FIRST CITIZENS BANCSHARES INC /DE/000079894112/312024Q2FALSEP5YP2D6008602062010062710120060032000900108771111101024104701301502461766905302506006800064003736166190392024481610062428730600300460680108158111112102314220120130215155610550250600600644746146http://fasb.org/us-gaap/2024#OtherAssetshttp://fasb.org/us-gaap/2024#OtherAssetshttp://fasb.org/us-gaap/2024#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortizationhttp://fasb.org/us-gaap/2024#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortizationhttp://fasb.org/us-gaap/2024#OtherLiabilitieshttp://fasb.org/us-gaap/2024#OtherLiabilitieshttp://fasb.org/us-gaap/2024#OtherBorrowingshttp://fasb.org/us-gaap/2024#OtherBorrowingsxbrli:sharesiso4217:USDiso4217:USDxbrli:sharesxbrli:purefcnca:securityfcnca:entityfcnca:vote00007989412024-01-012024-06-300000798941us-gaap:CommonClassAMember2024-01-012024-06-300000798941fcnca:DepositarySharesMember2024-01-012024-06-300000798941us-gaap:SeriesCPreferredStockMember2024-01-012024-06-300000798941us-gaap:CommonClassAMember2024-07-310000798941us-gaap:CommonClassBMember2024-07-3100007989412024-06-3000007989412023-12-310000798941us-gaap:CommonClassAMember2024-06-300000798941us-gaap:CommonClassAMember2023-12-310000798941us-gaap:CommonClassBMember2023-12-310000798941us-gaap:CommonClassBMember2024-06-3000007989412024-04-012024-06-3000007989412023-04-012023-06-3000007989412023-01-012023-06-300000798941us-gaap:FinancialServiceOtherMember2024-04-012024-06-300000798941us-gaap:FinancialServiceOtherMember2023-04-012023-06-300000798941us-gaap:FinancialServiceOtherMember2024-01-012024-06-300000798941us-gaap:FinancialServiceOtherMember2023-01-012023-06-300000798941fcnca:ClientInvestmentServiceMember2024-04-012024-06-300000798941fcnca:ClientInvestmentServiceMember2023-04-012023-06-300000798941fcnca:ClientInvestmentServiceMember2024-01-012024-06-300000798941fcnca:ClientInvestmentServiceMember2023-01-012023-06-300000798941us-gaap:AssetManagement1Member2024-04-012024-06-300000798941us-gaap:AssetManagement1Member2023-04-012023-06-300000798941us-gaap:AssetManagement1Member2024-01-012024-06-300000798941us-gaap:AssetManagement1Member2023-01-012023-06-300000798941fcnca:InternationalFeesMember2024-04-012024-06-300000798941fcnca:InternationalFeesMember2023-04-012023-06-300000798941fcnca:InternationalFeesMember2024-01-012024-06-300000798941fcnca:InternationalFeesMember2023-01-012023-06-300000798941us-gaap:DepositAccountMember2024-04-012024-06-300000798941us-gaap:DepositAccountMember2023-04-012023-06-300000798941us-gaap:DepositAccountMember2024-01-012024-06-300000798941us-gaap:DepositAccountMember2023-01-012023-06-300000798941fcnca:FactoringCommissionsMember2024-04-012024-06-300000798941fcnca:FactoringCommissionsMember2023-04-012023-06-300000798941fcnca:FactoringCommissionsMember2024-01-012024-06-300000798941fcnca:FactoringCommissionsMember2023-01-012023-06-300000798941us-gaap:CreditAndDebitCardMember2024-04-012024-06-300000798941us-gaap:CreditAndDebitCardMember2023-04-012023-06-300000798941us-gaap:CreditAndDebitCardMember2024-01-012024-06-300000798941us-gaap:CreditAndDebitCardMember2023-01-012023-06-300000798941fcnca:MerchantServicesMember2024-04-012024-06-300000798941fcnca:MerchantServicesMember2023-04-012023-06-300000798941fcnca:MerchantServicesMember2024-01-012024-06-300000798941fcnca:MerchantServicesMember2023-01-012023-06-300000798941fcnca:InsuranceCommissionsMember2024-04-012024-06-300000798941fcnca:InsuranceCommissionsMember2023-04-012023-06-300000798941fcnca:InsuranceCommissionsMember2024-01-012024-06-300000798941fcnca:InsuranceCommissionsMember2023-01-012023-06-300000798941us-gaap:PreferredStockMember2024-03-310000798941us-gaap:CommonStockMemberus-gaap:CommonClassAMember2024-03-310000798941us-gaap:CommonStockMemberus-gaap:CommonClassBMember2024-03-310000798941us-gaap:AdditionalPaidInCapitalMember2024-03-310000798941us-gaap:RetainedEarningsMember2024-03-310000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-03-3100007989412024-03-310000798941us-gaap:RetainedEarningsMember2024-04-012024-06-300000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-04-012024-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:CommonClassAMember2024-04-012024-06-300000798941us-gaap:CommonClassAMember2024-04-012024-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:CommonClassBMember2024-04-012024-06-300000798941us-gaap:CommonClassBMember2024-04-012024-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesAPreferredStockMember2024-04-012024-06-300000798941us-gaap:SeriesAPreferredStockMember2024-04-012024-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesBPreferredStockMember2024-04-012024-06-300000798941us-gaap:SeriesBPreferredStockMember2024-04-012024-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesCPreferredStockMember2024-04-012024-06-300000798941us-gaap:SeriesCPreferredStockMember2024-04-012024-06-300000798941us-gaap:PreferredStockMember2024-06-300000798941us-gaap:CommonStockMemberus-gaap:CommonClassAMember2024-06-300000798941us-gaap:CommonStockMemberus-gaap:CommonClassBMember2024-06-300000798941us-gaap:AdditionalPaidInCapitalMember2024-06-300000798941us-gaap:RetainedEarningsMember2024-06-300000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-06-300000798941us-gaap:PreferredStockMember2023-03-310000798941us-gaap:CommonStockMemberus-gaap:CommonClassAMember2023-03-310000798941us-gaap:CommonStockMemberus-gaap:CommonClassBMember2023-03-310000798941us-gaap:AdditionalPaidInCapitalMember2023-03-310000798941us-gaap:RetainedEarningsMember2023-03-310000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-03-3100007989412023-03-310000798941us-gaap:RetainedEarningsMember2023-04-012023-06-300000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-04-012023-06-300000798941us-gaap:AdditionalPaidInCapitalMember2023-04-012023-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:CommonClassAMember2023-04-012023-06-300000798941us-gaap:CommonClassAMember2023-04-012023-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:CommonClassBMember2023-04-012023-06-300000798941us-gaap:CommonClassBMember2023-04-012023-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesAPreferredStockMember2023-04-012023-06-300000798941us-gaap:SeriesAPreferredStockMember2023-04-012023-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesBPreferredStockMember2023-04-012023-06-300000798941us-gaap:SeriesBPreferredStockMember2023-04-012023-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesCPreferredStockMember2023-04-012023-06-300000798941us-gaap:SeriesCPreferredStockMember2023-04-012023-06-300000798941us-gaap:PreferredStockMember2023-06-300000798941us-gaap:CommonStockMemberus-gaap:CommonClassAMember2023-06-300000798941us-gaap:CommonStockMemberus-gaap:CommonClassBMember2023-06-300000798941us-gaap:AdditionalPaidInCapitalMember2023-06-300000798941us-gaap:RetainedEarningsMember2023-06-300000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-06-3000007989412023-06-300000798941us-gaap:PreferredStockMember2023-12-310000798941us-gaap:CommonStockMemberus-gaap:CommonClassAMember2023-12-310000798941us-gaap:CommonStockMemberus-gaap:CommonClassBMember2023-12-310000798941us-gaap:AdditionalPaidInCapitalMember2023-12-310000798941us-gaap:RetainedEarningsMember2023-12-310000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-12-310000798941us-gaap:RetainedEarningsMember2024-01-012024-06-300000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-01-012024-06-300000798941us-gaap:AdditionalPaidInCapitalMember2024-01-012024-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:CommonClassAMember2024-01-012024-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:CommonClassBMember2024-01-012024-06-300000798941us-gaap:CommonClassBMember2024-01-012024-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesAPreferredStockMember2024-01-012024-06-300000798941us-gaap:SeriesAPreferredStockMember2024-01-012024-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesBPreferredStockMember2024-01-012024-06-300000798941us-gaap:SeriesBPreferredStockMember2024-01-012024-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesCPreferredStockMember2024-01-012024-06-300000798941us-gaap:PreferredStockMember2022-12-310000798941us-gaap:CommonStockMemberus-gaap:CommonClassAMember2022-12-310000798941us-gaap:CommonStockMemberus-gaap:CommonClassBMember2022-12-310000798941us-gaap:AdditionalPaidInCapitalMember2022-12-310000798941us-gaap:RetainedEarningsMember2022-12-310000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-12-3100007989412022-12-310000798941us-gaap:RetainedEarningsMember2023-01-012023-06-300000798941us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-01-012023-06-300000798941us-gaap:AdditionalPaidInCapitalMember2023-01-012023-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:CommonClassAMember2023-01-012023-06-300000798941us-gaap:CommonClassAMember2023-01-012023-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:CommonClassBMember2023-01-012023-06-300000798941us-gaap:CommonClassBMember2023-01-012023-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesAPreferredStockMember2023-01-012023-06-300000798941us-gaap:SeriesAPreferredStockMember2023-01-012023-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesBPreferredStockMember2023-01-012023-06-300000798941us-gaap:SeriesBPreferredStockMember2023-01-012023-06-300000798941us-gaap:RetainedEarningsMemberus-gaap:SeriesCPreferredStockMember2023-01-012023-06-300000798941us-gaap:SeriesCPreferredStockMember2023-01-012023-06-300000798941fcnca:SiliconValleyBridgeBankNAMember2023-03-270000798941fcnca:SiliconValleyBridgeBankNAMember2023-03-272023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberfcnca:PurchaseMoneyNoteMember2023-03-272023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberfcnca:PurchaseMoneyNoteMember2023-03-270000798941fcnca:FDICCreditFacilityMember2023-03-270000798941fcnca:PurchaseMoneyNoteMember2023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberfcnca:FDICCreditFacilityMemberus-gaap:SecuredDebtMember2023-03-272023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberfcnca:FDICCreditFacilityMember2023-03-270000798941fcnca:SiliconValleyBridgeBankNAMemberfcnca:PurchaseMoneyNoteMemberus-gaap:SecuredDebtMember2023-03-270000798941fcnca: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:SiliconValleyBridgeBankNAMember2023-01-012023-06-300000798941us-gaap:USTreasurySecuritiesMember2024-06-300000798941us-gaap:AgencySecuritiesMember2024-06-300000798941us-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:CorporateDebtSecuritiesMember2024-06-300000798941us-gaap:MunicipalBondsMember2024-06-300000798941fcnca:SupranationalSecuritiesMember2024-06-300000798941us-gaap:OtherDebtSecuritiesMember2024-06-300000798941us-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:OtherDebtSecuritiesMember2023-12-310000798941fcnca:VisaIncMemberus-gaap:CommonClassBMember2024-06-300000798941fcnca:VisaIncMemberfcnca:CommonClassB1Member2024-01-240000798941us-gaap:FinancialAssetPastDueMember2024-06-300000798941us-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:AgencySecuritiesMember2024-06-300000798941us-gaap:AgencySecuritiesMember2023-12-310000798941us-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:USTreasurySecuritiesMember2024-06-300000798941us-gaap:CorporateBondSecuritiesMember2024-06-300000798941us-gaap:USTreasurySecuritiesMember2023-12-310000798941us-gaap:CorporateBondSecuritiesMember2023-12-310000798941us-gaap:USTreasuryAndGovernmentMember2024-06-300000798941us-gaap:AssetPledgedAsCollateralMember2024-06-300000798941us-gaap:AssetPledgedAsCollateralMember2023-12-310000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2024-06-300000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-06-300000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-06-300000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2024-06-300000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2024-06-300000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMember2023-12-310000798941us-gaap:ResidentialMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2024-06-300000798941us-gaap:ResidentialMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941fcnca:RevolvingMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2024-06-300000798941fcnca:RevolvingMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941us-gaap:AutomobileLoanMemberus-gaap:ConsumerPortfolioSegmentMember2024-06-300000798941us-gaap:AutomobileLoanMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941fcnca:ConsumerLoanOtherMemberus-gaap:ConsumerPortfolioSegmentMember2024-06-300000798941fcnca:ConsumerLoanOtherMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941fcnca:GlobalFundBankingMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-06-300000798941fcnca:GlobalFundBankingMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941fcnca:InvestorDependentEarlyStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-06-300000798941fcnca:InvestorDependentEarlyStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-06-300000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941fcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-06-300000798941fcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941us-gaap:UnfundedLoanCommitmentMember2024-04-012024-06-300000798941us-gaap:UnfundedLoanCommitmentMember2024-01-012024-06-300000798941us-gaap:UnfundedLoanCommitmentMember2023-04-012023-06-300000798941us-gaap:UnfundedLoanCommitmentMember2023-01-012023-06-300000798941us-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMember2024-06-300000798941us-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMember2023-12-310000798941us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMember2024-06-300000798941us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-06-300000798941us-gaap:FinancialAssetPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-06-300000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2024-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2024-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2024-06-300000798941us-gaap:FinancialAssetPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2024-06-300000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancialAssetPastDueMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-06-300000798941us-gaap:FinancialAssetPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-06-300000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMember2024-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMember2024-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2024-06-300000798941us-gaap:FinancialAssetNotPastDueMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941us-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:ResidentialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-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:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-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:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941us-gaap:FinancialAssetPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:GlobalFundBankingMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancialAssetPastDueMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancialAssetNotPastDueMember2023-12-310000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941us-gaap:FinancialAssetPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-12-310000798941us-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:CommercialPortfolioSegmentMemberus-gaap:PassMemberus-gaap:ConstructionLoansMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SpecialMentionMemberus-gaap:ConstructionLoansMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberus-gaap:ConstructionLoansMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:DoubtfulMemberus-gaap:ConstructionLoansMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:UngradedMemberus-gaap:ConstructionLoansMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:UngradedMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:UngradedMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMemberfcnca:CommercialAndIndustrialLoanMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:CommercialAndIndustrialLoanMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:CommercialAndIndustrialLoanMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:CommercialAndIndustrialLoanMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:UngradedMemberfcnca:CommercialAndIndustrialLoanMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMemberfcnca:FinancingReceivableLeasesMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:FinancingReceivableLeasesMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:FinancingReceivableLeasesMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:FinancingReceivableLeasesMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:UngradedMemberfcnca:FinancingReceivableLeasesMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PassMemberfcnca:GlobalFundBankingMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:GlobalFundBankingMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:GlobalFundBankingMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:GlobalFundBankingMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMemberfcnca:GlobalFundBankingMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PassMemberfcnca:InvestorDependentEarlyStageMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:InvestorDependentEarlyStageMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:InvestorDependentEarlyStageMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:InvestorDependentEarlyStageMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMemberfcnca:InvestorDependentEarlyStageMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PassMemberfcnca:InvestorDependentGrowthStageMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:InvestorDependentGrowthStageMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:InvestorDependentGrowthStageMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:InvestorDependentGrowthStageMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMemberfcnca:InvestorDependentGrowthStageMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PassMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMemberus-gaap:ConstructionLoansMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SpecialMentionMemberus-gaap:ConstructionLoansMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberus-gaap:ConstructionLoansMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:DoubtfulMemberus-gaap:ConstructionLoansMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:UngradedMemberus-gaap:ConstructionLoansMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:UngradedMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:UngradedMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMemberfcnca:CommercialAndIndustrialLoanMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:CommercialAndIndustrialLoanMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:CommercialAndIndustrialLoanMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:CommercialAndIndustrialLoanMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:UngradedMemberfcnca:CommercialAndIndustrialLoanMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:PassMemberfcnca:FinancingReceivableLeasesMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:FinancingReceivableLeasesMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:FinancingReceivableLeasesMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:FinancingReceivableLeasesMember2023-12-310000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:UngradedMemberfcnca:FinancingReceivableLeasesMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PassMemberfcnca:GlobalFundBankingMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:GlobalFundBankingMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:GlobalFundBankingMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:GlobalFundBankingMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMemberfcnca:GlobalFundBankingMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PassMemberfcnca:InvestorDependentEarlyStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:InvestorDependentEarlyStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:InvestorDependentEarlyStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:InvestorDependentEarlyStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMemberfcnca:InvestorDependentEarlyStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PassMemberfcnca:InvestorDependentGrowthStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:InvestorDependentGrowthStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:InvestorDependentGrowthStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:InvestorDependentGrowthStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMemberfcnca:InvestorDependentGrowthStageMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:PassMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SpecialMentionMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:SubstandardMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberus-gaap:DoubtfulMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:UngradedMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-12-310000798941us-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMember2024-01-012024-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:FinancingReceivableLeasesMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:AutomobileLoanMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:ConsumerLoanOtherMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:PrincipalForgivenessMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-04-012024-06-300000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-04-012024-06-300000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-04-012024-06-300000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-04-012024-06-300000798941us-gaap:ResidentialMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-04-012024-06-300000798941fcnca:RevolvingMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:ConsumerPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-04-012024-06-300000798941fcnca:InvestorDependentEarlyStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-04-012024-06-300000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-04-012024-06-300000798941fcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMember2024-04-012024-06-300000798941us-gaap:PaymentDeferralMember2024-04-012024-06-300000798941fcnca:InterestRateReductionMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMember2024-04-012024-06-300000798941fcnca:OtherCombinationsMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-04-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayInterestRateReductionAndPaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-04-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-04-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-04-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-04-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-04-012023-06-300000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-04-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-04-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-04-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-04-012023-06-300000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-04-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-04-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-04-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-04-012023-06-300000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-04-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-04-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-04-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-04-012023-06-300000798941us-gaap:ResidentialMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ConsumerPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-04-012023-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-04-012023-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-04-012023-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-04-012023-06-300000798941fcnca:InvestorDependentEarlyStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-04-012023-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-04-012023-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-04-012023-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-04-012023-06-300000798941fcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityMember2023-04-012023-06-300000798941us-gaap:PaymentDeferralMember2023-04-012023-06-300000798941fcnca:InterestRateReductionMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMember2023-04-012023-06-300000798941fcnca:OtherCombinationsMember2023-04-012023-06-300000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:AutomobileLoanMemberus-gaap:ConsumerPortfolioSegmentMember2024-04-012024-06-300000798941fcnca:ConsumerLoanOtherMemberus-gaap:ConsumerPortfolioSegmentMember2024-04-012024-06-300000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:RevolvingMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:AutomobileLoanMemberus-gaap:ConsumerPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:ConsumerLoanOtherMemberus-gaap:ConsumerPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:GlobalFundBankingMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012023-06-300000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-04-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2024-01-012024-06-300000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2024-01-012024-06-300000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2024-01-012024-06-300000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2024-01-012024-06-300000798941us-gaap:ResidentialMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMember2024-01-012024-06-300000798941fcnca:RevolvingMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-06-300000798941fcnca:InvestorDependentEarlyStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMember2024-01-012024-06-300000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2024-01-012024-06-300000798941fcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMember2024-01-012024-06-300000798941us-gaap:PaymentDeferralMember2024-01-012024-06-300000798941fcnca:InterestRateReductionMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayMember2024-01-012024-06-300000798941fcnca:OtherCombinationsMember2024-01-012024-06-300000798941fcnca:TermExtensionAndPaymentDelayInterestRateReductionAndPaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2024-01-012024-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMember2023-01-012023-06-300000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMember2023-01-012023-06-300000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMember2023-01-012023-06-300000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMember2023-01-012023-06-300000798941us-gaap:ResidentialMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMember2023-01-012023-06-300000798941fcnca:InvestorDependentEarlyStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMember2023-01-012023-06-300000798941fcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityMember2023-01-012023-06-300000798941us-gaap:PaymentDeferralMember2023-01-012023-06-300000798941fcnca:InterestRateReductionMember2023-01-012023-06-300000798941us-gaap:ExtendedMaturityAndInterestRateReductionMember2023-01-012023-06-300000798941fcnca:TermExtensionAndPaymentDelayMember2023-01-012023-06-300000798941fcnca:OtherCombinationsMember2023-01-012023-06-300000798941fcnca:FinancingReceivableLeasesMemberus-gaap:CommercialPortfolioSegmentMember2024-01-012024-06-300000798941us-gaap:AutomobileLoanMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:ConsumerLoanOtherMemberus-gaap:ConsumerPortfolioSegmentMember2024-01-012024-06-300000798941fcnca:RevolvingMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:AutomobileLoanMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:ConsumerLoanOtherMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancialAssetNotPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-07-012024-06-300000798941us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-07-012024-06-300000798941fcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-07-012024-06-300000798941fcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:CommercialPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancialAssetNotPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-07-012024-06-300000798941fcnca:CommercialAndIndustrialLoanMemberus-gaap:CommercialPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-07-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-07-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-07-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-07-012024-06-300000798941us-gaap:ResidentialMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-07-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-07-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-07-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberfcnca:RevolvingMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-07-012024-06-300000798941fcnca:RevolvingMortgageMemberus-gaap:ConsumerPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:ConsumerPortfolioSegmentMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancialAssetNotPastDueMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-07-012024-06-300000798941fcnca:InvestorDependentEarlyStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancialAssetNotPastDueMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentGrowthStageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-07-012024-06-300000798941fcnca:InvestorDependentGrowthStageMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancialAssetNotPastDueMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-07-012024-06-300000798941fcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-07-012024-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-07-012024-06-300000798941us-gaap:FinancialAssetNotPastDueMember2023-07-012024-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMember2023-07-012024-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMember2023-07-012024-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-07-012024-06-3000007989412023-07-012024-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancialAssetNotPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:OwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:NonOwnerOccupiedCommercialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancialAssetNotPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-06-300000798941us-gaap:CommercialPortfolioSegmentMemberfcnca:CommercialAndIndustrialLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-06-300000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancialAssetNotPastDueMember2023-01-012023-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-06-300000798941us-gaap:ConsumerPortfolioSegmentMemberus-gaap:ResidentialMortgageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-06-300000798941us-gaap:FinancialAssetNotPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2023-01-012023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancialAssetNotPastDueMember2023-01-012023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InvestorDependentEarlyStageMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancialAssetNotPastDueMember2023-01-012023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMemberfcnca:InnovationCreativityAndInnovationAndCashFlowDependentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-06-300000798941us-gaap:FinancialAssetNotPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberfcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-01-012023-06-300000798941us-gaap:FinancialAssetNotPastDueMember2023-01-012023-06-300000798941us-gaap:FinancingReceivables30To59DaysPastDueMember2023-01-012023-06-300000798941us-gaap:FinancingReceivables60To89DaysPastDueMember2023-01-012023-06-300000798941us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2023-01-012023-06-300000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMemberfcnca:FHLBOfAtlantaMember2024-06-300000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMemberfcnca:FHLBOfAtlantaMember2023-12-310000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMemberfcnca:FederalReserveBankMember2024-06-300000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:FinancialAssetAcquiredAndNoCreditDeteriorationMemberfcnca:FederalReserveBankMember2023-12-310000798941us-gaap:AssetPledgedAsCollateralMemberfcnca:FederalDepositInsuranceCorporationMember2024-06-300000798941us-gaap:AssetPledgedAsCollateralMemberfcnca:FederalDepositInsuranceCorporationMember2023-12-310000798941fcnca:FederalReserveBankOfRichmondMemberfcnca:OtherSecuredDebtMemberus-gaap:SecuredDebtMember2023-12-310000798941fcnca:FederalReserveBankOfRichmondMemberfcnca:OtherSecuredDebtMemberus-gaap:SecuredDebtMember2024-06-300000798941fcnca:PurchaseMoneyNoteMember2023-03-272023-03-270000798941us-gaap:CommercialPortfolioSegmentMember2024-03-310000798941us-gaap:ConsumerPortfolioSegmentMember2024-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2024-03-310000798941us-gaap:CommercialPortfolioSegmentMember2023-03-310000798941us-gaap:ConsumerPortfolioSegmentMember2023-03-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-03-310000798941us-gaap:CommercialPortfolioSegmentMember2023-06-300000798941us-gaap:ConsumerPortfolioSegmentMember2023-06-300000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2023-06-300000798941us-gaap:CommercialPortfolioSegmentMember2022-12-310000798941us-gaap:ConsumerPortfolioSegmentMember2022-12-310000798941fcnca:SiliconValleyBridgeBankPortfolioSegmentMember2022-12-310000798941srt:MaximumMember2024-06-300000798941srt:MinimumMember2024-06-300000798941fcnca:ExcessiveBuildingSpaceNoLongerUtilizingMembersrt:MaximumMember2024-06-300000798941us-gaap:CoreDepositsMember2023-12-310000798941us-gaap:CoreDepositsMember2024-01-012024-06-300000798941us-gaap:CoreDepositsMember2024-06-300000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:InvestmentInQualifiedAffordableHousingProjectsMember2024-06-300000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:InvestmentInQualifiedAffordableHousingProjectsMember2023-12-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:OtherTaxCreditEquityInvestmentMember2024-06-300000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:OtherTaxCreditEquityInvestmentMember2023-12-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:TaxCreditEquityInvestmentMember2024-06-300000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:TaxCreditEquityInvestmentMember2023-12-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:OtherUnconsolidatedInvestmentsMember2024-06-300000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:OtherUnconsolidatedInvestmentsMember2023-12-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2024-06-300000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-12-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:CommitmentsToTaxCreditInvestmentsMember2024-06-300000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberfcnca:CommitmentsToTaxCreditInvestmentsMember2023-12-310000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2024-04-012024-06-300000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-04-012023-06-300000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2024-01-012024-06-300000798941us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2023-01-012023-06-300000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:SecuritiesAssetsMember2024-06-300000798941us-gaap:AssetPledgedAsCollateralMemberus-gaap:SecuritiesAssetsMember2023-12-310000798941fcnca:FixedToFloatingSubordinatedNotesAt3375Membersrt:ParentCompanyMemberus-gaap:SubordinatedDebtMember2024-06-300000798941fcnca:FixedToFloatingSubordinatedNotesAt3375Membersrt:ParentCompanyMemberus-gaap:SubordinatedDebtMember2023-12-310000798941fcnca:JuniorSubordinatedDebenturesFCBSCCapitalTrustIIMembersrt:ParentCompanyMemberus-gaap:SubordinatedDebtMember2024-06-300000798941fcnca:JuniorSubordinatedDebenturesFCBSCCapitalTrustIIMembersrt:ParentCompanyMemberus-gaap:SubordinatedDebtMember2023-12-310000798941fcnca:SeniorUnsecuredNotesAt2969Membersrt:SubsidiariesMemberus-gaap:SeniorNotesMember2024-06-300000798941fcnca:SeniorUnsecuredNotesAt2969Membersrt:SubsidiariesMemberus-gaap:SeniorNotesMember2023-12-310000798941fcnca:FixedSeniorUnsecuredNotesAt600Membersrt:SubsidiariesMemberus-gaap:SeniorNotesMember2024-06-300000798941fcnca:FixedSeniorUnsecuredNotesAt600Membersrt:SubsidiariesMemberus-gaap:SeniorNotesMember2023-12-310000798941fcnca:FixedSubordinatedNotesAt6125Membersrt:SubsidiariesMemberus-gaap:SubordinatedDebtMember2024-06-300000798941fcnca:FixedSubordinatedNotesAt6125Membersrt:SubsidiariesMemberus-gaap:SubordinatedDebtMember2023-12-310000798941fcnca:FixedToFixedSubordinatedNotesAt4125Membersrt:SubsidiariesMemberus-gaap:SubordinatedDebtMember2024-06-300000798941fcnca:FixedToFixedSubordinatedNotesAt4125Membersrt:SubsidiariesMemberus-gaap:SubordinatedDebtMember2023-12-310000798941fcnca:JuniorSubordinatedDebenturesSCBCapitalTrustIMembersrt:SubsidiariesMemberus-gaap:SubordinatedDebtMember2024-06-300000798941fcnca:JuniorSubordinatedDebenturesSCBCapitalTrustIMembersrt:SubsidiariesMemberus-gaap:SubordinatedDebtMember2023-12-310000798941fcnca:PurchaseMoneyNoteToFDICFixedAt3.50Membersrt:SubsidiariesMemberus-gaap:SecuredDebtMember2024-06-300000798941fcnca:PurchaseMoneyNoteToFDICFixedAt3.50Membersrt:SubsidiariesMemberus-gaap:SecuredDebtMember2023-12-310000798941us-gaap:SecuredDebtMember2024-01-012024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:BankTimeDepositsMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:BankTimeDepositsMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:LongTermDebtMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:LongTermDebtMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:FairValueHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:FairValueHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberus-gaap:LoansMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberus-gaap:LoansMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:InterestRateContractMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:ForeignExchangeContractMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:ForeignExchangeContractMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:OtherContractMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:OtherContractMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:NondesignatedMember2024-06-300000798941us-gaap:NondesignatedMember2023-12-310000798941fcnca:ForeignExchangeSpotContractMemberus-gaap:NondesignatedMember2024-06-300000798941fcnca:ForeignExchangeSpotContractMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:BankTimeDepositsMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-04-012024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:BankTimeDepositsMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-04-012023-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:BankTimeDepositsMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-01-012024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:BankTimeDepositsMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-01-012023-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:BorrowingsMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-04-012024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:BorrowingsMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-04-012023-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:BorrowingsMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-01-012024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:BorrowingsMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-01-012023-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-04-012024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-04-012023-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-01-012024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-01-012023-06-300000798941us-gaap:LongTermDebtMember2024-06-300000798941us-gaap:LongTermDebtMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:LongTermDebtMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:BankTimeDepositsMember2024-06-300000798941us-gaap:BankTimeDepositsMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:BankTimeDepositsMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:LongTermDebtMember2023-12-310000798941us-gaap:LongTermDebtMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:LongTermDebtMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:InterestRateContractMemberus-gaap:NondesignatedMember2024-04-012024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:NondesignatedMember2023-04-012023-06-300000798941us-gaap:InterestRateContractMemberus-gaap:NondesignatedMember2024-01-012024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:NondesignatedMember2023-01-012023-06-300000798941us-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMember2024-04-012024-06-300000798941us-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMember2023-04-012023-06-300000798941us-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMember2024-01-012024-06-300000798941us-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMember2023-01-012023-06-300000798941us-gaap:OtherContractMemberus-gaap:NondesignatedMember2024-04-012024-06-300000798941us-gaap:OtherContractMemberus-gaap:NondesignatedMember2023-04-012023-06-300000798941us-gaap:OtherContractMemberus-gaap:NondesignatedMember2024-01-012024-06-300000798941us-gaap:OtherContractMemberus-gaap:NondesignatedMember2023-01-012023-06-300000798941us-gaap:NondesignatedMember2024-04-012024-06-300000798941us-gaap:NondesignatedMember2023-04-012023-06-300000798941us-gaap:NondesignatedMember2024-01-012024-06-300000798941us-gaap:NondesignatedMember2023-01-012023-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasurySecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasurySecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasurySecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasurySecuritiesMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentAgenciesDebtSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentAgenciesDebtSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentAgenciesDebtSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentAgenciesDebtSecuritiesMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MunicipalBondsMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MunicipalBondsMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MunicipalBondsMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MunicipalBondsMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:InterestRateContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:InterestRateContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:InterestRateContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:ForeignExchangeContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:ForeignExchangeContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:ForeignExchangeContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignExchangeContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941fcnca:OtherDerivativeMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberfcnca:OtherDerivativeMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberfcnca:OtherDerivativeMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberfcnca:OtherDerivativeMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasurySecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasurySecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasurySecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasurySecuritiesMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentAgenciesDebtSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentAgenciesDebtSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentAgenciesDebtSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USGovernmentAgenciesDebtSecuritiesMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MunicipalBondsMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MunicipalBondsMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MunicipalBondsMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MunicipalBondsMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:InterestRateContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:InterestRateContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:InterestRateContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:ForeignExchangeContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:ForeignExchangeContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:ForeignExchangeContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignExchangeContractMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941fcnca:OtherDerivativeMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberfcnca:OtherDerivativeMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberfcnca:OtherDerivativeMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberfcnca:OtherDerivativeMemberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:NondesignatedMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberfcnca:InterestRateAndOtherDerivativeMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberfcnca:InterestRateAndOtherDerivativeMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsAssetsMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsLiabilitiesMember2023-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2022-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsAssetsMember2022-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsLiabilitiesMember2022-12-310000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2024-01-012024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsAssetsMember2024-01-012024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsLiabilitiesMember2024-01-012024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2023-01-012023-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsAssetsMember2023-01-012023-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsLiabilitiesMember2023-01-012023-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsAssetsMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsLiabilitiesMember2024-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2023-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsAssetsMember2023-06-300000798941us-gaap:FairValueMeasurementsRecurringMemberus-gaap:DerivativeFinancialInstrumentsLiabilitiesMember2023-06-300000798941fcnca:ResidentialMortgateLoansHeldForSaleMember2024-06-300000798941fcnca:ResidentialMortgateLoansHeldForSaleMember2023-12-310000798941us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsNonrecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsNonrecurringMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsNonrecurringMember2024-06-300000798941us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:ChangeDuringPeriodFairValueDisclosureMember2024-06-300000798941us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsNonrecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsNonrecurringMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsNonrecurringMember2023-12-310000798941us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:ChangeDuringPeriodFairValueDisclosureMember2023-12-310000798941us-gaap:MeasurementInputDiscountRateMembersrt:MinimumMember2024-06-300000798941us-gaap:MeasurementInputDiscountRateMembersrt:MaximumMember2024-06-300000798941us-gaap:MeasurementInputDiscountRateMember2024-06-300000798941us-gaap:MeasurementInputDiscountRateMember2023-12-310000798941us-gaap:CarryingReportedAmountFairValueDisclosureMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2024-06-300000798941us-gaap:EstimateOfFairValueFairValueDisclosureMember2024-06-300000798941us-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:DesignatedAsHedgingInstrumentMember2024-06-300000798941us-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:FairValueInputsLevel2Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:NondesignatedMember2024-06-300000798941us-gaap:CarryingReportedAmountFairValueDisclosureMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310000798941us-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-12-310000798941us-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:FairValueInputsLevel2Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:NondesignatedMember2023-12-310000798941us-gaap:CommonClassAMember2024-03-310000798941us-gaap:CommonClassBMember2024-03-310000798941us-gaap:SeriesAPreferredStockMember2024-06-300000798941us-gaap:SeriesBPreferredStockMember2024-06-300000798941us-gaap:SeriesCPreferredStockMember2024-06-300000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2024-06-300000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2023-12-310000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2024-06-300000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2023-12-310000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2024-06-300000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-12-310000798941us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2024-06-300000798941us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-12-310000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2024-01-012024-06-300000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2024-01-012024-06-300000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2024-01-012024-06-300000798941us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2024-01-012024-06-300000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2022-12-310000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2022-12-310000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-12-310000798941us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-12-310000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2023-01-012023-06-300000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2023-01-012023-06-300000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-01-012023-06-300000798941us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-01-012023-06-300000798941fcnca:AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleExcludingTransfersParentMember2023-06-300000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2023-06-300000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-06-300000798941us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-06-300000798941us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2024-04-012024-06-300000798941us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2023-04-012023-06-300000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2024-04-012024-06-300000798941fcnca:AOCIAccumulatedGainLossOnSecuritiesTransferredFromAvailableForSaleToHeldForMaturityParentMember2023-04-012023-06-300000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2024-04-012024-06-300000798941us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-04-012023-06-300000798941us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2024-04-012024-06-300000798941us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-04-012023-06-300000798941us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2024-01-012024-06-300000798941us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2023-01-012023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:GeneralBankSegmentMember2024-04-012024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:CommercialBankSegmentMember2024-04-012024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:SVBCommercialSegmentMember2024-04-012024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:RailSegmentMember2024-04-012024-06-300000798941us-gaap:CorporateNonSegmentMember2024-04-012024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:GeneralBankSegmentMember2024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:CommercialBankSegmentMember2024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:SVBCommercialSegmentMember2024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:RailSegmentMember2024-06-300000798941us-gaap:CorporateNonSegmentMember2024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:GeneralBankSegmentMember2023-04-012023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:CommercialBankSegmentMember2023-04-012023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:SVBCommercialSegmentMember2023-04-012023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:RailSegmentMember2023-04-012023-06-300000798941us-gaap:CorporateNonSegmentMember2023-04-012023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:GeneralBankSegmentMember2023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:CommercialBankSegmentMember2023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:SVBCommercialSegmentMember2023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:RailSegmentMember2023-06-300000798941us-gaap:CorporateNonSegmentMember2023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:GeneralBankSegmentMember2024-01-012024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:CommercialBankSegmentMember2024-01-012024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:SVBCommercialSegmentMember2024-01-012024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:RailSegmentMember2024-01-012024-06-300000798941us-gaap:CorporateNonSegmentMember2024-01-012024-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:GeneralBankSegmentMember2023-01-012023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:CommercialBankSegmentMember2023-01-012023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:SVBCommercialSegmentMember2023-01-012023-06-300000798941us-gaap:OperatingSegmentsMemberfcnca:RailSegmentMember2023-01-012023-06-300000798941us-gaap:CorporateNonSegmentMember2023-01-012023-06-300000798941us-gaap:UnfundedLoanCommitmentMember2024-06-300000798941us-gaap:UnfundedLoanCommitmentMember2023-12-310000798941us-gaap:StandbyLettersOfCreditMember2024-06-300000798941us-gaap:StandbyLettersOfCreditMember2023-12-310000798941fcnca:OtherLettersOfCreditMember2024-06-300000798941fcnca:OtherLettersOfCreditMember2023-12-310000798941fcnca:DeferredPurchaseAgreementsMember2024-06-300000798941fcnca:DeferredPurchaseAgreementsMember2023-12-310000798941fcnca:LessorCommitmentsMember2024-06-300000798941fcnca:LessorCommitmentsMember2023-12-310000798941fcnca:OffBalanceSheetCommitmentMember2024-06-300000798941fcnca:OffBalanceSheetCommitmentMember2023-12-31
於2023年12月31日,我們的貸款及租賃披露以及貸款及租賃損失準備(「ALLL」)被彙總爲商業、消費者和SVB投資組合,每個投資組合由幾個貸款類別組成。SVB投資組合由以下貸款類別組成:全球基金銀行、投資者依賴早期階段、投資者依賴增長階段、創新商業和工業(「創新C&I」)和現金流依賴、私人銀行、商業房地產(「CRE」)和「其他」。欲了解更多信息,請參閱附註1-重要會計政策和綜合財務報表附註中的列報基礎,該附註包括在我們的2023 Form 10-K中。
由於前瞻性陳述與未來結果和事件有關,它們會受到內在風險、不確定性、環境變化和其他難以預測的因素的影響。許多可能發生的事件或因素可能會影響BancShares公司未來的財務業績和業績,並可能導致BancShares公司的實際業績、業績或成就與這些前瞻性陳述中明示或暗示的任何預期結果大不相同。這些風險和不確定性包括但不限於總體競爭、經濟、政治(包括即將到來的美國大選)、地緣政治事件(包括烏克蘭和中東的衝突)和市場狀況,包括金融機構之間競爭壓力的變化以及與最近銀行倒閉有關或造成的影響,未來銀行倒閉和銀行業其他波動的風險和影響,公衆對我們業務做法的看法,包括我們的存款定價和收購活動,BancShares供應商或客戶的財務成功或不斷變化的條件或策略,包括對存款、貸款和其他金融服務的需求的變化,利率的波動,BancShares貸款或投資組合的質量或構成的變化,政府監管機構的行動,包括最近加息和FRB的任何變化,對BancShares採取行動的未來成本和收益的估計的變化,BancShares保持充足資金和流動性來源的能力,FRB決定對BancShares資本計劃的潛在影響,美國或全球經濟狀況的不利發展,包括資本或金融市場的重大動盪,任何持續或加劇的通脹環境的影響,任何網絡攻擊、信息或安全漏洞的影響,實施和遵守現行或擬議法律的影響,監管和監管解釋,包括可能增加的監管要求、限制和成本,如FDIC特別評估、提高FDIC存款保險費和最近提出的關於監管資本的機構間規則,以及此類法律、法規和監管解釋可能發生變化的風險、資本和人員的可獲得性,以及與BancShares之前的收購交易(包括收購SVBb和之前完成的與CIT Group Inc.的交易)或任何未來交易相關的風險。