Liabilities / Assets
5th percentile
Higher debt load relative to assets than 5% of similar nonprofits.
EIN 52-6080752 • 501(c)3 • Washington, DC
Profile
Hillwood estate, museum & garden's (hillwood) mission is to share the renowned art collections, exceptional gardens and related public and educational programs with a wide and diverse audience. Since its opening, hillwood has served hundreds-of-thousands of visitors, including local and visiting members of the general public, families (traditional and non-traditional), curators and scholars, and pre-school through high school students.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
5th percentile
Higher debt load relative to assets than 5% of similar nonprofits.
Liabilities / Revenue
11th percentile
Higher debt load relative to revenue than 11% of similar nonprofits.
Net Margin
82nd percentile
Higher net margin than 82% of similar nonprofits.
Top Officer Pay
29th percentile
Higher top officer pay than 29% of similar nonprofits.
Top officer pay equals 2.5% of source-year revenue.
Asset Growth
66th percentile
Faster asset growth than 66% of similar nonprofits.
Revenue Growth
77th percentile
Faster revenue growth than 77% of similar nonprofits.
Assets
Up$391,458,945
Up $33,499,718 (+9.4%) from 2023
Liabilities
Up$1,776,083
Up $122,507 (+7.4%) from 2023
Net Assets
Up$389,682,862
Up $33,377,211 (+9.4%) from 2023
Revenue
Up$20,775,852
Up $3,761,639 (+22%) from 2023
Expenses
Up$16,098,192
Up $1,148,108 (+7.7%) from 2023
Net Income
Up$4,677,660
Up $2,613,531 (+127%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
Hillwood estate, museum & garden's (hillwood) mission is to share the renowned art collections, exceptional gardens and related public and educational programs with a wide and diverse audience. Since its opening, hillwood has served hundreds-of-thousands of visitors, including local and visiting members of the general public, families (traditional and non-traditional), curators and scholars, and pre-school through high school students.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments Other Securities | $337,324,240 | $372,458,317 | ▲ $35,134,077 |
| Land, Buildings, and Equipment, Net | $16,528,067 | $16,420,977 | ▼ $107,090 |
| Pledges and Grants Receivable | $1,067,005 | $1,062,017 | ▼ $4,988 |
| Savings and Temporary Cash Investments | $1,870,082 | $619,179 | ▼ $1,250,903 |
| Inventories for Sale or Use | $477,024 | $443,815 | ▼ $33,209 |
| Cash and Non-Interest-Bearing Accounts | $429,452 | $240,766 | ▼ $188,686 |
| Prepaid Expenses and Deferred Charges | $257,480 | $209,912 | ▼ $47,568 |
| Total Assets | $357,959,227 | $391,458,945 | ▲ $33,499,718 |
| Other Assets Total | $5,877 | $3,962 | ▼ $1,915 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $1,647,599 | $1,771,971 | ▲ $124,372 |
| Other Liabilities | $5,877 | $3,962 | ▼ $1,915 |
| Deferred Revenue | $100 | $150 | ▲ $50 |
| Total Liabilities | $1,653,576 | $1,776,083 | ▲ $122,507 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $355,861,269 | $388,782,989 | ▲ $32,921,720 |
| Net Assets With Donor Restrictions | $444,382 | $899,873 | ▲ $455,491 |
| Total Net Assets Fund Balance | $356,305,651 | $389,682,862 | ▲ $33,377,211 |
| Total Liabilities and Net Assets / Fund Balance | $357,959,227 | $391,458,945 | ▲ $33,499,718 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $8,426,595 | $35,558,468 | $43,985,063 |
| Land | $7,229,148 | - | $7,229,148 |
| Equipment | $475,111 | $4,132,314 | $4,607,425 |
| Other Land Buildings | $290,123 | - | $290,123 |
| Other Securities | $23,198,290 | - | - |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Kate Markert | Executive Director | FT | $398,828 | $121,793 | $520,621 |
| Ed Vreeland | Director of Operations and | FT | $172,581 | $28,251 | $200,832 |
| Lynn Rossotti | Director of External Affai | FT | $163,814 | $35,704 | $199,518 |
| Samantha Hernandez | Director of Human Resource | FT | $159,903 | $34,274 | $194,177 |
| Wilfried Zeisler | Chief Curator | FT | $174,231 | $15,552 | $189,783 |
| Douglas Rose | Director of Finance | FT | $148,474 | $5,179 | $153,653 |
| Jessica Bonilla | Director of Horticulture | FT | $109,887 | $34,024 | $143,911 |
| Moulaye Sy | Director of Finance | FT | $98,990 | $20,973 | $119,963 |
| Name | Title |
|---|---|
| Mary Emerson Slimp | President |
| Ellen Macneille Charles | President Emerita |
| Elizabeth Odom | First Vice President |
| Susan Bollendorf | Vice President |
| Alison Cady Martin | Trustee |
| Andrew Iverson | Trustee |
| Beth Newburger | Trustee |
| Donna Roberts | Trustee |
| Gail Berry West | Trustee |
| Joshua Hildreth | Trustee |
| Mark Lowham | Trustee |
| Michele Hartlove | Trustee |
| Nedenia C Rumbough | Trustee |
| Rick J Fernandez | Trustee |
| SARA O'KEEFE | Trustee |
| Sally E Chapoton | Trustee |
| Skip Sroka | Trustee |
| Sophie Ghezai | Trustee |
| Sophie Hawkins | Trustee |
| Stanley H Rumbough | Trustee |
| W Brett Rees | Trustee |
| Amy Meadows | Assistant Treasurer |
| Kathryn Vige Hicks | Secretary |
| Lucy S Rhame | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| The Whiting Turner Contracting Company | Construction Services | PO BOX 17596, Baltimore, MD 21297 | $424,680 |
| Aka Nyc Limited | Advertising Services | 321 W 44TH STREET SUITE 401, New York City, NY 10036 | $405,210 |
| C&w Services | Janitorial Services | PO BOX 854002, Minneapolis, MN 55485 | $253,190 |
| Crossline Creations LLC | Design & Fabrications | 44258 MERCURE CIRCLE SUITE 103, Sterling, VA 20166 | $207,016 |
| Brown Advisory | Investment Consulting Services | 901 S BOND STREET SUITE 400, Baltimore, MD 21231 | $183,455 |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Securities Publicly Traded | 12 | $131,403 | Fair Market Value (FMV) |
| Other Non Cash Contri Table | 66 | $81,606 | Fair Market Value (FMV) |
| Total Noncash Contributions | 78 | $213,009 | - |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $9,277,067 |
| Other Expenses | $6,821,125 |
| Total Fundraising Expense | $1,105,716 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $4,728,238 | $1,444,035 | $441,410 | $6,613,683 |
| Depreciation Depletion | $1,586,285 | $91,230 | - | $1,677,515 |
| Occupancy | $1,124,881 | $33,190 | $3,577 | $1,161,648 |
| Office Expenses | $881,487 | $70,807 | $127,096 | $1,079,390 |
| Other Employee Benefits | $692,106 | $211,374 | $64,612 | $968,092 |
| Conferences and Meetings | $377,157 | $310,973 | $250,055 | $938,185 |
| Current Officers, Directors, Trustees, and Key Employees | $567,814 | $173,414 | $53,009 | $794,237 |
| Payroll Taxes | $406,356 | $124,104 | $37,936 | $568,396 |
| Advertising | $400,230 | - | - | $400,230 |
| Fees for Service Investment Mgmnt Fees | - | $360,150 | - | $360,150 |
| Pension Plan Contributions | $237,824 | $72,633 | $22,202 | $332,659 |
| Insurance | $260,031 | $59,683 | $621 | $320,335 |
| Information Technology | $147,996 | $87,567 | $34,140 | $269,703 |
| Travel | $54,748 | $28,454 | $19,838 | $103,040 |
| Fees for Services Accounting | $1,273 | $79,516 | $5,500 | $86,289 |
| Fees for Services Other | $49,343 | $3,961 | $9,698 | $63,002 |
| Other Expenses | $51,444 | $2,000 | $5,671 | $53,444 |
| All Other Expenses | $18,800 | $7,646 | $2,598 | $29,044 |
| Total Functional Expenses | $11,766,831 | $3,225,645 | $1,105,716 | $16,098,192 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $16,098,192 |
| Expenses per Audited Statements | $15,738,042 |
| Total Expenses per Audited Statements | $15,738,042 |
| Expenses Not Reported on Financial Statements | $360,150 |
| Expenses Not Reported on Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Fundraising Direct Expenses | $0 |
| Fundraising Gross Income | $0 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Gala | $492,399 | - | - | - |
| February 14th Event | $152,124 | - | - | - |
| Total Events | $644,523 | - | - | - |
| Liability | Amount |
|---|---|
| Right of Use Lease Liability | $3,962 |
“Hillwood estate, musuem & garden's (hillwood) mission is to share the renowned art collections, exceptional gardens and related public and educational programs with a wide and diverse audience. Since its opening, hillwood has served hundreds-of-thousands of visitors, including local and visiting members of the general public, families (traditional and non-traditional), curators and scholars, and pre-school through high school students.”
“Nedenia c rumbough and stanley h rumbough, trustees, have a family relationship. Ellen charles, george iverson and andrew iverson, trustees, have a family relationship.”
“The federal form 990 is prepared by an outside accounting firm. The draft return is reviewed by the director of finance and the audit committee and is made available to the board of directors prior to being finalized. If no corrections are noted, it is then filed with the internal revenue service.”
“Each trustee, committee members, officer, and senior staff are required to sign an annual conflict of interest disclosure statement, certifying an understanding of the policy and disclosing any known conflicts of interest. Hillwood conducts a periodic review of compensation and business arrangements for compliance with the policy. In conncection with any actual of possible conflict of interest, an interested person must disclose all material acts to the board or committee members considering the proposed transaction or arrangement. After disclosure of the financial interest and all material facts, and after discussion with the interested person, he or she shall leave the meeting during discussion of, and the vote on, the transaction or arrangement involving the possible conflict of interest. After exercising due diligence, the board or commitee shall determine whether hillwood can obtain a more advantageous transaction or arrangement from a person or entity that would not give rise to a conflict of interest. If a more advantageous transaction or arrangement is not reasonably possible under circumstances not producting a conflict of interest, the board or commitee shall determine by a majority vote of the disinterested trustees whether the transaction or arrangement is in hillwood's best interest, for its own benefit, and whether it is fair and reasonable. In conformity with the above determination, it shall make its decision as to whether to enter into the transaction or arrangement.”
“As an employer, hillwood believes that it is in the best interest of both the organization and its employees to fairly compensate its workforce for the value of the work provided. It is hillwood's intention to use a compensation system that will determine the current market value of a position based on the skills, knowledge and behaviors required of a fully competent incumbent. The system used will be objective and nondiscriminatory in theory, application and practice. Compensation criteria: the human resources director prices positions to market by using local, regional, and industry specific survey data. The market data primarily includes museums, non-profits and other similar institutions; includes survey data for more specialized positions (for example, information systems, marketing, human resources); and addresses any significant market differences due to geographical location. The system evaluates external equity, which is the relative marketplace job worth of every museum job directly comparable to similar jobs, factored for general economic marketplace. The system evaluates internal equity, which is the relative worth of each job in the company when comparing the required level of job competencies, formal training and experience, responsibility, and accountability of one job to another and arranging all jobs in a formal job structure. Responsibilities: as part of the annual budgeting process the board of directors reviews and approve, as appropriate, funds to be allocated for total compensation, which would include base salaries, bonus, variable based or incentive based pay and all other related expenses, including benefits plans as recommended by executive management. The board sets the position level, pay range and specific components of the total compensation package for the executive director. Management responsibility: the director of human resources is responsible and accountable to the board of directors. In that capacity they are charged with ensuring that hillwood is staffed with highly qualified, fully competent employees and that all compensation programs are administered.”
“The federal form 990 is made available to the public upon request.”
“Forms are available upon request.”
“The process didn't change from the prior year.”
“Hillwood acquired its collections primarily form the estate of marjorie merriweather post, though other items are acquired through gifts and purchases. All collections are held for public exhibition, education or research. Each of the items is catalogued, preserved and cared for, and activities verifying their existence and assessing their condition are continuously performed. The collections are not recognized as assets in the accompanying statement of financial position. Purchases of collection items are recorded as decreases in net assets without donor restrictions in the year in which the items are acquired or as decreases to net assets with donor restrictions if the assets used to purchase the items are restricted by donors. Contributed collection items are not reflected in the financial statements. Proceeds from de-accessions or insurance recoveries are reflected as increases in the appropriate net asset classes.”
“Hillwood was the home of the late collector/philanthropist majorie merriweather post. Following her death in 1973, the 25-acre estate, together with an internationally important collection of more than 16,000 works of art opened to the public in 1977. Hillwood's mission is to share its renowned art collections and related public and educational programs with a wide and diverse audience. Since its opening, hillwood has served hundreds -of -thousands of visitors, including local and visiting members of the general public, families (traditional and non-traditional), curators and scholars, and pre-school through high school students. For additional information regarding the collections, please refer to form 990, part iii, line 4b.”
“Hillwood reviews and assesses all activities annually to identify any changes in the scope of its activities and revenue sources and the tax treatment thereof to identify any uncertainty in income taxes. For the year ended december 31, 2024, management did not identify any uncertainty in income taxes requiring recognition or disclosure of these financial statements.”
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 | 1647599 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1771971 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | HILLWOOD ESTATE, MUSEUM & GARDEN'S (HILLWOOD) MISSION IS TO SHARE THE RENOWNED ART COLLECTIONS, EXCEPTIONAL GARDENS AND RELATED PUBLIC AND EDUCATIONAL PROGRAMS WITH A WIDE AND DIVERSE AUDIENCE. SINCE ITS OPENING, HILLWOOD HAS SERVED HUNDREDS-OF-THOUSANDS OF VISITORS, INCLUDING LOCAL AND VISITING MEMBERS OF THE GENERAL PUBLIC, FAMILIES (TRADITIONAL AND NON-TRADITIONAL), CURATORS AND SCHOLARS, AND PRE-SCHOOL THROUGH HIGH SCHOOL STUDENTS. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 400230 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 400230 |
| IRS990/AllOtherContributionsAmt | 0 | 883142 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 2598 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 7646 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 18800 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 29044 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | MOULAYE SY |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2026868500 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 4155 LINNEAN AVENUE NW |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20008 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 429452 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 240766 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 11 |
| IRS990/CollectionsOfArtInd | 0 | 1 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 53009 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 173414 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 567814 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 794237 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 250055 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 310973 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 377157 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 938185 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 424680 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 405210 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 253190 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 207016 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 183455 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | PO BOX 17596 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 321 W 44TH STREET SUITE 401 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | PO BOX 854002 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 44258 MERCURE CIRCLE SUITE 103 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 901 S BOND STREET SUITE 400 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | BALTIMORE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | NEW YORK CITY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | MINNEAPOLIS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | STERLING |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | BALTIMORE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | MN |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | VA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 21297 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 10036 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 55485 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 20166 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 21231 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | THE WHITING TURNER CONTRACTING COMPANY |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | AKA NYC LIMITED |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | C&W SERVICES |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | CROSSLINE CREATIONS LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | BROWN ADVISORY |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | CONSTRUCTION SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | ADVERTISING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | JANITORIAL SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | DESIGN & FABRICATIONS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | INVESTMENT CONSULTING SERVICES |
| IRS990/ContriRptFundraisingEventAmt | 0 | 644523 |
| IRS990/CostOfGoodsSoldAmt | 0 | 662903 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 2678834 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 16615529 |
| IRS990/CYOtherExpensesAmt | 0 | 6821125 |
| IRS990/CYOtherRevenueAmt | 0 | 373770 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 1107719 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 4677660 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 9277067 |
| IRS990/CYTotalExpensesAmt | 0 | 16098192 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 1105716 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 20775852 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 100 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 150 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 91230 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1586285 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1677515 |
| IRS990/Desc | 0 | PHYSICAL PLANT: HILLWOOD'S TWENTY-FIVE ACRE ESTATE COMPRISES TWELVE ACRES OF MANICURED GARDENS, INCLUDING A JAPANESE-STYLE GARDEN, A FRENCH PARTERRE, A ROSE GARDEN, PUTTING GREEN, CUTTING GARDEN, AND MANY PATHWAYS WINDING THROUGH AZALEAS AND OTHER BLOOMING SHRUBS, SURROUNDED BY THIRTEEN ACRES OF WOODLANDS. THE 26,000 SQUARE FOOT MANSION, OPEN TO THE PUBLIC, DISPLAYS POST'S EXTENSIVE ART COLLECTIONS IN THE ORIGINAL DOMESTIC SETTING SHE CREATED FOR HER OWN AND HER GUESTS' ENJOYMENT AND TO BE LEFT FOR THE BENEFIT OF THE PUBLIC AFTER HER DEMISE. OTHER BUILDINGS ON THE CAMPUS INCLUDE THE VISITORS CENTER, GREENHOUSES, CAFE, LIBRARY, TWO BUILDINGS WHERE SPECIAL EXHIBITS ARE SHOWN, AND NUMEROUS STAFF BUILDINGS. THERE ARE A TOTAL OF SIXTEEN STRUCTURES AND ONE PARKING DECK ON SITE. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 444382 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 899873 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 166 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 11766831 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/FundraisingAmt | 0 | 5500 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 79516 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 1273 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 86289 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 9698 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 3961 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 49343 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 63002 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 360150 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 360150 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 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 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 40.00 |
| 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/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/IndividualTrusteeOrDirectorInd | 20 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 21 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 22 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 23 | 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/OfficerInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 9 | 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 | 53393 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 5179 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 20973 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 27 | 35704 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 28 | 34274 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 29 | 15552 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 30 | 28251 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 31 | 34024 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | ELIZABETH ODOM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ELLEN MACNEILLE CHARLES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | AMY MEADOWS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | KATHRYN VIGE HICKS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | LUCY S RHAME |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | SKIP SROKA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | SALLY E CHAPOTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | SUSAN BOLLENDORF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | SOPHIE GHEZAI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | JOSHUA HILDRETH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | ANDREW IVERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | MARK LOWHAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | ALISON CADY MARTIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | BETH NEWBURGER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | SARA O'KEEFE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | W BRETT REES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | DONNA ROBERTS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | NEDENIA C RUMBOUGH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | STANLEY H RUMBOUGH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | RICK J FERNANDEZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | GAIL BERRY WEST |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | MARY EMERSON SLIMP |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | MICHELE HARTLOVE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | SOPHIE HAWKINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | KATE MARKERT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | DOUGLAS ROSE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | MOULAYE SY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 27 | LYNN ROSSOTTI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 28 | SAMANTHA HERNANDEZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 29 | WILFRIED ZEISLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 30 | ED VREELAND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 31 | JESSICA BONILLA |
| 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 | 467228 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 148474 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 98990 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 27 | 163814 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 28 | 159903 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 29 | 174231 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 30 | 172581 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 31 | 109887 |
| 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 | FIRST VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | PRESIDENT EMERITA |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | ASSISTANT TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TRUSTEE |
| 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/Form990PartVIISectionAGrp/TitleTxt | 18 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | EXECUTIVE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | DIRECTOR OF FINANCE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | DIRECTOR OF FINANCE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | DIRECTOR OF EXTERNAL AFFAI |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 28 | DIRECTOR OF HUMAN RESOURCE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 29 | CHIEF CURATOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 30 | DIRECTOR OF OPERATIONS AND |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 31 | DIRECTOR OF HORTICULTURE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 0 |
| IRS990/FormationYr | 0 | 1967 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 644523 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 0 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 8762493 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 24 |
| IRS990/GovernmentGrantsAmt | 0 | 341375 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 41881571 |
| IRS990/GrossReceiptsAmt | 0 | 54557833 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 1035829 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 24 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 8 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 34140 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 87567 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 147996 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 269703 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 621 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 59683 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 260031 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 320335 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 477024 |
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