Liabilities / Assets
14th percentile
Higher debt load relative to assets than 14% of similar nonprofits.
EIN 54-1371584 • 501(c)3 • Charlottesville, VA
Profile
The mission of the foundation is the re-introduction of coherent content into the early grades as a necessary means to accomplishing a fundamental goal of schooling in a democracy - enabling all children to thrive, as jefferson put it, according to their talents and virtues, regardless of who their parents happen to be. The foundation's goals are captured in its motto: "educational excellence and equity for all children."
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
14th percentile
Higher debt load relative to assets than 14% of similar nonprofits.
Liabilities / Revenue
11th percentile
Higher debt load relative to revenue than 11% of similar nonprofits.
Net Margin
95th percentile
Higher net margin than 95% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
95th percentile
Faster asset growth than 95% of similar nonprofits.
Revenue Growth
66th percentile
Faster revenue growth than 66% of similar nonprofits.
Assets
Up$53,556,470
Up $18,489,533 (+53%) from 2023
Liabilities
Down$942,470
Down $1,640,479 (-64%) from 2023
Net Assets
Up$52,614,000
Up $20,130,012 (+62%) from 2023
Revenue
Up$25,293,750
Up $3,158,436 (+14%) from 2023
Expenses
Up$7,155,881
Up $975,860 (+16%) from 2023
Net Income
Up$18,137,869
Up $2,182,576 (+14%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
The mission of the foundation is the re-introduction of coherent content into the early grades as a necessary means to accomplishing a fundamental goal of schooling in a democracy enabling all children to thrive, as jefferson put it, according to their talents and virtues, regardless of who their parents happen to be. The foundation's goals are captured in its motto "educational excellence and equity for all children." we believe that open access to exemplary curriculum materials is the best way to level the playing field and increase equity in education. The foundation's mission is to improve american elementary education (and thereby secondary education too) by providing open access to a sequenced, cumulative and coherent knowledge based curriculum for preschool through grade 5.
The mission of the core knowledge foundation is to advance excellence and equity in education for all children.to achieve this mission, we offer detailed curricular guidance and materials to schools, teachers, parents, and policy makersto anyone who believes, as we do, that every child in a diverse democracy deserves access to enabling knowledge.by providing open access to an exemplary curriculum for preschool through twelfth grade, we endeavor to:- create literate citizens able to contribute to a democratic society.- empower each child to achieve his or her greatest academic potential.- shrink the excellence gap between the academic achievement of american students and that of their international peers from high-performing countries.- shrink the fairness gap between the academic achievement of american students living in poverty and that of their economically advantaged peers.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $11,451,639 | $19,304,791 | ▲ $7,853,152 |
| Savings and Temporary Cash Investments | $6,733,998 | $14,237,914 | ▲ $7,503,916 |
| Inventories for Sale or Use | $4,807,178 | $5,144,574 | ▲ $337,396 |
| Accounts Receivable | $438,422 | $1,390,463 | ▲ $952,041 |
| Cash and Non-Interest-Bearing Accounts | $665,893 | $1,034,903 | ▲ $369,010 |
| Land, Buildings, and Equipment, Net | $519,592 | $525,453 | ▲ $5,861 |
| Intangible Assets | $10,827 | $9,773 | ▼ $1,054 |
| Prepaid Expenses and Deferred Charges | $268,421 | $9,563 | ▼ $258,858 |
| Total Assets | $35,066,937 | $53,556,470 | ▲ $18,489,533 |
| Other Assets Total | $10,170,967 | $11,899,036 | ▲ $1,728,069 |
| Liabilities | |||
| Other Liabilities | $1,078,658 | $730,142 | ▼ $348,516 |
| Accounts Payable and Accrued Expenses | $769,288 | $136,771 | ▼ $632,517 |
| Deferred Revenue | $735,003 | $75,557 | ▼ $659,446 |
| Total Liabilities | $2,582,949 | $942,470 | ▼ $1,640,479 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $32,473,324 | $52,606,336 | ▲ $20,133,012 |
| Net Assets With Donor Restrictions | $10,664 | $7,664 | ▼ $3,000 |
| Total Net Assets Fund Balance | $32,483,988 | $52,614,000 | ▲ $20,130,012 |
| Total Liabilities and Net Assets / Fund Balance | $35,066,937 | $53,556,470 | ▲ $18,489,533 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $77,990 | $1,016,053 | $1,094,043 |
| Buildings | $251,568 | $393,180 | $644,748 |
| Land | $186,662 | - | $186,662 |
| Leasehold Improvements | $9,233 | $90,025 | $99,258 |
| Other Assets Org | $11,286,679 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $2,986,255 | - | ▲ $444,054 | - | $3,430,309 |
| 2023 | $2,843,385 | - | ▲ $142,870 | - | $2,986,255 |
| 2022 | $3,398,645 | - | ▼ $555,260 | - | $2,843,385 |
| 2021 | $2,769,943 | - | ▲ $628,702 | - | $3,398,645 |
| 2020 | $2,600,055 | - | ▲ $289,888 | $120,000 | $2,769,943 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Linda Bevilacqua | President | FT | $142,119 | $76,514 | $218,633 |
| Daniel Franck | Director of Science Curric | FT | $141,439 | $1,176 | $142,615 |
| Rosemary Mccormick | Director of Publications D | FT | $131,560 | $1,123 | $132,683 |
| Ilene Goldman | Director of Social Studies | FT | $112,550 | $12,774 | $125,324 |
| Kristen Rodriguez | Director of School Engagem | FT | $120,283 | $1,130 | $121,413 |
| Samantha Legard | Director of Operations | FT | $120,283 | $1,130 | $121,413 |
| Name | Title |
|---|---|
| John Ballen | Chairman |
| Stephen Tomlin | Vice Chairman |
| Beth Anderson | Trustee |
| Brad Miller | Trustee |
| David Hurwitz | Trustee |
| Ed Hirsch | Trustee |
| Jeff Litt | Trustee |
| John Hirsch | Trustee |
| Lewis Blaustein | Trustee |
| Marc Smith | Trustee |
| Louisa Spencer | Secretary |
| Mike Giarla | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Six Red Marbles LLC | Publication Development | 101 STATION LANDING SUITE 310, Medford, MA 02155 | $1,125,595 |
| Line Item | Amount |
|---|---|
| Other Expenses | $4,835,821 |
| Salaries, Compensation, and Employee Benefits | $2,320,060 |
| Total Fundraising Expense | $11,120 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Other | $2,998,779 | $343,230 | - | $3,342,009 |
| Other Salaries and Wages | $59,406 | $1,663,056 | - | $1,722,462 |
| Occupancy | - | $256,358 | - | $256,358 |
| Travel | $90,250 | $148,563 | - | $238,813 |
| Other Employee Benefits | - | $228,171 | - | $228,171 |
| Current Officers, Directors, Trustees, and Key Employees | - | $208,295 | $10,338 | $218,633 |
| Payroll Taxes | $8,053 | $141,959 | $782 | $150,794 |
| Office Expenses | $39,452 | $51,424 | - | $90,876 |
| Insurance | $89,131 | - | - | $89,131 |
| Depreciation Depletion | - | $59,168 | - | $59,168 |
| Other Expenses | $339 | $17,434 | - | $17,434 |
| Conferences and Meetings | $1,126 | $3,076 | - | $4,202 |
| All Other Expenses | $2,767 | $-39,751 | - | $-36,984 |
| Total Functional Expenses | $3,941,757 | $3,203,004 | $11,120 | $7,155,881 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $7,155,881 |
| Total Expenses per Audited Statements | $7,155,881 |
| Total Expenses per Form 990 | $7,155,881 |
| Expenses Not Reported on Financial Statements | $0 |
| Expenses Not Reported on Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Lease Liability | $730,142 |
“John hirsch is the son of e.d. Hirsch. Neither receives compensation for their services, or conducts other business with the foundation.”
“A copy of the 990 is provided to the finance committee for review. The finance committee then presents it to the board of directors prior to filing.”
“All employees, board members and officers are covered under the conflict of interest policy. The president makes the determination of whether conflicts exist and reviews actual conflicts. To regularly and consistently monitor compliance with the policy, all employees are asked to sign a confidentiality agreement upon hire. They are required to let the president know of any other employment and it is at the discretion of the president to determine if there is a conflict and provide approval. When dealing with a board member or an officer, and ad hoc committee of the board is formed to explore issues related to the potential conflict. The committee presents its research to the board and the board makes a decision on approval or disapproval. The decision is documented in the board minutes.”
“Management, key employees and officers' compensation is reviewed and approved by the board of directors on an annual basis. The board determines reasonableness of compensation amounts based on comparison to other similar organizations and comparability data. All decision are documented in the board minutes.”
“The organization makes its governing documents, conflict of interest policy and financial statements available to the public upon request.”
“Contracted services: program service expenses 35,258. Management and general expenses 255,524. Fundraising expenses 0. Total expenses 290,782. Publication and development: program service expenses 2,880,396. Management and general expenses 87,706. Fundraising expenses 0. Total expenses 2,968,102. Consultants: program service expenses 83,125. Management and general expenses 0. Fundraising expenses 0. Total expenses 83,125.”
“No change in oversight process during the year.”
“The foundation has reviewed and evaluated the relevant technical merits of each of its tax positions in accordance with guidance established by the fasb and has determined that there are no uncertain tax positions that would have a material impact on the financial statements of the foundation.”
“The board of directors has designated a portion of unrestricted net assets as an endowment fund. Investment income earned on these assets is reinvested in this fund. These funds can be used to finance unrestricted operations as necessary.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 769288 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 136771 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 438422 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 1390463 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | THE MISSION OF THE CORE KNOWLEDGE FOUNDATION IS TO ADVANCE EXCELLENCE AND EQUITY IN EDUCATION FOR ALL CHILDREN.TO ACHIEVE THIS MISSION, WE OFFER DETAILED CURRICULAR GUIDANCE AND MATERIALS TO SCHOOLS, TEACHERS, PARENTS, AND POLICY MAKERSTO ANYONE WHO BELIEVES, AS WE DO, THAT EVERY CHILD IN A DIVERSE DEMOCRACY DESERVES ACCESS TO ENABLING KNOWLEDGE.BY PROVIDING OPEN ACCESS TO AN EXEMPLARY CURRICULUM FOR PRESCHOOL THROUGH TWELFTH GRADE, WE ENDEAVOR TO:- CREATE LITERATE CITIZENS ABLE TO CONTRIBUTE TO A DEMOCRATIC SOCIETY.- EMPOWER EACH CHILD TO ACHIEVE HIS OR HER GREATEST ACADEMIC POTENTIAL.- SHRINK THE EXCELLENCE GAP BETWEEN THE ACADEMIC ACHIEVEMENT OF AMERICAN STUDENTS AND THAT OF THEIR INTERNATIONAL PEERS FROM HIGH-PERFORMING COUNTRIES.- SHRINK THE FAIRNESS GAP BETWEEN THE ACADEMIC ACHIEVEMENT OF AMERICAN STUDENTS LIVING IN POVERTY AND THAT OF THEIR ECONOMICALLY ADVANTAGED PEERS. |
| IRS990/AllOtherContributionsAmt | 0 | 11421 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | -39751 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 2767 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | -36984 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 0 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | THE ORGANIZATION |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4349777550 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 801 EAST HIGH STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CHARLOTTESVILLE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | VA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 22902 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 665893 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 1034903 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 10338 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 208295 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 218633 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 3076 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 1126 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 4202 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 1125595 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 101 STATION LANDING SUITE 310 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | MEDFORD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 02155 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | SIX RED MARBLES LLC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | PUBLICATION DEVELOPMENT |
| IRS990/CostOfGoodsSoldAmt | 0 | 3370353 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 11421 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 737031 |
| IRS990/CYOtherExpensesAmt | 0 | 4835821 |
| IRS990/CYOtherRevenueAmt | 0 | 6433935 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 18111363 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 18137869 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 2320060 |
| IRS990/CYTotalExpensesAmt | 0 | 7155881 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 11120 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 25293750 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 735003 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 75557 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 59168 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 59168 |
| IRS990/Desc | 0 | THE FOUNDATION ADVANCES EDUCATIONAL EXCELLENCE AND OPPORTUNITY FOR ALL STUDENTS BY CREATING AND SHARING RIGOROUS, CONTENT-RICH, INTENTIONALLY SEQUENCED CURRICULUM, BOOKS, AND INSTRUCTIONAL MATERIALS - MOST AVAILABLE FOR FREE - AND BY PARTNERING WITH SCHOOLS, DISTRICTS, STATES, AND EDUCATORS NATIONWIDE TO BRING COHERENT KNOWLEDGE-BASED EDUCATION TO LIFE. SPECIFIC ACTIVITIES AND PUBLICATIONS INCLUDE: THE CORE KNOWLEDGE SEQUENCE; CURRICULUM AND ALIGNED RESOURCES IN LANGUAGE ARTS, HISTORY, SOCIAL STUDIES, SCIENCE, ARTS, AND MATH; EDUCATOR PROFESSIONAL LEARNING AND SUPPORT; AND ADVOCACY AND AWARENESS THROUGH PUBLICATIONS, CONFERENCES, AND OTHER ACTIVITIES. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 10664 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 7664 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 27 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 3941757 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 343230 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 2998779 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 3342009 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 40.00 |
| 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/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/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/OtherCompensationAmt | 0 | 1514 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 1176 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 1123 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 1130 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 1130 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 12774 |
| 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/PersonNm | 0 | LINDA BEVILACQUA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | DANIEL FRANCK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ROSEMARY MCCORMICK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | KRISTEN RODRIGUEZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | SAMANTHA LEGARD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ILENE GOLDMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | JOHN BALLEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | STEPHEN TOMLIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | LOUISA SPENCER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | MIKE GIARLA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | BETH ANDERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | LEWIS BLAUSTEIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | ED HIRSCH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | JOHN HIRSCH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | DAVID HURWITZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | JEFF LITT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | BRAD MILLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | MARC SMITH |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 217119 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 141439 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 131560 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 120283 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 120283 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 112550 |
| 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/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/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR OF SCIENCE CURRIC |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR OF PUBLICATIONS D |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR OF SCHOOL ENGAGEM |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR OF OPERATIONS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR OF SOCIAL STUDIES |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | VICE CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1986 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | -6384 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 1201517 |
| IRS990/GrossReceiptsAmt | 0 | 29872004 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 9804288 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 6 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 89131 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 89131 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 10827 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 9773 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 4807178 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 5144574 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 743415 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 743415 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 11451639 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 19304791 |
| IRS990/IRPDocumentCnt | 0 | 19 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1499258 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 519592 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 525453 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 2024711 |
| IRS990/LegalDomicileStateCd | 0 | VA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 1207901 |
| 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 ADVANCE EXCELLENCE AND EQUITY IN EDUCATION FOR ALL CHILDREN. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 32483988 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 52614000 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -6384 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -6384 |
| IRS990/NetIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 6433935 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 6433935 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 1992143 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 32473324 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 52606336 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 256358 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 256358 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 51424 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 39452 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 90876 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 10170967 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 11899036 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 228171 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 228171 |
| IRS990/OtherExpensesGrp/Desc | 0 | POSTAGE AND SHIPPING |
| IRS990/OtherExpensesGrp/Desc | 1 | BANK FEES |
| IRS990/OtherExpensesGrp/Desc | 2 | MAINTENANCE, REPAIRS AN |
| IRS990/OtherExpensesGrp/Desc | 3 | LICENSES AND TAXES |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1300 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 82186 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 38535 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 3 | 17434 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 652454 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 339 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 653754 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 82186 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 38874 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 17434 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 1078658 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 730142 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 1663056 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 59406 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 1722462 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 782 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 141959 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 8053 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 150794 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 268421 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 9563 |
| IRS990/PrincipalOfficerNm | 0 | BETH ANDERSON |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | EDUCATIONAL MATERIAL USAGE |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | CONTRACT INCOME |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | WORKSHOP REVENUE |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 15756196 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 2179253 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 175914 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 15756196 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 2179253 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 175914 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 14600 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 455037 |
| IRS990/PYOtherExpensesAmt | 0 | 4405872 |
| IRS990/PYOtherRevenueAmt | 0 | 3496573 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 18169104 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 15955293 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 1774149 |
| IRS990/PYTotalExpensesAmt | 0 | 6180021 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 22135314 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 18137869 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 24545298 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 6733998 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 14237914 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus1YearAmt | 0 | 3000 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 3000 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 11421 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 14600 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 33101 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 27732 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 201077 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 287931 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 743415 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 455037 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 112865 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 55683 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 49332 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 1416332 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 27915651 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 23045673 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 11136998 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 7964823 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 4227963 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 74291108 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 743415 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 455037 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 112865 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 55683 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 49332 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 1416332 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.01860 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.01610 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 3351 |
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