| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 1350766 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1914152 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 300417 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 551811 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | To conduct a school for educational purposes, on a nonprofit basis, and such other things as necessary or useful in the accomplishment of said purpose. |
| IRS990/AllOtherContributionsAmt | 0 | 2209935 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | MARK SEMO |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 8437224088 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 172 RUTLEDGE AVE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CHARLESTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | SC |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 29403 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 250051 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 250176 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 365619 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 198392 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 564011 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 1 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 2209935 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1608154 |
| IRS990/CYInvestmentIncomeAmt | 0 | 322656 |
| IRS990/CYOtherExpensesAmt | 0 | 5159861 |
| IRS990/CYOtherRevenueAmt | 0 | 35477 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 15684001 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 624059 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 10859995 |
| IRS990/CYTotalExpensesAmt | 0 | 17628010 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 490340 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 18252069 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 4583344 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 4238565 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 11067 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 36378 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1235825 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1283270 |
| IRS990/Desc | 0 | EDUCATION PROVIDED TO KINDERGARTEN THROUGH 12TH GRADE STUDENTS. AFTERSCHOOL AND SUMMER PROGRAMS FOR THE STUDENTS AS WELL AS EARLY CHILDHOOD PROGRAMS FOR YOUNGER CHILDREN. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 1 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 293 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountInd | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 145614 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 139448 |
| IRS990/ExpenseAmt | 0 | 14426205 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 22033 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 22033 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form1098CFiledInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form8899Filedind | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 4.00 |
| 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 | 1.00 |
| 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/AverageHoursPerWeekRt | 17 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 27 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 28 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 29 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 30 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 31 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | 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/IndividualTrusteeOrDirectorInd | 20 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 21 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 22 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 23 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 24 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 25 | 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/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 6 | 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 31250 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 27 | 5414 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 28 | 2719 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 29 | 7490 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 30 | 5453 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 31 | 5687 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Brett Hildebrand |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Artie I Richards |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Heidi Ward Ravenel |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Hugh C Lane Jr |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Susanne Buck Cantey |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Emmie Aichele Dawson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Ceara Donnelley |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Kenneth W Harrell |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Philip L Horn Jr |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Laurie A Host |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Lenna Kirchner |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Kevin W Mooney |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Rhett Ramsay Outten |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Sunil J Patel MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | Karen Jenkins Phillips |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | Anne Tamsberg Pope |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | Barton A Proctor |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | Jerry Reves MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | Kaye Smith |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | Eric Strickland |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | Emily Swanson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | Mary Agnes Burnham Hood |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | Martha Rivers Ingram |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | Patricia T Kirkland |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | Elizabeth Rivers Lewine |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | J Conrad Zimmerman Jr |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | JILL MUTI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 27 | Audrey Tamekazu |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 28 | Mark Semo |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 29 | Anne Weston |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 30 | Lois Ruggiero |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 31 | Nick Bozanic |
| 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 356304 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 27 | 106345 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 28 | 52021 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 29 | 145468 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 30 | 106125 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 31 | 100409 |
| 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/ReportableCompFromRltdOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 28 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 29 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 30 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 31 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Vice Chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | MEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | mEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | mEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | mEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | mEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | mEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | mEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | mEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | mEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | mEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | mEMBER-AT-LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | HEAD OF SCHOOL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 28 | CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 29 | Division director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 30 | Division director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 31 | Dean of Faculty |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 0 |
| IRS990/FormationYr | 0 | 1949 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 18296 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 26 |
| IRS990/GrantAmt | 0 | 1608154 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 1608154 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 1608154 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 1800984 |
| IRS990/GrossReceiptsAmt | 0 | 20110475 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 59472 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 26 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 5 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 3419 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 2315 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 409353 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 415087 |
| IRS990/InterestGrp/FundraisingAmt | 0 | 2041 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 12965 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 227879 |
| IRS990/InterestGrp/TotalAmt | 0 | 242885 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 304360 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 304360 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 10570144 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 10359190 |
| IRS990/InvestTaxExemptBondsInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 85 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 15124710 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 31386116 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 32907538 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 48032248 |
| IRS990/LegalDomicileStateCd | 0 | SC |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 1782688 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 75718 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | To conduct a school for educational purposes, on a nonprofit basis, and such other things as necessary or useful in the accomplishment of said purpose. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 21838961 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 23415605 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 18296 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 18296 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | -16246 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | -16246 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 952587 |
| IRS990/NoncashContributionsAmt | 0 | 163579 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 7573 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 5128 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 906805 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 919506 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OnBehalfOfIssuerInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 324973 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 23868 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 239970 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 857997 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 1121835 |
| IRS990/OtherExpensesGrp/Desc | 0 | Programs and Operations |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 19917 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 33187 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 2223976 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 2277080 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 146792 |