| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO PROMOTE AND SUPPORT STUDENT ATHLETIC PROGRAMS, PARTICIPATION, DEVELOPMENT, AND FITNESS AT ANN ARBOR SKYLINE HIGH SCHOOL IN AN ATMOSPHERE THAT IS CONSISTENT WITH THE EDUCATIONAL PHILOSOPHY OF THE SCHOOL COMMUNITY. |
| IRS990/AllOtherContributionsAmt | 0 | 4056 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | LILLIAN DEBAKER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7349947075 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 2552 N MAPLE ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | ANN ARBOR |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MI |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 48103 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 308311 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 349266 |
| 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/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 9756 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 851 |
| IRS990/CYOtherExpensesAmt | 0 | 542507 |
| IRS990/CYOtherRevenueAmt | 0 | 116117 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 451868 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 29137 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 6948 |
| IRS990/CYTotalExpensesAmt | 0 | 549455 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 880 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 578592 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 11921 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 11921 |
| IRS990/Desc | 0 | THE ORGANIZATION PROVIDED SUPPLEMENTAL FINANCIAL SUPPORT FOR VARIOUS ATHLETIC ACTIVITIES, PROVIDED VARIOUS ATHLETIC EQUIPMENT, AND PROVIDED EDUCATIONAL PROGRAMS FOR COACHES AND THE APPROXIMATELY 968 ATHLETES. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DoingBusinessAsName/BusinessNameLine1Txt | 0 | SKYLINE ATHLETIC BOOSTER CLUB |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 1 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | false |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 531621 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 2649 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 2649 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 500 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 500 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 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 | 1.00 |
| 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/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | 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 | SHERI BELCHER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | DEBBIE TIRICO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | LILLIAN DEBACKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | CHRISTINA DEININGER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | LESLIE BAUGH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | STACY MARSH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | MARK MARSHALL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | SUSIE MCDEVITT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | KATHY WATZA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | STELLA WIXOM |
| 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 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 2007 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | true |
| IRS990/FundraisingDirectExpensesAmt | 0 | 40790 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 147680 |
| IRS990/GamingActivitiesInd | 0 | true |
| IRS990/GamingDirectExpensesAmt | 0 | 7941 |
| IRS990/GamingGrossIncomeAmt | 0 | 17167 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 10 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 627323 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 10 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 4399 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 4399 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 392 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 392 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 851 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 851 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 13 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 59910 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 86166 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 82829 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 142739 |
| IRS990/LegalDomicileStateCd | 0 | MI |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 5700 |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO PROMOTE AND SUPPORT STUDENT ATHLETIC PROGRAMS, PARTICIPATION, DEVELOPMENT, AND FITNESS AT ANN ARBOR SKYLINE HIGH SCHOOL IN AN ATMOSPHERE THAT IS CONSISTENT WITH THE EDUCATIONAL PHILOSOPHY OF THE SCHOOL COMMUNITY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 393924 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 423061 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | 106890 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 106890 |
| IRS990/NetIncomeFromGamingGrp/ExclusionAmt | 0 | 9226 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 9226 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 2566 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 2566 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgDoesNotFollowSFAS117Ind | 0 | X |
| IRS990/OtherExpensesGrp/Desc | 0 | TEAM EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 1 | FUNDRAISING EXPENSES:HOME |
| IRS990/OtherExpensesGrp/Desc | 2 | FUNDRAISING EXPENSES:CONC |
| IRS990/OtherExpensesGrp/Desc | 3 | GENERAL OPERATING EXPENSE |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 691 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 189 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 519135 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 65 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 519135 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 691 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 189 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 65 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 553 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 9034 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISC INCOME |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 1 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 1 |
| IRS990/OtherRevenueTotalAmt | 0 | 1 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 6600 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 6600 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 348 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 348 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | SHERI BELCHER |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TEAM INCOME |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 451868 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 451868 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 6648 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 484 |
| IRS990/PYOtherExpensesAmt | 0 | 510781 |
| IRS990/PYOtherRevenueAmt | 0 | 93893 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 405297 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -4459 |
| IRS990/PYTotalExpensesAmt | 0 | 510781 |
| IRS990/PYTotalRevenueAmt | 0 | 506322 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 29137 |
| IRS990/RegularMonitoringEnfrcInd | 0 | false |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 451868 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 393924 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 423061 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 9756 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 6648 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 8470 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 7490 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 65108 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 97472 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 851 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 484 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 489 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 460 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 450 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 2734 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 451868 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 405297 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 405012 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 511877 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 360421 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 2134475 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearAmt | 0 | 164847 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus1YearAmt | 0 | 134986 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus2YearsAmt | 0 | 168120 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus3YearsAmt | 0 | 172969 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus4YearsAmt | 0 | 208399 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt | 0 | 849321 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 851 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 484 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 489 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 460 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 450 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 2734 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00000 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00000 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.99910 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.99910 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 3081268 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 626471 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 546931 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 581602 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 692336 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 633928 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 3081268 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 627322 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 547415 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 582091 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 692796 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 634378 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 3084002 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 82829 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 59910 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 142739 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 5542 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 3290 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 2 | 202 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | SPORTS PERFORMANCE SUMMER SALARY PAY |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | PAYABLE TO COLUMBIA BLUE CREW |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 2 | PAYROLL TAX PAYABLE |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 82829 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 9034 |
| IRS990ScheduleG/CharitableDistributionRqrInd | 0 | false |
| IRS990ScheduleG/CntrctWith3rdPrtyForGameRevInd | 0 | false |
| IRS990ScheduleG/FundraisingEventInformationGrp/DirectExpenseSummaryEventsAmt | 0 | 32186 |
| IRS990ScheduleG/FundraisingEventInformationGrp/Event1Nm | 0 | ANNUAL GALA |
| IRS990ScheduleG/FundraisingEventInformationGrp/Event2Nm | 0 | CONCESSIONS |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent1Amt | 0 | 73983 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent2Amt | 0 | 46073 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsTotalAmt | 0 | 120056 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueEvent1Amt | 0 | 73983 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueEvent2Amt | 0 | 46073 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueTotalEventsAmt | 0 | 120056 |
| IRS990ScheduleG/FundraisingEventInformationGrp/NetIncomeSummaryAmt | 0 | 87870 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OthDirectExpnssTotalEventsAmt | 0 | 32186 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OtherDirectExpensesEvent1Amt | 0 | 14425 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OtherDirectExpensesEvent2Amt | 0 | 17761 |
| IRS990ScheduleG/GamingInformationGrp/DirectExpenseSummaryGamingAmt | 0 | 7941 |
| IRS990ScheduleG/GamingInformationGrp/GrossRevenueOtherGamingAmt | 0 | 17167 |
| IRS990ScheduleG/GamingInformationGrp/GrossRevenueTotalGamingAmt | 0 | 17167 |
| IRS990ScheduleG/GamingInformationGrp/NetGamingIncomeSummaryAmt | 0 | 9226 |
| IRS990ScheduleG/GamingInformationGrp/OthDirectExpnssOtherGamingAmt | 0 | 7941 |
| IRS990ScheduleG/GamingInformationGrp/OthDirectExpnssTotalGamingAmt | 0 | 7941 |
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| IRS990ScheduleG/GamingInformationGrp/VolunteerLaborPullTabsInd | 0 | false |
| IRS990ScheduleG/GamingWithNonmembersInd | 0 | false |
| IRS990ScheduleG/IndividualWithBooksNm | 0 | LILLIAN DEBAKER |
| IRS990ScheduleG/LicensedInd | 0 | true |
| IRS990ScheduleG/LicensedStatesCd | 0 | MI |
| IRS990ScheduleG/LicenseSuspendedEtcInd | 0 | false |
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| IRS990ScheduleG/PersonsWithBooksUSAddress/AddressLine1Txt | 0 | 2552 N MAPLE ROAD |
| IRS990ScheduleG/PersonsWithBooksUSAddress/CityNm | 0 | ANN ARBOR |
| IRS990ScheduleG/PersonsWithBooksUSAddress/StateAbbreviationCd | 0 | MI |
| IRS990ScheduleG/PersonsWithBooksUSAddress/ZIPCd | 0 | 48103 |
| IRS990ScheduleG/StatesWhereGamingConductedCd | 0 | MI |
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| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION HAS FOUR CLASSES OF MEMBERSHIP IN THE CLUB AS FOLLOWS: REGULAR MEMBERSHIP - A REGULAR MEMBER IS ANY PERSON WHO IS A PARENT OR LEGAL GUARDIAN IF ANY STUDENT ATHLETE OF ANN ARBOR SKYLILNE HIGH SCHOOL. THIS CLASS OF MEMBERSHIP IS THE ONLY CLASS WITH VOTING RIGHTS. STAFF MEMBERSHIP - A STAFF MEMBER IS A COACH, TEACHER, OR STAFF MEMBER WHO IS EMPLOYED AT ANN ARBOR SKYLINE HIGH SCHOOL AND IS APPROVED BY THE SCHOOLS PRINCIPAL. COMMUNITY MEMBERSHIP - A COMMUNITY MEMBER IS ANY PERSON WHO IS SUPPORTIVE OF SKYLINE ATHLETICS IN THE LOCAL COMMUNITY, A FORMER SKYLINE STUDENT OR ATHLETE, OR IS A PARENT OF A FORMER OR FUTURE SKYLINE HIGH SCHOOL STUDENT ATHLETE. STUDENT MEMBERSHIP - A STUDENT MEMBER IS ANY CURRENT STUDENT ATHLETE ATTENDING OR COMPETING FOR ANN ARBOR SKYLINE HIGH SCHOOL. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | AT THE ANNUAL MEETING, THE REGULAR MEMBERSHIP VOTES ON THE ELECTION OF THE CANDIDATES FOR THE BOARD OF DIRECTORS THAT HAVE BEEN RECOMMENDED BY THE ELECTION COMMITTEE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | FORM 990 IS PROVIDED TO THE BOARD OF DIRECTORS WHO REVIEW THE RETURN. ONCE THE BOARD APPROVES THE RETURN IT IS SIGNED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | GOVERNING DOCUMENTS ARE AVAILABLE ON THE ORGANIZATIONS WEBSITE. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PAGE 6, PART VI, LINE 6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 7A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 19 |
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| IRS990/TerminateOperationsInd | 0 | false |
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| IRS990/TotalAssetsGrp/EOYAmt | 0 | 432095 |
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| IRS990/TotalContributionsAmt | 0 | 9756 |
| IRS990/TotalEmployeeCnt | 0 | 1 |
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| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 549455 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 553 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 9034 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 553 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 9034 |
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