XML 19 R46.htm IDEA: XBRL DOCUMENT v2.4.1.9
Investments - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Investment
industry
Dec. 31, 2013
Sep. 30, 2014
Schedule of Available-for-sale Securities [Line Items]      
Document Period End Date Dec. 31, 2014    
Asset-backed loans $ 791.9hrg_AssetBackedLoansAndOtherInvestedAssets   $ 811.6hrg_AssetBackedLoansAndOtherInvestedAssets
Significant investment, number of industries 1hrg_SignificantInvestmentNumberOfIndustries    
Industry holdings, number of top investments 10hrg_IndustryHoldingsNumberOfTopInvestments    
Equity Securities Holdings Exposure Amount of Single Issuer Greater than Stated Percentage of Total Investments 39.30%hrg_EquitySecuritiesHoldingsExposureAmountofSingleIssuerGreaterthanStatedPercentageofTotalInvestments    
Total investments, Carrying Value 19,740.3hrg_AvailableForSaleSecuritiesCarryingValue   19,252.5hrg_AvailableForSaleSecuritiesCarryingValue
Loans Receivable, Gross, Commercial, Mortgage 206.8us-gaap_LoansReceivableCommercialMortgage   136.2us-gaap_LoansReceivableCommercialMortgage
Commercial Mortgage Receivable, Percentage of Total 100.00%hrg_CommercialMortgageReceivablePercentageofTotal   100.00%hrg_CommercialMortgageReceivablePercentageofTotal
Financing Receivable, Recorded Investment, 1 to 29 Days Past Due 206.8us-gaap_FinancingReceivableRecordedInvestment1To29DaysPastDue   136.2us-gaap_FinancingReceivableRecordedInvestment1To29DaysPastDue
Non Agency Residential Mortgage Backed Securities [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Unrealized gains included in AOCI related to the non-credit portion of other than-temporary impairments on non-agency residential-mortgage-backed securities 0.9hrg_UnrealizedGainRelatedToNonCreditPortionOfOtherThanTemporaryImpairmentsIncludedInAccumulatedOtherComprehensiveIncome
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= hrg_NonAgencyResidentialMortgageBackedSecuritiesMember
   
Unrealized losses included in AOCI related to the non-credit portion of other than-temporary impairments on non-agency residential-mortgage-backed securities (1.9)hrg_UnrealizedLossesRelatedToNonCreditPortionOfOtherThanTemporaryImpairmentsIncludedInAccumulatedOtherComprehensiveIncome
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= hrg_NonAgencyResidentialMortgageBackedSecuritiesMember
   
Other Marketable Securities, Current 15,555.0us-gaap_OtherMarketableSecuritiesCurrent
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= hrg_NonAgencyResidentialMortgageBackedSecuritiesMember
  15,009.3us-gaap_OtherMarketableSecuritiesCurrent
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= hrg_NonAgencyResidentialMortgageBackedSecuritiesMember
FGLH [Member] | Stockholders' Equity, Total [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Fair value of investment 1,011.0us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_StockholdersEquityTotalMember
/ dei_LegalEntityAxis
= hrg_FidelityAndGuarantyLifeHoldingsMember
  768.5us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_StockholdersEquityTotalMember
/ dei_LegalEntityAxis
= hrg_FidelityAndGuarantyLifeHoldingsMember
Percentage of fair value of the invested assets portfolio 5.10%hrg_PercentageOfInvestmentsFairValueInRelationToInvestedAssetsPortfolio
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_StockholdersEquityTotalMember
/ dei_LegalEntityAxis
= hrg_FidelityAndGuarantyLifeHoldingsMember
  4.00%hrg_PercentageOfInvestmentsFairValueInRelationToInvestedAssetsPortfolio
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_StockholdersEquityTotalMember
/ dei_LegalEntityAxis
= hrg_FidelityAndGuarantyLifeHoldingsMember
Investment in issuers 6hrg_NumberOfInvestmentIssuers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_StockholdersEquityTotalMember
/ dei_LegalEntityAxis
= hrg_FidelityAndGuarantyLifeHoldingsMember
  4hrg_NumberOfInvestmentIssuers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_StockholdersEquityTotalMember
/ dei_LegalEntityAxis
= hrg_FidelityAndGuarantyLifeHoldingsMember
Percentage of stockholders equity 10.00%hrg_EquityInvestmentOwnershipPercentage
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_StockholdersEquityTotalMember
/ dei_LegalEntityAxis
= hrg_FidelityAndGuarantyLifeHoldingsMember
   
Investment Income [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Available-for-sale Securities, Gross Realized Losses (14.3)us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InvestmentIncomeMember
(12.0)us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InvestmentIncomeMember
 
Available for sale securities on fixed maturity 809.6hrg_AvailableForSaleSecuritiesOnFixedMaturityUnderCommitmentAgreement
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InvestmentIncomeMember
1,705.9hrg_AvailableForSaleSecuritiesOnFixedMaturityUnderCommitmentAgreement
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InvestmentIncomeMember
 
Available-for-sale Securities, Gross Realized Gains 10.5us-gaap_AvailableForSaleSecuritiesGrossRealizedGains
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InvestmentIncomeMember
21.8us-gaap_AvailableForSaleSecuritiesGrossRealizedGains
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InvestmentIncomeMember
 
Concentration [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Investment Securities Held by Subsidiaries Subject to Specialized Industry Accounting Principles at Fair Value 2,217.7hrg_InvestmentSecuritiesHeldbySubsidiariesSubjecttoSpecializedIndustryAccountingPrinciplesatFairValue
/ us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis
= us-gaap_FairValueConcentrationOfRiskAllFinancialInstrumentsMember
  2,240.3hrg_InvestmentSecuritiesHeldbySubsidiariesSubjecttoSpecializedIndustryAccountingPrinciplesatFairValue
/ us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis
= us-gaap_FairValueConcentrationOfRiskAllFinancialInstrumentsMember
Percentage of fair value of the invested assets portfolio 11.20%hrg_PercentageOfInvestmentsFairValueInRelationToInvestedAssetsPortfolio
/ us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis
= us-gaap_FairValueConcentrationOfRiskAllFinancialInstrumentsMember
  11.60%hrg_PercentageOfInvestmentsFairValueInRelationToInvestedAssetsPortfolio
/ us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis
= us-gaap_FairValueConcentrationOfRiskAllFinancialInstrumentsMember
Number Of Issuers In Investment 80hrg_NumberOfIssuersInInvestment
/ us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis
= us-gaap_FairValueConcentrationOfRiskAllFinancialInstrumentsMember
   
Concentration [Member] | FGLH [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Fair value of investment 250.0us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis
= us-gaap_FairValueConcentrationOfRiskAllFinancialInstrumentsMember
/ dei_LegalEntityAxis
= hrg_FidelityAndGuarantyLifeHoldingsMember
   
Percentage of fair value of the invested assets portfolio 1.30%hrg_PercentageOfInvestmentsFairValueInRelationToInvestedAssetsPortfolio
/ us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis
= us-gaap_FairValueConcentrationOfRiskAllFinancialInstrumentsMember
/ dei_LegalEntityAxis
= hrg_FidelityAndGuarantyLifeHoldingsMember
   
Asset based loan receivables [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Asset-backed loans 150.0hrg_AssetBackedLoansAndOtherInvestedAssets
/ us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis
= hrg_AssetbasedloanreceivablesMember
   
Insurance Segment [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Fair value on securities 40.0hrg_AvailableForSaleDepressedSecuritiesFairValueDisclosure
/ us-gaap_StatementBusinessSegmentsAxis
= hrg_InsuranceSegmentMember
  0.2hrg_AvailableForSaleDepressedSecuritiesFairValueDisclosure
/ us-gaap_StatementBusinessSegmentsAxis
= hrg_InsuranceSegmentMember
Percentage of amortized cost     20.00%hrg_PercentageOfAvailableForSaleDepressedSecuritiesAboveAmortizedCost
/ us-gaap_StatementBusinessSegmentsAxis
= hrg_InsuranceSegmentMember
Percentage of carrying values of all investments (less than 1%)     1.00%hrg_PercentageOfAvailableForSaleDepressedSecuritiesInRelationToCarryingValuesOfAllInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= hrg_InsuranceSegmentMember
FHLB of Atlanta Funding Agreement Collateral Held [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Investment Owned, at Fair Value 566.1us-gaap_SecuritiesReceivedAsCollateral
/ us-gaap_InvestmentTypeAxis
= hrg_FHLBofAtlantaFundingAgreementCollateralHeldMember
  573.2us-gaap_SecuritiesReceivedAsCollateral
/ us-gaap_InvestmentTypeAxis
= hrg_FHLBofAtlantaFundingAgreementCollateralHeldMember
Fixed Maturities Available For Sale [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Total investments, Carrying Value 17,677.8hrg_AvailableForSaleSecuritiesCarryingValue
/ us-gaap_InformationByCategoryOfDebtSecurityAxis
= hrg_FixedMaturitiesAvailableForSaleMember
  17,211.5hrg_AvailableForSaleSecuritiesCarryingValue
/ us-gaap_InformationByCategoryOfDebtSecurityAxis
= hrg_FixedMaturitiesAvailableForSaleMember
Fixed Maturities Available For Sale [Member] | Asset-backed Securities [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Total investments, Carrying Value 1,839.1hrg_AvailableForSaleSecuritiesCarryingValue
/ us-gaap_InformationByCategoryOfDebtSecurityAxis
= hrg_FixedMaturitiesAvailableForSaleMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
  1,792.9hrg_AvailableForSaleSecuritiesCarryingValue
/ us-gaap_InformationByCategoryOfDebtSecurityAxis
= hrg_FixedMaturitiesAvailableForSaleMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Commercial Mortgage Loan [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans and Leases Receivable, Ratio of Performing Loans to All Loans 100.00%hrg_LoansandLeasesReceivableRatioofPerformingLoanstoAllLoans
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= hrg_CommercialMortgageLoanMember
   
Loan to Value, Maximum Threshold 75.00%hrg_LoantoValueMaximumThreshold
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= hrg_CommercialMortgageLoanMember
   
Investments, Cost or Amortized, Percentage of Total 1.00%hrg_InvestmentsCostorAmortizedPercentageofTotal
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= hrg_CommercialMortgageLoanMember
  0.70%hrg_InvestmentsCostorAmortizedPercentageofTotal
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= hrg_CommercialMortgageLoanMember
Asset based loan receivables [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Investments, Cost or Amortized, Percentage of Total 31.60%hrg_InvestmentsCostorAmortizedPercentageofTotal
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= hrg_AssetbasedloanreceivablesMember
   
Industrial Property [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 20.0us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_IndustrialPropertyMember
  0us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_IndustrialPropertyMember
Commercial Mortgage Receivable, Percentage of Total 9.70%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_IndustrialPropertyMember
  0.00%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_IndustrialPropertyMember
Warehouse [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 47.7us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_WarehouseMember
  48.0us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_WarehouseMember
Commercial Mortgage Receivable, Percentage of Total 23.10%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_WarehouseMember
  35.20%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_WarehouseMember
Apartment Building [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 29.9us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_ApartmentBuildingMember
  37.8us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_ApartmentBuildingMember
Commercial Mortgage Receivable, Percentage of Total 14.50%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_ApartmentBuildingMember
  27.80%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_ApartmentBuildingMember
Office Building [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 76.0us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_OfficeBuildingMember
  44.6us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_OfficeBuildingMember
Commercial Mortgage Receivable, Percentage of Total 36.70%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_OfficeBuildingMember
  32.70%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_OfficeBuildingMember
Retail Site [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 33.2us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_RetailSiteMember
  5.8us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_RetailSiteMember
Commercial Mortgage Receivable, Percentage of Total 16.00%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_RetailSiteMember
  4.30%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_RetailSiteMember
East North Central US [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 64.3us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_EastNorthCentralUSMember
  27.8us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_EastNorthCentralUSMember
Commercial Mortgage Receivable, Percentage of Total 31.10%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_EastNorthCentralUSMember
  20.40%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_EastNorthCentralUSMember
Middle Atlantic US [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 18.0us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_MiddleAtlanticUSMember
  10.9us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_MiddleAtlanticUSMember
Commercial Mortgage Receivable, Percentage of Total 8.70%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_MiddleAtlanticUSMember
  8.00%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_MiddleAtlanticUSMember
Pacific US [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 61.2us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_PacificUSMember
  61.5us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_PacificUSMember
Commercial Mortgage Receivable, Percentage of Total 29.60%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_PacificUSMember
  45.10%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_PacificUSMember
South Atlantic US [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 37.5us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_SouthAtlanticUSMember
  0us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_SouthAtlanticUSMember
Commercial Mortgage Receivable, Percentage of Total 18.10%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_SouthAtlanticUSMember
  0.00%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_SouthAtlanticUSMember
West North Central US [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 5.8us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_WestNorthCentralUSMember
  5.8us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_WestNorthCentralUSMember
Commercial Mortgage Receivable, Percentage of Total 2.80%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_WestNorthCentralUSMember
  4.30%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_WestNorthCentralUSMember
West South Central US [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 20.0us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_WestSouthCentralUSMember
  30.2us-gaap_LoansReceivableCommercialMortgage
/ us-gaap_StatementGeographicalAxis
= hrg_WestSouthCentralUSMember
Commercial Mortgage Receivable, Percentage of Total 9.70%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_WestSouthCentralUSMember
  22.20%hrg_CommercialMortgageReceivablePercentageofTotal
/ us-gaap_StatementGeographicalAxis
= hrg_WestSouthCentralUSMember
Greater Than One Point Two Five [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 186.0us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOnePointTwoFiveMember
  135.4us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOnePointTwoFiveMember
Greater Than One But Less Than One Point Two Five [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 20.0us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOneButLessThanOnePointTwoFiveMember
  0us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOneButLessThanOnePointTwoFiveMember
Ratio Not Available [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 0.8us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_RatioNotAvailableMember
  0.8us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_RatioNotAvailableMember
LTV Less Than 50 Percent [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 45.1us-gaap_LoansReceivableCommercialMortgage
/ hrg_LoantoValueAxis
= hrg_LTVLessThan50PercentMember
  45.4us-gaap_LoansReceivableCommercialMortgage
/ hrg_LoantoValueAxis
= hrg_LTVLessThan50PercentMember
Commercial Mortgage Receivable, Percentage of Total 21.80%hrg_CommercialMortgageReceivablePercentageofTotal
/ hrg_LoantoValueAxis
= hrg_LTVLessThan50PercentMember
  33.30%hrg_CommercialMortgageReceivablePercentageofTotal
/ hrg_LoantoValueAxis
= hrg_LTVLessThan50PercentMember
LTV Less Than 50 Percent [Member] | Greater Than One Point Two Five [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 44.3us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOnePointTwoFiveMember
/ hrg_LoantoValueAxis
= hrg_LTVLessThan50PercentMember
  44.6us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOnePointTwoFiveMember
/ hrg_LoantoValueAxis
= hrg_LTVLessThan50PercentMember
LTV Less Than 50 Percent [Member] | Greater Than One But Less Than One Point Two Five [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 0us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOneButLessThanOnePointTwoFiveMember
/ hrg_LoantoValueAxis
= hrg_LTVLessThan50PercentMember
  0us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOneButLessThanOnePointTwoFiveMember
/ hrg_LoantoValueAxis
= hrg_LTVLessThan50PercentMember
LTV Less Than 50 Percent [Member] | Ratio Not Available [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 0.8us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_RatioNotAvailableMember
/ hrg_LoantoValueAxis
= hrg_LTVLessThan50PercentMember
  0.8us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_RatioNotAvailableMember
/ hrg_LoantoValueAxis
= hrg_LTVLessThan50PercentMember
LTV 50 to 60 Percent [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 51.4us-gaap_LoansReceivableCommercialMortgage
/ hrg_LoantoValueAxis
= hrg_LTV50to60PercentMember
  19.9us-gaap_LoansReceivableCommercialMortgage
/ hrg_LoantoValueAxis
= hrg_LTV50to60PercentMember
Commercial Mortgage Receivable, Percentage of Total 24.90%hrg_CommercialMortgageReceivablePercentageofTotal
/ hrg_LoantoValueAxis
= hrg_LTV50to60PercentMember
  14.60%hrg_CommercialMortgageReceivablePercentageofTotal
/ hrg_LoantoValueAxis
= hrg_LTV50to60PercentMember
LTV 50 to 60 Percent [Member] | Greater Than One Point Two Five [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 51.4us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOnePointTwoFiveMember
/ hrg_LoantoValueAxis
= hrg_LTV50to60PercentMember
  19.9us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOnePointTwoFiveMember
/ hrg_LoantoValueAxis
= hrg_LTV50to60PercentMember
LTV 50 to 60 Percent [Member] | Greater Than One But Less Than One Point Two Five [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 0us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOneButLessThanOnePointTwoFiveMember
/ hrg_LoantoValueAxis
= hrg_LTV50to60PercentMember
  0us-gaap_LoansReceivableCommercialMortgage
/ hrg_DebtServiceCoverageAxis
= hrg_GreaterThanOneButLessThanOnePointTwoFiveMember
/ hrg_LoantoValueAxis
= hrg_LTV50to60PercentMember
LTV 50 to 60 Percent [Member] | Ratio Not Available [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Loans Receivable, Gross, Commercial, Mortgage 0us-gaap_LoansReceivableCommercialMortgage
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Schedule of Available-for-sale Securities [Line Items]      
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Non-Qualifying Participation [Member]      
Schedule of Available-for-sale Securities [Line Items]      
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