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
us-gaap:DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsGross
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInvestments

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DerivativeAssetFairValueGrossLiability
us-gaap:DerivativeInstrumentRisk
us-gaap:FinancialInstrument

us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk
us-gaap:FinancialInstrument

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk
us-gaap:DisposalGroupClassification, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk
us-gaap:DisposalGroupClassification, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:DerivativeInstrumentRisk
us-gaap:DisposalGroupClassification, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
us-gaap:DerivativeInstrumentRisk
us-gaap:DisposalGroupClassification, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk
us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilityFairValueGrossAsset
us-gaap:DerivativeInstrumentRisk
us-gaap:FinancialInstrument

us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:FinancialInstrument
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherAssets
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:DividendsPayableAmountPerShare

us-gaap:DueFromRelatedParties
us-gaap:ConsolidatedEntities

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:PartnerTypeOfPartnersCapitalAccount
dei:LegalEntity, us-gaap:Ownership
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestments
us-gaap:DisposalGroupClassification
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
us-gaap:DisposalGroupClassification

us-gaap:ExcessCapital
us-gaap:DisposalGroupClassification
us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinancialInstrumentsOwnedAtFairValue

us-gaap:FinancialInstrumentsOwnedCorporateDebtAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FinancialInstrumentsOwnedCorporateEquitiesAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupClassification, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ForeignCurrencyContractAssetFairValueDisclosure
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByLiabilityClass
us-gaap:GuaranteeObligationsCurrentCarryingValue

us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:DisposalGroupClassification

us-gaap:InvestmentOwnedAtFairValue

us-gaap:Investments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LiabilitiesFairValueDisclosure
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LongTermDebtFairValue
us-gaap:DebtInstrument
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LongTermLineOfCredit
us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:MarketableSecurities
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:NetRegulatoryAssets
us-gaap:DisposalGroupClassification
us-gaap:ConsolidatedEntities
us-gaap:NotesPayable
us-gaap:ConsolidatedEntities
us-gaap:NotesReceivableRelatedParties

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAssetsMiscellaneous
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:OtherLiabilities

us-gaap:OtherPayablesToBrokerDealersAndClearingOrganizations

us-gaap:OtherReceivablesFromBrokerDealersAndClearingOrganizations

us-gaap:PrepaidExpenseCurrentAndNoncurrent

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ReceivablesFromBrokersDealersAndClearingOrganizations

us-gaap:ReceivablesFromClearingOrganizations
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:SecuredDebt
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:SecuritiesFailedToDeliver

us-gaap:SecuritiesFailedToReceive

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:SecurityDeposit

us-gaap:SelfInsuranceReserve
us-gaap:DebtInstrument
us-gaap:SeniorLongTermNotes
us-gaap:AwardType, us-gaap:BusinessAcquisition, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
us-gaap:AwardType, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:BusinessAcquisition, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:PreferredUnitsByName
us-gaap:PartnerTypeOfPartnersCapitalAccount
us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:PreferredUnitsByName

us-gaap:ShortTermBorrowings

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:StatementClassOfStock

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests
us-gaap:StatementClassOfStock
us-gaap:TreasuryStockShares

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Derivative Assets
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Derivative Liabilities
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Dividends Common Stock
NonoperatingIncomeExpense
Other Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
BanksAndOrInsurance
Securities Sold Under Agreements To Repurchase

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 us-gaap:CommonStockValue us-gaap:RelatedPartyTransaction,us-gaap:StatementClassOfStock bgcp:NewControlledEquityOfferingsProgram,us-gaap:CommonClassA███▇▇▇▁210.8210.8210.8210.6210.6210.6209.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassA█▇▇▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁4.1693.8583.7353.6583.6383.6163.5843.5283.4843.4393.4173.4383.413.2863.0633.0132.9972.9672.9252.8952.8612.8072.5592.5222.4972.2292.2022.172.122.0912.0271.981.5441.4891.4191.331.2641.2281.1521.1021.039NA0.881NANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassB███████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁0.4590.4590.4590.4590.4590.4590.4590.4590.4590.4590.4590.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.348NA0.258NANA
 us-gaap:SharesOutstanding us-gaap:StatementClassOfStock us-gaap:CommonClassA██▇▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▃▃▃▃▃▃▃▂▂▂▁▁▁▁348.795334.364323.018315.315313.323311.059307.915302.315064297.871034293.382378291.474768293.511839290.909843279.279244256.968372252.26109251.057086248.46675244.869624243.311508241.292033236.749861219.063365216.049048213.656458186.952687185.108316185.380845184.001427185.166111181.583001178.882967136.328061130.873581123.913759114.993084108.381374104.76293597.220042NANANA70.255518NANA
 us-gaap:CommonStockSharesIssued us-gaap:RelatedPartyTransaction,us-gaap:StatementClassOfStock bgcp:NewControlledEquityOfferingsProgram,us-gaap:CommonClassANANA17.6NA17.617.617.401431NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:CommonStockSharesOutstanding us-gaap:StatementClassOfStock us-gaap:CommonClassA██▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▄▄▃▁▃▃▃▃348.795334.364323.018315.315313.323311.058307.915302.315297.871293.382291.475293.512290.91279.279256.968252.261251.057248.467244.87243.312241.292236.75219.063216.049213.656186.953185.108185.381184.001185.166181.583178.883136.328130.874123.9140.114993108.381104.76397.2292.231NANA70.256NANA
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us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ██▂█▇▇▁▁▇▆563.923557.068365.259549.244546.123538.442351.431346.06522.984516.066NA487.636481.461478.935NA457.341451.857444.826NA429.761437.257434.855NA394.026366.774338.484NA331.209326.586322.074NA355.167378.092317.823NA146.703274.756264.17NA124.279244.11237.065NA228.288226.495
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▆▅▅▄▄▃▂▁▁384.902374.318365.259363.244360.614358.001351.431346.06341.272338.403NA327.932321.199307.728NA288.308286.84283.399NA278.601275.997273.78NA252.354244.862222.019NA220.388220.77220.608NA219.174171.758163.225NA146.703140.368136.124NA124.279112.64497.326NA91.22584.473
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█0.0310.1NA2.72.60.2NA182.70.60.4NA0.00230.00560.0NA0.00.00470.0NA1.01.01.0NA10.120.841.3NA44.244.444.7NA6.46.647.6NA188.648.447.5NA165.727.6NANANANA
us-gaap:EarningsPerShareBasic ▅▆▅▅▅▅▄▅▅▆▄█▆▆▁▇▅▅▅▇▅▅▇▆▅▅▄▅▅▅▅▆▇▅▆▅▅▅▅▅▆▆▆▅▆0.050.12-0.010.050.080.04-0.06-0.010.040.18-0.070000000000000060.360.110.19-0.420.280.080.060.039999999999999980.220.060.050.260.150.040.06-0.080.030.030.040.0100000000000000090.120.20.040.090.00.010.060.020000000000000018-0.020.090.090.130.070.09
us-gaap:EarningsPerShareDiluted ▄▆▂▄▅▄▁▂▄█0.050.11-0.010.050.070.04-0.06-0.010.040.18NA0.350.10.19-0.419999999999999930.280.070.060.039999999999999980.210.060.050.250.150.040.06-0.080.030.030.040.0100000000000000090.110.180.040.090.00.010.060.020000000000000018-0.020.090.090.130.070.09
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:ComprehensiveIncomeNetOfTax ▅▆▄▅▅▅▄▄▅▆▄█▅▆▁▇▅▅▅▆▅▅▆▅▅▄▄▅▅▅▅▅▆▅▅▅▅▅▅▄▅▅▆▅19.84839.737-2.41126.54625.6113.334-15.693-10.79110.77462.78-19.654118.10624.58362.799-122.04986.29426.54123.648.98861.64914.05519.64265.90128.68110.948-8.101-20.57819.3887.4298.2593.53626.70932.5386.26314.7950.073-1.0539.6195.219-7.44210.1629.42335.09910.476NA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▃▅▁▄▄▄▁▄▄▆▁█▄█4.85315.434-15.7526.5749.8287.489-13.4015.117.76925.381-13.56242.38912.37339.289NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▅▆▄▅▅▅▄▄▅▆▄█▅▇▁▇▅▅▅▆▅▅█▅▅▄▄▅▅▅▄▅▇▅▅▄▄▅▅▄▅▅▅▅24.70155.171-18.16333.1235.43910.823-29.094-5.68118.54388.161-33.216160.49536.956102.088-160.148116.13934.50228.28612.93575.19418.49122.512173.24843.87716.8881.07-38.88525.43611.11310.7980.92833.617127.2839.73619.1761.6240.70913.4718.623-9.85618.09118.19423.72625.24NA
 us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity us-gaap:RelatedPartyTransactionsByRelatedParty bgcp:Cantor▃▂▁▄▃▁█▂▃▁▃▅0.50.04-0.30.90.4-0.12.60.20.6-0.30.71.4NANANANANANANANANANANA0.80.30.60.70.21.40.2-0.60.6NANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▅▅▄▅▅▅▄▅▅▆▁█▅▆▄▆▅▅▅▆▅▅█▆▅▅▄▅▅▅▄▅▇▅▅▄▄▅▅▄21.6574.064-19.47328.70848.229.738-29.48.74636.758117.071-238.335219.0665.898133.194-62.482142.40245.528.75131.489104.52931.11121.131251.93383.32217.28936.27-59.28629.93714.91511.2461.3142.663208.25113.69728.7633.6124.4518.91210.822-4.482NANANANANA
us-gaap:IncomeTaxExpenseBenefit ▃▄▂▃▃▃▃▃▄▄▁▆▄▅█▅▄▃▄▄▃▃▇▄▃▃▂▄▃▃▃▃▇▃▃▃▃▃▃▃▃▃▃▃▃-1.19114.939-6.7293.7788.6418.7064.0756.18614.99329.897-32.30756.75615.90835.76395.18431.85416.5476.65914.60130.26310.5484.8479.44128.7372.27210.046-22.50118.8083.60.744-0.31510.67578.7113.09510.3292.6230.077.2023.905-1.3386.0317.4012.9426.8784.71
 us-gaap:IncomeTaxExpenseBenefit us-gaap:Restatement srt:RevisionOfPriorPeriodErrorCorrectionAdjustmentNANANA4.78-0.0422.1691.980.505-1.732-4.113NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:Restatement srt:ScenarioPreviouslyReportedNANANA3.7788.6418.7062.0956.18614.99329.897NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxesPaid ▂▁▂▂▁▂▂▂▂▁▃▂▂▂▃▂▂▁▃▂▂▃▂▁▁▂▃▂▁▄▁█▁▂▂▂▁▁▁▁▂▂▁▁20.1331.20111.86710.3762.20617.46119.1815.7087.3875.72228.10214.2311.24912.95946.51211.37814.9525.80639.48219.3856.16429.64724.2234.0645.5129.86228.2898.0481.8649.7314.553138.3371.6457.5710.2066.8673.39-0.171-4.3094.2976.8889.8061.2183.511NA
us-gaap:InterestExpense ▇▇▇▇▇▇▆▆▆▆▁█▇▇█▇▇▆▆▆▆▆▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅18.6817.85321.81119.48817.45717.33416.35415.25814.98513.198-46.31833.47227.44127.13832.82624.42516.67614.82114.17215.38314.62413.45818.07416.94418.43915.90210.1839.1979.239.3359.4799.1649.9899.79.9919.7587.5787.5588.6896.7544.7684.3953.7773.7963.596
 us-gaap:InterestExpenseLongTermDebt us-gaap:CreditFacility,us-gaap:DebtInstrument bgcp:SeniorRevolvingCreditAgreement,bgcp:UnsecuredCreditAgreementNovemberTwentyEightTwoThousandEighteen█▁0.70.5NA0.92.11.7NA3.63.22.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseLongTermDebt us-gaap:DebtInstrument bgcp:FivePointOneTwoFivePercentageSeniorNotes▁▅▅█▆▆▆▆▆▆2.33.63.54.64.14.14.14.14.14.1NANA4.14.04.14.04.04.04.04.01.60.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseLongTermDebt us-gaap:DebtInstrument bgcp:FivePointThreeSevenFivePercentSeniorNotes██████▁██6.46.46.56.46.46.4-19.16.46.5NANANA4.34.34.34.34.34.34.34.34.34.34.34.34.34.31.00.00.00.0NANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseLongTermDebt us-gaap:DebtInstrument bgcp:FourPointThreeSevenFivePercentageSeniorNotes▄▄3.43.4NA3.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseLongTermDebt us-gaap:DebtInstrument bgcp:ThreePointSevenFiveZeroPercentSeniorNotes███████▁▁▁3.03.03.03.03.03.03.10.10.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseLongTermDebt us-gaap:DebtInstrument,us-gaap:LineOfCreditFacility,us-gaap:ShortTermDebtType bgcp:UnsecuredLoanAgreement,bgcp:BancoDaycovalSA,bgcp:ShortTermLoans0.01NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseLongTermDebt us-gaap:DebtInstrument,us-gaap:ShortTermDebtType bgcp:UnsecuredLoanAgreement,bgcp:ShortTermLoansNA0.10.10.10.10.10.10.10.20.10.20.10.20.10.20.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestIncomeOperating us-gaap:RelatedPartyTransactionsByRelatedParty bgcp:EmployeeLoans█▇▇▆▅▅▆▅▅▅▁▇▆▆▆▆▆▆▆▆▆▅3.32.22.71.71.21.21.71.11.01.0-2.22.22.01.71.71.71.61.61.51.61.71.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestPaidNet ▆▅▆▆▆▆▅▆▅▅▁▆█▅▅▆22.01313.33921.53615.49917.14315.3949.94616.0711.92513.835-29.46219.87640.12511.4126.97422.864NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MarketingAndAdvertisingExpense ▅▅▅▅▅▆▇▆▇▆▁████▇█▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▇▆▆▇▇8.6167.4886.8915.9436.63418.69921.43220.3221.49118.402-24.26130.8532.929.84933.40326.82829.38923.38524.12722.61325.51425.59826.59223.3726.76320.47618.72716.7318.25518.02517.61419.83923.23920.31520.92822.15323.513NANANANANANANANA
us-gaap:NetIncomeLoss ▅▆▄▅▅▅▄▄▅▆▄█▆▆▁▇▅▅▅▆▅▅▆▆▅▅▄▅▅▅▅▅▅▅▅▄▅▅▅▄▅▅▅▅▅18.16943.091-2.33819.38128.09914.314-20.561-3.52913.61161.868-16.743120.28635.20358.774-119.79981.52921.76818.21512.21160.88215.72513.65965.01538.3719.34714.055-18.6857.2117.6018.0084.13425.32634.4666.99814.168-0.4511.9588.1893.84-2.0339.6648.66611.7516.2247.398
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▄▄▃▄▄▄▃▄▄▅▁▅▄▅▂▅▄▄▄▄▄▄█▄▄▄▃▄▄▄▄▄▇▄▄▄▄▄▄▄▄▄▄▄▄4.67216.034-10.4065.54911.466.718-12.9146.0898.15425.306-64.16942.01814.78738.657-37.86729.0197.1853.8774.67713.3844.8382.632107.47716.2145.6712.169-18.13.9183.7142.494-2.5096.66295.0743.6044.2661.442.4223.5213.077-1.1117.7858.47212.26713.2725.413
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▅▆▄▅▅▅▄▄▅▆▄█▆▆▁▇▅▅▅▆▅▅▆▆▅▅▄▅▅▅▅▅▆▅▅▅▅▅▅▄▅▅▅▅▅18.16943.091-2.33819.38128.09914.314-20.561-3.52913.61161.868-18.535118.86435.03958.774-119.79981.52921.76818.21512.21160.88215.72513.65965.01538.3719.34714.055-18.6857.2117.6018.0084.13425.32634.4666.99814.168-0.4511.9588.1893.84-2.0339.6648.66611.7516.2247.398
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▁█26.02362.248NA29.57540.43620.259-46.324-3.52921.0190.765NA171.7250.44588.757-190.745127.49533.09427.6118.01292.12125.35922.20375.40258.53813.25620.741-27.7210.74911.10511.558-32.06540.669.94413.54627.398-0.4513.87815.793.84-2.03321.1620.83428.73415.97919.567
us-gaap:NonoperatingIncomeExpense ▂▂▂▂▂▂▂▂▂▃▁▄▂▃▂▄▂▂▂▄▂▂█▃▂▃▂▃▂▂▂▃3.1556.8723.4446.2972.248-4.99212.6923.625-0.68742.039-94.062110.122.04439.7432.21990.3466.4575.8830.63399.3810.512-2.359421.04563.4873.05832.5615.01543.2520.379-4.4985.31429.156NANANANANANANANANANANANANA
us-gaap:OperatingExpenses ▆▆▆▆▆▆▆▆▆▆▁████▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆█▆▆▆▆▆▆▆▅▅▅▅▅493.955500.384502.343432.628473.136568.437529.248516.016513.742469.719-811.893868.314896.222863.195958.935774.972698.714684.562647.266638.356631.361615.546842.556665.46654.9543.858553.584449.531402.666429.045425.295390.682984.916431.272453.414436.705445.088376.049344.347384.417341.078340.484294.795300.128318.183
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▅▄█▇▆▁▇▃▄▅▄▅▂▆▅▆▆▆▄▅▅▆▅▃▅▃▄▄▅▅▅▅▅▅▅▅▄▅▅▄▅2.139-4.03614.8328.192.794-19.35910.39-8.241-3.2220.987-3.357-1.809-13.0343.658-0.4075.1344.5716.481-5.4230.417-0.1494.266-0.388-8.1012.254-9.186-3.926-4.2850.5240.729-0.6391.569-2.257-0.8660.7420.635-3.631.72-1.309-6.6771.648NANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▅▇▇▅▄▅▄▅▆▅▅▃▆▅▆▆▇▅▆▅▇▆▄▆▁▅█▅▆▅▆▅▅▆▆▅▆▆▄▆1.86-3.95410.7568.19-4.12-10.209-2.538-8.241-3.2220.987-3.357-1.809-13.0344.657-2.4825.5915.5496.194-3.9530.928-2.0726.2210.756-10.7081.871-25.154-2.114.307-0.2020.296-0.6971.629-2.257-0.8660.7420.635-3.6711.7611.706-6.7120.642NANANANA
us-gaap:OtherIncome ▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▂▁▂▁▁▁▁▂▂▃▇▁▁█▃▂▁▁▁▁▁▁▃▁3.3834.7843.6595.0753.7584.9213.35.9716.0113.6314.1494.1541.4290.9740.7391.1710.8760.9760.5640.7830.3053.6821.1834.2032.4952.0762.9242.2113.538.1969.36933.2691.1740.83138.8758.6687.2863.0292.9991.2830.8030.3110.68211.770.506
us-gaap:OtherNonoperatingIncomeExpense ▄▄▄▄▄▄▅▄▄▅▁█▄▅▄▇▄▄▄▇▅▄▅▆▄▅▄▆▄▄1.8645.4061.6874.7791.129-6.01511.6422.0950.19421.202-91.44108.776-0.8133.9420.01688.1954.8555.089-1.16991.65310.012-2.91728.19262.4451.33131.9734.09145.8921.667-2.223NANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▅▆▄▅▅▅▄▄▅▆▄█▅▆▁▇▅▅▅▆▅▅█▆▅▅▄▅▅▅▄▅▇▅▅▄▄▅▄▄▅▅▅▅▅22.84159.125-12.74424.9339.55921.032-33.4752.5621.76587.174-29.859162.30449.9997.431-157.666110.54828.95322.09216.88874.26620.56316.291172.49254.58515.01726.224-36.78511.12911.31510.5021.62531.988129.5410.60218.4340.9894.3811.716.917-3.14417.44917.13824.01819.49612.811
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▅▅▅▅▅▅▅▅▅▅▁▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅█▅▅▅▅▅▅▅▅▅▅▅▅418.787464.889479.426386.441412.732484.731487.156439.291449.247456.0-771.475796.874787.082956.646894.234827.028737.757707.43678.122643.505651.96639.036673.444685.295669.131547.567489.283436.216417.581440.291426.605433.3451193.167444.969482.177440.317449.538394.961355.169379.935364.558365.023321.755326.502335.704
us-gaap:Revenues ▆▆▆▆▆▆▆▆▆▆▁▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▅▆▆▆█▆▆▆▆▅▅▅▅▅▅▅▅512.45567.576479.426455.039519.088603.167487.156521.137551.187544.751-956.166977.254960.076956.646894.234827.028737.757707.43678.122643.505651.96639.036673.444685.295669.131547.567489.283436.216417.581440.291426.605433.3451193.167444.969482.177440.317449.538394.961355.169379.935364.558365.023321.755326.502335.704
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:Assets ▅▅▃▄▄▅▃▆▅▄▃█▆▆▅▇▅▄▃▄▅▄▃▄▃▅▂▂▂▃▂▂▃▂▁▂▁▁▁▁▁5133.4795570.6653949.34594.2854502.3545728.1593916.126548.0575391.8185044.8763432.7578732.2966848.6736777.4965457.137253.3695180.8824907.6913508.44811.9095112.3844549.7273991.4544117.8463971.7265290.2422751.1272683.7872452.4133072.8942079.3632948.0473448.2682500.3591638.9392022.9761875.5211852.8471405.1851902.0031829.408NA1470.314NANA
us-gaap:Liabilities ▅▅▄▄▄▆▄▇▅▅▃█▆▆▅▇▅▄▃▄▅▄▃▄▃▅▂▂▂▃▁▂▃▂▁▂▂▂▁▂▂4324.5524680.2543120.3973768.383716.3334988.7463148.7455723.9584515.4434141.092544.8776791.8675134.2035290.7894270.9746320.4894009.9773715.0592302.0853568.4433904.4283324.8112691.7393081.3262841.4494306.4822109.7041981.9371750.6712325.8541309.6982139.5512610.2732009.5831132.6881550.4031382.0151347.642904.2181436.8021377.5NA1045.272NANA
us-gaap:LiabilitiesAndStockholdersEquity ▅▅▃▄▄▅▃▆▅▄▃█▆▆▅▇▅▄▃▄▅▄▃▄▃▅▂▂▂▃▂▂▃▂▁▂▁▁▁▁▁5133.4795570.6653949.34594.2854502.3545728.1593916.126548.0575391.8185044.8763432.7578732.2966848.6736777.4965457.137253.3695180.8824907.6913508.44811.9095112.3844549.7273991.4544117.8463971.7265290.2422751.1272683.7872452.4133072.8942079.3632948.0473448.2682500.3591638.9392022.9761875.5211852.8471405.1851902.0031829.408NA1470.314NANA
us-gaap:StockholdersEquity ▅▆▅▅▅▅▅▅▆▆▆█▇▇▄▅▆▆▆▇▆▆▅▃▄▂▂▂▂▃▃▃▃▁▂▁▁▁▁▁▁722.91792.732748.939729.448697.758659.794685.826722.175766.337784.583768.3731022.337952.618877.849633.886684.386836.856844.882841.863889.554846.405854.703651.123527.768546.696394.462401.516430.284415.722448.623464.368481.226471.85329.423334.292305.743320.375327.932316.654305.424278.828NA236.917NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▄▄▃▃▃▂▂▂▁▁▂▂▂▄▃▃▂▃▂▂▃▃▂▂▂▄▂▃▄▅▅█▁▂▁▂▁▂▂▁▂▂▁▁420.302574.384593.646492.303463.554455.016415.379413.951399.429331.668336.535364.399398.469362.613634.333545.981462.042428.852502.024448.515427.558456.116461.207424.39364.013425.649648.277411.068558.192639.018716.919757.9491070.342338.414388.409313.307367.757310.526369.713432.316286.239400.539364.104314.073341.41
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NoncurrentAssets ▆▆▆▆▆▆▆▆▆▅▄██▇▇▇▇▇▆▆▆▅▅▆▆▆▂▁▁▁▁▁▁▁▁▁▁1464.1781657.8691655.8481650.8391616.8071582.5791564.9161518.4661515.041313.2051200.0691993.4211889.0271836.7081802.8531764.4841704.5891678.431560.9291476.9531459.3921439.3891368.591626.5591617.0731528.653676.659542.051497.744464.359468.711459.56549.904549.186559.368531.314545.954NA520.72NANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NA482.217472.955474.069479.359457.161446.576543.621520.922501.756462.27557.55539.625516.403494.688480.404456.414435.288415.537461.219444.156427.575420.663658.184643.433657.794361.069349.769337.686348.109379.3378.61368.365389.732435.096490.798489.376NA448.74NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType bgcp:LeaseHoldImprovementsAndOtherFixedAssetsNA118.796120.951126.556125.302117.695116.231154.636146.707141.727127.349200.485197.27186.952179.178174.756169.132162.49154.602162.031154.969145.418137.736159.442153.685152.306105.389103.559101.145101.803113.012111.428107.151110.449111.575123.224130.911NA111.573NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerEquipmentNA93.81392.56597.999101.85496.03295.115154.421150.913147.517140.451155.946155.283154.171151.499149.896144.204138.326130.538148.012145.234143.104142.511276.857275.02292.242151.808146.949142.19136.801156.835158.565156.761159.271176.845218.954215.963NA198.322NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareAndSoftwareDevelopmentCostsNA269.608259.439249.514252.203243.434235.23234.564223.302212.512194.47201.119187.072175.28164.011155.752143.078134.472130.397151.176143.953139.053140.416221.885214.728213.246103.87299.26194.351109.505109.453108.617104.453120.012146.676148.62142.502NA138.845NANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NA270.984258.173255.415265.063254.146241.735348.241341.598332.157305.101341.419329.163319.497305.341294.8280.677267.903249.67305.879296.138282.197274.79507.505496.172495.575249.049235.402221.041228.364251.685247.347236.162250.184293.987350.017347.458NA312.672NANANANANANA
us-gaap:AmortizationOfIntangibleAssets ▆▆▆▇▆▇▆▇▇▇▄▇▇█▇▇█▆▅▅▅▅▆▇█▅▂▁▁▁▂▂▂▁▁▁▁▁▁▁▁6.77.06.67.26.38.26.38.17.87.23.77.37.68.78.08.08.86.25.14.84.95.46.07.68.74.82.01.00.60.61.41.22.00.90.90.90.90.90.90.80.9NANANANA
us-gaap:PropertyPlantAndEquipmentNet NA211.233214.782218.654214.296203.015204.841195.38179.324169.599157.169216.131210.462196.906189.347185.604175.737167.385165.867155.34148.018145.378145.873150.679147.261162.219112.02114.367116.645119.745127.615131.263132.203139.548141.109140.781141.918NA136.068NANANANANANA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities srt:ParentCompanyNANA732.658NANANA669.402NANANA757.298NANANA656.263NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Goodwill ▄▅▅▅▅▅▅▅▅▅▄█████▇▇▇▇▇▇▇██▇▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁487.434556.392556.211553.688552.023552.001553.745552.427560.284560.181504.646979.627946.855944.795945.582926.784884.753882.735863.69830.246816.156814.105811.766953.923933.579888.932392.57244.805184.237171.415163.339163.702163.684163.474164.874142.156142.204142.179141.14281.65183.564NA82.853NANA
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill ▅▅▅▅▅▅▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▇█▁▁▁▁▁▁▁▁▁▂▂82.00481.97381.97881.86981.83781.81795.53795.58695.65395.63388.93391.84191.8792.02491.97791.88992.78291.79297.88691.75591.75591.75591.755104.265104.265128.43512.18512.18512.18512.18512.18512.18512.18512.18512.18521.12521.249NA16.994NANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▅▇▇▇▇▇▇▇▇█▇▇▇▇▇▇██▆▅▆▆▆██▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁219.291281.571287.157291.339296.403302.424303.224308.5310.751319.101298.779293.98298.109307.183311.021312.861316.049329.095247.723219.059223.758228.493233.967320.4337.189307.29527.9824.74717.21917.74118.1819.37920.64419.85420.3221.12521.24916.29916.99411.52812.456NA13.603NANA
us-gaap:FiniteLivedIntangibleAssetsNet ▅▇▇▇▇▇▇▇▇█▇▇▇▇▇███▅▅▅▅▅▇█▆▁▁▁▁▁▁▁▁▁▁▁137.287199.598205.179209.47214.566220.607207.687212.914215.098223.468209.846202.139206.239215.159219.044220.972223.267237.303149.837127.304132.003136.738142.212216.135232.924178.8615.79512.5625.0345.5565.9957.1948.4597.6698.1358.949.064NA11.146NANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA100.972NANANA78.63NANANA77.535NANANA213.838NANANA184.261NANANA153.458NANANA138.374NANANA112.189NANANA30.201NANANA18.651NANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▃▅▃▄▄▅▅▆█140.607156.094165.969157.756160.333161.41169.065168.338176.087190.219NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi ▁▁▁▁▁▁▂▂▂▂▂█▅0.360.3380.3490.3030.2780.24514.22813.2212.77229.98932.064152.48578.109NA208.176NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:TaxesPayableCurrent NANA255.944NANANA217.361NANANA231.442NANANA249.181NANANA202.924NANANA185.023NANANA150.404NANANA174.371NANANA82.501NANANA94.214NANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:LongTermDebt ▆███▆▆▆▆▄▄▄▆▅▅▅▅▅▅▅▅▇▄▄▄▄▅▃▁▁▁▁▁▁▁▁▁1041.8131296.9651296.0811295.1391041.551040.7911040.0641039.505743.083742.467742.5161040.862945.652946.258946.93947.592948.257948.911949.557951.1811112.593817.314817.879816.388814.905963.464706.7410.348409.148407.957406.774405.601404.437403.281402.134401.002NANA288.976NANANANANANA
us-gaap:LongTermDebtNoncurrent ▄▄▄▄▄▅▃▃▃▂▁▄▄▅▆█1243.2481313.2951315.9351318.491290.9731368.2211142.6871105.4981062.2211008.231763.5481323.031289.2691375.9431650.5091955.807NANA965.767NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:SecuredLongTermDebt NA16.3319.85423.35126.82530.27233.67537.07940.45817.31821.03124.71228.3631.97635.55939.11NANA16.21NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:SecuredLongTermDebt us-gaap:DebtInstrument us-gaap:CollateralizedDebtObligations12.783NA19.854NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:SecuredLongTermDebt us-gaap:DebtInstrument,us-gaap:ShortTermDebtType bgcp:ThreePointEightNinePercentageSecuredLoanArrangement,bgcp:LongTermDebtAndCollateralizedBorrowingsNANA6.3NANANA8.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:SecuredLongTermDebt us-gaap:DebtInstrument,us-gaap:ShortTermDebtType bgcp:ThreePointSevenSevenPercentageSecuredLoanArrangement,bgcp:LongTermDebtAndCollateralizedBorrowingsNANA9.6NANANA13.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▁▁█▇▅▅▂▃▃▃▃▃▃▆▄▂▂▂▂▂▃▃▃▃▁▁▁66.43577.6959.2973.17764.9256.16257.91177.36485.10994.06394.801867.822714.736561.353505.855196.486282.574295.917311.875297.471306.089314.764591.447447.026179.267184.434180.406210.533217.954231.42238.379249.435286.77182.46293.1289.868NANA98.044NANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▁▂█▄25.9826.81633.33529.621NANA27.839NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▁▂█▅21.36222.20326.88724.21NANA29.205NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▁▂█▅16.87417.52522.23519.655NANA24.926NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA17.563NANANA19.995NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA114.011NANANA126.254NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:StockholdersEquity ▅▆▅▅▅▅▅▅▆▆▆█▇▇▄▅▆▆▆▇▆▆▅▃▄▂▂▂▂▃▃▃▃▁▂▁▁▁▁▁▁722.91792.732748.939729.448697.758659.794685.826722.175766.337784.583768.3731022.337952.618877.849633.886684.386836.856844.882841.863889.554846.405854.703651.123527.768546.696394.462401.516430.284415.722448.623464.368481.226471.85329.423334.292305.743320.375327.932316.654305.424278.828NA236.917NANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▃▃▃▃▃▃▃▃▃▃▃█▇▆▅▃▄▅▅▅▅▅▅▄▃▂▂▂▂▂▃▃▃▁▁▁▁▁▁▁▁789.345870.422808.229802.625762.678715.956743.737799.539851.446878.646863.1741890.1591667.3541439.2021139.741880.8721119.431140.7991153.7381187.0251152.4941169.4671242.57974.794725.963578.896581.922640.817633.676680.043702.747730.661758.621411.885427.412395.611413.071423.126414.698377.889357.185NA331.856NANA
 us-gaap:CommonStockValue us-gaap:RelatedPartyTransaction,us-gaap:StatementClassOfStock bgcp:NewControlledEquityOfferingsProgram,us-gaap:CommonClassA███▇▇▇▁210.8210.8210.8210.6210.6210.6209.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassA█▇▇▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁4.1693.8583.7353.6583.6383.6163.5843.5283.4843.4393.4173.4383.413.2863.0633.0132.9972.9672.9252.8952.8612.8072.5592.5222.4972.2292.2022.172.122.0912.0271.981.5441.4891.4191.331.2641.2281.1521.1021.039NA0.881NANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassB███████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁0.4590.4590.4590.4590.4590.4590.4590.4590.4590.4590.4590.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.348NA0.258NANA
us-gaap:AdditionalPaidInCapitalCommonStock █████████▇▇▇▇▇▆▅▅▅▅▅▅▄▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁2367.4582365.752354.4922317.7062308.9732293.0652271.9472243.8892228.8542210.0332208.2212116.5142104.8981984.2971763.3711634.891520.6271495.8591466.5861448.6011413.2451380.3541109.01006.3861018.902840.799817.158801.494772.501762.809745.678729.184717.066583.791575.381546.228536.071515.127489.369478.205423.167NA366.827NANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▁▁▁▁▁▁▂▂▂▂▄▃▃▃▄▆▆▆▆▆▇▇▇▆▇▇▇▇▇▇▇▇▇▇▇█████-1211.87-1226.187-1265.504-1237.657-1253.434-1277.956-1241.754-1176.741-1124.86-1090.585-1105.019-798.717-860.107-837.753-859.009-686.13-415.053-385.435-358.526-309.544-326.018-297.816-273.492-303.234-306.513-281.374-268.92-223.901-204.812-186.291-167.923-146.218-145.835-160.066-147.452-143.314-117.963-96.122-80.726-62.518-39.422NA-23.616NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▃▂▁▁▃▃▄▄▄▄▅▆▆▆▅▅▄▅▄▅▄▄▅▅██▆▆▆▆▆▇▇▇▆▇▇▆▇-30.605-32.284-28.93-39.405-46.57-44.082-33.102-33.652-26.39-23.553-24.465-21.553-19.374-8.754-10.486-8.236-13.001-17.774-23.199-19.976-20.743-19.073-25.056-25.942-16.252-17.8534.3036.196-5.981-5.809-6.06-5.462-6.845-4.917-4.182-4.809-5.333-2.322-3.752-5.1310.278NA-0.977NANA
us-gaap:TreasuryStockValue █▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁406.701318.864315.313315.313315.308315.308315.308315.308315.21315.21314.24313.427312.909303.873303.873301.236297.378293.555288.743277.443267.703261.832212.331207.796206.767206.514200.958179.506157.821136.238121.753114.397110.219110.09110.09110.09110.09110.09109.87109.753109.753NA109.627NANA
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▁▁█▇▅▅▂▃▃▃▃▃▃▆▄▂▂▂▂▂▃▃▃▃▁▁▁66.43577.6959.2973.17764.9256.16257.91177.36485.10994.06394.801867.822714.736561.353505.855196.486282.574295.917311.875297.471306.089314.764591.447447.026179.267184.434180.406210.533217.954231.42238.379249.435286.77182.46293.1289.868NANA98.044NANANANANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues ▁▁▁▁▁▁▁▁▁▁▁▁▄█▃▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▁0.130.5430.2690.244.7020.2930.2910.2690.2530.3030.290.29381.209231.0557.1730.1540.2820.1120.4582.04515.10.1750.1640.4590.1240.3610.1010.1030.0780.079-5.4323.7214.4813.2397.754-1.0130.21419.11312.5410.634NANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▁▁▁▁▁▂▂▂▃▃▃▅▇▅▂▄▃▄▁▂▃▂▁▃▃▂▂▂▂▂▂▅▂▂▃▂▂▃▂█4.9586.4478.2843.1426.94318.218.30618.46925.65327.18821.13354.22474.90251.22518.4334.5531.09134.7245.69618.01322.85215.6979.01722.36621.38417.77118.20311.73113.85712.0313.13245.39311.25319.70423.79618.34617.9829.84118.62486.674NANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities █▁154.12444.191NA68.508144.621-71.594NA75.294119.064-60.778NA-563.898NANANA352.038NANANANANANANANANANANANANANA63.80742.53552.5077.51775.54512.07995.365-11.78948.05241.424-65.05260.9286.8432.959NA
us-gaap:NetCashProvidedByUsedInInvestingActivities █▁-11.972-13.142NA-21.82-24.546-18.383NA-21.143-4.01612.068NA-39.99NANANA-28.393NANANANANANANANANANANANANANA-16.376-186.232740.912-11.55135.478-13.393-39.142-50.926-61.025-8.205-11.643-11.773-15.667-13.26NA
 us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:Restatement srt:ScenarioPreviouslyReportedNANANA-21.82-24.546-18.383NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁█-216.737-48.274NA-5.244-89.647124.721NA-29.448-25.861158.757NA557.098NANANA-329.53NANANANANANANANANANANANANANA-88.396-169.426-60.671-44.85-36.674-54.0293.6322.063-48.338114.557-38.424-19.174-20.468-21.402NA
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:Restatement srt:ScenarioPreviouslyReportedNANANA-5.244-89.647124.721NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▄▅▅▅▅▄▅▅▅▁▄█▁▅▄-72.551-18.781114.14449.53329.63821.248-1.36621.36188.003111.338-358.64-46.607421.299-396.064110.847-9.718NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect us-gaap:Restatement srt:ScenarioPreviouslyReportedNANANA49.53329.63821.248NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:DeferredIncomeTaxExpenseBenefit ▄▄▄▄▅▅▄▅▅▄▃▅▅▅█▄▄▅▆▂▄▄▇▅▄▅▆▄▅▅▄▄▁▄▄▄-4.051-0.35-15.347-1.924-0.0640.786-1.984-0.1882.265-1.896-32.3832.6276.5420.57961.997-0.712-1.6124.58724.67-50.244-4.907-2.76452.4975.358-3.856.0129.153-4.0840.5640.552-10.523-2.422-62.39-6.654-6.411-1.024NANA2.584-2.88NANA2.452-1.863NA
 us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:Restatement srt:RevisionOfPriorPeriodErrorCorrectionAdjustmentNANANA6.10.01.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:Restatement srt:ScenarioPreviouslyReportedNANANA-1.924-0.0640.786NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DepreciationDepletionAndAmortization ▇▇▇▇▇▇▇▇▇▆▁█▇▇▇▇▇▆▆▆▆▆▆▇█▅▃▃▃▃▃▃▄▄▄▄▄▄▄▃▃▃▄▃21.25521.65521.0421.23319.91921.92320.75620.17620.0718.4645.81222.63620.72922.31821.1420.49421.31919.38819.03318.41318.98419.46819.56922.14523.68416.59911.97611.16310.78910.81911.63310.66612.28412.56912.73113.50212.23712.51513.07812.11111.94812.14412.74811.895NA
us-gaap:NetCashProvidedByUsedInOperatingActivities █▁154.12444.191NA68.508144.621-71.594NA75.294119.064-60.778NA-563.898NANANA352.038NANANANANANANANANANANANANANA63.80742.53552.5077.51775.54512.07995.365-11.78948.05241.424-65.05260.9286.8432.959NA
us-gaap:NetIncomeLoss ▅▆▄▅▅▅▄▄▅▆▄█▆▆▁▇▅▅▅▆▅▅▆▆▅▅▄▅▅▅▅▅▅▅▅▄▅▅▅▄▅▅▅▅▅18.16943.091-2.33819.38128.09914.314-20.561-3.52913.61161.868-16.743120.28635.20358.774-119.79981.52921.76818.21512.21160.88215.72513.65965.01538.3719.34714.055-18.6857.2117.6018.0084.13425.32634.4666.99814.168-0.4511.9588.1893.84-2.0339.6648.66611.7516.2247.398
us-gaap:ProfitLoss ▅▆▄▅▅▅▄▄▅▆▄█▅▆▁▇▅▅▅▆▅▅█▆▅▅▄▅▅▅▄▅▇▅▅▄▄▅▄▄▅▅▅▅▅22.84159.125-12.74424.9339.55921.032-33.4752.5621.76587.174-29.859162.30449.9997.431-157.666110.54828.95322.09216.88874.26620.56316.291172.49254.58515.01726.224-36.78511.12911.31510.5021.62531.988129.5410.60218.4340.9894.3811.716.917-3.14417.44917.13824.01819.49612.811
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities █▁-11.972-13.142NA-21.82-24.546-18.383NA-21.143-4.01612.068NA-39.99NANANA-28.393NANANANANANANANANANANANANANA-16.376-186.232740.912-11.55135.478-13.393-39.142-50.926-61.025-8.205-11.643-11.773-15.667-13.26NA
 us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:Restatement srt:ScenarioPreviouslyReportedNANANA-21.82-24.546-18.383NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▃▂▂▅▇▄▆▆▇▆▁▃▆▆▄▅▆▆█▇▆▆▆▇▅▄▃▃▂▃▅▃▂▄▄▆▆▅▅▃▅▅▄▃4.2051.7072.2438.52813.4276.63110.04711.77912.71612.123-1.1284.30911.3779.976.9537.65211.4689.87815.81514.20210.74811.89410.8112.6068.7115.4993.6844.8391.8893.3159.5244.6682.1556.6417.3429.88511.8827.658.6183.4457.497.6375.1034.393NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁█-216.737-48.274NA-5.244-89.647124.721NA-29.448-25.861158.757NA557.098NANANA-329.53NANANANANANANANANANANANANANA-88.396-169.426-60.671-44.85-36.674-54.0293.6322.063-48.338114.557-38.424-19.174-20.468-21.402NA
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:Restatement srt:ScenarioPreviouslyReportedNANANA-5.244-89.647124.721NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument bgcp:FivePointOneTwoFivePercentageSeniorNotesNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsOfDividendsCommonStock ▁▁▁▁▁▆█▆▅▆▇█▇▇▇▇▇▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▃▃▃▄▃▃▃▃▃▂▂▂3.8523.7743.6263.6043.57749.63361.40342.03641.56947.43455.21863.09557.55755.57652.02251.58451.38645.12444.47744.40843.9337.9835.27335.09234.48626.50926.33426.326.12226.37625.83925.70920.23519.61218.30624.89923.823.58522.04521.06320.36513.77113.24212.739NA
us-gaap:PaymentsForRepurchaseOfCommonStock █▁▁103.3864.3970.0NANANA0.00.00.01.2360.6330.095NANA2.2163.9674.476.1223.3252.977.05162.6795.3280.90.0435.84324.2628.32328.5519.1359.7625.578NANA0.00.00.00.3370.2660.00.0710.0550.0242.476NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30

Common Stock Value

us-gaap:CommonStockValue us-gaap:RelatedPartyTransaction, us-gaap:StatementClassOfStock

us-gaap:CommonStockValue

bgcp:NewControlledEquityOfferingsProgram, us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value210210210210210210209
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.13.85.34.64.73.75.4
Percentage of Assets bgcp:NewControlledEquityOfferingsProgram us-gaap:CommonClassA0.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4.1693.8583.7353.6583.6383.6163.5843.5283.4843.4393.4173.4383.413.2863.0633.0132.9972.9672.9252.8952.8612.8072.5592.5222.4972.2292.2022.172.122.0912.0271.981.5441.4891.4191.331.2641.2281.1521.1021.0390.881
Percentage of CommonStockValue2.01.81.81.71.71.71.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.00.00.00.10.00.10.10.10.10.10.10.10.10.10.00.10.10.10.10.10.10.00.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value0.4590.4590.4590.4590.4590.4590.4590.4590.4590.4590.4590.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.258
Percentage of CommonStockValue0.20.20.20.20.20.20.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassB0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementClassOfStock

us-gaap:SharesOutstanding

us-gaap:CommonClassA


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-06-232015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value3483343233153133113073022972932912932902792562522512482442432412362192162132131861851851841851811781361301231141081049770
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued us-gaap:RelatedPartyTransaction, us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesIssued

bgcp:NewControlledEquityOfferingsProgram, us-gaap:CommonClassA


Common
Period End2020-12-312020-06-302020-03-312019-12-31
Value17171717
Percentage of CommonStockSharesIssued100.0100.0100.0100.0

us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-07-272010-12-31
Value4163853733653633613583523483433413433413283063012992962922892862802552522492222202172112092021971541481410.1330351261221151100.99591188
Percentage of CommonStockSharesIssued0.00.02122.40.02067.32054.42059.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value45454545454545454545453434343434343434343434343434343434343434343434340.0348483434343425
Percentage of CommonStockSharesIssued0.00.0260.70.0260.7260.7263.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value3483343233153133113073022972932912932902792562522512482442432412362192162131861851851841851811781361301230.114993108104979270
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonClassB


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value45454545454545454545453434343434343434343434343434343434343434343434340.0348483434343425
Percentage of CommonStockSharesOutstanding13.213.714.214.614.614.814.915.215.415.615.711.912.012.513.613.813.914.014.214.314.414.715.916.116.318.618.818.818.918.819.219.525.626.628.130.332.233.335.837.836.8

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value563557365549546538351346522516487481478457451444429437434394366338331326322355378317146274264124244237228226
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding us-gaap:Restatement

srt:ScenarioPreviouslyReported


Weighted
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value549546538351346522516
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value384374365363360358351346341338327321307288286283278275273252244222220220220219171163146140136124112979184
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic us-gaap:Restatement

srt:ScenarioPreviouslyReported


Weighted
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value363360358351346341338
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value0.0310.12.72.60.21820.60.40.00230.00560.00.00.00470.01.01.01.01020414444446.46.647188484716527
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities, us-gaap:StatementEquityComponents

us-gaap:RestrictedStockUnitsRSU, bgcp:ContingentClassCommonStock


Antidilutive
Period End2021-03-312020-03-31
Value3418
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount34300.09100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

bgcp:BGCHoldingsPartnershipUnits, bgcp:ContingentClassCommonStock


Antidilutive
Period End2021-03-312020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value34180.00.00.020175.5e-06
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount34300.09100.00.00.00.0873913.0303571.40.0

bgcp:NonDistributingPartnershipUnits, bgcp:ContingentClassCommonStock


Antidilutive
Period End2021-03-312020-03-31
Value3418
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount34300.09100.0

us-gaap:LimitedPartner, bgcp:ContingentClassCommonStock


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value34181.43.14.15.13.94.66.1107.08.910104.7
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount34300.09100.0350.00.00.00.0390.0460.0610.00.069.342.825.70.00.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.050.12-0.010.050.080.04-0.06-0.010.040.18-0.070.360.110.19-0.420.280.080.060.040.220.060.050.260.150.040.06-0.080.030.030.040.010.120.20.040.0900.010.060.02-0.020.090.090.130.070.09
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareBasic us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Earnings
Period End2020-09-302019-12-312019-09-30
Value-0.02-0.01-0.01
Percentage of EarningsPerShareBasic-40.016.7100.0

srt:ScenarioPreviouslyReported


Earnings
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-06-30
Value0.050.080.04-0.05-0.010.040.180.08
Percentage of EarningsPerShareBasic100.0100.0100.083.3100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.050.11-0.010.050.070.04-0.06-0.010.040.180.350.10.19-0.420.280.070.060.040.210.060.050.250.150.040.06-0.080.030.030.040.010.110.180.040.0900.010.060.02-0.020.090.090.130.070.09
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareDiluted us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Earnings
Period End2020-09-302019-12-312019-09-302019-03-31
Value-0.02-0.01-0.01-0.01
Percentage of EarningsPerShareDiluted-40.016.7100.0-5.6

srt:ScenarioPreviouslyReported


Earnings
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-06-30
Value0.050.070.04-0.05-0.010.040.180.07
Percentage of EarningsPerShareDiluted100.0100.0100.083.3100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1939-2.41126253.334-15.693-10.7911062-19.6541182462-122.0498626238.988611419652810-8.101-20.578197.4298.2593.53626326.263140.073-1.0539.6195.219-7.442109.4233510
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating173.31308.0307.91097.8391.880.1-547.7-271.4137.91713.086.7740.7198.8717.9-1197.3735.9442.3715.7270.82208.1372.1824.31501.22067.8346.3-475.1-1230.01180.8385.9398.6170.71708.81970.8404.61079.15.2-68.2438.2386.3-430.21065.2670.25350.5873.7

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.85315-15.7526.5749.8287.489-13.4015.117.76925-13.562421239
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating42.4508.02011.7271.9150.4180.0-467.7128.599.4692.559.9265.8100.1449.1

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2455-18.163333510-29.094-5.6811888-33.21616036102-160.14811634281275182217343161.07-38.8852511100.928331279.736191.6240.709138.623-9.85618182325
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating215.61816.02319.71369.7542.2260.1-1015.5-142.9237.32405.5146.61006.5298.91167.0-1571.0990.4574.9856.4389.72693.2489.6944.73946.43163.4534.362.8-2324.31549.1577.3521.144.82150.87709.4628.91398.7116.245.9613.7638.3-569.71896.31294.03616.82105.1

Income Loss From Continuing Operations Attributable To Noncontrolling Entity

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity

bgcp:Cantor


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value0.50.04-0.30.90.4-0.12.60.20.6-0.30.71.40.80.30.60.70.21.40.2-0.60.6
Percentage of IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating4.41.338.337.26.1-2.490.85.07.7-8.2-3.18.857.79.535.241.812.272.79.7-29.038.4
Percentage of InterestAndDividendIncomeOperating bgcp:Cantor0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value2174-19.473284829-29.48.74636117-238.33521965133-62.4821424528311043121251831736-59.2862914111.314220813283.6124.451810-4.482
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating189.02437.92487.01187.3737.5714.7-1026.2220.0470.53194.31052.01373.8532.91522.6-612.91214.4758.2870.5948.73743.9823.7886.75738.86007.4546.92127.3-3543.71823.2774.8542.863.32729.612613.6884.82098.0258.6288.4861.6801.0-259.1

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-10.246-0.3281.306-4.939-3.608-1.19-6.313
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-35.7-0.74.416.8-41.3-3.2-5.4
Percentage of InterestAndDividendIncomeOperating-423.7-5.031.4-172.4-90.7-15.2-172.3
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-06-30
Value284829-24.4618.7463611745
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.083.2100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating1187.3737.5714.7-853.8220.0470.53194.3758.2
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-1.19114-6.7293.7788.6418.7064.0756.1861429-32.3075615359531166.6591430104.8479282.27210-22.501183.60.744-0.31510783.095102.6230.077.2023.905-1.3386.0317.4012.9426.8784.71
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-10.4491.7859.4156.2132.2209.2142.2155.6191.9815.7142.6355.9128.6408.8933.7271.7275.7201.6439.91083.9279.3203.11809.62071.971.9589.2-1344.91145.4187.035.9-15.2683.04767.5199.9753.4187.84.5328.1289.0-77.3632.2526.4448.5573.6603.1

us-gaap:IncomeTaxExpenseBenefit us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.78-0.0422.1691.980.505-1.732-4.113
Percentage of IncomeTaxExpenseBenefit126.5-0.524.948.68.2-11.6-13.8
Percentage of InterestAndDividendIncomeOperating197.7-0.652.169.112.7-22.2-112.2
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.7788.6418.7062.0956.1861429
Percentage of IncomeTaxExpenseBenefit100.0100.0100.051.4100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating156.2132.2209.273.1155.6191.9815.7
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.0

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value201.20111102.2061719157.3875.722281411124611145.80639196.16429244.0645.5129.862288.0481.86494.5531381.6457.57106.8673.39-0.171-4.3094.2976.8889.8061.2183.511
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating175.839.5-1515.6429.133.8419.6669.5395.194.5156.1-124.089.291.0148.1456.397.0249.2175.81189.6694.3163.21244.1551.8293.0174.4578.41690.9490.196.62400.1219.88850.799.6489.0744.4491.6219.7-7.8-318.9248.4722.0697.4185.7292.8

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value18172119171716151413-46.318332727322416141415141318161815109.1979.239.3359.4799.1649.9899.79.9919.7587.5787.5588.6896.7544.7684.3953.7773.7963.596
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating163.1587.7-2785.6806.0267.1416.6570.8383.8191.8360.1204.4209.9221.9310.2322.0208.3277.9448.7427.0551.0387.2564.8411.71221.6583.3932.7608.7560.1479.5450.5457.7586.3605.0626.6728.7698.5491.1344.3643.2390.4499.8312.6575.8316.6460.4

us-gaap:InterestExpense us-gaap:DebtInstrument, us-gaap:LongtermDebtType

bgcp:ThreePointEightNinePercentageSecuredLoanArrangement, us-gaap:SecuredDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.10.10.10.10.10.10.10.10.10.0
Percentage of InterestExpense0.50.60.50.50.60.60.60.70.70.0
Percentage of InterestAndDividendIncomeOperating0.93.3-12.84.11.52.43.52.51.30.0
Percentage of InterestAndDividendIncomeOperating bgcp:ThreePointEightNinePercentageSecuredLoanArrangement us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.0

bgcp:ThreePointFourFourPercentageSecuredLoanArrangement, us-gaap:SecuredDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0110.0280.00.10.10.10.10.10.10.20.20.20.20.20.20.20.1
Percentage of InterestExpense0.10.20.00.50.60.60.60.70.71.5-0.40.60.70.70.60.80.6
Percentage of InterestAndDividendIncomeOperating0.10.9-0.04.11.52.43.52.51.35.5-0.91.31.62.32.01.71.7
Percentage of InterestAndDividendIncomeOperating bgcp:ThreePointFourFourPercentageSecuredLoanArrangement us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:ThreePointSevenSevenPercentageSecuredLoanArrangement, us-gaap:SecuredDebt


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.10.00.10.10.10.20.10.10.0
Percentage of InterestExpense0.60.00.50.60.61.20.70.70.0
Percentage of InterestAndDividendIncomeOperating3.3-0.04.11.52.47.02.51.30.0
Percentage of InterestAndDividendIncomeOperating bgcp:ThreePointSevenSevenPercentageSecuredLoanArrangement us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.0

us-gaap:InterestExpense us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.1770.1680.1720.7180.1450.1510.155
Percentage of InterestExpense0.91.01.04.41.01.01.2
Percentage of InterestAndDividendIncomeOperating7.32.64.125.13.61.94.2
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value19171715151413
Percentage of InterestExpense100.0100.0100.095.6100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating806.0267.1416.6545.8383.8191.8360.1
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.0

Interest Expense Long Term Debt

us-gaap:InterestExpenseLongTermDebt us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:InterestExpenseLongTermDebt

bgcp:SeniorRevolvingCreditAgreement, bgcp:UnsecuredCreditAgreementNovemberTwentyEightTwoThousandEighteen


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.70.50.92.11.73.63.22.0
Percentage of InterestExpenseLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating6.116.537.232.140.990.541.054.6
Percentage of InterestAndDividendIncomeOperating bgcp:SeniorRevolvingCreditAgreement bgcp:UnsecuredCreditAgreementNovemberTwentyEightTwoThousandEighteen0.00.00.00.00.00.00.00.0

us-gaap:InterestExpenseLongTermDebt us-gaap:DebtInstrument

bgcp:FivePointOneTwoFivePercentageSeniorNotes


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.33.63.54.64.14.14.14.14.14.14.14.04.14.04.04.04.04.01.60.0
Percentage of InterestExpenseLongTermDebt328.6720.00.0511.1195.2241.20.0113.9128.1205.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating20.1118.5-447.0190.262.798.5143.1103.152.5111.933.245.740.234.166.7121.1120.5143.342.40.0
Percentage of InterestAndDividendIncomeOperating bgcp:FivePointOneTwoFivePercentageSeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:FivePointThreeSevenFivePercentSeniorNotes


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value6.46.46.56.46.46.4-19.16.46.54.34.34.34.34.34.34.34.34.34.34.34.34.34.31.00.00.00.0
Percentage of InterestExpenseLongTermDebt914.31280.00.0711.1304.8376.50.0177.8203.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating55.9210.7-830.1264.797.9153.8-666.7161.083.234.849.242.236.771.7130.2129.6154.0113.8180.497.9310.0136.0252.259.80.00.00.0
Percentage of InterestAndDividendIncomeOperating bgcp:FivePointThreeSevenFivePercentSeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:FourPointThreeSevenFivePercentageSeniorNotes


Interest
Period End2021-06-302021-03-312020-09-30
Value3.43.43.1
Percentage of InterestExpenseLongTermDebt485.7680.0344.4
Percentage of InterestAndDividendIncomeOperating29.7111.9128.2
Percentage of InterestAndDividendIncomeOperating bgcp:FourPointThreeSevenFivePercentageSeniorNotes0.00.00.0

bgcp:ThreePointSevenFiveZeroPercentSeniorNotes


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.03.03.03.03.03.03.10.10.00.0
Percentage of InterestExpenseLongTermDebt428.6600.00.0333.3142.9176.50.02.80.00.0
Percentage of InterestAndDividendIncomeOperating26.298.7-383.1124.145.972.1108.22.50.00.0
Percentage of InterestAndDividendIncomeOperating bgcp:ThreePointSevenFiveZeroPercentSeniorNotes0.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestExpenseLongTermDebt us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility, us-gaap:ShortTermDebtType

bgcp:UnsecuredLoanAgreement, bgcp:BancoDaycovalSA, bgcp:ShortTermLoans


Interest
Period End2021-06-30
Value0.01
Percentage of InterestExpenseLongTermDebt1.4
Percentage of InterestAndDividendIncomeOperating0.1
Percentage of InterestAndDividendIncomeOperating bgcp:UnsecuredLoanAgreement bgcp:BancoDaycovalSA bgcp:ShortTermLoans0.0

us-gaap:InterestExpenseLongTermDebt us-gaap:DebtInstrument, us-gaap:ShortTermDebtType

bgcp:UnsecuredLoanAgreement, bgcp:ShortTermLoans


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.10.10.10.10.10.10.10.20.10.20.10.20.10.20.1
Percentage of InterestExpenseLongTermDebt20.00.011.14.85.90.02.86.25.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating3.3-12.84.11.52.43.52.52.62.7-0.90.61.61.12.00.9
Percentage of InterestAndDividendIncomeOperating bgcp:UnsecuredLoanAgreement bgcp:ShortTermLoans0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Income Operating

us-gaap:InterestIncomeOperating us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:InterestIncomeOperating

bgcp:EmployeeLoans


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.32.22.71.71.21.21.71.11.01.0-2.22.22.01.71.71.71.61.61.51.61.71.0
Percentage of InterestIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating28.872.4-344.870.318.428.859.327.712.827.39.713.816.219.416.714.526.748.445.257.345.042.0
Percentage of InterestAndDividendIncomeOperating bgcp:EmployeeLoans0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2213211517159.946161113-29.4621940116.97422
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating192.2439.1-2750.4641.0262.3370.0347.2404.2152.6377.5130.0124.6324.5130.568.4195.0

Marketing And Advertising Expense

us-gaap:MarketingAndAdvertisingExpense

us-gaap:MarketingAndAdvertisingExpense


Marketing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value8.6167.4886.8915.9436.6341821202118-24.2613032293326292324222525262326201816181817192320202223
Percentage of MarketingAndAdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating75.2246.5-880.1245.8101.5449.4748.1511.1275.1502.1107.1193.5266.1341.2327.7228.8489.7708.0726.9809.9675.51074.2605.71684.9846.71200.91119.41018.9948.3869.9850.51269.31407.61312.31526.51585.81523.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1843-2.338192814-20.561-3.5291361-16.7431203558-119.7998121181260151365389.34714-18.6857.2117.6018.0084.13425346.99814-0.4511.9588.1893.84-2.0339.6648.666116.2247.398
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating158.61418.4298.6801.5429.9344.0-717.7-88.8174.21688.173.9754.3284.7671.9-1175.2695.3362.7551.5367.92180.6416.3573.21481.02766.5295.7824.3-1116.9439.2394.9386.5199.61620.32087.6452.11033.4-32.3126.9373.1284.2-117.51013.0616.41791.3519.1947.2

us-gaap:NetIncomeLoss us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-9.728-0.18-0.64-4.318-2.7760.361-1.412
Percentage of NetIncomeLoss-50.2-0.6-4.521.078.72.7-2.3
Percentage of InterestAndDividendIncomeOperating-402.3-2.8-15.4-150.7-69.84.6-38.5
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-06-30
Value192814-16.243-3.529136121
Percentage of NetIncomeLoss100.0100.0100.079.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating801.5429.9344.0-566.9-88.8174.21688.1362.7
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4.67216-10.4065.549116.718-12.9146.0898.15425-64.169421438-37.867297.1853.8774.677134.8382.632107165.6712-18.13.9183.7142.494-2.5096.662953.6044.2661.442.4223.5213.077-1.1117.7858.47212135.413
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating40.8527.81329.0229.5175.3161.5-450.8153.1104.4690.5283.2263.5119.6441.9-371.5247.5119.7117.4140.9479.4128.1110.42448.21169.0179.4713.7-1081.9238.6192.9120.4-121.1426.25758.6232.8311.2103.1157.0160.4227.8-64.2816.0602.61870.01106.9693.1

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-5.298-0.106-0.223-2.601-1.3370.181-0.788
Percentage of NetIncomeLossAttributableToNoncontrollingInterest-95.5-0.9-3.320.1-22.02.2-3.1
Percentage of InterestAndDividendIncomeOperating-219.1-1.6-5.4-90.8-33.62.3-21.5
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-06-30
Value5.549116.718-10.3136.0898.154257.185
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.079.9100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating229.5175.3161.5-360.0153.1104.4690.5119.7
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1843-2.338192814-20.561-3.5291361-18.5351183558-119.7998121181260151365389.34714-18.6857.2117.6018.0084.13425346.99814-0.4511.9588.1893.84-2.0339.6648.666116.2247.398
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating158.61418.4298.6801.5429.9344.0-717.7-88.8174.21688.181.8745.4283.3671.9-1175.2695.3362.7551.5367.92180.6416.3573.21481.02766.5295.7824.3-1116.9439.2394.9386.5199.61620.32087.6452.11033.4-32.3126.9373.1284.2-117.51013.0616.41791.3519.1947.2

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-9.728-0.18-0.64-4.318-2.7760.361-1.412
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-50.2-0.6-4.521.078.72.7-2.3
Percentage of InterestAndDividendIncomeOperating-402.3-2.8-15.4-150.7-69.84.6-38.5
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value192814-16.243-3.5291361
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.079.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating801.5429.9344.0-566.9-88.8174.21688.1
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2662294020-46.324-3.52921901715088-190.74512733271892252275581320-27.72101111-32.06540691327-0.4513.878153.84-2.0332120281519
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating227.22049.01223.1618.7486.9-1616.9-88.8268.92476.51076.9407.91014.6-1871.11087.3551.5835.9542.73299.5671.4931.71717.64220.5419.41216.5-1656.9654.6576.9557.8-1548.32597.64236.5875.11998.4-32.3251.3719.4284.2-117.52218.01481.84380.21332.72505.4

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value3.1556.8723.4446.2972.248-4.992123.625-0.68742-94.0621102.044392.219906.4575.8830.6339910-2.359421633.058325.015430.379-4.4985.31429
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating27.5226.2-439.8260.434.4-120.0443.091.2-8.81147.0415.2690.616.5454.321.8770.5107.6178.119.13559.5278.3-99.09591.04577.396.71909.7299.82634.119.7-217.1256.61865.4

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value493500502432473568529516513469-811.893868896863958774698684647638631615842665654543553449402429425390984431453436445376344384341340294300318
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating4312.116470.8-64156.217892.07238.913661.118472.912978.36575.512816.33583.65445.37247.59867.39406.96609.011643.320725.519501.822863.816715.925830.719192.647978.420718.131897.833089.327377.020917.720706.820535.724995.659655.727859.933071.831260.228845.617132.125488.322220.635752.424216.544938.325031.540740.5

us-gaap:OperatingExpenses us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value100.328-1.3067.1193.6081.191.691
Percentage of OperatingExpenses2.40.1-0.21.30.70.20.4
Percentage of InterestAndDividendIncomeOperating423.75.0-31.4248.590.715.246.1
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value432473568522516513469
Percentage of OperatingExpenses100.0100.0100.098.7100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating17892.07238.913661.118224.412978.36575.512816.3
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value2.139-4.036148.192.794-19.35910-8.241-3.2220.987-3.357-1.809-13.0343.658-0.4075.1344.5716.481-5.4230.417-0.1494.266-0.388-8.1012.254-9.186-3.926-4.2850.5240.729-0.6391.569-2.257-0.8660.7420.635-3.631.72-1.309-6.6771.648
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating18.7-132.9-1894.3338.742.7-465.2362.7-207.3-41.226.914.8-11.3-105.441.8-4.043.876.2196.2-163.414.9-3.9179.0-8.8-584.171.3-538.8-234.7-261.027.235.2-30.9100.4-136.7-55.954.145.5-235.378.4-96.9-386.0172.7

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1.86-3.954108.19-4.12-10.209-2.538-8.241-3.2220.987-3.357-1.809-13.0344.657-2.4825.5915.5496.194-3.9530.928-2.0726.2210.756-10.7081.871-25.154-2.114-0.2020.296-0.6971.629-2.257-0.8660.7420.635-3.6711.7611.706-6.7120.642
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating16.2-130.2-1373.7338.7-63.0-245.3-88.6-207.3-41.226.914.8-11.3-105.453.2-24.347.792.5187.5-119.133.2-54.9261.117.2-772.059.2-1475.3-125.5871.3-10.514.3-33.7104.2-136.7-55.954.145.5-237.980.2126.3-388.067.3

us-gaap:OtherComprehensiveIncomeLossNetOfTax 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
Value1.679-3.354107.165-2.488-10.980.55-7.262-2.8370.912-2.911-2.18-10.624.025-2.254.7654.7735.425-3.2230.767-1.675.9830.886-9.691.601-22.156-1.89312-0.1720.251
Percentage of OtherComprehensiveIncomeLossNetOfTax90.384.897.487.560.4107.6-21.788.188.192.486.7120.581.586.490.785.286.087.681.582.780.696.2117.290.585.688.190.185.185.184.8
Percentage of InterestAndDividendIncomeOperating14.7-110.4-1337.8296.3-38.1-263.919.2-182.6-36.324.912.8-13.7-85.946.0-22.140.679.5164.2-97.127.5-44.2251.120.2-698.650.6-1299.5-113.2741.6-8.912.1
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value0.181-0.60.2811.025-1.6320.771-3.088-0.979-0.3850.075-0.4460.371-2.4140.632-0.2320.8260.7760.769-0.730.161-0.4020.238-0.13-1.0180.27-2.998-0.2072.13-0.030.045
Percentage of OtherComprehensiveIncomeLossNetOfTax9.715.22.612.539.6-7.6121.711.911.97.613.3-20.518.513.69.314.814.012.418.517.319.43.8-17.29.514.411.99.914.914.915.2
Percentage of InterestAndDividendIncomeOperating1.6-19.7-35.942.4-25.018.5-107.8-24.6-4.92.02.02.3-19.57.2-2.37.012.923.3-22.05.8-10.610.0-3.0-73.48.5-175.8-12.4129.7-1.62.2
Percentage of InterestAndDividendIncomeOperating us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Income

us-gaap:OtherIncome

us-gaap:OtherIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3.3834.7843.6595.0753.7584.9213.35.9716.0113.6314.1494.1541.4290.9740.7391.1710.8760.9760.5640.7830.3053.6821.1834.2032.4952.0762.9242.2113.538.1969.369331.1740.831388.6687.2863.0292.9991.2830.8030.3110.682110.506
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating29.5157.5-467.3209.957.5118.3115.2150.276.999.1-18.326.111.611.17.210.014.629.517.028.08.1154.526.9303.078.9121.8174.8134.7183.4395.6452.42128.571.153.72835.5620.5472.2138.0222.074.284.222.1104.0981.764.8

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


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
Value1.8645.4061.6874.7791.129-6.015112.0950.19421-91.44108-0.81330.016884.8555.089-1.1699110-2.91728621.331314.091451.667-2.223
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating16.3177.9-215.5197.617.3-144.6406.452.72.5578.5403.6682.2-6.6388.00.2752.180.9154.1-35.23282.7265.1-122.4642.24502.242.11875.2244.52794.986.6-107.3

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2259-12.744243921-33.4752.562187-29.8591624997-157.666110282216742016172541526-36.7851111101.6253112910180.9894.38116.917-3.1441717241912
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating199.41946.21627.61031.0605.2505.5-1168.464.4278.62378.6131.81017.8404.31113.8-1546.7942.8482.5668.8508.82660.0544.4683.63929.23935.5475.11538.1-2198.7677.8587.8506.978.52046.67846.2684.91344.670.8283.9533.5512.0-181.71829.01218.93661.31626.01640.3

us-gaap:ProfitLoss us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-15.026-0.286-0.863-6.919-4.1130.542-2.2
Percentage of ProfitLoss-60.3-0.7-4.120.7-160.72.5-2.5
Percentage of InterestAndDividendIncomeOperating-621.4-4.4-20.7-241.5-103.46.9-60.0
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-06-30
Value243921-26.5562.56218728
Percentage of ProfitLoss100.0100.0100.079.3100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating1031.0605.2505.5-926.964.4278.62378.6482.5
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:Restatement, us-gaap:StatementEquityComponents

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment, us-gaap:NoncontrollingInterest


Profit
Period End2020-09-302020-06-302020-03-31
Value-5.298-0.106-0.223
Percentage of ProfitLoss-21.3-0.3-1.1
Percentage of InterestAndDividendIncomeOperating-219.1-1.6-5.4
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment us-gaap:NoncontrollingInterest0.00.00.0

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment, us-gaap:RetainedEarnings


Profit
Period End2020-09-302020-06-302020-03-31
Value-9.728-0.18-0.64
Percentage of ProfitLoss-39.0-0.5-3.0
Percentage of InterestAndDividendIncomeOperating-402.3-2.8-15.4
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment us-gaap:RetainedEarnings0.00.00.0

srt:ScenarioPreviouslyReported, us-gaap:NoncontrollingInterest


Profit
Period End2020-09-302020-06-302020-03-31
Value5.549116.718
Percentage of ProfitLoss22.329.031.9
Percentage of InterestAndDividendIncomeOperating229.5175.3161.5
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported us-gaap:NoncontrollingInterest0.00.00.0

srt:ScenarioPreviouslyReported, us-gaap:RetainedEarnings


Profit
Period End2020-09-302020-06-302020-03-31
Value192814
Percentage of ProfitLoss77.771.068.1
Percentage of InterestAndDividendIncomeOperating801.5429.9344.0
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported us-gaap:RetainedEarnings0.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value4.67216-16.0335.549116.718-10.3136.0898.15425-13.116421438-37.867577.1853.8774.677134.8382.632107165.6712-18.13.9183.7142.494-2.5096.662953.6044.2661.442.4223.5213.077-1.111
Percentage of ProfitLoss20.527.1125.822.329.031.930.8237.937.529.043.925.929.639.724.051.624.817.527.718.023.516.262.329.737.846.449.235.232.823.7-154.420.873.434.023.1145.655.330.144.535.3
Percentage of InterestAndDividendIncomeOperating40.8527.82047.6229.5175.3161.5-360.0153.1104.4690.557.9263.5119.6441.9-371.5486.6119.7117.4140.9479.4128.1110.42448.21169.0179.4713.7-1081.9238.6192.9120.4-121.1426.25758.6232.8311.2103.1157.0160.4227.8-64.2
Percentage of InterestAndDividendIncomeOperating us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1843-12.886192814-16.243-3.5291361-16.7431203558-119.79913121181260151365389.34714-18.6857.2117.6018.0084.13425346.99814-0.4511.9588.1893.84-2.033
Percentage of ProfitLoss79.572.9101.177.771.068.148.5-137.962.571.056.174.170.460.376.0118.875.282.572.382.076.583.837.770.362.253.650.864.867.276.3254.479.226.666.076.9-45.644.769.955.564.7
Percentage of InterestAndDividendIncomeOperating158.61418.41645.7801.5429.9344.0-566.9-88.8174.21688.173.9754.3284.7671.9-1175.21119.7362.7551.5367.92180.6416.3573.21481.02766.5295.7824.3-1116.9439.2394.9386.5199.61620.32087.6452.11033.4-32.3126.9373.1284.2-117.5
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value418464479386412484487439449456-771.4757967879568948277377076786436516396736856695474894364174404264331193444482440449394355379364365321326335
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating3655.915302.5-61229.415981.86314.711649.417003.711048.65750.012442.03405.24997.36364.910935.68772.27052.912293.921417.820431.523048.217261.326816.415340.449408.421168.332115.429245.826566.121692.521249.620599.027725.272269.428744.835169.731518.829134.017993.726289.321961.638213.625961.849048.027231.242983.9

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

bgcp:Commissions


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
Value389435377352382455386409420429-487.851671658407
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.193.678.791.192.794.079.393.193.794.263.284.283.642.6
Percentage of InterestAndDividendIncomeOperating3402.614325.9-48166.814558.65854.310955.413481.610288.85388.111719.52153.34209.95323.64662.3
Percentage of InterestAndDividendIncomeOperating bgcp:Commissions0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:DataSoftwareAndPostTrade


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value21212021201918181817181615151313
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.24.74.45.64.94.03.74.24.23.9-2.42.12.01.61.71.8
Percentage of InterestAndDividendIncomeOperating188.6723.7-2664.1890.1308.1466.2633.5461.9239.9488.7-80.2103.8124.3172.6117.5222.0
Percentage of InterestAndDividendIncomeOperating bgcp:DataSoftwareAndPostTrade0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:FeesFromRelatedParties


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value4.2453.7854.8578.8146.5625.5218.2188.2087.2215.7954.0877.1286.2716.2997.1736.018
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.81.02.31.61.11.71.91.61.3-0.50.90.80.70.90.8
Percentage of InterestAndDividendIncomeOperating37.1124.6-620.3364.5100.4132.7286.8206.492.4158.1-18.044.750.772.061.2100.3
Percentage of InterestAndDividendIncomeOperating bgcp:FeesFromRelatedParties0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProductAndServiceOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.1723.8983.5214.0773.3913.9574.0783.6372.3162.7753.8070.03
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.80.71.10.80.80.80.80.50.6-0.50.0
Percentage of InterestAndDividendIncomeOperating27.7128.3-449.7168.651.995.1142.391.529.675.7-16.80.2
Percentage of InterestAndDividendIncomeOperating us-gaap:ProductAndServiceOther0.00.00.00.00.00.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value512567479455519603487521551544-956.1669779609568948277377076786436516396736856695474894364174404264331193444482440449394355379364365321326335
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating4473.618682.6-61229.418818.87942.014495.717003.713107.17054.714863.64220.46128.57763.810935.68772.27052.912293.921417.820431.523048.217261.326816.415340.449408.421168.332115.429245.826566.121692.521249.620599.027725.272269.428744.835169.731518.829134.017993.726289.321961.638213.625961.849048.027231.242983.9

us-gaap:Revenues us-gaap:ProductOrService

bgcp:Brokerage


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value471533450417482569457484511513434425463499
Percentage of Revenues92.194.194.091.792.994.494.093.092.894.3-45.543.548.352.2
Percentage of InterestAndDividendIncomeOperating4118.417576.8-57577.717254.37376.013678.615985.112188.66545.514017.7-1919.42667.33748.05713.0
Percentage of InterestAndDividendIncomeOperating bgcp:Brokerage0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:BrokerageCredit


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7290686895977072788567677582
Percentage of Revenues14.215.914.415.018.516.114.513.914.215.7-7.16.97.98.6
Percentage of InterestAndDividendIncomeOperating633.92964.0-8797.22814.41465.42335.72458.61820.51000.52339.1-297.9420.9610.8937.9
Percentage of InterestAndDividendIncomeOperating bgcp:BrokerageCredit0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:BrokerageEnergyAndCommodities


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7475716571827072736953575660
Percentage of Revenues14.613.415.014.513.713.714.613.913.312.8-5.65.95.96.3
Percentage of InterestAndDividendIncomeOperating652.42497.3-9157.92724.21091.31984.72476.61819.3939.81906.3-237.5363.6455.1687.6
Percentage of InterestAndDividendIncomeOperating bgcp:BrokerageEnergyAndCommodities0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:BrokerageEquitiesDerivativesAndCashEquities


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value6070634761815956
Percentage of Revenues11.912.413.310.411.913.612.210.9
Percentage of InterestAndDividendIncomeOperating531.02319.4-8137.71960.7945.21965.82077.91432.5
Percentage of InterestAndDividendIncomeOperating bgcp:BrokerageEquitiesDerivativesAndCashEquities0.00.00.00.00.00.00.00.0

bgcp:BrokerageForeignExchange


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value728373737494808610193749610299
Percentage of Revenues14.214.715.316.114.315.616.516.618.517.1-7.89.910.710.4
Percentage of InterestAndDividendIncomeOperating635.62746.3-9350.33030.61138.22267.92805.22175.41304.22547.9-328.2608.2827.31132.3
Percentage of InterestAndDividendIncomeOperating bgcp:BrokerageForeignExchange0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:BrokerageInsurance


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value54524843454443394131
Percentage of Revenues10.69.210.29.58.87.48.97.67.55.8
Percentage of InterestAndDividendIncomeOperating474.21724.2-6234.91789.5700.51077.51510.5998.3530.1856.9
Percentage of InterestAndDividendIncomeOperating bgcp:BrokerageInsurance0.00.00.00.00.00.00.00.00.00.0

bgcp:BrokerageRates


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value136161124119133167129156152163149121141160
Percentage of Revenues26.628.526.026.225.627.726.630.127.830.1-15.612.514.716.8
Percentage of InterestAndDividendIncomeOperating1191.45325.6-15899.74934.92035.44019.24521.83942.81957.74469.0-658.7765.01143.51837.8
Percentage of InterestAndDividendIncomeOperating bgcp:BrokerageRates0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProductAndServiceOther


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4033283736342936393131302724
Percentage of Revenues7.95.96.08.37.15.66.07.07.25.7-3.33.12.92.6
Percentage of InterestAndDividendIncomeOperating355.21105.8-3651.71564.5566.0817.11018.6918.5509.2845.9-139.0190.1222.9285.8
Percentage of InterestAndDividendIncomeOperating us-gaap:ProductAndServiceOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:StatementGeographical

bgcp:OtherAmericas


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value151515131316141415138.0315151513151514121214141314141213108.4516.6917.7568.03410107.7339.684
Percentage of Revenues3.12.73.32.92.62.82.92.92.82.5-0.81.61.61.61.51.92.12.01.91.92.32.32.02.12.12.32.82.52.01.51.81.90.92.41.62.2
Percentage of InterestAndDividendIncomeOperating138.9512.9-2013.4543.8204.7405.5493.1376.2196.7372.5-35.498.8127.6172.8132.3131.2257.8433.6384.6438.9390.7613.0302.31039.7452.2729.3812.4661.1439.0322.9374.5514.0631.7681.5564.0693.2
Percentage of InterestAndDividendIncomeOperating bgcp:OtherAmericas0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:OtherEuropeMiddleEastAndAfrica


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5057433646664453544923434953372937342825232321192317109.8171110109.9711312
Percentage of Revenues9.910.29.18.09.011.09.210.29.99.1-2.54.55.25.64.23.65.14.84.13.93.73.63.32.93.53.12.22.32.72.42.42.31.12.9
Percentage of InterestAndDividendIncomeOperating443.61907.5-5546.91500.2711.61601.51556.01342.4695.61360.0-104.0273.8401.6613.5366.8251.4628.81029.4846.2900.9634.1974.0499.01433.7735.1999.6646.4597.9576.8514.4502.8637.9810.7825.1
Percentage of InterestAndDividendIncomeOperating bgcp:OtherEuropeMiddleEastAndAfrica0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:FR


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value243023232534192121211517222318182325211925251922222016172324201921272122
Percentage of Revenues4.75.54.95.35.05.74.04.23.83.9-1.61.82.42.42.12.23.23.63.23.13.94.02.93.33.43.83.43.95.75.54.74.51.86.24.45.1
Percentage of InterestAndDividendIncomeOperating212.41018.9-3008.0988.6397.3823.2674.4546.4270.4586.3-66.7107.5183.7263.1184.1153.9394.2764.9646.6711.2669.11072.9451.01628.2718.01221.5993.41045.31233.61164.7966.41255.71331.81782.51536.81600.6
Percentage of InterestAndDividendIncomeOperating country:FR0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:GB


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value21623620919222224219821222223119019120522317618217718615613816116315316617214189971001048814011111561131
Percentage of Revenues42.241.743.742.342.940.240.840.740.442.5-19.919.621.423.419.722.124.126.423.121.524.825.622.824.325.725.918.322.424.223.820.832.49.426.012.729.9
Percentage of InterestAndDividendIncomeOperating1887.67786.8-26781.57951.73407.75824.86931.35335.02847.56324.1-840.81202.11664.22555.51731.41559.02962.85655.84722.54945.94274.46874.83493.212027.25443.58311.15355.15942.75242.35066.94284.78975.36783.57463.24469.99438.9
Percentage of InterestAndDividendIncomeOperating country:GB0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:US


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value129143115113135153137134145146-1261.292637595572585518424385405396373355412403378306322263236249263212987230348218
Percentage of Revenues25.325.324.225.026.225.428.325.826.426.9131.965.362.159.865.562.657.554.659.861.757.355.661.358.956.556.166.060.356.656.761.849.082.751.972.249.5
Percentage of InterestAndDividendIncomeOperating1133.84721.5-14797.84695.92079.43687.74810.33376.01863.23995.15567.14000.64819.66541.55743.54418.47073.111684.012223.114214.29897.714900.39402.329081.111962.818002.319297.016026.212279.612056.212728.513574.259800.814912.825389.615610.2
Percentage of InterestAndDividendIncomeOperating country:US0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Asia


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7583717574897284928167717068616358
Percentage of Revenues14.714.614.816.714.414.914.916.316.715.0-7.17.37.37.26.97.67.9
Percentage of InterestAndDividendIncomeOperating657.22734.8-9081.73138.61141.32153.12538.72131.01181.32225.6-299.7445.7567.1784.3607.1539.0977.3
Percentage of InterestAndDividendIncomeOperating srt:Asia0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value513355703949459445025728391665485391504434328732684867775457725351804907350848115112454939914117397152902751268324523072207929483448250016382022187518521405190218291470
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:BalanceSheetLocation, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

bgcp:FixedAssetsNet, us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Assetsus-gaap:
Period End2020-12-312019-12-31
Value2.8063.12
Percentage of Assets0.10.1
Percentage of Assets0.10.1
Percentage of Assets bgcp:FixedAssetsNet us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees100.0100.0

us-gaap:OtherAssets, us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Assetsus-gaap:
Period End2020-12-312019-12-31
Value2922
Percentage of Assets0.70.6
Percentage of Assets0.70.6
Percentage of Assets us-gaap:OtherAssets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value209618311551965
Percentage of Assets53.146.845.217.7
Percentage of Assets53.146.845.217.7
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8.27.67.26.96.76.67.44.9
Percentage of Assets0.20.10.20.20.10.10.20.1
Percentage of Assets0.20.10.20.20.10.10.20.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Assetsus-gaap:
Period End2020-12-312019-12-31
Value12190
Percentage of Assets3.12.3
Percentage of Assets3.12.3
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees100.0100.0

us-gaap:Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:InvestmentType

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees, us-gaap:CashAndCashEquivalents


Assetsus-gaap:
Period End2020-12-312019-12-31
Value8964
Percentage of Assets2.31.6
Percentage of Assets2.31.6
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees us-gaap:CashAndCashEquivalents100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value43244680312037683716498831485723451541412544679151345290427063204009371523023568390433242691308128414306210919811750232513092139261020091132155013821347904143613771045
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets84.284.079.082.082.587.180.487.483.782.174.177.875.078.178.387.177.475.765.674.276.473.167.474.871.581.476.773.871.475.763.072.675.780.469.176.673.772.764.375.575.371.1

us-gaap:Liabilities us-gaap:BalanceSheetLocation, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:OtherLiabilities, us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value7046
Percentage of Liabilities2.21.5
Percentage of Assets1.81.2
Percentage of Assets us-gaap:OtherLiabilities us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.0

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value13471145783331
Percentage of Liabilities43.236.430.87.8
Percentage of Assets34.129.322.86.1
Percentage of Assets srt:ParentCompany64.362.650.534.4

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.81.41.01.72.62.52.10.6
Percentage of Liabilities0.00.00.00.00.10.10.10.0
Percentage of Assets0.00.00.00.00.10.00.10.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary22.018.413.924.638.837.928.412.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value513355703949459445025728391665485391504434328732684867775457725351804907350848115112454939914117397152902751268324523072207929483448250016382022187518521405190218291470
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value209618311551965
Percentage of LiabilitiesAndStockholdersEquity53.146.845.217.7
Percentage of Assets53.146.845.217.7
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Liabilities
Period End2020-12-312019-12-31
Value12190
Percentage of LiabilitiesAndStockholdersEquity3.12.3
Percentage of Assets3.12.3
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7227927487296976596857227667847681022952877633684836844841889846854651527546394401430415448464481471329334305320327316305278236
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.114.219.015.915.511.517.511.014.215.622.411.713.913.011.69.416.217.224.018.516.618.816.312.813.87.514.616.017.014.622.316.313.713.220.415.117.117.722.516.115.216.1

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value748685768633
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets19.017.522.411.6
Percentage of Assets srt:ParentCompany35.737.449.565.6

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value4205745934924634554154133993313363643983626345454624285024484274564614243644256484115586397167571070338388313367310369432286400364314341469204
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.210.315.010.710.37.910.66.37.46.69.84.25.85.411.67.58.98.714.39.38.410.011.610.39.28.023.615.322.820.834.525.731.013.523.715.519.616.826.322.715.60.024.80.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.0240.0440.1550.199
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, bgcp:BrokerageInsurance


Cash
Period End2021-06-30
Value28
Percentage of CashAndCashEquivalentsAtCarryingValue6.8
Percentage of Assets0.6
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations bgcp:BrokerageInsurance0.0

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value14641657165516501616158215641518151513131200199318891836180217641704167815601476145914391368162616171528676542497464468459549549559531545520
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.529.841.935.935.927.640.023.228.126.035.022.827.627.133.024.332.934.244.530.728.531.634.339.540.728.924.620.220.315.122.515.615.922.034.126.329.137.1

us-gaap:NoncurrentAssets us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Noncurrent
Period End2021-06-30
Value149
Percentage of NoncurrentAssets10.2
Percentage of Assets2.9
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations0.0

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

bgcp:OtherAmericas


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value161818161717191920181828242727262524221817171616181819222713131416
Percentage of NoncurrentAssets1.11.11.11.01.11.11.31.31.31.41.61.41.31.51.51.51.51.51.41.31.21.21.21.01.11.22.84.15.52.92.93.22.9
Percentage of Assets0.30.30.50.40.40.30.50.30.40.40.50.30.40.40.50.40.50.50.60.40.30.40.40.40.50.30.70.81.10.40.60.51.0
Percentage of Assets bgcp:OtherAmericas0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:OtherEuropeMiddleEastAndAfrica


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value7272665952473832262623191812108.36.5775.714.9525.5856.1636.7786.2775.9466.2538.7382.5494.2244.2233.9194.208
Percentage of NoncurrentAssets5.04.44.03.63.33.02.52.21.82.02.01.01.00.70.60.50.40.30.30.40.40.50.50.40.40.60.40.80.80.80.9
Percentage of Assets1.41.31.71.31.20.81.00.50.50.50.70.20.30.20.20.10.10.10.10.10.10.10.20.10.20.20.10.20.20.10.2
Percentage of Assets bgcp:OtherEuropeMiddleEastAndAfrica0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:FR


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value192628272122212216151210119.1637.3737.656.2845.8445.546.1886.4666.8776.9647.7636.5577.1375.9796.8057.8318.759.2959.27511129.1279.93510
Percentage of NoncurrentAssets1.31.61.71.71.31.41.41.51.11.21.00.50.60.50.40.40.40.30.40.40.40.50.50.50.40.50.91.31.61.92.02.02.02.21.71.81.9
Percentage of Assets0.40.50.70.60.50.40.60.30.30.30.40.10.20.10.10.10.10.10.20.10.10.20.20.20.20.10.20.30.30.30.40.30.50.80.50.50.7
Percentage of Assets country:FR0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:GB


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value479656655645637623595567554444367347329330352355340337229174168164164253274259121120134122125111138148141146139
Percentage of NoncurrentAssets32.839.639.639.139.539.438.137.436.633.930.617.417.518.019.520.120.020.114.711.811.511.512.115.617.016.918.022.227.126.426.724.325.226.626.726.826.8
Percentage of Assets9.311.816.614.014.210.915.28.710.38.810.74.04.84.96.54.96.66.96.53.63.33.64.16.26.94.94.44.55.54.06.03.85.59.17.07.89.9
Percentage of Assets country:GB0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:US


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value774770767773763756766770797723719154014601419137313411299127912751243123112131145131512811208497356290279278281323319303312293
Percentage of NoncurrentAssets52.946.546.346.947.247.849.050.752.655.160.077.377.377.376.276.076.276.281.784.284.484.383.780.979.279.073.665.858.460.259.461.258.957.157.157.356.4
Percentage of Assets15.113.819.416.817.013.219.611.814.814.321.017.621.320.925.218.525.126.136.425.824.126.728.731.932.322.818.113.311.89.113.49.512.919.515.016.720.9
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Asia


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value102113119128124114122106998357464432
Percentage of NoncurrentAssets7.06.97.27.87.77.37.87.06.66.44.82.32.31.8
Percentage of Assets2.02.03.02.82.82.03.11.61.81.71.70.50.60.6
Percentage of Assets srt:Asia0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value482472474479457446543520501462557539516494480456435415461444427420658643657361349337348379378368389435490489448
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.712.010.310.68.011.48.39.79.913.56.47.97.69.16.68.88.911.89.68.79.410.516.016.212.413.113.013.811.318.212.810.715.626.524.326.131.9

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

bgcp:LeaseHoldImprovementsAndOtherFixedAssets


Property
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value118120126125117116154146141127200197186179174169162154162154145137159153152105103101101113111107110111123130111
Percentage of PropertyPlantAndEquipmentGross24.625.626.726.125.726.028.428.228.227.536.036.636.236.236.437.137.337.235.134.934.032.724.223.923.229.229.630.029.229.829.429.128.325.625.126.824.9
Percentage of Assets2.13.12.82.82.13.02.42.72.83.72.32.92.83.32.43.33.34.43.43.03.23.53.93.92.93.83.94.13.35.43.83.14.46.86.17.07.9
Percentage of Assets bgcp:LeaseHoldImprovementsAndOtherFixedAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerEquipment


Property
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value9392971019695154150147140155155154151149144138130148145143142276275292151146142136156158156159176218215198
Percentage of PropertyPlantAndEquipmentGross19.519.620.721.221.021.328.429.029.430.428.028.829.930.631.231.631.831.432.132.733.533.942.142.744.442.042.042.139.341.341.942.640.940.644.644.144.2
Percentage of Assets1.72.32.12.31.72.42.42.82.94.11.82.32.32.82.12.82.83.73.12.83.13.66.76.95.55.55.55.84.57.55.44.56.410.810.811.514.1
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value2692592492522432352342232121942011871751641551431341301511431391402212142131039994109109108104120146148142138
Percentage of PropertyPlantAndEquipmentGross55.954.952.652.653.252.743.142.942.442.136.134.733.933.232.431.330.931.432.832.432.533.433.733.432.428.828.427.931.528.928.728.430.833.730.329.130.9
Percentage of Assets4.86.65.45.64.26.03.64.14.25.72.32.72.63.02.12.82.73.73.12.83.13.55.45.44.03.83.73.83.65.33.73.04.88.97.37.69.9
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value270258255265254241348341332305341329319305294280267249305296282274507496495249235221228251247236250293350347312
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.96.55.65.94.46.25.36.36.68.93.94.84.75.64.15.45.57.16.45.86.26.912.312.59.49.18.89.07.412.18.46.810.017.917.318.522.3

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value6.77.06.67.26.38.26.38.17.87.23.77.37.68.78.08.08.86.25.14.84.95.46.07.68.74.82.01.00.60.61.41.22.00.90.90.90.90.90.90.80.9
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value211214218214203204195179169157216210196189185175167165155148145145150147162112114116119127131132139141140141136
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.85.44.84.83.55.23.03.33.44.62.53.12.93.52.63.43.44.73.22.93.23.73.73.73.14.14.34.83.96.14.53.85.68.67.07.69.7

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

srt:ParentCompany


Investments
Period End2020-12-312019-12-312018-12-312017-12-31
Value732669757656
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0
Percentage of Assets18.617.122.112.0
Percentage of Assets srt:ParentCompany35.036.548.868.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value487556556553552552553552560560504979946944945926884882863830816814811953933888392244184171163163163163164142142142141818382
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.510.014.112.112.39.614.18.410.411.114.711.213.813.917.312.817.118.024.617.316.017.920.323.223.516.814.39.17.55.67.95.64.76.510.17.07.67.710.04.34.65.6

us-gaap:Goodwill us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, bgcp:BrokerageInsurance


Goodwillus-gaap:
Period End2021-06-30
Value69
Percentage of Goodwill14.3
Percentage of Assets1.4
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations bgcp:BrokerageInsurance0.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value8281818181819595959588919192919192919791919191104104128121212121212121212212116
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.52.11.81.81.42.41.51.81.92.61.11.31.41.71.31.81.92.81.91.82.02.32.52.62.40.40.50.50.40.60.40.40.50.71.01.11.2

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:LicensingAgreements


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value2.4342.4032.4082.2992.2672.2472.4547.9297.9297.9297.9297.9297.9297.9297.9297.9292.4891.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.5
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill3.02.92.92.82.82.72.68.38.38.38.98.68.68.68.68.62.71.61.51.61.61.61.61.41.41.212.312.312.312.312.312.312.312.312.37.17.18.8
Percentage of Assets0.00.00.10.10.10.00.10.10.10.20.20.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.10.10.10.00.10.10.00.10.10.10.10.1
Percentage of Assets us-gaap:LicensingAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TradeNames


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value797979797979938787878183838484839090969090909010210212610101010101010101010104.348
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill97.097.197.197.297.297.397.491.791.791.791.191.491.491.491.491.497.398.498.598.498.498.498.498.698.698.887.787.787.787.787.787.787.787.787.750.650.325.6
Percentage of Assets1.61.42.01.71.81.42.41.31.61.72.41.01.21.21.51.21.71.82.71.91.82.02.32.52.62.40.40.40.40.30.50.40.30.40.70.50.60.3
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value21928128729129630230330831031929829329830731131231632924721922322823332033730727241717181920192021211616111213
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.35.17.36.36.65.37.74.75.86.38.73.44.44.55.74.36.16.77.14.64.45.05.97.88.55.81.00.90.70.60.90.70.60.81.21.01.10.91.20.60.70.9

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Intangible
Period End2021-06-30
Value56
Percentage of IntangibleAssetsNetExcludingGoodwill25.6
Percentage of Assets1.1
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations0.0

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, bgcp:BrokerageInsurance


Intangible
Period End2021-06-30
Value56
Percentage of IntangibleAssetsNetExcludingGoodwill25.6
Percentage of Assets1.1
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations bgcp:BrokerageInsurance0.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value13719920520921422020721221522320920220621521922022323714912713213614221623217815125.0345.5565.9957.1948.4597.6698.1358.949.06411
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.73.65.24.64.83.95.33.34.04.46.12.33.03.24.03.04.34.84.32.62.63.03.65.25.93.40.60.50.20.20.30.20.20.30.50.40.50.8

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelatedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value11817017517818118619318919420118516516817517517517519211394100
Percentage of FiniteLivedIntangibleAssetsNet86.585.585.485.084.684.593.188.890.690.388.282.081.981.780.379.678.681.075.773.970.8
Percentage of Assets2.33.14.43.94.03.34.92.93.64.05.41.92.52.63.22.43.43.93.22.02.5
Percentage of Assets us-gaap:CustomerRelatedIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncompeteAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1.0241.0711.1191.1661.2151.2642.183.5615.1246.7168.0151516181719148.8819.616120.0190.1310.2420.3540.4660.5780.690.8020.9141.249
Percentage of FiniteLivedIntangibleAssetsNet0.70.50.50.60.60.61.01.72.43.03.87.77.77.58.38.08.76.25.97.69.00.00.10.12.23.711.512.413.412.715.4
Percentage of Assets0.00.00.00.00.00.00.10.10.10.10.20.20.20.20.30.20.40.30.30.20.30.00.00.00.00.00.00.00.00.00.1
Percentage of Assets us-gaap:NoncompeteAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1424242525264.357115.5944.7076.1588.9648.8139.468101111127.432.8980.6131.9821.151.212.0161.7631.0341.1191.2961.3411.3881.4171.594
Percentage of FiniteLivedIntangibleAssetsNet10.812.212.012.012.111.82.15.52.62.12.94.44.34.44.65.15.05.15.02.30.51.40.80.60.91.06.58.925.724.123.219.719.6
Percentage of Assets0.30.40.60.50.60.50.10.20.10.10.20.10.10.10.20.20.20.20.20.10.00.00.00.00.10.00.00.00.10.00.10.00.1
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Patents


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.3830.3880.3930.2940.2510.260.2780.2150.2780.3420.4130.140.2330.3340.580.8111.1141.351.8682.121.7682.0151.21.1961.3591.4181.2180.9811.091.2881.4121.5631.3
Percentage of FiniteLivedIntangibleAssetsNet0.30.20.20.10.10.10.10.10.10.20.20.10.10.20.30.40.50.61.21.71.31.50.80.60.60.87.77.821.723.223.621.716.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.10.10.1
Percentage of Assets us-gaap:Patents0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2.2813.1383.9944.8495.7056.567.4168.2729.1289.9831011121314151616181821
Percentage of FiniteLivedIntangibleAssetsNet1.71.61.92.32.73.03.63.94.24.54.95.86.16.26.56.97.27.112.214.614.8
Percentage of Assets0.00.10.10.10.10.10.20.10.20.20.30.10.20.20.30.20.30.30.50.40.5
Percentage of Assets us-gaap:TechnologyBasedIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value10078772131841531381123018
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.02.33.95.33.85.05.41.81.3

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value140156165157160161169168176190
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.84.23.43.62.84.32.63.33.8

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Operating
Period End2021-06-30
Value7.3
Percentage of OperatingLeaseRightOfUseAsset5.2
Percentage of Assets0.1
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations0.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.360.3380.3490.3030.2780.245141312293215278208
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.40.20.20.60.91.71.13.8

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4614854804504364474464644724852464063813823434153012942873183193112903473763802281871982061741181181091011071059287856968
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.08.712.29.89.77.811.47.18.89.67.24.75.65.66.35.75.86.08.26.66.26.87.38.49.57.28.37.08.16.78.44.03.44.46.25.35.65.06.24.53.84.7

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value64493119
Percentage of OtherAssets13.411.012.85.6
Percentage of Assets1.61.30.90.4
Percentage of Assets srt:ParentCompany3.12.72.02.0

us-gaap:OtherAssets us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, bgcp:BrokerageInsurance


Other
Period End2021-06-30
Value33
Percentage of OtherAssets7.2
Percentage of Assets0.6
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations bgcp:BrokerageInsurance0.0

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2552172312492021851501748294
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.55.66.74.65.84.65.58.45.06.7

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value1041129612961295104110401040103974374274210409459469469479489489499511112817817816814963706410409407406405404403402401288
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.323.332.828.223.118.226.615.913.814.721.611.913.814.017.413.118.319.327.119.821.818.020.519.820.518.225.715.316.713.319.613.811.716.124.519.820.6

us-gaap:LongTermDebt us-gaap:CreditFacility, us-gaap:DebtInstrument

bgcp:SeniorRevolvingCreditFacility, bgcp:FourPointThreeSevenFivePercentageSeniorNote


Long
Period End2020-12-31
Value300
Percentage of LongTermDebt23.1
Percentage of Assets7.6
Percentage of Assets bgcp:SeniorRevolvingCreditFacility bgcp:FourPointThreeSevenFivePercentageSeniorNote0.0

us-gaap:LongTermDebt us-gaap:DebtInstrument

bgcp:FivePointOneTwoFivePercentageSeniorNotes


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value255255255299298298297297297296296296296296296295
Percentage of LongTermDebt19.719.719.728.728.728.740.131.431.431.431.331.331.231.231.126.6
Percentage of Assets4.66.55.66.65.27.68.74.34.45.44.15.76.08.46.25.8
Percentage of Assets bgcp:FivePointOneTwoFivePercentageSeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:FivePointThreeSevenFivePercentSeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value447446446446445445298298298297297297297296296296296295295295295
Percentage of LongTermDebt42.934.534.534.542.842.831.631.531.531.431.431.331.331.226.736.336.236.236.330.741.8
Percentage of Assets8.78.011.39.79.911.44.44.45.54.15.76.18.56.25.86.57.47.27.45.610.7
Percentage of Assets bgcp:FivePointThreeSevenFivePercentSeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bgcp:FourPointThreeSevenFivePercentageSeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value297297297296
Percentage of LongTermDebt28.522.922.922.9
Percentage of Assets5.85.37.56.5
Percentage of Assets bgcp:FourPointThreeSevenFivePercentageSeniorNotes0.00.00.00.0

bgcp:ThreePointSevenFiveZeroPercentSeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value297297296296296296296
Percentage of LongTermDebt28.522.922.922.928.528.528.5
Percentage of Assets5.85.37.56.56.65.27.6
Percentage of Assets bgcp:ThreePointSevenFiveZeroPercentSeniorNotes0.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:ShortTermDebtType

bgcp:FivePointThreeSevenFivePercentSeniorNotes, bgcp:LongTermDebtAndCollateralizedBorrowings


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value450450450300
Percentage of LongTermDebt34.743.360.631.7
Percentage of Assets11.411.513.15.5
Percentage of Assets bgcp:FivePointThreeSevenFivePercentSeniorNotes bgcp:LongTermDebtAndCollateralizedBorrowings0.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value124313131315131812901368114211051062100876313231289137516501955965
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.223.633.328.728.723.929.216.919.720.022.215.218.820.330.227.027.5

Secured Long Term Debt

us-gaap:SecuredLongTermDebt

us-gaap:SecuredLongTermDebt


Secured
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value16192326303337401721242831353916
Percentage of SecuredLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.50.50.60.50.90.60.80.30.60.30.40.50.70.50.5

us-gaap:SecuredLongTermDebt us-gaap:DebtInstrument

us-gaap:CollateralizedDebtObligations


Secured
Period End2021-06-302020-12-31
Value1219
Percentage of SecuredLongTermDebt0.0100.0
Percentage of Assets0.20.5
Percentage of Assets us-gaap:CollateralizedDebtObligations0.00.0

us-gaap:SecuredLongTermDebt us-gaap:DebtInstrument, us-gaap:ShortTermDebtType

bgcp:ThreePointEightNinePercentageSecuredLoanArrangement, bgcp:LongTermDebtAndCollateralizedBorrowings


Secured
Period End2020-12-312019-12-31
Value6.38.8
Percentage of SecuredLongTermDebt31.726.1
Percentage of Assets0.20.2
Percentage of Assets bgcp:ThreePointEightNinePercentageSecuredLoanArrangement bgcp:LongTermDebtAndCollateralizedBorrowings0.00.0

bgcp:ThreePointSevenSevenPercentageSecuredLoanArrangement, bgcp:LongTermDebtAndCollateralizedBorrowings


Secured
Period End2020-12-312019-12-31
Value9.613
Percentage of SecuredLongTermDebt48.439.2
Percentage of Assets0.20.3
Percentage of Assets bgcp:ThreePointSevenSevenPercentageSecuredLoanArrangement bgcp:LongTermDebtAndCollateralizedBorrowings0.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value667759736456577785949486771456150519628229531129730631459144717918418021021723123824928682938998
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.51.61.41.01.51.21.61.92.89.910.48.39.32.75.56.08.96.26.06.914.810.94.53.56.67.88.97.511.58.58.33.35.74.47.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value2526332927
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.80.60.7

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value2122262429
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.70.50.7

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1617221924
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.60.40.6

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312019-12-31
Value1719
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0
Percentage of Assets0.40.5

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-312019-12-31
Value114126
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0
Percentage of Assets2.93.2

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value170183190179180179187186193204
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.33.34.83.94.03.14.82.83.64.1

us-gaap:OperatingLeaseLiability us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Operating
Period End2021-06-30
Value7.392
Percentage of OperatingLeaseLiability4.3
Percentage of Assets0.1
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations0.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value225241250237258
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0
Percentage of Assets4.44.36.35.26.6

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value55576057
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets1.11.01.51.2

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7227927487296976596857227667847681022952877633684836844841889846854651527546394401430415448464481471329334305320327316305278236
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.114.219.015.915.511.517.511.014.215.622.411.713.913.011.69.416.217.224.018.516.618.816.312.813.87.514.616.017.014.622.316.313.713.220.415.117.117.722.516.115.216.1

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value748685768633
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets19.017.522.411.6
Percentage of Assets srt:ParentCompany35.737.449.565.6

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value78987080880276271574379985187886318901667143911398801119114011531187115211691242974725578581640633680702730758411427395413423414377357331334341
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.415.620.517.516.912.519.012.215.817.425.121.624.321.220.912.121.623.232.924.722.525.731.123.718.310.921.223.925.822.133.824.822.016.526.119.622.022.829.519.919.522.60.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Stockholders
Period End2020-12-312019-12-31
Value4942
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest6.15.7
Percentage of Assets1.31.1
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees40.746.7

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-31
Value-34.944-19.918-19.632-18.769
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-4.4-2.6-2.7-2.5
Percentage of Assets-0.8-0.4-0.3-0.5
Percentage of Assets srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.0

srt:ScenarioPreviouslyReported


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value8027627157438631139
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0
Percentage of Assets17.516.912.519.025.120.9
Percentage of Assets srt:ScenarioPreviouslyReported0.00.00.019.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:Restatement, us-gaap:StatementEquityComponents

srt:RestatementAdjustment, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value0.1560.1560.1560.156-4.7680.642
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.0-0.60.1
Percentage of Assets0.00.00.00.0-0.10.0
Percentage of Assets srt:RestatementAdjustment us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.0

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment, us-gaap:NoncontrollingInterest


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-31
Value-13.217-7.919-7.813-7.59
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-1.6-1.0-1.1-1.0
Percentage of Assets-0.3-0.2-0.1-0.2
Percentage of Assets srt:RevisionOfPriorPeriodErrorCorrectionAdjustment us-gaap:NoncontrollingInterest0.00.00.00.0

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-31
Value-21.883-12.155-11.975-11.335
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.7-1.6-1.7-1.5
Percentage of Assets-0.5-0.3-0.2-0.3
Percentage of Assets srt:RevisionOfPriorPeriodErrorCorrectionAdjustment us-gaap:RetainedEarnings0.00.00.00.0

srt:ScenarioPreviouslyReported, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value231723082293227122081763
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest288.8302.7320.3305.5255.8154.7
Percentage of Assets50.451.340.058.064.332.3
Percentage of Assets srt:ScenarioPreviouslyReported us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.0

srt:ScenarioPreviouslyReported, us-gaap:NoncontrollingInterest


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value7364565794505
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest9.18.57.87.811.044.4
Percentage of Assets1.61.41.01.52.89.3
Percentage of Assets srt:ScenarioPreviouslyReported us-gaap:NoncontrollingInterest0.00.00.00.00.00.0

srt:ScenarioPreviouslyReported, us-gaap:RetainedEarnings


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value-1237.657-1253.434-1277.956-1241.754-1105.019-859.009
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-154.2-164.3-178.5-167.0-128.0-75.4
Percentage of Assets-26.9-27.8-22.3-31.7-32.2-15.7
Percentage of Assets srt:ScenarioPreviouslyReported us-gaap:RetainedEarnings0.00.00.00.00.00.0

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

us-gaap:CommonClassA, us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value4.1693.8583.7353.6583.6383.6163.5843.5283.4843.4393.4173.4383.413.0632.925
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.50.40.50.50.50.50.50.40.40.40.40.20.20.30.3
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.00.00.10.1
Percentage of Assets us-gaap:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB, us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value0.4590.4590.4590.4590.4590.4590.4590.4590.4590.4590.4590.3480.3480.3480.348
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassB us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-30.605-32.284-28.93-39.405-46.57-44.082-33.102-33.652-26.39-23.553-24.465-21.553-19.374-8.754-10.486-8.236-13.001-17.774-23.199-19.976-20.743-19.073-25.056-25.942-16.252-17.8534.3036.196-5.981-5.809-6.06-5.462-6.845-4.917-4.182-4.809-5.333-2.322-3.752-5.1310.278-0.977-0.036-3.942
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-3.9-3.7-3.6-4.9-6.1-6.2-4.5-4.2-3.1-2.7-2.8-1.1-1.2-0.6-0.9-0.9-1.2-1.6-2.0-1.7-1.8-1.6-2.0-2.7-2.2-3.10.71.0-0.9-0.9-0.9-0.7-0.9-1.2-1.0-1.2-1.3-0.5-0.9-1.40.1-0.3-0.0-1.2
Percentage of Assets-0.6-0.6-0.7-0.9-1.0-0.8-0.8-0.5-0.5-0.5-0.7-0.2-0.3-0.1-0.2-0.1-0.3-0.4-0.7-0.4-0.4-0.4-0.6-0.6-0.4-0.30.20.2-0.2-0.2-0.3-0.2-0.2-0.2-0.3-0.2-0.3-0.1-0.3-0.30.0-0.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value2367236523542317230822932271224322282210220821162104198417631634152014951466144814131380110910061018840817801772762745729717583575546536515489478423366292271
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest299.9271.8291.3288.8302.7320.3305.5280.6261.8251.5255.8112.0126.2137.9154.7185.6135.8131.1127.1122.0122.6118.089.3103.2140.4145.2140.4125.1121.9112.2106.199.894.5141.7134.6138.1129.8121.7118.0126.5118.5110.587.779.5
Percentage of Assets46.142.559.650.451.340.058.034.341.343.864.324.230.729.332.322.529.430.541.830.127.630.327.824.425.715.929.729.931.524.835.924.720.823.335.127.028.627.834.825.123.124.90.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value6677597364565777859494867714561505196282295311297306314591447179184180210217231238249286829389929598727894132152
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest8.48.97.39.18.57.87.89.710.010.711.045.942.939.044.422.325.225.927.025.126.626.947.645.924.731.931.032.934.434.033.934.137.820.021.822.722.422.523.619.221.928.639.644.8
Percentage of Assets1.31.41.51.61.41.01.51.21.61.92.89.910.48.39.32.75.56.08.96.26.06.914.810.94.53.56.67.88.97.511.58.58.33.35.74.44.95.17.03.84.36.50.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-1211.87-1226.187-1265.504-1237.657-1253.434-1277.956-1241.754-1176.741-1124.86-1090.585-1105.019-798.717-860.107-837.753-859.009-686.13-415.053-385.435-358.526-309.544-326.018-297.816-273.492-303.234-306.513-281.374-268.92-223.901-204.812-186.291-167.923-146.218-145.835-160.066-147.452-143.314-117.963-96.122-80.726-62.518-39.422-23.616-2.1711.958
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-153.5-140.9-156.6-154.2-164.3-178.5-167.0-147.2-132.1-124.1-128.0-42.3-51.6-58.2-75.4-77.9-37.1-33.8-31.1-26.1-28.3-25.5-22.0-31.1-42.2-48.6-46.2-34.9-32.3-27.4-23.9-20.0-19.2-38.9-34.5-36.2-28.6-22.7-19.5-16.5-11.0-7.1-0.60.6
Percentage of Assets-23.6-22.0-32.0-26.9-27.8-22.3-31.7-18.0-20.9-21.6-32.2-9.1-12.6-12.4-15.7-9.5-8.0-7.9-10.2-6.4-6.4-6.5-6.9-7.4-7.7-5.3-9.8-8.3-8.4-6.1-8.1-5.0-4.2-6.4-9.0-7.1-6.3-5.2-5.7-3.3-2.2-1.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-406.701-318.864-315.313-315.313-315.308-315.308-315.308-315.308-315.21-315.21-314.24-313.427-312.909-303.873-303.873-301.236-297.378-293.555-288.743-277.443-267.703-261.832-212.331-207.796-206.767-206.514-200.958-179.506-157.821-136.238-121.753-114.397-110.219-110.09-110.09-110.09-110.09-110.09-109.87-109.753-109.753-109.627-89.756-81.845
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-51.5-36.6-39.0-39.3-41.3-44.0-42.4-39.4-37.0-35.9-36.4-16.6-18.8-21.1-26.7-34.2-26.6-25.7-25.0-23.4-23.2-22.4-17.1-21.3-28.5-35.7-34.5-28.0-24.9-20.0-17.3-15.7-14.5-26.7-25.8-27.8-26.7-26.0-26.5-29.0-30.7-33.0-26.9-24.0
Percentage of Assets-7.9-5.7-8.0-6.9-7.0-5.5-8.1-4.8-5.8-6.2-9.2-3.6-4.6-4.5-5.6-4.2-5.7-6.0-8.2-5.8-5.2-5.8-5.3-5.0-5.2-3.9-7.3-6.7-6.4-4.4-5.9-3.9-3.2-4.4-6.7-5.4-5.9-5.9-7.8-5.8-6.0-7.50.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue us-gaap:RelatedPartyTransaction, us-gaap:StatementClassOfStock

us-gaap:CommonStockValue

bgcp:NewControlledEquityOfferingsProgram, us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value210210210210210210209
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.13.85.34.64.73.75.4
Percentage of Assets bgcp:NewControlledEquityOfferingsProgram us-gaap:CommonClassA0.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4.1693.8583.7353.6583.6383.6163.5843.5283.4843.4393.4173.4383.413.2863.0633.0132.9972.9672.9252.8952.8612.8072.5592.5222.4972.2292.2022.172.122.0912.0271.981.5441.4891.4191.331.2641.2281.1521.1021.0390.881
Percentage of CommonStockValue2.01.81.81.71.71.71.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.00.00.00.10.00.10.10.10.10.10.10.10.10.10.00.10.10.10.10.10.10.00.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonClassB


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value0.4590.4590.4590.4590.4590.4590.4590.4590.4590.4590.4590.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.3480.258
Percentage of CommonStockValue0.20.20.20.20.20.20.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassB0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2367236523542317230822932271224322282210220821162104198417631634152014951466144814131380110910061018840817801772762745729717583575546536515489478423366
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.142.559.650.451.340.058.034.341.343.864.324.230.729.332.322.529.430.541.830.127.630.327.824.425.715.929.729.931.524.835.924.720.823.335.127.028.627.834.825.123.124.9

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-1211.87-1226.187-1265.504-1237.657-1253.434-1277.956-1241.754-1176.741-1124.86-1090.585-1105.019-798.717-860.107-837.753-859.009-686.13-415.053-385.435-358.526-309.544-326.018-297.816-273.492-303.234-306.513-281.374-268.92-223.901-204.812-186.291-167.923-146.218-145.835-160.066-147.452-143.314-117.963-96.122-80.726-62.518-39.422-23.616
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-23.6-22.0-32.0-26.9-27.8-22.3-31.7-18.0-20.9-21.6-32.2-9.1-12.6-12.4-15.7-9.5-8.0-7.9-10.2-6.4-6.4-6.5-6.9-7.4-7.7-5.3-9.8-8.3-8.4-6.1-8.1-5.0-4.2-6.4-9.0-7.1-6.3-5.2-5.7-3.3-2.2-1.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-30605000.0-32284000.0-28930000.0-39405000.0-46570000.0-44082000.0-33102000.0-33652000.0-26390000.0-23553000.0-24465000.0-21553000.0-19374000.0-8754000.0-10486000.0-8236000.0-13001000.0-17774000.0-23199000.0-19976000.0-20743000.0-19073000.0-25056000.0-25942000.0-16252000.0-17853000.04303000.06196000.0-5981000.0-5809000.0-6060000.0-5462000.0-6845000.0-4917000.0-4182000.0-4809000.0-5333000.0-2322000.0-3752000.0-5131000.0278000.0-977000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.6-0.6-0.7-0.9-1.0-0.8-0.8-0.5-0.5-0.5-0.7-0.2-0.3-0.1-0.2-0.1-0.3-0.4-0.7-0.4-0.4-0.4-0.6-0.6-0.4-0.30.20.2-0.2-0.2-0.3-0.2-0.2-0.2-0.3-0.2-0.3-0.1-0.3-0.30.0-0.1

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value406318315315315315315315315315314313312303303301297293288277267261212207206206200179157136121114110110110110110110109109109109
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.95.78.06.97.05.58.14.85.86.29.23.64.64.55.64.25.76.08.25.85.25.85.35.05.23.97.36.76.44.45.93.93.24.46.75.45.95.97.85.86.07.5

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value667759736456577785949486771456150519628229531129730631459144717918418021021723123824928682938998
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.51.61.41.01.51.21.61.92.89.910.48.39.32.75.56.08.96.26.06.914.810.94.53.56.67.88.97.511.58.58.33.35.74.47.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.130.5430.2690.244.7020.2930.2910.2690.2530.3030.290.29381231570.1540.2820.1120.4582.045150.1750.1640.4590.1240.3610.1010.1030.0780.079-5.4323.7214.4813.2397.754-1.0130.21419120.634
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.00.0030.00.0010.0010.0010.00.0010.00.0010.0
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.60.00.40.00.30.00.40.00.30.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.1260.5360.2260.2334.690.2320.2310.2120.1990.2370.2270.23963181440.1210.2210.0880.361.613120.1380.1290.3590.0960.2760.0770.0790.0590.06-3.932.7833.0842.1965.211-0.670.122120.5690.631
Percentage of StockIssuedDuringPeriodValueNewIssues96.998.784.097.199.779.279.478.878.778.278.381.678.378.578.178.678.478.678.678.980.278.978.778.277.476.576.276.775.675.972.374.868.867.867.266.157.065.24.599.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.0040.0040.0430.0060.0110.060.060.0560.0540.0650.0630.0541749120.0330.0610.0240.0970.432.9780.0370.0350.10.0270.0850.0240.0240.0190.019-1.4880.9321.3891.0322.524-0.3430.0926.624
Percentage of StockIssuedDuringPeriodValueNewIssues3.10.716.02.50.220.520.620.821.321.521.718.421.621.521.821.421.621.421.221.019.721.121.321.821.823.523.823.324.424.127.425.031.031.932.633.943.034.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
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

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value4.9586.4478.2843.1426.943181818252721547451183431345.6961822159.0172221171811131213451119231817291886
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value4.9586.4478.2843.1426.943181818252721547451183431345.6961822159.0172221171811131213451119231817291886
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1544468144-71.59475119-60.778-563.8983526342527.517751295-11.7894841-65.05260862.959
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating1345.51454.62833.32212.7-1720.61893.71523.9-1658.3-3536.33002.23081.02721.43180.3485.65510.2864.66180.5-537.13556.82394.5-6818.94332.913238.3246.8

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:Restatement

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-31
Value68144-71.594
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2833.32212.7-1720.6
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-11.972-13.142-21.82-24.546-18.383-21.143-4.01612-39.99-28.393-16.376-186.232740-11.55135-13.393-39.142-50.926-61.025-8.205-11.643-11.773-15.667-13.26
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-104.5-432.6-902.4-375.6-441.8-531.8-51.4329.3-250.8-242.1-790.7-11915.044876.6-746.22587.7-958.7-2536.7-2320.1-4517.0-474.3-1220.4-837.3-2388.3-1105.9

us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:Restatement

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-31
Value-21.82-24.546-18.383
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-902.4-375.6-441.8
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-216.737-48.274-5.244-89.647124-29.448-25.861158557-329.53-88.396-169.426-60.671-44.85-36.674-54.0293.6322.063-48.338114-38.424-19.174-20.468-21.402
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-1892.1-1589.0-216.9-1371.62997.4-740.6-331.04331.73493.7-2810.3-4268.3-10839.8-3674.8-2897.3-2675.0-3867.5235.494.0-3577.96621.8-4027.7-1363.7-3120.1-1785.0

us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:Restatement

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-31
Value-5.244-89.647124
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-216.9-1371.62997.4
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-72.551-18.781114492921-1.3662188111-358.64-46.607421-396.064110-9.718
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-633.4-618.2-14577.82048.5453.5510.6-47.7537.21126.43037.91583.0-292.33406.9-4527.51087.4-82.9

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect us-gaap:Restatement

srt:ScenarioPreviouslyReported


Cash
Period End2020-09-302020-06-302020-03-31
Value492921
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2048.5453.5510.6
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value-4.051-0.35-15.347-1.924-0.0640.786-1.984-0.1882.265-1.896-32.3832.6276.5420.57961-0.712-1.6124.58724-50.244-4.907-2.764525.358-3.856.0129-4.0840.5640.552-10.523-2.422-62.39-6.654-6.411-1.0242.584-2.882.452-1.863
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Deferred
Period End2020-09-302020-06-302020-03-31
Value6.10.01.9
Percentage of DeferredIncomeTaxExpenseBenefit-317.0-0.0241.7

srt:ScenarioPreviouslyReported


Deferred
Period End2020-09-302020-06-302020-03-31
Value-1.924-0.0640.786
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value212121211921202020185.812222022212021191918181919222316111110101110121212131212131211121211
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:IncomeStatementLocation

bgcp:OccupancyAndEquipment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value6.66.35.86.35.96.16.34.85.35.0-3.57.88.17.17.67.57.47.78.17.36.76.97.78.77.67.96.87.0
Percentage of DepreciationDepletionAndAmortization31.129.127.629.729.627.830.423.826.427.1-60.234.539.131.836.036.634.739.742.639.635.335.439.339.332.147.656.862.7

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1544468144-71.59475119-60.778-563.8983526342527.517751295-11.7894841-65.05260862.959
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating1345.51454.62833.32212.7-1720.61893.71523.9-1658.3-3536.33002.23081.02721.43180.3485.65510.2864.66180.5-537.13556.82394.5-6818.94332.913238.3246.8

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:Restatement

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-31
Value68144-71.594
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2833.32212.7-1720.6
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1843-2.338192814-20.561-3.5291361-16.7431203558-119.7998121181260151365389.34714-18.6857.2117.6018.0084.13425346.99814-0.4511.9588.1893.84-2.0339.6648.666116.2247.398
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating158.61418.4298.6801.5429.9344.0-717.7-88.8174.21688.173.9754.3284.7671.9-1175.2695.3362.7551.5367.92180.6416.3573.21481.02766.5295.7824.3-1116.9439.2394.9386.5199.61620.32087.6452.11033.4-32.3126.9373.1284.2-117.51013.0616.41791.3519.1947.2

us-gaap:NetIncomeLoss us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-9.728-0.18-0.64-4.318-2.7760.361-1.412
Percentage of NetIncomeLoss-50.2-0.6-4.521.078.72.7-2.3
Percentage of InterestAndDividendIncomeOperating-402.3-2.8-15.4-150.7-69.84.6-38.5
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-06-30
Value192814-16.243-3.529136121
Percentage of NetIncomeLoss100.0100.0100.079.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating801.5429.9344.0-566.9-88.8174.21688.1362.7
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2259-12.744243921-33.4752.562187-29.8591624997-157.666110282216742016172541526-36.7851111101.6253112910180.9894.38116.917-3.1441717241912
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating199.41946.21627.61031.0605.2505.5-1168.464.4278.62378.6131.81017.8404.31113.8-1546.7942.8482.5668.8508.82660.0544.4683.63929.23935.5475.11538.1-2198.7677.8587.8506.978.52046.67846.2684.91344.670.8283.9533.5512.0-181.71829.01218.93661.31626.01640.3

us-gaap:ProfitLoss us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-15.026-0.286-0.863-6.919-4.1130.542-2.2
Percentage of ProfitLoss-60.3-0.7-4.120.7-160.72.5-2.5
Percentage of InterestAndDividendIncomeOperating-621.4-4.4-20.7-241.5-103.46.9-60.0
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment0.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-06-30
Value243921-26.5562.56218728
Percentage of ProfitLoss100.0100.0100.079.3100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating1031.0605.2505.5-926.964.4278.62378.6482.5
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:Restatement, us-gaap:StatementEquityComponents

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment, us-gaap:NoncontrollingInterest


Profit
Period End2020-09-302020-06-302020-03-31
Value-5.298-0.106-0.223
Percentage of ProfitLoss-21.3-0.3-1.1
Percentage of InterestAndDividendIncomeOperating-219.1-1.6-5.4
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment us-gaap:NoncontrollingInterest0.00.00.0

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment, us-gaap:RetainedEarnings


Profit
Period End2020-09-302020-06-302020-03-31
Value-9.728-0.18-0.64
Percentage of ProfitLoss-39.0-0.5-3.0
Percentage of InterestAndDividendIncomeOperating-402.3-2.8-15.4
Percentage of InterestAndDividendIncomeOperating srt:RevisionOfPriorPeriodErrorCorrectionAdjustment us-gaap:RetainedEarnings0.00.00.0

srt:ScenarioPreviouslyReported, us-gaap:NoncontrollingInterest


Profit
Period End2020-09-302020-06-302020-03-31
Value5.549116.718
Percentage of ProfitLoss22.329.031.9
Percentage of InterestAndDividendIncomeOperating229.5175.3161.5
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported us-gaap:NoncontrollingInterest0.00.00.0

srt:ScenarioPreviouslyReported, us-gaap:RetainedEarnings


Profit
Period End2020-09-302020-06-302020-03-31
Value192814
Percentage of ProfitLoss77.771.068.1
Percentage of InterestAndDividendIncomeOperating801.5429.9344.0
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported us-gaap:RetainedEarnings0.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value4.67216-16.0335.549116.718-10.3136.0898.15425-13.116421438-37.867577.1853.8774.677134.8382.632107165.6712-18.13.9183.7142.494-2.5096.662953.6044.2661.442.4223.5213.077-1.111
Percentage of ProfitLoss20.527.1125.822.329.031.930.8237.937.529.043.925.929.639.724.051.624.817.527.718.023.516.262.329.737.846.449.235.232.823.7-154.420.873.434.023.1145.655.330.144.535.3
Percentage of InterestAndDividendIncomeOperating40.8527.82047.6229.5175.3161.5-360.0153.1104.4690.557.9263.5119.6441.9-371.5486.6119.7117.4140.9479.4128.1110.42448.21169.0179.4713.7-1081.9238.6192.9120.4-121.1426.25758.6232.8311.2103.1157.0160.4227.8-64.2
Percentage of InterestAndDividendIncomeOperating us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1843-12.886192814-16.243-3.5291361-16.7431203558-119.79913121181260151365389.34714-18.6857.2117.6018.0084.13425346.99814-0.4511.9588.1893.84-2.033
Percentage of ProfitLoss79.572.9101.177.771.068.148.5-137.962.571.056.174.170.460.376.0118.875.282.572.382.076.583.837.770.362.253.650.864.867.276.3254.479.226.666.076.9-45.644.769.955.564.7
Percentage of InterestAndDividendIncomeOperating158.61418.41645.7801.5429.9344.0-566.9-88.8174.21688.173.9754.3284.7671.9-1175.21119.7362.7551.5367.92180.6416.3573.21481.02766.5295.7824.3-1116.9439.2394.9386.5199.61620.32087.6452.11033.4-32.3126.9373.1284.2-117.5
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-11.972-13.142-21.82-24.546-18.383-21.143-4.01612-39.99-28.393-16.376-186.232740-11.55135-13.393-39.142-50.926-61.025-8.205-11.643-11.773-15.667-13.26
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-104.5-432.6-902.4-375.6-441.8-531.8-51.4329.3-250.8-242.1-790.7-11915.044876.6-746.22587.7-958.7-2536.7-2320.1-4517.0-474.3-1220.4-837.3-2388.3-1105.9

us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:Restatement

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-31
Value-21.82-24.546-18.383
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-902.4-375.6-441.8
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.2051.7072.2438.528136.63110111212-1.1284.309119.976.9537.652119.8781514101110128.7115.4993.6844.8391.8893.3159.5244.6682.1556.6417.3429.885117.658.6183.4457.497.6375.1034.393
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-216.737-48.274-5.244-89.647124-29.448-25.861158557-329.53-88.396-169.426-60.671-44.85-36.674-54.0293.6322.063-48.338114-38.424-19.174-20.468-21.402
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-1892.1-1589.0-216.9-1371.62997.4-740.6-331.04331.73493.7-2810.3-4268.3-10839.8-3674.8-2897.3-2675.0-3867.5235.494.0-3577.96621.8-4027.7-1363.7-3120.1-1785.0

us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:Restatement

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-31
Value-5.244-89.647124
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-216.9-1371.62997.4
Percentage of InterestAndDividendIncomeOperating srt:ScenarioPreviouslyReported0.00.00.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument

us-gaap:RepaymentsOfLongTermDebt

bgcp:FivePointOneTwoFivePercentageSeniorNotes


Repayments
Period End2021-05-27
Value256
Percentage of RepaymentsOfLongTermDebt100.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.8523.7743.6263.6043.577496142414755635755525151454444433735353426262626262525201918242323222120131312
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1034.3970.00.00.00.01.2360.6330.0952.2163.9674.476.12232.977.051625.3280.90.0435.843242828199.7625.5780.00.00.00.3370.2660.00.0710.0550.0242.476
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Payments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312016-02-292015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1034.40.00.0060.00.00.01.20.60.19.72.24.04.56.114117.262585.30.9009415.8242828199.75.60.20.00.037-0.0370.3370.2660.00.071
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.10.00.00.00.00.097.194.8105.30.099.3100.8100.799.761.3400.7102.1100.00.099.5100.195348.899.3100.299.9100.299.899.4100.40.00.00.00.0100.0100.00.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value272818501022059.4829.55.7385.567
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value12596882231861901421063024
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8.9121210101010121212105.57.45.57.0633.13.13.13.0781.61.61.61.5588.08.08.00.03.253.253.253.521
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value81713335384119202434
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:AggregateConsiderationOfCantorUnits dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:AggregateConsiderationOfCantorUnits

bgcp:BGCHoldings, bgcp:CantorRightsToPurchaseExchangeableUnits


Aggregate
Period End2021-03-31
Value3040
Percentage of AggregateConsiderationOfCantorUnits100.0

bgcp:AggregateConsiderationOfCantorUnitsAsResultOfRedemption dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:AggregateConsiderationOfCantorUnitsAsResultOfRedemption

bgcp:BGCHoldings, bgcp:CantorRightsToPurchaseExchangeableUnits


Aggregate
Period End2021-03-31
Value2104
Percentage of AggregateConsiderationOfCantorUnitsAsResultOfRedemption100.0

bgcp:AggregateEstimatedFairValueOfDeferredCompensationAwards

bgcp:AggregateEstimatedFairValueOfDeferredCompensationAwards


Aggregate
Period End2021-06-302021-03-31
Value-4.824
Percentage of AggregateEstimatedFairValueOfDeferredCompensationAwards100.0100.0

bgcp:AllocationOfIncomeLossToLimitedPartnershipInterestDiluted

bgcp:AllocationOfIncomeLossToLimitedPartnershipInterestDiluted


Allocation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value7.8541910125.945117.39928521529-70.94645119.3955.802307.4646.42417
Percentage of AllocationOfIncomeLossToLimitedPartnershipInterestDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:ChangeInEstimatedAcquisitionEarnoutPayables

bgcp:ChangeInEstimatedAcquisitionEarnoutPayables


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value837000.01102000.03489000.01541000.0772000.0-1141000.09993000.0-949000.0-1940000.0-1482000.04894000.0-1029000.0-474000.0-506000.01353000.09716000.0-2728000.0-1042000.02071000.0-15074000.0-751000.03000.0
Percentage of ChangeInEstimatedAcquisitionEarnoutPayables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:ClassOfCommonStockExchangedToAnotherClassOfCommonStock us-gaap:Range, us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:ClassOfCommonStockExchangedToAnotherClassOfCommonStock

srt:Maximum, bgcp:CantorRightsToPurchaseExchangeableUnits


Class
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302015-06-05
Value0.0230.00.0230.00.00.0230.034
Percentage of ClassOfCommonStockExchangedToAnotherClassOfCommonStock0.0100.00.00.0100.00.00.00.0100.00.0100.0

bgcp:ClassOfCommonStockExchangedToAnotherClassOfCommonStock us-gaap:Range, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock

srt:Maximum, bgcp:CantorRightsToPurchaseExchangeableUnits, us-gaap:CommonClassB


Class
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value230.0230.00.00.023
Percentage of ClassOfCommonStockExchangedToAnotherClassOfCommonStock100.00.0100.10.00.00.0100.1

bgcp:ClassOfCommonStockExchangedToAnotherClassOfCommonStock us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:CfManagementGroupInc


Class
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-11-232015-06-05
Value230.00.0230.00.00.0230.71290734
Percentage of ClassOfCommonStockExchangedToAnotherClassOfCommonStock100.00.00.0100.00.00.00.0100.00.0100.0

bgcp:ClassOfCommonStockExchangedToAnotherClassOfCommonStock us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock

bgcp:CantorAndCFGM, us-gaap:CommonClassB


Class
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.0230.0230.00.00.023-11.0362730.00.0340.00.00.0340.00.0
Percentage of ClassOfCommonStockExchangedToAnotherClassOfCommonStock0.0100.00.0100.10.00.00.0100.10.00.00.00.00.00.00.00.00.00.0

bgcp:CommonStockIssuedRelatedToRedemptionsAndExchangesOfLimitedPartnershipInterests us-gaap:StatementClassOfStock

bgcp:CommonStockIssuedRelatedToRedemptionsAndExchangesOfLimitedPartnershipInterests

us-gaap:CommonClassA


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value30107.3691.7471.9687882.1054015.3067574.0016183.8794681.8205888.3380422.4746584.6878312.787192.3841081.434051.9504653.4106722.4362762.9478762.4271520.8946023.089042.3938791.8044342.1583112.8306964.0053512.0370235.7244744.269952423.4982435.3394825.7269256.2922812.530983.4739085.4314280.8233371.111046
Percentage of CommonStockIssuedRelatedToRedemptionsAndExchangesOfLimitedPartnershipInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:CommonStockWeightedAveragePricePerShare us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:CommonStockWeightedAveragePricePerShare

bgcp:CantorFitzgeraldCo


Common
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.07004.040006.17-0.0811.48
Percentage of CommonStockWeightedAveragePricePerShare100.00.00.0100.00.00.00.0100.0100.0100.0

bgcp:CompensationAndEmployeeBenefitNet

bgcp:CompensationAndEmployeeBenefitNet


Compensation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value328341339277311386338318333300-609.709585630600702543504500470474459442624487458383341323286306301269811296321288309252216253227
Percentage of CompensationAndEmployeeBenefitNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:CompensationAndEmployeeBenefitNet us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Compensation
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.1790.1790.179-2.63.9631.450.2
Percentage of CompensationAndEmployeeBenefitNet0.10.10.0-0.81.20.40.1

srt:ScenarioPreviouslyReported


Compensation
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value277311386340318333300
Percentage of CompensationAndEmployeeBenefitNet100.0100.0100.0100.8100.0100.0100.0

bgcp:ContributionsOfCapitalToAndFromAffiliateForEquityBasedCompensation us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:ContributionsOfCapitalToAndFromAffiliateForEquityBasedCompensation

bgcp:Cantor


Contributions
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-27171000.0881000.04077000.0137000.087000.01218000.0-1097000.0919000.0422000.0-380000.0
Percentage of ContributionsOfCapitalToAndFromAffiliateForEquityBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:ContributionsOfCapitalToAndFromAffiliateForEquityBasedCompensation us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementEquityComponents

bgcp:Cantor, us-gaap:AdditionalPaidInCapital


Contributions
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-14746000.0603000.02764000.085000.035000.0729000.0-846000.0561000.0174000.0-271000.0
Percentage of ContributionsOfCapitalToAndFromAffiliateForEquityBasedCompensation54.368.467.862.040.259.977.161.041.271.3

bgcp:Cantor, us-gaap:NoncontrollingInterest


Contributions
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-12425000.0278000.01313000.052000.052000.0489000.0-251000.0358000.0248000.0-109000.0
Percentage of ContributionsOfCapitalToAndFromAffiliateForEquityBasedCompensation45.731.632.238.059.840.122.939.058.828.7

bgcp:CumulativeEffectOfCurrentExpectedCreditLossesStandardAdoption us-gaap:AdjustmentsForNewAccountingPronouncements

bgcp:CumulativeEffectOfCurrentExpectedCreditLossesStandardAdoption

us-gaap:AccountingStandardsUpdate201613


Cumulative
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-1300000.0
Percentage of CumulativeEffectOfCurrentExpectedCreditLossesStandardAdoption0.00.00.0100.0

bgcp:CumulativeEffectOfCurrentExpectedCreditLossesStandardAdoption us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents

us-gaap:AccountingStandardsUpdate201613, us-gaap:NoncontrollingInterest


Cumulative
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-417000.0
Percentage of CumulativeEffectOfCurrentExpectedCreditLossesStandardAdoption0.00.00.032.1

us-gaap:AccountingStandardsUpdate201613, us-gaap:RetainedEarnings


Cumulative
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-883000.0
Percentage of CumulativeEffectOfCurrentExpectedCreditLossesStandardAdoption0.00.00.067.9

bgcp:DataSoftwareAndPosttradeRevenue

bgcp:DataSoftwareAndPosttradeRevenue


Data
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value21212021201918181817181615151413131317111212292711
Percentage of DataSoftwareAndPosttradeRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:EmployeeLoanAmortizationAndReserveOnEmployeeLoans

bgcp:EmployeeLoanAmortizationAndReserveOnEmployeeLoans


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
Value191524111714129.2627.456.574-10.6996.9459.1917.57818278.7177.168112310105511118.0664.2917.1337.1947.097.069168109.45911
Percentage of EmployeeLoanAmortizationAndReserveOnEmployeeLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:EmployeeLoanExpense us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:EmployeeLoanExpense

bgcp:EmployeeLoans


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value191524111714129.37.46.6-10.76.99.27.618268.77.2112310105511118.14.37.17.27.17.17.71709.5119.07.47.07.97.7
Percentage of EmployeeLoanExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:EquityBasedCompensationAndAllocationOfNetIncomeToLimitedPartnershipUnitsAndFoundingPartnerUnits

bgcp:EquityBasedCompensationAndAllocationOfNetIncomeToLimitedPartnershipUnitsAndFoundingPartnerUnits


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5833803327426940431285344539
Percentage of EquityBasedCompensationAndAllocationOfNetIncomeToLimitedPartnershipUnitsAndFoundingPartnerUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:EquityBasedCompensationAndAllocationOfNetIncomeToLimitedPartnershipUnitsAndFoundingPartnerUnits us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock

bgcp:LimitedPartnershipUnits, us-gaap:CommonClassA


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value58338033274269404312
Percentage of EquityBasedCompensationAndAllocationOfNetIncomeToLimitedPartnershipUnitsAndFoundingPartnerUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:EquityBasedCompensationAndAllocationsOfNetIncomeToLimitedPartnershipUnitsAndFoundingOrWorkingPartnerUnits

bgcp:EquityBasedCompensationAndAllocationsOfNetIncomeToLimitedPartnershipUnitsAndFoundingOrWorkingPartnerUnits


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value58338033274269404312-33.33971109571295657706666463614955304332552534331236522
Percentage of EquityBasedCompensationAndAllocationsOfNetIncomeToLimitedPartnershipUnitsAndFoundingOrWorkingPartnerUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:EstimatedFairValueOfLimitedPartnershipUnitsAndRestrictedStockUnits

bgcp:EstimatedFairValueOfLimitedPartnershipUnitsAndRestrictedStockUnits


Estimated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-0.39.60.7-0.30.09.0
Percentage of EstimatedFairValueOfLimitedPartnershipUnitsAndRestrictedStockUnits100.0100.0100.0100.00.0100.0

bgcp:ExchangeOfFoundingWorkingPartnerInterests

bgcp:ExchangeOfFoundingWorkingPartnerInterests


Exchange
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-312013-09-30
Value253000.0256000.0885000.0327000.0289000.0181000.0247000.0390000.060000.0283000.0425000.0273000.0785000.0401000.0281000.0303000.01238000.0522000.01177000.0191000.01091000.0296000.00222000.04309000.0646000.0
Percentage of ExchangeOfFoundingWorkingPartnerInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityNetUnrealizedGainLossIncludedInNetIncomeLoss us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel

bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityNetUnrealizedGainLossIncludedInNetIncomeLoss

bgcp:AccountsPayableAccruedAndOtherLiabilities, bgcp:ContingentConsiderationLiability, us-gaap:FairValueInputsLevel3


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value838000.01102000.05822000.0-1541000.0-772000.0-1141000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityNetUnrealizedGainLossIncludedInNetIncomeLoss100.0100.0100.0100.0100.0100.0

bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityNetUnrealizedGainLossIncludedInOtherComprehensiveIncomeLoss us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel

bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityNetUnrealizedGainLossIncludedInOtherComprehensiveIncomeLoss

bgcp:AccountsPayableAccruedAndOtherLiabilities, bgcp:ContingentConsiderationLiability, us-gaap:FairValueInputsLevel3


Fair
Period End2020-09-302020-06-302020-03-31
Value0-8000.059000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityNetUnrealizedGainLossIncludedInOtherComprehensiveIncomeLoss0.0100.0100.0

bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesAndIssuances us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel

bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesAndIssuances

bgcp:AccountsPayableAccruedAndOtherLiabilities, bgcp:ContingentConsiderationLiability, us-gaap:FairValueInputsLevel3


Fair
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.00.02.9599.8047.4820.6880.022-1.2451.2622.1736.19
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesAndIssuances0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySalesAndSettlements us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel

bgcp:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySalesAndSettlements

bgcp:AccountsPayableAccruedAndOtherLiabilities, bgcp:ContingentConsiderationLiability, us-gaap:FairValueInputsLevel3


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value7.9190.8370.20.1334.3825.3270.2581.6521.6325.903-1.870.2455.6859.5221.7020.35710
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySalesAndSettlements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:FeesFromRelatedPartiesRevenue

bgcp:FeesFromRelatedPartiesRevenue


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4.2453.7854.8578.8146.5625.5218.2188.2087.2215.7954.0877.1286.2716.2996.9657.1736.018
Percentage of FeesFromRelatedPartiesRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:FoundingWorkingPartnerUnitsAverageRedemptionPrice us-gaap:PartnerTypeOfPartnersCapitalAccount

bgcp:FoundingWorkingPartnerUnitsAverageRedemptionPrice

us-gaap:OtherOwnershipInterest


Founding
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value4.064.48-0.962.743.070.295.285.796.11-0.1212.3313.0913.67-0.4911.4810.7210.730.168.818.018.232.265.367.398.607.717.166.75
Percentage of FoundingWorkingPartnerUnitsAverageRedemptionPrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

bgcp:GainLossOnDivestitureAndOrSaleOfInvestment

bgcp:GainLossOnDivestitureAndOrSaleOfInvestment


Gain
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-31
Value0.403-0.009-0.0140.0-1.619200.00.0040.00.5570.07.0443930.00.894-0.215
Percentage of GainLossOnDivestitureAndOrSaleOfInvestment100.0100.0100.00.0100.0100.00.0100.00.0100.00.0100.0100.00.0100.0100.0

bgcp:GoodwillAcquiredDuringPeriodNetOfMeasurementPeriodAdjustments

bgcp:GoodwillAcquiredDuringPeriodNetOfMeasurementPeriodAdjustments


Goodwill
Period End2020-12-312020-09-30
Value-0.20.0
Percentage of GoodwillAcquiredDuringPeriodNetOfMeasurementPeriodAdjustments100.00.0

bgcp:GoodwillPurchaseAccountingAdjustmentsIncludingPriorPeriodAdjustments

bgcp:GoodwillPurchaseAccountingAdjustmentsIncludingPriorPeriodAdjustments


Goodwill
Period End2020-12-312018-12-312018-09-30
Value-246000.02302000.01141000.0
Percentage of GoodwillPurchaseAccountingAdjustmentsIncludingPriorPeriodAdjustments100.0100.0100.0

bgcp:GuaranteeFeeExpenses us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:GuaranteeFeeExpenses

bgcp:CantorFitzgeraldCo


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value31000.031000.06000.031000.031000.031000.06000.031000.031300.031300.06200.031300.031300.031300.06200.031300.031300.031250.031200.031300.031300.031250.0
Percentage of GuaranteeFeeExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:IncrementalCommonSharesAttributableToLimitedPartnershipInterests

bgcp:IncrementalCommonSharesAttributableToLimitedPartnershipInterests


Incremental
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-06-30
Value173178184184178531801761581581691.7251671631591.309147143139-53.7521231201141.671108104100-66.817931651532.6893.088132126129
Percentage of IncrementalCommonSharesAttributableToLimitedPartnershipInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:IncrementalCommonSharesAttributableToOtherInstruments

bgcp:IncrementalCommonSharesAttributableToOtherInstruments


Incremental
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1.2741.2211.1391.2131.34-0.0261.3761.4121.31.2111.385-0.0111.2071.2811.479-0.8551.3941.3954.132-7.617170.8460.9570.0491.1031.0480.505-0.1131.2590.7970.704-0.784-0.1111.7680.830.119-0.0620.237
Percentage of IncrementalCommonSharesAttributableToOtherInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:InterestAndDividendIncomeExpenseOperating

bgcp:InterestAndDividendIncomeExpenseOperating


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-783000.02418000.06536000.04161000.02865000.03976000.07813000.03665000.0
Percentage of InterestAndDividendIncomeExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:IssuanceOfClassCommonStockAndLimitedPartnershipInterestsForAcquisitions

bgcp:IssuanceOfClassCommonStockAndLimitedPartnershipInterestsForAcquisitions


Issuance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-03-31
Value0.4880.0250.201-0.0220.01.3990.0020.9360.2281.8742.167123.1074.0270.010-0.414.635154.0111.1950.6512.79914
Percentage of IssuanceOfClassCommonStockAndLimitedPartnershipInterestsForAcquisitions100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:IssuanceOfCommonStockAndGrantsOfExchangeability us-gaap:PartnerTypeOfPartnersCapitalAccount

bgcp:IssuanceOfCommonStockAndGrantsOfExchangeability

bgcp:LimitedPartnershipUnits


Issuance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value317.854563.5542.36223472425
Percentage of IssuanceOfCommonStockAndGrantsOfExchangeability100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:IssuanceOfCommonStockAndGrantsOfExchangeability us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock

bgcp:LimitedPartnershipUnits, us-gaap:CommonClassA


Issuance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value317.854563.5542.36223472425
Percentage of IssuanceOfCommonStockAndGrantsOfExchangeability100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:IssuanceOfCommonStockUponExchangeOfLimitedPartnershipInterests

bgcp:IssuanceOfCommonStockUponExchangeOfLimitedPartnershipInterests


Issuance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value93391.3593.2793.4863.2642.7325.3278.3519.73615275940321720352125207.8522619151723291222194.30518232032142229378.8613.599
Percentage of IssuanceOfCommonStockUponExchangeOfLimitedPartnershipInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:IssuanceOfLongTermDebtAndCollateralizedBorrowingsNetOfDeferredIssuanceCosts

bgcp:IssuanceOfLongTermDebtAndCollateralizedBorrowingsNetOfDeferredIssuanceCosts


Issuance
Period End2021-06-302021-03-312020-06-302020-03-31
Value188-0.097-0.009227
Percentage of IssuanceOfLongTermDebtAndCollateralizedBorrowingsNetOfDeferredIssuanceCosts100.0100.0100.0100.0

bgcp:LimitedPartnershipInterestContributionRatio

bgcp:LimitedPartnershipInterestContributionRatio


Limited
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.45450000.454500
Percentage of LimitedPartnershipInterestContributionRatio100.00.00.00.0100.00.00.0

bgcp:LimitedPartnershipInterestDistributionRatio

bgcp:LimitedPartnershipInterestDistributionRatio


Limited
Period End2020-12-312020-09-302020-06-302020-03-312018-11-302018-09-302018-07-012018-06-302018-03-31
Value0000.46390.463900.4640.47020.4545
Percentage of LimitedPartnershipInterestDistributionRatio0.00.00.0100.0100.00.0100.0100.0100.0

bgcp:LimitedPartnershipInterestsExchangeRatio

bgcp:LimitedPartnershipInterestsExchangeRatio


Limited
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.93650.00060.0007-0.00950.9461
Percentage of LimitedPartnershipInterestsExchangeRatio100.0100.0100.0100.0100.0

bgcp:LimitedPartnershipInterestsExchangeRatio us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock

bgcp:Newmark, us-gaap:CommonClassA


Limited
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.936500.0007-0.00950.9461
Percentage of LimitedPartnershipInterestsExchangeRatio100.00.0100.0100.0100.0

bgcp:LimitedPartnershipUnitsAverageRedemptionPricePerUnit

bgcp:LimitedPartnershipUnitsAverageRedemptionPricePerUnit


Limited
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value5.844.360.012.813.054.3-0.025.195.446.0-0.2811.2613.114.341.012.9711.210.850.228.98.938.650.049.038.858.650.287.476.876.330.265.75.544.25-0.765.066.476.75-0.396.717.88
Percentage of LimitedPartnershipUnitsAverageRedemptionPricePerUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:LossesGainsOnEquityMethodInvestments

bgcp:LossesGainsOnEquityMethodInvestments


Losses
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-1323000.0-1532000.0-160000.01176000.0-1119000.0-1023000.0-1064000.0
Percentage of LossesGainsOnEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0

bgcp:MarketableSecuritiesSoldAtFairValueDuringPeriod

bgcp:MarketableSecuritiesSoldAtFairValueDuringPeriod


Marketable
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.0140.00.0204.6
Percentage of MarketableSecuritiesSoldAtFairValueDuringPeriod0.00.00.0100.00.00.0100.0100.0

bgcp:MarkupOnCost us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:MarkupOnCost

bgcp:Cantor


Markup
Period End2021-06-302021-03-312020-12-31
Value07.50
Percentage of MarkupOnCost0.0100.00.0

bgcp:NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems

bgcp:NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value-118.232-131.133-88.623-94.31-105.742-106.621-82.677-70.112-92.616-98.2-602.049435-600.159442-786.08-626.153107120563-35.692-259.46684-93.994
Percentage of NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Net
Period End2020-09-302020-06-302020-03-31
Value9.0730.139-1.037
Percentage of NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems-9.6-0.11.0

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-31
Value-94.31-105.742-106.621
Percentage of NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems100.0100.0100.0

bgcp:NetIncomeLossForFullyDilutedShares

bgcp:NetIncomeLossForFullyDilutedShares


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.338154019-20.561-6.3052188
Percentage of NetIncomeLossForFullyDilutedShares100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:NetIncomeLossForFullyDilutedShares us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-14.297-0.263-0.934-4.318-2.7760.539-2.095
Percentage of NetIncomeLossForFullyDilutedShares-93.6-0.7-4.821.044.02.5-2.4

srt:ScenarioPreviouslyReported


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value294020-16.243-3.5292190
Percentage of NetIncomeLossForFullyDilutedShares193.6100.7104.879.056.097.5102.4

bgcp:NumberOfUnitsRedeemed

bgcp:NumberOfUnitsRedeemed


Number
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-312013-09-302012-12-312012-09-30
Value4.7150.020.721.4810.1030.2350.0350.0732950.0972291.2029481.2182542.1054574.2999361.7236541.9849331.675331.9088672.9277582.5156552.4440691.8043650.7757912.7332231.562681.2426222.040193.5339280.4521154.7791454.844911
Percentage of NumberOfUnitsRedeemed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:NumberOfUnitsRedeemedAndCancelledForExchange us-gaap:PartnerTypeOfPartnersCapitalAccount

bgcp:NumberOfUnitsRedeemedAndCancelledForExchange

bgcp:LimitedPartnership


Number
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value141.76.70.40.61.45.73.22.4985230.1
Percentage of NumberOfUnitsRedeemedAndCancelledForExchange100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:OtherRevenues

bgcp:OtherRevenues


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value211000.0886000.0138000.0998000.0367000.0964000.0-4128000.02334000.03695000.0856000.0-562000.04045000.01324000.0926000.0
Percentage of OtherRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:PaymentRelatedTaxForRedeemedPLPU us-gaap:TitleOfIndividual

bgcp:PaymentRelatedTaxForRedeemedPLPU

bgcp:ExecutiveVicePresidentAndGeneralCounsel


Payment
Period End2020-07-302020-03-20
Value846180.0661300.0
Percentage of PaymentRelatedTaxForRedeemedPLPU100.0100.0

bgcp:ExecutiveVicePresidentAndGeneralCounselOne


Payment
Period End2020-07-30
Value992390.0
Percentage of PaymentRelatedTaxForRedeemedPLPU117.3

bgcp:ExecutiveVicePresidentAndGeneralCounselThree


Payment
Period End2020-08-06
Value194090.0
Percentage of PaymentRelatedTaxForRedeemedPLPU0.0

bgcp:ExecutiveVicePresidentAndGeneralCounselTwo


Payment
Period End2020-08-05
Value637870.0
Percentage of PaymentRelatedTaxForRedeemedPLPU0.0

bgcp:PaymentRelatedTaxForRedeemedPLPU us-gaap:TitleOfIndividual, us-gaap:RelatedPartyTransaction

bgcp:MrLutnick, bgcp:ExchangePLPUsForCommonStock


Payment
Period End2021-06-28
Value1525700.0
Percentage of PaymentRelatedTaxForRedeemedPLPU0.0

bgcp:PaymentRelatedTaxForRedeemedPreferredHUnits

bgcp:PaymentRelatedTaxForRedeemedPreferredHUnits


Payment
Period End2021-06-28
Value7983000.0
Percentage of PaymentRelatedTaxForRedeemedPreferredHUnits100.0

bgcp:PaymentRelatedTaxRateForCommonStock us-gaap:TitleOfIndividual

bgcp:PaymentRelatedTaxRateForCommonStock

bgcp:ExecutiveVicePresidentAndGeneralCounselTwo


Payment
Period End2021-02-222020-03-02
Value178270.0645780.0
Percentage of PaymentRelatedTaxRateForCommonStock100.0100.0

bgcp:PaymentRelatedToExchangeableLPUsAndPLPUsRedeemedUponExchangeInConnectionWithLLPStatus us-gaap:TitleOfIndividual

bgcp:PaymentRelatedToExchangeableLPUsAndPLPUsRedeemedUponExchangeInConnectionWithLLPStatus

bgcp:ExecutiveVicePresidentAndGeneralCounselOne


Payment
Period End2020-07-30
Value0
Percentage of PaymentRelatedToExchangeableLPUsAndPLPUsRedeemedUponExchangeInConnectionWithLLPStatus0.0

bgcp:ExecutiveVicePresidentAndGeneralCounselThree


Payment
Period End2020-08-062020-08-05
Value0136300.0
Percentage of PaymentRelatedToExchangeableLPUsAndPLPUsRedeemedUponExchangeInConnectionWithLLPStatus0.00.0

bgcp:ExecutiveVicePresidentAndGeneralCounselTwo


Payment
Period End2020-08-05
Value0
Percentage of PaymentRelatedToExchangeableLPUsAndPLPUsRedeemedUponExchangeInConnectionWithLLPStatus0.0

bgcp:PaymentRelatedToExchangeablePPSUsRedeemedUponExchangeInConnectionWithLLPStatus us-gaap:TitleOfIndividual

bgcp:PaymentRelatedToExchangeablePPSUsRedeemedUponExchangeInConnectionWithLLPStatus

bgcp:ExecutiveVicePresidentAndGeneralCounsel


Payment
Period End2021-04-29
Value575690.0
Percentage of PaymentRelatedToExchangeablePPSUsRedeemedUponExchangeInConnectionWithLLPStatus100.0

bgcp:PaymentRelatedToHUnitsRedeemed

bgcp:PaymentRelatedToHUnitsRedeemed


Payment
Period End2021-06-28
Value7017000.0
Percentage of PaymentRelatedToHUnitsRedeemed100.0

bgcp:PaymentsForAcquisitionsNetOfCashAndRestrictedCashAcquired

bgcp:PaymentsForAcquisitionsNetOfCashAndRestrictedCashAcquired


Payments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value0-67000.07938000.01000.00-26265000.00
Percentage of PaymentsForAcquisitionsNetOfCashAndRestrictedCashAcquired0.0100.0100.0100.00.0100.00.0

bgcp:PurchaseOfUnitsUponRedemptionOfFoundingWorkingPartnersUnits

bgcp:PurchaseOfUnitsUponRedemptionOfFoundingWorkingPartnersUnits


Purchase
Period End2021-06-302021-03-312012-12-312012-09-302012-06-302012-03-31
Value05145000.000-136000.0-2596000.0
Percentage of PurchaseOfUnitsUponRedemptionOfFoundingWorkingPartnersUnits0.0100.00.00.0100.0100.0

bgcp:PurchaseOfUnitsUponRedemptionOfFoundingWorkingPartnersUnits us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Purchase
Period End2021-06-302021-03-312012-12-312012-09-302012-06-302012-03-31
Value05145000.000-136000.0-2596000.0
Percentage of PurchaseOfUnitsUponRedemptionOfFoundingWorkingPartnersUnits0.0100.00.00.0100.0100.0

bgcp:RedemptionOfFoundingWorkingPartnerInterests

bgcp:RedemptionOfFoundingWorkingPartnerInterests


Redemption
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value72000.0949000.01161000.041000.030000.048000.06000.04000.035000.046000.0157000.021000.0687000.01523000.0688000.059000.0646000.0-120000.0132000.0322000.02227000.0184000.039000.020000.0520000.07620000.0489000.0366000.01363000.0158000.0632000.01951000.0-345000.0-667000.01134000.02761000.0
Percentage of RedemptionOfFoundingWorkingPartnerInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:RedemptionsAndRepurchases

bgcp:RedemptionsAndRepurchases


Redemptions
Period End2021-06-302021-03-312020-12-31
Value210.9850.72
Percentage of RedemptionsAndRepurchases100.0100.0100.0

bgcp:RedemptionsAndRepurchasesWeightedAveragePrice

bgcp:RedemptionsAndRepurchasesWeightedAveragePrice


Redemptions
Period End2021-06-302021-03-312020-12-31
Value1.524.56-0.34
Percentage of RedemptionsAndRepurchasesWeightedAveragePrice100.0100.0100.0

bgcp:RelatedPartyTransactionCompensationAndEmployeeBenefitExpense us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:RelatedPartyTransactionCompensationAndEmployeeBenefitExpense

bgcp:Cantor


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-06-302011-06-30
Value15159.49.41010129.38.49.98.67.86.06.46.05.85.45.35.75.66.16.47.0
Percentage of RelatedPartyTransactionCompensationAndEmployeeBenefitExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:RepurchaseOfCommonStockAmount

bgcp:RepurchaseOfCommonStockAmount


Repurchase
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1034.3970.00.0060.00.00.01.2360.6330.0959.7112.2163.9674.476.121411132-62.679-18.90.9
Percentage of RepurchaseOfCommonStockAmount100.0100.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:RepurchaseOfCommonStockAmount us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Repurchase
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value150.8460.00.0010.00.00.00.2660.1370.0182.0990.4840.8540.9631.3083.0572.51127-13.204-4.3260.196
Percentage of RepurchaseOfCommonStockAmount15.419.20.016.70.00.00.021.521.618.921.621.821.521.521.421.321.021.021.122.921.8

us-gaap:TreasuryStock


Repurchase
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value873.5510.00.0050.00.00.00.970.4960.0777.6121.7323.1133.5074.812119.427104-49.475-14.5740.704
Percentage of RepurchaseOfCommonStockAmount84.680.80.083.30.00.00.078.578.481.178.478.278.578.578.678.779.079.078.977.178.2

bgcp:RightOfUseAssetsAndLiabilities

bgcp:RightOfUseAssetsAndLiabilities


Right
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value166.3023.6727.654-33.213.2848.772190
Percentage of RightOfUseAssetsAndLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresInPeriodFairValue us-gaap:AwardType

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresInPeriodFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value313000.0627000.0313000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresInPeriodFairValue100.0100.0100.0

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue us-gaap:AwardType

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value181.6322.539
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue100.0100.0100.0

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardLimitedPartnersCapitalUnitsAmortization

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardLimitedPartnersCapitalUnitsAmortization


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value161719181916184.213103.045
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardLimitedPartnersCapitalUnitsAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardLimitedPartnersCapitalUnitsAmortization us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock

bgcp:LimitedPartnershipUnits, us-gaap:CommonClassA


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value161719181916184.213103.045
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardLimitedPartnersCapitalUnitsAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardLimitedPartnersCapitalUnitsAmortization us-gaap:PlanName

bgcp:PostTerminationPayout


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0390.020.157-0.0061.0650.0320.236-0.1170.003-0.461
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardLimitedPartnersCapitalUnitsAmortization0.20.10.8-0.05.50.21.3-2.80.0-15.1

bgcp:StatedVestingSchedule


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value161719181816184.33103.506
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardLimitedPartnersCapitalUnitsAmortization99.899.999.2100.094.599.898.7102.8100.0115.1

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentRedeemed us-gaap:BusinessAcquisition, us-gaap:PartnerTypeOfPartnersCapitalAccount

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentRedeemed

bgcp:BGCHoldings, bgcp:LimitedPartnershipUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.5681.097110.6140.4714.0016.6944.6945.1010.521
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentRedeemed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:NewmarkHoldings, bgcp:LimitedPartnershipUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2460.180.7690.1040.10.1920.030.1280.1710.179
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentRedeemed4.416.46.716.921.24.80.42.73.434.4

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentRedeemed us-gaap:PartnerTypeOfPartnersCapitalAccount

bgcp:LimitedPartnershipUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.8141.277120.7180.5714.1934.7955134.8225.2720.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentRedeemed104.4116.4106.7116.9121.2104.871.6102.7103.4134.4

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsAmortization

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsAmortization


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.4812.9162.6512.7853.2731.5822.1561.5992.6961.014
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsAmortization us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementClassOfStock

bgcp:LimitedPartnershipUnits, us-gaap:CommonClassA


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.4812.9162.6512.7853.2731.5822.1561.5992.6961.014
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:SharesRepurchasedAtAveragePriceOfShares us-gaap:TitleOfIndividual, us-gaap:StatementClassOfStock

bgcp:SharesRepurchasedAtAveragePriceOfShares

bgcp:ExecutiveVicePresidentAndGeneralCounselThree, us-gaap:CommonClassA


Shares
Period End2020-08-05
Value2.9
Percentage of SharesRepurchasedAtAveragePriceOfShares100.0

bgcp:StockIssuanceReversalDuringPeriodValueAcquisitions us-gaap:BusinessAcquisition

bgcp:StockIssuanceReversalDuringPeriodValueAcquisitions

bgcp:SmithMack


Stock
Period End2020-09-302019-09-30
Value-21000.0936000.0
Percentage of StockIssuanceReversalDuringPeriodValueAcquisitions100.0100.0

bgcp:StockIssuanceReversalDuringPeriodValueAcquisitions us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

bgcp:SmithMack, us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2020-09-302019-09-30
Value1000.03000.0
Percentage of StockIssuanceReversalDuringPeriodValueAcquisitions-4.80.3

bgcp:StockIssuanceReversalDuringPeriodValueAcquisitions us-gaap:BusinessAcquisition, us-gaap:StatementEquityComponents

bgcp:SmithMack, us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-302019-09-30
Value84000.01904000.0
Percentage of StockIssuanceReversalDuringPeriodValueAcquisitions-400.0203.4

bgcp:SmithMack, us-gaap:NoncontrollingInterest


Stock
Period End2020-09-302019-09-30
Value-106000.0-971000.0
Percentage of StockIssuanceReversalDuringPeriodValueAcquisitions504.8-103.7

bgcp:StockIssuedDuringPeriodSharesExchangeOfUnits us-gaap:StatementClassOfStock

bgcp:StockIssuedDuringPeriodSharesExchangeOfUnits

us-gaap:CommonClassA


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value169.10.61.31.30.60.81.21.60.90.30.5
Percentage of StockIssuedDuringPeriodSharesExchangeOfUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:StockIssuedDuringPeriodSharesRestrictedStockAwardVested us-gaap:StatementClassOfStock

bgcp:StockIssuedDuringPeriodSharesRestrictedStockAwardVested

us-gaap:CommonClassA


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value360000.01367000.0219000.0115000.0103000.0697000.051643.061851.081171.0240340.063932.082345.0100790.0280880.091631.042295.080629.0356390.068375.081873.0113570.0373900.085698.0220510.0428230.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardVested100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:StockReleasedDuringPeriodRestrictedShares

bgcp:StockReleasedDuringPeriodRestrictedShares


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.20.20.20.10.20.1-0.50.10.20.50.30.10.60.50.60.60.51.01.12.20.61.63.70.51.00.94.51.7
Percentage of StockReleasedDuringPeriodRestrictedShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:StockReleasedDuringPeriodRestrictedShares us-gaap:BusinessAcquisition

bgcp:Newmark


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.00.10.10.0550.10.10.00.042
Percentage of StockReleasedDuringPeriodRestrictedShares0.050.050.055.050.0100.0-0.042.0

bgcp:TemporaryEquityEarningsDistributions

bgcp:TemporaryEquityEarningsDistributions


Temporary
Period End2020-12-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value560000.0645000.0576000.03019000.01371000.03709000.01251000.01055000.01434000.03415000.01462000.0711000.01894000.01364000.0782000.0701000.0121000.013018000.0-5336000.01167000.014000.0-533000.0
Percentage of TemporaryEquityEarningsDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:TransactionChargeOfGrantOfExchangeability us-gaap:TitleOfIndividual

bgcp:TransactionChargeOfGrantOfExchangeability

bgcp:ExecutiveVicePresidentAndGeneralCounselThree


Transaction
Period End2020-08-06
Value381960.0
Percentage of TransactionChargeOfGrantOfExchangeability100.0

bgcp:TreasuryStockAcquiredWeightedAverageCostPerShare

bgcp:TreasuryStockAcquiredWeightedAverageCostPerShare


Treasury
Period End2021-06-302021-05-312021-04-302021-03-312021-02-282020-12-312020-09-302020-07-312019-03-31
Value6.295.595.294.294.5602.582.585.3
Percentage of TreasuryStockAcquiredWeightedAverageCostPerShare100.0100.0100.0100.0100.00.0100.0100.0100.0

bgcp:ValueOfShareWithholdingForTaxShareBasedCompensation us-gaap:AwardType, us-gaap:StatementClassOfStock

bgcp:ValueOfShareWithholdingForTaxShareBasedCompensation

us-gaap:RestrictedStockUnitsRSU, us-gaap:CommonClassA


Value
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value600000.03200000.0100000.069000.040000.01700000.0036000.032000.0400000.0
Percentage of ValueOfShareWithholdingForTaxShareBasedCompensation100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

bgcp:WeightedAverageNumberOfDilutedSharesOutstandingFromContinuingOperations

bgcp:WeightedAverageNumberOfDilutedSharesOutstandingFromContinuingOperations


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5635572.3735495465381.3323465225163.107437322478
Percentage of WeightedAverageNumberOfDilutedSharesOutstandingFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bgcp:WeightedAverageRedemptionPricePerUnit

bgcp:WeightedAverageRedemptionPricePerUnit


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.824.41.782.83.054.35.575.245.456.0
Percentage of WeightedAverageRedemptionPricePerUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDebtDiscountPremium


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-03-31
Value986000.0981000.0983000.0897000.01209000.01098000.01007000.0848000.0849000.0519000.0-4518000.03907000.0-215000.0-255000.02561000.0-647000.0-637000.0-628000.0-1607000.0-1400000.0302000.0-1316000.01469000.01464000.0
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value1.2562.0094.158-2.2470.2327.2533.1640.3540.5910.3570.2390.6681.8440.0564.8596.8610.2141.4240.6460.5681.3781.7910.3271.121134.4840.0940.3760.4743.2494.9270.410.3510.4130.1710.0930.2180.7730.221
Percentage of AssetImpairmentCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BrokerageCommissionsRevenue

us-gaap:BrokerageCommissionsRevenue


Brokerage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value389435377352382455382409420429-487.851671378668643582580547524496498475509521487415381331291303295283324298292303308272250261239244206208213
Percentage of BrokerageCommissionsRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BrokerageCommissionsRevenue us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:Cantor


Brokerage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value0.0370.025-0.0220.0380.0090.0750.0290.0240.0690.0780.1060.0590.0760.0580.1020.0670.0510.08-0.0160.0360.028520.0620.1464
Percentage of BrokerageCommissionsRevenue0.00.0-0.00.00.00.00.00.00.00.0-0.00.00.00.00.00.00.00.0-0.00.00.010.90.00.015.4

us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:BusinessCombinationConsiderationTransferred1


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.00.0-0.29.80.40.00.010233510.0
Percentage of BusinessCombinationConsiderationTransferred10.00.0100.0100.0100.00.00.0100.0100.0100.00.0

us-gaap:CapitalizedComputerSoftwareAdditions us-gaap:IncomeStatementLocation

us-gaap:CapitalizedComputerSoftwareAdditions

bgcp:OccupancyAndEquipment


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1011121215121814116.311148.71112139.64.67.47.37.52.86.05.53.93.13.02.5
Percentage of CapitalizedComputerSoftwareAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareAmortization1 us-gaap:IncomeStatementLocation

us-gaap:CapitalizedComputerSoftwareAmortization1

bgcp:OccupancyAndEquipment


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value8.08.38.87.77.77.68.27.26.96.25.77.55.16.45.54.75.15.45.96.37.47.25.87.4
Percentage of CapitalizedComputerSoftwareAmortization1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareImpairments1

us-gaap:CapitalizedComputerSoftwareImpairments1


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value1.12.01.90.10.24.83.20.40.60.40.40.70.00.13.00.50.20.50.70.61.41.81.113
Percentage of CapitalizedComputerSoftwareImpairments1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Communication

us-gaap:Communication


Communication
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value302930303030292929301731343433333131323030303031322420202120222222242422212121212121211918
Percentage of Communication100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7.67.10.300000000000000937.16.86.40.37.37.06.36.27.27.5
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostDirectLabor

us-gaap:CostDirectLabor


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value270308258244283344268278290288-569.17517524277-481.882495482
Percentage of CostDirectLabor100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostDirectLabor us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Cost
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.1790.1790.179-2.60.20.20.2
Percentage of CostDirectLabor0.10.10.1-1.00.10.10.1

srt:ScenarioPreviouslyReported


Cost
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value244283344271278290288
Percentage of CostDirectLabor100.0100.0100.0101.0100.0100.0100.0

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

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

bgcp:UnsecuredLoanAgreement, bgcp:BancoDaycovalSA, bgcp:ShortTermLoans, bgcp:BrazilianInterbankOfferedRate


Debt
Period End2021-06-01
Value3.66
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:DebtInstrumentInterestRateDuringPeriod us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateDuringPeriod

bgcp:SeniorRevolvingCreditAgreement, bgcp:UnsecuredCreditAgreementNovemberTwentyEightTwoThousandEighteen


Debt
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.082.190.02530.03446-4.34124.270.04460.04595
Percentage of DebtInstrumentInterestRateDuringPeriod100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.1610.1280.1280.0980.2170.1874.6860.5520.648-0.0070.3261.331.8442.3790.9861.02.43.7772.6873.53.95.9425.5746.38.23.167
Percentage of DeferredCompensationArrangementWithIndividualCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense us-gaap:BusinessAcquisition

bgcp:GfiGroup


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.20.10.30.10.20.24.70.60.61.30.91.31.01.30.81.02.43.82.7
Percentage of DeferredCompensationArrangementWithIndividualCompensationExpense124.278.1234.4102.092.2107.0100.3108.792.6-18571.4276.197.754.254.681.1100.0100.0100.6100.5

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value3.4763.9531.9554.0573.0721.7874.4322.1533.2534.792-23.598192318-0.089155.1196.2066.0316.1347.314.5812.2992.659.8972.4411.452-0.03-0.10.564-0.091-0.0520.0070.0060.039-0.016
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk

bgcp:ForeignExchangeAndCommoditiesOptions


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.0780.0860.0650.030.1430.0550.0260.1140.0490.063-4.4958.4916.0624.5993.223.0043.0253.6024.022.7353.2813.129-1.2171.16.0010.417
Percentage of DerivativeGainLossOnDerivativeNet2.22.23.30.74.73.10.65.31.51.319.044.125.325.1-3618.019.459.158.066.744.644.968.3-52.941.560.617.1

us-gaap:CurrencySwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.14-0.0020.010.0460.0890.2360.4460.670.6310.5940.3980.2830.2120.3780.2210.1420.3420.6270.4240.3060.1370.120.11-0.1480.001-0.034-0.024-0.068-0.115-0.057-0.066-0.0610.002
Percentage of DerivativeGainLossOnDerivativeNet4.0-0.10.51.12.913.210.131.119.412.4-1.71.50.92.1-248.30.96.710.17.05.01.92.64.8-5.60.0-1.4-1.7226.7115.0-10.172.5117.328.6

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:FinancialInstrument

us-gaap:ForwardContracts


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value-0.0630.0350.7460.5030.116-1.2681.173-2.351-2.306-0.113-6.4998.9532.6490.2920.00.00.00.152-0.3830.443
Percentage of DerivativeGainLossOnDerivativeNet-1.80.938.212.43.8-71.026.5-109.2-70.9-2.427.546.511.11.60.00.00.03.3-14.54.5

us-gaap:Future


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value3.3213.8341.1343.4782.7242.7642.7873.724.5614.2481.6063.235.745.9082.5162.0911.7491.9491.6122.3560.5660.7322.7433.474
Percentage of DerivativeGainLossOnDerivativeNet95.597.058.085.788.7154.762.9172.8140.288.6-6.816.824.032.3-2827.013.534.231.426.738.47.716.0103.535.1

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value3.8523.7743.6263.6043.57749484847476160595552515145444443373535342626262626252520191824232322
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value3.8523.7743.6263.6043.57749484847475958575552515145444443373535342626262626252520191824232322
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.096.696.696.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2034000.0-1556000.07190000.08089000.0-790000.0-13496000.05865000.0-3342000.0-1184000.01291000.0-3007000.0183000.0-11884000.03870000.0-442000.0-3833000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations us-gaap:Restatement

srt:ScenarioPreviouslyReported


Effect
Period End2020-09-302020-06-302020-03-31
Value8089000.0-790000.0-13496000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value1200000.0200000.002500000.000
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment100.0100.00.0100.00.00.0

us-gaap:EquityMethodInvestmentSoldCarryingAmount

us-gaap:EquityMethodInvestmentSoldCarryingAmount


Equity
Period End2021-06-30
Value3800000.0
Percentage of EquityMethodInvestmentSoldCarryingAmount100.0

us-gaap:EquitySecuritiesFvNiGainLoss

us-gaap:EquitySecuritiesFvNiGainLoss


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.021-0.0110.10.02560.03280.31.00.42.82.5-2.9-4.15.19.3
Percentage of EquitySecuritiesFvNiGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount us-gaap:IncomeStatementLocation

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount

us-gaap:OtherNonoperatingIncomeExpense


Equity
Period End2021-06-302020-06-30
Value87000.06000.0
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount100.0100.0

us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees us-gaap:DebtInstrument

us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees

bgcp:FourPointThreeSevenFivePercentageSeniorNotes


Expense
Period End2020-07-10
Value36000.0
Percentage of ExpenseRelatedToDistributionOrServicingAndUnderwritingFees100.0

us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees us-gaap:DebtInstrument, us-gaap:NatureOfExpense, us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:FourPointThreeSevenFivePercentageSeniorNotes, bgcp:UnderwritingFees, bgcp:CantorFitzgeraldCo


Expense
Period End2020-07-10
Value200000.0
Percentage of ExpenseRelatedToDistributionOrServicingAndUnderwritingFees555.6

us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees us-gaap:NatureOfExpense, us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:UnderwritingFees, bgcp:CantorFitzgeraldCo


Expense
Period End2020-12-312020-08-14
Value-500.014000.0
Percentage of ExpenseRelatedToDistributionOrServicingAndUnderwritingFees0.00.0

us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees us-gaap:RelatedPartyTransactionsByRelatedParty

bgcp:CantorFitzgeraldCo


Expense
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2000.0007000.0000100000.0300000.0500000.0
Percentage of ExpenseRelatedToDistributionOrServicingAndUnderwritingFees0.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

bgcp:AccountsPayableAccruedAndOtherLiabilities, bgcp:ContingentConsiderationLiability, us-gaap:FairValueInputsLevel3


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-838000.0-1102000.0-5834000.01541000.0772000.0-1141000.0-9864000.0533000.01940000.01482000.0-423000.0966000.0336000.0707000.0-943000.01959000.02727000.01042000.02071000.0-16570000.0749000.04000.0282000.0197000.0-1236000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome us-gaap:BalanceSheetLocation, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome

bgcp:AccountsPayableAccruedAndOtherLiabilities, bgcp:ContingentConsiderationLiability, us-gaap:FairValueInputsLevel3


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-122000.008000.059000.017000.0-7000.0-295000.0576000.0-556000.0-291000.0-1417000.0863000.0286000.0884000.01115000.044000.0-64000.014000.0-80000.0-5000.0-252000.0116000.041000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestExpense us-gaap:IncomeStatementLocation

us-gaap:FinanceLeaseInterestExpense

us-gaap:InterestExpense


Finance
Period End2021-06-30
Value3000.0
Percentage of FinanceLeaseInterestExpense100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-30
Value20000.0
Percentage of FinanceLeasePrincipalPayments100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization us-gaap:IncomeStatementLocation

us-gaap:FinanceLeaseRightOfUseAssetAmortization

bgcp:OccupancyAndEquipment


Finance
Period End2021-06-30
Value18000.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value100000.0200000.0-200000.0-400000.0600000.0800000.0
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

bgcp:AccruedCommissionsAndOtherReceivablesNet


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value122000.0-22000.0-900000.0300000.0-200000.0200000.0
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease122.0-11.0450.0-75.0-33.325.0

bgcp:LoansForgivableLoansAndOtherReceivablesFromEmployeesAndPartnersNet


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value100000.0200000.0-100000.0-700000.0800000.0600000.0
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease100.0100.050.0175.0133.375.0

us-gaap:FloorBrokerageExchangeAndClearanceFees

us-gaap:FloorBrokerageExchangeAndClearanceFees


Floor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value141713121319161516141615151412101010108.493109.0439.4788.865106.2784.7624.8065.5754.2065.2875.0756.3975.7715.5455.6755.8335.686.3116.5396.9326.0955.6884.5644.916
Percentage of FloorBrokerageExchangeAndClearanceFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossRealized us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:ForeignCurrencyTransactionGainLossRealized

bgcp:Cantor


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-200000.0100000.0600000.01100000.0-800000.0-1700000.0-100000.0-500000.0700000.0200000.01500000.0-1500000.0-500000.0-965200.0500000.046000.0-2300000.0-510500.04306000.0684000.0-1500000.0149000.0-640000.0-25000.0646000.0
Percentage of ForeignCurrencyTransactionGainLossRealized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfBusiness


Gain
Period End2021-06-302015-12-312015-09-302014-06-302013-12-312013-09-302013-06-30
Value-0.0324010.00.00.00.0723
Percentage of GainLossOnSaleOfBusiness100.0100.00.00.00.00.0100.0

us-gaap:GainLossOnSaleOfOtherInvestments

us-gaap:GainLossOnSaleOfOtherInvestments


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value0.605-0.99-0.006-0.042.3890.0010.0200.62820
Percentage of GainLossOnSaleOfOtherInvestments100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value767000.0181000.02769000.0-976000.0-182000.0-3559000.01779000.0-314000.02410000.01608000.0839000.0-569000.0-410000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:GoodwillPurchaseAccountingAdjustments


Goodwill
Period End2020-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302013-09-30
Value-0.4-2.566-0.3860.010-26.3180.8760.003-0.113-1.8370.0111.8270.0
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.3231.4661.3541.5271.1191.0231.0641.530.7380.783-2.6221.3442.8545.8012.2032.1471.6020.2371.8020.6830.50.558-0.8151.0420.8330.803-2.418-2.64-1.288-2.275-2.291-2.705-1.224-3.288-3.672-2.995-2.652-2.456-1.87-1.675-1.399-1.661-1.89-1.609-1.692
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseDueFromAffiliates

us-gaap:IncreaseDecreaseDueFromAffiliates


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.653-3.869-9.0916.3786.29-9.0044.3062.889-3.8620.882-40.1420.467-1.1323.301-6.063-0.5330.7743.32510-5.935-15.2227.613-0.4612.0933.722-2.0637.615-3.0423.405-6.88213-10.3544.695-2.33814-0.158-0.7270.786-2.9322.931.5480.901-5.112-1.228
Percentage of IncreaseDecreaseDueFromAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value4511548-41.154-111.2425927-67.9576.56746-45.418362394-2.66205522-20.173-5.8220.86524-2.321-23.25213-15.378-9.996-1.327-7.11811-2.3323.8252423-23.964.271
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables us-gaap:Restatement

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment


Increase
Period End2020-09-302020-06-302020-03-31
Value0.00.00.9
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables-0.0-0.01.5

srt:ScenarioPreviouslyReported


Increase
Period End2020-09-302020-06-302020-03-31
Value-41.154-111.24259
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableRelatedParties

us-gaap:IncreaseDecreaseInAccountsPayableRelatedParties


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3111-11.92315