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| IRS990/ActivityOrMissionDesc | 0 | TO ADVANCE ART, MUSIC, DRAMATIC, AND GENERAL EDUCATION OF YOUTH AND ADULTS BY OFFERING PROGRAMMING AND INSTRUCTION IN ARTISTIC FIELDS SUCH AS THEATRE, INTERDISCIPLINARY ARTS, MUSIC, DANCE, CREATIVE WRITING, VISUAL ARTS, BROADCASTING, FILM, AND NEW MEDIA |
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| IRS990/AdvertisingGrp/TotalAmt | 0 | 1113142 |
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| IRS990/Desc | 0 | INTERLOCHEN ARTS ACADEMY, THE NATION'S FIRST AND FOREMOST BOARDING FINE ARTS HIGH SCHOOL, UNITES STUDENTS WITH OTHERS WHO VALUE THEIR HIGHEST ASPIRATIONS, CREATING A CLOSE-KNIT ARTISTS' COMMUNITY. OVER 500 OF THE WORLD'S MOST TALENTED AND MOTIVATED YOUNG ARTISTS STUDY MUSIC, DANCE, THEATRE, VISUAL ARTS, CREATIVE WRITING, INTERDISCIPLINARY ARTS, FILM, AND NEW MEDIA IN A COLLEGE-LIKE SETTING. THEY FIND IN THE ACADEMY A FAST-PACED, CREATIVE ENVIRONMENT THAT CHALLENGES, INSPIRES, AND FOCUSES THEIR TALENTS. WHILE PRODUCING MORE THAN 250 ARTISTIC PRESENTATIONS IN THE SCHOOL YEAR, ACADEMY STUDENTS ALSO MASTER A RIGOROUS COLLEGE PREPARATORY ACADEMIC CURRICULUM THAT PREPARES THEM TO TAKE PROMINENT ROLES IN A WHOLE UNIVERSE OF PROFESSIONAL ENDEAVORS. SEE SCHEDULE O FOR ADDITIONAL INFORMATION.DURING THE SCHOOL YEAR ENDED MAY 31, 2024, THERE WERE 580 STUDENTS, 503 OF WHOM RECEIVED GRANTS. |
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| IRS990/MissionDesc | 0 | TO ADVANCE ART, MUSIC, DRAMATIC, AND GENERAL EDUCATION OF YOUTH AND ADULTS BY OFFERING PROGRAMMING AND INSTRUCTION IN ARTISTIC FIELDS SUCH AS THEATRE, INTERDISCIPLINARY ARTS, MUSIC, DANCE, CREATIVE WRITING, VISUAL ARTS, BROADCASTING, FILM, AND NEW MEDIA |
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| IRS990/OtherExpensesGrp/Desc | 1 | ARTIST FEES |
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| IRS990/PrincipalOfficerNm | 0 | PATRICK M KESSEL |
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| IRS990/ProgramServiceRevenueGrp/Desc | 0 | GROSS STUDENT TUITION |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | CONCERT ADMISSIONS |
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| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | "INTERLOCHEN PRESENTS" BRINGS A WORLD OF SUPERB PRESENTATIONS TO THE DOORSTEP OF NORTHWEST LOWER MICHIGAN, ENHANCING THE REGION'S POSITION ON THE GLOBAL ARTS MAP. MORE THAN 600 EVENTS EACH YEAR BY STUDENTS, FACULTY, AND DISTINGUISHED GUEST ARTISTS MAKE INTERLOCHEN ONE OF THE NATION'S LARGEST ARTS PRESENTERS. THERE IS A COMBINED SEATING CAPACITY OF 12,500, AND THERE ARE APPROXIMATELY 130,000 ATTENDEES ANNUALLY. |
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| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 4136726 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | "INTERLOCHEN ONLINE" IS AN INTERACTIVE VIRTUAL PLATFORM THAT BRINGS THE GLOBALLY RENOWNED INTERLOCHEN EXPERIENCE INTO THE HOMES OF YOUNG ARTISTS. THIS PROGRAM OFFERS A DIVERSE SELECTION OF ONLINE ARTS PROGRAMMING IN MULTIPLE SETTINGS, INCLUDING GROUP CLASSES AND PRIVATE LESSONS. DURING THE SCHOOL YEAR ENDED MAY 31, 2024, THERE WERE 492 STUDENTS, TWO OF WHOM RECEIVED GRANTS. |
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| IRS990/ProgSrvcAccomActy3Grp/GrantAmt | 0 | 990 |
| IRS990/ProgSrvcAccomActy3Grp/RevenueAmt | 0 | 305751 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | INTERLOCHEN COLLEGE OF CREATIVE ARTS OFFERS AN ENGAGING - AND EVOLVING - SERIES OF CLASSES AND PROGRAMS FOR ADULTS CALLED "INTERLOCHEN FOR LIFE". MEMBERS OF THE INTERLOCHEN COMMUNITY - OF ALL AGES - THRIVE ON OPPORTUNITIES TO LEARN AND EXPRESS THEMSELVES CREATIVELY, AS WELL AS ON THE STRONG RELATIONSHIPS THAT RESULT FROM SUCH MEANINGFUL ENDEAVORS. |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 1 | INTERLOCHEN PUBLIC RADIO ("IPR"), THROUGH TWO LISTENER-SUPPORTED BROADCAST SERVICES, CONNECTS NORTHWEST LOWER MICHIGAN WITH ARTS, NEWS, AND CULTURE ON A GLOBAL SCALE. IPR ALSO GIVES SIGNIFICANT FOCUS TO LOCAL AND REGIONAL NEWS, INFORMATION, AND ARTISTS, PROVIDING A TRUSTED CONTEXT FOR COMMUNITY DISCUSSION AND SHOWCASING THE VITALITY AND DIVERSITY OF THE GRAND TRAVERSE REGION. SERVING LISTENERS ALL OVER NORTHERN MICHIGAN - AND ALL OVER THE WORLD VIA THE INTERNET - IPR VALUES ITS POTENTIAL TO IMPACT INDIVIDUAL LIVES EVERY DAY, 24 HOURS A DAY. THE COVERAGE AREA INCLUDES MOST OF THE NORTHERN TWO-THIRDS OF LOWER MICHIGAN AND THE EASTERN THIRD OF THE UPPER PENINSULA OF MICHIGAN. |
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| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 1 | 3406354 |
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| IRS990/ProgSrvcAccomActyOtherGrp/RevenueAmt | 1 | 5902 |
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| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
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| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | FM RADIO STATION BROADCASTING LICENSES |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 4204412 |
| IRS990ScheduleD/TotalBookValueOtherAssetsAmt | 0 | 994178 |
| IRS990ScheduleE/ComplianceWithRevProc7550Ind | 0 | 1 |
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| IRS990ScheduleE/DiscriminateRaceAthltProgInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceEducPlcyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceEmplmFcultyInd | 0 | 0 |
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| IRS990ScheduleE/DiscriminateRaceSchsInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceStdntsRghtsInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceUseOfFcltsInd | 0 | 0 |
| IRS990ScheduleE/GovernmentFinancialAidRcvdInd | 0 | 0 |
| IRS990ScheduleE/GovernmentFinancialAidRvkdInd | 0 | 0 |
| IRS990ScheduleE/MaintainCpyOfAllSolInd | 0 | 1 |
| IRS990ScheduleE/MaintainCpyOfBrochuresEtcInd | 0 | 1 |
| IRS990ScheduleE/MaintainRacialCompRecsInd | 0 | 1 |
| IRS990ScheduleE/MaintainScholarshipsRecsInd | 0 | 1 |
| IRS990ScheduleE/NondiscriminatoryPolicyStmtInd | 0 | 1 |
| IRS990ScheduleE/PlcyPblczdViaBroadcastMediaInd | 0 | 1 |
| IRS990ScheduleE/PolicyStmtInBrochuresEtcInd | 0 | 1 |
| IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt | 0 | THE INTERLOCHEN ARTS GROUP'S NONDISCRIMINATION POLICY STATEMENT IS INCLUDED IN PUBLICITY RELEASES, BROCHURES, CATALOGS, ADVERTISING MATERIALS, AND ON THE WEBSITE OF INTERLOCHEN CENTER FOR THE ARTS - ALL AVAILABLE UPON REQUEST. |
| IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE E, PART I, LINE 3 |
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| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt | 3 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt | 4 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt | 5 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt | 6 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt | 7 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt | 8 | 0 |
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| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt | 1 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt | 2 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt | 3 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt | 4 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt | 5 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt | 6 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt | 7 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt | 8 | 0 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 0 | 193911 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 1 | 1021457 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 2 | 162692 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 3 | 126046 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 4 | 386953 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 5 | 88600 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 6 | 107000 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 7 | 85261 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 8 | 73342 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 0 | CENTRAL AMERICA AND THE CARIBBEAN |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 1 | EAST ASIA AND THE PACIFIC |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 2 | EUROPE (INCLUDING ICELAND & GREENLAND) |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 3 | MIDDLE EAST AND NORTH AFRICA |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 4 | NORTH AMERICA |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 5 | RUSSIA AND NEIGHBORING STATES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 6 | SOUTH AMERICA |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 7 | SOUTH ASIA |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 8 | SUB-SAHARAN AFRICA |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 0 | SCHOLARSHIPS AND FINANCIAL AID |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 1 | SCHOLARSHIPS AND FINANCIAL AID |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 2 | SCHOLARSHIPS AND FINANCIAL AID |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 3 | SCHOLARSHIPS AND FINANCIAL AID |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 4 | SCHOLARSHIPS AND FINANCIAL AID |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 5 | SCHOLARSHIPS AND FINANCIAL AID |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 6 | SCHOLARSHIPS AND FINANCIAL AID |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 7 | SCHOLARSHIPS AND FINANCIAL AID |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 8 | SCHOLARSHIPS AND FINANCIAL AID |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 0 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 1 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 2 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 3 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 4 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 5 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 6 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 7 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 8 | PROGRAM SERVICES |
| IRS990ScheduleF/BoycottCountriesInd | 0 | 0 |
| IRS990ScheduleF/ContinuationSpentAmt | 0 | 73342 |
| IRS990ScheduleF/ContinuationTotalEmployeeCnt | 0 | 0 |
| IRS990ScheduleF/ContinuationTotalOfficeCnt | 0 | 0 |
| IRS990ScheduleF/ForeignCorpOwnershipInd | 0 | 0 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/DescriptionOfNonCashAsstTxt | 0 | TUITION OFFSET |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/DescriptionOfNonCashAsstTxt | 1 | TUITION OFFSET |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/DescriptionOfNonCashAsstTxt | 2 | TUITION OFFSET |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/DescriptionOfNonCashAsstTxt | 3 | TUITION OFFSET |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/DescriptionOfNonCashAsstTxt | 4 | TUITION OFFSET |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/DescriptionOfNonCashAsstTxt | 5 | TUITION OFFSET |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/DescriptionOfNonCashAsstTxt | 6 | TUITION OFFSET |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/DescriptionOfNonCashAsstTxt | 7 | TUITION OFFSET |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/DescriptionOfNonCashAsstTxt | 8 | TUITION OFFSET |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/NonCashAssistanceAmt | 0 | 193911 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/NonCashAssistanceAmt | 1 | 1021457 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/NonCashAssistanceAmt | 2 | 162692 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/NonCashAssistanceAmt | 3 | 126046 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/NonCashAssistanceAmt | 4 | 386953 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/NonCashAssistanceAmt | 5 | 88600 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/NonCashAssistanceAmt | 6 | 107000 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/NonCashAssistanceAmt | 7 | 85261 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/NonCashAssistanceAmt | 8 | 73342 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 0 | 7 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 1 | 39 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 2 | 3 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 3 | 3 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 4 | 11 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 5 | 3 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 6 | 3 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 7 | 4 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 8 | 2 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 0 | CENTRAL AMERICA AND THE CARIBBEAN |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 1 | EAST ASIA AND THE PACIFIC |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 2 | EUROPE (INCLUDING ICELAND & GREENLAND) |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 3 | MIDDLE EAST AND NORTH AFRICA |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 4 | NORTH AMERICA |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 5 | RUSSIA AND NEIGHBORING STATES |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 6 | SOUTH AMERICA |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 7 | SOUTH ASIA |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 8 | SUB-SAHARAN AFRICA |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 0 | STUDENT FINANCIAL AID |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 1 | STUDENT FINANCIAL AID |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 2 | STUDENT FINANCIAL AID |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 3 | STUDENT FINANCIAL AID |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 4 | STUDENT FINANCIAL AID |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 5 | STUDENT FINANCIAL AID |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 6 | STUDENT FINANCIAL AID |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 7 | STUDENT FINANCIAL AID |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 8 | STUDENT FINANCIAL AID |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/ValuationMethodUsedDesc | 0 | FAIR MARKET VALUE |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/ValuationMethodUsedDesc | 1 | FAIR MARKET VALUE |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/ValuationMethodUsedDesc | 2 | FAIR MARKET VALUE |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/ValuationMethodUsedDesc | 3 | FAIR MARKET VALUE |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/ValuationMethodUsedDesc | 4 | FAIR MARKET VALUE |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/ValuationMethodUsedDesc | 5 | FAIR MARKET VALUE |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/ValuationMethodUsedDesc | 6 | FAIR MARKET VALUE |