Liabilities / Assets
3rd percentile
Higher debt load relative to assets than 3% of similar nonprofits.
EIN 26-2635896 • 501(c)3 • Flagstaff, AZ
Profile
To support the realization and stewardship of the Roden Crater project, including the protection and conservation of surrounding lands, dark skies, and viewshed.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
3rd percentile
Higher debt load relative to assets than 3% of similar nonprofits.
Liabilities / Revenue
4th percentile
Higher debt load relative to revenue than 4% of similar nonprofits.
Net Margin
99th percentile
Higher net margin than 99% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
90th percentile
Faster asset growth than 90% of similar nonprofits.
Revenue Growth
18th percentile
Faster revenue growth than 18% of similar nonprofits.
Assets
Down$108,680,553
Down $10,210,856 (-8.6%) from 2023
Liabilities
Up$13,094
Up $8,267 (+171%) from 2023
Net Assets
Down$108,667,459
Down $10,219,123 (-8.6%) from 2023
Revenue
Down$2,374,240
Down $9,036,325 (-79%) from 2023
Expenses
Up$12,593,365
Up $11,544,749 (+1101%) from 2023
Net Income
Down-$10,219,125
Down $20,581,074 (-199%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
To provide information to the general public regarding the artistic project known as Roden Crater being designed and constructed by artist James Turrell.
To support the realization and stewardship of the Roden Crater project, including the protection and conservation of surrounding lands, dark skies, and viewshed.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | $118,886,582 | $108,667,459 | ▼ $10,219,123 |
| Land, Buildings, and Equipment, Net | $39,302,923 | $66,323,589 | ▲ $27,020,666 |
| Savings and Temporary Cash Investments | $48,224,214 | $37,512,897 | ▼ $10,711,317 |
| Cash and Non-Interest-Bearing Accounts | $205,193 | $163,372 | ▼ $41,821 |
| Accounts Receivable | $1,069 | $0 | ▼ $1,069 |
| Other Notes and Loans Receivable, Net | - | $0 | - |
| Pledges and Grants Receivable | - | $0 | - |
| Receivable From Disqualified Prsn | - | $0 | - |
| Receivables From Officers Etc | - | $0 | - |
| Investments Other Securities | - | $0 | - |
| Investments Program Related | - | $0 | - |
| Investments in Publicly Traded Securities | - | $0 | - |
| Intangible Assets | - | $0 | - |
| Inventories for Sale or Use | - | $0 | - |
| Prepaid Expenses and Deferred Charges | - | $0 | - |
| Total Assets | $118,891,409 | $108,680,553 | ▼ $10,210,856 |
| Other Assets Total | $31,158,010 | $4,680,695 | ▼ $26,477,315 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $4,827 | $13,094 | ▲ $8,267 |
| Total Liabilities | $4,827 | $13,094 | ▲ $8,267 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $118,886,582 | $108,667,459 | ▼ $10,219,123 |
| Total Liabilities and Net Assets / Fund Balance | $118,891,409 | $108,680,553 | ▼ $10,210,856 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Leasehold Improvements | $33,363,867 | $2,830,746 | $36,194,613 |
| Land | $31,356,041 | - | $31,356,041 |
| Buildings | $1,377,593 | $197,877 | $1,575,470 |
| Equipment | $120,361 | $199,193 | $319,554 |
| Other Land Buildings | $105,727 | $62,431 | $168,158 |
| Name | Title |
|---|---|
| James A Turrell | President |
| Michael Govan | Vice President |
| Richard Andrews | Secretary |
| Kyung-Lim Lee Turrell | Treasurer |
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $10,693,856 |
| Other Expenses | $1,742,053 |
| Salaries, Compensation, and Employee Benefits | $157,456 |
| Total Fundraising Expense | $15,351 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $10,693,856 | - | - | $10,693,856 |
| Depreciation Depletion | $1,471,421 | $96,414 | - | $1,567,835 |
| Other Salaries and Wages | $97,625 | $19,614 | $7,934 | $125,173 |
| Fees for Services Accounting | - | $54,508 | - | $54,508 |
| Occupancy | $35,543 | $7,079 | - | $42,622 |
| Travel | $18,285 | - | - | $18,285 |
| Other Employee Benefits | $12,774 | $2,566 | $1,038 | $16,378 |
| Payroll Taxes | $12,405 | $2,492 | $1,008 | $15,905 |
| Fees for Services Other | - | $11,383 | - | $11,383 |
| Insurance | - | $9,715 | - | $9,715 |
| Office Expenses | $3,960 | $4,676 | - | $8,636 |
| Other Expenses | $5,259 | $7,703 | $5,371 | $5,259 |
| Fees for Services Legal | $2,608 | - | - | $2,608 |
| Total Functional Expenses | $12,353,736 | $224,278 | $15,351 | $12,593,365 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| Skystone Foundation | Flagstaff, AZ | 501(c)(3) | Roden Crater Projects | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Disqualified Persons | - | $0 | - |
| Receivables from Officers, Directors, Trustees, and Key Employees | - | $0 | - |
“James A Turrell and Kyung-Lim Lee Turrell have a familial relationship.”
“An external accounting firm prepares the Organization's 990 with information provided by the Organization. A copy of Form 990 is provided to each member of the board of directors. At least two of the directors reviews and approves the Form 990 prior to filing.”
“The Organization keeps its governing documents and Forms 1023 and 990 on file at its office. Copies are available for the public upon written request in accordance with public inspection requirements.”
“Rounding = $2”
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 | false |
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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 13094 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 1069 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | To support the realization and stewardship of the Roden Crater project, including the protection and conservation of surrounding lands, dark skies, and viewshed. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllOtherContributionsAmt | 0 | 428769 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Your Part-Time Controller LLC |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6022819466 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | One Renaissance Tower 2 N Central A |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Phoenix |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 85004 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 205193 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 163372 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 428769 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 10693856 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1781702 |
| IRS990/CYOtherExpensesAmt | 0 | 1742053 |
| IRS990/CYOtherRevenueAmt | 0 | 163769 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -10219125 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 157456 |
| IRS990/CYTotalExpensesAmt | 0 | 12593365 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 15351 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 2374240 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 96414 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1471421 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1567835 |
| IRS990/Desc | 0 | To support the realization and stewardship of the Roden Crater project, including the protection and conservation of surrounding lands, dark skies, and viewshed. Roden Crater sits within the boundaries of the Painted Desert Approximately 20 miles northeast of Flagstaff, AZ. In the current year, the organization funded money to help with construction in the next phase of the Roden Crater project. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
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| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 4 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 12353736 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
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| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 54508 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 2608 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 2608 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 11383 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 11383 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282FiledCnt | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 20.00 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 20.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 20.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Michael Govan |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | James A Turrell |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Kyung-Lim Lee Turrell |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Richard Andrews |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Secretary |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2008 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GrantAmt | 0 | 10693856 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 10693856 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 10693856 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 2374240 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 23769 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 4 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 0 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 9715 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 9715 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 1781702 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1781702 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 14 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 3290247 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 39302923 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 66323589 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 69613836 |
| IRS990/LegalDomicileStateCd | 0 | AZ |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | false |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | To support the realization and stewardship of the Roden Crater project, including the protection and conservation of surrounding lands, dark skies, and viewshed. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 118886582 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 108667459 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 23769 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 23769 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 7079 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 35543 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 42622 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 4676 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 3960 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 8636 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 31158010 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 4680695 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 2 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 1038 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 2566 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 12774 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 16378 |
| IRS990/OtherExpensesGrp/Desc | 0 | Dues and Subs |
| IRS990/OtherExpensesGrp/Desc | 1 | Meals & Entertainment |
| IRS990/OtherExpensesGrp/Desc | 2 | Fundraising |
| IRS990/OtherExpensesGrp/Desc | 3 | Repairs and Maintenance |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 5371 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 8128 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 7703 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 5259 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 8128 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 7703 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 5371 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 5259 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | Sale of Artwork |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 140000 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 140000 |
| IRS990/OtherRevenueTotalAmt | 0 | 140000 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 7934 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 19614 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 97625 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 125173 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 1008 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 2492 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 12405 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 15905 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | James A Turrell |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 10240424 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 576141 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 930260 |
| IRS990/PYOtherRevenueAmt | 0 | 594000 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 10361949 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 118356 |
| IRS990/PYTotalExpensesAmt | 0 | 1048616 |
| IRS990/PYTotalRevenueAmt | 0 | 11410565 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -10219125 |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 23769 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 118886582 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 108667459 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 48224214 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 37512897 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | During fiscal year ending 6/30/2020, the taxpayer received $20,000,000 in unusual contributions. This donation is excluded from contributions on line 1 of the public support test because it: 1. is attracted by reason of the publicly supported nature of the organization 2. is unusual or unexpected with respect to the amount thereof, and 3. would, by reason of its size, adversely affect the status of the organization as normally being publicly supported for the period of 5 years. This contribution is not expected to be repeated in any future year. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | Support Schedule: Additional Supplemental Information |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 428769 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 10240424 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 10873590 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 17563380 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 4939049 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 44045212 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 1805471 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 753141 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 29154 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 55706 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 127967 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 2771439 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 38824565 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.59780 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.62010 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 27988330 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 16056882 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 428769 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 10240424 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 10873590 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 17563380 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 4939049 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 44045212 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 46816651 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | 0 |
| 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/BuildingsGrp/BookValueAmt | 0 | 1377593 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 197877 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 1575470 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 120361 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 199193 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 319554 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 31356041 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 31356041 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 33363867 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 2830746 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 36194613 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 105727 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 62431 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 168158 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 66323589 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | false |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 0 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 0 | 501(c)(3) |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceAmt | 0 | 10693856 |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceDesc | 0 | Completed Assets |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | Roden Crater Projects |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | Skystone Foundation |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 942842873 |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 0 | 28 S Beaver Street |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | Flagstaff |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 86001 |
| IRS990ScheduleI/RecipientTable/ValuationMethodUsedDesc | 0 | FMV |
| IRS990ScheduleI/Total501c3OrgCnt | 0 | 1 |
| IRS990ScheduleI/TotalOtherOrgCnt | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | James A Turrell and Kyung-Lim Lee Turrell have a familial relationship. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | An external accounting firm prepares the Organization's 990 with information provided by the Organization. A copy of Form 990 is provided to each member of the board of directors. At least two of the directors reviews and approves the Form 990 prior to filing. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | The Organization keeps its governing documents and Forms 1023 and 990 on file at its office. Copies are available for the public upon written request in accordance with public inspection requirements. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | Rounding = $2 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part VI, Section A, Line 2 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part VI, Section B, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990, Part VI, Section C, Line 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990, Part XI, Line 9 |
| IRS990ScheduleR/AssetExchangeInd | 0 | false |
| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | false |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | false |
| IRS990ScheduleR/DivRelatedOrganizationInd | 0 | false |
| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | false |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | true |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 0 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 0 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/EIN | 0 | 860712017 |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/EntityTypeTxt | 0 | S Corp |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/LegalDomicileStateCd | 0 | AZ |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/PrimaryActivitiesTxt | 0 | Fine Arts/Ranching |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 0 | Turrell Trading Company |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/AddressLine1Txt | 0 | 9000 Hutton Ranch Rd |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/CityNm | 0 | Flagstaff |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/ZIPCd | 0 | 86004 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 0 | false |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingNACd | 0 | N/A |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 0 | SKYSTONE FOUNDATION INC |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 0 | 942842873 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ExemptCodeSectionTxt | 0 | 501C3 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd | 0 | AZ |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 0 | ART PRESERVATION |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PublicCharityStatusTxt | 0 | 7 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 0 | 28 S BEAVER ST |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 0 | FLAGSTAFF |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/ZIPCd | 0 | 86001 |
| IRS990ScheduleR/LoansOrGuaranteesFromOthOrgInd | 0 | false |
| IRS990ScheduleR/LoansOrGuaranteesToOtherOrgInd | 0 | false |
| IRS990ScheduleR/PaidEmployeesSharingInd | 0 | true |
| IRS990ScheduleR/PerformOfServicesByOtherOrgInd | 0 | false |
| IRS990ScheduleR/PerformOfServicesForOthOrgInd | 0 | false |
| IRS990ScheduleR/ReceiptOfIntAnntsRntsRyltsInd | 0 | false |
| IRS990ScheduleR/ReimbursementPaidByOtherOrgInd | 0 | false |
| IRS990ScheduleR/ReimbursementPaidToOtherOrgInd | 0 | false |
| IRS990ScheduleR/RentalOfFacilitiesToOthOrgInd | 0 | false |
| IRS990ScheduleR/RentalOfFcltsFromOthOrgInd | 0 | false |
| IRS990ScheduleR/SharingOfFacilitiesInd | 0 | true |
| IRS990ScheduleR/TransferFromOtherOrgInd | 0 | true |
| IRS990ScheduleR/TransferToOtherOrgInd | 0 | false |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
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