Liabilities / Assets
21st percentile
Higher debt load relative to assets than 21% of similar nonprofits.
EIN 52-1413042 • 501(c)3 • Warrenton, VA
Profile
The clifton institute believes that a society may judge its success by the health of its citizens and the quality of its environment. The institute exists to promote, disseminate and cultivate knowledge and information concerning preventive medicine, health promotion and environmental studies. These fields encompass organized medicine as well as diet, nutrition, fitness, wellness, mental health and individual responsibility as key elements of an enriched quality of life. The institute supports ecological projects in the belief that all living systems are interdependent for their survival.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
21st percentile
Higher debt load relative to assets than 21% of similar nonprofits.
Liabilities / Revenue
38th percentile
Higher debt load relative to revenue than 38% of similar nonprofits.
Net Margin
51st percentile
Higher net margin than 51% of similar nonprofits.
Top Officer Pay
27th percentile
Higher top officer pay than 27% of similar nonprofits.
Top officer pay equals 5.6% of source-year revenue.
Asset Growth
61st percentile
Faster asset growth than 61% of similar nonprofits.
Revenue Growth
85th percentile
Faster revenue growth than 85% of similar nonprofits.
Assets
Up$7,674,046
Up $551,583 (+7.7%) from 2023
Liabilities
Up$90,516
Up $29,174 (+48%) from 2023
Net Assets
Up$7,583,530
Up $522,409 (+7.4%) from 2023
Revenue
Up$1,027,209
Up $361,448 (+54%) from 2023
Expenses
Down$978,690
Down $16,406 (-1.6%) from 2023
Net Income
Up$48,519
Up $377,854 (+115%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
Our mission is to inspire a deeper understanding and appreciation of nature, to study the ecology of our region, and to restore habitat, and to conserve native biodiversity. We fulfill our mission by providing environmental education to people of all ages, carrying out ecological research, and restoring habitat for native plants and animals. Our 900-acre property, under permanent protection with a conservation easement in central fauquier county virginia, provides beautiful and easily accessible environment for our programs.
Our mission is to inspire a deeper understanding and appreciation of nature, to study the ecology of our region, to restore habitat, and to conserve native biodiversity. We fulfill our mission by providing environmental education to people of all ages, carrying out ecological research, and restoring habitat for native plants and animals. Our 900-acre field station in central fauquier county virginia, which includes forests, grasslands, shrub fields, and wetlands, provides a beautiful and easily accessible location for our programs and is permanently protected under a conservation easement.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $4,453,060 | $4,421,075 | ▼ $31,985 |
| Investments in Publicly Traded Securities | $2,141,094 | $2,587,943 | ▲ $446,849 |
| Cash and Non-Interest-Bearing Accounts | $189,169 | $425,323 | ▲ $236,154 |
| Pledges and Grants Receivable | - | $69,471 | - |
| Accounts Receivable | $47,282 | - | - |
| Savings and Temporary Cash Investments | $79,034 | $11,274 | ▼ $67,760 |
| Prepaid Expenses and Deferred Charges | $60,387 | $7,811 | ▼ $52,576 |
| Inventories for Sale or Use | $1,288 | - | - |
| Total Assets | $7,122,463 | $7,674,046 | ▲ $551,583 |
| Other Assets Total | $151,149 | $151,149 | → $0 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $56,384 | $89,002 | ▲ $32,618 |
| Deferred Revenue | $4,958 | $1,514 | ▼ $3,444 |
| Total Liabilities | $61,342 | $90,516 | ▲ $29,174 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $7,004,796 | $7,432,405 | ▲ $427,609 |
| Net Assets With Donor Restrictions | $56,325 | $151,125 | ▲ $94,800 |
| Total Net Assets Fund Balance | $7,061,121 | $7,583,530 | ▲ $522,409 |
| Total Liabilities and Net Assets / Fund Balance | $7,122,463 | $7,674,046 | ▲ $551,583 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Land | $3,617,353 | - | $3,617,353 |
| Buildings | $803,722 | $639,256 | $1,442,978 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $2,220,129 | - | ▲ $557,410 | $-165,039 | $2,599,218 |
| 2023 | $2,003,193 | - | ▲ $363,746 | $-134,645 | $2,220,129 |
| 2022 | $2,751,563 | - | ▼ $600,741 | $-134,430 | $2,003,193 |
| 2021 | $2,630,143 | - | ▲ $276,445 | $-140,000 | $2,751,563 |
| 2020 | $2,560,988 | - | ▲ $221,126 | $-140,000 | $2,630,143 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Eleanor R Harris Ph D | Co- Director | FT | $53,999 | $3,344 | $57,343 |
| J Berton Harris Phd | Co- Director | FT | $53,930 | $3,344 | $57,274 |
| Name | Title |
|---|---|
| Douglas Larson | President |
| Anne Douglas Atherton | Director |
| Charles G Mackall Jr | Director |
| Hans Wachtmeister | Director |
| Jocelyn L Alexander Med | Director |
| Marcia Marsh | Director |
| Margrete Stevens | Director |
| Nancy Raines | Director |
| Victoria Stack | Director |
| Barbara Heller | Secretary |
| Mark Debord | Treasurer |
| G Robert Lee | Vice Preside |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $597,904 |
| Other Expenses | $308,203 |
| Grants and Similar Amounts Paid | $72,583 |
| Total Fundraising Expense | $62,995 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $350,720 | $41,356 | $8,446 | $400,522 |
| Current Officers, Directors, Trustees, and Key Employees | $76,078 | $7,555 | $24,296 | $107,929 |
| Grants to Domestic Orgs | $72,583 | - | - | $72,583 |
| Depreciation Depletion | $42,932 | $6,872 | $3,393 | $53,197 |
| Payroll Taxes | $32,068 | $3,667 | $2,456 | $38,191 |
| Other Employee Benefits | $27,793 | $3,185 | $2,133 | $33,111 |
| Insurance | $20,644 | $5,322 | $1,631 | $27,597 |
| Office Expenses | $893 | $9,951 | $10,763 | $21,607 |
| Travel | $20,811 | $294 | $63 | $21,168 |
| Fees for Services Other | $14,052 | $5,995 | $697 | $20,744 |
| Fees for Services Accounting | - | $18,325 | - | $18,325 |
| Pension Plan Contributions | $15,236 | $1,746 | $1,169 | $18,151 |
| Fees for Service Investment Mgmnt Fees | - | $13,282 | - | $13,282 |
| All Other Expenses | $4,346 | $7,759 | $188 | $12,293 |
| Information Technology | $3,688 | $2,629 | $3,917 | $10,234 |
| Occupancy | $8,291 | $949 | $635 | $9,875 |
| Other Expenses | $6,708 | $769 | $515 | $7,992 |
| Conferences and Meetings | $250 | $575 | $1,611 | $2,436 |
| Total Functional Expenses | $780,158 | $135,537 | $62,995 | $978,690 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| Smithsonian Institution | Chicago, IL | - | Va Box Turtle Conser | $56,058 |
| Virginia State University | Vsu, VA | - | Native Seed Project | $16,525 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Dr. Berton harris dr. Eleanor harris exec dir managing dir spouse”
“NO COMMITTEE”
“A draft of form 990 will be emailed to all members of the governing body before filing.”
“The executive and managing directors, in consultation with the board president, monitor compliance with the conflict of interest policy, which requires all interested persons to file a disclosure statement at least annually.”
“Review by the board of directors”
“The entire board determined compensation for its co-directors based on knowledge of comparable compensation information of other not-for-profit organizations of similar size in the area”
“The organization's governing documents, policies and financial statements are made available to the public upon written request. The organization's financial statements are also available on the organization's website.”
“Our mission is to inspire a deeper understanding and appreciation of nature, to study the ecology of our region, to restore habitat, and to conserve native biodiversity. We fulfill our mission by providing environmental education to people of all ages, carrying out ecological research, and restoring habitat for native plants and animals. Our 900-acre field station in central fauquier county virginia, which includes forests, grasslands, shrub fields, and wetlands, provides a beautiful and easily accessible location for our programs and is permanently protected under a conservation easement.”
“The organization intends to use the funds to provide a predictable stream of funding for operations.”
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 | true |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 56384 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 89002 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 47282 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | OUR MISSION IS TO INSPIRE A DEEPER UNDERSTANDING AND APPRECIATION OF NATURE, TO STUDY THE ECOLOGY OF OUR REGION, TO RESTORE HABITAT, AND TO CONSERVE NATIVE BIODIVERSITY. WE FULFILL OUR MISSION BY PROVIDING ENVIRONMENTAL EDUCATION TO PEOPLE OF ALL AGES, CARRYING OUT ECOLOGICAL RESEARCH, AND RESTORING HABITAT FOR NATIVE PLANTS AND ANIMALS. OUR 900-ACRE FIELD STATION IN CENTRAL FAUQUIER COUNTY VIRGINIA, WHICH INCLUDES FORESTS, GRASSLANDS, SHRUB FIELDS, AND WETLANDS, PROVIDES A BEAUTIFUL AND EASILY ACCESSIBLE LOCATION FOR OUR PROGRAMS AND IS PERMANENTLY PROTECTED UNDER A CONSERVATION EASEMENT. |
| IRS990/AllOtherContributionsAmt | 0 | 837302 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 188 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 7759 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 4346 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 12293 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | false |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | FELIECIA BROOKS |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5403413651 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 6712 BLANTYRE ROAD |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine2Txt | 0 | 6712 BLANTYRE ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WARRENTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | VA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20187 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 189169 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 425323 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 24296 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 7555 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 76078 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 107929 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 1611 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 575 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 250 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 2436 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 903992 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 72583 |
| IRS990/CYInvestmentIncomeAmt | 0 | 82414 |
| IRS990/CYOtherExpensesAmt | 0 | 308203 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 40803 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 48519 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 597904 |
| IRS990/CYTotalExpensesAmt | 0 | 978690 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 62995 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1027209 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 4958 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 1514 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 3393 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 6872 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 42932 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 53197 |
| IRS990/Desc | 0 | EDUCATION. WE PROVIDE ENVIRONMENTAL EDUCATION PROGRAMS TO SHOWCASE THE INCREDIBLE PLANTS AND ANIMALS THAT LIVE IN VIRGINIA, TO TEACH PEOPLE HOW TO DO SCIENCE, AND TO INSPIRE THEM TO TAKE CARE OF NATURE. IN 2024, WE PROVIDED 196 EDUCATIONAL PROGRAMS FOR 2,737 CHILDREN AND 1,524 ADULTS. IN 2024, WE STARTED A NEW LAND-MANAGEMENT EXPERIMENT, LAWN LAB, ON THE CAMPUS OF LOCAL PUBLIC SCHOOLS IN SOUTHERN FAUQUIER COUNTY TO BRING THE KIND OF CONSERVATION BIOLOGY RESEARCH WE DO TO A SCHOOL WHERE STUDENTS CAN PARTICIPATE. IN 2024, WE ALSO HOSTED SEVEN HIGH SCHOOL AND COLLEGE INTERNS AT OUR FIELD STATION TO GIVE THEM EXPERIENCE WITH CONSERVATION BIOLOGY AND ENVIRONMENTAL EDUCATION. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonatedServicesAndUseFcltsAmt | 0 | -8100 |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 56325 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 151125 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | true |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 21 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 220888 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 18325 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 18325 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 697 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 5995 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 14052 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 20744 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 13282 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 13282 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.00 |
| 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 | 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 | 3344 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 3344 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | DOUGLAS LARSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | G ROBERT LEE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | BARBARA HELLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | MARK DEBORD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JOCELYN L ALEXANDER MED |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ANNE DOUGLAS ATHERTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | CHARLES G MACKALL JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | MARCIA MARSH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | NANCY RAINES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | VICTORIA STACK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | MARGRETE STEVENS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | HANS WACHTMEISTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | J BERTON HARRIS PHD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | ELEANOR R HARRIS PH D |
| 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 | 53930 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 53999 |
| 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/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| 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 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | CO- DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | CO- DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1985 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 1239 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 12 |
| IRS990/GovernmentGrantsAmt | 0 | 66690 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 72583 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 72583 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 1210096 |
| IRS990/GrossReceiptsAmt | 0 | 2236066 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 12 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 3917 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 2629 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 3688 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 10234 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 1631 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 5322 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 20644 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 27597 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 1288 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 81175 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 81175 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 2141094 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 2587943 |
| IRS990/IRPDocumentCnt | 0 | 6 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 639256 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 4453060 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 4421075 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 5060331 |
| IRS990/LegalDomicileStateCd | 0 | VA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 1208857 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | false |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | OUR MISSION IS TO INSPIRE A DEEPER UNDERSTANDING AND APPRECIATION OF NATURE, TO STUDY THE ECOLOGY OF OUR REGION, TO RESTORE HABITAT, AND TO CONSERVE NATIVE BIODIVERSITY. WE FULFILL OUR MISSION BY PROVIDING ENVIRONMENTAL EDUCATION TO PEOPLE OF ALL AGES, CARRYING OUT ECOLOGICAL RESEARCH, AND RESTORING HABITAT FOR NATIVE PLANTS AND ANIMALS. OUR 900-ACRE FIELD STATION IN CENTRAL FAUQUIER COUNTY VIRGINIA, WHICH INCLUDES FORESTS, GRASSLANDS, SHRUB FIELDS, AND WETLANDS, PROVIDES A BEAUTIFUL AND EASILY ACCESSIBLE LOCATION FOR OUR PROGRAMS AND IS PERMANENTLY PROTECTED UNDER A CONSERVATION EASEMENT. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 7061121 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 7583530 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 1239 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 1239 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 481990 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 7004796 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 7432405 |
| IRS990/NoncashContributionsAmt | 0 | 8100 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 635 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 949 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 8291 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 9875 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 10763 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 9951 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 893 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 21607 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 151149 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 151149 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 2133 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 3185 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 27793 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 33111 |
| IRS990/OtherExpensesGrp/Desc | 0 | REPAIRS AND MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 1 | SUPPLIES |
| IRS990/OtherExpensesGrp/Desc | 2 | COMMUNICATIONS |
| IRS990/OtherExpensesGrp/Desc | 3 | SANITATION |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 954 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 128 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 515 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 3595 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 948 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 763 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 3 | 769 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 36744 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 33843 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 12478 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 6708 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 41293 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 34919 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 13241 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 7992 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 8446 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 41356 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 350720 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 400522 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 2456 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 3667 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 32068 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 38191 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 1169 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 1746 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 15236 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 18151 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 69471 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 60387 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 7811 |
| IRS990/PrincipalOfficerNm | 0 | DOUGLAS LARSON |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | EDUCATIONAL PROGRAMS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 40803 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 40803 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | RESTORATION. IN 2024, THROUGH OUR LANDOWNER OUTREACH PROGRAM, WE CONTINUED TO PROVIDE FREE AND PERSONALIZED ADVICE TO LANDOWNERS IN SIX VIRGINIA COUNTIES ABOUT HOW TO MANAGE INVASIVE SPECIES, ESTABLISH NATIVE PLANTS, AND SUPPORT WILDLIFE. OUR MANAGEMENT OF OUR 900-ACRE FIELD STATION SERVES AS A DEMONSTRATION TO THE THOUSANDS OF PEOPLE THAT VISIT US EVERY YEAR. IN 2024, WE MANAGED 44 ACRES OF GRASSLANDS AND SHRUBLANDS WITH PRESCRIBED BURNS. WE CLEARED 10 ACRES OF SHRUBLANDS OF INVASIVE SPECIES AND, WE CONTROLLED 10 ACRES OF WAVYLEAF BASKETGRASS IN OUR FORESTS. IN 2024, WE ENROLLED OUR EIGHTH FARMER IN THE VIRGINIA NATIVE SEED PROJECT, A PARTNERSHIP FORMED TO JUMPSTART THE NATIVE SEED INDUSTRY IN THE STATE. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 283542 |
| IRS990/ProgSrvcAccomActy2Grp/GrantAmt | 0 | 16525 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 10361 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | RESEARCH. WE DO RESEARCH THAT HELPS US UNDERSTAND HOW LAND MANAGEMENT DECISIONS AFFECT DECLINING NATIVE SPECIES. AND THEN WE MAKE SURE THAT WHAT WE LEARN FROM OUR RESEARCH GETS BACK INTO THE HANDS OF THE PEOPLE WHO CAN USE IT. FOR THE LAST FEW YEARS, WE HAVE BEEN STUDYING AMERICAN KESTRELS AND EASTERN BOX TURTLES TO FIGURE OUT HOW TO MANAGE HABITAT FOR THESE CHARISMATIC SPECIES. WE HAVE ALSO BEEN STUDYING NATIVE GRASSLANDS TO LEARN ABOUT THE CONSERVATION STATUS OF THESE HABITATS AND COME UP WITH STRATEGIES TO RESTORE THEM. IN 2024, 12 RESEARCH TECHNICIANS AND INTERNS TRACKED 19 AMERICAN KESTRELS AND 11 BOX TURTLES FROM SPRING THROUGH FALL. WE PUBLISHED 2 PEER-REVIEWED PAPERS ABOUT OUR RESEARCH PROJECTS AND WE GAVE 5 PRESENTATIONS AND WORKSHOPS ABOUT OUR RESULTS. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 275728 |
| IRS990/ProgSrvcAccomActy3Grp/GrantAmt | 0 | 56058 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 683729 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 89645 |
| IRS990/PYInvestmentIncomeAmt | 0 | -65125 |
| IRS990/PYOtherExpensesAmt | 0 | 344335 |
| IRS990/PYOtherRevenueAmt | 0 | 3250 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 43907 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -329335 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 561116 |
| IRS990/PYTotalExpensesAmt | 0 | 995096 |
| IRS990/PYTotalRevenueAmt | 0 | 665761 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 48519 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 31271 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 79034 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 11274 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 903992 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 683729 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 579838 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 608543 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 334452 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 3110554 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 81175 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 58779 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 65838 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 115107 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 74896 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 395795 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 212570 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.77130 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.70850 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 2704404 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 406150 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 903992 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 683729 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 579838 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 608543 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 334452 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 3110554 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 3506349 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/BoardDesignatedBalanceEOYPct | 0 | 1.00000 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 803722 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 639256 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 1442978 |
| IRS990ScheduleD/CYEndwmtFundGrp/AdministrativeExpensesAmt | 0 | -13282 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 2220129 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 2599218 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 557410 |
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