Liabilities / Assets
29th percentile
Higher debt load relative to assets than 29% of similar nonprofits.
EIN 94-2994279 • 501(c)3 • Irvine, CA
Profile
THE NATIONAL ACADEMIES CORPORATION (TNAC) OWNS AND MAINTAINS THE ARNOLD AND MABEL BECKMAN CENTER, A CONFERENCE AND STUDY CENTER IN IRVINE, CALIFORNIA, FOR THE BENEFIT OF THE NATIONAL ACADEMY OF SCIENCES, THE NATIONAL ACADEMY OF ENGINEERING, the National Academy OF MEDICINE, AND THE NATIONAL RESEARCH COUNCIL.
Refreshing map…
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
29th percentile
Higher debt load relative to assets than 29% of similar nonprofits.
Liabilities / Revenue
82nd percentile
Higher debt load relative to revenue than 82% of similar nonprofits.
Net Margin
4th percentile
Higher net margin than 4% of similar nonprofits.
Top Officer Pay
97th percentile
Higher top officer pay than 97% of similar nonprofits.
Top officer pay equals 154.5% of source-year revenue.
Asset Growth
52nd percentile
Faster asset growth than 52% of similar nonprofits.
Revenue Growth
95th percentile
Faster revenue growth than 95% of similar nonprofits.
Assets
Up$18,849,370
Up $891,387 (+5.0%) from 2023
Liabilities
Up$834,233
Up $509,669 (+157%) from 2023
Net Assets
Up$18,015,137
Up $381,718 (+2.2%) from 2023
Revenue
Up$768,986
Up $487,773 (+173%) from 2023
Expenses
Down$1,324,502
Down $42,952 (-3.1%) from 2023
Net Income
Up-$555,516
Up $530,725 (+49%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
THE NATIONAL ACADEMIES CORPORATION (TNAC) OWNS AND MAINTAINS THE ARNOLD AND MABEL BECKMAN CENTER, A CONFERENCE AND STUDY CENTER IN IRVINE, CALIFORNIA, FOR THE BENEFIT OF THE NATIONAL ACADEMY OF SCIENCES, THE NATIONAL ACADEMY OF ENGINEERING, the National Academy OF MEDICINE, AND THE NATIONAL RESEARCH COUNCIL.
See schedule othe national academies corporation (tnac) owns and maintains the arnold and mabel beckman center, a conference and study center in irvine, california, for the benefit of the national academy of sciences, the national academy of engineering, the national academy of medicine, and the national research council.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments Other Securities | $13,184,602 | $14,043,852 | ▲ $859,250 |
| Land, Buildings, and Equipment, Net | $4,738,147 | $4,668,960 | ▼ $69,187 |
| Cash and Non-Interest-Bearing Accounts | $33,002 | $108,171 | ▲ $75,169 |
| Prepaid Expenses and Deferred Charges | $2,232 | $28,387 | ▲ $26,155 |
| Investments Program Related | $0 | $0 | → $0 |
| Total Assets | $17,957,983 | $18,849,370 | ▲ $891,387 |
| Other Assets Total | $0 | $0 | → $0 |
| Liabilities | |||
| Other Liabilities | $317,801 | $827,267 | ▲ $509,466 |
| Deferred Revenue | $6,763 | $6,966 | ▲ $203 |
| Total Liabilities | $324,564 | $834,233 | ▲ $509,669 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $15,799,602 | $16,658,852 | ▲ $859,250 |
| Net Assets Without Donor Restrictions | $1,833,817 | $1,356,285 | ▼ $477,532 |
| Total Net Assets Fund Balance | $17,633,419 | $18,015,137 | ▲ $381,718 |
| Total Liabilities and Net Assets / Fund Balance | $17,957,983 | $18,849,370 | ▲ $891,387 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $1,688,549 | $11,251,720 | $12,940,269 |
| Land | $2,615,000 | - | $2,615,000 |
| Equipment | $207,611 | $737,808 | $945,419 |
| Other Land Buildings | $157,800 | - | $157,800 |
| Other Securities | $14,043,852 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $13,184,602 | - | ▲ $1,576,429 | $65,841 | $14,043,852 |
| 2023 | $12,575,608 | - | ▲ $1,377,151 | $126,857 | $13,184,602 |
| 2022 | $15,074,623 | - | ▼ $1,472,780 | $142,864 | $12,575,608 |
| 2021 | $13,881,899 | - | ▲ $2,012,613 | $70,075 | $15,074,623 |
| 2020 | $13,252,272 | - | ▲ $1,348,319 | $93,823 | $13,881,899 |
| Name | Title | Other | Total |
|---|---|---|---|
| Yannis C Yortsos | Board Member (beg 1/26/2024) | $70,000 | $70,000 |
| Roger L Mccarthy | Board Member | $50,000 | $50,000 |
| Name | Title |
|---|---|
| Marcia Mcnutt | Chair |
| John Anderson | President |
| Anthony a James | Board Member |
| David Tirrell | Board Member |
| Jacqueline K Barton | Board Member |
| Krzysztof Palczewski | Board Member |
| Victor Dzau | Board Member |
| Kenneth Fulton | Executive Director |
| Ebun Johnson | Chief Financial Officer |
| Alton Romig | Executive Secretary |
| William H Press | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $673,164 |
| Grants and Similar Amounts Paid | $651,338 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $651,338 | - | - | $651,338 |
| Depreciation Depletion | $442,368 | - | - | $442,368 |
| Occupancy | $72,722 | $4,513 | - | $77,235 |
| Fees for Service Investment Mgmnt Fees | - | $70,323 | - | $70,323 |
| Fees for Services Accounting | - | $44,440 | - | $44,440 |
| Insurance | - | $19,667 | - | $19,667 |
| Information Technology | - | $9,244 | - | $9,244 |
| Fees for Services Management | - | $5,030 | - | $5,030 |
| Office Expenses | - | $4,034 | - | $4,034 |
| Conferences and Meetings | - | $823 | - | $823 |
| Total Functional Expenses | $1,166,428 | $158,074 | $0 | $1,324,502 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $1,324,502 |
| Expenses per Audited Statements | $1,254,179 |
| Total Expenses per Audited Statements | $1,254,179 |
| Expenses Not Reported on Financial Statements | $70,323 |
| Expenses Not Reported on Form 990 | $0 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| National Academy of Sciences | Washington, DC | 501(c)(3) | Beckman Center Operations | $651,338 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Due to National Academy of Sciences | $827,267 |
“Form 990 review process the draft 990 is prepared by the nas office of the chief financial officer. It is reviewed by the nas office of general counsel and an external tax adviser before being reviewed by the tnac executive committee. The final form is then made available to the full tnac board prior to its submission.”
“Conflict of interest policy monitoring and enforcement annually, the nas general counsel leads a discussion at the meeting of officers and directors at which the conflict of interest policy is reviewed. All officers/directors are asked about any current conflicts and reminded they must abide by the conflict of interest policy.”
“Process for determining compensation compensation for officers is paid by the nas, a related organization, and compensation decisions are made by nas in accordance with its policies and procedures. For example, compensation decisions for disqualified persons as defined in irc section 4958 are made annually by an executive compensation committee composed of independent members on the basis of comparability data and there is a record of their deliberations and decisions.”
“How documents are made available to the public the organization makes these documents available to the extent required by law. Form 990, part x, line 12: investment in other securities the national academies corporation's (tnac) investment assets are held by the national academy of sciences (nas), a related organization, for the benefit of tnac, as part of the nas endowment and other long-term investments pool and the nas program investments pool, and in accordance with the pools' general rules, investment policies, and operational practices. Tnac's assets invested in the pools participate on a pro rata basis in the investment return (loss) and expenses of the pools. The pools are invested in a diversified portfolio consisting of money market accounts, fixed income and equity mutual and closed-end funds, corporate and u.s. Government securities, equities futures, private equity funds, and hedge funds.”
“Roger mccarthy received compensation of $50,000 from the nas, a related organization, for his role as the treasurer of the national academy of engineering (nae). This compensation is unrelated to his service on the tnac board. Yannis yortsos received compensation of $70,000 from the nas, a related organization, in his capacity as editor-in-chief of the proceedings of the national academy of sciences (pnas) nexus, a science journal published by the organization. This compensation is unrelated to his service on the tnac board.”
“A portion of the endowment income is made available annually for maintenance, operation and staffing of the beckman center.”
“Liability for uncertain tax positions tnac has determined that there are no material unrelated business activities or uncertain tax positions that require recognition or disclosure in the financial statements.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | SEE SCHEDULE OTHE NATIONAL ACADEMIES CORPORATION (TNAC) OWNS AND MAINTAINS THE ARNOLD AND MABEL BECKMAN CENTER, A CONFERENCE AND STUDY CENTER IN IRVINE, CALIFORNIA, FOR THE BENEFIT OF THE NATIONAL ACADEMY OF SCIENCES, THE NATIONAL ACADEMY OF ENGINEERING, THE NATIONAL ACADEMY OF MEDICINE, AND THE NATIONAL RESEARCH COUNCIL. |
| IRS990/AllOtherContributionsAmt | 0 | 47000 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | CHRIS HOLMES CONTROLLER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2023343003 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 500 FIFTH STREET NW |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20001 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 33002 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 108171 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 823 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 823 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 47000 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 651338 |
| IRS990/CYInvestmentIncomeAmt | 0 | 639195 |
| IRS990/CYOtherExpensesAmt | 0 | 673164 |
| IRS990/CYOtherRevenueAmt | 0 | 82791 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -555516 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 1324502 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 768986 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 6763 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 6966 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 442368 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 442368 |
| IRS990/Desc | 0 | THE NATIONAL ACADEMIES CORPORATION (TNAC) OWNS AND MAINTAINS THE ARNOLD AND MABEL BECKMAN CENTER, A CONFERENCE AND STUDY CENTER IN IRVINE, CALIFORNIA, FOR THE BENEFIT OF THE NATIONAL ACADEMY OF SCIENCES, THE NATIONAL ACADEMY OF ENGINEERING, THE NATIONAL ACADEMY OF MEDICINE, AND THE NATIONAL RESEARCH COUNCIL. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 15799602 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 16658852 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 1166428 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 44440 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 44440 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 5030 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 5030 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 70323 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 70323 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 19.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| 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/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/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 | 98759 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 98059 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 95049 |
| 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 | 98938 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 81130 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 77449 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MARCIA MCNUTT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOHN ANDERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | VICTOR DZAU |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | JACQUELINE K BARTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ANTHONY A JAMES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ROGER L MCCARTHY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | KRZYSZTOF PALCZEWSKI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | WILLIAM H PRESS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | DAVID TIRRELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | YANNIS C YORTSOS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | ALTON ROMIG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | KENNETH FULTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | EBUN JOHNSON |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 1089403 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 1062641 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 1065629 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 50000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 70000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 350852 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 342458 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 296016 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | BOARD MEMBER (BEG 1/26/2024) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | EXECUTIVE SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | EXECUTIVE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | CHIEF FINANCIAL OFFICER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1986 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 590574 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 10 |
| IRS990/GrantAmt | 0 | 651338 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 651338 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 651338 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 665505 |
| IRS990/GrossReceiptsAmt | 0 | 843917 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 82791 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 9244 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 9244 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 19667 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 19667 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 48621 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 48621 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 13184602 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 14043852 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 11989528 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 4738147 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 4668960 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 16658488 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 74931 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | SEE SCHEDULE OTHE NATIONAL ACADEMIES CORPORATION (TNAC) OWNS AND MAINTAINS THE ARNOLD AND MABEL BECKMAN CENTER, A CONFERENCE AND STUDY CENTER IN IRVINE, CALIFORNIA, FOR THE BENEFIT OF THE NATIONAL ACADEMY OF SCIENCES, THE NATIONAL ACADEMY OF ENGINEERING, THE NATIONAL ACADEMY OF MEDICINE, AND THE NATIONAL RESEARCH COUNCIL. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 17633419 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 18015137 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 590574 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 590574 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 82791 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 82791 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 937234 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1833817 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1356285 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 4513 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 72722 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 77235 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 4034 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 4034 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 0 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 317801 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 827267 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 2232 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 28387 |
| IRS990/PrincipalOfficerNm | 0 | JOHN ANDERSON |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 641300 |
| IRS990/PYInvestmentIncomeAmt | 0 | 200833 |
| IRS990/PYOtherExpensesAmt | 0 | 726154 |
| IRS990/PYOtherRevenueAmt | 0 | 80380 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -1086241 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 1367454 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 281213 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -555516 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 82791 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 1 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd | 0 | 1 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd | 0 | 0 |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd | 0 | 1 |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 2 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 2 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 530196932 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 1 | 237284092 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 1 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 7 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 1 | 7 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 1 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 651338 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 1 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | NATIONAL ACADEMY OF SCIENCES (NAS) |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 1 | NATIONAL ACADEMY OF ENGINEERING FUND (NAEF) |
| IRS990ScheduleA/SupportingOrganization509a3Ind | 0 | X |
| IRS990ScheduleA/SupportingOrgType1Ind | 0 | X |
| IRS990ScheduleA/SupportSumAmt | 0 | 651338 |
| 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 | 1 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 1688549 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 11251720 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 12940269 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 13184602 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 14043852 |
| IRS990ScheduleD/CYEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 651338 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 1576429 |
| IRS990ScheduleD/CYEndwmtFundGrp/OtherExpendituresAmt | 0 | 65841 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 12575608 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 13184602 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 641300 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 1377151 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 126857 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 15074623 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 12575608 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 883371 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -1472780 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 142864 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 13881899 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 15074623 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 749814 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 2012613 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 70075 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 13252272 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 13881899 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 624869 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 1348319 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 93823 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | 1 |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 207611 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 737808 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 945419 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 70323 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 1254179 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/InvestmentExpensesNotIncld2Amt | 0 | 70323 |
| IRS990ScheduleD/InvestmentExpensesNotIncldAmt | 0 | 70323 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 2615000 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 2615000 |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 937234 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 157800 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 157800 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 827267 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | DUE TO NATIONAL ACADEMY OF SCIENCES |
| IRS990ScheduleD/OtherSecuritiesGrp/BookValueAmt | 0 | 14043852 |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 0 | OTHER SECURITIES |
| IRS990ScheduleD/OtherSecuritiesGrp/MethodValuationCd | 0 | F |
| IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct | 0 | 1.00000 |
| IRS990ScheduleD/RelatedOrgListSchRInd | 0 | 1 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 937234 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 70323 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 698663 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | A PORTION OF THE ENDOWMENT INCOME IS MADE AVAILABLE ANNUALLY FOR MAINTENANCE, OPERATION AND STAFFING OF THE BECKMAN CENTER. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | LIABILITY FOR UNCERTAIN TAX POSITIONS TNAC HAS DETERMINED THAT THERE ARE NO MATERIAL UNRELATED BUSINESS ACTIVITIES OR UNCERTAIN TAX POSITIONS THAT REQUIRE RECOGNITION OR DISCLOSURE IN THE FINANCIAL STATEMENTS. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART V, LINE 4: |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | PART X, LINE 2: |
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