| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 23598 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | MANAGE SCHOLARSHIP AND OTHER ENDOWMENTS |
| IRS990/AllOtherContributionsAmt | 0 | 213414 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | SFASU ALUMNI FOUNDATION |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 9364683407 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 300 EAST VISTA |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | NACOGDOCHES |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | TX |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 75961 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractTerminationInd | 0 | X |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 213414 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 625338 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1498230 |
| IRS990/CYOtherExpensesAmt | 0 | 194447 |
| IRS990/CYOtherRevenueAmt | 0 | -41632 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 850227 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 819785 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1670012 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | SCHOLARSHIPS & AWARDS GIVEN TO SFASU STUDENTS. THE NUMBER OF RECIPIENTS IS 569 FOR SCHOLARSHIPS, ACADEMIC DEPARTMENT AWARDS, LIFE MEMBERSHIPS, AND OTHER MISCELLANEOUS AWARDS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 625338 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 8500 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 8500 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 3428 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 3428 |
| IRS990/FinalReturnInd | 0 | X |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | WENDY BUCHANAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | CODY CORLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | DON COX |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | BOB FRANCIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | KAREN GANTT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | STEPHEN GREAK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | MIKE HARBORDT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | MARK LAYTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | CURTIS SPARKS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | CRAIG TURNAGE |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | VICE CHAIRMA |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | EXECUTIVE DI |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1978 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 1150898 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 10 |
| IRS990/GrantAmt | 0 | 625338 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 625338 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 625338 |
| IRS990/GrantsToIndividualsInd | 0 | true |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 8001528 |
| IRS990/GrossReceiptsAmt | 0 | 8520642 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 5259 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 5259 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 347332 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 347332 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 451470 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 24018952 |
| IRS990/IRPDocumentCnt | 0 | 2 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | TX |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 6850630 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | MANAGE SCHOLARSHIP AND OTHER ENDOWMENTS |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 26714937 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 0 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1150898 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 1150898 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 261168 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 78580 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -27826332 |
| IRS990/OtherExpensesGrp/Desc | 0 | ALUMNI ASSOCIATION PMTS |
| IRS990/OtherExpensesGrp/Desc | 1 | INVESTMENT MGMT FEES |
| IRS990/OtherExpensesGrp/Desc | 2 | FOREIGN TAXES |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 115540 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 58410 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 3310 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 115540 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 58410 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 3310 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 60000 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | CHG IN VALUE OF LIFE INS |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | CHG IN VALUE OF ANNUITY |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | -547 |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 1 | -41085 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | -547 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 1 | -41085 |
| IRS990/OtherRevenueTotalAmt | 0 | -41632 |
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| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 245893 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | CRAIG TURNAGE |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 311834 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 934677 |
| IRS990/PYInvestmentIncomeAmt | 0 | 1531193 |
| IRS990/PYOtherExpensesAmt | 0 | 394673 |
| IRS990/PYOtherRevenueAmt | 0 | 32449 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 546126 |
| IRS990/PYTotalExpensesAmt | 0 | 1329350 |
| IRS990/PYTotalRevenueAmt | 0 | 1875476 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 850227 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 2003640 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 213414 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 336495 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 790923 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 529742 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 676892 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 2547466 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearAmt | 0 | 32000 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus1YearAmt | 0 | 32000 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 32000 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 32000 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 32000 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 160000 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 347332 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 506268 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 520451 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 449816 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 349683 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 2173550 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | -41632 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | -41632 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.55950 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.64360 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 2707466 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 245414 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 368495 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 822923 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 561742 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 708892 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 2707466 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 4839384 |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 24499336 |
| IRS990ScheduleD/CYEndwmtFundGrp/ContributionsAmt | 0 | 213414 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 26413738 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 1700988 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 23605729 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/ContributionsAmt | 0 | 336441 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 26227277 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 2290607 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 5500 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 27853847 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/ContributionsAmt | 0 | 790874 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 28817121 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 172900 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 500 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 27173548 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/ContributionsAmt | 0 | 529682 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 27853847 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 161257 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 10640 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 26637026 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/ContributionsAmt | 0 | 675367 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 27173548 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 165116 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 303961 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | false |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | false |
| IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct | 0 | 1.00000 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE EARNINGS FROM THE ENDOWMENTS ARE TO BE USED TO PAY SCHOLARSHIPS TO STUDENTS OF STEPHEN F AUSTIN STATE UNIVERSITY |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE D, PAGE 2, PART V, LINE 4 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | true |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/CashGrantAmt | 0 | 625338 |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/GrantTypeTxt | 0 | SCHOLARSHIPS FOR STUDENTS |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/RecipientCnt | 0 | 569 |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/ValuationMethodUsedDesc | 0 | CASH |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990ScheduleN/DirectorOfSuccessor2Ind | 0 | false |
| IRS990ScheduleN/DispositionOfAssetsDetail/AssetsDistriOrExpnssPaidDesc | 0 | SAVINGS AND INVESTMENT |
| IRS990ScheduleN/DispositionOfAssetsDetail/AssetsDistriOrExpnssPaidDesc | 1 | PLEDGES RECEIVABLE |
| IRS990ScheduleN/DispositionOfAssetsDetail/AssetsDistriOrExpnssPaidDesc | 2 | INVESTMENTS |
| IRS990ScheduleN/DispositionOfAssetsDetail/AssetsDistriOrExpnssPaidDesc | 3 | LIFE ANNUITY |
| IRS990ScheduleN/DispositionOfAssetsDetail/AssetsDistriOrExpnssPaidDesc | 4 | CASH VALUE-LIFE INS |
| IRS990ScheduleN/DispositionOfAssetsDetail/AssetsDistriOrExpnssPaidDesc | 5 | ACCRUED INT RECEIVABLE |
| IRS990ScheduleN/DispositionOfAssetsDetail/AssetsDistriOrExpnssPaidDesc | 6 | CERTIFICATE OF DEPOSIT |
| IRS990ScheduleN/DispositionOfAssetsDetail/BusinessName/BusinessNameLine1Txt | 0 | STEPHEN F AUSTIN UNIVERSITY FOUNDAT |
| IRS990ScheduleN/DispositionOfAssetsDetail/BusinessName/BusinessNameLine1Txt | 1 | STEPHEN F AUSTIN UNIVERSITY FOUNDAT |
| IRS990ScheduleN/DispositionOfAssetsDetail/BusinessName/BusinessNameLine1Txt | 2 | STEPHEN F AUSTIN UNIVERSITY FOUNDAT |
| IRS990ScheduleN/DispositionOfAssetsDetail/BusinessName/BusinessNameLine1Txt | 3 | STEPHEN F AUSTIN UNIVERSITY FOUNDAT |
| IRS990ScheduleN/DispositionOfAssetsDetail/BusinessName/BusinessNameLine1Txt | 4 | STEPHEN F AUSTIN UNIVERSITY FOUNDAT |
| IRS990ScheduleN/DispositionOfAssetsDetail/BusinessName/BusinessNameLine1Txt | 5 | STEPHEN F AUSTIN UNIVERSITY FOUNDAT |
| IRS990ScheduleN/DispositionOfAssetsDetail/BusinessName/BusinessNameLine1Txt | 6 | STEPHEN F AUSTIN UNIVERSITY FOUNDAT |
| IRS990ScheduleN/DispositionOfAssetsDetail/DistributionDt | 0 | 2017-12-31 |
| IRS990ScheduleN/DispositionOfAssetsDetail/DistributionDt | 1 | 2017-12-31 |
| IRS990ScheduleN/DispositionOfAssetsDetail/DistributionDt | 2 | 2017-12-31 |
| IRS990ScheduleN/DispositionOfAssetsDetail/DistributionDt | 3 | 2017-12-31 |
| IRS990ScheduleN/DispositionOfAssetsDetail/DistributionDt | 4 | 2017-12-31 |
| IRS990ScheduleN/DispositionOfAssetsDetail/DistributionDt | 5 | 2017-12-31 |
| IRS990ScheduleN/DispositionOfAssetsDetail/DistributionDt | 6 | 2017-12-31 |
| IRS990ScheduleN/DispositionOfAssetsDetail/EIN | 0 | 751494062 |
| IRS990ScheduleN/DispositionOfAssetsDetail/EIN | 1 | 751494062 |
| IRS990ScheduleN/DispositionOfAssetsDetail/EIN | 2 | 751494062 |
| IRS990ScheduleN/DispositionOfAssetsDetail/EIN | 3 | 751494062 |
| IRS990ScheduleN/DispositionOfAssetsDetail/EIN | 4 | 751494062 |
| IRS990ScheduleN/DispositionOfAssetsDetail/EIN | 5 | 751494062 |
| IRS990ScheduleN/DispositionOfAssetsDetail/EIN | 6 | 751494062 |
| IRS990ScheduleN/DispositionOfAssetsDetail/FairMarketValueOfAssetAmt | 0 | 1724172 |
| IRS990ScheduleN/DispositionOfAssetsDetail/FairMarketValueOfAssetAmt | 1 | 237422 |
| IRS990ScheduleN/DispositionOfAssetsDetail/FairMarketValueOfAssetAmt | 2 | 24431359 |
| IRS990ScheduleN/DispositionOfAssetsDetail/FairMarketValueOfAssetAmt | 3 | 410385 |
| IRS990ScheduleN/DispositionOfAssetsDetail/FairMarketValueOfAssetAmt | 4 | 43990 |
| IRS990ScheduleN/DispositionOfAssetsDetail/FairMarketValueOfAssetAmt | 5 | 39182 |
| IRS990ScheduleN/DispositionOfAssetsDetail/FairMarketValueOfAssetAmt | 6 | 988225 |
| IRS990ScheduleN/DispositionOfAssetsDetail/IRCSectionTxt | 0 | 501(C)(3) |
| IRS990ScheduleN/DispositionOfAssetsDetail/IRCSectionTxt | 1 | 501(C)(3) |
| IRS990ScheduleN/DispositionOfAssetsDetail/IRCSectionTxt | 2 | 501(C)(3) |
| IRS990ScheduleN/DispositionOfAssetsDetail/IRCSectionTxt | 3 | 501(C)(3) |
| IRS990ScheduleN/DispositionOfAssetsDetail/IRCSectionTxt | 4 | 501(C)(3) |
| IRS990ScheduleN/DispositionOfAssetsDetail/IRCSectionTxt | 5 | 501(C)(3) |
| IRS990ScheduleN/DispositionOfAssetsDetail/IRCSectionTxt | 6 | 501(C)(3) |
| IRS990ScheduleN/DispositionOfAssetsDetail/MethodOfFMVDeterminationTxt | 0 | CASH |
| IRS990ScheduleN/DispositionOfAssetsDetail/MethodOfFMVDeterminationTxt | 1 | CASH |
| IRS990ScheduleN/DispositionOfAssetsDetail/MethodOfFMVDeterminationTxt | 2 | CASH |
| IRS990ScheduleN/DispositionOfAssetsDetail/MethodOfFMVDeterminationTxt | 3 | CASH |
| IRS990ScheduleN/DispositionOfAssetsDetail/MethodOfFMVDeterminationTxt | 4 | CASH |
| IRS990ScheduleN/DispositionOfAssetsDetail/MethodOfFMVDeterminationTxt | 5 | CASH |
| IRS990ScheduleN/DispositionOfAssetsDetail/MethodOfFMVDeterminationTxt | 6 | CASH |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/AddressLine1Txt | 0 | PO BOX 6092 SFA STATION |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/AddressLine1Txt | 1 | PO BOX 6092 SFA STATION |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/AddressLine1Txt | 2 | PO BOX 6092 SFA STATION |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/AddressLine1Txt | 3 | PO BOX 6092 SFA STATION |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/AddressLine1Txt | 4 | PO BOX 6092 SFA STATION |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/AddressLine1Txt | 5 | PO BOX 6092 SFA STATION |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/AddressLine1Txt | 6 | PO BOX 6092 SFA STATION |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/CityNm | 0 | NACOGDOCHES |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/CityNm | 1 | NACOGDOCHES |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/CityNm | 2 | NACOGDOCHES |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/CityNm | 3 | NACOGDOCHES |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/CityNm | 4 | NACOGDOCHES |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/CityNm | 5 | NACOGDOCHES |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/CityNm | 6 | NACOGDOCHES |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/StateAbbreviationCd | 0 | TX |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/StateAbbreviationCd | 1 | TX |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/StateAbbreviationCd | 2 | TX |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/StateAbbreviationCd | 3 | TX |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/StateAbbreviationCd | 4 | TX |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/StateAbbreviationCd | 5 | TX |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/StateAbbreviationCd | 6 | TX |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/ZIPCd | 0 | 75962 |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/ZIPCd | 1 | 75962 |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/ZIPCd | 2 | 75962 |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/ZIPCd | 3 | 75962 |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/ZIPCd | 4 | 75962 |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/ZIPCd | 5 | 75962 |
| IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/ZIPCd | 6 | 75962 |
| IRS990ScheduleN/EmployeeOfSuccessor2Ind | 0 | false |
| IRS990ScheduleN/OwnerOfSuccessor2Ind | 0 | false |
| IRS990ScheduleN/ReceiveCompensation2Ind | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | A PRELIMINARY DRAFT OF FORM 990 AND 990-T WILL BE E-MAILED TO THE BOARD OF DIRECTORS AND THE EXECUTIVE DIRECTOR FOR REVIEW. ANY QUESTIONS THAT THEY HAVE ARE ADDRESSED AND ANSWERED BEFORE THE FORM 990 AND 990-T ARE FINALIZED. FORMS 990 AND 990-T ARE THEN FILED WITH THE INTERNAL REVENUE SERVICE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | ANNUALLY, OFFICERS AND DIRECTORS DISCLOSE ANY CONFLICTS OF INTEREST. THE FOUNDATION MONITORS AND ENFORCES COMPLIANCE WITH THEIR CONFLICS OF INTERST POLICY |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST TO THE EXECUTIVE DIRECTOR. HE WOULD THEN ISSUE THE REPORTS THAT WERE REQUESTED AS SOON AS POSSIBLE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | TRANSFER OF ASSETS & LIABILITIES DUE TO 0 MERGER WITH SFASU FOUNDATION -27,826,332 TOTAL -27,826,332 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART XI, LINE 9 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |