10-Q 1 sigi-20220930.htm 10-Q sigi-20220930
FALSE2022Q3000023055712-3100002305572022-01-012022-09-300000230557us-gaap:CommonStockMember2022-01-012022-09-300000230557us-gaap:NoncumulativePreferredStockMember2022-01-012022-09-3000002305572022-10-31xbrli:shares00002305572022-09-30iso4217:USD00002305572021-12-310000230557us-gaap:PreferredStockMember2021-12-31iso4217:USDxbrli:shares0000230557us-gaap:PreferredStockMember2022-09-300000230557us-gaap:CommonStockMember2022-09-300000230557us-gaap:CommonStockMember2021-12-310000230557us-gaap:TreasuryStockMember2022-09-300000230557us-gaap:TreasuryStockMember2021-12-3100002305572022-07-012022-09-3000002305572021-07-012021-09-3000002305572021-01-012021-09-300000230557us-gaap:PreferredStockMember2022-06-300000230557us-gaap:PreferredStockMember2021-06-300000230557us-gaap:PreferredStockMember2021-12-310000230557us-gaap:PreferredStockMember2020-12-310000230557us-gaap:PreferredStockMember2022-07-012022-09-300000230557us-gaap:PreferredStockMember2021-07-012021-09-300000230557us-gaap:PreferredStockMember2022-01-012022-09-300000230557us-gaap:PreferredStockMember2021-01-012021-09-300000230557us-gaap:PreferredStockMember2022-09-300000230557us-gaap:PreferredStockMember2021-09-300000230557us-gaap:CommonStockMember2022-06-300000230557us-gaap:CommonStockMember2021-06-300000230557us-gaap:CommonStockMember2021-12-310000230557us-gaap:CommonStockMember2020-12-310000230557us-gaap:CommonStockMember2022-07-012022-09-300000230557us-gaap:CommonStockMember2021-07-012021-09-300000230557us-gaap:CommonStockMember2022-01-012022-09-300000230557us-gaap:CommonStockMember2021-01-012021-09-300000230557us-gaap:CommonStockMember2022-09-300000230557us-gaap:CommonStockMember2021-09-300000230557us-gaap:AdditionalPaidInCapitalMember2022-06-300000230557us-gaap:AdditionalPaidInCapitalMember2021-06-300000230557us-gaap:AdditionalPaidInCapitalMember2021-12-310000230557us-gaap:AdditionalPaidInCapitalMember2020-12-310000230557us-gaap:AdditionalPaidInCapitalMember2022-07-012022-09-300000230557us-gaap:AdditionalPaidInCapitalMember2021-07-012021-09-300000230557us-gaap:AdditionalPaidInCapitalMember2022-01-012022-09-300000230557us-gaap:AdditionalPaidInCapitalMember2021-01-012021-09-300000230557us-gaap:AdditionalPaidInCapitalMember2022-09-300000230557us-gaap:AdditionalPaidInCapitalMember2021-09-300000230557us-gaap:RetainedEarningsMember2022-06-300000230557us-gaap:RetainedEarningsMember2021-06-300000230557us-gaap:RetainedEarningsMember2021-12-310000230557us-gaap:RetainedEarningsMember2020-12-310000230557us-gaap:RetainedEarningsMember2022-07-012022-09-300000230557us-gaap:RetainedEarningsMember2021-07-012021-09-300000230557us-gaap:RetainedEarningsMember2022-01-012022-09-300000230557us-gaap:RetainedEarningsMember2021-01-012021-09-300000230557us-gaap:RetainedEarningsMember2022-09-300000230557us-gaap:RetainedEarningsMember2021-09-300000230557us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-06-300000230557us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-06-300000230557us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-12-310000230557us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-12-310000230557us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-07-012022-09-300000230557us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-07-012021-09-300000230557us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-01-012022-09-300000230557us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-01-012021-09-300000230557us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-09-300000230557us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-09-300000230557us-gaap:TreasuryStockMember2022-06-300000230557us-gaap:TreasuryStockMember2021-06-300000230557us-gaap:TreasuryStockMember2021-12-310000230557us-gaap:TreasuryStockMember2020-12-310000230557us-gaap:TreasuryStockMember2022-07-012022-09-300000230557us-gaap:TreasuryStockMember2021-07-012021-09-300000230557us-gaap:TreasuryStockMember2022-01-012022-09-300000230557us-gaap:TreasuryStockMember2021-01-012021-09-300000230557us-gaap:TreasuryStockMember2022-09-300000230557us-gaap:TreasuryStockMember2021-09-3000002305572021-09-3000002305572022-06-3000002305572021-06-3000002305572020-12-310000230557us-gaap:AvailableForSaleSecurities2022-01-012022-09-300000230557us-gaap:AvailableForSaleSecurities2021-01-012021-09-300000230557us-gaap:EquitySecuritiesMember2022-01-012022-09-300000230557us-gaap:EquitySecuritiesMember2021-01-012021-09-300000230557us-gaap:USTreasuryAndGovernmentMember2022-09-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMember2022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMember2022-09-300000230557us-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:AssetBackedSecuritiesMember2022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMember2022-09-300000230557us-gaap:CommercialMortgageBackedSecuritiesMember2022-09-300000230557us-gaap:USTreasuryAndGovernmentMember2021-12-310000230557us-gaap:ForeignGovernmentDebtSecuritiesMember2021-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMember2021-12-310000230557us-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:AssetBackedSecuritiesMember2021-12-310000230557us-gaap:ResidentialMortgageBackedSecuritiesMember2021-12-310000230557us-gaap:CommercialMortgageBackedSecuritiesMember2021-12-310000230557us-gaap:ForeignGovernmentDebtSecuritiesMember2022-06-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMember2022-07-012022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMember2022-06-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMember2022-07-012022-09-300000230557us-gaap:CorporateDebtSecuritiesMember2022-06-300000230557us-gaap:CorporateDebtSecuritiesMember2022-07-012022-09-300000230557us-gaap:AssetBackedSecuritiesMember2022-06-300000230557us-gaap:AssetBackedSecuritiesMember2022-07-012022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMember2022-06-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMember2022-07-012022-09-300000230557us-gaap:CommercialMortgageBackedSecuritiesMember2022-06-300000230557us-gaap:CommercialMortgageBackedSecuritiesMember2022-07-012022-09-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMember2021-06-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMember2021-07-012021-09-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMember2021-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMember2021-06-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMember2021-07-012021-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMember2021-09-300000230557us-gaap:CorporateDebtSecuritiesMember2021-06-300000230557us-gaap:CorporateDebtSecuritiesMember2021-07-012021-09-300000230557us-gaap:CorporateDebtSecuritiesMember2021-09-300000230557us-gaap:AssetBackedSecuritiesMember2021-06-300000230557us-gaap:AssetBackedSecuritiesMember2021-07-012021-09-300000230557us-gaap:AssetBackedSecuritiesMember2021-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMember2021-06-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMember2021-07-012021-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMember2021-09-300000230557us-gaap:CommercialMortgageBackedSecuritiesMember2021-06-300000230557us-gaap:CommercialMortgageBackedSecuritiesMember2021-07-012021-09-300000230557us-gaap:CommercialMortgageBackedSecuritiesMember2021-09-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMember2022-01-012022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMember2022-01-012022-09-300000230557us-gaap:CorporateDebtSecuritiesMember2022-01-012022-09-300000230557us-gaap:AssetBackedSecuritiesMember2022-01-012022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMember2022-01-012022-09-300000230557us-gaap:CommercialMortgageBackedSecuritiesMember2022-01-012022-09-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMember2020-12-310000230557us-gaap:ForeignGovernmentDebtSecuritiesMember2021-01-012021-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMember2020-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMember2021-01-012021-09-300000230557us-gaap:CorporateDebtSecuritiesMember2020-12-310000230557us-gaap:CorporateDebtSecuritiesMember2021-01-012021-09-300000230557us-gaap:AssetBackedSecuritiesMember2020-12-310000230557us-gaap:AssetBackedSecuritiesMember2021-01-012021-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMember2020-12-310000230557us-gaap:ResidentialMortgageBackedSecuritiesMember2021-01-012021-09-300000230557us-gaap:CommercialMortgageBackedSecuritiesMember2020-12-310000230557us-gaap:CommercialMortgageBackedSecuritiesMember2021-01-012021-09-300000230557us-gaap:AvailableforsaleSecuritiesMember2022-09-300000230557us-gaap:AvailableforsaleSecuritiesMember2021-12-310000230557us-gaap:USTreasuryAndGovernmentMemberus-gaap:AvailableForSaleSecurities2022-09-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:AvailableForSaleSecurities2022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableForSaleSecurities2022-09-300000230557us-gaap:AvailableForSaleSecuritiesus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:AssetBackedSecuritiesMemberus-gaap:AvailableForSaleSecurities2022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:AvailableForSaleSecurities2022-09-300000230557us-gaap:AvailableForSaleSecuritiesus-gaap:CommercialMortgageBackedSecuritiesMember2022-09-300000230557us-gaap:AvailableForSaleSecurities2022-09-300000230557us-gaap:USTreasuryAndGovernmentMemberus-gaap:AvailableForSaleSecurities2021-12-310000230557us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:AvailableForSaleSecurities2021-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableForSaleSecurities2021-12-310000230557us-gaap:AvailableForSaleSecuritiesus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:AssetBackedSecuritiesMemberus-gaap:AvailableForSaleSecurities2021-12-310000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:AvailableForSaleSecurities2021-12-310000230557us-gaap:AvailableForSaleSecuritiesus-gaap:CommercialMortgageBackedSecuritiesMember2021-12-310000230557us-gaap:AvailableForSaleSecurities2021-12-310000230557us-gaap:PrivateEquityFundsMembersrt:PartnershipInterestMember2022-09-300000230557us-gaap:PrivateEquityFundsMembersrt:PartnershipInterestMember2021-12-310000230557srt:PartnershipInterestMembersigi:PrivateCreditFundsMember2022-09-300000230557srt:PartnershipInterestMembersigi:PrivateCreditFundsMember2021-12-310000230557srt:PartnershipInterestMembersigi:RealAssetsMember2022-09-300000230557srt:PartnershipInterestMembersigi:RealAssetsMember2021-12-310000230557srt:PartnershipInterestMember2022-09-300000230557srt:PartnershipInterestMember2021-12-310000230557sigi:OtherSecuritiesMember2022-09-300000230557sigi:OtherSecuritiesMember2021-12-310000230557us-gaap:OtherInvestmentsMember2022-09-300000230557us-gaap:OtherInvestmentsMember2021-12-310000230557sigi:InvestmentsAccountedForUnderTheEquityMethodMember2022-07-012022-09-300000230557sigi:InvestmentsAccountedForUnderTheEquityMethodMember2021-07-012021-09-300000230557sigi:InvestmentsAccountedForUnderTheEquityMethodMember2022-01-012022-09-300000230557sigi:InvestmentsAccountedForUnderTheEquityMethodMember2021-01-012021-09-300000230557srt:PartnershipInterestMember2022-07-012022-09-300000230557srt:PartnershipInterestMember2021-07-012021-09-300000230557srt:PartnershipInterestMember2022-01-012022-09-300000230557srt:PartnershipInterestMember2021-01-012021-09-300000230557us-gaap:USTreasuryAndGovernmentMembersrt:FederalHomeLoanBankOfIndianapolisMember2022-09-300000230557us-gaap:USTreasuryAndGovernmentMembersrt:FederalHomeLoanBankOfNewYorkMember2022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMembersrt:FederalHomeLoanBankOfIndianapolisMember2022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMembersrt:FederalHomeLoanBankOfNewYorkMember2022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMembersrt:FederalHomeLoanBankOfIndianapolisMember2022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMembersrt:FederalHomeLoanBankOfNewYorkMember2022-09-300000230557srt:FederalHomeLoanBankOfIndianapolisMemberus-gaap:CommercialMortgageBackedSecuritiesMember2022-09-300000230557srt:FederalHomeLoanBankOfNewYorkMemberus-gaap:CommercialMortgageBackedSecuritiesMember2022-09-300000230557srt:FederalHomeLoanBankOfIndianapolisMember2022-09-300000230557srt:FederalHomeLoanBankOfNewYorkMember2022-09-30xbrli:pure0000230557us-gaap:FixedMaturitiesMember2022-07-012022-09-300000230557us-gaap:FixedMaturitiesMember2021-07-012021-09-300000230557us-gaap:FixedMaturitiesMember2022-01-012022-09-300000230557us-gaap:FixedMaturitiesMember2021-01-012021-09-300000230557sigi:CommercialMortgageLoansMember2022-07-012022-09-300000230557sigi:CommercialMortgageLoansMember2021-07-012021-09-300000230557sigi:CommercialMortgageLoansMember2022-01-012022-09-300000230557sigi:CommercialMortgageLoansMember2021-01-012021-09-300000230557us-gaap:EquitySecuritiesMember2022-07-012022-09-300000230557us-gaap:EquitySecuritiesMember2021-07-012021-09-300000230557us-gaap:ShortTermInvestmentsMember2022-07-012022-09-300000230557us-gaap:ShortTermInvestmentsMember2021-07-012021-09-300000230557us-gaap:ShortTermInvestmentsMember2022-01-012022-09-300000230557us-gaap:ShortTermInvestmentsMember2021-01-012021-09-300000230557us-gaap:OtherInvestmentsMember2022-07-012022-09-300000230557us-gaap:OtherInvestmentsMember2021-07-012021-09-300000230557us-gaap:OtherInvestmentsMember2022-01-012022-09-300000230557us-gaap:OtherInvestmentsMember2021-01-012021-09-300000230557us-gaap:AvailableforsaleSecuritiesMember2022-07-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMember2021-07-012021-09-300000230557us-gaap:AvailableforsaleSecuritiesMember2022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMember2021-01-012021-09-300000230557us-gaap:HeldtomaturitySecuritiesMember2022-07-012022-09-300000230557us-gaap:HeldtomaturitySecuritiesMember2021-07-012021-09-300000230557us-gaap:HeldtomaturitySecuritiesMember2022-01-012022-09-300000230557us-gaap:HeldtomaturitySecuritiesMember2021-01-012021-09-300000230557us-gaap:CarryingReportedAmountFairValueDisclosureMembersigi:SevenPointTwentyFivePercentSeniorNotesMember2022-09-300000230557sigi:SevenPointTwentyFivePercentSeniorNotesMember2022-09-300000230557us-gaap:CarryingReportedAmountFairValueDisclosureMembersigi:SevenPointTwentyFivePercentSeniorNotesMember2021-12-310000230557sigi:SevenPointTwentyFivePercentSeniorNotesMember2021-12-310000230557us-gaap:CarryingReportedAmountFairValueDisclosureMembersigi:SixPointSeventyPercentSeniorNotesMember2022-09-300000230557sigi:SixPointSeventyPercentSeniorNotesMember2022-09-300000230557us-gaap:CarryingReportedAmountFairValueDisclosureMembersigi:SixPointSeventyPercentSeniorNotesMember2021-12-310000230557sigi:SixPointSeventyPercentSeniorNotesMember2021-12-310000230557us-gaap:CarryingReportedAmountFairValueDisclosureMembersigi:FivePointThreeHundredSeventyFiveMember2022-09-300000230557sigi:FivePointThreeHundredSeventyFiveMember2022-09-300000230557us-gaap:CarryingReportedAmountFairValueDisclosureMembersigi:FivePointThreeHundredSeventyFiveMember2021-12-310000230557sigi:FivePointThreeHundredSeventyFiveMember2021-12-310000230557sigi:ThreePointZeroThreePercentBorrowingFromFederalHomeLoanBankDueDecember162026Memberus-gaap:CarryingReportedAmountFairValueDisclosureMember2022-09-300000230557sigi:ThreePointZeroThreePercentBorrowingFromFederalHomeLoanBankDueDecember162026Member2022-09-300000230557sigi:ThreePointZeroThreePercentBorrowingFromFederalHomeLoanBankDueDecember162026Memberus-gaap:CarryingReportedAmountFairValueDisclosureMember2021-12-310000230557sigi:ThreePointZeroThreePercentBorrowingFromFederalHomeLoanBankDueDecember162026Member2021-12-310000230557sigi:LongTermDebtExcludingIssuanceCostsMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2022-09-300000230557sigi:LongTermDebtExcludingIssuanceCostsMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2021-12-310000230557us-gaap:CarryingReportedAmountFairValueDisclosureMembersigi:UnamortizedDebtIssuanceCostsMember2022-09-300000230557us-gaap:CarryingReportedAmountFairValueDisclosureMembersigi:UnamortizedDebtIssuanceCostsMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueInputsLevel1Member2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueInputsLevel2Member2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2022-09-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-09-300000230557us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMemberus-gaap:FairValueInputsLevel1Member2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMemberus-gaap:FairValueInputsLevel2Member2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMember2022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:CommercialMortgageBackedSecuritiesMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:CommercialMortgageBackedSecuritiesMember2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:CommonStockMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:CommonStockMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-09-300000230557us-gaap:CommonStockMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:CommonStockMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:NonredeemablePreferredStockMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:NonredeemablePreferredStockMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-09-300000230557us-gaap:NonredeemablePreferredStockMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:NonredeemablePreferredStockMemberus-gaap:FairValueMeasurementsRecurringMember2022-09-300000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueInputsLevel1Member2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueInputsLevel2Member2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2021-12-310000230557us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310000230557us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMemberus-gaap:FairValueInputsLevel1Member2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMemberus-gaap:FairValueInputsLevel2Member2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMember2021-12-310000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:CommercialMortgageBackedSecuritiesMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:CommercialMortgageBackedSecuritiesMember2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310000230557us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:CommonStockMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:CommonStockMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310000230557us-gaap:CommonStockMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:CommonStockMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:NonredeemablePreferredStockMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:NonredeemablePreferredStockMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310000230557us-gaap:NonredeemablePreferredStockMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:NonredeemablePreferredStockMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableforsaleSecuritiesMember2021-12-310000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:AssetBackedSecuritiesMember2021-12-310000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:AvailableforsaleSecuritiesMember2021-12-310000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:CommercialMortgageBackedSecuritiesMember2021-12-310000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMember2021-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableforsaleSecuritiesMember2022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:CorporateDebtSecuritiesMember2022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:AssetBackedSecuritiesMember2022-01-012022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:AvailableforsaleSecuritiesMember2022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:CommercialMortgageBackedSecuritiesMember2022-01-012022-09-300000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMember2022-01-012022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableforsaleSecuritiesMemberus-gaap:GainLossOnInvestmentsMember12022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:GainLossOnInvestmentsMember1us-gaap:CorporateDebtSecuritiesMember2022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:GainLossOnInvestmentsMember1us-gaap:AssetBackedSecuritiesMember2022-01-012022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:AvailableforsaleSecuritiesMemberus-gaap:GainLossOnInvestmentsMember12022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:GainLossOnInvestmentsMember1us-gaap:CommercialMortgageBackedSecuritiesMember2022-01-012022-09-300000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMemberus-gaap:GainLossOnInvestmentsMember12022-01-012022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableforsaleSecuritiesMembersigi:NetInvestmentIncomeEarnedMember2022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMembersigi:NetInvestmentIncomeEarnedMemberus-gaap:CorporateDebtSecuritiesMember2022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:AssetBackedSecuritiesMembersigi:NetInvestmentIncomeEarnedMember2022-01-012022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:AvailableforsaleSecuritiesMembersigi:NetInvestmentIncomeEarnedMember2022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMembersigi:NetInvestmentIncomeEarnedMemberus-gaap:CommercialMortgageBackedSecuritiesMember2022-01-012022-09-300000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMembersigi:NetInvestmentIncomeEarnedMember2022-01-012022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableforsaleSecuritiesMember2022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:AssetBackedSecuritiesMember2022-09-300000230557us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:AvailableforsaleSecuritiesMember2022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:CommercialMortgageBackedSecuritiesMember2022-09-300000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMember2022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableforsaleSecuritiesMember2020-12-310000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:CorporateDebtSecuritiesMember2020-12-310000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:AssetBackedSecuritiesMember2020-12-310000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMember2020-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableforsaleSecuritiesMember2021-01-012021-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:CorporateDebtSecuritiesMember2021-01-012021-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:AssetBackedSecuritiesMember2021-01-012021-09-300000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMember2021-01-012021-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableforsaleSecuritiesMemberus-gaap:GainLossOnInvestmentsMember12021-01-012021-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:GainLossOnInvestmentsMember1us-gaap:CorporateDebtSecuritiesMember2021-01-012021-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:GainLossOnInvestmentsMember1us-gaap:AssetBackedSecuritiesMember2021-01-012021-09-300000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMemberus-gaap:GainLossOnInvestmentsMember12021-01-012021-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableforsaleSecuritiesMembersigi:NetInvestmentIncomeEarnedMember2021-01-012021-09-300000230557us-gaap:AvailableforsaleSecuritiesMembersigi:NetInvestmentIncomeEarnedMemberus-gaap:CorporateDebtSecuritiesMember2021-01-012021-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:AssetBackedSecuritiesMembersigi:NetInvestmentIncomeEarnedMember2021-01-012021-09-300000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMembersigi:NetInvestmentIncomeEarnedMember2021-01-012021-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:AvailableforsaleSecuritiesMember2021-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:CorporateDebtSecuritiesMember2021-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:AssetBackedSecuritiesMember2021-09-300000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMember2021-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMemberus-gaap:MeasurementInputCreditSpreadMemberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557srt:MaximumMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCreditSpreadMemberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557srt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCreditSpreadMemberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:AssetBackedSecuritiesMember2022-09-300000230557us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:AssetBackedSecuritiesMembersrt:MinimumMemberus-gaap:MeasurementInputCreditSpreadMember2022-09-300000230557srt:MaximumMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:AssetBackedSecuritiesMemberus-gaap:MeasurementInputCreditSpreadMember2022-09-300000230557srt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:AssetBackedSecuritiesMemberus-gaap:MeasurementInputCreditSpreadMember2022-09-300000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-09-300000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMemberus-gaap:MeasurementInputCreditSpreadMemberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557srt:MaximumMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCreditSpreadMemberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557srt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputCreditSpreadMemberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:AvailableforsaleSecuritiesMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:AssetBackedSecuritiesMember2021-12-310000230557us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:AssetBackedSecuritiesMembersrt:MinimumMemberus-gaap:MeasurementInputCreditSpreadMember2021-12-310000230557srt:MaximumMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:AssetBackedSecuritiesMemberus-gaap:MeasurementInputCreditSpreadMember2021-12-310000230557srt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:AssetBackedSecuritiesMemberus-gaap:MeasurementInputCreditSpreadMember2021-12-310000230557us-gaap:InvestmentsMemberus-gaap:AvailableforsaleSecuritiesMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2021-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel1Member2022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel2Member2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-09-300000230557us-gaap:FairValueInputsLevel1Memberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:FairValueInputsLevel2Memberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:FairValueInputsLevel3Memberus-gaap:CorporateDebtSecuritiesMember2022-09-300000230557us-gaap:FairValueInputsLevel1Member2022-09-300000230557us-gaap:FairValueInputsLevel2Member2022-09-300000230557us-gaap:FairValueInputsLevel3Member2022-09-300000230557us-gaap:FairValueInputsLevel1Membersigi:SevenPointTwentyFivePercentSeniorNotesMember2022-09-300000230557us-gaap:FairValueInputsLevel2Membersigi:SevenPointTwentyFivePercentSeniorNotesMember2022-09-300000230557us-gaap:FairValueInputsLevel3Membersigi:SevenPointTwentyFivePercentSeniorNotesMember2022-09-300000230557us-gaap:FairValueInputsLevel1Membersigi:SixPointSeventyPercentSeniorNotesMember2022-09-300000230557us-gaap:FairValueInputsLevel2Membersigi:SixPointSeventyPercentSeniorNotesMember2022-09-300000230557us-gaap:FairValueInputsLevel3Membersigi:SixPointSeventyPercentSeniorNotesMember2022-09-300000230557us-gaap:FairValueInputsLevel1Membersigi:FivePointThreeHundredSeventyFiveMember2022-09-300000230557us-gaap:FairValueInputsLevel2Membersigi:FivePointThreeHundredSeventyFiveMember2022-09-300000230557us-gaap:FairValueInputsLevel3Membersigi:FivePointThreeHundredSeventyFiveMember2022-09-300000230557sigi:ThreePointZeroThreePercentBorrowingFromFederalHomeLoanBankDueDecember162026Memberus-gaap:FairValueInputsLevel1Member2022-09-300000230557sigi:ThreePointZeroThreePercentBorrowingFromFederalHomeLoanBankDueDecember162026Memberus-gaap:FairValueInputsLevel2Member2022-09-300000230557sigi:ThreePointZeroThreePercentBorrowingFromFederalHomeLoanBankDueDecember162026Memberus-gaap:FairValueInputsLevel3Member2022-09-300000230557us-gaap:LongTermDebtMember2022-09-300000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel1Member2021-12-310000230557us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel2Member2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:USStatesAndPoliticalSubdivisionsMember2021-12-310000230557us-gaap:FairValueInputsLevel1Memberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:FairValueInputsLevel2Memberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:FairValueInputsLevel3Memberus-gaap:CorporateDebtSecuritiesMember2021-12-310000230557us-gaap:FairValueInputsLevel1Member2021-12-310000230557us-gaap:FairValueInputsLevel2Member2021-12-310000230557us-gaap:FairValueInputsLevel3Member2021-12-310000230557us-gaap:FairValueInputsLevel1Membersigi:SevenPointTwentyFivePercentSeniorNotesMember2021-12-310000230557us-gaap:FairValueInputsLevel2Membersigi:SevenPointTwentyFivePercentSeniorNotesMember2021-12-310000230557us-gaap:FairValueInputsLevel3Membersigi:SevenPointTwentyFivePercentSeniorNotesMember2021-12-310000230557us-gaap:FairValueInputsLevel1Membersigi:SixPointSeventyPercentSeniorNotesMember2021-12-310000230557us-gaap:FairValueInputsLevel2Membersigi:SixPointSeventyPercentSeniorNotesMember2021-12-310000230557us-gaap:FairValueInputsLevel3Membersigi:SixPointSeventyPercentSeniorNotesMember2021-12-310000230557us-gaap:FairValueInputsLevel1Membersigi:FivePointThreeHundredSeventyFiveMember2021-12-310000230557us-gaap:FairValueInputsLevel2Membersigi:FivePointThreeHundredSeventyFiveMember2021-12-310000230557us-gaap:FairValueInputsLevel3Membersigi:FivePointThreeHundredSeventyFiveMember2021-12-310000230557sigi:ThreePointZeroThreePercentBorrowingFromFederalHomeLoanBankDueDecember162026Memberus-gaap:FairValueInputsLevel1Member2021-12-310000230557sigi:ThreePointZeroThreePercentBorrowingFromFederalHomeLoanBankDueDecember162026Memberus-gaap:FairValueInputsLevel2Member2021-12-310000230557sigi:ThreePointZeroThreePercentBorrowingFromFederalHomeLoanBankDueDecember162026Memberus-gaap:FairValueInputsLevel3Member2021-12-310000230557us-gaap:LongTermDebtMember2021-12-310000230557us-gaap:PremiumsReceivableMember2022-07-012022-09-300000230557us-gaap:PremiumsReceivableMember2021-07-012021-09-300000230557us-gaap:PremiumsReceivableMember2022-01-012022-09-300000230557us-gaap:PremiumsReceivableMember2021-01-012021-09-300000230557us-gaap:PremiumsReceivableMember2022-09-300000230557us-gaap:PremiumsReceivableMember2021-09-300000230557sigi:PremiumsReceivableAllowanceForCreditLossesMember2022-07-012022-09-300000230557sigi:ReductionInAllowanceForCreditLossesOnPremiumsReceivableMember2022-07-012022-09-300000230557sigi:PremiumsReceivableAllowanceForCreditLossesMember2022-01-012022-09-300000230557sigi:ReductionInAllowanceForCreditLossesOnPremiumsReceivableMember2022-01-012022-09-300000230557sigi:PremiumsReceivableAllowanceForCreditLossesHistoricalMember2021-07-012021-09-300000230557sigi:ReductionInAllowanceForCreditLossesOnPremiumsReceivableMember2021-07-012021-09-300000230557sigi:PremiumsReceivableAllowanceForCreditLossesHistoricalMember2021-01-012021-09-300000230557sigi:ReductionInAllowanceForCreditLossesOnPremiumsReceivableMember2021-01-012021-09-300000230557srt:AMBestAPlusPlusRatingMemberus-gaap:FinancialAssetNotPastDueMember2022-09-300000230557srt:AMBestAPlusPlusRatingMemberus-gaap:FinancialAssetPastDueMember2022-09-300000230557srt:AMBestAPlusPlusRatingMember2022-09-300000230557srt:AMBestAPlusRatingMemberus-gaap:FinancialAssetNotPastDueMember2022-09-300000230557srt:AMBestAPlusRatingMemberus-gaap:FinancialAssetPastDueMember2022-09-300000230557srt:AMBestAPlusRatingMember2022-09-300000230557us-gaap:FinancialAssetNotPastDueMembersrt:AMBestARatingMember2022-09-300000230557us-gaap:FinancialAssetPastDueMembersrt:AMBestARatingMember2022-09-300000230557srt:AMBestARatingMember2022-09-300000230557srt:AMBestAMinusRatingMemberus-gaap:FinancialAssetNotPastDueMember2022-09-300000230557srt:AMBestAMinusRatingMemberus-gaap:FinancialAssetPastDueMember2022-09-300000230557srt:AMBestAMinusRatingMember2022-09-300000230557srt:AMBestBPlusPlusRatingMemberus-gaap:FinancialAssetNotPastDueMember2022-09-300000230557srt:AMBestBPlusPlusRatingMemberus-gaap:FinancialAssetPastDueMember2022-09-300000230557srt:AMBestBPlusPlusRatingMember2022-09-300000230557srt:AMBestBPlusRatingMemberus-gaap:FinancialAssetNotPastDueMember2022-09-300000230557srt:AMBestBPlusRatingMemberus-gaap:FinancialAssetPastDueMember2022-09-300000230557srt:AMBestBPlusRatingMember2022-09-300000230557sigi:AMBestRatedReinsurerMemberus-gaap:FinancialAssetNotPastDueMember2022-09-300000230557sigi:AMBestRatedReinsurerMemberus-gaap:FinancialAssetPastDueMember2022-09-300000230557sigi:AMBestRatedReinsurerMember2022-09-300000230557sigi:TotalfederalandstatepoolsMemberus-gaap:FinancialAssetNotPastDueMember2022-09-300000230557sigi:TotalfederalandstatepoolsMemberus-gaap:FinancialAssetPastDueMember2022-09-300000230557sigi:TotalfederalandstatepoolsMember2022-09-300000230557sigi:OtherFederalAndStatePoolsMemberus-gaap:FinancialAssetNotPastDueMember2022-09-300000230557us-gaap:FinancialAssetPastDueMembersigi:OtherFederalAndStatePoolsMember2022-09-300000230557sigi:OtherFederalAndStatePoolsMember2022-09-300000230557sigi:TotalNonRatedReinsurerMemberus-gaap:FinancialAssetNotPastDueMember2022-09-300000230557sigi:TotalNonRatedReinsurerMemberus-gaap:FinancialAssetPastDueMember2022-09-300000230557sigi:TotalNonRatedReinsurerMember2022-09-300000230557sigi:ReinsuranceRecoverableforPaidandUnpaidClaimsandClaimsAdjustmentsGrossMemberus-gaap:FinancialAssetNotPastDueMember2022-09-300000230557sigi:ReinsuranceRecoverableforPaidandUnpaidClaimsandClaimsAdjustmentsGrossMemberus-gaap:FinancialAssetPastDueMember2022-09-300000230557srt:AMBestAPlusPlusRatingMemberus-gaap:FinancialAssetNotPastDueMember2021-12-310000230557srt:AMBestAPlusPlusRatingMemberus-gaap:FinancialAssetPastDueMember2021-12-310000230557srt:AMBestAPlusPlusRatingMember2021-12-310000230557srt:AMBestAPlusRatingMemberus-gaap:FinancialAssetNotPastDueMember2021-12-310000230557srt:AMBestAPlusRatingMemberus-gaap:FinancialAssetPastDueMember2021-12-310000230557srt:AMBestAPlusRatingMember2021-12-310000230557us-gaap:FinancialAssetNotPastDueMembersrt:AMBestARatingMember2021-12-310000230557us-gaap:FinancialAssetPastDueMembersrt:AMBestARatingMember2021-12-310000230557srt:AMBestARatingMember2021-12-310000230557srt:AMBestAMinusRatingMemberus-gaap:FinancialAssetNotPastDueMember2021-12-310000230557srt:AMBestAMinusRatingMemberus-gaap:FinancialAssetPastDueMember2021-12-310000230557srt:AMBestAMinusRatingMember2021-12-310000230557srt:AMBestBPlusPlusRatingMemberus-gaap:FinancialAssetNotPastDueMember2021-12-310000230557srt:AMBestBPlusPlusRatingMemberus-gaap:FinancialAssetPastDueMember2021-12-310000230557srt:AMBestBPlusPlusRatingMember2021-12-310000230557srt:AMBestBPlusRatingMemberus-gaap:FinancialAssetNotPastDueMember2021-12-310000230557srt:AMBestBPlusRatingMemberus-gaap:FinancialAssetPastDueMember2021-12-310000230557srt:AMBestBPlusRatingMember2021-12-310000230557sigi:AMBestRatedReinsurerMemberus-gaap:FinancialAssetNotPastDueMember2021-12-310000230557sigi:AMBestRatedReinsurerMemberus-gaap:FinancialAssetPastDueMember2021-12-310000230557sigi:AMBestRatedReinsurerMember2021-12-310000230557sigi:TotalfederalandstatepoolsMemberus-gaap:FinancialAssetNotPastDueMember2021-12-310000230557sigi:TotalfederalandstatepoolsMemberus-gaap:FinancialAssetPastDueMember2021-12-310000230557sigi:TotalfederalandstatepoolsMember2021-12-310000230557sigi:OtherFederalAndStatePoolsMemberus-gaap:FinancialAssetNotPastDueMember2021-12-310000230557us-gaap:FinancialAssetPastDueMembersigi:OtherFederalAndStatePoolsMember2021-12-310000230557sigi:OtherFederalAndStatePoolsMember2021-12-310000230557sigi:TotalNonRatedReinsurerMemberus-gaap:FinancialAssetNotPastDueMember2021-12-310000230557sigi:TotalNonRatedReinsurerMemberus-gaap:FinancialAssetPastDueMember2021-12-310000230557sigi:TotalNonRatedReinsurerMember2021-12-310000230557sigi:ReinsuranceRecoverableforPaidandUnpaidClaimsandClaimsAdjustmentsGrossMemberus-gaap:FinancialAssetNotPastDueMember2021-12-310000230557sigi:ReinsuranceRecoverableforPaidandUnpaidClaimsandClaimsAdjustmentsGrossMemberus-gaap:FinancialAssetPastDueMember2021-12-310000230557sigi:DirectAssumedAndCededReinsuranceAmountsMember2022-07-012022-09-300000230557sigi:DirectAssumedAndCededReinsuranceAmountsMember2021-07-012021-09-300000230557sigi:DirectAssumedAndCededReinsuranceAmountsMember2022-01-012022-09-300000230557sigi:DirectAssumedAndCededReinsuranceAmountsMember2021-01-012021-09-300000230557sigi:ChangeinHistoricalClaimRateExperienceMember2022-01-012022-09-300000230557sigi:ChangeinHistoricalClaimRateExperienceMember2021-01-012021-09-300000230557sigi:CasualtyInsuranceProductLineMembersigi:ChangeinHistoricalClaimRateExperienceMember2022-01-012022-09-300000230557us-gaap:PropertyInsuranceProductLineMembersigi:ChangeinHistoricalClaimRateExperienceMember2022-01-012022-09-300000230557sigi:CasualtyInsuranceProductLineMemberus-gaap:WorkersCompensationInsuranceMembersigi:ChangeinHistoricalClaimRateExperienceMember2022-01-012022-09-300000230557sigi:CasualtyInsuranceProductLineMembersigi:ChangeinHistoricalClaimRateExperienceMembersigi:SuretyLinesMember2022-01-012022-09-300000230557sigi:CasualtyInsuranceProductLineMembersigi:BusinessOwnersPoliciesMembersigi:ChangeinHistoricalClaimRateExperienceMember2022-01-012022-09-300000230557sigi:CasualtyInsuranceProductLineMemberus-gaap:GeneralLiabilityMembersigi:ChangeinHistoricalClaimRateExperienceMember2022-01-012022-09-300000230557sigi:CasualtyInsuranceProductLineMembersigi:CommercialAutomobileMembersigi:ChangeinHistoricalClaimRateExperienceMember2022-01-012022-09-300000230557sigi:CasualtyInsuranceProductLineMembersigi:ChangeinHistoricalClaimRateExperienceMember2021-01-012021-09-300000230557sigi:CasualtyInsuranceProductLineMemberus-gaap:GeneralLiabilityMembersigi:ChangeinHistoricalClaimRateExperienceMember2021-01-012021-09-300000230557sigi:CasualtyInsuranceProductLineMemberus-gaap:WorkersCompensationInsuranceMembersigi:ChangeinHistoricalClaimRateExperienceMember2021-01-012021-09-300000230557sigi:ESLinesMembersigi:CasualtyInsuranceProductLineMembersigi:ChangeinHistoricalClaimRateExperienceMember2021-01-012021-09-300000230557sigi:CasualtyInsuranceProductLineMembersigi:BusinessOwnersPoliciesMembersigi:ChangeinHistoricalClaimRateExperienceMember2021-01-012021-09-300000230557us-gaap:GeneralLiabilityMembersigi:StandardCommercialLinesMember2022-07-012022-09-300000230557us-gaap:GeneralLiabilityMembersigi:StandardCommercialLinesMember2021-07-012021-09-300000230557us-gaap:GeneralLiabilityMembersigi:StandardCommercialLinesMember2022-01-012022-09-300000230557us-gaap:GeneralLiabilityMembersigi:StandardCommercialLinesMember2021-01-012021-09-300000230557sigi:CommercialAutomobileMembersigi:StandardCommercialLinesMember2022-07-012022-09-300000230557sigi:CommercialAutomobileMembersigi:StandardCommercialLinesMember2021-07-012021-09-300000230557sigi:CommercialAutomobileMembersigi:StandardCommercialLinesMember2022-01-012022-09-300000230557sigi:CommercialAutomobileMembersigi:StandardCommercialLinesMember2021-01-012021-09-300000230557sigi:StandardCommercialLinesMembersigi:CommercialPropertyMember2022-07-012022-09-300000230557sigi:StandardCommercialLinesMembersigi:CommercialPropertyMember2021-07-012021-09-300000230557sigi:StandardCommercialLinesMembersigi:CommercialPropertyMember2022-01-012022-09-300000230557sigi:StandardCommercialLinesMembersigi:CommercialPropertyMember2021-01-012021-09-300000230557sigi:WorkersCompensationMembersigi:StandardCommercialLinesMember2022-07-012022-09-300000230557sigi:WorkersCompensationMembersigi:StandardCommercialLinesMember2021-07-012021-09-300000230557sigi:WorkersCompensationMembersigi:StandardCommercialLinesMember2022-01-012022-09-300000230557sigi:WorkersCompensationMembersigi:StandardCommercialLinesMember2021-01-012021-09-300000230557sigi:BusinessOwnersPoliciesMembersigi:StandardCommercialLinesMember2022-07-012022-09-300000230557sigi:BusinessOwnersPoliciesMembersigi:StandardCommercialLinesMember2021-07-012021-09-300000230557sigi:BusinessOwnersPoliciesMembersigi:StandardCommercialLinesMember2022-01-012022-09-300000230557sigi:BusinessOwnersPoliciesMembersigi:StandardCommercialLinesMember2021-01-012021-09-300000230557us-gaap:SuretySegmentMembersigi:StandardCommercialLinesMember2022-07-012022-09-300000230557us-gaap:SuretySegmentMembersigi:StandardCommercialLinesMember2021-07-012021-09-300000230557us-gaap:SuretySegmentMembersigi:StandardCommercialLinesMember2022-01-012022-09-300000230557us-gaap:SuretySegmentMembersigi:StandardCommercialLinesMember2021-01-012021-09-300000230557sigi:OtherCommercialMembersigi:StandardCommercialLinesMember2022-07-012022-09-300000230557sigi:OtherCommercialMembersigi:StandardCommercialLinesMember2021-07-012021-09-300000230557sigi:OtherCommercialMembersigi:StandardCommercialLinesMember2022-01-012022-09-300000230557sigi:OtherCommercialMembersigi:StandardCommercialLinesMember2021-01-012021-09-300000230557sigi:StandardCommercialLinesMembersigi:MiscellaneousIncomeMember2022-07-012022-09-300000230557sigi:StandardCommercialLinesMembersigi:MiscellaneousIncomeMember2021-07-012021-09-300000230557sigi:StandardCommercialLinesMembersigi:MiscellaneousIncomeMember2022-01-012022-09-300000230557sigi:StandardCommercialLinesMembersigi:MiscellaneousIncomeMember2021-01-012021-09-300000230557sigi:StandardCommercialLinesMember2022-07-012022-09-300000230557sigi:StandardCommercialLinesMember2021-07-012021-09-300000230557sigi:StandardCommercialLinesMember2022-01-012022-09-300000230557sigi:StandardCommercialLinesMember2021-01-012021-09-300000230557sigi:StandardPersonalLinesMembersigi:PersonalAutomobileMember2022-07-012022-09-300000230557sigi:StandardPersonalLinesMembersigi:PersonalAutomobileMember2021-07-012021-09-300000230557sigi:StandardPersonalLinesMembersigi:PersonalAutomobileMember2022-01-012022-09-300000230557sigi:StandardPersonalLinesMembersigi:PersonalAutomobileMember2021-01-012021-09-300000230557sigi:StandardPersonalLinesMembersigi:HomeownersMember2022-07-012022-09-300000230557sigi:StandardPersonalLinesMembersigi:HomeownersMember2021-07-012021-09-300000230557sigi:StandardPersonalLinesMembersigi:HomeownersMember2022-01-012022-09-300000230557sigi:StandardPersonalLinesMembersigi:HomeownersMember2021-01-012021-09-300000230557sigi:StandardPersonalLinesMembersigi:OtherPersonalMember2022-07-012022-09-300000230557sigi:StandardPersonalLinesMembersigi:OtherPersonalMember2021-07-012021-09-300000230557sigi:StandardPersonalLinesMembersigi:OtherPersonalMember2022-01-012022-09-300000230557sigi:StandardPersonalLinesMembersigi:OtherPersonalMember2021-01-012021-09-300000230557sigi:StandardPersonalLinesMembersigi:MiscellaneousIncomeMember2022-07-012022-09-300000230557sigi:StandardPersonalLinesMembersigi:MiscellaneousIncomeMember2021-07-012021-09-300000230557sigi:StandardPersonalLinesMembersigi:MiscellaneousIncomeMember2022-01-012022-09-300000230557sigi:StandardPersonalLinesMembersigi:MiscellaneousIncomeMember2021-01-012021-09-300000230557sigi:StandardPersonalLinesMember2022-07-012022-09-300000230557sigi:StandardPersonalLinesMember2021-07-012021-09-300000230557sigi:StandardPersonalLinesMember2022-01-012022-09-300000230557sigi:StandardPersonalLinesMember2021-01-012021-09-300000230557sigi:ESLinesMembersigi:CasualtyInsuranceProductLineMember2022-07-012022-09-300000230557sigi:ESLinesMembersigi:CasualtyInsuranceProductLineMember2021-07-012021-09-300000230557sigi:ESLinesMembersigi:CasualtyInsuranceProductLineMember2022-01-012022-09-300000230557sigi:ESLinesMembersigi:CasualtyInsuranceProductLineMember2021-01-012021-09-300000230557us-gaap:PropertyInsuranceProductLineMembersigi:ESLinesMember2022-07-012022-09-300000230557us-gaap:PropertyInsuranceProductLineMembersigi:ESLinesMember2021-07-012021-09-300000230557us-gaap:PropertyInsuranceProductLineMembersigi:ESLinesMember2022-01-012022-09-300000230557us-gaap:PropertyInsuranceProductLineMembersigi:ESLinesMember2021-01-012021-09-300000230557sigi:ESLinesMember2022-07-012022-09-300000230557sigi:ESLinesMember2021-07-012021-09-300000230557sigi:ESLinesMember2022-01-012022-09-300000230557sigi:ESLinesMember2021-01-012021-09-300000230557sigi:InvestmentsSIGIMember2022-07-012022-09-300000230557sigi:InvestmentsSIGIMember2021-07-012021-09-300000230557sigi:InvestmentsSIGIMember2022-01-012022-09-300000230557sigi:InvestmentsSIGIMember2021-01-012021-09-300000230557sigi:OperatingSegmentsSIGIMember2022-07-012022-09-300000230557sigi:OperatingSegmentsSIGIMember2021-07-012021-09-300000230557sigi:OperatingSegmentsSIGIMember2022-01-012022-09-300000230557sigi:OperatingSegmentsSIGIMember2021-01-012021-09-300000230557us-gaap:PensionPlansDefinedBenefitMember2022-07-012022-09-300000230557us-gaap:PensionPlansDefinedBenefitMember2021-07-012021-09-300000230557us-gaap:PensionPlansDefinedBenefitMember2022-01-012022-09-300000230557us-gaap:PensionPlansDefinedBenefitMember2021-01-012021-09-300000230557us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2021-12-310000230557us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap:HeldtomaturitySecuritiesMember2021-12-310000230557us-gaap:AvailableforsaleSecuritiesMember2021-12-310000230557us-gaap:InvestmentsMember2021-12-310000230557us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2021-12-310000230557us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2022-01-012022-09-300000230557us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap:HeldtomaturitySecuritiesMember2022-01-012022-09-300000230557us-gaap:AvailableforsaleSecuritiesMember2022-01-012022-09-300000230557us-gaap:InvestmentsMember2022-01-012022-09-300000230557us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-01-012022-09-300000230557us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2022-09-300000230557us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap:HeldtomaturitySecuritiesMember2022-09-300000230557us-gaap:AvailableforsaleSecuritiesMember2022-09-300000230557us-gaap:InvestmentsMember2022-09-300000230557us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-09-300000230557us-gaap:HeldtomaturitySecuritiesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-07-012022-09-300000230557us-gaap:HeldtomaturitySecuritiesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2021-07-012021-09-300000230557us-gaap:HeldtomaturitySecuritiesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-01-012022-09-300000230557us-gaap:HeldtomaturitySecuritiesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2021-01-012021-09-300000230557us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AociGainLossDebtSecuritiesAvailableForSaleWithoutAllowanceForCreditLossParentMember2022-07-012022-09-300000230557us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AociGainLossDebtSecuritiesAvailableForSaleWithoutAllowanceForCreditLossParentMember2021-07-012021-09-300000230557us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AociGainLossDebtSecuritiesAvailableForSaleWithoutAllowanceForCreditLossParentMember2022-01-012022-09-300000230557us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AociGainLossDebtSecuritiesAvailableForSaleWithoutAllowanceForCreditLossParentMember2021-01-012021-09-300000230557us-gaap:AociGainLossDebtSecuritiesAvailableForSaleWithAllowanceForCreditLossParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-07-012022-09-300000230557us-gaap:AociGainLossDebtSecuritiesAvailableForSaleWithAllowanceForCreditLossParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2021-07-012021-09-300000230557us-gaap:AociGainLossDebtSecuritiesAvailableForSaleWithAllowanceForCreditLossParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-01-012022-09-300000230557us-gaap:AociGainLossDebtSecuritiesAvailableForSaleWithAllowanceForCreditLossParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2021-01-012021-09-300000230557us-gaap:PensionPlansDefinedBenefitMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-07-012022-09-300000230557us-gaap:PensionPlansDefinedBenefitMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2021-07-012021-09-300000230557us-gaap:PensionPlansDefinedBenefitMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-01-012022-09-300000230557us-gaap:PensionPlansDefinedBenefitMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2021-01-012021-09-300000230557us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-07-012022-09-300000230557us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2021-07-012021-09-300000230557us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-01-012022-09-300000230557us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2021-01-012021-09-3000002305572020-12-02
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
 
FORM 10-Q
(Mark One)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
 
For the quarterly period ended: September 30, 2022
or 

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
 
For the transition period from_____________________________to_____________________________
 
Commission File Number: 001-33067
SELECTIVE INSURANCE GROUP, INC.
(Exact Name of Registrant as Specified in Its Charter)

New Jersey22-2168890
(State or Other Jurisdiction of Incorporation or Organization)(I.R.S. Employer Identification No.)

40 Wantage Avenue
Branchville, New Jersey 07890
(Address of Principal Executive Offices) (Zip Code)

973948-3000
(Registrant’s Telephone Number, Including Area Code)
(Former Name, Former Address and Former Fiscal Year, if Changed Since Last Report)

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol (s)Name of each exchange on which registered
Common Stock, par value $2 per shareSIGIThe Nasdaq Stock Market LLC
Depositary Shares, each representing a 1/1,000th interest in a share of 4.60% Non-Cumulative Preferred Stock, Series B, without par valueSIGIPThe Nasdaq Stock Market LLC

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes            No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes   No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer
Accelerated filer
Non-accelerated filer
Smaller reporting company
Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).                                                                                           
Yes No
As of October 31, 2022, there were 60,275,170 shares of common stock, par value $2.00 per share, outstanding. 


    
SELECTIVE INSURANCE GROUP, INC.
Table of Contents
  Page No.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 


PART I. FINANCIAL INFORMATION
ITEM 1. FINANCIAL STATEMENTS.

SELECTIVE INSURANCE GROUP, INC.
CONSOLIDATED BALANCE SHEETS
Unaudited
($ in thousands, except share amounts)September 30, 2022December 31,
2021
ASSETS  
Investments:  
Fixed income securities, held-to-maturity – at carrying value (fair value: $31,482 – 2022; $29,460 – 2021)
$33,008 28,850 
Less: allowance for credit losses (65)
Fixed income securities, held-to-maturity, net of allowance for credit losses33,008 28,785 
Fixed income securities, available-for-sale – at fair value
(allowance for credit losses: $52,337 – 2022 and $9,724 – 2021; amortized cost: $7,107,011 – 2022 and $6,490,753 – 2021)
6,472,100 6,709,976 
Commercial mortgage loans – at carrying value (fair value: $136,652 – 2022 and $97,598 – 2021)
145,209 95,795 
Less: allowance for credit losses  
Commercial mortgage loans, net of allowance for credit losses145,209 95,795 
Equity securities – at fair value (cost:  $188,964 – 2022; $308,840 – 2021)
183,868 335,537 
Short-term investments269,302 447,863 
Other investments432,624 409,032 
Total investments (Note 4 and 5)$7,536,111 8,026,988 
Cash538 455 
Restricted cash8,495 44,608 
Accrued investment income54,024 48,247 
Premiums receivable1,128,673 958,787 
Less: allowance for credit losses (Note 6)(15,200)(13,600)
Premiums receivable, net of allowance for credit losses1,113,473 945,187 
Reinsurance recoverable714,731 601,668 
Less: allowance for credit losses (Note 7)(1,600)(1,600)
Reinsurance recoverable, net of allowance for credit losses713,131 600,068 
Prepaid reinsurance premiums178,708 183,007 
Current federal income tax24,565 772 
Deferred federal income tax164,557  
Property and equipment – at cost, net of accumulated depreciation and amortization of:
$271,563 – 2022; $253,427 – 2021
85,333 82,053 
Deferred policy acquisition costs370,925 326,915 
Goodwill7,849 7,849 
Other assets262,772 195,240 
Total assets$10,520,481 10,461,389 
LIABILITIES AND STOCKHOLDERS’ EQUITY  
Liabilities:  
Reserve for loss and loss expense (Note 8)$4,965,277 4,580,903 
Unearned premiums2,022,240 1,803,207 
Long-term debt505,151 506,050 
Deferred federal income tax 13,413 
Accrued salaries and benefits112,227 121,057 
Other liabilities488,053 453,874 
Total liabilities$8,092,948 7,478,504 
Stockholders’ Equity:  
Preferred stock of $0 par value per share:
$200,000 200,000 
Authorized shares 5,000,000; Issued shares: 8,000 with $25,000 liquidation preference per share - 2022 and 2021
Common stock of $2 par value per share:
Authorized shares 360,000,000
Issued: 104,778,828 – 2022; 104,450,916 – 2021
209,558 208,902 
Additional paid-in capital486,239 464,347 
Retained earnings2,683,763 2,603,472 
Accumulated other comprehensive (loss) income (Note 11)(525,011)115,099 
Treasury stock – at cost (shares:  44,505,337 – 2022; 44,266,534 – 2021)
(627,016)(608,935)
Total stockholders’ equity$2,427,533 2,982,885 
Commitments and contingencies
Total liabilities and stockholders’ equity$10,520,481 10,461,389 

The accompanying notes are an integral part of these unaudited interim consolidated financial statements.
1

SELECTIVE INSURANCE GROUP, INC.
UNAUDITED CONSOLIDATED STATEMENTS OF INCOME
Quarter ended September 30,Nine Months ended September 30,
($ in thousands, except per share amounts)2022202120222021
Revenues:  
Net premiums earned$853,879 767,247 $2,500,601 2,232,725 
Net investment income earned63,889 93,032 206,713 246,479 
Net realized and unrealized investment (losses) gains(25,681)177 (108,913)15,353 
Other income2,933 4,588 7,499 14,912 
Total revenues895,020 865,044 2,605,900 2,509,469 
Expenses:  
Loss and loss expense incurred547,826 505,269 1,566,930 1,340,293 
Amortization of deferred policy acquisition costs179,048 160,868 522,186 464,276 
Other insurance expenses102,806 94,759 298,310 278,531 
Interest expense7,179 7,242 21,599 21,967 
Corporate expenses5,522 4,270 24,442 22,936 
Total expenses842,381 772,408 2,433,467 2,128,003 
Income before federal income tax52,639 92,636 172,433 381,466 
Federal income tax expense:  
Current14,813 18,878 41,682 79,319 
Deferred(4,699)53 (7,624)(2,711)
Total federal income tax expense10,114 18,931 34,058 76,608 
Net income$42,525 73,705 $138,375 304,858 
Preferred stock dividends2,300 2,300 6,900 7,053 
Net income available to common stockholders$40,225 71,405 $131,475 297,805 
Earnings per common share:  
Net income available to common stockholders - Basic$0.67 1.19 $2.18 4.95 
Net income available to common stockholders - Diluted$0.66 1.18 $2.16 4.92 
    
The accompanying notes are an integral part of these unaudited interim consolidated financial statements.


2

SELECTIVE INSURANCE GROUP, INC.
UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Quarter ended September 30,Nine Months ended September 30,
($ in thousands)2022202120222021
Net income $42,525 73,705 $138,375 304,858 
Other comprehensive (loss) income, net of tax:  
Unrealized (losses) gains on investment securities:  
Unrealized holding losses arising during period (149,803)(27,875)(532,744)(81,402)
Unrealized losses on securities with credit loss recognized in earnings(53,946)(1,851)(179,803)(2,906)
  Amounts reclassified into net income:
Held-to-maturity securities1 1 2 (3)
Net realized losses (gains) on disposals and intent-to-sell available-for-sale securities11,246 (1,024)38,233 (501)
Credit loss expense3,532 1,054 33,214 3,207 
Total unrealized losses on investment securities(188,970)(29,695)(641,098)(81,605)
Defined benefit pension and post-retirement plans:  
Amounts reclassified into net income:
Net actuarial loss329 548 988 1,643 
  Total defined benefit pension and post-retirement plans
329 548 988 1,643 
Other comprehensive loss(188,641)(29,147)(640,110)(79,962)
Comprehensive (loss) income$(146,116)44,558 $(501,735)224,896 
 
The accompanying notes are an integral part of these unaudited interim consolidated financial statements.


3

SELECTIVE INSURANCE GROUP, INC.
UNAUDITED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
Quarter ended September 30,Nine Months ended September 30,
($ in thousands, except share and per share amounts)2022202120222021
Preferred stock:
Beginning of period$200,000 200,000 $200,000 200,000 
Issuance of preferred stock    
End of period200,000 200,000 200,000 200,000 
Common stock:  
Beginning of period209,506 208,742 208,902 208,066 
Dividend reinvestment plan11 10 34 34 
Stock purchase and compensation plans41 26 622 678 
End of period209,558 208,778 209,558 208,778 
Additional paid-in capital:  
Beginning of period481,380 454,459 464,347 438,985 
Dividend reinvestment plan438 416 1,325 1,261 
Stock purchase and compensation plans4,421 3,268 20,567 17,897 
End of period486,239 458,143 486,239 458,143 
Retained earnings:  
Beginning of period2,660,584 2,467,596 2,603,472 2,271,537 
Net income42,525 73,705 138,375 304,858 
Dividends to preferred stockholders(2,300)(2,300)(6,900)(7,053)
Dividends to common stockholders(17,046)(15,191)(51,184)(45,532)
End of period2,683,763 2,523,810 2,683,763 2,523,810 
Accumulated other comprehensive (loss) income:  
Beginning of period(336,370)169,371 115,099 220,186 
Other comprehensive loss (188,641)(29,147)(640,110)(79,962)
End of period(525,011)140,224 (525,011)140,224 
Treasury stock:  
Beginning of period(621,010)(608,801)(608,935)(599,885)
Acquisition of treasury stock - share repurchase authorization(5,931) (12,423)(3,404)
Acquisition of treasury stock - shares acquired related to employee share-based compensation plans(75)(58)(5,658)(5,570)
End of period(627,016)(608,859)(627,016)(608,859)
Total stockholders’ equity$2,427,533 2,922,096 $2,427,533 2,922,096 
Dividends declared per preferred share$287.50 287.50 $862.50 881.67 
Dividends declared per common share$0.28 0.25 $0.84 0.75 
Preferred stock, shares outstanding:
Beginning of period 8,000 8,000 8,000 8,000 
Issuance of preferred stock    
End of period8,000 8,000 8,000 8,000 
Common stock, shares outstanding:
Beginning of period60,327,734 60,106,236 60,184,382 59,905,803 
Dividend reinvestment plan5,647 5,096 17,152 17,152 
Stock purchase and compensation plan20,073 12,946 310,760 339,061 
Acquisition of treasury stock - share repurchase authorization(79,100) (165,159)(52,781)
Acquisition of treasury stock - shares acquired related to employee share-based compensation plans(863)(743)(73,644)(85,700)
End of period60,273,491 60,123,535 60,273,491 60,123,535 

The accompanying notes are an integral part of these unaudited interim consolidated financial statements.

4

SELECTIVE INSURANCE GROUP, INC.
UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS
Nine Months ended September 30,
($ in thousands)20222021
Operating Activities  
Net income$138,375 304,858 
Adjustments to reconcile net income to net cash provided by (used in) operating activities:  
Depreciation and amortization34,350 40,706 
Stock-based compensation expense15,123 13,431 
Undistributed gains of equity method investments(12,971)(65,215)
Distributions in excess of current year income of equity method investments33,365 2,750 
Net realized and unrealized losses (gains) 108,913 (15,353)
Loss on disposal of fixed assets 50 
Changes in assets and liabilities:  
Increase in reserve for loss and loss expense, net of reinsurance recoverable271,311 251,260 
Increase in unearned premiums, net of prepaid reinsurance223,332 211,564 
Increase in net federal income taxes(31,607)(17,866)
Increase in premiums receivable(168,286)(148,817)
Increase in deferred policy acquisition costs(44,010)(45,417)
Increase in accrued investment income(5,936)(1,249)
Decrease in accrued salaries and benefits(8,830)(1,160)
Increase in other assets(31,241)(22,045)
(Decrease) increase in other liabilities(36,444)35,806 
Net cash provided by operating activities485,444 543,303 
Investing Activities  
Purchases of fixed income securities, held-to-maturity(6,692)(11,250)
Purchases of fixed income securities, available-for-sale(2,183,013)(1,660,798)
Purchases of commercial mortgage loans(57,289)(38,129)
Purchases of equity securities(21,044)(82,223)
Purchases of other investments(45,495)(63,661)
Purchases of short-term investments(3,123,086)(3,443,597)
Sales of fixed income securities, available-for-sale986,367 384,586 
Proceeds from commercial mortgage loans7,875 442 
Sales of short-term investments3,302,140 3,497,243 
Redemption and maturities of fixed income securities, held-to-maturity2,508 2,735 
Redemption and maturities of fixed income securities, available-for-sale539,680 910,741 
Sales of equity securities155,670 85,373 
Sales of other investments2,156 5,377 
Distributions from other investments11,114 10,524 
Purchases of property and equipment(21,758)(15,123)
Net cash used in investing activities(450,867)(417,760)
Financing Activities  
Dividends to preferred stockholders(6,900)(7,053)
Dividends to common stockholders(49,307)(43,756)
Acquisition of treasury stock(18,081)