Liabilities / Assets
41st percentile
Higher debt load relative to assets than 41% of similar nonprofits.
990 • Fiscal year 2021 • EIN 36-6162709
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
41st percentile
Higher debt load relative to assets than 41% of similar nonprofits.
Liabilities / Revenue
81st percentile
Higher debt load relative to revenue than 81% of similar nonprofits.
Net Margin
94th percentile
Higher net margin than 94% of similar nonprofits.
Top Officer Pay
10th percentile
Higher top officer pay than 10% of similar nonprofits.
Top officer pay equals 1.7% of source-year revenue.
Asset Growth
66th percentile
Faster asset growth than 66% of similar nonprofits.
Revenue Growth
73rd percentile
Faster revenue growth than 73% of similar nonprofits.
Assets
Up$62,218,950
Up $9,553,921 (+18%) from 2020
Net Assets
Up$51,880,129
Up $9,248,764 (+22%) from 2020
Liabilities
Up$10,338,821
Up $305,157 (+3.0%) from 2020
Revenue
Up$6,874,029
Up $1,726,435 (+34%) from 2020
Expenses
Down$1,965,909
Down $324,802 (-14%) from 2020
Net Income
Up$4,908,120
Up $2,051,237 (+72%) from 2020
Since its establishment in 1967, the association has acquired, preserved and maintained over 800 acres of local native landscapes including prairies, savannas, ravines, woodlands and wetlands for the benefit and enjoyment of the entire community. We continue our efforts to restore the land to its historical landscape and maintain these critical habitats. In addition, to promote a connection between the community and the land within it, our preserves are home to over 12 miles of walking trails that are open to the public year round.the association also provides naturalist-led environmental education to school children and special workshops to children, adults and families. Our environmental education programs are designed to develop an understanding of and a love and respect for the natural world around us by including hands-on, participatory activities in a natural setting. The association also promotes the scientific study of our preserves.
The preservation and maintenance of open lands, to promote a connection between the community and the land within and to provide naturalist-led environmental education to school children and special workshops to children, adults and families.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $36,510,998 | $36,192,947 | ▼ $318,051 |
| Investments Other Securities | $9,941,887 | $16,379,733 | ▲ $6,437,846 |
| Cash and Non-Interest-Bearing Accounts | $1,184,685 | $4,440,181 | ▲ $3,255,496 |
| Pledges and Grants Receivable | $2,572,712 | $2,352,380 | ▼ $220,332 |
| Savings and Temporary Cash Investments | $1,068,611 | $1,149,477 | ▲ $80,866 |
| Other Notes and Loans Receivable, Net | $772,565 | $898,563 | ▲ $125,998 |
| Prepaid Expenses and Deferred Charges | $28,133 | $35,619 | ▲ $7,486 |
| Accounts Receivable | $92,938 | $27,550 | ▼ $65,388 |
| Total Assets | $52,665,029 | $62,218,950 | ▲ $9,553,921 |
| Other Assets Total | $492,500 | $742,500 | ▲ $250,000 |
| Liabilities | |||
| Tax Exempt Bond Liabilities | $9,923,074 | $9,928,844 | ▲ $5,770 |
| Other Liabilities | $0 | $203,885 | ▲ $203,885 |
| Accounts Payable and Accrued Expenses | $85,569 | $151,606 | ▲ $66,037 |
| Deferred Revenue | $25,021 | $54,486 | ▲ $29,465 |
| Total Liabilities | $10,033,664 | $10,338,821 | ▲ $305,157 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $28,004,869 | $36,353,167 | ▲ $8,348,298 |
| Net Assets With Donor Restrictions | $14,626,496 | $15,526,962 | ▲ $900,466 |
| Total Net Assets Fund Balance | $42,631,365 | $51,880,129 | ▲ $9,248,764 |
| Total Liabilities and Net Assets / Fund Balance | $52,665,029 | $62,218,950 | ▲ $9,553,921 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Land | $34,026,247 | - | $34,026,247 |
| Other Land Buildings | $2,138,043 | $1,997,162 | $4,135,205 |
| Equipment | $28,657 | $663,084 | $691,741 |
| Other Securities | $14,319,319 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2020 | $15,002,627 | $3,941,501 | - | $304,954 | $18,639,174 |
| 2019 | $13,165,717 | $2,212,679 | - | $375,769 | $15,002,627 |
| 2018 | $11,455,196 | $1,989,874 | - | $279,353 | $13,165,717 |
| 2017 | $10,586,335 | $1,162,870 | - | $294,009 | $11,455,196 |
| 2016 | $10,742,355 | $355,684 | - | $511,704 | $10,586,335 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| John W Sentell | President | FT | $104,110 | $13,029 | $117,139 |
| Name | Title |
|---|---|
| Frederick G Wacker Iii | Chairman |
| Bruce a Reid | Vice President |
| Steven H Baer | Vice President & Treasurer |
| Brett L Paschke | Director |
| Dave Gaspar | Director |
| Gail T Hodges | Director |
| Katherine Belcher | Director |
| Kim Madden | Director |
| Margaret Kelly | Director |
| Marie Woods | Director |
| Mark T Ahern | Director |
| Melissa Goltra | Director |
| Steven D Barnhart | Director |
| Timm R Reynolds | Director |
| George M Covington | Secretary |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Works of Art | 5 | $250,000 | Appraisal |
| Securities Publicly Traded | - | $151,452 | Fair Market Value |
| Other Non Cash Contri Table | 3 | $31,800 | Fair Market Value |
| Other Non Cash Contri Table | 15 | $15,358 | Fair Market Value |
| Total Noncash Contributions | 23 | $448,610 | - |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $1,038,640 |
| Other Expenses | $927,269 |
| Total Fundraising Expense | $349,774 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $609,913 | $66,008 | $164,706 | $840,627 |
| Interest | $284,839 | - | - | $284,839 |
| Depreciation Depletion | $94,135 | $2,477 | $2,477 | $99,089 |
| All Other Expenses | $55,949 | $8,481 | $8,132 | $72,562 |
| Current Officers, Directors, Trustees, and Key Employees | $36,439 | - | $31,233 | $67,672 |
| Other Employee Benefits | $46,963 | $4,796 | $14,236 | $65,995 |
| Payroll Taxes | $45,789 | $4,676 | $13,881 | $64,346 |
| Insurance | $34,461 | $7,491 | $2,996 | $44,948 |
| Other Expenses | $3,232 | $12,013 | $34,762 | $34,762 |
| Fees for Services Accounting | $18,200 | - | - | $18,200 |
| Fees for Services Legal | $9,333 | - | $1,776 | $11,109 |
| Occupancy | $6,300 | - | - | $6,300 |
| Total Functional Expenses | $1,510,193 | $105,942 | $349,774 | $1,965,909 |
| Line Item | Amount |
|---|---|
| Total Expenses per Audited Statements | $2,143,057 |
| Expenses per Audited Statements | $1,965,909 |
| Total Expenses per Form 990 | $1,965,909 |
| Expenses Not Reported on Form 990 | $177,148 |
| Expenses Not Reported on Financial Statements | $0 |
| Line Item | Amount |
|---|---|
| Fundraising Direct Expenses | $177,148 |
| Fundraising Gross Income | $33,639 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Cattails & Cocktails | $48,579 | - | $17,821 | - |
| Bagpipes and Bonfire | $231,778 | $33,640 | $93,903 | $-60,263 |
| Total Events | $351,081 | $33,640 | $177,148 | $-143,508 |
| Interested Party | Relationship | Description | Shared Revenue | Amount |
|---|---|---|---|---|
| George Covington | Member of the Board of Directors | Legal Services | No | $11,390 |
| Liability | Amount |
|---|---|
| Paycheck Protection Program Loan | $203,885 |
| Bond | Issuer | Issued | Issue Price | Purpose |
|---|---|---|---|---|
| A | Northern Trust | 2017-01-26 | $10,000,000 | Refunding and redeeming all of its series 1999 bonds |
| Bond | Total Proceeds | Spent | Retired | Issuance Costs |
|---|---|---|---|---|
| A | $10,000,000 | $10,000,000 | - | - |
“The board of directors has delegated the responsibility of the review and approval of the form 990 to the audit committee. The audit committee does a complete review of the form 990 with the cpa firm and approves the filing of the form 990. The chairman of the audit committee reports the committees procedures and approval process of the form 990 to the board of directors.”
“The board of directors and officers are required on an annual basis to submit a statement of their status regarding the conflict of interest policy.”
“The executive committee of the board of directors obtains comparative compensation reports for executive directors from the forefront organization. This information along with the analysis of the executive director's performance are the basis for determining the executive director's compensation.”
“Copies of the association's governing documents, conflict of interest policy and financial statements are available upon request at the association's offices for a nominal fee.”
“The oversight and selection process has not changed from the prior year.”
“The association recognizes revenue and records an asset based on the approximate market value of the easement at the time of contribution. As of march 31, 2021, the association had title or conservation easements to land in lake forest, illinois amounting to $34,026,247 of which $20,267,841 was acquired through purchase, $8,159,091 was received by contributions and $5,599,315 was transferred from a related party. The $8,159,091 of donated property noted above has been stated at amounts which approximate the market value of such property at the dates the individual parcels were contributed to the association. 1) the association held thirty easements consisting of approximately 290 acres at the end of the year. This was the same amount of easement's as the prior year. All easements are located in the state of illinois and primarily in the city of lake forest. 2) no easements were sold, transferred, released or terminated during the year covered by this form 990 schedule d. 3)a. The association does not hold any easements that encumber a golf course or portions of a golf course. B. The association does not hold any easements that are within or adjacent to residential developments and housing subdivisions, including easements related to the development of property. C. The association does not hold any easements that were acquired in a transaction described under purchase of real property from charitable organizations in notice 2004-41. 4) the association monitored all the acreage of its easements during the year covered by this form 990 schedule d through physical inspection and other means. 5) the total staff hours incurred for monitoring and enforcing new or existing easements during the year covered by this form 990 schedule d were 346 hours. The list of expenses incurred are as follows: easement monitoring $13,711 g&a costs $29,193 6) the association has one easement on a log cabin that was received in 1998. Therefore the association has not acquired an easement on buildings or structures after august 17, 2006.”
“The artistic collections consist of paintings, a sculpture and a stone ring. All artistic collections were donated. The artist collections are on display in the offices and on the grounds to provide inspiration and further our exempt purpose.”
“The endowment funds are to be used to further the mission of the organization.”
“The association is a not-for-profit entity as described in section 501(c)(3) of the internal revenue code and is exempt from federal income taxes on related income. It is also exempt from state income taxes for related income and qualifies for charitable contribution deductions in regard to its donors. The association would be subject to both federal and state taxes on unrelated business income, though it did not have any for the years ending march 31, 2021 and 2020. As of march 31, 2021 and 2020, the association did not have any uncertain tax positions that it is obligated to disclose. Additionally, there were no returns under review or open to review by taxing authorities in excess of statutory periods. The association follows a conservative approach of research and open disclosure in regard to its tax-exempt status and positions held.”
“Special events income shown gross on audited f/s, shown net on form 990 177,148.”
“Special events expenses shown gross on audited f/s, netted on form 990 177,148.”
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 | 85569 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 151606 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 92938 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 27550 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | THE PRESERVATION AND MAINTENANCE OF OPEN LANDS, TO PROMOTE A CONNECTION BETWEEN THE COMMUNITY AND THE LAND WITHIN AND TO PROVIDE NATURALIST-LED ENVIRONMENTAL EDUCATION TO SCHOOL CHILDREN AND SPECIAL WORKSHOPS TO CHILDREN, ADULTS AND FAMILIES. |
| IRS990/AllOtherContributionsAmt | 0 | 4973350 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 8132 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 8481 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 55949 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 72562 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | JOHN HEMENWAY |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 8472343880 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 350 NORTH WAUKEGAN ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | LAKE FOREST |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 60045 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 1 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 1184685 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 4440181 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 1 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 31233 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 36439 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 67672 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 1 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContriRptFundraisingEventAmt | 0 | 317442 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 5706205 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1227863 |
| IRS990/CYOtherExpensesAmt | 0 | 927269 |
| IRS990/CYOtherRevenueAmt | 0 | -142609 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 82570 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 4908120 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 1038640 |
| IRS990/CYTotalExpensesAmt | 0 | 1965909 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 349774 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 6874029 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 1 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 25021 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 54486 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 2477 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 2477 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 94135 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 99089 |
| IRS990/Desc | 0 | PRESERVATION AND MAINTENANCE OF OPEN LANDS FOR SCIENTIFIC AND EDUCATIONAL PURPOSES - PUBLIC HAS ACCESS TO THE LAND |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 14626496 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 15526962 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 27 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 1080417 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 18200 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 18200 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 1776 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 9333 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 11109 |
| 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 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 40.00 |
| 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/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/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 13029 |
| 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 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MARK T AHERN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | TIMM R REYNOLDS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JOHN W SENTELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | GEORGE M COVINGTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | GAIL T HODGES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | BRUCE A REID |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | FREDERICK G WACKER III |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | KATHERINE BELCHER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | STEVEN H BAER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | STEVEN D BARNHART |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | DAVE GASPAR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | MELISSA GOLTRA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | BRETT L PASCHKE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | MARGARET KELLY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | KIM MADDEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | MARIE WOODS |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 104110 |
| 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/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/TitleTxt | 0 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | VICE PRESIDENT & TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1967 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 317442 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 177148 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 33639 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 99464 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 994767 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 16 |
| IRS990/GovernmentGrantsAmt | 0 | 196203 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 450000 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 6406370 |
| IRS990/GrossReceiptsAmt | 0 | 12813316 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 900 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 15 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 2996 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 7491 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 34461 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 44948 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 284839 |
| IRS990/InterestGrp/TotalAmt | 0 | 284839 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 133632 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 133632 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 9941887 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 16379733 |
| IRS990/InvestTaxExemptBondsInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 1 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 2660246 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 36510998 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 36192947 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 38853193 |
| IRS990/LegalDomicileStateCd | 0 | IL |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 350536 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 5411603 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 1 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembershipDuesAmt | 0 | 219210 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | SINCE ITS ESTABLISHMENT IN 1967, THE ASSOCIATION HAS ACQUIRED, PRESERVED AND MAINTAINED OVER 800 ACRES OF LOCAL NATIVE LANDSCAPES INCLUDING PRAIRIES, SAVANNAS, RAVINES, WOODLANDS AND WETLANDS FOR THE BENEFIT AND ENJOYMENT OF THE ENTIRE COMMUNITY. WE CONTINUE OUR EFFORTS TO RESTORE THE LAND TO ITS HISTORICAL LANDSCAPE AND MAINTAIN THESE CRITICAL HABITATS. IN ADDITION, TO PROMOTE A CONNECTION BETWEEN THE COMMUNITY AND THE LAND WITHIN IT, OUR PRESERVES ARE HOME TO OVER 12 MILES OF WALKING TRAILS WHICH ARE OPEN TO THE PUBLIC YEAR ROUND.THE ASSOCIATION ALSO PROVIDES NATURALIST-LED ENVIRONMENTAL EDUCATION TO SCHOOL CHILDREN AND SPECIAL WORKSHOPS OFFERED TO CHILDREN, ADULTS AND FAMILIES. OUR ENVIRONMENTAL EDUCATION PROGRAMS ARE DESIGNED TO DEVELOP AN UNDERSTANDING OF AND A LOVE AND RESPECT FOR THE NATURAL WORLD AROUND US BY INCLUDING HANDS-ON, PARTICIPATORY ACTIVITIES IN A NATURAL SETTING. ASSOCIATION ALSO COOPERATES WITH SEVERAL INSTITUTIONS PROMOTE THE SCIENTIFIC STUDY OF OUR PRESERVES. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 42631365 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 51880129 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 1094231 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 1094231 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | -143509 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -143509 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 900 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 900 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 4340644 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 28004869 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 36353167 |
| IRS990/NoncashContributionsAmt | 0 | 448610 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 6300 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 6300 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OnBehalfOfIssuerInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 492500 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 742500 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 14236 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 4796 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 46963 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 65995 |
| IRS990/OtherExpensesGrp/Desc | 0 | LAND MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 1 | MISCELLANEOUS |
| IRS990/OtherExpensesGrp/Desc | 2 | NEWSLETTER & ANNUAL REP |
| IRS990/OtherExpensesGrp/Desc | 3 | ENDOWMENT |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 24027 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 51548 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 34762 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 12013 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 228601 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 36039 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 3232 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 228601 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 72079 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 54780 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 34762 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 203885 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 164706 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 66008 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 609913 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 840627 |
| IRS990/OthNotesLoansReceivableNetGrp/BOYAmt | 0 | 772565 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 898563 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 13881 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 4676 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 45789 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 64346 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 2572712 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 2352380 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 28133 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 35619 |
| IRS990/PrincipalOfficerNm | 0 | JOHN SENTELL |
| IRS990/ProfessionalFundraisingInd | 0 | 1 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | ASSESSMENT REVENUE |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | EDUCATIONAL PROGRAM FEE |
| IRS990/ProgramServiceRevenueGrp/ExclusionAmt | 0 | 70152 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 12418 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 70152 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 12418 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | PROVIDE NATURALIST - LED ENVIRONMENTAL EDUCATION TO SCHOOL CHILDREN AND SPECIAL WORKSHOPS FOR CHILDREN, ADULTS AND FAMILIES. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 429776 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 12418 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 4687130 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 515432 |
| IRS990/PYOtherExpensesAmt | 0 | 1099351 |
| IRS990/PYOtherRevenueAmt | 0 | -130784 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 75816 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 2856883 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 954960 |
| IRS990/PYTotalExpensesAmt | 0 | 2290711 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 236400 |
| IRS990/PYTotalRevenueAmt | 0 | 5147594 |
| IRS990/QuidProQuoContributionsInd | 0 | 1 |
| IRS990/QuidProQuoContriDisclInd | 0 | 1 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 4908120 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 900 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 1 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 1068611 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 1149477 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 5627718 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 4687130 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 5092884 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 2548357 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1542344 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 19498433 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 134532 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 256806 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 226819 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 207784 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 169471 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 995412 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 994756 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.76730 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.82310 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 15725025 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 3773408 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 5627718 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 4687130 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 5092884 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 2548357 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1542344 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 19498433 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 20493845 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
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Displayed year
2021 • Form 990Detailed filing. Detailed filing data is available for this year.