FHN-C First Horizon Corporation

FIRST HORIZON CORP000003696612/312023Q1falsehttp://www.firsthorizon.com/20230331#AccountingStandardsUpdate202202Member0000http://www.firsthorizon.com/20230331#AccountingStandardsUpdate202202Member00000369662023-01-012023-03-310000036966fhn:A625ParValueCommonCapitalStockMember2023-01-012023-03-310000036966fhn:DepositorySharesEachRepresentingA14000thInterestInAShareOfNonCumulativePerpetualPreferredStockSeriesBMember2023-01-012023-03-310000036966fhn:DepositorySharesEachRepresentingA14000thInterestInAShareOfNonCumulativePerpetualPreferredStockSeriesCMember2023-01-012023-03-310000036966fhn:DepositorySharesEachRepresentingA14000thInterestInAShareOfNonCumulativePerpetualPreferredStockSeriesDMember2023-01-012023-03-310000036966fhn:DepositorySharesEachRepresentingA14000thInterestInAShareOfNonCumulativePerpetualPreferredStockSeriesEMember2023-01-012023-03-310000036966fhn:DepositorySharesEachRepresentingA14000thInterestInAShareOfNonCumulativePerpetualPreferredStockSeriesFMember2023-01-012023-03-3100000369662023-04-28xbrli:shares00000369662023-03-31iso4217:USD00000369662022-12-31iso4217:USDxbrli:shares00000369662022-01-012022-03-310000036966us-gaap:PreferredStockMember2022-12-310000036966us-gaap:CommonStockMember2022-12-310000036966us-gaap:AdditionalPaidInCapitalMember2022-12-310000036966us-gaap:RetainedEarningsUnappropriatedMember2022-12-310000036966us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-12-310000036966us-gaap:NoncontrollingInterestMember2022-12-3100000369662022-01-012022-12-310000036966us-gaap:RetainedEarningsUnappropriatedMemberfhn:AccountingStandardsUpdate202202Member2022-12-310000036966fhn:AccountingStandardsUpdate202202Member2022-12-310000036966us-gaap:RetainedEarningsUnappropriatedMember2023-01-012023-03-310000036966us-gaap:NoncontrollingInterestMember2023-01-012023-03-310000036966us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-01-012023-03-310000036966us-gaap:CommonStockMember2023-01-012023-03-310000036966us-gaap:AdditionalPaidInCapitalMember2023-01-012023-03-310000036966us-gaap:PreferredStockMember2023-03-310000036966us-gaap:CommonStockMember2023-03-310000036966us-gaap:AdditionalPaidInCapitalMember2023-03-310000036966us-gaap:RetainedEarningsUnappropriatedMember2023-03-310000036966us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-03-310000036966us-gaap:NoncontrollingInterestMember2023-03-310000036966us-gaap:PreferredStockMember2021-12-310000036966us-gaap:CommonStockMember2021-12-310000036966us-gaap:AdditionalPaidInCapitalMember2021-12-310000036966us-gaap:RetainedEarningsUnappropriatedMember2021-12-310000036966us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-12-310000036966us-gaap:NoncontrollingInterestMember2021-12-3100000369662021-12-310000036966us-gaap:RetainedEarningsUnappropriatedMember2022-01-012022-03-310000036966us-gaap:NoncontrollingInterestMember2022-01-012022-03-310000036966us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-01-012022-03-310000036966us-gaap:PreferredStockMember2022-01-012022-03-310000036966us-gaap:PreferredStockMember2022-03-310000036966us-gaap:PreferredStockIncludingAdditionalPaidInCapitalMember2022-01-012022-03-310000036966us-gaap:CommonStockMember2022-01-012022-03-310000036966us-gaap:AdditionalPaidInCapitalMember2022-01-012022-03-310000036966us-gaap:PreferredStockMember2022-03-310000036966us-gaap:CommonStockMember2022-03-310000036966us-gaap:AdditionalPaidInCapitalMember2022-03-310000036966us-gaap:RetainedEarningsUnappropriatedMember2022-03-310000036966us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-03-310000036966us-gaap:NoncontrollingInterestMember2022-03-3100000369662022-03-310000036966fhn:TDTransactionMember2023-01-012023-03-310000036966fhn:TDTransactionMember2022-01-012022-03-310000036966fhn:AccountingStandardsUpdate202202Member2023-01-010000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember2023-03-310000036966us-gaap:CollateralizedMortgageObligationsMember2023-03-310000036966fhn:OtherUSGovernmentAgenciesMember2023-03-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMember2023-03-310000036966fhn:AvailableforSaleSecuritiesExcludingDebtSecuritiesRecordedatFairValueThroughEarningsMember2023-03-310000036966fhn:AvailableforSaleSecuritiesExcludingDebtSecuritiesRecordedatFairValueThroughEarningsMemberus-gaap:AssetPledgedAsCollateralMember2023-03-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember2022-12-310000036966us-gaap:CollateralizedMortgageObligationsMember2022-12-310000036966fhn:OtherUSGovernmentAgenciesMember2022-12-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMember2022-12-310000036966fhn:AvailableforSaleSecuritiesExcludingDebtSecuritiesRecordedatFairValueThroughEarningsMember2022-12-310000036966fhn:AvailableforSaleSecuritiesExcludingDebtSecuritiesRecordedatFairValueThroughEarningsMemberus-gaap:AssetPledgedAsCollateralMember2022-12-310000036966us-gaap:CommercialPortfolioSegmentMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentExcludingLoansToMortgageCompaniesMember2023-03-310000036966us-gaap:CommercialPortfolioSegmentMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentExcludingLoansToMortgageCompaniesMember2022-12-310000036966fhn:LoansToMortgageCompaniesMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:LoansToMortgageCompaniesMemberus-gaap:CommercialPortfolioSegmentMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2022-12-310000036966us-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966us-gaap:HomeEquityMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966us-gaap:HomeEquityMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:RealEstateInstallmentLoansMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:RealEstateInstallmentLoansMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966us-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966us-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966us-gaap:EquipmentMember2023-03-310000036966us-gaap:EquipmentMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberfhn:PaycheckProtectionPlanMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberfhn:PaycheckProtectionPlanMember2022-12-310000036966us-gaap:AssetPledgedAsCollateralMember2023-03-310000036966us-gaap:AssetPledgedAsCollateralMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:LoansToMortgageCompaniesMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:FinanceAndInsuranceCompaniesMemberus-gaap:CommercialPortfolioSegmentMember2023-03-31xbrli:pure0000036966srt:MinimumMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966srt:MaximumMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:CommercialLoanPDGradeFirstThroughTwelfthMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberfhn:CommercialLoanPDGradeThirteenMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberfhn:CommercialLoanPDGradeFourteenFifteenSixteenMember2023-03-310000036966fhn:CommercialLoanPDGradeFirstThroughTwelfthMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberfhn:CommercialLoanPDGradeThirteenMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberfhn:CommercialLoanPDGradeFourteenFifteenSixteenMember2022-12-310000036966fhn:CommercialLoanPDGradeFirstThroughTwelfthMemberfhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMemberfhn:CommercialLoanPDGradeThirteenMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberfhn:CommercialLoanPDGradeFourteenFifteenSixteenMember2023-03-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966fhn:CommercialLoanPDGradeFirstThroughTwelfthMemberfhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMemberfhn:CommercialLoanPDGradeThirteenMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberfhn:CommercialLoanPDGradeFourteenFifteenSixteenMember2022-12-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966fhn:FicoScoreGreaterThanEqualTo740Memberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:FicoScore720To739Memberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:FicoScore700To719Memberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMemberfhn:FicoScore660To699Member2023-03-310000036966fhn:FicoScore620To659Memberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:FicoScoreLessThan620Memberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:FicoScoreGreaterThanEqualTo740Memberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:FicoScore720To739Memberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:FicoScore700To719Memberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMemberfhn:FicoScore660To699Member2022-12-310000036966fhn:FicoScore620To659Memberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:FicoScoreLessThan620Memberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:FicoScoreGreaterThanEqualTo740Memberfhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:FicoScore720To739Memberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:FicoScore700To719Memberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMemberfhn:FicoScore660To699Member2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:FicoScore620To659Memberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:FicoScoreLessThan620Memberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:FicoScoreGreaterThanEqualTo740Memberfhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:FicoScore720To739Memberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:FicoScore700To719Memberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMemberfhn:FicoScore660To699Member2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:FicoScore620To659Memberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:FicoScoreLessThan620Memberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:GeneralCIMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:GeneralCIMemberfhn:FinancingReceivables30To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:GeneralCIMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:LoansToMortgageCompaniesMemberfhn:FinancingReceivables30To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:LoansToMortgageCompaniesMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:FinancingReceivables30To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-03-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialRealEstatePortfolioSegmentMemberfhn:FinancingReceivables30To89DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:FinancingReceivables30To89DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:REInstallmentLoansMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:REInstallmentLoansMemberfhn:FinancingReceivables30To89DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:REInstallmentLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:FinancingReceivables30To89DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:CreditCardClassMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:FinancingReceivables30To89DaysPastDueMemberfhn:CreditCardClassMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:CreditCardClassMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:OtherConsumerLoansClassMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:FinancingReceivables30To89DaysPastDueMemberfhn:OtherConsumerLoansClassMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:OtherConsumerLoansClassMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:FinancingReceivables30To89DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:FinancingReceivables30To89DaysPastDueMember2023-03-310000036966us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:GeneralCIMemberus-gaap:CommercialPortfolioSegmentMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:GeneralCIMemberfhn:FinancingReceivables30To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:GeneralCIMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:LoansToMortgageCompaniesMemberus-gaap:CommercialPortfolioSegmentMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:LoansToMortgageCompaniesMemberfhn:FinancingReceivables30To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:LoansToMortgageCompaniesMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:FinancingReceivables30To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2022-12-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialRealEstatePortfolioSegmentMemberfhn:FinancingReceivables30To89DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:FinancingReceivables30To89DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:REInstallmentLoansMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:REInstallmentLoansMemberfhn:FinancingReceivables30To89DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:REInstallmentLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:FinancingReceivables30To89DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:CreditCardClassMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:FinancingReceivables30To89DaysPastDueMemberfhn:CreditCardClassMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:CreditCardClassMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:OtherConsumerLoansClassMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:FinancingReceivables30To89DaysPastDueMemberfhn:OtherConsumerLoansClassMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:OtherConsumerLoansClassMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:FinancingReceivables30To89DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:FinancingReceivables30To89DaysPastDueMember2022-12-310000036966us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMember2022-12-310000036966fhn:GeneralCIMemberus-gaap:CollateralPledgedMember2023-03-310000036966fhn:GeneralCIMemberus-gaap:CollateralPledgedMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:GeneralCIMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CollateralPledgedMember2023-03-310000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:CollateralPledgedMember2023-03-310000036966fhn:GeneralCIMemberus-gaap:AssetPledgedAsCollateralMember2023-01-012023-03-310000036966us-gaap:HomeEquityMemberus-gaap:AssetPledgedAsCollateralMember2023-03-310000036966fhn:REInstallmentLoansMemberus-gaap:AssetPledgedAsCollateralMember2023-03-310000036966us-gaap:HomeEquityMemberus-gaap:AssetPledgedAsCollateralMember2022-12-310000036966fhn:REInstallmentLoansMemberus-gaap:AssetPledgedAsCollateralMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000036966us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-01-012023-03-310000036966us-gaap:ExtendedMaturityMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966us-gaap:ExtendedMaturityMember2023-01-012023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000036966us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-01-012023-03-310000036966us-gaap:PaymentDeferralMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966us-gaap:PaymentDeferralMember2023-01-012023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:TermExtensionAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000036966fhn:TermExtensionAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-01-012023-03-310000036966fhn:TermExtensionAndInterestRateReductionMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966srt:MaximumMemberfhn:TermExtensionAndInterestRateReductionMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966srt:MinimumMemberfhn:TermExtensionAndInterestRateReductionMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966fhn:CreditCardAndOtherMemberfhn:TermExtensionAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966fhn:TermExtensionAndInterestRateReductionMember2023-01-012023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberfhn:PrincipalForgivenessAndTermExtensionMember2023-01-012023-03-310000036966us-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberfhn:PrincipalForgivenessAndTermExtensionMember2023-01-012023-03-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMemberfhn:PrincipalForgivenessAndTermExtensionMember2023-01-012023-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMemberfhn:PrincipalForgivenessAndTermExtensionMember2023-01-012023-03-310000036966fhn:PrincipalForgivenessAndTermExtensionMember2023-01-012023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberfhn:FinancialAsset30To89DaysPastDueMember2023-03-310000036966us-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:CommercialPortfolioSegmentMemberfhn:FinancialAsset30To89DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:FinancialAssetNotPastDueMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberfhn:FinancialAsset30To89DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:FinancialAsset30To89DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966us-gaap:FinancialAssetNotPastDueMember2023-03-310000036966fhn:FinancialAsset30To89DaysPastDueMember2023-03-310000036966fhn:LoansHeldForSaleResidentialRealEstateMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:GeneralCIMemberus-gaap:CommercialPortfolioSegmentMember2022-01-012022-03-31fhn:loan0000036966fhn:CommercialRealEstate1Memberus-gaap:CommercialPortfolioSegmentMemberfhn:ConsumerRealEstatePortfolioSegmentMember2022-01-012022-03-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:ConsumerPortfolioSegmentMember2022-01-012022-03-310000036966fhn:REInstallmentLoansMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-01-012022-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMember2022-01-012022-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberfhn:AccountingStandardsUpdate202202Member2022-12-310000036966us-gaap:CommercialPortfolioSegmentMemberfhn:AccountingStandardsUpdate202202Memberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberfhn:AccountingStandardsUpdate202202Memberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberfhn:AccountingStandardsUpdate202202Memberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000036966us-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-01-012023-03-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:FundedLoanCommitmentsMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000036966fhn:FundedLoanCommitmentsMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-01-012023-03-310000036966fhn:FundedLoanCommitmentsMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966fhn:CreditCardAndOtherMemberfhn:FundedLoanCommitmentsMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966fhn:FundedLoanCommitmentsMember2023-01-012023-03-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2022-12-310000036966us-gaap:UnfundedLoanCommitmentMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966fhn:CreditCardAndOtherMemberus-gaap:UnfundedLoanCommitmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-12-310000036966us-gaap:UnfundedLoanCommitmentMember2022-12-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000036966us-gaap:UnfundedLoanCommitmentMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-01-012023-03-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:UnfundedLoanCommitmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000036966us-gaap:UnfundedLoanCommitmentMember2023-01-012023-03-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966us-gaap:UnfundedLoanCommitmentMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:UnfundedLoanCommitmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966us-gaap:UnfundedLoanCommitmentMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:FundedAndUnfundedLoanCommitmentsMemberus-gaap:CommercialPortfolioSegmentMember2023-03-310000036966fhn:FundedAndUnfundedLoanCommitmentsMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966fhn:FundedAndUnfundedLoanCommitmentsMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:CreditCardAndOtherMemberfhn:FundedAndUnfundedLoanCommitmentsMemberus-gaap:ConsumerPortfolioSegmentMember2023-03-310000036966fhn:FundedAndUnfundedLoanCommitmentsMember2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2021-12-310000036966us-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2021-12-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2021-12-310000036966fhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMember2021-12-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2022-01-012022-03-310000036966us-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-01-012022-03-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-01-012022-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:FundedLoanCommitmentsMemberus-gaap:CommercialPortfolioSegmentMember2022-01-012022-03-310000036966fhn:FundedLoanCommitmentsMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-01-012022-03-310000036966fhn:FundedLoanCommitmentsMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-01-012022-03-310000036966fhn:CreditCardAndOtherMemberfhn:FundedLoanCommitmentsMemberus-gaap:ConsumerPortfolioSegmentMember2022-01-012022-03-310000036966fhn:FundedLoanCommitmentsMember2022-01-012022-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2022-03-310000036966us-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-03-310000036966fhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:ConsumerPortfolioSegmentMember2022-03-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2021-12-310000036966us-gaap:UnfundedLoanCommitmentMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2021-12-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2021-12-310000036966fhn:CreditCardAndOtherMemberus-gaap:UnfundedLoanCommitmentMemberus-gaap:ConsumerPortfolioSegmentMember2021-12-310000036966us-gaap:UnfundedLoanCommitmentMember2021-12-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2022-01-012022-03-310000036966us-gaap:UnfundedLoanCommitmentMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-01-012022-03-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-01-012022-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:UnfundedLoanCommitmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-01-012022-03-310000036966us-gaap:UnfundedLoanCommitmentMember2022-01-012022-03-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMember2022-03-310000036966us-gaap:UnfundedLoanCommitmentMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-03-310000036966us-gaap:UnfundedLoanCommitmentMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-03-310000036966fhn:CreditCardAndOtherMemberus-gaap:UnfundedLoanCommitmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-03-310000036966us-gaap:UnfundedLoanCommitmentMember2022-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberfhn:FundedAndUnfundedLoanCommitmentsMemberus-gaap:CommercialPortfolioSegmentMember2022-03-310000036966fhn:FundedAndUnfundedLoanCommitmentsMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-03-310000036966fhn:FundedAndUnfundedLoanCommitmentsMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:ConsumerPortfolioSegmentMember2022-03-310000036966fhn:CreditCardAndOtherMemberfhn:FundedAndUnfundedLoanCommitmentsMemberus-gaap:ConsumerPortfolioSegmentMember2022-03-310000036966fhn:FundedAndUnfundedLoanCommitmentsMember2022-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialPortfolioSegmentMemberfhn:PaycheckProtectionPlanMember2022-03-310000036966fhn:FirstHorizonBankMember2023-03-310000036966us-gaap:MortgageReceivablesMember2022-12-310000036966us-gaap:MortgageReceivablesMember2021-12-310000036966us-gaap:MortgageReceivablesMember2023-01-012023-03-310000036966us-gaap:MortgageReceivablesMember2022-01-012022-12-310000036966us-gaap:MortgageReceivablesMember2023-03-310000036966fhn:MortgageBankingAndTitleIncomeMember2023-01-012023-03-310000036966fhn:MortgageBankingAndTitleIncomeMember2022-01-012022-03-310000036966fhn:RegionalBankingMember2021-12-310000036966fhn:FixedIncomeMember2021-12-310000036966fhn:RegionalBankingMember2022-01-012022-12-310000036966fhn:FixedIncomeMember2022-01-012022-12-310000036966fhn:RegionalBankingMember2022-12-310000036966fhn:FixedIncomeMember2022-12-310000036966fhn:RegionalBankingMember2023-01-012023-03-310000036966fhn:FixedIncomeMember2023-01-012023-03-310000036966fhn:RegionalBankingMember2023-03-310000036966fhn:FixedIncomeMember2023-03-310000036966us-gaap:CoreDepositsMember2023-03-310000036966us-gaap:CoreDepositsMember2022-12-310000036966us-gaap:CustomerRelatedIntangibleAssetsMember2023-03-310000036966us-gaap:CustomerRelatedIntangibleAssetsMember2022-12-310000036966us-gaap:OtherIntangibleAssetsMember2023-03-310000036966us-gaap:OtherIntangibleAssetsMember2022-12-310000036966us-gaap:SeriesBPreferredStockMember2023-01-012023-03-310000036966us-gaap:SeriesBPreferredStockMember2023-03-310000036966us-gaap:SeriesBPreferredStockMember2022-12-310000036966us-gaap:SeriesCPreferredStockMember2023-01-012023-03-310000036966us-gaap:SeriesCPreferredStockMember2023-03-310000036966us-gaap:SeriesCPreferredStockMember2022-12-310000036966us-gaap:SeriesDPreferredStockMember2023-01-012023-03-310000036966us-gaap:SeriesDPreferredStockMember2023-03-310000036966us-gaap:SeriesDPreferredStockMember2022-12-310000036966us-gaap:SeriesEPreferredStockMember2023-01-012023-03-310000036966us-gaap:SeriesEPreferredStockMember2023-03-310000036966us-gaap:SeriesEPreferredStockMember2022-12-310000036966us-gaap:SeriesFPreferredStockMember2023-01-012023-03-310000036966us-gaap:SeriesFPreferredStockMember2023-03-310000036966us-gaap:SeriesFPreferredStockMember2022-12-310000036966us-gaap:SeriesGPreferredStockMember2023-03-310000036966us-gaap:SeriesGPreferredStockMember2022-12-310000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMembersrt:ScenarioForecastMemberus-gaap:SeriesBPreferredStockMember2025-08-012025-08-010000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberfhn:VariableRateBasisSpreadPercentageOneMembersrt:ScenarioForecastMemberus-gaap:SeriesBPreferredStockMember2025-08-012025-08-010000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberfhn:VariableRateBasisSpreadPercentageTwoMembersrt:ScenarioForecastMemberus-gaap:SeriesBPreferredStockMember2025-08-012025-08-010000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:SeriesCPreferredStockMembersrt:ScenarioForecastMember2026-05-012026-05-010000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberfhn:VariableRateBasisSpreadPercentageOneMemberus-gaap:SeriesCPreferredStockMembersrt:ScenarioForecastMember2026-05-012026-05-010000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberfhn:VariableRateBasisSpreadPercentageTwoMemberus-gaap:SeriesCPreferredStockMembersrt:ScenarioForecastMember2026-05-012026-05-010000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:SeriesDPreferredStockMembersrt:ScenarioForecastMember2024-05-012024-05-010000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberfhn:VariableRateBasisSpreadPercentageOneMemberus-gaap:SeriesDPreferredStockMembersrt:ScenarioForecastMember2024-05-012024-05-010000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberfhn:VariableRateBasisSpreadPercentageTwoMemberus-gaap:SeriesDPreferredStockMembersrt:ScenarioForecastMember2024-05-012024-05-010000036966fhn:SeriesGConvertiblePreferredStockMemberfhn:TDTransactionMember2022-02-282022-02-280000036966fhn:SeriesGConvertiblePreferredStockMemberfhn:TDTransactionMember2022-02-280000036966us-gaap:PreferredClassAMember2023-03-310000036966us-gaap:LondonInterbankOfferedRateLIBORMemberus-gaap:PreferredClassAMember2023-01-012023-03-310000036966us-gaap:PreferredClassAMember2023-01-012023-03-310000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:PreferredClassAMember2023-01-012023-03-310000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberfhn:VariableRateBasisSpreadPercentageOneMemberus-gaap:PreferredClassAMember2023-01-012023-03-310000036966us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberfhn:VariableRateBasisSpreadPercentageTwoMemberus-gaap:PreferredClassAMember2023-01-012023-03-310000036966us-gaap:SubsequentEventMemberus-gaap:PreferredClassAMember2023-07-012023-07-010000036966us-gaap:PreferredClassAMember2022-12-310000036966us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember2022-12-310000036966us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember2022-12-310000036966us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2022-12-310000036966us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember2023-01-012023-03-310000036966us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember2023-01-012023-03-310000036966us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2023-01-012023-03-310000036966us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember2023-03-310000036966us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember2023-03-310000036966us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2023-03-310000036966us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember2021-12-310000036966us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember2021-12-310000036966us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2021-12-310000036966us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember2022-01-012022-03-310000036966us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember2022-01-012022-03-310000036966us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2022-01-012022-03-310000036966us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember2022-03-310000036966us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember2022-03-310000036966us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember2022-03-310000036966us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2023-01-012023-03-310000036966us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-01-012022-03-310000036966us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2023-01-012023-03-310000036966us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-01-012022-03-310000036966us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2023-01-012023-03-310000036966us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-01-012022-03-310000036966us-gaap:EmployeeStockOptionMember2023-01-012023-03-310000036966us-gaap:EmployeeStockOptionMember2022-01-012022-03-310000036966fhn:OtherEquityAwardsMember2023-01-012023-03-310000036966fhn:OtherEquityAwardsMember2022-01-012022-03-310000036966srt:MinimumMember2023-03-310000036966srt:MaximumMember2023-03-310000036966us-gaap:QualifiedPlanMemberus-gaap:PensionPlansDefinedBenefitMember2023-01-012023-03-310000036966us-gaap:NonqualifiedPlanMemberus-gaap:PensionPlansDefinedBenefitMember2022-01-012022-12-310000036966us-gaap:NonqualifiedPlanMemberus-gaap:PensionPlansDefinedBenefitMember2023-03-310000036966us-gaap:PensionPlansDefinedBenefitMember2023-01-012023-03-310000036966us-gaap:PensionPlansDefinedBenefitMember2022-01-012022-03-310000036966us-gaap:CorporateMember2023-01-012023-03-310000036966fhn:RegionalBankingMember2022-01-012022-03-310000036966fhn:FixedIncomeMember2022-01-012022-03-310000036966us-gaap:CorporateMember2022-01-012022-03-310000036966fhn:TDTransactionMemberus-gaap:CorporateMember2023-01-012023-03-310000036966fhn:BKCMergerAndTDMergerAgreementMemberus-gaap:CorporateMember2022-01-012022-03-310000036966fhn:UnderwritingPortfolioAdvisoryandOtherNoninterestIncomeMember2022-01-012022-03-310000036966fhn:UnderwritingPortfolioAdvisoryandOtherNoninterestIncomeMember2023-01-012023-03-310000036966us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2023-03-310000036966us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2022-12-310000036966fhn:LowIncomeHousingTaxCreditsMemberMember2023-01-012023-03-310000036966fhn:LowIncomeHousingTaxCreditsMemberMember2022-01-012022-03-310000036966fhn:OtherTaxBenefitsRelatedToQualifyingLihtcInvestmentsMember2023-01-012023-03-310000036966fhn:OtherTaxBenefitsRelatedToQualifyingLihtcInvestmentsMember2022-01-012022-03-310000036966fhn:LowIncomeHousingPartnershipsMember2023-03-310000036966fhn:LowIncomeHousingPartnershipsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-03-310000036966fhn:OtherTaxCreditInvestmentsMember2023-03-310000036966fhn:OtherTaxCreditInvestmentsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-03-310000036966fhn:SmallIssuerTrustPreferredHoldingsMember2023-03-310000036966fhn:SmallIssuerTrustPreferredHoldingsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-03-310000036966fhn:OnBalanceSheetTrustPreferredSecuritizationMember2023-03-310000036966fhn:OnBalanceSheetTrustPreferredSecuritizationMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-03-310000036966fhn:HoldingsOfAgencyMortgageBackedSecuritiesMember2023-03-310000036966fhn:HoldingsOfAgencyMortgageBackedSecuritiesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-03-310000036966fhn:CommercialLoanModificationsToBorrowersExperiencingFinancialDifficultyMember2023-03-310000036966us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfhn:CommercialLoanModificationsToBorrowersExperiencingFinancialDifficultyMember2023-03-310000036966fhn:ProprietaryTrustPreferredIssuancesMember2023-03-310000036966fhn:ProprietaryTrustPreferredIssuancesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-03-310000036966us-gaap:OtherAssetsMemberfhn:LowIncomeHousingPartnershipsMember2023-03-310000036966us-gaap:OtherAssetsMemberfhn:CommercialLoanModificationsToBorrowersExperiencingFinancialDifficultyMember2023-03-310000036966fhn:LowIncomeHousingPartnershipsMember2022-12-310000036966fhn:LowIncomeHousingPartnershipsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-12-310000036966fhn:OtherTaxCreditInvestmentsMember2022-12-310000036966fhn:OtherTaxCreditInvestmentsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-12-310000036966fhn:SmallIssuerTrustPreferredHoldingsMember2022-12-310000036966fhn:SmallIssuerTrustPreferredHoldingsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-12-310000036966fhn:OnBalanceSheetTrustPreferredSecuritizationMember2022-12-310000036966fhn:OnBalanceSheetTrustPreferredSecuritizationMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-12-310000036966fhn:HoldingsOfAgencyMortgageBackedSecuritiesMember2022-12-310000036966fhn:HoldingsOfAgencyMortgageBackedSecuritiesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-12-310000036966fhn:CommercialLoanTroubledDebtRestructuringsMember2022-12-310000036966us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfhn:CommercialLoanTroubledDebtRestructuringsMember2022-12-310000036966fhn:ProprietaryTrustPreferredIssuancesMember2022-12-310000036966fhn:ProprietaryTrustPreferredIssuancesMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-12-310000036966us-gaap:OtherAssetsMemberfhn:LowIncomeHousingPartnershipsMember2022-12-310000036966us-gaap:OtherAssetsMemberfhn:CommercialLoanTroubledDebtRestructuringsMember2022-12-310000036966fhn:CommercialLoanTroubledDebtRestructuringsMember2022-03-310000036966fhn:CounterpartiesMember2023-03-310000036966fhn:CounterpartiesMember2022-12-310000036966fhn:CustomerInterestRateContractsMember2023-03-310000036966fhn:OffsettingUpstreamInterestRateContractsMember2023-03-310000036966us-gaap:LongMemberus-gaap:PutOptionMember2023-03-310000036966fhn:ForwardsAndFuturesPurchasedMember2023-03-310000036966fhn:ForwardsAndFuturesSoldMember2023-03-310000036966fhn:CustomerInterestRateContractsMember2022-12-310000036966fhn:OffsettingUpstreamInterestRateContractsMember2022-12-310000036966us-gaap:LongMemberus-gaap:PutOptionMember2022-12-310000036966fhn:ForwardsAndFuturesPurchasedMember2022-12-310000036966fhn:ForwardsAndFuturesSoldMember2022-12-310000036966fhn:CustomerInterestRateContractsMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:CustomerInterestRateContractsHedgingMember2023-03-310000036966us-gaap:DesignatedAsHedgingInstrumentMemberfhn:CustomerInterestRateContractsHedgingMemberfhn:OffsettingUpstreamInterestRateContractsMember2023-03-310000036966fhn:CustomerInterestRateContractsMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:CustomerInterestRateContractsHedgingMember2022-12-310000036966us-gaap:DesignatedAsHedgingInstrumentMemberfhn:CustomerInterestRateContractsHedgingMemberfhn:OffsettingUpstreamInterestRateContractsMember2022-12-310000036966fhn:CustomerInterestRateContractsMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:CustomerInterestRateContractsHedgingMember2023-01-012023-03-310000036966fhn:CustomerInterestRateContractsMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:CustomerInterestRateContractsHedgingMember2022-01-012022-03-310000036966us-gaap:DesignatedAsHedgingInstrumentMemberfhn:CustomerInterestRateContractsHedgingMemberfhn:OffsettingUpstreamInterestRateContractsMember2023-01-012023-03-310000036966us-gaap:DesignatedAsHedgingInstrumentMemberfhn:CustomerInterestRateContractsHedgingMemberfhn:OffsettingUpstreamInterestRateContractsMember2022-01-012022-03-310000036966us-gaap:InterestRateSwapMemberus-gaap:CashFlowHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-03-310000036966us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-03-310000036966us-gaap:InterestRateSwapMemberus-gaap:CashFlowHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2022-12-310000036966us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2022-12-310000036966us-gaap:InterestRateSwapMemberus-gaap:CashFlowHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-01-012023-03-310000036966us-gaap:InterestRateSwapMemberus-gaap:CashFlowHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2022-01-012022-03-310000036966us-gaap:CashFlowHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-01-012023-03-310000036966us-gaap:CashFlowHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2022-01-012022-03-310000036966fhn:InterestRateLockMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:MortgageBankingHedgesMember2023-03-310000036966fhn:ForwardContractsWrittenMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:MortgageBankingHedgesMember2023-03-310000036966fhn:InterestRateLockMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:MortgageBankingHedgesMember2022-12-310000036966fhn:ForwardContractsWrittenMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:MortgageBankingHedgesMember2022-12-310000036966fhn:InterestRateLockMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:MortgageBankingHedgesMember2023-01-012023-03-310000036966fhn:InterestRateLockMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:MortgageBankingHedgesMember2022-01-012022-03-310000036966fhn:ForwardContractsWrittenMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:MortgageBankingHedgesMember2023-01-012023-03-310000036966fhn:ForwardContractsWrittenMemberus-gaap:DesignatedAsHedgingInstrumentMemberfhn:MortgageBankingHedgesMember2022-01-012022-03-310000036966fhn:VisaClassBSharesMember2023-03-310000036966fhn:VisaClassBSharesMember2022-12-310000036966fhn:VisaClassBSharesMember2022-01-012022-12-310000036966us-gaap:CreditRiskContractMember2023-03-310000036966us-gaap:CreditRiskContractMember2022-12-310000036966fhn:AdditionalDerivativeAgreementsMemberfhn:DerivativeInstrumentsWithAdjustableCollateralPostingThresholdsMember2023-03-310000036966fhn:AdditionalDerivativeAgreementsMemberfhn:DerivativeInstrumentsWithAdjustableCollateralPostingThresholdsMember2022-12-310000036966fhn:AdditionalDerivativeAgreementsMemberfhn:DerivativeInstrumentsWithAcceleratedTerminationProvisionsMember2023-03-310000036966fhn:AdditionalDerivativeAgreementsMemberfhn:DerivativeInstrumentsWithAcceleratedTerminationProvisionsMember2022-12-310000036966us-gaap:InterestRateContractMember2023-03-310000036966us-gaap:ForwardContractsMember2023-03-310000036966us-gaap:InterestRateContractMember2022-12-310000036966us-gaap:ForwardContractsMember2022-12-310000036966us-gaap:MortgageBackedSecuritiesMemberus-gaap:MaturityOvernightMember2023-03-310000036966us-gaap:MortgageBackedSecuritiesMemberfhn:MaturityLessThan30DaysMember2023-03-310000036966us-gaap:MortgageBackedSecuritiesMember2023-03-310000036966us-gaap:CollateralizedMortgageObligationsMemberus-gaap:MaturityOvernightMember2023-03-310000036966us-gaap:CollateralizedMortgageObligationsMemberfhn:MaturityLessThan30DaysMember2023-03-310000036966us-gaap:MaturityOvernightMember2023-03-310000036966fhn:MaturityLessThan30DaysMember2023-03-310000036966us-gaap:USTreasurySecuritiesMemberus-gaap:MaturityOvernightMember2022-12-310000036966us-gaap:USTreasurySecuritiesMemberfhn:MaturityLessThan30DaysMember2022-12-310000036966us-gaap:USTreasurySecuritiesMember2022-12-310000036966us-gaap:MortgageBackedSecuritiesMemberus-gaap:MaturityOvernightMember2022-12-310000036966us-gaap:MortgageBackedSecuritiesMemberfhn:MaturityLessThan30DaysMember2022-12-310000036966us-gaap:MortgageBackedSecuritiesMember2022-12-310000036966us-gaap:CollateralizedMortgageObligationsMemberus-gaap:MaturityOvernightMember2022-12-310000036966us-gaap:CollateralizedMortgageObligationsMemberfhn:MaturityLessThan30DaysMember2022-12-310000036966us-gaap:MaturityOvernightMemberfhn:OtherUSGovernmentAgenciesMember2022-12-310000036966fhn:OtherUSGovernmentAgenciesMemberfhn:MaturityLessThan30DaysMember2022-12-310000036966us-gaap:MaturityOvernightMember2022-12-310000036966fhn:MaturityLessThan30DaysMember2022-12-310000036966us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMember2023-03-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberfhn:FixedIncomeMember2023-03-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMemberus-gaap:CorporateDebtSecuritiesMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMemberus-gaap:CorporateDebtSecuritiesMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMemberus-gaap:CorporateDebtSecuritiesMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMemberus-gaap:CorporateDebtSecuritiesMember2023-03-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMember2023-03-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMember2023-03-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DeferredCompensationAssetsMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DeferredCompensationAssetsMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DeferredCompensationAssetsMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DeferredCompensationAssetsMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:EquityMutualFundsAndOtherMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:EquityMutualFundsAndOtherMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:EquityMutualFundsAndOtherMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:EquityMutualFundsAndOtherMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesForwardsAndFuturesMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesForwardsAndFuturesMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesForwardsAndFuturesMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesForwardsAndFuturesMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:InterestRateContractMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:InterestRateContractMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateContractMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateContractMember2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesOtherMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesOtherMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesOtherMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesOtherMember2023-03-310000036966us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMember2022-12-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberfhn:FixedIncomeMember2022-12-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMemberus-gaap:CorporateDebtSecuritiesMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMemberus-gaap:CorporateDebtSecuritiesMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMemberus-gaap:CorporateDebtSecuritiesMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMemberus-gaap:CorporateDebtSecuritiesMember2022-12-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:FixedIncomeMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMember2022-12-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CollateralizedMortgageObligationsMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMember2022-12-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DeferredCompensationAssetsMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DeferredCompensationAssetsMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DeferredCompensationAssetsMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DeferredCompensationAssetsMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberfhn:EquityMutualFundsAndOtherMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:EquityMutualFundsAndOtherMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:EquityMutualFundsAndOtherMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:EquityMutualFundsAndOtherMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesForwardsAndFuturesMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesForwardsAndFuturesMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesForwardsAndFuturesMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesForwardsAndFuturesMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:InterestRateContractMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:InterestRateContractMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateContractMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateContractMember2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesOtherMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesOtherMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesOtherMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:FairValueMeasurementsRecurringMemberfhn:DerivativesOtherMember2022-12-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966fhn:LoansHeldForSaleMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Member2023-01-012023-03-310000036966fhn:LoansHeldForSaleMemberus-gaap:FairValueInputsLevel3Member2023-01-012023-03-310000036966us-gaap:FairValueInputsLevel3Member2023-01-012023-03-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966fhn:LoansHeldForSaleMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Member2021-12-310000036966fhn:LoansHeldForSaleMemberus-gaap:FairValueInputsLevel3Member2021-12-310000036966us-gaap:FairValueInputsLevel3Member2021-12-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Member2022-01-012022-03-310000036966fhn:LoansHeldForSaleMemberus-gaap:FairValueInputsLevel3Member2022-01-012022-03-310000036966us-gaap:FairValueInputsLevel3Member2022-01-012022-03-310000036966us-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Member2022-03-310000036966fhn:LoansHeldForSaleMemberus-gaap:FairValueInputsLevel3Member2022-03-310000036966us-gaap:FairValueInputsLevel3Member2022-03-310000036966us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsNonrecurringMemberfhn:SmallBusinessAdministrationAndUSDAMember2023-03-310000036966us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsNonrecurringMemberfhn:SmallBusinessAdministrationAndUSDAMember2023-03-310000036966us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMemberfhn:SmallBusinessAdministrationAndUSDAMember2023-03-310000036966us-gaap:FairValueMeasurementsNonrecurringMemberfhn:SmallBusinessAdministrationAndUSDAMember2023-03-310000036966us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsNonrecurringMember2023-03-310000036966us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsNonrecurringMember2023-03-310000036966us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2023-03-310000036966us-gaap:FairValueMeasurementsNonrecurringMember2023-03-310000036966us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsNonrecurringMemberfhn:SmallBusinessAdministrationAndUSDAMember2022-12-310000036966us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsNonrecurringMemberfhn:SmallBusinessAdministrationAndUSDAMember2022-12-310000036966us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMemberfhn:SmallBusinessAdministrationAndUSDAMember2022-12-310000036966us-gaap:FairValueMeasurementsNonrecurringMemberfhn:SmallBusinessAdministrationAndUSDAMember2022-12-310000036966us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsNonrecurringMember2022-12-310000036966us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsNonrecurringMember2022-12-310000036966us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2022-12-310000036966us-gaap:FairValueMeasurementsNonrecurringMember2022-12-310000036966fhn:SmallBusinessAdministrationsMemberus-gaap:FairValueMeasurementsNonrecurringMember2023-01-012023-03-310000036966fhn:SmallBusinessAdministrationsMemberus-gaap:FairValueMeasurementsNonrecurringMember2022-01-012022-03-310000036966us-gaap:FairValueMeasurementsNonrecurringMember2023-01-012023-03-310000036966us-gaap:FairValueMeasurementsNonrecurringMember2022-01-012022-03-310000036966fhn:TradingSecuritiesMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966srt:MinimumMemberfhn:TradingSecuritiesMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MaximumMemberfhn:TradingSecuritiesMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:WeightedAverageMemberfhn:TradingSecuritiesMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966fhn:MeasurementInputBondEquivalentYieldMembersrt:MinimumMemberfhn:TradingSecuritiesMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MaximumMemberfhn:MeasurementInputBondEquivalentYieldMemberfhn:TradingSecuritiesMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966fhn:MeasurementInputBondEquivalentYieldMembersrt:WeightedAverageMemberfhn:TradingSecuritiesMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966us-gaap:ResidentialRealEstateMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966srt:MinimumMemberus-gaap:FirstMortgageMemberus-gaap:MeasurementInputPrepaymentRateMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MaximumMemberus-gaap:FirstMortgageMemberus-gaap:MeasurementInputPrepaymentRateMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966us-gaap:FirstMortgageMembersrt:WeightedAverageMemberus-gaap:MeasurementInputPrepaymentRateMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966us-gaap:ResidentialRealEstateMembersrt:MinimumMemberfhn:MeasurementInputForeclosureLossesMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MaximumMemberus-gaap:ResidentialRealEstateMemberfhn:MeasurementInputForeclosureLossesMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966us-gaap:ResidentialRealEstateMembersrt:WeightedAverageMemberfhn:MeasurementInputForeclosureLossesMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MinimumMemberus-gaap:FirstMortgageMemberus-gaap:MeasurementInputLossSeverityMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MaximumMemberus-gaap:FirstMortgageMemberus-gaap:MeasurementInputLossSeverityMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966us-gaap:FirstMortgageMemberus-gaap:MeasurementInputLossSeverityMembersrt:WeightedAverageMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MinimumMemberfhn:MeasurementInputVisaCoveredLitigationResolutionAmountMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MaximumMemberfhn:MeasurementInputVisaCoveredLitigationResolutionAmountMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966fhn:MeasurementInputVisaCoveredLitigationResolutionAmountMembersrt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MinimumMemberfhn:MeasurementInputProbabilityOfResolutionScenariosMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MaximumMemberfhn:MeasurementInputProbabilityOfResolutionScenariosMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:WeightedAverageMemberfhn:MeasurementInputProbabilityOfResolutionScenariosMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MinimumMemberfhn:TimeUntilResolutionMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-31fhn:month0000036966srt:MaximumMemberfhn:TimeUntilResolutionMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:WeightedAverageMemberfhn:TimeUntilResolutionMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MinimumMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberfhn:MeasurementInputMarketabilityAdjustmentsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966srt:MaximumMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberfhn:MeasurementInputMarketabilityAdjustmentsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966fhn:MeasurementInputBorrowingBaseCertificateAdjustmentMembersrt:MinimumMemberfhn:ValuationTechniqueOtherCollateralValuationsMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966fhn:MeasurementInputBorrowingBaseCertificateAdjustmentMembersrt:MaximumMemberfhn:ValuationTechniqueOtherCollateralValuationsMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966srt:MinimumMemberfhn:ValuationTechniqueOtherCollateralValuationsMemberfhn:MeasurementInputFinancialStatementsAuctionValuesAdjustmentMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966srt:MaximumMemberfhn:ValuationTechniqueOtherCollateralValuationsMemberfhn:MeasurementInputFinancialStatementsAuctionValuesAdjustmentMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966srt:MinimumMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberus-gaap:FairValueInputsLevel3Memberfhn:MeasurementInputAdjustmentForValueChangesSinceAppraisalMember2023-03-310000036966srt:MaximumMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberus-gaap:FairValueInputsLevel3Memberfhn:MeasurementInputAdjustmentForValueChangesSinceAppraisalMember2023-03-310000036966fhn:OtherAssetsTaxCreditInvestmentsMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966srt:MinimumMemberfhn:OtherAssetsTaxCreditInvestmentsMemberfhn:MeasurementInputAdjustmentsToCurrentSalesYieldsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MaximumMemberfhn:OtherAssetsTaxCreditInvestmentsMemberfhn:MeasurementInputAdjustmentsToCurrentSalesYieldsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-03-310000036966srt:MinimumMemberfhn:OtherAssetsTaxCreditInvestmentsMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberfhn:MeasurementInputMarketabilityAdjustmentsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966srt:MaximumMemberfhn:OtherAssetsTaxCreditInvestmentsMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberfhn:MeasurementInputMarketabilityAdjustmentsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966fhn:TradingSecuritiesMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966srt:MinimumMemberfhn:TradingSecuritiesMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MaximumMemberfhn:TradingSecuritiesMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:WeightedAverageMemberfhn:TradingSecuritiesMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966fhn:MeasurementInputBondEquivalentYieldMembersrt:MinimumMemberfhn:TradingSecuritiesMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966fhn:MeasurementInputBondEquivalentYieldMembersrt:WeightedAverageMemberfhn:TradingSecuritiesMemberus-gaap:InterestOnlyStripMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966us-gaap:ResidentialRealEstateMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966srt:MinimumMemberus-gaap:FirstMortgageMemberus-gaap:MeasurementInputPrepaymentRateMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MaximumMemberus-gaap:FirstMortgageMemberus-gaap:MeasurementInputPrepaymentRateMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966us-gaap:FirstMortgageMembersrt:WeightedAverageMemberus-gaap:MeasurementInputPrepaymentRateMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966us-gaap:ResidentialRealEstateMembersrt:MinimumMemberfhn:MeasurementInputForeclosureLossesMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MaximumMemberus-gaap:ResidentialRealEstateMemberfhn:MeasurementInputForeclosureLossesMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966us-gaap:ResidentialRealEstateMembersrt:WeightedAverageMemberfhn:MeasurementInputForeclosureLossesMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MinimumMemberus-gaap:FirstMortgageMemberus-gaap:MeasurementInputLossSeverityMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MaximumMemberus-gaap:FirstMortgageMemberus-gaap:MeasurementInputLossSeverityMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966us-gaap:FirstMortgageMemberus-gaap:MeasurementInputLossSeverityMembersrt:WeightedAverageMemberfhn:LoansHeldForSaleResidentialRealEstateMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MinimumMemberfhn:MeasurementInputVisaCoveredLitigationResolutionAmountMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MaximumMemberfhn:MeasurementInputVisaCoveredLitigationResolutionAmountMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966fhn:MeasurementInputVisaCoveredLitigationResolutionAmountMembersrt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MinimumMemberfhn:MeasurementInputProbabilityOfResolutionScenariosMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MaximumMemberfhn:MeasurementInputProbabilityOfResolutionScenariosMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:WeightedAverageMemberfhn:MeasurementInputProbabilityOfResolutionScenariosMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MinimumMemberfhn:TimeUntilResolutionMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MaximumMemberfhn:TimeUntilResolutionMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:WeightedAverageMemberfhn:TimeUntilResolutionMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MinimumMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberfhn:MeasurementInputMarketabilityAdjustmentsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966srt:MaximumMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberfhn:MeasurementInputMarketabilityAdjustmentsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966fhn:MeasurementInputBorrowingBaseCertificateAdjustmentMembersrt:MinimumMemberfhn:ValuationTechniqueOtherCollateralValuationsMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966fhn:MeasurementInputBorrowingBaseCertificateAdjustmentMembersrt:MaximumMemberfhn:ValuationTechniqueOtherCollateralValuationsMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966srt:MinimumMemberfhn:ValuationTechniqueOtherCollateralValuationsMemberfhn:MeasurementInputFinancialStatementsAuctionValuesAdjustmentMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966srt:MaximumMemberfhn:ValuationTechniqueOtherCollateralValuationsMemberfhn:MeasurementInputFinancialStatementsAuctionValuesAdjustmentMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966srt:MinimumMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberus-gaap:FairValueInputsLevel3Memberfhn:MeasurementInputAdjustmentForValueChangesSinceAppraisalMember2022-12-310000036966srt:MaximumMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberus-gaap:FairValueInputsLevel3Memberfhn:MeasurementInputAdjustmentForValueChangesSinceAppraisalMember2022-12-310000036966fhn:OtherAssetsTaxCreditInvestmentsMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966srt:MinimumMemberfhn:OtherAssetsTaxCreditInvestmentsMemberfhn:MeasurementInputAdjustmentsToCurrentSalesYieldsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MaximumMemberfhn:OtherAssetsTaxCreditInvestmentsMemberfhn:MeasurementInputAdjustmentsToCurrentSalesYieldsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMember2022-12-310000036966srt:MinimumMemberfhn:OtherAssetsTaxCreditInvestmentsMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberfhn:MeasurementInputMarketabilityAdjustmentsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966srt:MaximumMemberfhn:OtherAssetsTaxCreditInvestmentsMemberfhn:ValuationTechniqueAppraisalsFromComparablePropertiesMemberfhn:MeasurementInputMarketabilityAdjustmentsForSpecificPropertiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperationsMember2023-03-310000036966us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperationsMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2023-03-310000036966us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperationsMember2022-12-310000036966us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperationsMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2022-12-310000036966fhn:LoansHeldForSaleMemberfhn:MortgageBankingNoninterestIncomeMember2023-01-012023-03-310000036966fhn:LoansHeldForSaleMemberfhn:MortgageBankingNoninterestIncomeMember2022-01-012022-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMember2023-03-310000036966us-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Memberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Memberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Memberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:CarryingReportedAmountFairValueDisclosureMemberfhn:ConsumerRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Memberfhn:ConsumerRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:ConsumerRealEstatePortfolioSegmentMember2023-03-310000036966us-gaap:CarryingReportedAmountFairValueDisclosureMemberfhn:CreditCardAndOtherPortfolioSegmentMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Memberfhn:CreditCardAndOtherPortfolioSegmentMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CreditCardAndOtherPortfolioSegmentMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CreditCardAndOtherPortfolioSegmentMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CreditCardAndOtherPortfolioSegmentMember2023-03-310000036966us-gaap:CarryingReportedAmountFairValueDisclosureMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMember2023-03-310000036966us-gaap:ResidentialMortgageMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:ResidentialMortgageMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:ResidentialMortgageMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:ResidentialMortgageMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:ResidentialMortgageMember2023-03-310000036966us-gaap:CarryingReportedAmountFairValueDisclosureMemberfhn:GovernmentGuaranteedLoansSBAandUSDAMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Memberfhn:GovernmentGuaranteedLoansSBAandUSDAMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:GovernmentGuaranteedLoansSBAandUSDAMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:GovernmentGuaranteedLoansSBAandUSDAMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:GovernmentGuaranteedLoansSBAandUSDAMember2023-03-310000036966fhn:MortgageLoanLOCOMMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:MortgageLoanLOCOMMemberus-gaap:FairValueInputsLevel1Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:MortgageLoanLOCOMMemberus-gaap:FairValueInputsLevel2Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:MortgageLoanLOCOMMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:MortgageLoanLOCOMMember2023-03-310000036966fhn:FhlbCincinnatiStockMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966fhn:FrbStockMemberus-gaap:FairValueInputsLevel3Member2023-03-310000036966fhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CommercialFinancialAndIndustrialPortfolioSegmentMember2022-12-310000036966us-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Memberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Memberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Memberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2022-12-310000036966us-gaap:CarryingReportedAmountFairValueDisclosureMemberfhn:ConsumerRealEstatePortfolioSegmentMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Memberfhn:ConsumerRealEstatePortfolioSegmentMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:ConsumerRealEstatePortfolioSegmentMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:ConsumerRealEstatePortfolioSegmentMember2022-12-310000036966us-gaap:CarryingReportedAmountFairValueDisclosureMemberfhn:CreditCardAndOtherPortfolioSegmentMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Memberfhn:CreditCardAndOtherPortfolioSegmentMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CreditCardAndOtherPortfolioSegmentMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CreditCardAndOtherPortfolioSegmentMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:CreditCardAndOtherPortfolioSegmentMember2022-12-310000036966us-gaap:CarryingReportedAmountFairValueDisclosureMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMember2022-12-310000036966us-gaap:ResidentialMortgageMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:ResidentialMortgageMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:ResidentialMortgageMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:ResidentialMortgageMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:ResidentialMortgageMember2022-12-310000036966us-gaap:CarryingReportedAmountFairValueDisclosureMemberfhn:GovernmentGuaranteedLoansSBAandUSDAMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel1Memberfhn:GovernmentGuaranteedLoansSBAandUSDAMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:GovernmentGuaranteedLoansSBAandUSDAMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:GovernmentGuaranteedLoansSBAandUSDAMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:GovernmentGuaranteedLoansSBAandUSDAMember2022-12-310000036966fhn:MortgageLoanLOCOMMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:MortgageLoanLOCOMMemberus-gaap:FairValueInputsLevel1Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:MortgageLoanLOCOMMemberus-gaap:FairValueInputsLevel2Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:MortgageLoanLOCOMMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:EstimateOfFairValueFairValueDisclosureMemberfhn:MortgageLoanLOCOMMember2022-12-310000036966fhn:FhlbCincinnatiStockMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966fhn:FrbStockMemberus-gaap:FairValueInputsLevel3Member2022-12-310000036966us-gaap:PortionAtOtherThanFairValueFairValueDisclosureMember2023-03-310000036966us-gaap:PortionAtOtherThanFairValueFairValueDisclosureMember2022-12-310000036966us-gaap:SubsequentEventMemberfhn:TDTransactionMember2023-05-040000036966fhn:SeriesGConvertiblePreferredStockMemberfhn:TDTransactionMembersrt:ScenarioForecastMember2023-05-040000036966fhn:SeriesGConvertiblePreferredStockMemberfhn:TDTransactionMember2023-03-31