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| IRS990/ActivityOrMissionDesc | 0 | The Dallas Inst of Humanities&Culture is an organization whose purpose is to enrich and deepen the practical life of the city with the wisdom and imagination of the humanities. |
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| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 522 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 100400 |
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| IRS990/Desc | 0 | FESTIVAL OF IDEAS: THE FESTIVAL OF IDEAS MISSION IS TO HELP SHAPE THE CITY OF THE FUTURE BY IGNITING, UNITING, AND ENERGIZING THE PEOPLE OF DALLAS THROUGH THE POWER OF IDEAS. THE VISION OF THE FESTIVAL IS TO BE THE LEADING IDEAS FESTIVAL IN THE NATION THAT FOSTERS AND EXECUTES ACTION, CREATING A LASTING LEGACY FOR THE CITY OF DALLAS AND ITS CITIZENS. |
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| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 5007 |
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| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 3640 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0.0 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.0 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.0 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 60.0 |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 18 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 19 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 20 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 21 | X |
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| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Mr Albert C Black Jr |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Ms Nelda Cain Pickens |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Mr John R Castle Jr |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Mr Rex Cumming |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Barry M Golden Esq |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Ms Sharon A Harris |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Mr TREVOR BRICKMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Ms Kim Jordan |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Mr Joseph R Mannes |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Dr Nancy Cain Marcus |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Mrs Margaret McDermott |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Mr RICK ILLES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | Ms Anne Reeder |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | Dr Joanne Stroud |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | Dr Gail Thomas |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | Mrs Marie Kelly Brehm |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | Mr David Griffin |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | Mrs Betty Regard |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | MS ANN DRUMM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | DR JAINA SANGA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | Dr Larry Allums |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | life Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | life Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | life Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | life Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | life Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | board member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | BOARD CO-PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | board member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | Executive Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/Form990TFiledInd | 0 | true |
| IRS990/FormationYr | 0 | 1980 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 290797 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 22 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 0 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 50000 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 50000 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | true |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 522324 |
| IRS990/GrossReceiptsAmt | 0 | 2154075 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 66000 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 22 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 1282 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 2989 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 17084 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 21355 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 5714 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 5714 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 5714 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 17142 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 58137 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 63227 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 122694 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 122694 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 4845996 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 4326477 |
| IRS990/IRPDocumentCnt | 0 | 73 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1043854 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 3214040 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 3150961 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 4194815 |
| IRS990/LegalDomicileStateCd | 0 | TX |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 231527 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 81012 |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | THE DALLAS INSTITUTE OF HUMANITIES AND CULTURE IS A NONPROFIT EDUCATIONAL ORGANIZATION WHOSE PURPOSE IS TO ENRICH AND DEEPEN THE PRACTICAL LIFE OF THE CITY WITH THE WISDOM AND IMAGINATION OF THE HUMANITIES. THE DALLAS INSTITUTE ACCOMPLISHES ITS PURPOSE THROUGH PROGRAMS FOR SCHOOL TEACHERS AND PRINCIPALS, GENERAL COURSES OF STUDY, PUBLIC AND PROFESSIONAL SEMINARS, PUBLICATIONS, CONFERENCES, AND CIVIC INVOLVEMENT. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 189997 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 389997 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 7033046 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 6709950 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 290797 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 290797 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 26521 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 66000 |
| IRS990/NetRentalIncomeOrLossGrp/UnrelatedBusinessRevenueAmt | 0 | 39479 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | -42767 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -507087 |
| IRS990/NoncashContributionsAmt | 0 | 5000 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 2788 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 14569 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 37173 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 54530 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 11167 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 6675 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 71330 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 89172 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 0 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 3639 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 8490 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 48516 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 60645 |
| IRS990/OtherExpensesGrp/Desc | 0 | FOOD & HOSPITALITY |
| IRS990/OtherExpensesGrp/Desc | 1 | TELEPHONE & UTILITIES |
| IRS990/OtherExpensesGrp/Desc | 2 | BOOKS |
| IRS990/OtherExpensesGrp/Desc | 3 | AUDIO & VISUAL |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 369 |