| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 147410 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 701960 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 407170 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 292520 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | CARY ACADEMY IS AN INDEPENDENT COEDUCATIONAL DAY SCHOOL FOR STUDENTS IN GRADES SIX THROUGH TWELVE. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 21238 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 21238 |
| IRS990/AllOtherContributionsAmt | 0 | 2728993 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 1144 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 130802 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 55253 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 187199 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | DEBORAH REICHEL CARY ACADEM |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 9196773873 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1500 N HARRISON AVENUE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CARY |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NC |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 27513 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 1197 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 766 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 647106 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 647106 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 869 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 869 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 293653 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 2000 AERIAL CENTER PARKWAY SUITE 11 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | MORRISVILLE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | NC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 27560 |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 0 | DPR CONSTRUCTION - A GENERAL PARTNE |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | CONSTRUCTION |
| IRS990/ContriRptFundraisingEventAmt | 0 | 80358 |
| IRS990/CostOfGoodsSoldAmt | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 2809351 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1460443 |
| IRS990/CYInvestmentIncomeAmt | 0 | 2256388 |
| IRS990/CYOtherExpensesAmt | 0 | 7067139 |
| IRS990/CYOtherRevenueAmt | 0 | 139784 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 19405077 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 2036910 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 14046108 |
| IRS990/CYTotalExpensesAmt | 0 | 22573690 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 164105 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 24610600 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | true |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 2539395 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 1599217 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 2552 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 331105 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1894857 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 2228514 |
| IRS990/Desc | 0 | DURING THE 2017-2018 SCHOOL YEAR, CARY ACADEMY HAD 764 STUDENTS ENROLLED IN GRADES SIX THROUGH TWELVE. THE SCHOOL ALSO CONTINUED ITS RECRUITMENT AND ADMISSION OF STUDENTS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonatedServicesAndUseFcltsAmt | 0 | 57090 |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 264 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 18996433 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 24000 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 24000 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 11839 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 15346 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 27185 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 105 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 88590 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 12434 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 101129 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 496 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 496 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 16 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 17 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 18 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 19 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 20 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 21 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 22 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 23 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 24 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 25 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 26 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | X |
| 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/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| 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/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/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/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 43156 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 55546 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 33768 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 10799 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 20211 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 40585 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 37038 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | JEFFREY J EAKES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ROBERT A INGRAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JOHN P SALL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | VIRGINIA B SALL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DR JAMES H GOODNIGHT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ANN B GOODNIGHT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | SANDRA A GUTIERREZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | DR JAMES H JOHNSON JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MONICA UDELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | ANITA BROWN-GRAHAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | LANETA DORFLINGER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | JEFFREY KENNEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | WALTER DAVENPORT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | MANJU KARKARE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | JENNIFER WEISS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | MIKE CURRAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | GREG SANCHEZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | TRUDE BATE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | KENDALL BELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | GLENN KLEIMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | DEBORAH REICHEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | MICHAEL EHRHARDT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | HEATHER CLARKSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | LYNNE FOUNTAIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | DMITRY MANAKHOV |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | MARTI JENKINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | KAREN MCKENZIE |
| 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 189842 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 381695 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 122012 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 157127 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 121464 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 119266 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 106375 |
| 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/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | MEMBER, BOARD OF DIRECTORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | CHIEF FINANCIAL OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | PRESIDENT & HEAD OF SCHOOL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | UPPER SCHOOL HEAD |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | DIRECTOR OF ADVANCEMENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | DIRECTOR OF INFORMATION SVCS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | MIDDLE SCHOOL HEAD |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | DIRECTOR OF TECHNOLOGY |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1995 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | true |
| IRS990/FundraisingAmt | 0 | 80358 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 328822 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 409403 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 79469 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GamingDirectExpensesAmt | 0 | 0 |
| IRS990/GamingGrossIncomeAmt | 0 | 2223 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 20 |
| IRS990/GrantAmt | 0 | 1460443 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 0 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 1460443 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 1460443 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | true |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 87746 |
| IRS990/GrossReceiptsAmt | 0 | 24947699 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 0 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 20 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 8 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 319 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 39876 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 314861 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 355056 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 138 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 14925 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 78555 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 93618 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 63198 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 58230 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 2176919 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 2176919 |
| 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 | 48104388 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 49161460 |
| IRS990/IRPDocumentCnt | 0 | 62 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 40338063 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 28967926 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 32469490 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 72807553 |
| IRS990/LegalDomicileStateCd | 0 | NC |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 8277 |
| 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/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |