| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 66516595 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 74837096 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 14075208 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 19217774 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO OPERATE AND ADMINISTER AN ORGANIZATION OF HIGHER LEARNING. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 316235 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 87527225 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 87843460 |
| IRS990/AllOtherContributionsAmt | 0 | 14858331 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 91616 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 644013 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 735629 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | DAVID GROW |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 8012743280 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 4001 SOUTH 700 EAST NO 700 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SALT LAKE CITY |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | UT |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 84107 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 1 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 204 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 2334615 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 1709072 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 4043687 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 144049 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 2684669 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 2828718 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 1 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 46705225 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 18013578 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 8280090 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 6280968 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 5691979 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 220 EAST 42ND ST |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 500 SANSOME |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 1 HACKER WAY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 200 N MILWAUKEE AVE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 1600 AMPHITHEATRE PARKWAY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | NEW YORK |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | SAN FRANCISCO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | MENLO PARK |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | VERNON HILLS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | MOUNTAIN VIEW |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 10017 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 94111 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 94025 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 60061 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 94043 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | PHD MEDIA LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | GOOGLE INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | FACEBOOK ADVERTISING USA |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | CDW GOVERNMENT |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | UCERTIFY LLC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | MEDIA MANAGEMENT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | WEB MARKETING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | ADVERTISING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | LEARNING RESOURCES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | LEARNING RESOURCES |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 14885437 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 43530968 |
| IRS990/CYInvestmentIncomeAmt | 0 | 9180061 |
| IRS990/CYOtherExpensesAmt | 0 | 232691002 |
| IRS990/CYOtherRevenueAmt | 0 | 653195 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 644591638 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 19713930 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 373374431 |
| IRS990/CYTotalExpensesAmt | 0 | 649596401 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 669310331 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 110606257 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 148397988 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 134053 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 6102205 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 6236258 |
| IRS990/Desc | 0 | WESTERN GOVERNORS UNIVERSITY IS AN ONLINE UNIVERSITY DRIVEN BY A MISSION TO EXPAND ACCESS TO HIGHER EDUCATION THROUGH ONLINE, COMPETENCY-BASED DEGREE PROGRAMS. WGU HAS FLOURISHED INTO A NATIONAL UNIVERSITY, SERVING STUDENTS FROM ALL 50 STATES, AS OF THE END OF THE FISCAL YEAR COVERED BY THIS RETURN. THE UNIVERSITY CONTINUES TO OPEN DOORS FOR ADULT LEARNERS WHO NEED FLEXIBILITY TO ACHIEVE THEIR EDUCATION AND CAREER GOALS. WGU'S INNOVATIVE COMPETENCY-BASED ACADEMIC APPROACH MAKES IT POSSIBLE, ALLOWING INDIVIDUALS TO FIT THEIR EDUCATION INTO THEIR LIVES, NOT THE OTHER WAY AROUND. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 5899 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 630045943 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditPerformedInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 209154 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 171051 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 380205 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 120801 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 564773 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 685574 |
| IRS990/FeesForServicesLobbyingGrp/ManagementAndGeneralAmt | 0 | 736344 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 736344 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 1023703 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 32289093 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 33312796 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 1304828 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 1304828 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 11.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 1 | 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 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| 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 | 42405 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 30508 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 47317 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 19217 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 15449 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 26168 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 36159 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 23552 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 36391 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 26077 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 40370 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 34176 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 40003 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | THE HONORABLE JIM GERINGER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOHN W BLUFORD III |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | COLE CLARK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | DR THERESE CRANE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ROBERT E EVANSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | THE HONORABLE GARY HERBERT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | THE HONORABLE JOHN HICKENLOOPER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | TAMMY JOHNS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | LENNY MENDONCA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | SCOTT D PULSIPHER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | DAVID SIMMONS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | DR SAMUEL H SMITH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | DR CHARLES SORENSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | DR ROBERT MENDENHALL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | JESSIE WOOLEY-WILSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | JOE FULLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | DAVID GROW |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | DAVID LEASURE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | MARNI BAKER STEIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | MICHAEL BISCHOFF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | PATRICK PARTRIDGE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | MYLES VOGEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | DAMIAN COOPER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | CAREY HILDEBRAND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | MELISSA FLORES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | JASON LEVIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | SARAH DEMARK |
| 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 | 942735 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 1144646 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 364479 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 322113 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 200364 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 206850 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 344030 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 268664 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 297230 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 294504 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 257169 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 242232 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 230322 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | PRESIDENT & TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | PRESIDENT EMERITUS/TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | CHIEF FINANCIAL OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | PROVOST/CHIEF ACADEMIC OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | CHIEF ACADEMIC OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | CHIEF INFORMATION OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | CHIEF MARKETING OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | CHIEF INFORMATION OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | CHIEF TECHNOLOGY OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | VICE PRESIDENT OF MARKETING |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | VP OF STATE OPERATIONS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | VICE PRESIDENT, INSTITUTIONAL RESEARCH |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | VICE PRESIDENT, PORTFOLIO STRATEGY AND PROGRAM DEV |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1997 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | -11118 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 3643040 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 15 |
| IRS990/GovernmentGrantsAmt | 0 | 27106 |
| IRS990/GrantAmt | 0 | 43530968 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 43530968 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 43530968 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 27849 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 73698241 |
| IRS990/GrossReceiptsAmt | 0 | 739404499 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 13 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 103 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 513709 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 15720379 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 16234088 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 116978 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 1040521 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 1157499 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 419766 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 4271071 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 5548139 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 5548139 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 4682035 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 5481968 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 229162526 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 289663130 |
| IRS990/IRPDocumentCnt | 0 | 1067 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 20875238 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 7962151 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 9078408 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 29953646 |
| IRS990/LegalDomicileStateCd | 0 | UT |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 38967 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 70055201 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 1 |
| 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 | TO OPERATE AND ADMINISTER AN ORGANIZATION OF HIGHER LEARNING. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 135979841 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 155118425 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 3631922 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 3631922 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | -10397 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -575346 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 595456 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 6667101 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 7262557 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 293143 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 7141943 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 7435086 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 2393688 |