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| <link:definition> 100420 - Disclosure - Loans Held for Investment and Allowance for Loan Losses - Changes in Allowance for Loan Losses (Detail) </link:definition> |
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| <link:definition> 100430 - Disclosure - Loans Held for Investment and Allowance for Loan Losses - Schedule of loans that are individually evaluated for credit losses (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/LoansHeldForInvestmentAndAllowanceForLoanLossesScheduleOfInvestmentInLoansRelatedToBalanceInAllowanceForLoanLossesOnBasisOfCompanysImpairmentMethodologyDetail" id="LoansHeldForInvestmentAndAllowanceForLoanLossesScheduleOfInvestmentInLoansRelatedToBalanceInAllowanceForLoanLossesOnBasisOfCompanysImpairmentMethodologyDetail"> |
| <link:definition> 100440 - Disclosure - Loans Held for Investment and Allowance for Loan Losses - Schedule of Investment in Loans Related to Balance in Allowance for Loan Losses on Basis of Company's Impairment Methodology (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/LoansHeldForInvestmentAndAllowanceForLoanLossesScheduleOfCompanysInternalRatingsOfItsLoansHeldForInvestmentIncludingTheYearOfOriginationByPortfolioSegmentsDetail" id="LoansHeldForInvestmentAndAllowanceForLoanLossesScheduleOfCompanysInternalRatingsOfItsLoansHeldForInvestmentIncludingTheYearOfOriginationByPortfolioSegmentsDetail"> |
| <link:definition> 100450 - Disclosure - Loans Held-for-Investment and Allowance for Loan Losses - Schedule of Company's Internal Ratings of its Loans Held-for-Investment, Including The Year of Origination, by Portfolio Segments (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/LoansHeldForInvestmentAndAllowanceForLoanLossesScheduleOfInternalRatingsOfLoansDetail" id="LoansHeldForInvestmentAndAllowanceForLoanLossesScheduleOfInternalRatingsOfLoansDetail"> |
| <link:definition> 100460 - Disclosure - Loans Held for Investment and Allowance for Loan Losses - Schedule of Internal Ratings of Loans (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/LoansHeldForInvestmentAndAllowanceForLoanLossesScheduleOfPastDueLoansDetail" id="LoansHeldForInvestmentAndAllowanceForLoanLossesScheduleOfPastDueLoansDetail"> |
| <link:definition> 100470 - Disclosure - Loans Held for Investment and Allowance for Loan Losses - Schedule of Past Due Loans (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/LoansHeldForInvestmentAndAllowanceForLoanLossesScheduleOfLoansModifiedAndConsideredTroubledDebtRestructuringsDetail" id="LoansHeldForInvestmentAndAllowanceForLoanLossesScheduleOfLoansModifiedAndConsideredTroubledDebtRestructuringsDetail"> |
| <link:definition> 100480 - Disclosure - Loans Held for Investment and Allowance for Loan Losses - Schedule of Loans Modified and Considered Troubled Debt Restructurings (Detail) </link:definition> |
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| <link:definition> 100490 - Disclosure - Loans Held for Investment and Allowance for Loan Losses - Schedule of How Loans Were Modified as Troubled Debt Restructured Loans (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/LoansHeldForSaleAdditionalInformationDetail" id="LoansHeldForSaleAdditionalInformationDetail"> |
| <link:definition> 100500 - Disclosure - Loans Held for Sale - Additional Information (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/DerivativeFinancialInstrumentsSummaryOfOutstandingNotionalBalancesAndFairValuesOfOutstandingDerivativePositionsDetail" id="DerivativeFinancialInstrumentsSummaryOfOutstandingNotionalBalancesAndFairValuesOfOutstandingDerivativePositionsDetail"> |
| <link:definition> 100510 - Disclosure - Derivative Financial Instruments - Summary of Outstanding Notional Balances and Fair Values of Outstanding Derivative Positions (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/BorrowingsScheduleOfBorrowingsDetail" id="BorrowingsScheduleOfBorrowingsDetail"> |
| <link:definition> 100520 - Disclosure - Borrowings - Schedule of Borrowings (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/BorrowingsAdditionalInformationDetail" id="BorrowingsAdditionalInformationDetail"> |
| <link:definition> 100530 - Disclosure - Borrowings - Additional Information (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/IncomeTaxesAdditionalInformationDetail" id="IncomeTaxesAdditionalInformationDetail"> |
| <link:definition> 100540 - Disclosure - Income Taxes - Additional Information (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/DisclosureStockBasedCompensationAdditionalInformationDetail" id="DisclosureStockBasedCompensationAdditionalInformationDetail"> |
| <link:definition> 100550 - Disclosure - Stock Based Compensation - Additional Information (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/DisclosureStockBasedCompensationScheduleOfChangesInStockUnitsDetail" id="DisclosureStockBasedCompensationScheduleOfChangesInStockUnitsDetail"> |
| <link:definition> 100560 - Disclosure - Stock Based Compensation - Schedule of Changes in Stock Units (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/DisclosureStockBasedCompensationSummaryOfVestedAndUnvestedRestrictedStockOutstandingDetail" id="DisclosureStockBasedCompensationSummaryOfVestedAndUnvestedRestrictedStockOutstandingDetail"> |
| <link:definition> 100570 - Disclosure - Stock Based Compensation - Summary of Vested and Unvested Restricted Stock Outstanding (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/DisclosureStockBasedCompensationScheduleOfAnalysisOfStockOptionActivityDetail" id="DisclosureStockBasedCompensationScheduleOfAnalysisOfStockOptionActivityDetail"> |
| <link:definition> 100580 - Disclosure - Stock Based Compensation - Schedule of Analysis of Stock Option Activity (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/FairValueDisclosuresAdditionalInformationDetail" id="FairValueDisclosuresAdditionalInformationDetail"> |
| <link:definition> 100590 - Disclosure - Fair Value Disclosures - Additional Information (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/FairValueDisclosuresFinancialAssetsAndFinancialLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail" id="FairValueDisclosuresFinancialAssetsAndFinancialLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"> |
| <link:definition> 100600 - Disclosure - Fair Value Disclosures - Financial Assets and Financial Liabilities Measured at Fair Value on Recurring Basis (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/FairValueDisclosuresSummaryOfLoansHeldForSaleAtFairValueDetail" id="FairValueDisclosuresSummaryOfLoansHeldForSaleAtFairValueDetail"> |
| <link:definition> 100610 - Disclosure - Fair Value Disclosures - Summary of Loans Held-for-Sale at Fair Value (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/FairValueDisclosuresScheduleOfGainLossOnSaleOfMortgageLoansDetail" id="FairValueDisclosuresScheduleOfGainLossOnSaleOfMortgageLoansDetail"> |
| <link:definition> 100620 - Disclosure - Fair Value Disclosures - Schedule of Gain Loss on Sale of Mortgage Loans (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/FairValueDisclosuresScheduleOfEstimatedFairValuesAndCarryingValuesOfAllFinancialInstrumentsDetail" id="FairValueDisclosuresScheduleOfEstimatedFairValuesAndCarryingValuesOfAllFinancialInstrumentsDetail"> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/AcquisitionAdditionalInformationDetail" id="AcquisitionAdditionalInformationDetail"> |
| <link:definition> 100640 - Disclosure - Acquisition - Additional Information (Detail) </link:definition> |
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| <link:definition> 100650 - Disclosure - Acquisition - Schedule of Amounts Recorded on Consolidated Balance Sheet on Acquisition Date (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/AcquisitionScheduleOfAmountsRecordedOnConsolidatedBalanceSheetOnAcquisitionDateParentheticalDetail" id="AcquisitionScheduleOfAmountsRecordedOnConsolidatedBalanceSheetOnAcquisitionDateParentheticalDetail"> |
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| | | <link:roleType roleURI="http://www.ffin.com/20220630/taxonomy/role/AcquisitionScheduleOfPreliminaryEstimatedFairValueAmountsAssignedToMajorAssetAndLiabilityCategoriesAtAcquisitionDateDetail" id="AcquisitionScheduleOfPreliminaryEstimatedFairValueAmountsAssignedToMajorAssetAndLiabilityCategoriesAtAcquisitionDateDetail"> |
| <link:definition> 100670 - Disclosure - Acquisition - Schedule of Preliminary Estimated Fair Value Amounts Assigned to Major Asset and Liability Categories at Acquisition Date (Detail) </link:definition> |
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| | | </xsd:appinfo> |
| | </xsd:annotation> |
| <xsd:element id="ffin_CommonStockTransactionsAbstract" name="CommonStockTransactionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_FairValueMeasurementsLoansHeldForSaleAbstract" name="FairValueMeasurementsLoansHeldForSaleAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_LoansReceivablesHeldForSaleNetAbstract" name="LoansReceivablesHeldForSaleNetAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_LoansReceivablesNetAbstract" name="LoansReceivablesNetAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_ScheduleOfGainLossOnSaleOfMortgageLoansAbstract" name="ScheduleOfGainLossOnSaleOfMortgageLoansAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_AllowancesAndReservesAxis" name="AllowancesAndReservesAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_AccruedInterestPayable" name="AccruedInterestPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_AdditionalFundsAdvancedInConnectionWithImpairedConstructionLoans" name="AdditionalFundsAdvancedInConnectionWithImpairedConstructionLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_AutomatedTellerMachineInterchangeAndCreditCardExpenses" name="AutomatedTellerMachineInterchangeAndCreditCardExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_AutomatedTellerMachineInterchangeAndCreditCardFees" name="AutomatedTellerMachineInterchangeAndCreditCardFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_BusinessAcquisitionSpecialDividendsPayableByAcquiree" name="BusinessAcquisitionSpecialDividendsPayableByAcquiree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositLiabilities" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_ChangeInFairValueOnLoansHeldForSaleAndIRLCS" name="ChangeInFairValueOnLoansHeldForSaleAndIRLCS" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_ChangeInForwardMortgageBackedSecuritiesTrades" name="ChangeInForwardMortgageBackedSecuritiesTrades" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_CommitmentToLendAdditionalFundsToBorrowersWithLoanModificationsClassifiedAsTDRs" name="CommitmentToLendAdditionalFundsToBorrowersWithLoanModificationsClassifiedAsTDRs" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_ContraAccountRelatedToSharesAcquiredInConnectionWithDirectorsDeferredCompensationPlan" name="ContraAccountRelatedToSharesAcquiredInConnectionWithDirectorsDeferredCompensationPlan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_DepositsWithNoStatedMaturities" name="DepositsWithNoStatedMaturities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_DiscountAccretionOnPurchasedLoans" name="DiscountAccretionOnPurchasedLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_EffectOfStockOptionsPerShareAmount" name="EffectOfStockOptionsPerShareAmount" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_FairValueMeasurementWithUnobservantInputsReconciliationRecurringBasisAssetTransfersIntoLevelTwo" name="FairValueMeasurementWithUnobservantInputsReconciliationRecurringBasisAssetTransfersIntoLevelTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_HeldForInvestmentExcludingPPPLoans" name="HeldForInvestmentExcludingPPPLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_IncreaseDecreaseInValuationAndQualifyingAccountsAndReservesFromAdjustment" name="IncreaseDecreaseInValuationAndQualifyingAccountsAndReservesFromAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_InterestBearingTimeDepositsInBanks" name="InterestBearingTimeDepositsInBanks" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_InterestOnFederalFundsSoldAndInterestBearingDepositsInBanks" name="InterestOnFederalFundsSoldAndInterestBearingDepositsInBanks" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_InterestOnLoanRecoveries" name="InterestOnLoanRecoveries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_InternalRatingsOfLoansHeldForInvestment" name="InternalRatingsOfLoansHeldForInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_InvestmentSecuritiesPurchasedButNotSettled" name="InvestmentSecuritiesPurchasedButNotSettled" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_LineOfCreditFacilityRenewalDate" name="LineOfCreditFacilityRenewalDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_LoansAndLeasesReceivableCollectivelyEvaluatedForAllowance" name="LoansAndLeasesReceivableCollectivelyEvaluatedForAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_LoansAndLeasesReceivableIndividuallyEvaluatedForAllowance" name="LoansAndLeasesReceivableIndividuallyEvaluatedForAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_LoansHeldForSaleValuedAtTheLowerOfCostOrFairValue" name="LoansHeldForSaleValuedAtTheLowerOfCostOrFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_LoansReceivableCollateralForSecuredBorrowings" name="LoansReceivableCollateralForSecuredBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_LoansReceivableContractualAmount" name="LoansReceivableContractualAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_LoansStillAccruingPastDueNinetyDaysOrMoreRestructuredLoansForeclosedAssets" name="LoansStillAccruingPastDueNinetyDaysOrMoreRestructuredLoansForeclosedAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_MinimumPeriodOfLoansPastDue" name="MinimumPeriodOfLoansPastDue" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_NetGainLossOnSaleOfForeclosedAssets" name="NetGainLossOnSaleOfForeclosedAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_NetUnrealizedGainsOnLoansHeldForSale" name="NetUnrealizedGainsOnLoansHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_NumberOfBankLocations" name="NumberOfBankLocations" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_NumberOfCommonSharesAcquiredInConnectionWithDirectorsDeferredCompensationPlan" name="NumberOfCommonSharesAcquiredInConnectionWithDirectorsDeferredCompensationPlan" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_NumberOfSharesThatHaveBeenAcquiredDuringPeriodInConnectionWithDirectorsDeferredCompensationPlan" name="NumberOfSharesThatHaveBeenAcquiredDuringPeriodInConnectionWithDirectorsDeferredCompensationPlan" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_NumberOfSharesThatHaveBeenAcquiredDuringPeriodInConnectionWithDirectorsDeferredCompensationPlanValue" name="NumberOfSharesThatHaveBeenAcquiredDuringPeriodInConnectionWithDirectorsDeferredCompensationPlanValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_OperationalAndOtherLosses" name="OperationalAndOtherLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_PercentageOfInvestmentPortfolioGuaranteedByPermanentSchoolFund" name="PercentageOfInvestmentPortfolioGuaranteedByPermanentSchoolFund" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_PercentageOfOptionsGranted" name="PercentageOfOptionsGranted" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_PercentageOfOptionVestingRate" name="PercentageOfOptionVestingRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_PerformanceMeasurementAmountInAssets" name="PerformanceMeasurementAmountInAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_PeriodOfLoansInDefaultTreatedAsTroubledDebtRestructuring" name="PeriodOfLoansInDefaultTreatedAsTroubledDebtRestructuring" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_PppLoans" name="PppLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_PrintingStationeryAndSupplies" name="PrintingStationeryAndSupplies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_ProfessionalAndServiceFees" name="ProfessionalAndServiceFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_RealEstateMortgageOperations" name="RealEstateMortgageOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_RealizedGainOnSaleAndFeesOnMortgageLoans" name="RealizedGainOnSaleAndFeesOnMortgageLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_RemainingPercentageOfOptionVestingRate" name="RemainingPercentageOfOptionVestingRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_ReserveForLossesOnUnfundedCommitments" name="ReserveForLossesOnUnfundedCommitments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_RestrictedStockGrantToOfficersAndDirectors" name="RestrictedStockGrantToOfficersAndDirectors" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_SecuritiesSoldUnderAgreementToRepurchaseMaturityDescription" name="SecuritiesSoldUnderAgreementToRepurchaseMaturityDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_ServiceChargesOnDepositAccounts" name="ServiceChargesOnDepositAccounts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAverageAdjustedEarningsPerShareGrowthPercentage" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAverageAdjustedEarningsPerShareGrowthPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesIssuedUponVestingBasedOnCoreReturnPercentage" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesIssuedUponVestingBasedOnCoreReturnPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_SharesAcquiredInConnectionWithDirectorsDeferredCompensationPlan" name="SharesAcquiredInConnectionWithDirectorsDeferredCompensationPlan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_TaxBenefitPercentOfQualifiedInvestments" name="TaxBenefitPercentOfQualifiedInvestments" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_TrustFees" name="TrustFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ffin_UnpaidPrincipalBalanceOnLoansHeldForSale" name="UnpaidPrincipalBalanceOnLoansHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ffin_AllowancesAndReservesDomain" name="AllowancesAndReservesDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_IncomeTaxesLineItems" name="IncomeTaxesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_InterestBearingTimeDepositsInBanksAndSecuritiesLineItems" name="InterestBearingTimeDepositsInBanksAndSecuritiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_AgriculturalPortfolioSegmentMember" name="AgriculturalPortfolioSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_AllowanceForCreditLossesMember" name="AllowanceForCreditLossesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_AutoMember" name="AutoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_CAndIMember" name="CAndIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_CombinedRateAndMaturityMember" name="CombinedRateAndMaturityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_CommercialBancsharesIncAndCommercialStateBankMember" name="CommercialBancsharesIncAndCommercialStateBankMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_CommercialBancsharesIncMember" name="CommercialBancsharesIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_ConstructionAndDevelopmentMember" name="ConstructionAndDevelopmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_EmployeeMember" name="EmployeeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_ExecutivesAndOtherOfficersMember" name="ExecutivesAndOtherOfficersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_FairValueInputsLevel1AndLevel2Member" name="FairValueInputsLevel1AndLevel2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_FarmMember" name="FarmMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_FBCBancsharesIncorporationAndFirstBankNationalAssociationMember" name="FBCBancsharesIncorporationAndFirstBankNationalAssociationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_FinancingReceivables15To59DaysPastDueMember" name="FinancingReceivables15To59DaysPastDueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_ForwardMortgageBackedSecuritiesTradesMember" name="ForwardMortgageBackedSecuritiesTradesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_MuncipalMember" name="MuncipalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_NonAutoMember" name="NonAutoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_NonOwnerOccupiedCreMember" name="NonOwnerOccupiedCreMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_OwnerOccupiedCreMember" name="OwnerOccupiedCreMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_ReserveForUnfundedCommitmentsMember" name="ReserveForUnfundedCommitmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_ResidentialMember" name="ResidentialMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_ResidentialsRealEstateMember" name="ResidentialsRealEstateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_SecuritiesAvailableForSaleMember" name="SecuritiesAvailableForSaleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_TbTBancsharesIncorporationAndTheBankTrustOfBryanCollegeStationTexasMember" name="TbTBancsharesIncorporationAndTheBankTrustOfBryanCollegeStationTexasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_TwoThousandTwentyOneOmnibusStockAndIncentivePlanMember" name="TwoThousandTwentyOneOmnibusStockAndIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_TwoThousandTwentyOnePlanMember" name="TwoThousandTwentyOnePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_AccumulatedOtherComprehensiveIncomeLossPolicyTextBlock" name="AccumulatedOtherComprehensiveIncomeLossPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_AcquiredLoansPolicyTextBlock" name="AcquiredLoansPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_AllowanceForCreditLossesAvailableForSaleSecuritiesPolicyTextBlock" name="AllowanceForCreditLossesAvailableForSaleSecuritiesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_AllowanceForCreditLossesHeldToMaturitySecuritiesPolicyTextBlock" name="AllowanceForCreditLossesHeldToMaturitySecuritiesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_AllowanceForCreditLossesOnOffBalanceSheetCreditExposuresPolicyTextBlock" name="AllowanceForCreditLossesOnOffBalanceSheetCreditExposuresPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_LoansHeldForInvestmentPolicyTextBlock" name="LoansHeldForInvestmentPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_NatureOfOperationsPolicyTextBlock" name="NatureOfOperationsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_NewAccountingStandardForAccountingForAllowanceForCreditLossesPolicyPolicyTextBlock" name="NewAccountingStandardForAccountingForAllowanceForCreditLossesPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_StockRepurchasePolicyTextBlock" name="StockRepurchasePolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_IncomeTaxesTable" name="IncomeTaxesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_InterestBearingTimeDepositsInBanksAndSecuritiesTable" name="InterestBearingTimeDepositsInBanksAndSecuritiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ffin_FairValueMeasurementsLoansHeldForSaleTableTextBlock" name="FairValueMeasurementsLoansHeldForSaleTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_LoansAndLeasesReceivableGrossCarryingAmountTableTextBlock" name="LoansAndLeasesReceivableGrossCarryingAmountTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_ScheduleOfAllowanceForLoanLossByPortfolioSegmentTableTextBlock" name="ScheduleOfAllowanceForLoanLossByPortfolioSegmentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_ScheduleOfGainLossOnSaleOfMortgageLoansTableTextBlock" name="ScheduleOfGainLossOnSaleOfMortgageLoansTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_ScheduleOfHowLoansWereModifiedAsTroubledDebtRestructuredLoansTableTextBlock" name="ScheduleOfHowLoansWereModifiedAsTroubledDebtRestructuredLoansTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_ScheduleOfInternalRatingsOfItsLoansHeldForInvestmentByPortfolioSegmentsTableTextBlock" name="ScheduleOfInternalRatingsOfItsLoansHeldForInvestmentByPortfolioSegmentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_ScheduleOfInvestmentInLoansRelatedToAllowanceForLoanLossesOnBasisOfImpairmentMethodologyTableTextBlock" name="ScheduleOfInvestmentInLoansRelatedToAllowanceForLoanLossesOnBasisOfImpairmentMethodologyTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_ScheduleOfNonAccrualLoansTableTextBlock" name="ScheduleOfNonAccrualLoansTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ffin_LoansHeldForSaleTextBlock" name="LoansHeldForSaleTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| </xsd:schema> |