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  <xs:element id="lkfn_FinancingReceivableCollateralDependentBorrowingsAmortizedCost" abstract="false" name="FinancingReceivableCollateralDependentBorrowingsAmortizedCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DebtSecuritiesNontraditionalBondMutualFundsMember" abstract="true" name="DebtSecuritiesNontraditionalBondMutualFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_LoanServicingRightsPolicyTextBlock" abstract="false" name="LoanServicingRightsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_UsTreasurySecuritiesFairValueDisclosure" abstract="false" name="UsTreasurySecuritiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_TreasuryStockSoldAndDistributedUnderDeferredDirectorsPlanShares" abstract="false" name="TreasuryStockSoldAndDistributedUnderDeferredDirectorsPlanShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lkfn_InterestAndFeeIncomeNontaxable" abstract="false" name="InterestAndFeeIncomeNontaxable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_CetOneRiskBasedCapitalRequiredForCapitalAdequacy" abstract="false" name="CetOneRiskBasedCapitalRequiredForCapitalAdequacy" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_AllowanceForLoanLossesAndCreditQualityTextBlock" abstract="false" name="AllowanceForLoanLossesAndCreditQualityTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_TreasuryStockSharesPurchased" abstract="false" name="TreasuryStockSharesPurchased" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lkfn_BorrowingCapacityFederalHomeLoanBank" abstract="false" name="BorrowingCapacityFederalHomeLoanBank" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DeferredCompensationPlanMember" abstract="true" name="DeferredCompensationPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_ScheduleOfAmortizedCostBasisOfCollateralDependentLoansTableTextBlock" abstract="false" name="ScheduleOfAmortizedCostBasisOfCollateralDependentLoansTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_ReclassificationAccumulatedOtherComprehensiveIncomeTableTextBlock" abstract="false" name="ReclassificationAccumulatedOtherComprehensiveIncomeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_DefinedContributionPlanCostBenefit" abstract="false" name="DefinedContributionPlanCostBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DebtSecuritiesBankLoanMutualFundsMember" abstract="true" name="DebtSecuritiesBankLoanMutualFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_PercentageOfDiscountFromAppraisedValue" abstract="false" name="PercentageOfDiscountFromAppraisedValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lkfn_DebtSecuritiesPreferredStockMutualFundsMember" abstract="true" name="DebtSecuritiesPreferredStockMutualFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_AssetsMeasuredAtFairValueOnRecurringBasisAbstract" abstract="true" name="AssetsMeasuredAtFairValueOnRecurringBasisAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_DebtSecuritiesHeldToMaturityTransferredFromAvailableForSaleUnrealizedLoss" abstract="false" name="DebtSecuritiesHeldToMaturityTransferredFromAvailableForSaleUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_OffsettingAssetsAndLiabilityTableTextBlock" abstract="false" name="OffsettingAssetsAndLiabilityTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModification" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModification" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lkfn_DeferredTaxLiabilitiesSpillOverDividend" abstract="false" name="DeferredTaxLiabilitiesSpillOverDividend" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FinancingReceivableAmortizedCostNonaccrualWithNoAllowanceOfCreditLoss" abstract="false" name="FinancingReceivableAmortizedCostNonaccrualWithNoAllowanceOfCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DividendsPayableAndOtherLiabilities" abstract="false" name="DividendsPayableAndOtherLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DepositsByTypeTableTextBlock" abstract="false" name="DepositsByTypeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_NumberOfRetiredOfficers" abstract="false" name="NumberOfRetiredOfficers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lkfn_CommercialAndIndustrialLoansMember" abstract="true" name="CommercialAndIndustrialLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_NonEmployeeDirectorsOfTheBoardMember" abstract="true" name="NonEmployeeDirectorsOfTheBoardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_DebtSecuritiesAvailableForSaleAndHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss" abstract="false" name="DebtSecuritiesAvailableForSaleAndHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_PlanMember" abstract="true" name="PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_FinancialAsset30To89DaysPastDueMember" abstract="true" name="FinancialAsset30To89DaysPastDueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_SummaryOfDifferencesInTaxesFromContinuingOperationsTableTextBlock" abstract="false" name="SummaryOfDifferencesInTaxesFromContinuingOperationsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_A401KPlanMember" abstract="true" name="A401KPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_PreviousCreditAgreementMember" abstract="true" name="PreviousCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_PerformanceStockUnitsNettingMember" abstract="true" name="PerformanceStockUnitsNettingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_AssetsPledgedAsCollateralForLoansReceivableLineItems" abstract="true" name="AssetsPledgedAsCollateralForLoansReceivableLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_ValuationMethodologyAndUnobservableInputsForLevel3AssetsMeasuredAtFairValueTable" abstract="true" name="ValuationMethodologyAndUnobservableInputsForLevel3AssetsMeasuredAtFairValueTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_UnallocatedMember" abstract="true" name="UnallocatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_CetOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" abstract="false" name="CetOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lkfn_CommercialRealEstatesMember" abstract="true" name="CommercialRealEstatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_CapitalRequirementsAndRestrictionsOnRetainedEarningsTextBlock" abstract="false" name="CapitalRequirementsAndRestrictionsOnRetainedEarningsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_NumberOfCountiesWhereBranchOfficesAreLocated" abstract="false" name="NumberOfCountiesWhereBranchOfficesAreLocated" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lkfn_InventoryWorkInProcessMember" abstract="true" name="InventoryWorkInProcessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_CetOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" abstract="false" name="CetOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lkfn_OtherBenefitPlansAbstract" abstract="true" name="OtherBenefitPlansAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_DepositsTextBlock" abstract="false" name="DepositsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_DebtSecuritiesHeldToMaturityTransferredFromAvailableForSaleFairValue" abstract="false" name="DebtSecuritiesHeldToMaturityTransferredFromAvailableForSaleFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_IncomeBeforeEquityInUndistributedIncomeOfSubsidiaries" abstract="false" name="IncomeBeforeEquityInUndistributedIncomeOfSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionsAndPostretirementBenefits" abstract="false" name="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionsAndPostretirementBenefits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_ScheduleOfFairValuesOfPensionPlanAndPostretirementPlanAssetsByAssetCategoryTableTextBlock" abstract="false" name="ScheduleOfFairValuesOfPensionPlanAndPostretirementPlanAssetsByAssetCategoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_NumberOfSecuritiesWithUnrealizedLossesAbstract" abstract="true" name="NumberOfSecuritiesWithUnrealizedLossesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_ExcessCetOneRiskBasedCapitalToRiskWeightedAssets" abstract="false" name="ExcessCetOneRiskBasedCapitalToRiskWeightedAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lkfn_DeferredTaxLiabilitiesLeaseRightOfUseAssets" abstract="false" name="DeferredTaxLiabilitiesLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_UnsecuredRevolvingCreditAgreementMember" abstract="true" name="UnsecuredRevolvingCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_FinishedGoodsMember" abstract="true" name="FinishedGoodsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_SharesPurchasedUnderDirectorDeferredCompensationPlanIncludedInTreasuryStock" abstract="false" name="SharesPurchasedUnderDirectorDeferredCompensationPlanIncludedInTreasuryStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lkfn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIntrinsicValueVestedInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIntrinsicValueVestedInPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_CommitmentsOffbalanceSheetRisksAndContingenciesTable" abstract="true" name="CommitmentsOffbalanceSheetRisksAndContingenciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_BankOwnedLifeInsurancePolicyTextBlock" abstract="false" name="BankOwnedLifeInsurancePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_FinancingReceivableThresholdForIndividuallyEvaluatedForImpairment" abstract="false" name="FinancingReceivableThresholdForIndividuallyEvaluatedForImpairment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_TotalCommercialAndIndustrialLoansMember" abstract="true" name="TotalCommercialAndIndustrialLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_MiscellaneousBorrowingsFairValueDisclosure" abstract="false" name="MiscellaneousBorrowingsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_LineOfCreditFacilityRemainingBorrowingCapacityNumberOfBanks" abstract="false" name="LineOfCreditFacilityRemainingBorrowingCapacityNumberOfBanks" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lkfn_PledgedFinancialInstrumentsNotSeparatelyReportedCommercialLoansForFederalReserveBankDebt" abstract="false" name="PledgedFinancialInstrumentsNotSeparatelyReportedCommercialLoansForFederalReserveBankDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_ValuationCollateralBasedMeasurementsMember" abstract="true" name="ValuationCollateralBasedMeasurementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_Timedeposits250000Ormore" abstract="false" name="Timedeposits250000Ormore" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_NatureOfOperationsAndPrinciplesOfConsolidationPolicyTextBlock" abstract="false" name="NatureOfOperationsAndPrinciplesOfConsolidationPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_EarningOnLifeInsurance" abstract="false" name="EarningOnLifeInsurance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FinancingReceivableRealEstateAmortizedCost" abstract="false" name="FinancingReceivableRealEstateAmortizedCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_LifeInsuranceMember" abstract="true" name="LifeInsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_ScheduleOfRateOfInterestPercentageFinancialInstrumentsTableTextBlock" abstract="false" name="ScheduleOfRateOfInterestPercentageFinancialInstrumentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_NumberOfDebtSecuritiesAvailableForSaleSoldAtFairValue" abstract="false" name="NumberOfDebtSecuritiesAvailableForSaleSoldAtFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lkfn_MortgageLoansOnRealEstateCarryingValue" abstract="false" name="MortgageLoansOnRealEstateCarryingValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_OtherTimeDeposits" abstract="false" name="OtherTimeDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_PayCheckProtectionProgramMember" abstract="true" name="PayCheckProtectionProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_ImpairedLoansFairValueDisclosure" abstract="false" name="ImpairedLoansFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_InterestRateSwapDerivativesPolicyPolicyTextBlock" abstract="false" name="InterestRateSwapDerivativesPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_WireFraudLoss" abstract="false" name="WireFraudLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_NonWorkingCapitalLoansMember" abstract="true" name="NonWorkingCapitalLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_AmountOfVariance" abstract="false" name="AmountOfVariance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_ResidentialConstructionAndLandDevelopmentLoansMember" abstract="true" name="ResidentialConstructionAndLandDevelopmentLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_HeldToMaturitySecuritiesWithMaturitiesFairValue" abstract="false" name="HeldToMaturitySecuritiesWithMaturitiesFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DeferredTaxAssetsNonaccrualLoanInterest" abstract="false" name="DeferredTaxAssetsNonaccrualLoanInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DebtSecuritiesHeldToMaturityUnrealizedLossPositionFairValueTableTextBlock" abstract="false" name="DebtSecuritiesHeldToMaturityUnrealizedLossPositionFairValueTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_UsGovernmentAgenciesSecuritiesFairValueDisclosure" abstract="false" name="UsGovernmentAgenciesSecuritiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_CollateralDependentLoansMember" abstract="true" name="CollateralDependentLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_DefinedBenefitPlanExpectedAmortizationInNextFiscalYear" abstract="false" name="DefinedBenefitPlanExpectedAmortizationInNextFiscalYear" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FeesAndCommissionsLoanAndServiceFees" abstract="false" name="FeesAndCommissionsLoanAndServiceFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DepositsWithOtherInstitutions" abstract="false" name="DepositsWithOtherInstitutions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_ShareBasedCompensationSharesAuthorizedUnderEquityIncentivePlans" abstract="false" name="ShareBasedCompensationSharesAuthorizedUnderEquityIncentivePlans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lkfn_Cetoneriskbasedcapitaltoriskweightedassets" abstract="false" name="Cetoneriskbasedcapitaltoriskweightedassets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lkfn_DeferredTaxAssetsBadDebts" abstract="false" name="DeferredTaxAssetsBadDebts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DepositsInSubsidiaryDepositoryInstitution" abstract="false" name="DepositsInSubsidiaryDepositoryInstitution" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FinancingReceivableAmortizedCostNonaccrual" abstract="false" name="FinancingReceivableAmortizedCostNonaccrual" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_PledgedFinancialInstrumentsNotSeparatelyReportedResidentialMortgageLoansAndMortgageRelatedSecuritiesAvailableForSaleForFederalHomeBankDebt" abstract="false" name="PledgedFinancialInstrumentsNotSeparatelyReportedResidentialMortgageLoansAndMortgageRelatedSecuritiesAvailableForSaleForFederalHomeBankDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DeferredTaxAssetsLeaseLiability" abstract="false" name="DeferredTaxAssetsLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_ProceedsFromShortTermFHLBBorrowings" abstract="false" name="ProceedsFromShortTermFHLBBorrowings" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DeferredTaxLiabilitiesDepreciation" abstract="false" name="DeferredTaxLiabilitiesDepreciation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_RealEstateConstructionMortgageLoansMember" abstract="true" name="RealEstateConstructionMortgageLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_PaymentsOnLongTermFederalHomeLoanBankBorrowings" abstract="false" name="PaymentsOnLongTermFederalHomeLoanBankBorrowings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FeesAndCommissionsDepositorsAccounts" abstract="false" name="FeesAndCommissionsDepositorsAccounts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DebtSecuritiesHighYieldBondMutualFundsMember" abstract="true" name="DebtSecuritiesHighYieldBondMutualFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_LoansSecuredByFarmlandMember" abstract="true" name="LoansSecuredByFarmlandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_LoanAmountOfCreditQualityAnalysis" abstract="false" name="LoanAmountOfCreditQualityAnalysis" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_EquitySecuritiesUSMidCapStockMutualFundsMember" abstract="true" name="EquitySecuritiesUSMidCapStockMutualFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_BankMember" abstract="true" name="BankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_OtherConsumerMember" abstract="true" name="OtherConsumerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_NotRatedMember" abstract="true" name="NotRatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_AccruedInterestPayableFairValueCurrent" abstract="false" name="AccruedInterestPayableFairValueCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_MortgageBankingDerivativeLiabilitiesFairValueDisclosure" abstract="false" name="MortgageBankingDerivativeLiabilitiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_ContractualInterestRateReductionExtendedMaturityAndPaymentDeferralMember" abstract="true" name="ContractualInterestRateReductionExtendedMaturityAndPaymentDeferralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_EquityMethodInvestmentsRemainingCommitments" abstract="false" name="EquityMethodInvestmentsRemainingCommitments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_RestrictionOnCashPolicyTextBlock" abstract="false" name="RestrictionOnCashPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_DebtSecuritiesHeldToMaturityTransferredFromAvailableForSaleUnrealizedLossNetOfTax" abstract="false" name="DebtSecuritiesHeldToMaturityTransferredFromAvailableForSaleUnrealizedLossNetOfTax" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_IncomeTaxReconciliationDeductionsCaptiveInsurancePremiumIncome" abstract="false" name="IncomeTaxReconciliationDeductionsCaptiveInsurancePremiumIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_TreasurySharesPurchasedDeferredDirectorsPlan" abstract="false" name="TreasurySharesPurchasedDeferredDirectorsPlan" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisValuationTechniquesTableTableTextBlock" abstract="false" name="FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisValuationTechniquesTableTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_DemandDepositLiabilitiesInterestBearing" abstract="false" name="DemandDepositLiabilitiesInterestBearing" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FinancingReceivableCommitmentsFixedRatesPercentageRate" abstract="false" name="FinancingReceivableCommitmentsFixedRatesPercentageRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lkfn_MortgageBackedSecuritiesResidentialAvailableForSaleFairValueDisclosure" abstract="false" name="MortgageBackedSecuritiesResidentialAvailableForSaleFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FinancingReceivableAmortizedCost90DaysOrMorePastDueStillAccruing" abstract="false" name="FinancingReceivableAmortizedCost90DaysOrMorePastDueStillAccruing" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DebtSecuritiesHeldToMaturityAbstract" abstract="true" name="DebtSecuritiesHeldToMaturityAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_AgriBusinessAndAgriculturalLoansMember" abstract="true" name="AgriBusinessAndAgriculturalLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_AllowanceForLoanLossesAndCreditQualityAbstract" abstract="true" name="AllowanceForLoanLossesAndCreditQualityAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_InterestAndFeeIncomeTaxable" abstract="false" name="InterestAndFeeIncomeTaxable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_EquitySecuritiesUsLargeCapCommonStocksMember" abstract="true" name="EquitySecuritiesUsLargeCapCommonStocksMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_NewlyIssuedButNotYetEffectiveAccountingStandardsPolicyTextBlock" abstract="false" name="NewlyIssuedButNotYetEffectiveAccountingStandardsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_EquitySecuritiesInternationalStockMutualFundsMember" abstract="true" name="EquitySecuritiesInternationalStockMutualFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_AmericanFinancialExchangeMember" abstract="true" name="AmericanFinancialExchangeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months" abstract="false" name="NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lkfn_DeferredTaxLiabilitiesStateTaxes" abstract="false" name="DeferredTaxLiabilitiesStateTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_TwoThousandSeventeenMember" abstract="true" name="TwoThousandSeventeenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_InvestmentInFederalReserveAndFederalHomeLoanBankStockFairValueDisclosure" abstract="false" name="InvestmentInFederalReserveAndFederalHomeLoanBankStockFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DeferredTaxAssetsLongTermIncentivePlan" abstract="false" name="DeferredTaxAssetsLongTermIncentivePlan" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FinancingReceivableAmortizedCostBeforeAllowanceForCreditLossExcludingAccruedInterest" abstract="false" name="FinancingReceivableAmortizedCostBeforeAllowanceForCreditLossExcludingAccruedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_TotalConsumer1To4FamilyMortgageLoansMember" abstract="true" name="TotalConsumer1To4FamilyMortgageLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_RegulatoryFeesAndFederalDepositInsuranceCorporationInsurance" abstract="false" name="RegulatoryFeesAndFederalDepositInsuranceCorporationInsurance" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueQualitativeInformationPrepaymentSpeed" abstract="false" name="ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueQualitativeInformationPrepaymentSpeed" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lkfn_AgribusinessAndAgriculturalMember" abstract="true" name="AgribusinessAndAgriculturalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_EquitySecuritiesEmergingMarketsStockMutualFundsMember" abstract="true" name="EquitySecuritiesEmergingMarketsStockMutualFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_FinancingReceivableReceivableCommitmentsVariableRatesPercentageRate" abstract="false" name="FinancingReceivableReceivableCommitmentsVariableRatesPercentageRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lkfn_PaymentsOnShortTermFHLBBorrowings" abstract="false" name="PaymentsOnShortTermFHLBBorrowings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_PerformanceStockUnitsMember" abstract="true" name="PerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_OtherRealEstateOwnedMember" abstract="true" name="OtherRealEstateOwnedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_LongTermAssetsPolicyTextBlock" abstract="false" name="LongTermAssetsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_CashMoneyMarketAccountMember" abstract="true" name="CashMoneyMarketAccountMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_DepositsAvailableToBank" abstract="false" name="DepositsAvailableToBank" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_EffectOfChangesInRelatedParties" abstract="false" name="EffectOfChangesInRelatedParties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_ProceedsFromReturnOfCapitalFromSubsidiary" abstract="false" name="ProceedsFromReturnOfCapitalFromSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_NumberOfBranchOffices" abstract="false" name="NumberOfBranchOffices" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lkfn_InterestRateSwapFeeIncome" abstract="false" name="InterestRateSwapFeeIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_OtherBenefitPlanTable" abstract="true" name="OtherBenefitPlanTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_LakeCityBankDeferredCompensationPlanMember" abstract="true" name="LakeCityBankDeferredCompensationPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_BorrowingCapacityFederalReserveBank" abstract="false" name="BorrowingCapacityFederalReserveBank" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_OwnerOccupiedLoansMember" abstract="true" name="OwnerOccupiedLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_DebtSecuritiesShortTermBondMutualFundsMember" abstract="true" name="DebtSecuritiesShortTermBondMutualFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_EffectiveIncomeTaxRateReconciliationDeductionLongTermIncentivePlanAndDeferredCompensationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationDeductionLongTermIncentivePlanAndDeferredCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_CommitmentsOffbalanceSheetRisksAndContingenciesLineItems" abstract="true" name="CommitmentsOffbalanceSheetRisksAndContingenciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_EquityInUndistributedIncomeOfSubsidiaries" abstract="false" name="EquityInUndistributedIncomeOfSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_LoansForAgriculturalProductionMember" abstract="true" name="LoansForAgriculturalProductionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_CapitalConservationBufferPercent" abstract="false" name="CapitalConservationBufferPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lkfn_ExecutiveMember" abstract="true" name="ExecutiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_DeferredTaxAssetsUnrealizedGainLossesOnAvailableForSaleSecuritiesGross" abstract="false" name="DeferredTaxAssetsUnrealizedGainLossesOnAvailableForSaleSecuritiesGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_CapitalRequirementsAndRestrictionsOnRetainedEarningsAbstract" abstract="true" name="CapitalRequirementsAndRestrictionsOnRetainedEarningsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_ScheduleOfSalesOfSecuritiesAvailableForSaleTableTextBlock" abstract="false" name="ScheduleOfSalesOfSecuritiesAvailableForSaleTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_UnobservableInputs" abstract="false" name="UnobservableInputs" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_AmountOfDepositsDrawn" abstract="false" name="AmountOfDepositsDrawn" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_CorporateAndBusinessDevelopmentExpense" abstract="false" name="CorporateAndBusinessDevelopmentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_NonownerOccupiedLoansMember" abstract="true" name="NonownerOccupiedLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_MultifamilyLoansMember" abstract="true" name="MultifamilyLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_QuantitativeDisclosureOfAvailableForSaleSecuritiesTableTextBlock" abstract="false" name="QuantitativeDisclosureOfAvailableForSaleSecuritiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lkfn_OffsettingAssetsAndLiabilitiesAbstract" abstract="true" name="OffsettingAssetsAndLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_InvestmentInBankingSubsidiary" abstract="false" name="InvestmentInBankingSubsidiary" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_SalesOfSecuritiesAvailableForSaleAbstract" abstract="true" name="SalesOfSecuritiesAvailableForSaleAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_Excesscetoneriskbasedcapital" abstract="false" name="Excesscetoneriskbasedcapital" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DeferredTaxAssetsDeferredLoanFees" abstract="false" name="DeferredTaxAssetsDeferredLoanFees" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_OtherConsumerLoansMember" abstract="true" name="OtherConsumerLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lkfn_StateAndMunicipalSecuritiesFairValueDisclosure" abstract="false" name="StateAndMunicipalSecuritiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
