| IRS990EZ/ActivitiesNotPreviouslyRptInd | 0 | 0 |
| IRS990EZ/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | MITCH CHRIST |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 3039166199 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX 2051 |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | FORT COLLINS |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CO |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 80522 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 7845 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 15061 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | 1 |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 10000 |
| IRS990EZ/DirectIndirectPltclExpendAmt | 0 | 0 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | 0 |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | 7216 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 2356 |
| IRS990EZ/ForeignFinancialAccountInd | 0 | 0 |
| IRS990EZ/ForeignOfficeInd | 0 | 0 |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 7845 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 15061 |
| IRS990EZ/GrantsAndSimilarAmountsPaidAmt | 0 | 750 |
| IRS990EZ/GrossReceiptsAmt | 0 | 196452 |
| IRS990EZ/GrossReceiptsForPublicUseAmt | 0 | 0 |
| IRS990EZ/GroupExemptionNum | 0 | 0309 |
| IRS990EZ/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIVInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartVInd | 0 | X |
| IRS990EZ/InitiationFeesAndCapContriAmt | 0 | 0 |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | 0 |
| IRS990EZ/MembershipDuesAmt | 0 | 149119 |
| IRS990EZ/MethodOfAccountingAccrualInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | -18405 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | -11189 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | -18405 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | -11189 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 10.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 10.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 3.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 3.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 3.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 3.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 4.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 4.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 3.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 9 | 3.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 10 | 3.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 11 | 3.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | PARKER ORTH |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | DEAN MONTOYA |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | JOSEPH CURTISVP PROGRAMMING THRU 1 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | RAYMOND KAPPLE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | JACK BUEL VP SIGEP |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | HOLDEN BOOHER VP SIGEP |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | NATHAN BURGER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | FORD THOMPSON |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | MATT BURNS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 9 | TIM KERVIN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 10 | SAM ELMORE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 11 | JARED BARTON |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | PRESIDENT THRU 11/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | PRESIDENT FROM 12/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | 24,VP MEMBER DEVELOPMENT FROM 12/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | VP PROGRAMMING FROM 12/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | LEARNING COMMUNITIES THRU 11/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | LEARNING COMMUNITIES FROM 12/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | VP FINANCE THRU 11/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | VP FINANCE FROM 12/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 8 | VP MEMBER DEVELOPMENT THRU 11/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 9 | VP RECRUITMENT FROM 12/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 10 | VP COMMUNICATION THRU 11/24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 11 | VP COMMUNICATION FROM 12/24 |
| IRS990EZ/OperateHospitalInd | 0 | 0 |
| IRS990EZ/Organization501cInd | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | 0 |
| IRS990EZ/OrganizationHadUBIInd | 0 | 0 |
| IRS990EZ/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 186130 |
| IRS990EZ/PoliticalCampaignActyInd | 0 | 0 |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | TO PROMOTE AND FOSTER THE FRATERNAL IDEALS OF SIGMA PHI EPSILON AT COLORADO STATE UNIVERSITY INCLUDING BROTHERHOOD, SCHOLARSHIP, AND ATHLETICS THROUGH PROGRAMMING, EVENTS, AND TO TAKE OTHER ACTIONS CONSISTENT WITH THE EDUCATIONAL AND CHARITABLE PURPOSES OF THE EXEMPT CORPORATION. |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 37333 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | TO PROMOTE AND FOSTER THE FRATERNAL IDEALS OF SIGMA PHI EPSILON AT COLORADO STATE UNIVERSITY INCLUDING BROTHERHOOD, SCHOLARSHIP, AND ATHLETICS THROUGH PROGRAMMING, EVENTS, AND TO TAKE OTHER ACTIONS CONSISTENT WITH THE EDUCATIONAL AND CHARITABLE PURPOSES OF THE EXEMPT CORPORATION. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 0 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 0 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990EZ/SubjectToProxyTaxInd | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 26250 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 26250 |
| IRS990EZ/TanningServicesProvidedInd | 0 | 0 |
| IRS990EZ/TotalExpensesAmt | 0 | 189236 |
| IRS990EZ/TotalRevenueAmt | 0 | 196452 |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | N/A |
| 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 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | DESCRIPTION: CHAPTER FEES. AMOUNT: 37,432. DESCRIPTION: CHAPTER HOUSE MAINTENANCE. AMOUNT: 64,418. DESCRIPTION: EVENTS. AMOUNT: 17,587. DESCRIPTION: GREEK BILL FEES. AMOUNT: 3,697. DESCRIPTION: LIABILITY INSURANCE. AMOUNT: 28,412. DESCRIPTION: MEMBERSHIP DEVELOPMENT. AMOUNT: 7,855. DESCRIPTION: OFFICE EXPENSE. AMOUNT: 7,150. DESCRIPTION: OTHER. AMOUNT: 41. DESCRIPTION: PROGRAM EXPENSES. AMOUNT: 7,042. DESCRIPTION: RECRUITMENT. AMOUNT: 12,496. TOTAL TO FORM 990-EZ, LINE 16: 186,130. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | DESCRIPTION: DUE TO AFFILIATE. BEG. OF YEAR AMOUNT: 26,250. END OF YEAR AMOUNT: 26,250. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE ORGANIZATION AMENDED THE BYLAWS ON APRIL 14, 2025. A NEW OFFICER POSITION WAS CREATED, THE VICE PRESIDENT OF HOUSE MANAGEMENT (VPHM). THE VPHM SHALL SERVE AS A FULL VOTING MEMBER OF THE EXECUTIVE BOARD. THIS POSITION SHALL BE ELECTED BY A MAJORITY VOTE OF THE ENTIRE CHAPTER MEMBERSHIP IN GOOD STANDING. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990-EZ, PART II, LINE 26 - OTHER LIABILITIES |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990-EZ, PART V, LINE 34 |
| TransferPrsnlBnftContractsDecl/DeclarationDesc | 0 | THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT. |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | NATHAN BURGER |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | VP-FINANCE |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 3039166199 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-03-26 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | SIGMA PHI EPSILON FRATERNITY |
| ReturnHeader/Filer/BusinessName/BusinessNameLine2Txt | 0 | COLORADO GAMMA CHAPTER |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | SIGM |
| ReturnHeader/Filer/EIN | 0 | 920264266 |
| ReturnHeader/Filer/PhoneNum | 0 | 3039166199 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 121 E LAKE STREET |
| ReturnHeader/Filer/USAddress/CityNm | 0 | FORT COLLINS |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CO |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 80524 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 450250958 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | EIDE BAILLY LLP |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 2950 E HARMONY RD STE 290 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | FORT COLLINS |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | CO |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 805283429 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 9702238825 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2026-03-26 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | KYLE FRITCH CPA |
| ReturnHeader/ReturnTs | 0 | 2026-03-26T14:17:25-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
