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| IRS990/ActivityOrMissionDesc | 0 | WILLITS HALLOWELL CENTER INC. IS A FULL-SERVICE CONFERENCE AND BANQUET FACILITY FOR USE BY MOUNT HOLYOKE COLLEGE FACULTY, STAFF, STUDENTS AND GUESTS AND OTHER ORGANIZATIONS WHOSE EVENT IS NOT-FOR-PROFIT IN NATURE OR OF EDUCATIONAL BENEFIT. |
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| IRS990/Desc | 0 | WILLITS HALLOWELL CENTER INC. HOSTS ACADEMIC CONFERENCES, WORKSHOPS, SOCIAL EVENTS AND SPECIAL OCCASIONS. COORDINATION OF MEETING AND DINING ROOMS, PROFESSIONAL CATERING OPTIONS AND OVERNIGHT ACCOMMODATIONS MAKE THE CENTER A ONE-STOP FACILITY FOR THE EVENT NEEDS OF MEMBERS OF THE MOUNT HOLYOKE COLLEGE COMMUNITY. DURING THE YEAR, WILLITS WAS USED FOR APPROXIMATELY 1,211 EVENTS AND 5,808 OVERNIGHT GUESTS. |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | ELIZABETH BARBEAU |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JENNIE BERKSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | LORI BETTISON-VARGA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | CATHERINE BURKE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | ELIZABETH COCHARY GROSS |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | CARRIANNA K FIELD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | ELLEN J FLANNERY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | HEATHER HARDE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | RHYNETTE NORTHCROSS HURD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | MARCIA BRUMIT KROPF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | DEBRA MARTIN CHASE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | MINDY MCWILLIAMS LEWIS |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | NATASHA MOHANTY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | ELLEN HYDE PACE |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 29 | ELIZABETH WEATHERMAN |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 31 | SONYA STEPHENS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 32 | SHANNON D GUREK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 33 | LENORE REILLY |
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| 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/ReportableCompFromRltdOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 28 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 29 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 30 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 31 | 444543 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 32 | 293974 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 33 | 158846 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 34 | 124033 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | CHAIR, BOARD OF TRUSTEES |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | ALUMNA TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | ALUMNA TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | ALUMNA TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | ALUMNA TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | VICE CHAIR, BOARD OF TRUSTEES |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 28 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 29 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 30 | ALUMNA TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 31 | PRESIDENT-ELECT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 32 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 33 | CLERK |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 34 | FORMER CLERK |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1975 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 1 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 32 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 1745423 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 903002 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 31 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 9512 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 9512 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 35635 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 28940 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 208387 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 208387 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| 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 | WILLITS HALLOWELL CENTER INC. IS A FULL-SERVICE CONFERENCE AND BANQUET FACILITY FOR USE BY MOUNT HOLYOKE COLLEGE FACULTY, STAFF, STUDENTS AND GUESTS AND OTHER ORGANIZATIONS WHOSE EVENT IS NOT-FOR-PROFIT IN NATURE OR OF EDUCATIONAL BENEFIT. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 19285 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 23011 |
| IRS990/NetIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 510501 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 609214 |
| IRS990/NetIncomeOrLossGrp/UnrelatedBusinessRevenueAmt | 0 | 98713 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | -61164 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 207388 |