10-Q 1 fcnca-20240331.htm 10-Q fcnca-20240331
FIRST CITIZENS BANCSHARES INC /DE/000079894112/312024Q1FALSEP5YP2D220232027489400214152059030049053000671910126000000149212290120306800582906000000310000060000000006058http://fasb.org/us-gaap/2023#OtherAssetshttp://fasb.org/us-gaap/2023#OtherAssetshttp://fasb.org/us-gaap/2023#PropertyPlantAndEquipmentExcludingLessorAssetUnderOperatingLeaseAfterAccumulatedDepreciationhttp://fasb.org/us-gaap/2023#PropertyPlantAndEquipmentExcludingLessorAssetUnderOperatingLeaseAfterAccumulatedDepreciationhttp://fasb.org/us-gaap/2023#OtherLiabilitieshttp://fasb.org/us-gaap/2023#OtherLiabilitieshttp://fasb.org/us-gaap/2023#OtherBorrowingshttp://fasb.org/us-gaap/2023#OtherBorrowingsxbrli:sharesiso4217:USDiso4217:USDxbrli:sharesxbrli:purefcnca:securityfcnca:entity00007989412024-01-012024-03-310000798941us-gaap:CommonClassAMember2024-01-012024-03-310000798941fcnca:DepositarySharesMember2024-01-012024-03-310000798941us-gaap:SeriesCPreferredStockMember2024-01-012024-03-310000798941us-gaap:CommonClassAMember2024-04-300000798941us-gaap:CommonClassBMember2024-04-3000007989412024-03-3100007989412023-12-310000798941us-gaap:CommonClassAMember2023-12-310000798941us-gaap:CommonClassAMember2024-03-310000798941us-gaap:CommonClassBMember2023-12-310000798941us-gaap:CommonClassBMember2024-03-3100007989412023-01-012023-03-310000798941us-gaap:FinancialServiceOtherMember2024-01-012024-03-310000798941us-gaap:FinancialServiceOtherMember2023-01-012023-03-310000798941fcnca:ClientInvestmentServiceMember2024-01-012024-03-310000798941fcnca:ClientInvestmentServiceMember2023-01-012023-03-310000798941us-gaap:AssetManagement1Member2024-01-012024-03-310000798941us-gaap:AssetManagement1Member2023-01-012023-03-310000798941fcnca:InternationalFeesMember2024-01-012024-03-310000798941fcnca:InternationalFeesMember2023-01-012023-03-310000798941us-gaap:DepositAccountMember2024-01-012024-03-310000798941us-gaap:DepositAccountMember2023-01-012023-03-310000798941fcnca:FactoringCommissionsMember2024-01-012024-03-310000798941fcnca:FactoringCommissionsMember2023-01-012023-03-310000798941us-gaap:CreditAndDebitCardMember2024-01-012024-03-310000798941us-gaap:CreditAndDebitCardMember2023-01-012023-03-310000798941fcnca:MerchantServicesMember2024-01-012024-03-310000798941fcnca:MerchantServicesMember2023-01-012023-03-310000798941fcnca:InsuranceCommissionsMember2024-01-012024-03-310000798941fcnca:InsuranceCommissionsMember2023-01-012023-03-310000798941us-gaap:PreferredStockMember2023-12-310000798941us-gaap:CommonClassAMemberus-gaap:CommonStockMember2023-12-310000798941us-gaap:CommonClassBMemberus-gaap:CommonStockMember2023-12-310000798941us-gaap:AdditionalPaidInCapitalMember2023-12-310000798941us-gaap:RetainedEarningsMember2023-12-310000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-12-310000798941us-gaap:RetainedEarningsMember2024-01-012024-03-310000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-01-012024-03-310000798941us-gaap:AdditionalPaidInCapitalMember2024-01-012024-03-310000798941us-gaap:CommonClassAMemberus-gaap:RetainedEarningsMember2024-01-012024-03-310000798941us-gaap:CommonClassBMemberus-gaap:RetainedEarningsMember2024-01-012024-03-310000798941us-gaap:CommonClassBMember2024-01-012024-03-310000798941us-gaap:SeriesAPreferredStockMemberus-gaap:RetainedEarningsMember2024-01-012024-03-310000798941us-gaap:SeriesAPreferredStockMember2024-01-012024-03-310000798941us-gaap:SeriesBPreferredStockMemberus-gaap:RetainedEarningsMember2024-01-012024-03-310000798941us-gaap:SeriesBPreferredStockMember2024-01-012024-03-310000798941us-gaap:SeriesCPreferredStockMemberus-gaap:RetainedEarningsMember2024-01-012024-03-310000798941us-gaap:PreferredStockMember2024-03-310000798941us-gaap:CommonClassAMemberus-gaap:CommonStockMember2024-03-310000798941us-gaap:CommonClassBMemberus-gaap:CommonStockMember2024-03-310000798941us-gaap:AdditionalPaidInCapitalMember2024-03-310000798941us-gaap:RetainedEarningsMember2024-03-310000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-03-310000798941us-gaap:PreferredStockMember2022-12-310000798941us-gaap:CommonClassAMemberus-gaap:CommonStockMember2022-12-310000798941us-gaap:CommonClassBMemberus-gaap:CommonStockMember2022-12-310000798941us-gaap:AdditionalPaidInCapitalMember2022-12-310000798941us-gaap:RetainedEarningsMember2022-12-310000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-12-3100007989412022-12-310000798941us-gaap:RetainedEarningsMember2023-01-012023-03-310000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-01-012023-03-310000798941us-gaap:AdditionalPaidInCapitalMember2023-01-012023-03-310000798941us-gaap:CommonClassAMemberus-gaap:RetainedEarningsMember2023-01-012023-03-310000798941us-gaap:CommonClassAMember2023-01-012023-03-310000798941us-gaap:CommonClassBMemberus-gaap:RetainedEarningsMember2023-01-012023-03-310000798941us-gaap:CommonClassBMember2023-01-012023-03-310000798941us-gaap:SeriesAPreferredStockMemberus-gaap:RetainedEarningsMember2023-01-012023-03-310000798941us-gaap:SeriesAPreferredStockMember2023-01-012023-03-310000798941us-gaap:SeriesBPreferredStockMemberus-gaap:RetainedEarningsMember2023-01-012023-03-310000798941us-gaap:SeriesBPreferredStockMember2023-01-012023-03-310000798941us-gaap:SeriesCPreferredStockMemberus-gaap:RetainedEarningsMember2023-01-012023-03-310000798941us-gaap:SeriesCPreferredStockMember2023-01-012023-03-310000798941us-gaap:PreferredStockMember2023-03-310000798941us-gaap:CommonClassAMemberus-gaap:CommonStockMember2023-03-310000798941us-gaap:CommonClassBMemberus-gaap:CommonStockMember2023-03-310000798941us-gaap:AdditionalPaidInCapitalMember2023-03-310000798941us-gaap:RetainedEarningsMember2023-03-310000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-03-3100007989412023-03-310000798941fcnca:SiliconValleyBridgeBankNAMember2023-03-270000798941fcnca:SiliconValleyBridgeBankNAMember2023-03-272023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberfcnca:PurchaseMoneyNoteMember2023-03-272023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberfcnca:PurchaseMoneyNoteMember2023-03-270000798941fcnca:FDICCreditFacilityMember2023-03-270000798941fcnca:PurchaseMoneyNoteMember2023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberus-gaap:SecuredDebtMemberfcnca:SecuredOvernightFinancingRateMemberfcnca:FDICCreditFacilityMember2023-03-272023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberfcnca:FDICCreditFacilityMember2023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberus-gaap:SecuredDebtMemberfcnca:PurchaseMoneyNoteMember2023-03-270000798941fcnca:SiliconValleyBridgeBankNAMember2023-04-042023-04-040000798941fcnca:SiliconValleyBridgeBankNAMemberus-gaap:CoreDepositsMember2023-03-270000798941fcnca:SiliconValleyBridgeBankNAMember2023-01-012023-12-310000798941fcnca:SiliconValleyBridgeBankNAMember2023-12-310000798941fcnca:SiliconValleyBridgeBankNAMemberus-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMember2023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberus-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMember2023-03-272023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMember2023-03-272023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberus-gaap:CoreDepositsMember2023-03-272023-03-270000798941fcnca:CITGroupIncMemberus-gaap:OperatingSegmentsMember2023-01-012023-03-310000798941us-gaap:USTreasurySecuritiesMember2024-03-310000798941us-gaap:AgencySecuritiesMember2024-03-310000798941us-gaap:ResidentialMortgageBackedSecuritiesMember2024-03-310000798941us-gaap:CommercialMortgageBackedSecuritiesMember2024-03-310000798941us-gaap:CorporateDebtSecuritiesMember2024-03-310000798941us-gaap:MunicipalBondsMember2024-03-310000798941fcnca:SupranationalSecuritiesMember2024-03-310000798941us-gaap:OtherDebtSecuritiesMember2024-03-310000798941us-gaap:USTreasurySecuritiesMember2023-12-310000798941us-gaap:AgencySecuritiesMember2023-12-310000798941us-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:CorporateDebtSecuritiesMember2023-12-310000798941us-gaap:MunicipalBondsMember2023-12-310000798941fcnca:SupranationalSecuritiesMember2023-12-310000798941us-gaap:OtherDebtSecuritiesMember2023-12-310000798941us-gaap:CommonClassBMemberfcnca:VisaIncMember2024-03-310000798941us-gaap:FinancialAssetPastDueMember2024-03-310000798941us-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:AgencySecuritiesMember2024-03-310000798941us-gaap:AgencySecuritiesMember2023-12-310000798941us-gaap:ResidentialMortgageBackedSecuritiesMember2024-03-310000798941us-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:CommercialMortgageBackedSecuritiesMember2024-03-310000798941us-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:USTreasurySecuritiesMember2024-03-310000798941us-gaap:CorporateBondSecuritiesMember2024-03-310000798941us-gaap:USTreasurySecuritiesMember2023-12-310000798941us-gaap:CorporateBondSecuritiesMember2023-12-310000798941us-gaap:USTreasuryAndGovernmentMember2024-03-310000798941us-gaap:AssetPledgedAsCollateralMember2024-03-310000798941us-gaap:AssetPledgedAsCollateralMember2023-12-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941us-gaap:UnfundedLoanCommitmentMember2024-01-012024-03-310000798941us-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMember2024-03-310000798941us-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMember2023-12-310000798941us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMember2024-03-310000798941us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMember2023-12-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ResidentialMortgageMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetPastDueMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:RevolvingMortgageMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberfcnca:RevolvingMortgageMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfcnca:RevolvingMortgageMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMemberfcnca:RevolvingMortgageMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:AutomobileLoanMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancialAssetPastDueMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:ConsumerLoanOtherMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancialAssetPastDueMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:GlobalFundBankingMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancialAssetPastDueMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:InvestorDependentEarlyStageMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancialAssetPastDueMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberus-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancialAssetPastDueMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMember2024-03-310000798941us-gaap:FinancingReceivables60To89DaysPastDueMember2024-03-310000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-03-310000798941us-gaap:FinancialAssetNotPastDueMember2024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:ConstructionLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:ConstructionLoansMemberus-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ResidentialMortgageMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:RevolvingMortgageMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberfcnca:RevolvingMortgageMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfcnca:RevolvingMortgageMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMemberfcnca:RevolvingMortgageMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:AutomobileLoanMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:ConsumerLoanOtherMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:GlobalFundBankingMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:InvestorDependentEarlyStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberus-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMember2023-12-3100007989412023-01-012023-12-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMember2024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:SubstandardMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:DoubtfulMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:ConstructionLoansMemberfcnca:UngradedMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMember2024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:SubstandardMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:DoubtfulMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberfcnca:UngradedMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMember2024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:SubstandardMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:DoubtfulMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:UngradedMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMember2024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:SubstandardMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:DoubtfulMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberfcnca:UngradedMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMember2024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:SubstandardMemberfcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:DoubtfulMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:FinancingReceivableLeasesMemberfcnca:UngradedMemberus-gaap:CommercialPortfolioSegmentMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:PassMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:SpecialMentionMember2024-03-310000798941us-gaap:SubstandardMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:DoubtfulMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMemberfcnca:GlobalFundBankingMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:PassMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:SpecialMentionMember2024-03-310000798941us-gaap:SubstandardMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:DoubtfulMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberfcnca:UngradedMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PassMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SpecialMentionMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberus-gaap:SubstandardMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:DoubtfulMember2024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:PassMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:SpecialMentionMember2024-03-310000798941us-gaap:SubstandardMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:DoubtfulMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:UngradedMember2024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMember2023-12-310000798941us-gaap:ConstructionLoansMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:SubstandardMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:ConstructionLoansMemberus-gaap:DoubtfulMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:ConstructionLoansMemberfcnca:UngradedMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMember2023-12-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:SubstandardMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:DoubtfulMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberfcnca:UngradedMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMember2023-12-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:SubstandardMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:DoubtfulMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:UngradedMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMember2023-12-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:SubstandardMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:DoubtfulMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:CommercialAndIndustrialLoanMemberfcnca:UngradedMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMember2023-12-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:SubstandardMemberfcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:DoubtfulMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:FinancingReceivableLeasesMemberfcnca:UngradedMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:PassMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:SpecialMentionMember2023-12-310000798941us-gaap:SubstandardMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:DoubtfulMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMemberfcnca:GlobalFundBankingMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:PassMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:SpecialMentionMember2023-12-310000798941us-gaap:SubstandardMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:DoubtfulMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberfcnca:UngradedMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PassMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SpecialMentionMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberus-gaap:SubstandardMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:DoubtfulMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:PassMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:SpecialMentionMember2023-12-310000798941us-gaap:SubstandardMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:DoubtfulMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:UngradedMember2023-12-310000798941us-gaap:PrincipalForgivenessMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PrincipalForgivenessMemberus-gaap:AutomobileLoanMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:PrincipalForgivenessMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:PrincipalForgivenessMember2024-01-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:PrincipalForgivenessMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2024-01-012024-03-310000798941us-gaap:PrincipalForgivenessMember2024-01-012024-03-310000798941us-gaap:PrincipalForgivenessMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PrincipalForgivenessMemberus-gaap:ResidentialMortgageMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:PrincipalForgivenessMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PrincipalForgivenessMember2023-01-012023-03-310000798941us-gaap:PrincipalForgivenessMember2023-01-012023-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberfcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:PaymentDeferralMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMemberfcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:CommercialPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:ExtendedMaturityMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PaymentDeferralMemberus-gaap:ResidentialMortgageMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityMemberfcnca:RevolvingMortgageMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PaymentDeferralMemberfcnca:RevolvingMortgageMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:ExtendedMaturityMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PaymentDeferralMemberus-gaap:AutomobileLoanMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:ExtendedMaturityMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:PaymentDeferralMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PaymentDeferralMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:ExtendedMaturityMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PaymentDeferralMemberfcnca:GlobalFundBankingMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:OtherCombinationsMemberfcnca:GlobalFundBankingMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:ExtendedMaturityMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:PaymentDeferralMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:OtherCombinationsMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2024-01-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PaymentDeferralMember2024-01-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:OtherCombinationsMember2024-01-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:ExtendedMaturityMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:PaymentDeferralMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:OtherCombinationsMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PaymentDeferralMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:OtherCombinationsMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityMember2024-01-012024-03-310000798941us-gaap:PaymentDeferralMember2024-01-012024-03-310000798941fcnca:InterestRateReductionMember2024-01-012024-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMember2024-01-012024-03-310000798941fcnca:TermExtensionAndPaymentDelayMember2024-01-012024-03-310000798941fcnca:OtherCombinationsMember2024-01-012024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OtherCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberfcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:PaymentDeferralMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OtherCombinationsMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OtherCombinationsMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:InterestRateReductionMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:ExtendedMaturityMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PaymentDeferralMemberus-gaap:ResidentialMortgageMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberfcnca:InterestRateReductionMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-03-310000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:PaymentDeferralMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:InterestRateReductionMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2023-01-012023-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PaymentDeferralMember2023-01-012023-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InterestRateReductionMember2023-01-012023-03-310000798941fcnca:InvestorDependentGrowthStageMemberus-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:OtherCombinationsMember2023-01-012023-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:ExtendedMaturityMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PaymentDeferralMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InterestRateReductionMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:OtherCombinationsMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityMember2023-01-012023-03-310000798941us-gaap:PaymentDeferralMember2023-01-012023-03-310000798941fcnca:InterestRateReductionMember2023-01-012023-03-310000798941us-gaap:ExtendedMaturityAndInterestRateReductionMember2023-01-012023-03-310000798941fcnca:OtherCombinationsMember2023-01-012023-03-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-01-012023-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:CommercialPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ResidentialMortgageMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:RevolvingMortgageMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberfcnca:RevolvingMortgageMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfcnca:RevolvingMortgageMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-04-012024-03-310000798941us-gaap:ConsumerPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:InvestorDependentEarlyStageMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-04-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberus-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-04-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-04-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-04-012024-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-04-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMember2023-04-012024-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMember2023-04-012024-03-310000798941us-gaap:FinancingReceivables60To89DaysPastDueMember2023-04-012024-03-310000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-04-012024-03-3100007989412023-04-012024-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ConstructionLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ResidentialMortgageMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-03-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-03-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-03-310000798941fcnca:InvestorDependentGrowthStageMemberus-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-03-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-03-310000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-03-310000798941us-gaap:FinancialAssetNotPastDueMember2023-01-012023-03-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-03-310000798941us-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-03-310000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-03-310000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMemberfcnca:FHLBOfAtlantaMember2024-03-310000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMemberfcnca:FHLBOfAtlantaMember2023-12-310000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMemberfcnca:FederalReserveBankMember2024-03-310000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMemberfcnca:FederalReserveBankMember2023-12-310000798941us-gaap:AssetPledgedAsCollateralMemberfcnca:FederalDepositInsuranceCorporationMember2024-03-310000798941us-gaap:AssetPledgedAsCollateralMemberfcnca:FederalDepositInsuranceCorporationMember2023-12-310000798941us-gaap:SecuredDebtMemberfcnca:FederalReserveBankOfRichmondMemberfcnca:OtherSecuredDebtMember2024-03-310000798941us-gaap:SecuredDebtMemberfcnca:FederalReserveBankOfRichmondMemberfcnca:OtherSecuredDebtMember2023-12-310000798941fcnca:PurchaseMoneyNoteMember2023-03-272023-03-270000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:PrivateBankMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:CommercialRealEstateMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:FinancingReceivableOtherMember2024-01-012024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:PrivateBankMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:CommercialRealEstateMember2023-01-012023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:FinancingReceivableOtherMember2023-01-012023-03-310000798941us-gaap:CommercialPortfolioSegmentMember2022-12-310000798941us-gaap:ConsumerPortfolioSegmentMember2022-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2022-12-310000798941us-gaap:CommercialPortfolioSegmentMember2023-03-310000798941us-gaap:ConsumerPortfolioSegmentMember2023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-03-310000798941srt:MaximumMember2024-03-310000798941srt:MinimumMember2024-03-310000798941fcnca:ExcessiveBuildingSpaceNoLongerUtilizingMembersrt:MaximumMember2024-03-310000798941us-gaap:CoreDepositsMember2023-12-310000798941us-gaap:CoreDepositsMember2024-01-012024-03-310000798941us-gaap:CoreDepositsMember2024-03-310000798941fcnca:InvestmentInQualifiedAffordableHousingProjectsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2024-03-310000798941fcnca:InvestmentInQualifiedAffordableHousingProjectsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-12-310000798941fcnca:OtherTaxCreditEquityInvestmentMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2024-03-310000798941fcnca:OtherTaxCreditEquityInvestmentMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-12-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:TaxCreditEquityInvestmentMember2024-03-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:TaxCreditEquityInvestmentMember2023-12-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:OtherUnconsolidatedInvestmentsMember2024-03-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:OtherUnconsolidatedInvestmentsMember2023-12-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2024-03-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-12-310000798941fcnca:CommitmentsToTaxCreditInvestmentsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2024-03-310000798941fcnca:CommitmentsToTaxCreditInvestmentsMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-12-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2024-01-012024-03-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-01-012023-03-310000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:SecuritiesAssetsMember2024-03-310000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:SecuritiesAssetsMember2023-12-310000798941srt:ParentCompanyMemberfcnca:FixedToFloatingSubordinatedNotesAt3375Memberus-gaap:SubordinatedDebtMember2024-03-310000798941srt:ParentCompanyMemberfcnca:FixedToFloatingSubordinatedNotesAt3375Memberus-gaap:SubordinatedDebtMember2023-12-310000798941srt:ParentCompanyMemberfcnca:JuniorSubordinatedDebenturesFCBSCCapitalTrustIIMemberus-gaap:SubordinatedDebtMember2024-03-310000798941srt:ParentCompanyMemberfcnca:JuniorSubordinatedDebenturesFCBSCCapitalTrustIIMemberus-gaap:SubordinatedDebtMember2023-12-310000798941fcnca:SeniorUnsecuredNotesAt2969Membersrt:SubsidiariesMemberus-gaap:SeniorNotesMember2024-03-310000798941fcnca:SeniorUnsecuredNotesAt2969Membersrt:SubsidiariesMemberus-gaap:SeniorNotesMember2023-12-310000798941srt:SubsidiariesMemberfcnca:FixedSeniorUnsecuredNotesAt600Memberus-gaap:SeniorNotesMember2024-03-310000798941srt:SubsidiariesMemberfcnca:FixedSeniorUnsecuredNotesAt600Memberus-gaap:SeniorNotesMember2023-12-310000798941fcnca:FixedSubordinatedNotesAt6125Membersrt:SubsidiariesMemberus-gaap:SubordinatedDebtMember2024-03-310000798941fcnca:FixedSubordinatedNotesAt6125Membersrt:SubsidiariesMemberus-gaap:SubordinatedDebtMember2023-12-310000798941srt:SubsidiariesMemberfcnca:FixedToFixedSubordinatedNotesAt4125Memberus-gaap:SubordinatedDebtMember2024-03-310000798941srt:SubsidiariesMemberfcnca:FixedToFixedSubordinatedNotesAt4125Memberus-gaap:SubordinatedDebtMember2023-12-310000798941srt:SubsidiariesMemberfcnca:JuniorSubordinatedDebenturesSCBCapitalTrustIMemberus-gaap:SubordinatedDebtMember2024-03-310000798941srt:SubsidiariesMemberfcnca:JuniorSubordinatedDebenturesSCBCapitalTrustIMemberus-gaap:SubordinatedDebtMember2023-12-310000798941us-gaap:SecuredDebtMembersrt:SubsidiariesMemberfcnca:PurchaseMoneyNoteToFDICFixedAt3.50Member2024-03-310000798941us-gaap:SecuredDebtMembersrt:SubsidiariesMemberfcnca:PurchaseMoneyNoteToFDICFixedAt3.50Member2023-12-310000798941us-gaap:SubordinatedDebtMember2024-01-012024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateContractMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateContractMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:InterestRateContractMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:InterestRateContractMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:ForeignExchangeContractMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:ForeignExchangeContractMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:OtherContractMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:OtherContractMember2023-12-310000798941us-gaap:NondesignatedMember2024-03-310000798941us-gaap:NondesignatedMember2023-12-310000798941us-gaap:NondesignatedMemberfcnca:ForeignExchangeSpotContractMember2024-03-310000798941us-gaap:NondesignatedMemberfcnca:ForeignExchangeSpotContractMember2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateContractMember2024-01-012024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateContractMember2023-01-012023-03-310000798941us-gaap:LongTermDebtMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:LongTermDebtMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:LongTermDebtMember2024-03-310000798941us-gaap:BankTimeDepositsMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:BankTimeDepositsMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:BankTimeDepositsMember2024-03-310000798941us-gaap:LongTermDebtMember2023-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:LongTermDebtMember2023-03-310000798941us-gaap:NondesignatedMemberus-gaap:LongTermDebtMember2023-03-310000798941us-gaap:NondesignatedMemberus-gaap:InterestRateContractMember2024-01-012024-03-310000798941us-gaap:NondesignatedMemberus-gaap:InterestRateContractMember2023-01-012023-03-310000798941us-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMember2024-01-012024-03-310000798941us-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMember2023-01-012023-03-310000798941us-gaap:NondesignatedMemberus-gaap:OtherContractMember2024-01-012024-03-310000798941us-gaap:NondesignatedMemberus-gaap:OtherContractMember2023-01-012023-03-310000798941us-gaap:NondesignatedMember2024-01-012024-03-310000798941us-gaap:NondesignatedMember2023-01-012023-03-310000798941us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:USGovernmentAgenciesDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:USGovernmentAgenciesDebtSecuritiesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:USGovernmentAgenciesDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:USGovernmentAgenciesDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:MunicipalBondsMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:MunicipalBondsMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:MunicipalBondsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:MunicipalBondsMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueInputsLevel1Memberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel1Memberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:ForeignExchangeContractMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel1Memberus-gaap:ForeignExchangeContractMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:ForeignExchangeContractMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ForeignExchangeContractMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberfcnca:OtherDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel1Memberfcnca:OtherDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberfcnca:OtherDerivativeMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel3Memberfcnca:OtherDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:USTreasurySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:USGovernmentAgenciesDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:USGovernmentAgenciesDebtSecuritiesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:USGovernmentAgenciesDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:USGovernmentAgenciesDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:ResidentialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:CommercialMortgageBackedSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:MunicipalBondsMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:MunicipalBondsMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:MunicipalBondsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:MunicipalBondsMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueInputsLevel1Memberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel1Memberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateContractMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:ForeignExchangeContractMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel1Memberus-gaap:ForeignExchangeContractMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:ForeignExchangeContractMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ForeignExchangeContractMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberfcnca:OtherDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel1Memberfcnca:OtherDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberfcnca:OtherDerivativeMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel3Memberfcnca:OtherDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberfcnca:InterestRateAndOtherDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:FairValueInputsLevel3Memberfcnca:InterestRateAndOtherDerivativeMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:DerivativeFinancialInstrumentsAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:DerivativeFinancialInstrumentsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310000798941us-gaap:DerivativeFinancialInstrumentsAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310000798941us-gaap:DerivativeFinancialInstrumentsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-01-012024-03-310000798941us-gaap:DerivativeFinancialInstrumentsAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2024-01-012024-03-310000798941us-gaap:DerivativeFinancialInstrumentsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-01-012024-03-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-01-012023-03-310000798941us-gaap:DerivativeFinancialInstrumentsAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2023-01-012023-03-310000798941us-gaap:DerivativeFinancialInstrumentsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-01-012023-03-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:DerivativeFinancialInstrumentsAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:DerivativeFinancialInstrumentsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2024-03-310000798941us-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-03-310000798941us-gaap:DerivativeFinancialInstrumentsAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2023-03-310000798941us-gaap:DerivativeFinancialInstrumentsLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2023-03-310000798941fcnca:ResidentialMortgateLoansHeldForSaleMember2024-03-310000798941fcnca:ResidentialMortgateLoansHeldForSaleMember2023-12-310000798941us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:ChangeDuringPeriodFairValueDisclosureMember2024-03-310000798941us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:ChangeDuringPeriodFairValueDisclosureMember2023-12-310000798941us-gaap:MeasurementInputDiscountRateMembersrt:MinimumMember2024-03-310000798941us-gaap:MeasurementInputDiscountRateMembersrt:MaximumMember2024-03-310000798941us-gaap:MeasurementInputDiscountRateMember2024-03-310000798941us-gaap:MeasurementInputDiscountRateMember2023-12-310000798941us-gaap:CarryingReportedAmountFairValueDisclosureMember2024-03-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:NondesignatedMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310000798941us-gaap:CarryingReportedAmountFairValueDisclosureMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:NondesignatedMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:SeriesAPreferredStockMember2024-03-310000798941us-gaap:SeriesBPreferredStockMember2024-03-310000798941us-gaap:SeriesBPreferredStockMemberfcnca:SecuredOvernightFinancingRateMember2024-03-310000798941us-gaap:SeriesCPreferredStockMember2024-03-310000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2024-03-310000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2023-12-310000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2024-03-310000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2023-12-310000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2024-03-310000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-12-310000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2024-01-012024-03-310000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2024-01-012024-03-310000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2024-01-012024-03-310000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2022-12-310000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2022-12-310000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-12-310000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2023-01-012023-03-310000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2023-01-012023-03-310000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-01-012023-03-310000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2023-03-310000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2023-03-310000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-03-310000798941us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2024-01-012024-03-310000798941us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2023-01-012023-03-310000798941us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMemberfcnca:DebtSecuritiesAvailableForSaleRealizedGainLossMember2024-01-012024-03-310000798941us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMemberfcnca:DebtSecuritiesAvailableForSaleRealizedGainLossMember2023-01-012023-03-310000798941us-gaap:OperatingSegmentsMemberfcnca:GeneralBankingSegmentMember2024-01-012024-03-310000798941fcnca:CommercialBankingSegmentMemberus-gaap:OperatingSegmentsMember2024-01-012024-03-310000798941us-gaap:OperatingSegmentsMemberfcnca:SiliconValleyBridgeBankSegmentMember2024-01-012024-03-310000798941fcnca:RailSegmentMemberus-gaap:OperatingSegmentsMember2024-01-012024-03-310000798941us-gaap:CorporateNonSegmentMember2024-01-012024-03-310000798941us-gaap:OperatingSegmentsMemberfcnca:GeneralBankingSegmentMember2024-03-310000798941fcnca:CommercialBankingSegmentMemberus-gaap:OperatingSegmentsMember2024-03-310000798941us-gaap:OperatingSegmentsMemberfcnca:SiliconValleyBridgeBankSegmentMember2024-03-310000798941fcnca:RailSegmentMemberus-gaap:OperatingSegmentsMember2024-03-310000798941us-gaap:CorporateNonSegmentMember2024-03-310000798941us-gaap:OperatingSegmentsMemberfcnca:GeneralBankingSegmentMember2023-01-012023-03-310000798941fcnca:CommercialBankingSegmentMemberus-gaap:OperatingSegmentsMember2023-01-012023-03-310000798941us-gaap:OperatingSegmentsMemberfcnca:SiliconValleyBridgeBankSegmentMember2023-01-012023-03-310000798941fcnca:RailSegmentMemberus-gaap:OperatingSegmentsMember2023-01-012023-03-310000798941us-gaap:CorporateNonSegmentMember2023-01-012023-03-310000798941us-gaap:OperatingSegmentsMemberfcnca:GeneralBankingSegmentMember2023-03-310000798941fcnca:CommercialBankingSegmentMemberus-gaap:OperatingSegmentsMember2023-03-310000798941us-gaap:OperatingSegmentsMemberfcnca:SiliconValleyBridgeBankSegmentMember2023-03-310000798941fcnca:RailSegmentMemberus-gaap:OperatingSegmentsMember2023-03-310000798941us-gaap:CorporateNonSegmentMember2023-03-310000798941us-gaap:UnfundedLoanCommitmentMember2024-03-310000798941us-gaap:UnfundedLoanCommitmentMember2023-12-310000798941us-gaap:StandbyLettersOfCreditMember2024-03-310000798941us-gaap:StandbyLettersOfCreditMember2023-12-310000798941fcnca:OtherLettersOfCreditMember2024-03-310000798941fcnca:OtherLettersOfCreditMember2023-12-310000798941fcnca:DeferredPurchaseAgreementsMember2024-03-310000798941fcnca:DeferredPurchaseAgreementsMember2023-12-310000798941fcnca:LessorCommitmentsMember2024-03-310000798941fcnca:LessorCommitmentsMember2023-12-310000798941fcnca:OffBalanceSheetCommitmentMember2024-03-310000798941fcnca:OffBalanceSheetCommitmentMember2023-12-31


UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
____________________________________________________
FORM 10-Q
____________________________________________________
Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the quarterly period ended March 31, 2024
or
Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Commission File Number: 001-16715
First Citizens BancShares, Inc.
(Exact name of Registrant as specified in its charter)
Delaware56-1528994
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer
Identification Number)
4300 Six Forks RoadRaleighNorth Carolina27609
(Address of principle executive offices)(Zip code)
(919)716-7000
(Registrant’s telephone number, including area code)
____________________________________________________

Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Class A Common Stock, Par Value $1FCNCA
Nasdaq Global Select Market
Depositary Shares, Each Representing a 1/40th Interest in a Share of 5.375% Non-Cumulative Perpetual Preferred Stock, Series AFCNCP
Nasdaq Global Select Market
5.625% Non-Cumulative Perpetual Preferred Stock, Series CFCNCO
Nasdaq Global Select Market
Securities registered pursuant to Section 12(g) of the Securities Exchange Act of 1934:
Class B Common Stock, Par Value $1
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes No
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).
Yes No
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company” and ‘emerging growth company’ in Rule 12b-2 of the Exchange Act.
Large accelerated filerAccelerated filerNon-accelerated filerSmaller reporting companyEmerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. 
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes No
Class A Common Stock—13,524,550 shares
Class B Common Stock—1,005,185 shares
(Number of shares outstanding, by class, as of April 30, 2024)

























2



GLOSSARY OF ABBREVIATIONS AND ACRONYMS
The following is a list of select abbreviations and acronyms used throughout this document. You may find it helpful to refer back to this table.

AcronymDefinitionAcronymDefinition
ALLLAllowance for Loan and Lease LossesISDAInternational Swaps and Derivatives Association
AOCIAccumulated Other Comprehensive IncomeLGDLoss Given Default
ASCAccounting Standards CodificationLOCOMLower of the Cost or Market Value
ASUAccounting Standards UpdateMD&AManagement’s Discussion and Analysis
BHCBank Holding CompanyMSRsMortgage Servicing Rights
BOLIBank Owned Life InsuranceNIINet Interest Income
bpsBasis point(s); 1 bp = 0.01%NII SensitivityNet Interest Income Sensitivity
C&ICommercial and IndustrialNIMNet Interest Margin
CRACommunity Reinvestment Act of 1977NPRNotice of Proposed Rulemaking
CRECommercial Real EstateOREOOther Real Estate Owned
DPADeferred Purchase AgreementPAMProportional Amortization Method
DTAsDeferred Tax AssetsPCDPurchased Credit Deteriorated
ETREffective Tax RatePDProbability of Obligor Default
EVE SensitivityEconomic Value of Equity SensitivityROURight of Use
FASBFinancial Accounting Standards BoardSBASmall Business Administration
FCBFirst-Citizens Bank & Trust CompanySECSecurities and Exchange Commission
FDICFederal Deposit Insurance CorporationSOFRSecured Overnight Financing Rate
FHLBFederal Home Loan BankSVBSilicon Valley Bank
FOMCFederal Open Market CommitteeSVBBSilicon Valley Bridge Bank, N.A.
FRBBoard of Governors of the Federal Reserve System or Federal Reserve BankUPBUnpaid Principal Balance
GAAP
United States Generally Accepted Accounting Principles
VIEVariable Interest Entity
HQLSHigh Quality Liquid Securities




















3



PART I—FINANCIAL INFORMATION

Item 1. Financial Statements.
First Citizens BancShares, Inc. and Subsidiaries
Consolidated Balance Sheets (Unaudited)


dollars in millions, except share dataMarch 31, 2024December 31, 2023
Assets
Cash and due from banks$698 $908 
Interest-earning deposits at banks30,792 33,609 
Securities purchased under agreements to resell394 473 
Investment in marketable equity securities (cost of $75 at March 31, 2024 and December 31, 2023)
79 84 
Investment securities available for sale (cost of $25,791 at March 31, 2024 and $20,688 at December 31, 2023), net of allowance for credit losses
24,915 19,936 
Investment securities held to maturity (fair value of $8,479 at March 31, 2024 and $8,503 at December 31, 2023)
10,050 9,979 
Assets held for sale86 76 
Loans and leases135,370 133,302 
Allowance for loan and lease losses(1,737)(1,747)
Loans and leases, net of allowance for loan and lease losses133,633 131,555 
Operating lease equipment, net8,811 8,746 
Premises and equipment, net1,906 1,877 
Goodwill346 346 
Other intangible assets, net295 312 
Other assets5,831 5,857 
Total assets$217,836 $213,758 
Liabilities
Deposits:
Noninterest-bearing$39,276 $39,799 
Interest-bearing110,333 106,055 
Total deposits149,609 145,854 
Credit balances of factoring clients1,152 1,089 
Borrowings:
Short-term borrowings395 485 
Long-term borrowings37,145 37,169 
Total borrowings37,540 37,654 
Other liabilities7,687 7,906 
Total liabilities195,988 192,503 
Stockholders’ equity
Preferred stock - $0.01 par value (20,000,000 shares authorized at March 31, 2024 and December 31, 2023)
881 881 
Common stock:
Class A - $1 par value (32,000,000 shares authorized at March 31, 2024 and December 31, 2023; 13,524,550 and 13,514,933 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively)
14 14 
Class B - $1 par value (2,000,000 shares authorized; 1,005,185 shares issued and outstanding at March 31, 2024 and December 31, 2023)
1 1 
Additional paid in capital4,099 4,108 
Retained earnings17,435 16,742 
Accumulated other comprehensive loss(582)(491)
Total stockholders’ equity21,848 21,255 
Total liabilities and stockholders’ equity$217,836 $213,758 
See accompanying Notes to the Unaudited Consolidated Financial Statements.

4



First Citizens BancShares, Inc. and Subsidiaries
Consolidated Statements of Income (Unaudited)

Three Months Ended March 31,
dollars in millions, except share and per share data20242023
Interest income
Interest and fees on loans$2,354 $1,017 
Interest on investment securities282 107 
Interest on deposits at banks448 87 
Total interest income3,084 1,211 
Interest expense
Deposits928 288 
Borrowings339 73 
Total interest expense1,267 361 
Net interest income1,817 850 
Provision for credit losses64 783 
Net interest income after provision for credit losses1,753 67 
Noninterest income
Rental income on operating lease equipment255 233 
Fee income and other service charges75 47 
Client investment fees50 2 
Wealth management services51 40 
International fees28 4 
Service charges on deposit accounts44 24 
Factoring commissions17 19 
Cardholder services, net40 21 
Merchant services, net12 10 
Insurance commissions15 13 
Realized loss on sale of investment securities available for sale, net (14)
Fair value adjustment on marketable equity securities, net(4)(9)
Gain on sale of leasing equipment, net10 4 
Gain on acquisition 9,824 
Loss on extinguishment of debt(2) 
Other noninterest income 36 41 
Total noninterest income627 10,259 
Noninterest expense
Depreciation on operating lease equipment96 89 
Maintenance and other operating lease expenses45 56 
Salaries and benefits744 420 
Net occupancy expense62 50 
Equipment expense114 58 
Professional fees25 11 
Third-party processing fees60 30 
FDIC insurance expense41 18 
Marketing expense14 15 
Acquisition-related expenses58 28 
Intangible asset amortization17 5 
Other noninterest expense100 75 
Total noninterest expense1,376 855 
Income before income taxes1,004 9,471 
Income tax expense (benefit)273 (47)
Net income$731 $9,518 
Preferred stock dividends15 14 
Net income available to common stockholders$716 $9,504 
Earnings per common share
Basic$49.27 $654.22 
Diluted$49.26 $653.64 
Weighted average common shares outstanding
Basic14,533,30214,526,693
Diluted14,536,44214,539,709
See accompanying Notes to the Unaudited Consolidated Financial Statements.
5



First Citizens BancShares, Inc. and Subsidiaries
Consolidated Statements of Comprehensive Income (Unaudited)


Three Months Ended March 31,
dollars in millions20242023
Net income$731 $9,518 
Other comprehensive (loss) income, net of tax
Net unrealized (loss) gain on securities available for sale(91)58 
Net change in defined benefit pension items 8 
Other comprehensive (loss) income, net of tax$(91)$66 
Total comprehensive income$640 $9,584 
See accompanying Notes to the Unaudited Consolidated Financial Statements.


6



First Citizens BancShares, Inc. and Subsidiaries
Consolidated Statements of Changes in Stockholders’ Equity (Unaudited)


dollars in millions, except share dataPreferred StockClass A Common StockClass B Common StockAdditional Paid in CapitalRetained EarningsAccumulated Other Comprehensive (Loss) IncomeTotal Stockholders' Equity
Balance at December 31, 2023$881 $14 $1 $4,108 $16,742 $(491)$21,255 
Net income— — — — 731 — 731 
Other comprehensive loss, net of tax— — — — — (91)(91)
Stock based compensation— — — (9)— — (9)
Cash dividends declared ($1.64 per common share):
Class A common stock— — — — (22)— (22)
Class B common stock— — — — (1)— (1)
Preferred stock dividends declared:
Series A— — — — (4)— (4)
Series B— — — — (8)— (8)
Series C— — — — (3)— (3)
Balance at March 31, 2024$881 $14 $1 $4,099 $17,435 $(582)$21,848 
Balance at December 31, 2022$881 $14 $1 $4,109 $5,392 $(735)$9,662 
Net income— — — — 9,518 — 9,518 
Other comprehensive income, net of tax— — — — — 66 66 
Stock based compensation— — — (5)— — (5)
Cash dividends declared ($0.75 per common share):
Class A common stock— — — — (10)— (10)
Class B common stock— — — — (1)— (1)
Preferred stock dividends declared
Series A— — — — (4)— (4)
Series B— — — — (7)— (7)
Series C— — — — (3)— (3)
Balance at March 31, 2023$881 $14 $1 $4,104 $14,885 $(669)$19,216 

See accompanying Notes to the Unaudited Consolidated Financial Statements.
7



First Citizens BancShares, Inc. and Subsidiaries
Consolidated Statements of Cash Flows (Unaudited)
                                                                                                                                                                                                                                                             Three Months Ended March 31,
dollars in millions20242023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income$731 $9,518 
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Provision for credit losses64 783 
Deferred tax expense (benefit)1 (69)
Depreciation, amortization, and accretion, net(12)124 
Stock based compensation expense 1 
Realized loss on sale of investment securities available for sale, net 14 
Fair value adjustment on marketable equity securities, net4 9 
Gain on sale of loans, net(3)(1)
Gain on sale of operating lease equipment, net(10)(4)
Gain on other real estate owned, net(3) 
Gain on acquisition (9,824)
Loss on extinguishment of debt2  
Origination of loans held for sale(209)(82)
Proceeds from sale of loans held for sale244 67 
Net change in other assets57 (486)
Net change in other liabilities(409)(347)
Other operating activities4 (65)
Net cash provided by (used in) operating activities461 (362)
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease (increase) in interest-earning deposits at banks2,817 (88)
Purchases of investment securities available for sale(6,296)(125)