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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 79705 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | THE RESTLESS LEGS SYNDROME FOUNDATION IS AN NOT-FOR-PROFIT ORGANIZATION DEDICATED TO: PROVIDING AND ENHANCING EDUCATIONAL MATERIALS ABOUT RESTLESS LEGS SYNDROME ("RLS") TO PATIENTS, PHYSICIANS, AND OTHER ALLIED HEALTHCARE PROVIDERS; ASSISTING PATIENTS BY IDENTIFYING RLS-RELATED RESOURCES AVAILABLE TO THEM AT THE LOCAL AND NATIONAL LEVEL; AND SUPPORTING MEDICAL RESEARCH INTO THE CAUSATION OF RLS AND POSSIBLE TREATMENTS OR CURES. |
| IRS990/AllOtherContributionsAmt | 0 | 641810 |
| IRS990/AmendedReturnInd | 0 | X |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | KARLA DZIENKOWSKI |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5123669109 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 3006 BEE CAVE RD NO D-206 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | AUSTIN |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | TX |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 78746 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 133770 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 157786 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
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| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 1756 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 6009 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 84678 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 92443 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 6156 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 9587 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 15743 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 779162 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 114 |
| IRS990/CYInvestmentIncomeAmt | 0 | 19660 |
| IRS990/CYOtherExpensesAmt | 0 | 584962 |
| IRS990/CYOtherRevenueAmt | 0 | 262 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -31332 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 214657 |
| IRS990/CYTotalExpensesAmt | 0 | 830416 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 65237 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 30683 |
| IRS990/CYTotalRevenueAmt | 0 | 799084 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 1335 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 25365 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 26700 |
| IRS990/Desc | 0 | EDUCATIONAL. PROVIDING TRUSTED, UNBIASED INFORMATION ABOUT RESTLESS LEG SYNDROME [ALSO KNOWN AS WILLIS-EKBOM DISEASE] TO INDIVIDUALS AND HEALTHCARE PROVIDERS THROUGH PUBLICATIONS, WEBINARS, A WEBSITE, SOCIAL MEDIA SITES, AND DIRECT COMMUNICATIONS. PUBLICATIONS INCLUDE: A GENERAL INFORMATIONAL BROCHURE ON RLS; A PEDIATRIC RLS GUIDE FOR TEENS, TWENTY-FOUR DIFFERENT HANDOUTS ON RLS-SPECIFIC TOPICS DIRECTED TOWARDS PATIENTS; A QUARTERLY MAGAZINE; MONTHLY E-NEWSLETTERS; TEN SPECIALTY BROCHURES DIRECTED TO HEALTHCARE PROVIDERS; AND A MEDICAL BULLETIN ISSUED AS DEVELOPMENTS MERIT. DURING THIS FISCAL YEAR, FOURTEEN WEBINARS ON RLS-RELATED TOPICS WERE OFFERED TO THE PUBLIC. OVER 1,800 PARTICIPANTS VIEWED THEIR WEBINARS. THE ORGANIZATION'S WEBSITE [WWW.RLS.ORG] ATTRACTS OVER 172,000 ONLINE VISITORS THAT GENERATE OVER 412,820 PAGE VIEWS EACH YEAR. THE RLS FACEBOOK PAGE HAS 11,736 SUPPORTERS AND PARTICIPANTS. THE RLSF BLOG RECEIVES OVER 511,655 PAGE VIEWS. THE RLSF YOUTUBE CHANNEL HAS RECEIVED OVER 42,680 VIEWS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 6 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 483368 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 58603 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 58603 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 5344 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 60644 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 65988 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 30683 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 30683 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 1579 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 1579 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form1098CFiledInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form8899Filedind | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| 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/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | 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/OtherCompensationAmt | 0 | 0 |
| 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 8038 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | LEWIS PHELPS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ROBERT WATERMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | LINDA SECRETAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | RONALD W BARRETT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JACQUELYN BAINBRIDGE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | STEVE MCCANN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | SANDRA KATANICK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | PAUL ROCHESTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | CARLA RAHN PHILLIPS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | SHALINI PARUTHI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | MICHAEL J ZIGMOND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | STARLA PHELPS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | KARLA DZIENKOWSKI |
| 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 | 80384 |
| 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 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | CHAIRMAN EMERITUS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | EXECUTIVE DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1993 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 2787 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 12 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 127053 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 36296 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 114 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 114 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 115178 |
| IRS990/GrossReceiptsAmt | 0 | 911475 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 12 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 805 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 805 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 44464 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 46074 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 83 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 284 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 3998 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 4365 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 16873 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 16873 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 288766 |
| IRS990/IRPDocumentCnt | 0 | 5 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/JointCostsInd | 0 | X |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 53400 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 53300 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 26600 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 80000 |
| IRS990/LegalDomicileStateCd | 0 | TX |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 112391 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembershipDuesAmt | 0 | 137352 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | THE RESTLESS LEGS SYNDROME FOUNDATION IS AN NOT-FOR-PROFIT ORGANIZATION DEDICATED TO: PROVIDING AND ENHANCING EDUCATIONAL MATERIALS ABOUT RESTLESS LEGS SYNDROME ("RLS") TO PATIENTS, PHYSICIANS, AND OTHER ALLIED HEALTHCARE PROVIDERS; ASSISTING PATIENTS BY IDENTIFYING RLS-RELATED RESOURCES AVAILABLE TO THEM AT THE LOCAL AND NATIONAL LEVEL; AND SUPPORTING MEDICAL RESEARCH INTO THE CAUSATION OF RLS AND POSSIBLE TREATMENTS OR CURES. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 417910 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 378549 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 2787 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 2787 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -8029 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 941 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 2870 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 43533 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 47344 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 760 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 3862 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 112695 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 117317 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 1600 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 1600 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 11 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 36 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 509 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 556 |
| IRS990/OtherExpensesGrp/Desc | 0 | COMMUNITY OUTREACH |
| IRS990/OtherExpensesGrp/Desc | 1 | COMMUNITY INTERACTIONS |
| IRS990/OtherExpensesGrp/Desc | 2 | STATE REGISTRATION FEES |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 15010 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 11510 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 107484 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 65568 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 107484 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 80578 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 11510 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 32560 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISC PRODUCT SALES |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 262 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 262 |
| IRS990/OtherRevenueTotalAmt | 0 | 262 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 1881 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 6437 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 90708 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 99026 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 289 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 989 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 13937 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 15215 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 141 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 482 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 6794 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 7417 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 14034 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 19798 |
| IRS990/PrincipalOfficerNm | 0 | KARLA DZIENKOWSKI |
| IRS990/ProfessionalFundraisingInd | 0 | 1 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | MEMBERSHIP. RLSF SERVES AS A SUPPORT STRUCTURE FOR OVER 16,000 INDIVIDUALS WHO, ON AN ANNUAL BASIS, SEEK INFORMATION ON RLS, EITHER AS ONE WHO SUFFERS FROM THE DISEASE OR AS ONE WHO HAS A FRIEND OR LOVED ONE WHO SUFFERS FROM THE DISEASE. OVER 5,000 INDIVIDUALS HAVE JOINED RLSF AND TAKE ADVANTAGE OF THE CLEARING-HOUSE OF SERVICES THAT PROVIDE INFORMATION ON LATEST DEVELOPMENTS IN TREATMENT, COUNSELING, AND CONVERSATION WITH OTHERS WHO SHARE THE AFFLICTION. OVER 325 HEALTH CARE PROFESSIONALS SPECIALIZING IN THE TREATMENT OF RLS PARTICIPATE IN PROVIDING INFORMATION. MEMBER BENEFITS INCLUDE ACCESS TO A PROPRIETARY DATABASE FOR TREATMENT INFORMATION, A QUARTERLY NEWS MAGAZINE, A SUBSCRIPTION TO A MEDICAL BULLETIN FOR HEALTH-CARE PROVIDERS, A MEDICAL-ALERT CARD, AND ACCESS THE MEMBERS-ONLY SECTION OF THE RLS WEBSITE. THE MEMBER WEBSITE PROVIDES VISITORS WITH INFORMATION ABOUT RLS, TREATMENT PROTOCOLS, RESEARCH ADVANCEMENTS, DISCUSSION PANELS, AND LINKS TO RLSF SOCIAL MEDIA. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 148868 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | RESEARCH. THE RLSF SUPPORTS AND FUNDS RLS-RELATED RESEARCH PROJECTS. DURING THE CURRENT FISCAL YEAR, GRANTS WERE MADE TO RESEARCHERS STUDYING: A POTENTIAL THERAPY FOR THE TREATMENT OF RLS AND A MULTI-CENTER LONGITUDINAL PILOT OBSERVATIONAL STUDY OF THE EFFICACY AND TOLERABILITY OF LONG-TERM TREATMENT OF RLS USING OPIOIDS. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 9669 |
| IRS990/ProgSrvcAccomActy3Grp/GrantAmt | 0 | 114 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | SUPPORT GROUPS: RLSF SUPPORTS SEVENTY SUPPORT GROUP LEADERS AND CONTACT VOLUNTEERS IN THIRTY-TWO STATES AND CANADA. THE LEADERS HOLD AT LEAST ONE IN-PERSON MEETING PER YEAR IN THEIR LOCAL COMMUNITY. AT THESE MEETINGS, RLS-SUPPORTED EDUCATIONAL MATERIALS ARE DISTRIBUTED. FURTHERMORE, THE LOCAL LEADER WORKS WITH LOCAL HEALTH CARE PROVIDERS TO ENSURE THAT RLS PATIENTS HAVE ACCESS TO TIMELY INFORMATION ON THE DISEASE. THE ESTIMATED NUMBER OF UNIQUE INDIVIDUALS REACHED THROUGH SUPPORT GROUPS IS OVER 1,000 PEOPLE PER YEAR. |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 29709 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 751667 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 181532 |
| IRS990/PYInvestmentIncomeAmt | 0 | 39390 |
| IRS990/PYOtherExpensesAmt | 0 | 413154 |
| IRS990/PYOtherRevenueAmt | 0 | 1707 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -114684 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 226262 |
| IRS990/PYTotalExpensesAmt | 0 | 907448 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 86500 |
| IRS990/PYTotalRevenueAmt | 0 | 792764 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -31332 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 378011 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearAmt | 0 | 29249 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus1YearAmt | 0 | 60062 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 89311 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 779162 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 751667 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 760623 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 625490 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 380915 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 3297857 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 16873 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 39390 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 31785 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 17772 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 18724 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 124544 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 262 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 1707 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 185 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 2154 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 16873 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 39390 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 31785 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 17772 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 18724 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 124544 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.03640 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.03000 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.93760 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.96230 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 3210700 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearAmt | 0 | 29249 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus1YearAmt | 0 | 60062 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 89311 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 779424 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 753374 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 760808 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 625490 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 380915 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 3300011 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 796297 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 792764 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 792593 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 643262 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 399639 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 3424555 |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 830416 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | -8029 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 26600 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 53400 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 80000 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | -8029 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 799084 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE MOST SIGNIFICANT TAX POSITIONS OF THE FOUNDATION ARE ITS ASSERTION THAT IT IS EXEMPT FROM INCOME TAXES AND ITS DETERMINATION OF WHETHER ANY AMOUNTS ARE SUBJECT TO UNRELATED BUSINESS INCOME TAX (UBIT). MANAGEMENT HAS DETERMINED THAT THE FOUNDATION HAD NO ACTIVITY SUBJECT TO UBIT DURING THE FISCAL YEARS ENDED SEPTEMBER 30, 2018 AND 2017. ALL SIGNIFICANT TAX POSITIONS HAVE BEEN CONSIDERED BY MANAGEMENT AND IT HAS DETERMINED THAT IT IS MORE LIKELY THAN NOT THAT ALL TAX POSITIONS WOULD BE SUSTAINED UPON EXAMINATION BY TAXING AUTHORITIES. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 26600 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 830416 |