| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 270035 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 252317 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 147834 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 63334 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | THE PROVISION OF SECONDARY EDUCATION |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 3369 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 3369 |
| IRS990/AllOtherContributionsAmt | 0 | 963831 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 892 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 312631 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 989697 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 1303220 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | WILLIAM MEIER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2079470313 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 100 BROADWAY |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | BANGOR |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | ME |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 04401 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 777764 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 1371467 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 227200 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 227200 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| 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 | 963831 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 114687 |
| IRS990/CYOtherExpensesAmt | 0 | 3587503 |
| IRS990/CYOtherRevenueAmt | 0 | 1133 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 7019394 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 487126 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 4024416 |
| IRS990/CYTotalExpensesAmt | 0 | 7611919 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 484573 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 8099045 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 399940 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 554430 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 348583 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 348583 |
| IRS990/Desc | 0 | SECONDARY LEVEL EDUCATION |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 166 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 6200798 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 16977 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 16977 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 15651 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 15651 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 99902 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 99902 |
| 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 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 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/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | 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/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | RICH CROWE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MARY ELLEN DARLING |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | BENITA DESCHAINE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | EARLE HANNIGAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DAN WELLINGTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | THOMAS STONE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | JIM LACADIE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | KEVIN KELLY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | SUSAN MACKAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | TONY PELLEGRINI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | ED VOLKWEIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | PAT GAETANI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | WILLIAM MEIER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | SANDE CURTIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | HANS PETERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | ADRIENNE CARMACK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | PAUL HANNIGAN |
| 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/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 84700 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 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/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR OF |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | TREASURER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| 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 | 81095 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 16 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 488085 |
| IRS990/GrossReceiptsAmt | 0 | 8506035 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 16 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 35463 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 33244 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 142357 |
| IRS990/InterestGrp/TotalAmt | 0 | 142357 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 33592 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 33592 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 1330422 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 1409808 |
| IRS990/IRPDocumentCnt | 0 | 2 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 3385883 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 4645952 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 4374350 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 7760233 |
| IRS990/LegalDomicileStateCd | 0 | ME |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 406990 |
| 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 | THE PROVISION OF SECONDARY EDUCATION |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 2745025 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 2596894 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 3812195 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 4337655 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 81095 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 81095 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 6901 |
| IRS990/NoncashContributionsAmt | 0 | 6013 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 226827 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 226827 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 73741 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 105169 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 31433 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 32937 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 58601 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 499794 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 591332 |
| IRS990/OtherExpensesGrp/Desc | 0 | BOARDING PROGRAM EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 1 | FUNDRAISING EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 2 | LUNCH PROGRAM |
| IRS990/OtherExpensesGrp/Desc | 3 | INSTRUCTION AND LIBRARY S |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 235419 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 952819 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 120895 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 108475 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 952819 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 235419 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 120895 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 108475 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 525165 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 491816 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS INCOME |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1133 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 1133 |
| IRS990/OtherRevenueTotalAmt | 0 | 1133 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 191849 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 266746 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 2376811 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 2835406 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 14358 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 35035 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 217870 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 267263 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 5749 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 10229 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 87237 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 103215 |
| IRS990/PermanentlyRstrNetAssetsGrp/BOYAmt | 0 | 664255 |
| IRS990/PermanentlyRstrNetAssetsGrp/EOYAmt | 0 | 670193 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 627564 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 719034 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 90246 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 99982 |
| IRS990/PrincipalOfficerNm | 0 | MELVILLE MACKAY |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611600 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 713990 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 713990 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 3 | 453000 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TUITION AND FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | STUDENT ACTIVITIES |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | DONATIONS- FUNDRAISING EVENTS |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | SNACK AND SODA SALES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 6970552 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 40052 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 7338 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 3 | 1452 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 6970552 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 40052 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 7338 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 3 | 1452 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 1006729 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 68664 |
| IRS990/PYOtherExpensesAmt | 0 | 3539567 |
| IRS990/PYOtherRevenueAmt | 0 | 14290 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 7064068 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 591698 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 4022486 |
| IRS990/PYTotalExpensesAmt | 0 | 7562053 |
| IRS990/PYTotalRevenueAmt | 0 | 8153751 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 487126 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| 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 | 7019394 |
| IRS990/RoyaltiesGrp/ProgramServicesAmt | 0 | 2212 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 2212 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 23374 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 56724 |
| IRS990ScheduleA/SchoolInd | 0 | X |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/BoardDesignatedBalanceEOYPct | 0 | 0.21860 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 2969283 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 2387434 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 5356717 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1330422 |
| IRS990ScheduleD/CYEndwmtFundGrp/ContributionsAmt | 0 | 20156 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 1409808 |
| IRS990ScheduleD/CYEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | -58325 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 117555 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1218611 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/ContributionsAmt | 0 | 2940 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1330422 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | -54765 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 163636 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1238971 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1218611 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | -54051 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 33691 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1262048 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/ContributionsAmt | 0 | 4255 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1238971 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | -48000 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 20668 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 821865 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/ContributionsAmt | 0 | 339776 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1262048 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | -40237 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 140644 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | false |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | false |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 213390 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 603342 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 816732 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | -31383 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 7611919 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 69524 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 69524 |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 6901 |
| IRS990ScheduleD/OtherExpensesIncludedAmt | 0 | -31383 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 1122153 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 395107 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 1517260 |