NMIH


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

Table of contents


us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostsAndExpenses

us-gaap:GainLossOnInvestments
us-gaap:DebtInstrument
us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetInvestmentIncome

us-gaap:OtherIncome

us-gaap:PremiumsEarnedNet

us-gaap:Revenues

us-gaap:Assets
us-gaap:ConsolidatedEntities

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

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

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebt
us-gaap:ConsolidatedEntities
us-gaap:LongtermDebtType

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:ProceedsFromSaleOfShortTermInvestments
us-gaap:Range, us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType
nmih:AnticipatedOperatingExpensePaymentsAnnual
us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType, us-gaap:SubsequentEventType
nmih:CededCreditRiskCommissionEarnedPercentage
us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType, us-gaap:SubsequentEventType
nmih:CededCreditRiskProfitCommissionLossRatioOnLoansThreshold

nmih:ClassOfWarrantOrRightFairValueOfWarrantLiabilityReclassifiedToAdditionalPaidInCapitalUponExercise

nmih:ClassofWarrantorRightNumberofWarrantsExercisedDuringPeriod

nmih:CurrentYearClaimsAndClaimsAdjustmentExpenseCaseReserves

nmih:CurrentYearClaimsAndClaimsAdjustmentExpenseIncurredButNotReported

nmih:GainFromChangeInFairValueOfWarrantLiability

nmih:GainLossonChangeinFairValueofWarrantLiability

nmih:IncreaseDecreaseinReinsuranceAssetsandLiabilities
us-gaap:CounterpartyName
nmih:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsAppliedtoDeductible

nmih:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsPaidIncludingAmountsCoveredByInsurance
us-gaap:ReinsurancePolicyType
nmih:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsPaidIncludingAmountsCoveredByInsuranceAmountUnderQSRTransaction
us-gaap:CounterpartyName
nmih:MortgagePoolInsuranceClaimDeductible
us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType, us-gaap:SubsequentEventType
nmih:PremiumsEarnedPercentOfRisk

nmih:PriorYearClaimsAndClaimsAdjustmentExpenseCaseReserves

nmih:PriorYearClaimsAndClaimsAdjustmentExpenseIncurredButNotReported
us-gaap:CededCreditRisk
nmih:ReinsuranceCededClaimsandClaimsExpenses
us-gaap:CededCreditRisk
nmih:ReinsuranceCedingCommissionEarned
us-gaap:CededCreditRisk
nmih:ReinsuranceProfitCommission
us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType
nmih:ReinsuranceRetentionRiskPremiumsPaid
us-gaap:StatementEquityComponents
nmih:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlansNetofSharesForTaxWithholdings

nmih:StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings
us-gaap:StatementEquityComponents

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:CededPremiumsEarned
us-gaap:CededCreditRisk

us-gaap:CededPremiumsWritten

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DeferredIncomeTaxesAndTaxCredits

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DirectPremiumsEarned

us-gaap:DirectPremiumsWritten

us-gaap:FairValueAdjustmentOfWarrants
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedInvestmentIncomeReceivable

us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve

us-gaap:IncreaseDecreaseInPremiumsReceivable

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncreaseDecreaseInReinsuranceRecoverable

us-gaap:IncreaseDecreaseInUnearnedPremiums

us-gaap:IncurredClaimsPropertyCasualtyAndLiability

us-gaap:InvestmentIncomeInterestAndDividend

us-gaap:InvestmentIncomeInvestmentExpense

us-gaap:InvestmentIncomeNet

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

us-gaap:NetIncomeLossAttributableToParentDiluted

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherNonoperatingExpense

us-gaap:PaymentsForLossesAndLossAdjustmentExpense

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireShortTermInvestments

us-gaap:PremiumsWrittenNet

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromWarrantExercises
us-gaap:SubsequentEventType
us-gaap:ReinsuranceRetentionPolicyAmountRetained
us-gaap:CounterpartyName, us-gaap:Range, us-gaap:SubsequentEventType
us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured

us-gaap:RepaymentsOfSecuredDebt
dei:LegalEntity
us-gaap:StatutoryAccountingPracticesStatutoryNetIncomeAmount

us-gaap:StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
us-gaap:StatementEquityComponents

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

nmih:ApprovedInsurersMinimumRequiredAssets
us-gaap:ReinsurancePolicyType
nmih:CurrentFirstLayerRetainedLoss
us-gaap:TitleOfIndividual
us-gaap:ReinsurancePolicyType
nmih:CurrentReinsuranceCoverage
us-gaap:TitleOfIndividual

nmih:DebtSecuritiesCorporateComponentOfTotal.Percentage
nmih:DebtSecuritiesByIndustry
us-gaap:EquitySecuritiesByIndustry
us-gaap:ReinsurancePolicyType
nmih:InitialFirstLayerRetainedLoss
us-gaap:ReinsurancePolicyType
nmih:InitialReinsuranceCoverage

nmih:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsNumberOfPrimaryLoansInDefault

nmih:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsNumberOfPrimaryLoansInDefaultPercentOfTotalPoliciesInForce

nmih:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsTotalPoliciesInForce

nmih:LiabilityforPriorYearClaimsandClaimsAdjustmentExpense
us-gaap:CounterpartyName
nmih:LoansInPoolPastDue60DaysOrMoreLoanRiskinForce
dei:LegalEntity
nmih:MortgageInsuranceRiskinForce

nmih:OrdinaryDividendsRestrictionwithRegardstoCapitalSurplus

nmih:OrdinaryDividendsRestrictionwithRegardstoCapitalSurplusNextFiscalYear
us-gaap:ReinsurancePolicyType
nmih:ReinsuranceCoveragePercentageOfPopulationWithProductionPriorToPeriodStartDate
us-gaap:CededCreditRisk
nmih:RiskInForceCeded
dei:LegalEntity
nmih:RiskToCapitalRatioRegulatoryActual
dei:LegalEntity
nmih:StatutoryAccountingPracticesContingencyReserve
dei:LegalEntity
nmih:StatutoryAccountingPracticesStatutoryCapitalAndSurplusIncludingContingencyReserve

nmih:TaxAndLossBond
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
nmih:WarrantLiability
us-gaap:FairValueByMeasurementFrequency

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:AccruedInvestmentIncomeReceivable
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument
us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:ClassOfWarrantOrRightOutstanding

us-gaap:CommonStockValueOutstanding
us-gaap:ConsolidatedEntities
dei:LegalEntity, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentFaceAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredPolicyAcquisitionCosts

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesOther
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:DerivativeLiabilities
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:ConsolidatedEntities
us-gaap:DueFromAffiliates
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FundsHeldUnderReinsuranceAgreementsLiability
us-gaap:DebtInstrument
us-gaap:InterestAndDividendsPayableCurrentAndNoncurrent
us-gaap:DebtInstrument
us-gaap:InterestPayableCurrentAndNoncurrent

us-gaap:InterestReceivable

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
us-gaap:ProductOrService
us-gaap:ReinsurancePolicyType

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType
us-gaap:LongTermDebtFairValue

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities

us-gaap:PremiumsReceivableAtCarryingValue

us-gaap:PrepaidExpenseCurrentAndNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:PrepaidReinsurancePremiums

us-gaap:ReinsuranceRecoverablesGross

us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses
us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType
us-gaap:ProductOrService
us-gaap:ReinsurancePolicyType

us-gaap:RestrictedCash

us-gaap:SecuredDebt
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense
dei:LegalEntity
us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments
dei:LegalEntity, us-gaap:StatementScenario
dei:LegalEntity
us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount
us-gaap:FinancialInstrument

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost
us-gaap:FinancialInstrument

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue
us-gaap:FinancialInstrument

us-gaap:UnearnedPremiums

us-gaap:WarrantsAndRightsOutstanding
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:WarrantsAndRightsOutstandingMeasurementInput

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Interest Expense
Balance Sheet
Goodwill
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
NonCurrent Assets
Goodwill
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Other Liabilities
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Prepaid Deferred Expense And Other Assets
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
Shares
Common Stock Shares Outstanding
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock█████▄▃▃▃▃▃▃▃▃▁▁▁▁▁85.70385.685.16384.80984.80568.87468.35867.92767.76867.50266.31966.28665.75465.56960.51859.92859.85859.78359.145NANANA58.808NANANA58.429NANANANANANANANANA
us-gaap:CommonStockSharesOutstanding NANA85.284.884.80476668.8735468.35807467.9273767.76846667.50195866.31884966.28584765.75378465.56934260.51751259.92809259.858418NA59.145161NANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ████▅▄▄▄▄▄▄▃▃▃▁▂▂▂▂▁▁▁86.81986.48786.2585.59974.17470.40170.27670.13769.5968.99669.01368.84468.61665.69760.21963.08895863.01036262.33885661.22933860.28474659.83089958.936694NA58.74132858.720095NANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ████▅▄▃▃▃▃▃▃▃▂▁▁▁▁▁▁▁▁85.64785.31784.95684.80573.61768.56368.1467.84967.5966.69266.30865.94865.66462.09960.21959.88362959.82339659.18397359.14001159.13040159.10561358.936694NA58.74132858.720095NANANANANANANANANANANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█0.0020.314NA0.420.6090.015NA0.0060.7050.754NA0.00.3080.169NA0.830.8351.211NANANA7.351338NANANA7.137901NA5.95.96.2NA5.304693NA6.5NA4.414165
us-gaap:EarningsPerShareBasic ▆▆▅▅▄▇▆▆▅▅▅▄▄▄▂▃▃▃█▃▂▂▂▂▁0.670.620.570.450.360.850.740.730.580.490.540.380.380.36-0.030.210.10.091.040.10.03-0.07-0.07999999999999996-0.08-0.18NANANANANANANANANANANA
us-gaap:EarningsPerShareDiluted ▆▆▅▅▄▆▆▆▅▅▅▄▄▄▂▃▃▃█▃▂▂▂▂▁0.650.610.560.450.360.740.710.690.560.480.460.360.370.34-0.030.20.10.091.010.10.03-0.07-0.07999999999999996-0.08-0.18NANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
us-gaap:ComprehensiveIncomeNetOfTax █▃▇▆▇▆▆▇▆▆▅▄▄▄▃▄▃▃▆▃▄▃▂▂▂▂▂▂▂▂▂▂▁▂▂▂76.3027.75855.06547.56360.05945.44748.31854.87652.96847.91536.99123.55123.73111.399-3.99513.0358.7126.72545.3016.02710.626.079-7.721-5.267-12.912-5.761-9.746-11.685-12.015-12.02-13.092324-11.589568-26.484-11.065-12.795177-8.112673
us-gaap:CostsAndExpenses ▅▅▅▆█▄▆▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▂▁47.1147.73848.28758.42672.97135.49357.24435.81635.46633.59231.52531.47829.66330.02230.67125.60229.42126.62424.0824.70123.70423.1322.05819.83420.90418.45417.66517.86918.66519.30215.26419416.03399417.0212.42613.0793038.113547
us-gaap:GainLossOnInvestments 0.012NA0.295-0.0040.711-0.0720.2640.081-0.113-0.1870.006-0.0080.0590.00.0090.0690.188-0.058NANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument nmih:SeniorSecuredTermLoan2018NANA0.00.0-2.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ██▇▆▅█▇▇▆▅▆▅▅▄▄▄▃▃▃▃▂▂▂▂▁▂▁▁▁▁▁▁▁73.65567.45661.61649.35734.97772.15662.78963.93250.95838.97445.24431.84732.33926.53117.05919.4979.4966.747.0596.2892.011-3.907-4.821-4.799-10.112-8.061-10.833-11.253-14.152-15.055-13.085-13.873-16.274NANANA
us-gaap:IncomeTaxExpenseBenefit ██▇▇▇█▇█▇▇▇▇▇▇█▇▇▆▁▆▆▆▆▆▆▆▆▆▆▆▆▆▆16.13314.56513.34811.1788.12913.88512.59414.16911.8586.0759.7247.0367.0984.17618.8257.1853.4841.248-54.5030.1140.00.00.00.00.241-0.241-0.812-0.277-1.2970.00.00.00.0NANANA
us-gaap:IncomeTaxesPaidNet █▇▂▄▅▄▁0.2510.206-0.1460.00.0760.0-0.183NANANANANA-0.0750.209NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense ████▅▁▁▁▁▁▁▁▅▂▂▂▂▂▂▂▂▂7.9227.9157.9067.7965.9412.7442.9742.9793.0713.0613.0282.9725.563.4193.3823.3523.33.4943.7763.7333.7073.632NANANANANANANANANA0.0NANANA0.0
us-gaap:InterestPaidNet NANA13.2750.01.8832.4032.6312.6952.7482.6172.862.8083.3533.0723.005NANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss █▇▇▆▅█▇▇▆▅▆▅▅▄▂▄▃▃█▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▂57.52252.89148.26838.17926.84858.27150.19549.76339.132.89935.5224.81125.24122.355-1.76612.3126.0125.49261.5626.1752.011-3.907-4.821-4.799-10.353-7.82-10.02-10.976-12.855-15.055-13.084-13.872674-16.274-11.953-12.796-8.112673
us-gaap:NetInvestmentIncome ██▇▇▆▇▇▇▇▇▆▆▅▄▄▄▄▄▄▄▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁9.3828.8148.3868.3377.078.1047.9627.8827.6297.3836.9526.2775.7354.5744.3884.173.9083.8073.6343.5443.3423.2312.0781.8841.6881.5961.3191.3421.4681.4891.4721.5193611.4070.410.0050.000874
us-gaap:OtherIncome ▄▄▄▅█▆▇█▃▁▁▁▁▁▁▂▂▁0.4830.5010.5130.6481.2230.91.1541.2440.4150.0420.040.0850.0440.0640.0620.1950.1850.08NANANANANANANANANANANANANANANANANANA
us-gaap:PremiumsEarnedNet ██▇▇▇▇▇▇▆▆▅▅▅▄▄▄▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁110.888105.879100.70998.80298.94498.71795.51792.38183.24973.86869.26165.40761.61554.91450.07944.51937.91733.22532.82531.80826.04119.80716.8812.8348.8566.9365.513.92.0931.9041.6120.4820.0010.00.00.0
us-gaap:Revenues ██▇▇▇▇▇▇▆▆▅▅▅▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁120.765115.194109.903107.783107.948107.649104.897101.58891.1881.10676.25971.76167.45359.55254.53848.95342.19837.05436.62835.5229.48122.18518.86214.70310.89810.3936.8326.6164.5134.2472.1796562.161320.7460.4730.2831260.000874
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
us-gaap:Assets ██▇▇▇▅▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁2305.8782187.8312166.6662081.822046.9311387.8271364.8181301.4621220.3991147.5111092.0431052.4811016.479987.591894.848886.612862.995840.162841.737792.166716.428684.314662.451486.897466.089461.739463.265465.578466.163471.184481.219461.718976NANA542.767734NA
us-gaap:Liabilities ███▇█▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▂▁▁▁▁▁▁▁▁845.973807.523797.075774.264789.894412.937434.398427.975408.02395.63390.543391.988386.837385.647385.771375.587367.955356.253364.388361.897293.993274.256259.7278.69654.40238.53736.30731.1822.25317.73118.00214.860871NANA54.020093NA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▇▅▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁2305.8782187.8312166.6662081.822046.9311387.8271364.8181301.4621220.3991147.5111092.0431052.4811016.479987.591894.848886.612862.995840.162841.737792.166716.428684.314662.451486.897466.089461.739463.265465.578466.163471.184481.219461.718976NANA542.767734NA
us-gaap:StockholdersEquity █▇▇▇▇▅▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁1459.9051380.3081369.5911307.5561257.037974.89930.42873.487812.379751.881701.5660.493629.642601.944509.0511.025495.04483.909477.349430.269422.435410.058402.731408.201411.687423.202426.958434.398443.91453.453463.217446.858105NANA488.747641NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▂▃▃█▂▁▁▁▁▁▁▁▂▁▁68.08115.517126.937194.199515.45109.82141.08945.88935.73539.76125.29418.18716.454101.8919.19620.698NANA47.746NANANA57.317NANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
us-gaap:PropertyPlantAndEquipmentGross NANA72.203NANANA58.956NANANA48.976NANANA39.24NANANA30.176NANANA20.098NANANA13.75621.46519.08216.48714.823NANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:EquipmentNANA9.123NANANA8.992NANANA7.035NANANA4.133NANANA3.102NANANA1.803NANANA1.1750.6260.5610.5440.5420.387446NANA0.284573NA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA3.402NANANA3.442NANANA3.491NANANA3.491NANANA3.453NANANA1.028NANANA0.9731.0030.9040.2170.1410.035039NANA0.0NA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareAndSoftwareDevelopmentCostsNANA59.678NANANA46.522NANANA38.45NANANA31.616NANANA23.621NANANA17.267NANANA11.60819.83617.61715.72614.1412.526481NANA7.268439NA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA42.538NANANA32.86NANANA24.211NANANA16.438NANANA9.774NANANA4.897NANANA1.9510.6888.917.2615.9473.894971NANA0.002917NA
us-gaap:PropertyPlantAndEquipmentNet ██▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▃▃▂▂▂▂▁▁▁▁31.44331.29829.66528.13126.10525.66726.09626.30325.82725.10524.76522.88722.80322.85722.80221.76721.5321.16820.40219.92419.6917.21915.20113.90213.28412.91311.80610.77710.1729.2268.8769.053995NANA7.550095NA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities srt:ParentCompanyNANA1724.36NANANA1025.286NANANA766.193NANANA573.695NANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█3.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.6343.634197NANA3.634197NA
us-gaap:OperatingLeaseRightOfUseAsset NANA4.6NANANA6.46.97.37.7NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
us-gaap:LongTermDebt NANA393.301NANA145.521145.764146.007146.253146.503146.757147.009147.262143.868143.882143.969143.99144.01144.353144.23144.107143.982143.939NANANA0.0NANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:ConsolidatedEntities srt:ParentCompanyNANA393.301NANANA145.764NANANA146.757NANANA143.882NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType us-gaap:SecuredDebt█▅▁393.9393.6393.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType us-gaap:SeniorNotesNANA393.3393.0392.8NA145.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet █▇▇▆▅▄▄▃▂▂▁136.273115.15112.58697.45183.78566.83156.3643.76928.25812.772.74NANANA0.0NANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA2.574NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA0.462NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
us-gaap:StockholdersEquity █▇▇▇▇▅▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁1459.9051380.3081369.5911307.5561257.037974.89930.42873.487812.379751.881701.5660.493629.642601.944509.0511.025495.04483.909477.349430.269422.435410.058402.731408.201411.687423.202426.958434.398443.91453.453463.217446.858105NANA488.747641NA
us-gaap:AdditionalPaidInCapital █████▄▄▄▄▄▄▄▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁944.121940.827937.872930.906927.95706.021707.003698.393692.163684.635682.181678.165670.87666.905585.488583.447580.499578.081576.927575.148573.342571.585570.34568.09566.31564.915562.911560.605558.432555.963553.707524.280385NANA517.032619NA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▇▆▆▆▅▄▄▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▂▂▂▂487.424429.902377.011328.743290.564263.716205.445155.25105.48766.38733.488-2.032-26.843-52.084-74.157-72.391-84.703-90.716-94.882-156.444-162.619-164.63-160.723-155.902-151.103-140.75-132.93-122.909-111.933-99.079-84.024-70.94NANA-28.840538NA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▃█▇▆▃▄▅▄▃▁▁▁▁▂▃▂▂▂▄▄▃▂▂▂▂▂▂▂▂▂▂27.5038.72353.85647.05937.6754.46417.28819.16514.0520.184-14.832-16.303-15.043-13.533-2.859-0.63-1.354-4.054-5.28710.97411.1212.512-7.474-4.574-4.107-1.548-3.607-3.882-3.173-4.012-7.047-7.038655NANA0.000559NA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁3.3833.022NA2.9562.7222.552NA3.3993.4752.981NA2.9593.0172.8052.5512.7141.9482.2711.8351.8141.7581.4072.2621.7882.0682.0052.3062.173NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities █▇▄▇▇▅▆▅▅▃▄▄▄▃▃▃▂▁▃97.0885.46437.62187.62279.50347.85268.58352.24359.04528.27946.51237.99640.22221.13125.98527.18616.681-2.08919.732NANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▅▅▁▅▇▆▆▆▆▆▆▅▆▆▆▆▆▆▆▆▇▃▇▆▆▆█▇▇▇▇▅▂▇-144.232-96.447-108.676-406.572-140.08925.783-77.092-42.294-62.992-11.977-39.722-38.735-125.623-16.57-26.519-26.399-8.896-31.258-16.078-26.572-52.92615.784-244.44350.953-7.617-29.058-33.05104.379-2.191-1.0560.950514.4985-110.189-325.209-3.196686NA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▁▁█▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▃▁▁▁▁▁▁▁▁▁▁▁▁-0.285-0.4373.793-2.301466.215-4.9033.7090.205-0.079-1.8350.3172.472-0.03578.133-0.968-0.124-0.293-1.856-0.43-0.383-0.376-0.534143.677-0.001-0.677-0.0010.00.00.104-0.0927.9119138.7e-05-1.5780.00.000194NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▄▃▁█▅▄▄▄▄▄▄▃▅▄-47.437-11.42-67.262-321.251405.62968.732-4.810.154-4.02614.4677.1071.733-85.43682.694-1.502NANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities █▇▄▇▇▅▆▅▅▃▄▄▄▃▃▃▂▁▃97.0885.46437.62187.62279.50347.85268.58352.24359.04528.27946.51237.99640.22221.13125.98527.18616.681-2.08919.732NANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss █▇▇▆▅█▇▇▆▅▆▅▅▄▂▄▃▃█▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▂57.52252.89148.26838.17926.84858.27150.19549.76339.132.89935.5224.81125.24122.355-1.76612.3126.0125.49261.5626.1752.011-3.907-4.821-4.799-10.353-7.82-10.02-10.976-12.855-15.055-13.084-13.872674-16.274-11.953-12.796-8.112673
us-gaap:ShareBasedCompensation ▇▆▅▅▅▄▆▇▇▆█▅▆▅▄▅▄▂▂▂▂▁▃▂▃▃▄▃▄▄▁▃█▆▆▃3.3833.0222.8852.9562.7222.5523.1763.3993.4752.9813.7762.9593.0172.8052.5512.7142.3081.9111.8671.8311.7461.412.2791.812.082.0052.3062.1732.3682.3331.5399471.967983.8463.0133.0239042.045215
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▅▅▁▅▇▆▆▆▆▆▆▅▆▆▆▆▆▆▆▆▇▃▇▆▆▆█▇▇▇▇▅▂▇-144.232-96.447-108.676-406.572-140.08925.783-77.092-42.294-62.992-11.977-39.722-38.735-125.623-16.57-26.519-26.399-8.896-31.258-16.078-26.572-52.92615.784-244.44350.953-7.617-29.058-33.05104.379-2.191-1.0560.950514.4985-110.189-325.209-3.196686NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▆▄▅█▅▁▄▅▄▂▄▃▂▁▂▃▂▅▅▃▇▃▂▁▁▁▂▃▄▂▁▃▁▂▂3.5942.4563.0574.4643.1451.4932.5072.9582.741.7512.7342.0531.9031.371.6412.0061.7943.0693.0222.2673.8632.3191.9621.4041.4521.3171.5792.3712.6061.6641.2960462.3119541.3621.7221.792403NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▁▁█▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▃▁▁▁▁▁▁▁▁▁▁▁▁-0.285-0.4373.793-2.301466.215-4.9033.7090.205-0.079-1.8350.3172.472-0.03578.133-0.968-0.124-0.293-1.856-0.43-0.383-0.376-0.534143.677-0.001-0.677-0.0010.00.00.104-0.0927.9119138.7e-05-1.5780.00.000194NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value858585848468686767676666656560595959595858
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value85848468686767676666656560595959
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value868686857470707069686968686560636362616059585858
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value858584847368686767666665656260595959595959585858
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-03-312015-03-312014-09-302014-06-302014-03-312013-09-302013-03-312012-09-30
Value2000.0314000.0420000.0609000.015000.06000.0705000.0754000.00308000.0169000.0830000.0835000.01211000.07351300.07137900.05900000.05900000.06200000.05304700.06500000.04414200.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.670.620.570.450.360.850.740.730.580.490.540.380.380.36-0.030.210.10.091.040.10.03-0.07-0.08-0.08-0.18
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.650.610.560.450.360.740.710.690.560.480.460.360.370.34-0.030.20.10.091.010.10.03-0.07-0.08-0.08-0.18
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value767.758554760454854524736232311-3.995138.7126.725456.027106.079-7.721-5.267-12.912-5.761-9.746-11.685-12.015-12.02-13.092324-11.589568-26.484-11.065-12.795177-8.112673
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues63.26.750.144.155.642.246.154.058.159.148.532.835.219.1-7.326.620.618.1123.717.036.027.4-40.9-35.8-118.5-55.4-142.7-176.6-266.2-283.0-600.7-536.2-3550.1-2339.3-4519.3-928223.5

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value47474858723557353533313129303025292624242323221920181717181915161712138.113547
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues39.041.443.954.267.633.054.635.338.941.441.343.944.050.456.252.369.771.965.769.580.4104.3116.9134.9191.8177.6258.6270.1413.6454.5700.3741.92281.52627.14619.6928323.5

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value12000.0295000.0-4000.0711000.0-72000.0264000.081000.0-113000.0-187000.06000.0-8000.059000.009000.069000.0188000.0-58000.0
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0
Percentage of Revenues0.00.3-0.00.7-0.10.30.1-0.1-0.20.0-0.00.10.00.00.10.4-0.2

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument

us-gaap:GainsLossesOnExtinguishmentOfDebt

nmih:SeniorSecuredTermLoan2018


Gains
Period End2020-12-312020-09-302020-06-30
Value00-2600000.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.0100.0
Percentage of Revenues0.00.0-2.4
Percentage of Revenues nmih:SeniorSecuredTermLoan20180.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value736761493472626350384531322617199.4966.747.0596.2892.011-3.907-4.821-4.799-10.112-8.061-10.833-11.253-14.152-15.055-13.085-13.873-16.274
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues61.058.656.145.832.467.059.962.955.948.159.344.447.944.631.339.822.518.219.317.76.8-17.6-25.6-32.6-92.8-77.6-158.6-170.1-313.6-354.5-600.3-641.9-2181.5

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value161413118.129131214116.0759.7247.0367.0984.176187.1853.4841.248-54.5030.1140.00.00.00.00.241-0.241-0.812-0.277-1.2970.00.00.00.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues13.412.612.110.47.512.912.013.913.07.512.89.810.57.034.514.78.33.4-148.80.30.00.00.00.02.2-2.3-11.9-4.2-28.70.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-06-302018-03-31
Value251000.0206000.0-146000.0076000.00-183000.0-75000.0209000.0
Percentage of IncomeTaxesPaidNet100.0100.0100.00.0100.00.0100.0100.0100.0
Percentage of Revenues0.20.2-0.10.00.10.0-0.2-0.10.4

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312013-09-302012-09-30
Value7.9227.9157.9067.7965.9412.7442.9742.9793.0713.0613.0282.9725.563.4193.3823.3523.33.4943.7763.7333.7073.6320.00.0
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Revenues6.66.97.27.25.52.52.82.93.43.84.04.18.25.76.26.87.89.410.310.512.616.40.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value130.01.8832.4032.6312.6952.7482.6172.862.8083.3533.0723.005
Percentage of InterestPaidNet100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues12.10.01.72.22.52.73.03.23.83.95.05.25.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value5752483826585049393235242522-1.766126.0125.492616.1752.011-3.907-4.821-4.799-10.353-7.82-10.02-10.976-12.855-15.055-13.084-13.872674-16.274-11.953-12.796-8.112673-6.196-0.386
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues47.645.943.935.424.954.147.949.042.940.646.634.637.437.5-3.225.214.214.8168.117.46.8-17.6-25.6-32.6-95.0-75.2-146.7-165.9-284.8-354.5-600.3-641.9-2181.5-2527.1-4519.5-928223.50.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value5752382658493932242522-1.766126.0125.492596.1752.011-3.907-4.821-4.799-10.353-7.82-10.021-10.976-12.854-15.055-13.084538
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.097.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues47.645.935.424.954.149.042.940.634.637.437.5-3.225.214.214.8163.117.46.8-17.6-25.6-32.6-95.0-75.2-146.7-165.9-284.8-354.5-600.3
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Investment Income

us-gaap:NetInvestmentIncome

us-gaap:NetInvestmentIncome


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value9.3828.8148.3868.3377.078.1047.9627.8827.6297.3836.9526.2775.7354.5744.3884.173.9083.8073.6343.5443.3423.2312.0781.8841.6881.5961.3191.3421.4681.4891.4721.5193611.4070.410.0050.0008740.00.0
Percentage of NetInvestmentIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Revenues7.87.77.67.76.57.57.67.88.49.19.18.78.57.78.08.59.310.39.910.011.314.611.012.815.515.419.320.332.535.167.570.3188.686.71.8100.00.00.0

Other Income

us-gaap:OtherIncome

us-gaap:OtherIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value483000.0501000.0513000.0648000.01223000.0900000.01154000.01244000.0415000.042000.040000.085000.044000.064000.062000.0195000.0185000.080000.0
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.40.40.50.61.10.81.11.20.50.10.10.10.10.10.10.40.40.2

Premiums Earned Net

us-gaap:PremiumsEarnedNet

us-gaap:PremiumsEarnedNet


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1101051009898989592837369656154504437333231261916128.8566.9365.513.92.0931.9041.6120.4820.0010.00.00.00.00.0
Percentage of PremiumsEarnedNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0
Percentage of Revenues91.891.991.691.791.791.791.190.991.391.190.891.191.392.291.890.989.989.789.689.588.389.389.587.381.366.780.658.946.444.874.022.30.10.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value1201151091071071071041019181767167595448423736352922181410106.8326.6164.5134.2472.1796562.161320.7460.4730.2831260.000874
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value2305218721662081204613871364130112201147109210521016987894886862840841792716684662486466461463465466471481461542
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value19111179901680
Percentage of Assets88.286.482.676.1
Percentage of Assets88.286.482.676.1
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value84580779777478941243442740839539039138638538537536735636436129327425978543836312217181454
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.736.936.837.238.629.831.832.933.434.535.837.238.139.043.142.442.642.443.345.741.040.139.216.211.78.37.86.74.83.83.73.210.0

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value542248200171
Percentage of Liabilities68.057.251.244.5
Percentage of Assets25.018.218.319.2
Percentage of Assets srt:ParentCompany28.421.122.225.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value2305218721662081204613871364130112201147109210521016987894886862840841792716684662486466461463465466471481461542
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value19111179901680
Percentage of LiabilitiesAndStockholdersEquity88.286.482.676.1
Percentage of Assets88.286.482.676.1
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-05-18
Value14591380136913071257974930873812751701660629601509511495483477430422410402408411423426434443453463446488-1.3488240.0
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets63.363.163.262.861.470.268.267.166.665.564.262.861.961.056.957.657.457.656.754.359.059.960.883.888.391.792.293.395.296.296.396.890.00.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-31
Value1369930701
Percentage of StockholdersEquity100.0100.0100.0
Percentage of Assets63.268.264.2
Percentage of Assets srt:ParentCompany71.678.977.8

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-05-18
Value278.7235347374.4641719140.184-14.832-16.303-15.043-13.533-2.859-0.63-1.354-4.054-5.28710112.512-7.474-4.574-4.107-1.548-3.607-3.882-3.173-4.012-7.047-7.0386550.0005590.00.0
Percentage of StockholdersEquity1.90.63.93.63.00.51.92.21.70.0-2.1-2.5-2.4-2.2-0.6-0.1-0.3-0.8-1.12.62.60.6-1.9-1.1-1.0-0.4-0.8-0.9-0.7-0.9-1.5-1.60.0-0.00.0
Percentage of Assets1.20.42.52.31.80.31.31.51.20.0-1.4-1.5-1.5-1.4-0.3-0.1-0.2-0.5-0.61.41.60.4-1.1-0.9-0.9-0.3-0.8-0.8-0.7-0.9-1.5-1.50.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-05-18
Value9449409379309277067076986926846826786706665855835805785765755735715705685665645625605585555535245170.00.0
Percentage of StockholdersEquity64.768.268.571.273.872.476.080.085.291.197.2102.7106.5110.8115.0114.2117.3119.5120.9133.7135.7139.4141.6139.2137.6133.5131.8129.1125.8122.6119.5117.3105.8-0.00.0
Percentage of Assets40.943.043.344.745.350.951.853.756.759.762.564.466.067.565.465.867.368.868.572.680.083.586.1116.7121.5122.3121.5120.4119.8118.0115.1113.595.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value0.8570.8560.8520.8480.8480.6890.6840.6790.6770.6750.6630.6630.6580.6560.6050.5990.5980.5980.5910.5880.584
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-05-18
Value4874293773282902632051551056633-2.032-26.843-52.084-74.157-72.391-84.703-90.716-94.882-156.444-162.619-164.63-160.723-155.902-151.103-140.75-132.93-122.909-111.933-99.079-84.024-70.94-28.840538-1.3488250.0
Percentage of StockholdersEquity33.431.127.525.123.127.122.117.813.08.84.8-0.3-4.3-8.7-14.6-14.2-17.1-18.7-19.9-36.4-38.5-40.1-39.9-38.2-36.7-33.3-31.1-28.3-25.2-21.8-18.1-15.9-5.9100.00.0
Percentage of Assets21.119.617.415.814.219.015.111.98.65.83.1-0.2-2.6-5.3-8.3-8.2-9.8-10.8-11.3-19.7-22.7-24.1-24.3-32.0-32.4-30.5-28.7-26.4-24.0-21.0-17.5-15.4-5.30.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-31
Value681151261945151094145353925181610119204757
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.05.35.99.325.27.93.03.52.93.52.31.71.610.32.12.35.78.7

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1913120.5281513
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents15.132.748.82.833.223.0
Percentage of Assets0.91.01.10.11.92.0
Percentage of Assets srt:ParentCompany1.01.11.40.10.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value7258483930201321191614
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.34.34.54.43.63.03.04.64.13.53.1

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Equipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value9.1238.9927.0354.1333.1021.8031.1750.6260.5610.5440.5420.3874460.284573
Percentage of PropertyPlantAndEquipmentGross12.615.314.410.510.39.08.52.92.93.33.70.00.0
Percentage of Assets0.40.70.60.50.40.30.30.10.10.10.10.10.1
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.4023.4423.4913.4913.4531.0280.9731.0030.9040.2170.1410.0350390.0
Percentage of PropertyPlantAndEquipmentGross4.75.87.18.911.45.17.14.74.71.31.00.00.0
Percentage of Assets0.20.30.30.40.40.20.20.20.20.00.00.00.0
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value5946383123171119171514127.268439
Percentage of PropertyPlantAndEquipmentGross82.778.978.580.678.385.984.492.492.395.495.40.00.0
Percentage of Assets2.83.43.53.52.82.62.54.33.83.32.92.71.3
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value423224169.7744.8971.95108.917.2615.9473.8949710.002917
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.42.21.81.20.70.42.31.91.51.20.80.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value31312928262526262525242222222221212120191917151313121110109.2268.8769.0539957.550095
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.41.41.41.31.81.92.02.12.22.32.22.22.32.52.52.52.52.42.52.72.52.32.92.92.82.52.32.22.01.82.01.4

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities

srt:ParentCompany


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value29262422
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0
Percentage of Assets1.41.92.32.5
Percentage of Assets srt:ParentCompany1.62.22.73.4

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
Value17241025766573
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0
Percentage of Assets79.675.170.264.1
Percentage of Assets srt:ParentCompany90.287.085.084.3

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634000.03634200.03634200.0
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.30.30.30.30.30.30.30.40.40.40.40.40.40.40.50.50.50.50.70.80.80.80.80.80.80.80.80.7

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value4600000.06400000.06900000.07300000.07700000.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0
Percentage of Assets0.20.50.50.60.7

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value515253151644212012124.7085.2765.8363.9633.6954.9731.4710.7340.5420.2060.0850.0740.092.4860.0550.0560.5090.6750.0570.0570.0630.059050.108802
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.22.42.50.70.83.21.61.61.01.10.40.50.60.40.40.60.20.10.10.00.00.00.00.50.00.00.10.10.00.00.00.00.0

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value5.6767.1881.6641.704
Percentage of OtherAssets10.734.035.346.1
Percentage of Assets0.30.50.20.2
Percentage of Assets srt:ParentCompany0.30.60.20.3

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value3931451451461461461461471471431431431431441441441441431430.0
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets18.210.510.711.212.012.813.414.014.514.616.116.216.717.117.118.220.121.021.70.0

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value393145146143
Percentage of LongTermDebt100.0100.0100.0100.0
Percentage of Assets18.210.713.416.1
Percentage of Assets srt:ParentCompany20.612.416.321.1

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-31
Value393393393
Percentage of LongTermDebt0.00.0100.0
Percentage of Assets17.118.018.2
Percentage of Assets us-gaap:SecuredDebt0.00.00.0

us-gaap:SeniorNotes


Long
Period End2020-12-312020-09-302020-06-302019-12-31
Value393393392145
Percentage of LongTermDebt100.00.00.0100.0
Percentage of Assets18.218.919.210.7
Percentage of Assets us-gaap:SeniorNotes0.00.00.00.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value136115112978366564328122.740.0
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets5.95.35.24.74.14.84.13.42.31.10.30.0

us-gaap:DeferredIncomeTaxLiabilitiesNet us-gaap:ConsolidatedEntities

srt:ParentCompany


Deferred
Period End2020-12-312019-12-312018-12-31
Value1086218
Percentage of DeferredIncomeTaxLiabilitiesNet96.3111.6686.5
Percentage of Assets5.04.61.7
Percentage of Assets srt:ParentCompany5.75.32.1

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value2574000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value462000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value5300000.07400000.07900000.08400000.08900000.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets0.20.50.60.70.8

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value5645000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value391000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-05-18
Value14591380136913071257974930873812751701660629601509511495483477430422410402408411423426434443453463446488-1.3488240.0
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets63.363.163.262.861.470.268.267.166.665.564.262.861.961.056.957.657.457.656.754.359.059.960.883.888.391.792.293.395.296.296.396.890.00.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-31
Value1369930701
Percentage of StockholdersEquity100.0100.0100.0
Percentage of Assets63.268.264.2
Percentage of Assets srt:ParentCompany71.678.977.8

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-05-18
Value278.7235347374.4641719140.184-14.832-16.303-15.043-13.533-2.859-0.63-1.354-4.054-5.28710112.512-7.474-4.574-4.107-1.548-3.607-3.882-3.173-4.012-7.047-7.0386550.0005590.00.0
Percentage of StockholdersEquity1.90.63.93.63.00.51.92.21.70.0-2.1-2.5-2.4-2.2-0.6-0.1-0.3-0.8-1.12.62.60.6-1.9-1.1-1.0-0.4-0.8-0.9-0.7-0.9-1.5-1.60.0-0.00.0
Percentage of Assets1.20.42.52.31.80.31.31.51.20.0-1.4-1.5-1.5-1.4-0.3-0.1-0.2-0.5-0.61.41.60.4-1.1-0.9-0.9-0.3-0.8-0.8-0.7-0.9-1.5-1.50.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-05-18
Value9449409379309277067076986926846826786706665855835805785765755735715705685665645625605585555535245170.00.0
Percentage of StockholdersEquity64.768.268.571.273.872.476.080.085.291.197.2102.7106.5110.8115.0114.2117.3119.5120.9133.7135.7139.4141.6139.2137.6133.5131.8129.1125.8122.6119.5117.3105.8-0.00.0
Percentage of Assets40.943.043.344.745.350.951.853.756.759.762.564.466.067.565.465.867.368.868.572.680.083.586.1116.7121.5122.3121.5120.4119.8118.0115.1113.595.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value0.8570.8560.8520.8480.8480.6890.6840.6790.6770.6750.6630.6630.6580.6560.6050.5990.5980.5980.5910.5880.584
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-05-18
Value4874293773282902632051551056633-2.032-26.843-52.084-74.157-72.391-84.703-90.716-94.882-156.444-162.619-164.63-160.723-155.902-151.103-140.75-132.93-122.909-111.933-99.079-84.024-70.94-28.840538-1.3488250.0
Percentage of StockholdersEquity33.431.127.525.123.127.122.117.813.08.84.8-0.3-4.3-8.7-14.6-14.2-17.1-18.7-19.9-36.4-38.5-40.1-39.9-38.2-36.7-33.3-31.1-28.3-25.2-21.8-18.1-15.9-5.9100.00.0
Percentage of Assets21.119.617.415.814.219.015.111.98.65.83.1-0.2-2.6-5.3-8.3-8.2-9.8-10.8-11.3-19.7-22.7-24.1-24.3-32.0-32.4-30.5-28.7-26.4-24.0-21.0-17.5-15.4-5.30.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value944940937930927706707698692684682678670666585583580578576575573571570568566564562560558555553524517
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.943.043.344.745.350.951.853.756.759.762.564.466.067.565.465.867.368.868.572.680.083.586.1116.7121.5122.3121.5120.4119.8118.0115.1113.595.3

us-gaap:AdditionalPaidInCapital us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-31
Value937707682
Percentage of AdditionalPaidInCapital100.0100.0100.0
Percentage of Assets43.351.862.5
Percentage of Assets srt:ParentCompany49.160.075.7

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value4874293773282902632051551056633-2.032-26.843-52.084-74.157-72.391-84.703-90.716-94.882-156.444-162.619-164.63-160.723-155.902-151.103-140.75-132.93-122.909-111.933-99.079-84.024-70.94-28.840538
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.119.617.415.814.219.015.111.98.65.83.1-0.2-2.6-5.3-8.3-8.2-9.8-10.8-11.3-19.7-22.7-24.1-24.3-32.0-32.4-30.5-28.7-26.4-24.0-21.0-17.5-15.4-5.3

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-31
Value37720533
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0
Percentage of Assets17.415.13.1
Percentage of Assets srt:ParentCompany19.717.43.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value278.7235347374.4641719140.184-14.832-16.303-15.043-13.533-2.859-0.63-1.354-4.054-5.28710112.512-7.474-4.574-4.107-1.548-3.607-3.882-3.173-4.012-7.047-7.0386550.000559
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.20.42.52.31.80.31.31.51.20.0-1.4-1.5-1.5-1.4-0.3-0.1-0.2-0.5-0.61.41.60.4-1.1-0.9-0.9-0.3-0.8-0.8-0.7-0.9-1.5-1.50.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-31
Value5317-14.832
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0
Percentage of Assets2.51.3-1.4
Percentage of Assets srt:ParentCompany2.81.5-1.6

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value3.3833.0222.9562.7222.5523.3993.4752.9812.9593.0172.8052.5512.7141.9482.2711.8351.8141.7581.4072.2621.7882.0682.0052.3062.173
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value3.3833.0222.9562.7222.5523.3993.4752.9812.9593.0172.8052.5512.7141.9482.2711.8351.8141.7581.4072.2621.7882.0682.0052.3062.173
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value9785378779476852592846374021252716-2.08919
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues80.474.234.281.373.644.565.451.464.834.961.052.959.635.547.655.539.5-5.653.9

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-144.232-96.447-108.676-406.572-140.08925-77.092-42.294-62.992-11.977-39.722-38.735-125.623-16.57-26.519-26.399-8.896-31.258-16.078-26.572-52.92615-244.44350-7.617-29.058-33.05104-2.191-1.0560.950514-110.189-325.209-3.196686
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-119.4-83.7-98.9-377.2-129.824.0-73.5-41.6-69.1-14.8-52.1-54.0-186.2-27.8-48.6-53.9-21.1-84.4-43.9-74.8-179.571.1-1296.0346.5-69.9-279.6-483.81577.7-48.5-24.943.6670.8-14770.6-68754.5-1129.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-0.285-0.4373.793-2.301466-4.9033.7090.205-0.079-1.8350.3172.472-0.03578-0.968-0.124-0.293-1.856-0.43-0.383-0.376-0.534143-0.001-0.677-0.0010.00.00.104-0.09278.7e-05-1.5780.00.000194
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.00.0100.0
Percentage of Revenues-0.2-0.43.5-2.1431.9-4.63.50.2-0.1-2.30.43.4-0.1131.2-1.8-0.3-0.7-5.0-1.2-1.1-1.3-2.4761.7-0.0-6.2-0.00.00.02.3-2.11280.60.0-211.50.00.1

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-47.437-11.42-67.262-321.25140568-4.810-4.026147.1071.733-85.43682-1.502
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-39.3-9.9-61.2-298.1375.863.8-4.610.0-4.417.89.32.4-126.7138.9-2.8

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value9785378779476852592846374021252716-2.08919
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues80.474.234.281.373.644.565.451.464.834.961.052.959.635.547.655.539.5-5.653.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value5752483826585049393235242522-1.766126.0125.492616.1752.011-3.907-4.821-4.799-10.353-7.82-10.02-10.976-12.855-15.055-13.084-13.872674-16.274-11.953-12.796-8.112673-6.196-0.386
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues47.645.943.935.424.954.147.949.042.940.646.634.637.437.5-3.225.214.214.8168.117.46.8-17.6-25.6-32.6-95.0-75.2-146.7-165.9-284.8-354.5-600.3-641.9-2181.5-2527.1-4519.5-928223.50.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value5752382658493932242522-1.766126.0125.492596.1752.011-3.907-4.821-4.799-10.353-7.82-10.021-10.976-12.854-15.055-13.084538
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.097.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues47.645.935.424.954.149.042.940.634.637.437.5-3.225.214.214.8163.117.46.8-17.6-25.6-32.6-95.0-75.2-146.7-165.9-284.8-354.5-600.3
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value3.3833.0222.8852.9562.7222.5523.1763.3993.4752.9813.7762.9593.0172.8052.5512.7142.3081.9111.8671.8311.7461.412.2791.812.082.0052.3062.1732.3682.3331.5399471.967983.8463.0133.0239042.045215
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-144.232-96.447-108.676-406.572-140.08925-77.092-42.294-62.992-11.977-39.722-38.735-125.623-16.57-26.519-26.399-8.896-31.258-16.078-26.572-52.92615-244.44350-7.617-29.058-33.05104-2.191-1.0560.950514-110.189-325.209-3.196686
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-119.4-83.7-98.9-377.2-129.824.0-73.5-41.6-69.1-14.8-52.1-54.0-186.2-27.8-48.6-53.9-21.1-84.4-43.9-74.8-179.571.1-1296.0346.5-69.9-279.6-483.81577.7-48.5-24.943.6670.8-14770.6-68754.5-1129.1

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value3.5942.4563.0574.4643.1451.4932.5072.9582.741.7512.7342.0531.9031.371.6412.0061.7943.0693.0222.2673.8632.3191.9621.4041.4521.3171.5792.3712.6061.6641.2960462.3119541.3621.7221.792403
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-0.285-0.4373.793-2.301466-4.9033.7090.205-0.079-1.8350.3172.472-0.03578-0.968-0.124-0.293-1.856-0.43-0.383-0.376-0.534143-0.001-0.677-0.0010.00.00.104-0.09278.7e-05-1.5780.00.000194
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.00.0100.0
Percentage of Revenues-0.2-0.43.5-2.1431.9-4.63.50.2-0.1-2.30.43.4-0.1131.2-1.8-0.3-0.7-5.0-1.2-1.1-1.3-2.4761.7-0.0-6.2-0.00.00.02.3-2.11280.60.0-211.50.00.1

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value21.921.60.122.60.2320.192-0.0030.2220.2330.1560.0040.2210.2190.1570.2490.3690.3670.185-4.77520.0180000-0.0240.030.00750.0250.09200000
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.00.00.00.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1493000.01928000.02882000.03311000.03026000.03851000.03630000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value13.5913.0411.4210.4110.2710.2110.66
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value112562.740.00.1370.1370.1370.1370.1370.1370.1370.1370.1330.1330.133
Percentage of DeferredTaxLiabilities100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302012-12-31
Value1519213371124.5762.1710.8313981.7
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302012-12-31
Value7.617.8578.17.167.252665335268.195141
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Sale Of Short Term Investments

us-gaap:ProceedsFromSaleOfShortTermInvestments

us-gaap:ProceedsFromSaleOfShortTermInvestments


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302013-12-312013-09-302012-12-31
Value0.3560.04.48281448038817296213127484746353732240.00.0-0.0010.00.0
Percentage of ProceedsFromSaleOfShortTermInvestments100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.0

nmih:AnticipatedOperatingExpensePaymentsAnnual us-gaap:Range, us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType

nmih:AnticipatedOperatingExpensePaymentsAnnual

srt:Maximum, nmih:ThirdPartyReinsurers, nmih:TwoThousandEighteenILNTransaction


Anticipated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-31
Value50000.0250000.0000250000.00250000.00
Percentage of AnticipatedOperatingExpensePaymentsAnnual100.0100.00.00.00.0100.00.0100.00.0

srt:Maximum, nmih:ThirdPartyReinsurers, nmih:TwoThousandSeventeenILNTransaction


Anticipated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-50000.0300000.0000300000.0000300000.00
Percentage of AnticipatedOperatingExpensePaymentsAnnual-100.0120.00.00.00.0120.00.00.00.0120.00.0

nmih:CededCreditRiskCommissionEarnedPercentage us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType, us-gaap:SubsequentEventType

nmih:CededCreditRiskCommissionEarnedPercentage

nmih:ThirdPartyReinsurers, nmih:TwoThousandTwentyOneQSRTransaction, us-gaap:SubsequentEvent


Ceded
Period End2021-01-01
Value20.0
Percentage of CededCreditRiskCommissionEarnedPercentage100.0

nmih:CededCreditRiskProfitCommissionLossRatioOnLoansThreshold us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType, us-gaap:SubsequentEventType

nmih:CededCreditRiskProfitCommissionLossRatioOnLoansThreshold

nmih:ThirdPartyReinsurers, nmih:TwoThousandTwentyOneQSRTransaction, us-gaap:SubsequentEvent


Ceded
Period End2021-01-01
Value57.5
Percentage of CededCreditRiskProfitCommissionLossRatioOnLoansThreshold100.0

nmih:ClassOfWarrantOrRightFairValueOfWarrantLiabilityReclassifiedToAdditionalPaidInCapitalUponExercise

nmih:ClassOfWarrantOrRightFairValueOfWarrantLiabilityReclassifiedToAdditionalPaidInCapitalUponExercise


Class
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value200000.0400000.0100000.000200000.01300000.02200000.03900000.0900000.0-600000.0900000.0100000.0500000.0
Percentage of ClassOfWarrantOrRightFairValueOfWarrantLiabilityReclassifiedToAdditionalPaidInCapitalUponExercise100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:ClassofWarrantorRightNumberofWarrantsExercisedDuringPeriod

nmih:ClassofWarrantorRightNumberofWarrantsExercisedDuringPeriod


Classof
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value14000.027000.009000.058000.0130000.0193000.067000.09000.079000.09000.054000.055000.0000000000007790.0
Percentage of ClassofWarrantorRightNumberofWarrantsExercisedDuringPeriod100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.0100.0

nmih:CurrentYearClaimsAndClaimsAdjustmentExpenseCaseReserves

nmih:CurrentYearClaimsAndClaimsAdjustmentExpenseCaseReserves


Current
Period End2021-06-302021-03-312020-06-302020-03-31
Value4.55.3286.0
Percentage of CurrentYearClaimsAndClaimsAdjustmentExpenseCaseReserves100.0100.0100.0100.0

nmih:CurrentYearClaimsAndClaimsAdjustmentExpenseIncurredButNotReported

nmih:CurrentYearClaimsAndClaimsAdjustmentExpenseIncurredButNotReported


Current
Period End2021-06-302021-03-312020-06-302020-03-31
Value300000.05300000.05500000.01600000.0
Percentage of CurrentYearClaimsAndClaimsAdjustmentExpenseIncurredButNotReported100.0100.0100.0100.0

nmih:GainFromChangeInFairValueOfWarrantLiability

nmih:GainFromChangeInFairValueOfWarrantLiability


Gain
Period End2021-06-302020-09-302020-06-302020-03-312019-09-30
Value-658000.0437000.01236000.0-5959000.0-1139000.0
Percentage of GainFromChangeInFairValueOfWarrantLiability100.0100.0100.0100.0100.0

nmih:GainLossonChangeinFairValueofWarrantLiability

nmih:GainLossonChangeinFairValueofWarrantLiability


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value658000.0-205000.0-1379000.0-437000.0-1236000.05959000.0-2632000.01139000.0-1685000.0-5479000.03538000.0-5464000.0109000.0420000.0-3426000.0-502000.019000.0-196000.0-1714000.0-797000.0-59000.0670000.0431000.0332000.0-106000.01248000.0-60000.01240000.0952000.0817000.0-918000.0468850.0-1115000.035000.0278000.0000
Percentage of GainLossonChangeinFairValueofWarrantLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

nmih:IncreaseDecreaseinReinsuranceAssetsandLiabilities

nmih:IncreaseDecreaseinReinsuranceAssetsandLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value92000.0-101000.074000.0-199000.0-3349000.0691000.0243000.0341000.0290000.0148000.05000.0-200000.0219000.0-584000.0-714000.0-209000.0-268000.0-141000.02025000.0431000.0000
Percentage of IncreaseDecreaseinReinsuranceAssetsandLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

nmih:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsAppliedtoDeductible us-gaap:CounterpartyName

nmih:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsAppliedtoDeductible

nmih:FannieMae


Liabilityfor
Period End2021-06-302021-03-312020-12-31
Value01000000.0100000.0
Percentage of LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsAppliedtoDeductible0.0100.0100.0

nmih:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsPaidIncludingAmountsCoveredByInsurance

nmih:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsPaidIncludingAmountsCoveredByInsurance


Liabilityfor
Period End2021-06-302021-03-312020-12-31
Value700000.0600000.0800000.0
Percentage of LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsPaidIncludingAmountsCoveredByInsurance100.0100.0100.0

nmih:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsPaidIncludingAmountsCoveredByInsuranceAmountUnderQSRTransaction us-gaap:ReinsurancePolicyType

nmih:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsPaidIncludingAmountsCoveredByInsuranceAmountUnderQSRTransaction

nmih:QSRTransactions


Liabilityfor
Period End2021-06-302021-03-31
Value200000.0100000.0
Percentage of LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseClaimsPaidIncludingAmountsCoveredByInsuranceAmountUnderQSRTransaction100.0100.0

nmih:MortgagePoolInsuranceClaimDeductible us-gaap:CounterpartyName

nmih:MortgagePoolInsuranceClaimDeductible

nmih:FannieMae


Mortgage
Period End2021-06-302021-03-312020-12-31
Value09400000.00
Percentage of MortgagePoolInsuranceClaimDeductible0.0100.00.0

nmih:PremiumsEarnedPercentOfRisk us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType, us-gaap:SubsequentEventType

nmih:PremiumsEarnedPercentOfRisk

nmih:ThirdPartyReinsurers, nmih:TwoThousandTwentyOneQSRTransaction, us-gaap:SubsequentEvent


Premiums
Period End2021-01-01
Value22.5
Percentage of PremiumsEarnedPercentOfRisk100.0

nmih:PriorYearClaimsAndClaimsAdjustmentExpenseCaseReserves

nmih:PriorYearClaimsAndClaimsAdjustmentExpenseCaseReserves


Prior
Period End2021-06-302021-03-312020-06-302020-03-31
Value500000.0600000.0500000.0600000.0
Percentage of PriorYearClaimsAndClaimsAdjustmentExpenseCaseReserves100.0100.0100.0100.0

nmih:PriorYearClaimsAndClaimsAdjustmentExpenseIncurredButNotReported

nmih:PriorYearClaimsAndClaimsAdjustmentExpenseIncurredButNotReported


Prior
Period End2021-06-302021-03-312020-06-302020-03-31
Value05000000.001300000.0
Percentage of PriorYearClaimsAndClaimsAdjustmentExpenseIncurredButNotReported0.0100.00.0100.0

nmih:ReinsuranceCededClaimsandClaimsExpenses us-gaap:CededCreditRisk

nmih:ReinsuranceCededClaimsandClaimsExpenses

nmih:ThirdPartyReinsurers


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.1941.180.6013.28.6691.5321.030.7660.770.8990.710.3370.1730.5430.80.2770.3420.2680.2070.09
Percentage of ReinsuranceCededClaimsandClaimsExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:ReinsuranceCedingCommissionEarned us-gaap:CededCreditRisk

nmih:ReinsuranceCedingCommissionEarned

nmih:ThirdPartyReinsurers


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value5.9615.1624.7874.7984.4284.5134.6914.5844.1714.2064.0843.8143.5363.1512.8852.5812.2752.0651.7520.551
Percentage of ReinsuranceCedingCommissionEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:ReinsuranceProfitCommission us-gaap:CededCreditRisk

nmih:ReinsuranceProfitCommission

nmih:ThirdPartyReinsurers


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value141313115.27112131311121111109.2018.1397.7586.5365.6515.6421.641
Percentage of ReinsuranceProfitCommission100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:ReinsuranceRetentionRiskPremiumsPaid us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType

nmih:ReinsuranceRetentionRiskPremiumsPaid

nmih:ThirdPartyReinsurers, nmih:TwoThousandSeventeenILNTransaction


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value109.49.46.33.33.94.34.41.31.41.51.51.61.61.71.91.4
Percentage of ReinsuranceRetentionRiskPremiumsPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlansNetofSharesForTaxWithholdings us-gaap:StatementEquityComponents

nmih:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlansNetofSharesForTaxWithholdings

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value95000.0413000.04000.061000.0510000.077000.0138000.01144000.0475000.0182000.0770000.0558000.070000.075000.0638000.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlansNetofSharesForTaxWithholdings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings

nmih:StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-285000.0-620000.0-321000.0-3750000.0656000.0219000.0-1459000.03096000.0887000.0-991000.0-687000.0235000.082000.0-1110000.0-56000.0-8000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-286000.0-624000.0-321000.0-3755000.0655000.0218000.0-1471000.03092000.0885000.0-999000.0-693000.0234000.082000.0-1117000.0-56000.0-8000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings100.4100.6100.0100.199.899.5100.899.999.8100.8100.999.6100.0100.6100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1000.04000.05000.01000.01000.012000.04000.02000.08000.06000.01000.007000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings-0.4-0.6-0.10.20.5-0.80.10.2-0.8-0.90.40.0-0.6

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-1653000.0-1636000.0-1552000.0-1487000.0-311000.0-318000.0-309000.0-321000.0-308000.0-314000.0-343000.0-366000.0-371000.0-439000.0-399000.0-428000.0-415000.0-357000.0-305000.0-305000.0-323000.0-326000.00833000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value450000.0443000.0436000.0333000.03009000.0258000.0257000.0255000.0251000.0248000.0249000.0290000.02490000.0361000.0361000.0355000.0354000.0403000.0498000.0498000.0500000.0418000.0251000.0000
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:CededPremiumsEarned

us-gaap:CededPremiumsEarned


Ceded
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2321201921141414111212118.9948.698.5517.5056.3164.2134.1051.2440.00.00.0
Percentage of CededPremiumsEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:CededPremiumsEarned us-gaap:CededCreditRisk

nmih:ThirdPartyReinsurers


Ceded
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value27252424232323232021201918161413114.213112.885
Percentage of CededPremiumsEarned118.1118.3118.4124.1109.5159.0161.9161.8175.3172.7169.6173.7201.0186.6174.2178.5181.5100.0277.4231.9

us-gaap:CededPremiumsWritten

us-gaap:CededPremiumsWritten


Ceded
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value22201817181212119.6049.8079.398.3676.2346.9978.8858.5016.8864.6415.934370.00.00.0
Percentage of CededPremiumsWritten100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value12000.0446000.004586000.0540000.0264000.081000.022000.0195000.05000.0461000.059000.0010000.069000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value12000.0295000.0-4000.0711000.0-72000.0264000.081000.0-113000.0-187000.06000.0-8000.059000.0010000.069000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value151000.04000.03875000.0612000.000135000.0382000.0-1000.0469000.00000
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss100.0100.0100.0100.00.00.0100.0100.0100.0100.00.00.00.00.0

us-gaap:DeferredIncomeTaxesAndTaxCredits

us-gaap:DeferredIncomeTaxesAndTaxCredits


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value161413118.126131314116.0389.2295.8346.8554.009196.8913.3031.146
Percentage of DeferredIncomeTaxesAndTaxCredits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DepreciationAmortizationAndAccretionNet


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2669000.02675000.02552000.02464000.02473000.02441000.02638000.02322000.02236000.02103000.01986000.02015000.01952000.01858000.01792000.01752000.01617000.01502000.01360000.02005000.0979000.01316000.01215000.01121000.01426000.01099000.01477000.02333000.02318000.01952000.02706100.02696900.02654000.059000.03000.0
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DirectPremiumsEarned

us-gaap:DirectPremiumsEarned


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value134127121118120113110106958681767063585244373633261916
Percentage of DirectPremiumsEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DirectPremiumsWritten

us-gaap:DirectPremiumsWritten


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value148136123119108103101100928177737066605646394446483845149.6615.0515.1783.0584340.4815290.0010.00.00.0
Percentage of DirectPremiumsWritten100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:FairValueAdjustmentOfWarrants

us-gaap:FairValueAdjustmentOfWarrants


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-658000.0205000.01379000.0437000.01236000.0-5959000.02632000.0-1139000.01685000.05479000.0-3538000.05464000.0-109000.0-420000.03426000.0502000.0-19000.0196000.01713000.0798000.059000.0-670000.0-432000.0-331000.0106000.0-1248000.060000.0-1240000.0
Percentage of FairValueAdjustmentOfWarrants100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

us-gaap:FairValueInputsLevel3, us-gaap:Warrant


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-658000.0205000.07193000.0437000.01236000.0-5959000.0-14682000.0-1139000.01685000.05479000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements

us-gaap:FairValueInputsLevel3, us-gaap:Warrant


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value196000.0375000.0105000.00-1000.0221000.01355000.02176000.03837000.0944000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.4431.570.0551912-14.0785.0835.1847.074-13.4534.3364.4614.823-7.5561.3613.5112.993-10.3514.3756.7423.268-11.0855.0361.8755.547-4.2910.1141.5611.12-2.6780.198732.860270.812-3.1043.184686
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedInvestmentIncomeReceivable

us-gaap:IncreaseDecreaseInAccruedInvestmentIncomeReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value653000.0633000.096000.01857000.0717000.0361000.0-54000.0584000.0-252000.0859000.0-187000.01092000.024000.0553000.0-386000.0732000.0-34000.0479000.0-194000.0547000.0-76000.0271000.01194000.0-249000.0196000.025000.0414000.0-696000.0198000.0-210000.0166920.0-270920.0971000.01134000.06000.0
Percentage of IncreaseDecreaseInAccruedInvestmentIncomeReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts

us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-0.1570.069-0.969-0.4250.9852.6623.334.0353.7871.982.4032.0742.3372.1011.8241.8952.0412.0561.1983.7834.183.4185.3493.9632.9352.2981.3340.60.0740.8870.0857740.0042260.00.00.0
Percentage of IncreaseDecreaseInDeferredPolicyAcquisitionCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value5.1325.5363.33717405.7273.2472.0732.8952.7261.9030.3070.211.632.6381.0751.2870.760.8680.6580.3380.4580.3210.177
Percentage of IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPremiumsReceivable

us-gaap:IncreaseDecreaseInPremiumsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3.7332.4271.621.751-0.4640.7870.3553.5053.7462.4721.3323.4233.0882.9854.1233.2612.2291.8382.352.512.291.4351.1571.2281.0950.6150.6460.2590.0140.110.0190.00.00.0
Percentage of IncreaseDecreaseInPremiumsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-0.082-0.14838-0.2470.1710.1570.4038.1680.451-0.191-0.377-0.859-0.3360.2682.0030.2210.7370.1920.3360.1210.011-0.0160.0340.001-0.001-0.453-0.1660.6190.0-0.0070.0037520.0032480.001-0.0540.030284
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncreaseDecreaseInPrepaidExpense


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-904000.01707000.0-1287000.01163000.0-1334000.01238000.0-1000000.01160000.0-1095000.01407000.0110000.0224000.0-695000.01451000.0-500000.0579000.0-863000.0944000.0-322000.0503000.0-922000.01304000.0-355000.0-86000.0-222000.037000.0957000.0-42000.0-563000.0183000.0465800.096196.0424000.0116000.033789.0
Percentage of IncreaseDecreaseInPrepaidExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReinsuranceRecoverable

us-gaap:IncreaseDecreaseInReinsuranceRecoverable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1.041.0780.4282.8738.1151.2530.6310.534
Percentage of IncreaseDecreaseInReinsuranceRecoverable100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInUnearnedPremiums

us-gaap:IncreaseDecreaseInUnearnedPremiums


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value148.592.8090.772-11.672-9.734-8.504-6.212-2.967-4.568-4.0-2.7650.0682.4241.8214.1932.4411.8057.50513221828
Percentage of IncreaseDecreaseInUnearnedPremiums100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncurredClaimsPropertyCasualtyAndLiability

us-gaap:IncurredClaimsPropertyCasualtyAndLiability


Incurred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value4.644.9623.54915345.6974.2692.5722.9232.7432.1411.0990.6431.5692.3740.9571.3730.6350.80.6640.470.4580.3710.181-0.0060.1040.081-0.0260.0280.00.00.00.00.00.00.00.00.0
Percentage of IncurredClaimsPropertyCasualtyAndLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0

us-gaap:InvestmentIncomeInterestAndDividend

us-gaap:InvestmentIncomeInterestAndDividend


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value9.6089.2258.8478.6247.328.3498.0928.0037.7417.4967.156.4735.9374.7824.5914.3634.0993.9933.8313.7273.5363.4082.1922.012
Percentage of InvestmentIncomeInterestAndDividend100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInvestmentExpense

us-gaap:InvestmentIncomeInvestmentExpense


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value226000.0411000.0461000.0287000.0250000.0245000.0130000.0121000.0112000.0113000.0198000.0196000.0202000.0208000.0203000.0193000.0191000.0186000.0197000.0183000.0200000.0200000.0183000.0100000.0100000.0100000.0105000.0138000.0137000.0137000.0154380.0132000.040000.0157000.00
Percentage of InvestmentIncomeInvestmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:InvestmentIncomeNet

us-gaap:InvestmentIncomeNet


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value9.3828.8148.3868.3377.078.1047.9627.8827.6297.3836.9526.2775.7354.5744.3884.173.9083.8073.6343.5443.3423.2312.0781.8841.3191.3421.4681.4891.471851.5191.4070.410.004951
Percentage of InvestmentIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value012000.0434000.0113000.039000.00204000.000093000.037000.00027000.0000171000.093000.0132000.0050000.000000000
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear10.0100.0100.0100.0100.00.0100.00.00.00.0100.0100.00.00.0100.00.00.00.0100.0100.0100.00.0100.00.00.00.00.00.00.00.00.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value548000.0492000.0206000.01100000.01985000.01224000.01448000.01033000.0674000.0694000.0629000.0890000.0481000.0371000.0437000.0157000.0421000.0142000.0-29000.093000.0132000.0004000.00000000
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.00.00.00.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value4.644.9623.54915345.6974.2692.5722.9232.7432.1411.0990.6431.5692.3740.9571.3730.6350.8030.6610.470.4580.3710.181-0.0060.1040.081-0.0260.0280.00.0
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:NetIncomeLossAttributableToParentDiluted

us-gaap:NetIncomeLossAttributableToParentDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5652493826525048393235242522-1.766126.05.492
Percentage of NetIncomeLossAttributableToParentDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value18-45.1339.38433-12.8245.1131315-1.26-1.51-10.956-2.2290.7242.71.233-16.261-0.1478.6099.986-2.9-0.467-2.5592.0590.275-0.7090.8393.035-0.008786
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value18-45.1339.38433-12.8245.1131315-1.26-1.51-10.956-2.2290.7242.71.233-16.261-0.1478.6099.986-2.9-0.467-2.5592.0590.275-0.7090.8393.035-0.008786
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4992000.0-11997000.02494000.08829000.0-3409000.01359000.0-3686000.03992000.0-335000.0-2891000.0-423000.0-1201000.0-390000.0-1454000.0664000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value18-45.1336.7979.38433-12.824-1.8775.11313151.471-1.26-1.51-10.956-2.2290.7232.71.233-16.261-0.1488.6099.986-2.9-0.468-2.5592.0590.275-0.7090.843.035-0.0077862.283106-10.210.8880.0010.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value10000.0233000.0-3000.0562000.0-57000.0208000.064000.0-89000.0-148000.00-7000.046000.002000.045000.0122000.0-58000.0066000.061000.0-885000.0-603000.0-15000.0354000.0613000.0196000.0000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax


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
Value3000.0-15000.062000.0-1000.0149000.0-15000.055000.017000.0-24000.0-39000.00-2000.012000.004000.024000.066000.00000000000000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


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
Value18-45.1337.039.38133-12.881-1.6695.17713141.471-1.267-1.464-10.956-2.2270.7682.8221.175-16.261-0.0828.679.101-3.503-0.483-2.2052.6720.471-0.7090.843.035
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value4.995111.872.4948.978-3.424-0.4431.3763.6623.9530.391-0.337-2.879-0.423-1.2050.3661.3880.6641.1780.00.00.00.00.0-1.4311.4310.214-0.4882.6640.00.00.00.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value34343433303231333230293029282824282523242322211920181717181915161712
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNonoperatingExpense

us-gaap:OtherNonoperatingExpense


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
Value481000.0591000.0459000.0557000.01090000.0734000.0937000.0909000.0353000.049000.045000.056000.062000.0107000.0
Percentage of OtherNonoperatingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForLossesAndLossAdjustmentExpense

us-gaap:PaymentsForLossesAndLossAdjustmentExpense


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value548000.0504000.0640000.01213000.02024000.01224000.01652000.01033000.0125000.0694000.0722000.0927000.0481000.0371000.0464000.0157000.0421000.0142000.0142000.093000.0132000.0050000.04000.00000000
Percentage of PaymentsForLossesAndLossAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.00.00.00.00.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value175000.01717000.06373000.0778000.000000224000.03385000.0075000.000370000.00000
Percentage of PaymentsOfDebtIssuanceCosts100.0100.0100.0100.00.00.00.00.00.0100.0100.00.0100.00.00.0100.00.00.00.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.4434.5051.4960.0030.3457.1173.9310.7791.06112-0.3913.6330.9575.5234.6990.240.143.5030.0610.030.0560.6080.0110.0140.7460.3340.0110.00.9820.098.7e-05-8.7e-051.5780.00.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1761091634513935810360537246911447452495660-107.48876103712532.2424761564.2490.00.110.1228477.5781532133380.0
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0

us-gaap:PaymentsToAcquireShortTermInvestments

us-gaap:PaymentsToAcquireShortTermInvestments


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.3690.00.041407665478984671619323938226640400.00.00.00.03.6e-05-3.6e-050.00.511.404283
Percentage of PaymentsToAcquireShortTermInvestments100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.00.0100.0100.0

us-gaap:PremiumsWrittenNet

us-gaap:PremiumsWrittenNet


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1261151051019091898882716765645951473934389.199483845352012149.6615.0515.1783.0580.4815290.0010.00.00.00.00.0
Percentage of PremiumsWrittenNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.0-0.5970.00.00.00.00.00.0-0.08479-2.9220.4910.2222.3920.0060.0220.0550.4490.00.0130.0690.3330.0110.01.0860.0270.0-0.000124
Percentage of ProceedsFromIssuanceOfCommonStock0.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.00.0100.00.0100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.1573.8865.4640.0160.0243.3678.0151.3591.357110.36.3841.3914.7823.9980.4910.2222.392
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value4515574825146241720292542674419104123-79.5152548911544133241100.4150.718
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromWarrantExercises

us-gaap:ProceedsFromWarrantExercises


Proceeds
Period End2021-06-302021-03-312019-12-312018-12-312017-12-31
Value1000.0182000.001000.0183000.0
Percentage of ProceedsFromWarrantExercises100.0100.00.0100.0100.0

us-gaap:ReinsuranceRetentionPolicyAmountRetained us-gaap:SubsequentEventType

us-gaap:ReinsuranceRetentionPolicyAmountRetained

us-gaap:SubsequentEvent


Reinsurance
Period End2021-04-272020-10-29
Value163121
Percentage of ReinsuranceRetentionPolicyAmountRetained100.0100.0

us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured us-gaap:CounterpartyName, us-gaap:Range, us-gaap:SubsequentEventType

us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured

nmih:OaktownReIVLtd, srt:Maximum, us-gaap:SubsequentEvent


Reinsurance
Period End2021-04-272020-10-29
Value367242
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured100.0100.0

us-gaap:RepaymentsOfSecuredDebt

us-gaap:RepaymentsOfSecuredDebt


Repayments
Period End2020-09-302020-06-302020-03-312019-09-30
Value0.01470.3750.375
Percentage of RepaymentsOfSecuredDebt0.0100.0100.0100.0

us-gaap:StatutoryAccountingPracticesStatutoryNetIncomeAmount dei:LegalEntity

us-gaap:StatutoryAccountingPracticesStatutoryNetIncomeAmount

nmih:NMicandReoneCombined


Statutory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value8.86.42.478-5.6-24.7057.6911.6398.0556.466-0.9272.238-17.2742.066-6.814-6.552-7.688-11.616-10.09-2.845-2.176-11.282-10.35-13.731-12.438-14.022-12.131-11.744-11.58-11.887-12.75
Percentage of StatutoryAccountingPracticesStatutoryNetIncomeAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities

us-gaap:StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0080.024-0.0004740.0064740.040.0820.1290.0391950.0040.0570.0037510.026
Percentage of StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0080.024150.0060.0820.1280.0390.0570.0030.025686
Percentage of StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities100.0100.0-3348101.392.7100.099.299.5100.080.098.8

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.1970.5572190.2212.1773.8360.9441.2450.0630.489
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.1970.5572190.2212.1763.8350.9441.2440.0630.489
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities100.0100.099.9100.0100.0100.0100.099.9100.0100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value5.069105.74518347.5583.7893.5473.4923.9092.771.9381.2121.942.5941.2151.3760.9550.6540.690.560.5530.3410.2190.0590.080.081-0.0260.0280.00.0
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-429000.0-5595000.0-2196000.0-3015000.0-624000.0-1861000.0480000.0-975000.0-569000.0-1166000.0-629000.0-839000.0-569000.0-371000.0-220000.0-258000.0-3000.0-320000.0149000.0-29000.0-280000.095000.0128000.0-38000.0-65000.024000.000000
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1172000.01170000.0794000.0557000.01838000.02288000.02000000.02304000.02896000.02952000.03598000.03205000.03187000.03155000.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:ApprovedInsurersMinimumRequiredAssets

nmih:ApprovedInsurersMinimumRequiredAssets


Approved
Period End2020-12-31
Value400
Percentage of ApprovedInsurersMinimumRequiredAssets100.0

nmih:CurrentFirstLayerRetainedLoss us-gaap:ReinsurancePolicyType

nmih:CurrentFirstLayerRetainedLoss

nmih:A2017ILN


Current
Period End2021-06-302021-03-312017-05-02
Value121121121
Percentage of CurrentFirstLayerRetainedLoss100.0100.0100.0

nmih:A2018ILN


Current
Period End2021-06-302021-03-312018-07-25
Value122123123
Percentage of CurrentFirstLayerRetainedLoss101.4101.40.0

nmih:A2019ILN


Current
Period End2021-06-302021-03-312019-07-30
Value122122122
Percentage of CurrentFirstLayerRetainedLoss101.3101.20.0

nmih:A20201ILN


Current
Period End2021-06-302021-03-312019-07-30
Value169169169
Percentage of CurrentFirstLayerRetainedLoss139.8139.70.0

nmih:A20211ILN


Current
Period End2021-06-30
Value163
Percentage of CurrentFirstLayerRetainedLoss135.0

nmih:CurrentFirstLayerRetainedLoss us-gaap:TitleOfIndividual

nmih:A2017ILN


Current
Period End2020-09-302020-06-302017-05-02
Value121122124
Percentage of CurrentFirstLayerRetainedLoss0.00.0102.2

nmih:A2018ILN


Current
Period End2020-09-302020-06-302018-07-25
Value123123125
Percentage of CurrentFirstLayerRetainedLoss0.00.00.0

nmih:A2019ILN


Current
Period End2020-09-302020-06-302019-07-30
Value123123123
Percentage of CurrentFirstLayerRetainedLoss0.00.00.0

nmih:A20201ILN


Current
Period End2020-09-30
Value169
Percentage of CurrentFirstLayerRetainedLoss0.0

nmih:CurrentReinsuranceCoverage us-gaap:ReinsurancePolicyType

nmih:CurrentReinsuranceCoverage

nmih:A20201ILN


Current
Period End2021-06-302021-03-312019-07-30
Value128174250
Percentage of CurrentReinsuranceCoverage100.0100.0100.0

nmih:A20202ILN


Current
Period End2021-06-302021-03-312019-07-30
Value205218242
Percentage of CurrentReinsuranceCoverage159.9125.596.7

nmih:A20211ILN


Current
Period End2021-06-30
Value367238
Percentage of CurrentReinsuranceCoverage285233.4

nmih:CurrentReinsuranceCoverage us-gaap:TitleOfIndividual

nmih:A2017ILN


Current
Period End2020-09-302020-06-302017-05-02
Value404075
Percentage of CurrentReinsuranceCoverage0.00.00.0

nmih:A2018ILN


Current
Period End2020-09-302020-06-302018-07-25
Value158158231
Percentage of CurrentReinsuranceCoverage0.00.00.0

nmih:A2019ILN


Current
Period End2020-09-302020-06-302019-07-30
Value231231326
Percentage of CurrentReinsuranceCoverage0.00.0130.4

nmih:A20201ILN


Current
Period End2020-09-30
Value322
Percentage of CurrentReinsuranceCoverage0.0

nmih:DebtSecuritiesCorporateComponentOfTotal.Percentage

nmih:DebtSecuritiesCorporateComponentOfTotal.Percentage


Debt
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value100.01.01.01.01.01.01.01.01.0
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:DebtSecuritiesCorporateComponentOfTotal.Percentage nmih:DebtSecuritiesByIndustry

nmih:CommunicationsIndustryGroup


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value12.011.010.011.00.10.110.10.10.10.110.120.12
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage0.00.010.00.010.011.010.010.010.011.012.012.0

nmih:ConsumerIndustryGroup


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value22.024.023.024.00.230.230.260.270.270.260.270.21
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage0.00.023.00.023.023.026.027.027.026.027.021.0

nmih:FinancialIndustryGroup


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value38.036.037.036.00.370.40.380.380.380.380.380.43
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage0.00.037.00.037.040.038.038.038.038.038.043.0

nmih:IndustrialIndustryGroup


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value8.08.09.08.00.070.090.080.080.080.070.070.05
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage0.00.09.00.07.09.08.08.08.07.07.05.0

nmih:TechnologyIndustryGroup


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value10.010.010.010.00.10.070.070.050.060.050.060.1
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage0.00.010.00.010.07.07.05.06.05.06.010.0

nmih:UtilitiesIndustryGroup


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value10.011.011.011.00.130.10.090.10.090.10.070.01
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage0.00.011.00.013.010.09.010.09.010.07.01.0

nmih:DebtSecuritiesCorporateComponentOfTotal.Percentage us-gaap:EquitySecuritiesByIndustry

nmih:CommunicationsIndustryGroup


Debt
Period End2020-12-312019-12-312018-12-31
Value10.00.10.12
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage10.010.012.0

nmih:ConsumerIndustryGroup


Debt
Period End2020-12-312019-12-312018-12-31
Value23.00.260.27
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage23.026.027.0

nmih:FinancialIndustryGroup


Debt
Period End2020-12-312019-12-312018-12-31
Value37.00.380.38
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage37.038.038.0

nmih:IndustrialIndustryGroup


Debt
Period End2020-12-312019-12-312018-12-31
Value11.00.090.07
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage11.09.07.0

nmih:TechnologyIndustryGroup


Debt
Period End2020-12-312019-12-312018-12-31
Value10.00.070.06
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage10.07.06.0

nmih:UtilitiesIndustryGroup


Debt
Period End2020-12-312019-12-312018-12-31
Value9.00.080.07
Percentage of DebtSecuritiesCorporateComponentOfTotal.Percentage9.08.07.0

nmih:InitialFirstLayerRetainedLoss us-gaap:ReinsurancePolicyType

nmih:InitialFirstLayerRetainedLoss

nmih:A20211ILN


Initial
Period End2021-04-27
Value163
Percentage of InitialFirstLayerRetainedLoss100.0

nmih:InitialReinsuranceCoverage us-gaap:ReinsurancePolicyType

nmih:InitialReinsuranceCoverage

nmih:A20211ILN


Initial
Period End2021-04-27
Value367
Percentage of InitialReinsuranceCoverage100.0

nmih:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsNumberOfPrimaryLoansInDefault

nmih:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsNumberOfPrimaryLoansInDefault


Liability
Period End2020-12-312020-06-302019-12-312019-06-30
Value12209.010816.01448.01028.0
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsNumberOfPrimaryLoansInDefault100.0100.0100.0100.0

nmih:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsNumberOfPrimaryLoansInDefaultPercentOfTotalPoliciesInForce

nmih:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsNumberOfPrimaryLoansInDefaultPercentOfTotalPoliciesInForce


Liability
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value3.063.60.0290.40.350.0032
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsNumberOfPrimaryLoansInDefaultPercentOfTotalPoliciesInForce100.0100.0100.0100.0100.0100.0

nmih:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsTotalPoliciesInForce

nmih:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsTotalPoliciesInForce


Liability
Period End2020-12-312020-06-302019-12-312019-06-30
Value399430.0372930.0366040.0324880.0
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsTotalPoliciesInForce100.0100.0100.0100.0

nmih:LiabilityforPriorYearClaimsandClaimsAdjustmentExpense

nmih:LiabilityforPriorYearClaimsandClaimsAdjustmentExpense


Liabilityfor
Period End2021-06-302021-03-312020-12-312020-09-30
Value81838.311
Percentage of LiabilityforPriorYearClaimsandClaimsAdjustmentExpense100.0100.0100.0100.0

nmih:LoansInPoolPastDue60DaysOrMoreLoanRiskinForce us-gaap:CounterpartyName

nmih:LoansInPoolPastDue60DaysOrMoreLoanRiskinForce

nmih:FannieMae


Loans
Period End2021-06-302021-03-312020-12-312020-09-30
Value13161723
Percentage of LoansInPoolPastDue60DaysOrMoreLoanRiskinForce100.0100.0100.0100.0

nmih:MortgageInsuranceRiskinForce dei:LegalEntity

nmih:MortgageInsuranceRiskinForce

nmih:NMIC


Mortgage
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value194001540010000730058003300162811008004662701751011.2
Percentage of MortgageInsuranceRiskinForce100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:OrdinaryDividendsRestrictionwithRegardstoCapitalSurplus

nmih:OrdinaryDividendsRestrictionwithRegardstoCapitalSurplus


Ordinary
Period End2020-12-312019-12-31
Value10.00.1
Percentage of OrdinaryDividendsRestrictionwithRegardstoCapitalSurplus100.0100.0

nmih:OrdinaryDividendsRestrictionwithRegardstoCapitalSurplusNextFiscalYear

nmih:OrdinaryDividendsRestrictionwithRegardstoCapitalSurplusNextFiscalYear


Ordinary
Period End2020-12-312019-12-31
Value-1.616
Percentage of OrdinaryDividendsRestrictionwithRegardstoCapitalSurplusNextFiscalYear100.0100.0

nmih:ReinsuranceCoveragePercentageOfPopulationWithProductionPriorToPeriodStartDate us-gaap:ReinsurancePolicyType

nmih:ReinsuranceCoveragePercentageOfPopulationWithProductionPriorToPeriodStartDate

nmih:A20202ILN


Reinsurance
Period End2021-06-30
Value1.0
Percentage of ReinsuranceCoveragePercentageOfPopulationWithProductionPriorToPeriodStartDate100.0

nmih:A20211ILN


Reinsurance
Period End2021-06-30
Value1.0
Percentage of ReinsuranceCoveragePercentageOfPopulationWithProductionPriorToPeriodStartDate100.0

nmih:RiskInForceCeded us-gaap:CededCreditRisk

nmih:RiskInForceCeded

nmih:ThirdPartyReinsurers


Risk
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value711363305543515945634843513749014558453442923960360633042983268224032167200817780.0
Percentage of RiskInForceCeded100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

nmih:RiskToCapitalRatioRegulatoryActual dei:LegalEntity

nmih:RiskToCapitalRatioRegulatoryActual

nmih:NMIC


Risk
Period End2020-12-312019-12-312018-12-312017-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value12.016.313.714.07.75.03.51.91.50.90.60.5
Percentage of RiskToCapitalRatioRegulatoryActual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:NMicandReoneCombined


Risk
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value11.813.211.712.513.017.215.814.314.013.113.313.714.413.211.59.812.411.611.713.610.88.711.87.95.23.62.11.71.10.7
Percentage of RiskToCapitalRatioRegulatoryActual0.00.097.50.00.00.096.90.00.095.60.00.00.094.30.00.00.00.00.00.00.00.00.0102.6104.0102.9110.5113.3122.2116.7

nmih:StatutoryAccountingPracticesContingencyReserve dei:LegalEntity

nmih:StatutoryAccountingPracticesContingencyReserve

nmih:NMicandReoneCombined


Statutory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value89983276870764858853147642337533229225321818615713110990725542322317129.4016.2624.3123.2652.3140.0
Percentage of StatutoryAccountingPracticesContingencyReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

nmih:StatutoryAccountingPracticesStatutoryCapitalAndSurplusIncludingContingencyReserve dei:LegalEntity

nmih:StatutoryAccountingPracticesStatutoryCapitalAndSurplusIncludingContingencyReserve

nmih:NMicandReoneCombined


Statutory
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312018-12-31
Value18051731166215911662981763
Percentage of StatutoryAccountingPracticesStatutoryCapitalAndSurplusIncludingContingencyReserve100.0100.0100.0100.0100.0100.0100.0

nmih:TaxAndLossBond

nmih:TaxAndLossBond


Tax
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value4646467.67.6
Percentage of TaxAndLossBond100.0100.0100.0100.0100.0

nmih:WarrantLiability us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

nmih:WarrantLiability

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Warrant
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.3854.2394.4093.1352.6981.4617.6416.3649.679117.296106.3916.5637.4724.0463.5443.5633.3671.6540.8560.7971.4671.8992.232.1243.3723.3124.5525.5046.3715.4524284.841765
Percentage of WarrantLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nmih:WarrantLiability us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Warrant
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.3854.2394.4093.1352.6981.4617.6416.3649.679117.296106.3916.5637.4724.0463.5443.5633.3671.6540.8560.7971.4671.8992.232.1243.3723.3124.5525.5046.3715.4524284.841765
Percentage of WarrantLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value5657615910420393924163127212123222114253215192214126.84510138.4947.373109.2758438.707573
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Accounts
Period End2020-12-312019-12-312018-12-312017-12-31
Value30242720
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent49.962.387.586.2

us-gaap:AccruedInvestmentIncomeReceivable

us-gaap:AccruedInvestmentIncomeReceivable


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value11109.8629.7667.9097.1926.8316.8856.3016.5535.6945.8814.7894.7654.2124.5983.8673.93.4213.6153.0683.1442.8731.6791.9281.7321.7071.2931.9891.7912.0011.8340790.0
Percentage of AccruedInvestmentIncomeReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AccruedInvestmentIncomeReceivable us-gaap:ConsolidatedEntities

srt:ParentCompany


Accrued
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.2630.2190.2160.203
Percentage of AccruedInvestmentIncomeReceivable2.73.23.84.8

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1081461582285491661341441361121301061161651011111251211601641371471431741221231421768492105140531
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value19531800177216551305101310479749168678057867386606336015675495165215174824732733113102972693633613593050.0
Percentage of AssetsFairValueDisclosure1802.51225.61115.3725.8237.6609.1780.2676.7669.6768.6615.3739.7633.3399.9623.5538.8451.3451.1322.3317.6377.3328.0331.0156.8254.2251.3209.1153.1429.6390.6341.1216.40.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value206219471931188418551179118211191053979936892854825735713693671676686654629616447434434439446447453465446531
Percentage of AssetsFairValueDisclosure1902.51325.61215.3825.8337.6709.1880.2776.7769.6868.6715.3839.7733.3499.9723.5638.8551.3551.1422.3417.6477.3428.0431.0256.8354.2351.3309.1253.1529.6490.6441.1316.4100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4941736554262830249.5341.9870.511.1425.739
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.9061.9222.7362.4861.0710.4042.6033.7653.2161.2410.7920.1130.3450.916
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax3.94.63.73.82.01.59.112.413.413.039.922.230.216.0

us-gaap:Bonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4941736554262830239.4691.880.4561.095.681
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.099.999.799.499.699.394.689.495.499.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3631554942182323187.4710.8470.3230.5094.231
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax73.474.674.475.679.270.181.877.477.178.442.663.344.673.7

us-gaap:ShortTermInvestments


Available
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0010.00.0180.0980.1790.1040.0650.1070.0540.0520.058
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.00.00.10.30.60.40.75.410.64.61.0

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value9.617.14814117.7433.8531.7211.791.4970.6710.2060.020.2260.534
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax19.617.119.017.014.314.86.05.96.27.010.43.919.89.3

us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.5331.572.1862.3932.4843.5190.7841.0950.6880.0860.0350.00.010.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax3.13.83.03.64.613.52.73.62.90.91.80.00.90.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8.968250.5120.7561.294151.4180.7241.014.0231515143.723
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0520.1490.0270.0290.317.8110.1140.0310.0360.1251.4571.2360.6640.125
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.60.65.33.824.051.68.04.33.63.19.47.84.53.4

us-gaap:Bonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8.967250.5120.7561.294151.4180.7241.014.0231515143.723
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7.315180.4830.7030.9846.6580.2110.520.7852.8711110101.958
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax81.673.994.393.076.044.014.971.877.771.475.564.471.852.6

us-gaap:ShortTermInvestments


Available
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0010.00.00.00.00.00.00.00.00.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.66.5080.0020.0240.00.6681.0350.1330.0730.3310.9631.9331.4820.659
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax17.825.50.43.20.04.473.018.47.28.26.212.29.917.7

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value195418151730162412861059111310439949349248898527337136876696586306285935515643163713653373104134144164190.0
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value11313012813092180170179168156171169148100
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis5.87.27.48.07.217.015.317.216.916.718.619.017.414.0

us-gaap:Bonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1944181417301624128610541069994942909866847798691
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis99.5100.0100.0100.0100.099.596.095.394.797.393.795.393.796.8

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1295118411651144987628661663634613554536508435
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis66.365.267.370.476.859.459.463.563.865.659.960.359.661.0

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value9.360.370.3690.3560.3564.8384448522558425322
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.50.00.00.00.00.54.04.75.32.76.34.76.33.1

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value506470407318175196189103919192939389
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis25.925.923.519.613.618.617.010.09.29.89.910.611.012.6

us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2929293131484848484848484865
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis1.51.61.71.92.44.64.34.64.85.25.25.45.79.2

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost


Available
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value10163733803133003143183183142873053092972662422382381951937296795428575965
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue


Available
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value10563833943293123173103083052803063122992662402482482001907094815328575763
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost


Available
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value507408406424412399352335313252195158134147173158156178187149172180195206265264260
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue


Available
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value536415417434420400347330309249195159135148173161159179186150172181194205264261257
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost


Available
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2113172313175.93.83.89.143141410156.549101116191812162514151515
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue


Available
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2213172313175.7273.7673.7298.959141510156.4139.8441115191812162514151514
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value7160577972138
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value7260578073139
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value605021221717
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value604922231817
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value112710311016912716380
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value114010241056947744394
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value581541507479387406
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value605564536504410417
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost


Available
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value578313810299477663725997108124120941006747621726196.114.1142.6742.6740.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue


Available
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value578313910299467663725997108124120941006747621726196.1254.1342.6752.6750.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1131301281309218017017916815617116914812510096103107114120101
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1151321311339317317218317115717116714712410097104107114122100
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1994183118041689133910701140107310179409118748387237156926736586286416075565593143703673363084134104094110.0
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:ConsolidatedEntities

srt:ParentCompany


Available
Period End2020-12-312019-12-312018-12-312017-12-31
Value52415150
Percentage of AvailableForSaleSecuritiesDebtSecurities2.93.65.77.1

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value30303133335148494847464559
Percentage of AvailableForSaleSecuritiesDebtSecurities1.61.71.82.02.54.84.34.64.85.15.15.28.4

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value11513213113393173172183171157171167100
Percentage of AvailableForSaleSecuritiesDebtSecurities5.87.27.37.96.916.215.117.116.816.718.819.214.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value13241196121911931029640684685651617543526437
Percentage of AvailableForSaleSecuritiesDebtSecurities66.465.367.670.676.959.960.063.964.165.759.660.261.2

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5144714213291821991901059392919289
Percentage of AvailableForSaleSecuritiesDebtSecurities25.825.723.419.513.618.716.79.89.19.810.010.512.6

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value11513213113393173172183171157171167100
Percentage of AvailableForSaleSecuritiesDebtSecurities5.87.27.37.96.916.215.117.116.816.718.819.214.1

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value13241196121911931029640684685651617543526437
Percentage of AvailableForSaleSecuritiesDebtSecurities66.465.367.670.676.959.960.063.964.165.759.660.261.2

us-gaap:FairValueMeasurementsRecurring, us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5144714213291821991901059392919289
Percentage of AvailableForSaleSecuritiesDebtSecurities25.825.723.419.513.618.716.79.89.19.810.010.512.6

us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value30303133335148494847464564
Percentage of AvailableForSaleSecuritiesDebtSecurities1.61.71.82.02.54.84.34.64.85.15.15.29.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value11513213113393173172183171157171167147100
Percentage of AvailableForSaleSecuritiesDebtSecurities5.87.27.37.96.916.215.117.116.816.718.819.217.614.1

us-gaap:Bonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value19841831180316891339106510961024965914852832784693
Percentage of AvailableForSaleSecuritiesDebtSecurities99.5100.0100.0100.0100.099.596.195.494.997.393.595.293.696.8

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value13241196121911931029640684685651617543526498437
Percentage of AvailableForSaleSecuritiesDebtSecurities66.465.367.670.676.959.960.063.964.165.759.660.259.461.2

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value9.360.370.3690.3560.3564.8564448522558425322
Percentage of AvailableForSaleSecuritiesDebtSecurities0.50.00.00.00.00.53.94.65.12.76.54.86.43.1

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value514471421329182199190105939291929289
Percentage of AvailableForSaleSecuritiesDebtSecurities25.825.723.419.513.618.716.79.89.19.810.010.511.012.6

us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3030313333514849484746454664
Percentage of AvailableForSaleSecuritiesDebtSecurities1.61.71.82.02.54.84.34.64.85.15.15.25.59.0

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

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value7711512719451511485948865846070109415165661091189110977132646610313734425534526
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value7711512719451511485948865846070109415165661091189110977132646610313734425534526
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsAndShortTermInvestments us-gaap:FinancialInstrument

us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:USTreasuryAndGovernment


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5600000.05700000.05700000.05700000.05700000.05700000.05500000.05500000.05500000.05400000.05300000.05300000.05200000.07000000.0
Percentage of CashCashEquivalentsAndShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ClassOfWarrantOrRightOutstanding

us-gaap:ClassOfWarrantOrRightOutstanding


Class
Period End2021-06-302021-03-31
Value271000.0285000.0
Percentage of ClassOfWarrantOrRightOutstanding100.0100.0

us-gaap:CommonStockValueOutstanding

us-gaap:CommonStockValueOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value857000.0856000.0852000.0848000.0848000.0689000.0684000.0679000.0677000.0675000.0663000.0663000.0658000.0656000.0605000.0599000.0598000.0591000.0
Percentage of CommonStockValueOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockValueOutstanding us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-31
Value852000.0684000.0663000.0
Percentage of CommonStockValueOutstanding100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount dei:LegalEntity, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentFaceAmount

nmih:OaktownReIVLtd, nmih:MortgageInsuranceLinkedNotes, us-gaap:SubsequentEvent


Debt
Period End2021-04-272020-10-292020-07-30
Value367242322
Percentage of DebtInstrumentFaceAmount100.0100.0100.0

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet

us-gaap:RevolvingCreditFacility, nmih:SecuredRevolvingCreditFacility2020


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value800000.0900000.01100000.01100000.0
Percentage of DebtIssuanceCostsLineOfCreditArrangementsNet100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.5282.7573.4666.228273881257356158114
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.4952.7242.9132.9342.9883.5831.95328331012
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger98.798.884.047.110.79.32.411.19.56.710.9

us-gaap:CorporateDebtSecurities


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0330.0330.5533.2942330511582217648
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger1.31.216.052.985.779.662.461.562.248.342.9

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0080.0280.10.10.10.40.83.554107.8252.173
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0080.0270.0830.0660.0120.0110.0030.0790.3210.260.062
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.096.483.066.012.02.80.42.23.13.32.9

us-gaap:CorporateDebtSecurities


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0010.0020.0280.0710.3980.5862.4487.7364.0941.129
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss3.62.028.071.099.573.268.974.552.352.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value64485948124227359154793564269513224
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5.1367.9885.1917.3113213319138.786183611127
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months0.80.910.65.914.437.312.416.924.728.313.321.712.4

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4645914010119417830262443226343128
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months72.068.882.181.585.649.719.733.669.667.183.966.957.1

us-gaap:ShortTermInvestments


Debt
Period End2021-06-302019-09-302019-03-31
Value5.9949.9990.994
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months0.912.51.5

us-gaap:USStatesAndPoliticalSubdivisions


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1692593.548154692152.02.07.4095338
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months26.330.27.312.713.060.119.75.63.12.710.417.2

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value8.968250.5040.7281.209151.3340.2840.2320.4695.0998.0441.55
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0520.1490.0190.0020.2277.7450.1020.020.0330.0461.1360.9760.063
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.60.63.80.318.851.57.67.014.29.822.312.14.1

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value7.315180.4830.7020.9826.630.140.1220.1990.4233.9526.1230.829
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss81.673.995.896.481.244.110.543.085.890.277.576.153.5

us-gaap:ShortTermInvestments


Debt
Period End2021-06-302019-09-302019-03-31
Value0.0010.00.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.00.00.0

us-gaap:USStatesAndPoliticalSubdivisions


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.66.5080.0020.0240.6681.0340.1020.00.00.0110.8850.264
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss17.825.50.43.34.477.535.90.00.00.211.017.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value64485951126231365182118117321626671338
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5.1367.9887.6861035136221710467012140
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition0.80.915.07.915.437.412.214.49.214.511.218.111.9

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value46459140101195182545775201448420177
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition72.068.878.179.784.649.829.848.664.662.671.662.552.3

us-gaap:ShortTermInvestments


Debt
Period End2021-06-302019-09-302019-03-31
Value5.9949.9990.994
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition0.98.40.3

us-gaap:USStatesAndPoliticalSubdivisions


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1692593.548154693201735668456
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition26.330.26.912.412.851.416.914.510.910.612.516.7

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9.0250.50.81.3151.40.71.04.02315153.723
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0520.1490.0270.0290.317.8110.1140.0310.0360.1251.4571.2360.125
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss0.60.65.43.623.851.78.14.43.63.19.47.83.4

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value7.315180.4830.7030.9846.6580.2110.520.7852.87111101.958
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss81.373.996.687.975.744.115.174.378.571.475.564.452.6

us-gaap:ShortTermInvestments


Debt
Period End2021-06-302019-09-302019-03-31
Value0.0010.00.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss0.00.00.0

us-gaap:USStatesAndPoliticalSubdivisions


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.66.5080.0020.0240.6681.0350.1330.0730.3310.9631.9330.659
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss17.825.50.43.04.473.919.07.38.26.212.217.7

us-gaap:DeferredFinanceCostsGross us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsGross

us-gaap:SecuredDebt


Deferred
Period End2021-06-302021-03-312020-12-312020-06-19
Value6100000.06400000.06700000.07400000.0
Percentage of DeferredFinanceCostsGross100.0100.0100.0100.0

us-gaap:SeniorNotes


Deferred
Period End2020-12-312020-09-302020-06-302020-06-192019-12-31
Value6700000.07000000.07200000.07400000.02000000.0
Percentage of DeferredFinanceCostsGross100.00.00.0100.00.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302012-12-31
Value12775241317124.7132.3040.9639981.8326
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredPolicyAcquisitionCosts

us-gaap:DeferredPolicyAcquisitionCosts


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value6262626363625956524846444240373634323028252017128.2185.2832.9851.6511.0510.97660.090.0042260.0
Percentage of DeferredPolicyAcquisitionCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302012-12-31
Value2226294078785837279.895141
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302012-12-31
Value7.9389.2446.89625475243245.0407012.484497
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1592000.0772000.0364000.02061000.05893000.05438000.03602000.03760000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value5.0675.9596.7916.122119.768.2125.99
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther


Deferred
Period End2020-12-312019-12-312018-12-31
Value3198000.04539000.05495000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value4844000.05213000.05568000.05306000.09514000.07504000.01810000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value5569000.05107000.04757000.04603000.05076000.04753000.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1312108.185127.2461.224
Percentage of DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value91478.1490.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals100.0100.0100.00.0

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesInvestments


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value157.6340.0820.4340.0
Percentage of DeferredTaxLiabilitiesInvestments100.0100.0100.0100.00.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1804000.01946000.01056000.0362000.0213000.0137000.086000.076000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilities

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:Warrant


Derivative
Period End2020-12-312019-12-312018-12-31
Value4409000.07641000.07296000.0
Percentage of DerivativeLiabilities100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:Warrant


Derivative
Period End2020-12-312019-12-312018-12-31
Value4409000.07641000.07296000.0
Percentage of DerivativeLiabilities100.0100.0100.0

us-gaap:DueFromAffiliates us-gaap:ConsolidatedEntities

us-gaap:DueFromAffiliates

srt:ParentCompany


Due
Period End2020-12-312019-12-312018-12-312017-12-31
Value76624122
Percentage of DueFromAffiliates100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value8800000.07200000.07800000.07000000.04200000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions


Employee
Period End2020-12-31
Value200000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FairValueInputsLevel3, us-gaap:Warrant


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value3.3854.2394.4093.1352.6981.4617.6416.3649.679117.2967.4723.367
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FundsHeldUnderReinsuranceAgreementsLiability

us-gaap:FundsHeldUnderReinsuranceAgreementsLiability


Funds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value6.9047.5698.65310121214161825272831333433323130280.0
Percentage of FundsHeldUnderReinsuranceAgreementsLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:InterestAndDividendsPayableCurrentAndNoncurrent us-gaap:DebtInstrument

us-gaap:InterestAndDividendsPayableCurrentAndNoncurrent

nmih:SeniorSecuredTermLoan2018


Interest
Period End2020-12-31
Value2500000.0
Percentage of InterestAndDividendsPayableCurrentAndNoncurrent100.0

us-gaap:InterestPayableCurrentAndNoncurrent us-gaap:DebtInstrument

us-gaap:InterestPayableCurrentAndNoncurrent

nmih:SeniorSecuredTermLoan2018


Interest
Period End2021-06-302021-03-312020-12-31
Value2500000.09800000.02500000.0
Percentage of InterestPayableCurrentAndNoncurrent100.0100.0100.0

us-gaap:InterestReceivable

us-gaap:InterestReceivable


Interest
Period End2020-12-312020-09-30
Value9900000.09800000.0
Percentage of InterestReceivable100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value2609000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.3854.2394.4093.1352.6981.4617.6416.3649.679117.296106.3916.5637.4724.0463.5443.5633.3671.6540.8560.7971.4671.8992.232.1243.3723.3124.5525.5046.3715.4524284.841765
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.3854.2394.4093.1352.6981.4617.6416.3649.679117.296106.3916.5637.4724.0463.5443.5633.3671.6540.8560.7971.4671.8992.232.1243.3723.3124.5525.5046.3715.4524284.841765
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value101969087692923201815121010108.7616.1235.0483.7613.0012.1331.4751.1370.6790.3580.1810.1870.0830.0020.0280.00.00.00.0
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense us-gaap:ProductOrService

us-gaap:FinancialGuaranteeInsuranceSegment


Liability
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-31
Value9023128.7613.7613.001
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense us-gaap:ReinsurancePolicyType

nmih:TwoThousandSixteenQSRTransaction


Liability
Period End2020-12-312019-12-31
Value1.31.0
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense1.44.2

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value817772705523181614119.818.3918.2198.0576.8594.9494.1493.1972.7042.0431.4751.1370.6790.3580.0830.0
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:RevolvingCreditFacility, nmih:SecuredRevolvingCreditFacility2020


Line
Period End2020-12-312020-06-302020-03-20
Value110100100
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType

us-gaap:LongTermDebtFairValue

us-gaap:FairValueInputsLevel2, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-31
Value459461447
Percentage of LongTermDebtFairValue100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:SeniorNotes


Long
Period End2020-12-312020-09-302020-06-302019-12-31
Value447427418147
Percentage of LongTermDebtFairValue100.00.00.00.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-31
Value6.21
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value111126938963473630
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:DomesticCountry, us-gaap:InternalRevenueServiceIRS


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.12.32.693121
Percentage of OperatingLossCarryforwards1.91.82.8104.7190.4

us-gaap:OtherLiabilities

us-gaap:OtherLiabilities


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-03-312013-12-312013-09-302012-12-31
Value5.2766.2947.0267.7738.5179.257101011123.7910.1330.1330.13260.1326
Percentage of OtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-31
Value5.2547.3960.0
Percentage of OtherLiabilities74.873.80.0

us-gaap:PremiumsReceivableAtCarryingValue

us-gaap:PremiumsReceivableAtCarryingValue


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value55524948464646454238363431282521171513118.8686.5785.1433.9862.7581.6631.0480.4020.1430.1290.0190.0
Percentage of PremiumsReceivableAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PrepaidExpenseCurrentAndNoncurrent

us-gaap:PrepaidExpenseCurrentAndNoncurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value4095000.04999000.03292000.04579000.03416000.04750000.03512000.04518000.03358000.04454000.03241000.03131000.02907000.03602000.02151000.02651000.02072000.02935000.01991000.02313000.01810000.02732000.01428000.01783000.01869000.02091000.02054000.01097000.01139000.01702000.01519000.01053100.0416860.0
Percentage of PrepaidExpenseCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrentAndNoncurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Prepaid
Period End2020-12-312019-12-312018-12-312017-12-31
Value2912000.03332000.03118000.02108000.0
Percentage of PrepaidExpenseCurrentAndNoncurrent88.594.996.298.0

us-gaap:PrepaidReinsurancePremiums

us-gaap:PrepaidReinsurancePremiums


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value3.8314.8426.198.014101315172027303335384039383837360.0
Percentage of PrepaidReinsurancePremiums100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ReinsuranceRecoverablesGross

us-gaap:ReinsuranceRecoverablesGross


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value19181717144.939
Percentage of ReinsuranceRecoverablesGross100.0100.0100.0100.0100.0100.0

us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses

us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value19181717146.1934.9394.3093.7753.6783.0012.5172.3822.3341.9021.1740.8990.5640.2970.090.00.00.00.00.00.0
Percentage of ReinsuranceRecoverablesOnPaidAndUnpaidLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0

us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses us-gaap:CededCreditRisk, us-gaap:ReinsurancePolicyType

nmih:ThirdPartyReinsurers, nmih:QSRTransactions


Reinsurance
Period End2020-09-302020-06-302020-03-31
Value17146.2
Percentage of ReinsuranceRecoverablesOnPaidAndUnpaidLosses100.1100.0100.1

nmih:ThirdPartyReinsurers, nmih:TwoThousandEighteenQSRTransaction


Reinsurance
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1312129.43.12.11.71.10.60.20.0640.008
Percentage of ReinsuranceRecoverablesOnPaidAndUnpaidLosses71.771.671.065.750.142.539.529.116.36.72.50.3

nmih:ThirdPartyReinsurers, nmih:TwoThousandSixteenQSRTransaction


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.74.54.54.84.93.12.82.62.73.12.82.52.42.3
Percentage of ReinsuranceRecoverablesOnPaidAndUnpaidLosses23.824.125.627.934.250.156.760.371.584.393.399.3100.898.5

nmih:ThirdPartyReinsurers, nmih:TwoThousandTwentyQSRTransaction


Reinsurance
Period End2021-03-312020-12-312020-09-30
Value0.80.50.2
Percentage of ReinsuranceRecoverablesOnPaidAndUnpaidLosses4.32.81.2

us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses us-gaap:ProductOrService

us-gaap:FinancialGuaranteeInsuranceSegment


Reinsurance
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-31
Value174.9393.0011.9020.5640.297
Percentage of ReinsuranceRecoverablesOnPaidAndUnpaidLosses100.0100.0100.0100.0100.0100.0

us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses us-gaap:ReinsurancePolicyType

nmih:A2021QSRTransaction


Reinsurance
Period End2021-06-30
Value15
Percentage of ReinsuranceRecoverablesOnPaidAndUnpaidLosses76.0

nmih:TwoThousandEighteenQSRTransaction


Reinsurance
Period End2021-06-30
Value15
Percentage of ReinsuranceRecoverablesOnPaidAndUnpaidLosses76.0

nmih:TwoThousandTwentyQSRTransaction


Reinsurance
Period End2021-06-30
Value15
Percentage of ReinsuranceRecoverablesOnPaidAndUnpaidLosses76.0

us-gaap:RestrictedCash

us-gaap:RestrictedCash


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4159000.04868000.05555000.05555000.02068000.02505000.02662000.02933000.01430000.01422000.01414000.01400000.00
Percentage of RestrictedCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:SecuredDebt

us-gaap:SecuredDebt


Secured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value393393393392392145
Percentage of SecuredDebt100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

nmih:RestrictedStockUnitsRSUsSubjecttoServiceAndPerformanceConditions


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value100000.0200000.0300000.0200000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0

nmih:RestrictedStockUnitsRSUsSubjecttoServiceConditions


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value1000000.01000000.01500000.01900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber1000.0500.0500.0950.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1062000.01202000.01753000.02065000.02538000.01443000.01209000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber1062.0601.0584.31032.50.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value21.6118.6712.068.156.017.818.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue


Share
Period End2020-12-31
Value12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber


Share
Period End2020-12-31
Value1300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice


Share
Period End2020-12-31
Value12.39
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value5.024.844.243.953.973.944.16
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-31
Value127.6094.1051.6050.1420.367
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet100.0100.0100.0100.0100.0100.0

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractAccidentYear2019


Shortduration
Period End2020-12-312019-12-31
Value2.3680.069
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet18.60.9

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractAccidentYear2020


Shortduration
Period End2020-12-31
Value0.586
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet4.6

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractsAccidentYear2017


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.4942.9251.6550.027
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet27.538.440.31.7

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractsAccidentYear2018


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.5371.9810.130.0
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet27.826.03.20.0

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortdurationInsuranceContractsAccidentYear2014


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312015-12-312014-12-31
Value0.0040.0040.0040.0040.00.00.0040.0
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet0.00.10.10.20.00.00.00.0

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortdurationInsuranceContractsAccidentYear2015


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312015-12-31
Value0.8940.8040.720.6840.1050.1960.05
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet7.010.617.542.673.953.40.0

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortdurationInsuranceContractsAccidentYear2016


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-31
Value1.8271.8261.5960.890.0370.171
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet14.424.038.955.526.146.6

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-31
Value95.0
Percentage of ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive100.0

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-31
Value95.0
Percentage of ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour100.0

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-31
Value3.0
Percentage of ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne100.0

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-31
Value100.0
Percentage of ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven100.0

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-31
Value100.0
Percentage of ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix100.0

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-31
Value88.0
Percentage of ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree100.0

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-31
Value37.0
Percentage of ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo100.0

us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-31
Value4994000.01287000.0658000.0470000.0218000.0184000.0
Percentage of ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet100.0100.0100.0100.0100.0100.0

us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractAccidentYear2019


Shortduration
Period End2020-12-312019-12-31
Value364000.01097000.0
Percentage of ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet7.385.2

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractAccidentYear2020


Shortduration
Period End2020-12-31
Value4514000.0
Percentage of ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet90.4

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractsAccidentYear2017


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-31
Value20000.030000.0100000.0452000.0
Percentage of ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet0.42.315.296.2

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractsAccidentYear2018


Shortduration
Period End2020-12-312019-12-312018-12-31
Value88000.0155000.0551000.0
Percentage of ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet1.812.083.7

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortdurationInsuranceContractsAccidentYear2016


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-31
Value8000.04000.05000.016000.0113000.0170000.0
Percentage of ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet0.20.30.83.451.892.4

us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-31
Value8426138.3433.0452.824
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet100.0100.0100.0100.0100.0100.0

us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractAccidentYear2019


Shortduration
Period End2020-12-312019-12-31
Value7.22914
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet8.655.2

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractAccidentYear2020


Shortduration
Period End2020-12-31
Value65
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet78.0

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractsAccidentYear2017


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.8073.573.4756.028
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet4.513.725.272.3

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortDurationInsuranceContractsAccidentYear2018


Shortduration
Period End2020-12-312019-12-312018-12-31
Value4.7095.2717.779
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet5.620.256.3

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortdurationInsuranceContractsAccidentYear2014


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312015-12-312014-12-31
Value0.0040.0040.0040.0040.00.00.0340.056
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet0.00.00.00.00.00.00.00.0

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortdurationInsuranceContractsAccidentYear2015


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312015-12-31
Value0.8940.8940.7640.7430.4080.6140.652
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet1.13.45.58.913.421.70.0

us-gaap:FinancialGuaranteeInsuranceSegment, us-gaap:ShortdurationInsuranceContractsAccidentYear2016


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-31
Value1.9361.9341.791.5681.9212.21
Percentage of ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet2.37.413.018.863.178.3

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-31
Value71
Percentage of ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet100.0

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense us-gaap:ProductOrService

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense

us-gaap:FinancialGuaranteeInsuranceSegment


Shortduration
Period End2020-12-31
Value1321000.0
Percentage of ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense100.0

us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments dei:LegalEntity

us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments

nmih:NMicandReoneCombined


Statutory
Period End2020-12-31
Value1.6
Percentage of StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments100.0

us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments dei:LegalEntity, us-gaap:StatementScenario

nmih:NMicandReoneCombined, srt:ScenarioForecast


Statutory
Period End2020-12-31
Value16
Percentage of StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments1006.3

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance dei:LegalEntity

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance

nmih:NMicandReoneCombined


Statutory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value906899894883892457449447438431430440439368371379390404413367370381391201210224236243185196189220
Percentage of StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount


Summary
Period End2020-12-312019-12-312018-12-312017-12-312014-12-312013-12-31
Value18041140911715336229
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount100.0100.0100.0100.0100.0100.0

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Summary
Period End2020-12-312019-12-312018-12-31
Value131172171
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount7.315.118.8

us-gaap:Bonds


Summary
Period End2020-12-312019-12-312018-12-31
Value18031096852
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount100.096.193.5

us-gaap:CorporateDebtSecurities


Summary
Period End2020-12-312019-12-312018-12-31
Value1219684543
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount67.660.059.6

us-gaap:ShortTermInvestments


Summary
Period End2020-12-312019-12-312018-12-31
Value0.3694458
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount0.03.96.5

us-gaap:USStatesAndPoliticalSubdivisions


Summary
Period End2020-12-312019-12-312018-12-31
Value42119091
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount23.416.710.0

us-gaap:USTreasuryAndGovernment


Summary
Period End2020-12-312019-12-312018-12-31
Value314846
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount1.84.35.1

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost


Summary
Period End2020-12-312019-12-312018-12-312017-12-312013-12-31
Value17301113924713233
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost100.0100.0100.0100.0100.0

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Summary
Period End2020-12-312019-12-312018-12-31
Value128170171
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost7.415.318.6

us-gaap:Bonds


Summary
Period End2020-12-312019-12-312018-12-31
Value17301069866
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost100.096.093.7

us-gaap:CorporateDebtSecurities


Summary
Period End2020-12-312019-12-312018-12-31
Value1165661554
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost67.359.459.9

us-gaap:ShortTermInvestments


Summary
Period End2020-12-312019-12-312018-12-31
Value0.3694458
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost0.04.06.3

us-gaap:USStatesAndPoliticalSubdivisions


Summary
Period End2020-12-312019-12-312018-12-31
Value40718992
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost23.517.09.9

us-gaap:USTreasuryAndGovernment


Summary
Period End2020-12-312019-12-312018-12-31
Value294848
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost1.74.35.2

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue


Summary
Period End2020-12-312019-12-312018-12-312017-12-312013-12-31
Value18041140911715229
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue100.0100.0100.0100.0100.0

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Summary
Period End2020-12-312019-12-312018-12-31
Value131172171
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue7.315.118.8

us-gaap:Bonds


Summary
Period End2020-12-312019-12-312018-12-31
Value18031096852
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue100.096.193.5

us-gaap:CorporateDebtSecurities


Summary
Period End2020-12-312019-12-312018-12-31
Value1219684543
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue67.660.059.6

us-gaap:ShortTermInvestments


Summary
Period End2020-12-312019-12-312018-12-31
Value0.3694458
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue0.03.96.5

us-gaap:USStatesAndPoliticalSubdivisions


Summary
Period End2020-12-312019-12-312018-12-31
Value42119091
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue23.416.710.0

us-gaap:USTreasuryAndGovernment


Summary
Period End2020-12-312019-12-312018-12-31
Value314846
Percentage of SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue1.84.35.1

us-gaap:UnearnedPremiums

us-gaap:UnearnedPremiums


Unearned
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value1421271181161151261361451511541581621651651631611571541521451311099062392822137.6794.7211.4460.0
Percentage of UnearnedPremiums100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:WarrantsAndRightsOutstanding

us-gaap:WarrantsAndRightsOutstanding


Warrants
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312012-04-302012-04-24
Value3.3854.2394.4093.1352.6981.4617.6416.3649.679117.296107.4725.11.6
Percentage of WarrantsAndRightsOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WarrantsAndRightsOutstanding us-gaap:ConsolidatedEntities

srt:ParentCompany


Warrants
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.4097.6417.2967.472
Percentage of WarrantsAndRightsOutstanding100.0100.0100.0100.0

us-gaap:WarrantsAndRightsOutstandingMeasurementInput us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:WarrantsAndRightsOutstandingMeasurementInput

us-gaap:FairValueInputsLevel3, us-gaap:MeasurementInputOptionVolatility, us-gaap:ValuationTechniqueOptionPricingModel


Warrants
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value39.089.483.775.30.7160.6140.4140.3350.3270.3010.3060.3060.327
Percentage of WarrantsAndRightsOutstandingMeasurementInput100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:MeasurementInputRiskFreeInterestRate, us-gaap:ValuationTechniqueOptionPricingModel


Warrants
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value0.060.080.110.130.00160.00230.01590.01760.0290.0260.02370.01990.01660.0178
Percentage of WarrantsAndRightsOutstandingMeasurementInput0.20.10.10.20.20.43.85.30.08.07.96.55.45.4

us-gaap:FairValueInputsLevel3, us-gaap:MeasurementInputSharePrice, us-gaap:ValuationTechniqueOptionPricingModel


Warrants
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value22.4823.6422.6517.816.0811.6133.1826.2628.3925.8717.8522.6516.316.5517.012.410.65
Percentage of WarrantsAndRightsOutstandingMeasurementInput57.626.427.123.62245.81890.98014.57838.80.00.00.00.04984.75498.35555.64052.33256.9

Line plots across dimensions of each concept


us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:LongTermDebt
us-gaap:LongtermDebtType
(None,)
Long Term Debtus-gaap: Longterm Debt Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components