| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 1727398 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 2032954 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 38010 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 95915 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | THE ORGANIZATION PROVIDES CHARTER SCHOOLS WITH MANAGEMENT SERVICES. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 10698 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 305594 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 316292 |
| IRS990/AllOtherContributionsAmt | 0 | 1947756 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 44245 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 44245 |
| IRS990/AmendedReturnInd | 0 | X |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | SYDNEY MOSHETTE CONTROLLER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6468299659 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1767 PARK AVENUE 5TH FLOOR |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | NEW YORK |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 10035 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 10564 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 830440 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 7 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 55149 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 496344 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 551493 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 561 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 5046 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 5607 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 1 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 806099 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 278882 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 144871 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 134269 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 120760 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 270 MADISON AVENUE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 1001 AVENUE OF THE AMERICAS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 16 RYAN STREET |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 401 W PRATT ST |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 120 HUYSHOPE AVENUE SUITE 400 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | NEW YORK |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | NEW YORK |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | SYOSSET |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | BALTIMORE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | HARTFORD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | CT |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 10016 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 10018 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 11791 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 21201 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 06106 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | PETRETTI & ASSOCIATES |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | LILKER ASSOCIATES CONSULTING ENGINEERS |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | ACCOUNTING SOLUTIONS OF NEW YORK INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | HILTON BALTIMORE |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | JCJ ARCHITECTURE |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | CONSTRUCTION SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | ENGINEERING DESIGN/CONSULTING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | ACCOUNTING & BOOKKEEPING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | LODGING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | ARCHITECTURAL SERVICES |
| IRS990/CreditCounselingInd | 0 | 1 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 4872294 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1500000 |
| IRS990/CYInvestmentIncomeAmt | 0 | 4 |
| IRS990/CYOtherExpensesAmt | 0 | 5792530 |
| IRS990/CYOtherRevenueAmt | 0 | 141185 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 22174203 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -2171350 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 22066506 |
| IRS990/CYTotalExpensesAmt | 0 | 29359036 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 10698 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 27187686 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 145313 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 1905335 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 8143 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 73289 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 81432 |
| IRS990/Desc | 0 | THE ORGANIZATION OPERATES AS A CHARTER MANAGEMENT ORGANIZATION PROVIDING EDUCATIONAL SERVICES, MANAGEMENT OPERATIONS AND FUNDRAISING ACTIVITIES FOR THE FOLLOWING RELATED CHARTER SCHOOLS: DEMOCRACY PREP NEW YORK CHARTER SCHOOLS, DEMOCRACY PREP ENDURANCE CHARTER SCHOOL, FREEDOM PREP CHARTER SCHOOL, DEMOCRACY PREP CONGRESS HEIGHTS, DEMOCRACY PREP BATON ROUGE, DEMOCRACY PREP AGASSI CAMPUS, DEMOCRACY PREP TEXAS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 1 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 306 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 170755 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 170755 |
| IRS990/ExpenseAmt | 0 | 26491897 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditPerformedInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 92656 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 92656 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 57414 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 57414 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 98963 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 890663 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 989626 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 65.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 65.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 65.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 65.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 65.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 65.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 65.00 |
| 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/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 | 19728 |
| 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 | 8632 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 33427 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 21366 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 12641 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 13166 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 28471 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | RYAN OFFUTT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | CARLOS LEJNIEKS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | PALLAVI VERMA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | KATHRYN DUFFY STANTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ALLYSON DOWNEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | CHRIS KRAUS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | ERHARD MARIUS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JERI POWELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | SAM SCHAEFFER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | GREG SPREEMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | KENT ANKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | LINDA JONES EASTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | BENJAMIN FEIT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | LISA FRISCIA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | JONATHAN HOWARD |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 297154 |
| 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 | 219907 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 203242 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 175343 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 170050 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 166663 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 162554 |
| 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/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE-CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR AND CHIEF EXECUTIVE OFFICER |
| 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 | CHIEF FINANCIAL OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | VP OF PUBLIC POLICY & GENERAL COUNSEL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | SENIOR VP OF HR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | VP OF STRATEGY & CHIEF OF STAFF |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | VP OF TALENT DEVELOPMENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | VP OF RECRUITMENT |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2005 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GovernmentGrantsAmt | 0 | 2924538 |
| IRS990/GrantAmt | 0 | 1500000 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 1500000 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 1500000 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 27187686 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 8 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 22 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 9188 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 82694 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 91882 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 4926 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 44334 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 49260 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 4 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 4 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 25 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 251388 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 3968935 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 6894434 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 7145822 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| IRS990/LoanOutstandingInd | 0 | 1 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 800000 |
| 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 | THE ORGANIZATION MANAGES AND OPERATES HIGH-PERFORMING CHARTER SCHOOLS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 2819879 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | -369019 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | -2540369 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoncashContributionsAmt | 0 | 50090 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 159981 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 1439828 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 1599809 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 39328 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 200681 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 240009 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 1641764 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 2735450 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 153511 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 1381596 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 1535107 |
| IRS990/OtherExpensesGrp/Desc | 0 | REPLICATION & EXPANSION |
| IRS990/OtherExpensesGrp/Desc | 1 | FOOD |
| IRS990/OtherExpensesGrp/Desc | 2 | PROFESSIONAL DEVELOPMEN |
| IRS990/OtherExpensesGrp/Desc | 3 | STUDENT SERVICES |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 23775 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 49581 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 1259994 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 213979 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 66666 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 1259994 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 237754 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 66666 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 49581 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 2090289 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 3484718 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 1 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | ACCOUNTS PAYABLE WRITE-OFF |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | SETTLEMENT PAYMENT |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 93060 |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 1 | 48125 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 93060 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 1 | 48125 |
| IRS990/OtherRevenueTotalAmt | 0 | 141185 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 1774726 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 15972566 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 17747292 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 160386 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 1443473 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 1603859 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 62875 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 565880 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 628755 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 150332 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 6477 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 105840 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 133495 |
| IRS990/PrincipalOfficerNm | 0 | NATASHA TRIVERS |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 541610 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 531120 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | MANAGEMENT FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | RENTAL TO CHARTER SCHOOLS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 20150624 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 2023579 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 20150624 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 2023579 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 3174540 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 516114 |
| IRS990/PYInvestmentIncomeAmt | 0 | -9155 |
| IRS990/PYOtherExpensesAmt | 0 | 3889062 |
| IRS990/PYOtherRevenueAmt | 0 | 11269 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 11686847 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 343003 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 10115322 |
| IRS990/PYTotalExpensesAmt | 0 | 14520498 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 14863501 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -2171350 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 1 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 22174203 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 50090 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | OTHER INCOME - 2013 AMOUNT: $ 688. 2014 AMOUNT: $ 8,424. 2015 AMOUNT: $ 16,647. 2016 AMOUNT: $ 11,269. SETTLEMENT PAYMENT - 2017 AMOUNT: $ 48,125. ACCOUNTS PAYABLE WRITE-OFF - 2017 AMOUNT: $ 93,060. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME: |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 4872294 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 3174540 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1916657 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 4334452 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 3292290 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 17590233 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 4 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 621 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 625 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 53885420 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 141185 |