Liabilities / Assets
5th percentile
Higher debt load relative to assets than 5% of similar nonprofits.
EIN 74-2378230 • 501(c)3 • Colorado Springs, CO
Profile
Ardi fortifies academic distinction at the united states air force academy by establishing, stewarding and managing perpetually endowed academic chairs.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
5th percentile
Higher debt load relative to assets than 5% of similar nonprofits.
Liabilities / Revenue
6th percentile
Higher debt load relative to revenue than 6% of similar nonprofits.
Net Margin
87th percentile
Higher net margin than 87% of similar nonprofits.
Top Officer Pay
31st percentile
Higher top officer pay than 31% of similar nonprofits.
Top officer pay equals 6.1% of source-year revenue.
Asset Growth
70th percentile
Faster asset growth than 70% of similar nonprofits.
Revenue Growth
10th percentile
Faster revenue growth than 10% of similar nonprofits.
Assets
Up$56,457,172
Up $5,799,984 (+11%) from 2024
Liabilities
Up$31,080
Up $10,618 (+52%) from 2024
Net Assets
Up$56,426,092
Up $5,789,366 (+11%) from 2024
Revenue
Down$4,198,912
Down $1,110,772 (-21%) from 2024
Expenses
Up$2,464,893
Up $53,591 (+2.2%) from 2024
Net Income
Down$1,734,019
Down $1,164,363 (-40%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
ARDI stewards donated endowments to sustain future American air and space power, enhancing faculty quality and cadet education at the United States Air Force Academy.
ARDI endows excellence in AF Academy cadet education, sustaining future US air and space power.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $48,875,864 | $54,987,495 | ▲ $6,111,631 |
| Savings and Temporary Cash Investments | $1,360,610 | $850,683 | ▼ $509,927 |
| Investments Other Securities | $344,422 | $274,692 | ▼ $69,730 |
| Cash and Non-Interest-Bearing Accounts | $23,320 | $218,197 | ▲ $194,877 |
| Land, Buildings, and Equipment, Net | $0 | $76,195 | ▲ $76,195 |
| Accounts Receivable | $34,839 | $31,472 | ▼ $3,367 |
| Prepaid Expenses and Deferred Charges | $18,133 | $18,438 | ▲ $305 |
| Total Assets | $50,657,188 | $56,457,172 | ▲ $5,799,984 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $20,462 | $31,080 | ▲ $10,618 |
| Total Liabilities | $20,462 | $31,080 | ▲ $10,618 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $38,099,778 | $38,886,592 | ▲ $786,814 |
| Net Assets Without Donor Restrictions | $12,536,948 | $17,539,500 | ▲ $5,002,552 |
| Total Net Assets Fund Balance | $50,636,726 | $56,426,092 | ▲ $5,789,366 |
| Total Liabilities and Net Assets / Fund Balance | $50,657,188 | $56,457,172 | ▲ $5,799,984 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $76,195 | - | $76,195 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $40,698,558 | - | ▲ $4,320,092 | $2,854,866 | $42,163,784 |
| 2023 | $38,857,546 | - | ▲ $3,571,883 | $1,730,871 | $40,698,558 |
| 2022 | $40,913,978 | - | ▼ $1,452,877 | $603,555 | $38,857,546 |
| 2021 | $25,280,790 | - | ▲ $15,633,188 | - | $40,913,978 |
| 2020 | $23,568,474 | - | ▲ $1,712,316 | - | $25,280,790 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Dana Montgomery | COO | FT | $137,500 | $38,921 | $176,421 |
| Terry Erdle | Treasurer | - | - | $60,000 | $60,000 |
| Name | Title |
|---|---|
| Michael Erdle | Chairman |
| Bob Edmonds | Board Member |
| Jack Catton | Board Member |
| Rick Pyatt | Board Member |
| Christopher D Miller | CEO |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| RokkeSimon Chair | Professor | 720 Walsen Rd, Colorado Springs, CO 80921-2718 | $222,510 |
| Mr William T Coleman III and Dr Wil | Professor | 720 Walsen Rd, Colorado Springs, CO 80921-2718 | $154,158 |
| Holland H Coors Chair in Education | Professor | 720 Walsen Rd, Colorado Springs, CO 80921-2718 | $152,498 |
| ARDI Chair in Arabic Studies | Professor | 720 Walsen Rd, Colorado Springs, CO 80921-2718 | $147,500 |
| Lyon Chair | Professor | 720 Walsen Rd, Colorado Springs, CO 80921-2718 | $147,500 |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Cars and Other Vehicles | 1 | $25,000 | FM trade-in value |
| Total Noncash Contributions | 1 | $25,000 | - |
| Line Item | Amount |
|---|---|
| Other Expenses | $2,045,145 |
| Salaries, Compensation, and Employee Benefits | $399,315 |
| Total Fundraising Expense | $61,493 |
| Grants and Similar Amounts Paid | $20,433 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Other | $1,560,711 | $6,746 | - | $1,567,457 |
| Current Officers, Directors, Trustees, and Key Employees | $182,910 | $70,193 | $19,522 | $272,625 |
| Fees for Service Investment Mgmnt Fees | $244,362 | - | - | $244,362 |
| Other Salaries and Wages | $56,714 | $18,421 | $6,301 | $81,436 |
| Other Expenses | $68,500 | - | - | $68,500 |
| Travel | $20,506 | $20,897 | $21,657 | $63,060 |
| Fees for Services Accounting | $13,522 | $44,141 | - | $57,663 |
| Office Expenses | $7,160 | $13,455 | $6,806 | $27,421 |
| Payroll Taxes | $16,172 | $5,386 | $1,787 | $23,345 |
| Grants to Domestic Orgs | $20,433 | - | - | $20,433 |
| Other Employee Benefits | $9,525 | $6,812 | $782 | $17,119 |
| Insurance | - | $7,474 | - | $7,474 |
| Pension Plan Contributions | $2,665 | $1,906 | $219 | $4,790 |
| Conferences and Meetings | $4,474 | - | - | $4,474 |
| Advertising | - | - | $4,419 | $4,419 |
| Fees for Services Legal | $74 | $241 | - | $315 |
| Total Functional Expenses | $2,207,728 | $195,672 | $61,493 | $2,464,893 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $2,464,893 |
| Total Expenses per Audited Statements | $2,341,714 |
| Expenses per Audited Statements | $2,220,531 |
| Expenses Not Reported on Financial Statements | $244,362 |
| Expenses Not Reported on Form 990 | $121,183 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| United States Air Force Academy Foundation | USAF Academy, CO | 501(c)(3) | Program support | $17,250 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Board members Michael Erdle and Terry Erdle have a family relationship.”
“Form 990 is reviewed by management and the board of directors prior to filing.”
“The governing body is required to review and sign an annual update to the conflict of interest policy affirming that each director has received, read, understands, and agrees to comply with the policy. On an ongoing basis, interested persons have a duty to disclose any actual or possible conflict of interest with respect to any proposed transaction or arrangement. The minutes of the governing board shall contain a record of proceedings with respect to any actual or possible conflicts of interests.”
“The CEO is compensated by international education foundation (INEF), a supporting organization of ARDI (see Schedule R). The INEF board reviews and approves compensation annually. Compensation for all other officers is paid by ARDI and reviewed by the board annually. A voting member of the governing board who receives compensation, directly or indirectly, from the organization for services is precluded from voting on matters pertaining to that member's compensation. In determining compensation, criteria such as the nature of the position, employee contribution and sustained level of performance, employee education, abilities, and drive, financial condition of the employer, and comparisons with similar organizations are considered. A new CEO was hired in 2025 that is an employee of ARDI.”
“The Organization's governing documents are made available to the public upon request. Financial information is made available via form 990.”
“Professors-USAFA: Program service expenses 1,558,644. Management and general expenses 0. Fundraising expenses 0. Total expenses 1,558,644. Other professional fees: Program service expenses 2,067. Management and general expenses 6,746. Fundraising expenses 0. Total expenses 8,813.”
“The Organization has a committee that assumes responsibility for selection of the independent accountant and oversight of the annual financial statement audit. This process has not changed from prior years.”
“The Organization maintains various endowment funds established to support each USAFA academic department, supporting whomever the dean of faculty nominates to occupy.”
“The Organization evaluates the effect of uncertain tax positions, if any, and provides for those positions in accordance with the provisions of FASB ASC Topic 450, Contingencies. No tax accrual for uncertain tax positions has been recorded as management believes there are no uncertain tax positions for the Organization.”
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 | 20462 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 31080 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 34839 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 31472 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | ARDI endows excellence in AF Academy cadet education, sustaining future US air and space power. |
| IRS990/AddressChangeInd | 0 | X |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 4419 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 4419 |
| IRS990/AllOtherContributionsAmt | 0 | 273068 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | The Organization |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7195991370 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1490 Garden of the Gods Rd |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Colorado Springs |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CO |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 80907 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 23320 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 218197 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 6 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 19522 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 70193 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 182910 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 272625 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 4474 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 4474 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 222510 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 154158 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 152498 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 147500 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 147500 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 720 Walsen Rd |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 720 Walsen Rd |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 720 Walsen Rd |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 720 Walsen Rd |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 720 Walsen Rd |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Colorado Springs |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | Colorado Springs |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | Colorado Springs |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | Colorado Springs |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | Colorado Springs |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | CO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | CO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | CO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | CO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | CO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 809212718 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 809212718 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 809212718 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 809212718 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 809212718 |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 0 | RokkeSimon Chair |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 1 | Mr William T Coleman III and Dr Wil |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 2 | Holland H Coors Chair in Education |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 3 | Lyon Chair |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 4 | ARDI Chair in Arabic Studies |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Professor |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Professor |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | Professor |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | Professor |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | Professor |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 808568 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 20433 |
| IRS990/CYInvestmentIncomeAmt | 0 | 3327946 |
| IRS990/CYOtherExpensesAmt | 0 | 2045145 |
| IRS990/CYOtherRevenueAmt | 0 | 62398 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1734019 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 399315 |
| IRS990/CYTotalExpensesAmt | 0 | 2464893 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 61493 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 4198912 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | ARDI's primary program service fostered excellence at the United States Air Force Academy (USAFA) by supporting distinctive academic programs, directed by Academy leadership, that enhance the faculty and cadet experience with quality and activities above and beyond what US Government resources provide. ARDI's weight of effort funded Endowed Professor chairs in selected disciplines, including astronautics, aeronautics, computer and cyber sciences, economics, foreign languages and cultures, political science, philosophy and ethics, and others. In addition, ARDI supported Academy cadet research and other educational activities that provide breadth and depth beyond the baseline Academy experience to motivate, inspire, and better prepare Academy graduates to serve and lead in the Air Force and Space Force. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DoingBusinessAsName/BusinessNameLine1Txt | 0 | ARDI |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 38099778 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 38886592 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 3 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 2207728 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 44141 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 13522 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 57663 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 241 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 74 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 315 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 6746 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 1560711 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 1567457 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ProgramServicesAmt | 0 | 244362 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 244362 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 20.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 5.00 |
| 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/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 | 30921 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 57985 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Christopher D Miller |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Dana Montgomery |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Michael Erdle |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Terry Erdle |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Bob Edmonds |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Rick Pyatt |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Jack Catton |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 145500 |
| 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/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 198000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 60000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | COO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Board Member |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1984 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 2567363 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 7 |
| IRS990/GrantAmt | 0 | 20433 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 20433 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 20433 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 2567363 |
| IRS990/GrossReceiptsAmt | 0 | 4198912 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 3 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 7474 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 7474 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 760583 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 760583 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 344422 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 274692 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 48875864 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 54987495 |
| IRS990/IRPDocumentCnt | 0 | 10 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 76195 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 76195 |
| IRS990/LegalDomicileStateCd | 0 | CO |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 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 | ARDI stewards donated endowments to sustain future American air and space power, enhancing faculty quality and cadet education at the United States Air Force Academy. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 50636726 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 56426092 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 2567363 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 2567363 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 3962 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 4055347 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 12536948 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 17539500 |
| IRS990/NoncashContributionsAmt | 0 | 25000 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 6806 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 13455 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 7160 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 27421 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 782 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 6812 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 9525 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 17119 |
| IRS990/OtherExpensesGrp/Desc | 0 | Cadet and faculty enric |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 68500 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 68500 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 523000 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | Partnership income |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 37588 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 62398 |
| IRS990/OtherRevenueMiscGrp/UnrelatedBusinessRevenueAmt | 0 | 24810 |
| IRS990/OtherRevenueTotalAmt | 0 | 62398 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 6301 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 18421 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 56714 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 81436 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 1787 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 5386 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 16172 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 23345 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 219 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 1906 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 2665 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 4790 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 18133 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 18438 |
| IRS990/PrincipalOfficerNm | 0 | Christopher D Miller |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 788889 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 4756223 |
| IRS990/PYOtherExpensesAmt | 0 | 1931184 |
| IRS990/PYOtherRevenueAmt | 0 | -235428 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 2898382 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 480118 |
| IRS990/PYTotalExpensesAmt | 0 | 2411302 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 5309684 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 1734019 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RelatedOrganizationsAmt | 0 | 535500 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 1360610 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 850683 |
| IRS990ScheduleA/CollegeOrganizationInd | 0 | X |
| IRS990ScheduleA/FactsAndCircumstancesTestTxt | 0 | Part II, Section C, Line 17a, Facts and Circumstances Test: the Organization supports the Air Force Academy. The Organization is above 10% public support, and more than 10% of support comes from a supporting organization. |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 808568 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 788889 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 297196 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 350000 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 239521 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 2484174 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 760583 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 900177 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 841404 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 718664 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 629679 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 3850507 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 37588 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 37588 |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.23470 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.19180 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 2484174 |
| IRS990ScheduleA/TenPctFactsCrcmstncsTestCYInd | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 808568 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 788889 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 297196 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 350000 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 239521 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 2484174 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 10583317 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearAmt | 0 | 24810 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 4110250 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 75988 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | 4211048 |
| 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/BoardDesignatedBalanceEOYPct | 0 | 0.90000 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 40698558 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 42163784 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 4320092 |
| IRS990ScheduleD/CYEndwmtFundGrp/OtherExpendituresAmt | 0 | 2854866 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 38857546 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 40698558 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 3571883 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 1730871 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 40913978 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 38857546 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -1452877 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 603555 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 25280790 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 40913978 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 15633188 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 23568474 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 25280790 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 1712316 |
| IRS990ScheduleD/DonatedServicesAndUseFcltsAmt | 0 | 121183 |
| IRS990ScheduleD/DonatedServicesUseFcltsAmt | 0 | 121183 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 76195 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 76195 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 121183 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 244362 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 2220531 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/InvestmentExpensesNotIncld2Amt | 0 | 244362 |
| IRS990ScheduleD/InvestmentExpensesNotIncldAmt | 0 | 244362 |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 4055347 |
| IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct | 0 | 0.08000 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 4176530 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 244362 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 3954550 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | The Organization maintains various endowment funds established to support each USAFA academic department, supporting whomever the dean of faculty nominates to occupy. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | The Organization evaluates the effect of uncertain tax positions, if any, and provides for those positions in accordance with the provisions of FASB ASC Topic 450, Contingencies. No tax accrual for uncertain tax positions has been recorded as management believes there are no uncertain tax positions for the Organization. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Part V, Line 4: |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Part X, Line 2: |
| IRS990ScheduleD/TermEndowmentBalanceEOYPct | 0 | 0.02000 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 76195 |
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