<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>341</ContextCount>
  <ElementCount>317</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>82</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>9</UnitCount>
  <MyReports>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>995200090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>995200100 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/StatementCondensedConsolidatedBalanceSheets</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>995200105 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>995200200 - Statement - Condensed Consolidated Statements of Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/StatementCondensedConsolidatedStatementsOfIncomeLoss</Role>
      <ShortName>Condensed Consolidated Statements of Income (Loss)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>995200300 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLoss</Role>
      <ShortName>Condensed Consolidated Statements of Comprehensive Income (Loss)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>995200400 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Deficit)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/StatementCondensedConsolidatedStatementsOfStockholdersEquityDeficit</Role>
      <ShortName>Condensed Consolidated Statements of Stockholders' Equity (Deficit)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>995200500 - Statement - Condensed Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/StatementCondensedConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995210101 - Disclosure - Business and Organization</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureBusinessAndOrganization</Role>
      <ShortName>Business and Organization</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995210201 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995210301 - Disclosure - Non-controlling Interest</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureNonControllingInterest</Role>
      <ShortName>Non-controlling Interest</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995210401 - Disclosure - Earnings (Loss) Per Share, Dividends and Repurchases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureEarningsLossPerShareDividendsAndRepurchases</Role>
      <ShortName>Earnings (Loss) Per Share, Dividends and Repurchases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995210501 - Disclosure - Intangible Assets and Goodwill</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureIntangibleAssetsAndGoodwill</Role>
      <ShortName>Intangible Assets and Goodwill</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995210601 - Disclosure - Accrued Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureAccruedLiabilities</Role>
      <ShortName>Accrued Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995210701 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureDebt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995210801 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureFairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995210901 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995211001 - Disclosure - Equity-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureEquityBasedCompensation</Role>
      <ShortName>Equity-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995211101 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureCommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995211201 - Disclosure - Segment Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSegmentInformation</Role>
      <ShortName>Segment Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>99920202 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>99930203 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>99930303 - Disclosure - Non-controlling Interest (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureNonControllingInterestTables</Role>
      <ShortName>Non-controlling Interest (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureNonControllingInterest</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>99930403 - Disclosure - Earnings (Loss) Per Share, Dividends and Repurchases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureEarningsLossPerShareDividendsAndRepurchasesTables</Role>
      <ShortName>Earnings (Loss) Per Share, Dividends and Repurchases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureEarningsLossPerShareDividendsAndRepurchases</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>99930503 - Disclosure - Intangible Assets and Goodwill (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureIntangibleAssetsAndGoodwillTables</Role>
      <ShortName>Intangible Assets and Goodwill (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureIntangibleAssetsAndGoodwill</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>99930603 - Disclosure - Accrued Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureAccruedLiabilitiesTables</Role>
      <ShortName>Accrued Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureAccruedLiabilities</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>99930703 - Disclosure - Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureDebtTables</Role>
      <ShortName>Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureDebt</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>99930803 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureFairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureFairValueMeasurements</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>99931003 - Disclosure - Equity-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureEquityBasedCompensationTables</Role>
      <ShortName>Equity-Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureEquityBasedCompensation</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>99931203 - Disclosure - Segment Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSegmentInformationTables</Role>
      <ShortName>Segment Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureSegmentInformation</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>99940101 - Disclosure - Business and Organization (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureBusinessAndOrganizationDetails</Role>
      <ShortName>Business and Organization (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureBusinessAndOrganization</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>99940201 - Disclosure - Summary of Significant Accounting Policies - Schedule of Deferred Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfDeferredRevenueDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Deferred Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>99940202 - Disclosure - Summary of Significant Accounting Policies - Franchise Sales Commission and Other Contract Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesFranchiseSalesCommissionAndOtherContractCostsDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Franchise Sales Commission and Other Contract Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>99940203 - Disclosure - Summary of Significant Accounting Policies - Transaction Price (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTransactionPriceDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Transaction Price (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>99940204 - Disclosure - Summary of Significant Accounting Policies - Disaggregated Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDisaggregatedRevenueDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Disaggregated Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>99940205 - Disclosure - Summary of Significant Accounting Policies - Cash, Cash Equivalents and Restricted Cash (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesCashCashEquivalentsAndRestrictedCashDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Cash, Cash Equivalents and Restricted Cash (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>99940206 - Disclosure - Summary of Significant Accounting Policies - Services Provided to Marketing Funds by REMAX Franchising (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesServicesProvidedToMarketingFundsByRemaxFranchisingDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Services Provided to Marketing Funds by REMAX Franchising (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>99940207 - Disclosure - Summary of Significant Accounting Policies - Accounts and Notes Receivable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesAccountsAndNotesReceivableDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Accounts and Notes Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>99940208 - Disclosure - Summary of Significant Accounting Policies - Other Current Assets and Other Assets, Net of Current Portion (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesOtherCurrentAssetsAndOtherAssetsNetOfCurrentPortionDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Other Current Assets and Other Assets, Net of Current Portion (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>99940209 - Disclosure - Summary of Significant Accounting Policies - Property and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPropertyAndEquipmentDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Property and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>99940210 - Disclosure - Summary of Significant Accounting Policies - Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesLeasesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>99940211 - Disclosure - Summary of Significant Accounting Policies - Restructuring Charges (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesRestructuringChargesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Restructuring Charges (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>99940212 - Disclosure - Summary of Significant Accounting Policies - Foreign Currency Derivatives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesForeignCurrencyDerivativesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Foreign Currency Derivatives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>99940213 - Disclosure - Summary of Significant Accounting Policies - Arrangement Agreement and Plan of Merger with The Real Brokerage Inc (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSummaryOfSignificantAccountingPoliciesArrangementAgreementAndPlanOfMergerWithRealBrokerageIncDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Arrangement Agreement and Plan of Merger with The Real Brokerage Inc (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>99940301 - Disclosure - Non-controlling Interest - Ownership of Common Units in RMCO (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureNonControllingInterestOwnershipOfCommonUnitsInRmcoDetails</Role>
      <ShortName>Non-controlling Interest - Ownership of Common Units in RMCO (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>99940302 - Disclosure - Non-controlling Interest - Net Income (Loss) Reconciliation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureNonControllingInterestNetIncomeLossReconciliationDetails</Role>
      <ShortName>Non-controlling Interest - Net Income (Loss) Reconciliation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>99940401 - Disclosure - Earnings (Loss) Per Share, Dividends and Repurchases - Reconciliation of the Numerator and Denominator Used in Basic and Diluted EPS Calculations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureEarningsLossPerShareDividendsAndRepurchasesReconciliationOfNumeratorAndDenominatorUsedInBasicAndDilutedEpsCalculationsDetails</Role>
      <ShortName>Earnings (Loss) Per Share, Dividends and Repurchases - Reconciliation of the Numerator and Denominator Used in Basic and Diluted EPS Calculations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureEarningsLossPerShareDividendsAndRepurchasesTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>99940402 - Disclosure - Earnings (Loss) Per Share, Dividends and Repurchases - Dividends (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureEarningsLossPerShareDividendsAndRepurchasesDividendsDetails</Role>
      <ShortName>Earnings (Loss) Per Share, Dividends and Repurchases - Dividends (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureEarningsLossPerShareDividendsAndRepurchasesTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>99940403 - Disclosure - Earnings (Loss) Per Share, Dividends and Repurchases - Share Repurchases and Retirement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureEarningsLossPerShareDividendsAndRepurchasesShareRepurchasesAndRetirementDetails</Role>
      <ShortName>Earnings (Loss) Per Share, Dividends and Repurchases - Share Repurchases and Retirement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureEarningsLossPerShareDividendsAndRepurchasesTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>99940501 - Disclosure - Intangible Assets and Goodwill - Components of Company's Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureIntangibleAssetsAndGoodwillComponentsOfCompanySIntangibleAssetsDetails</Role>
      <ShortName>Intangible Assets and Goodwill - Components of Company's Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>99940502 - Disclosure - Intangible Assets and Goodwill - Estimated Future Amortization of Intangible Assets, Other Than Goodwill (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureIntangibleAssetsAndGoodwillEstimatedFutureAmortizationOfIntangibleAssetsOtherThanGoodwillDetails</Role>
      <ShortName>Intangible Assets and Goodwill - Estimated Future Amortization of Intangible Assets, Other Than Goodwill (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>99940503 - Disclosure - Intangible Assets and Goodwill - Schedule of Changes in Goodwill (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureIntangibleAssetsAndGoodwillScheduleOfChangesInGoodwillDetails</Role>
      <ShortName>Intangible Assets and Goodwill - Schedule of Changes in Goodwill (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>99940601 - Disclosure - Accrued Liabilities - Schedule of Accrued Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureAccruedLiabilitiesScheduleOfAccruedLiabilitiesDetails</Role>
      <ShortName>Accrued Liabilities - Schedule of Accrued Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>99940602 - Disclosure - Accrued Liabilities - Rollforward Related to Restructure (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureAccruedLiabilitiesRollforwardRelatedToRestructureDetails</Role>
      <ShortName>Accrued Liabilities - Rollforward Related to Restructure (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>99940701 - Disclosure - Debt - Schedule of Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureDebtScheduleOfDebtDetails</Role>
      <ShortName>Debt - Schedule of Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>99940702 - Disclosure - Debt - Schedule of Maturities of Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureDebtScheduleOfMaturitiesOfDebtDetails</Role>
      <ShortName>Debt - Schedule of Maturities of Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>99940703 - Disclosure - Debt - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureDebtAdditionalInformationDetails</Role>
      <ShortName>Debt - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>99940801 - Disclosure - Fair Value Measurements - Company's Liabilities Measured at Fair Value on a Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureFairValueMeasurementsCompanySLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails</Role>
      <ShortName>Fair Value Measurements - Company's Liabilities Measured at Fair Value on a Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>99940802 - Disclosure - Fair Value Measurements - Reconciliation of the Contingent Consideration (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureFairValueMeasurementsReconciliationOfContingentConsiderationDetails</Role>
      <ShortName>Fair Value Measurements - Reconciliation of the Contingent Consideration (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>99940803 - Disclosure - Fair Value Measurements - Schedule of Senior Secured Credit Facility (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureFairValueMeasurementsScheduleOfSeniorSecuredCreditFacilityDetails</Role>
      <ShortName>Fair Value Measurements - Schedule of Senior Secured Credit Facility (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>99940901 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureIncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureIncomeTaxes</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>99941001 - Disclosure - Equity-Based Compensation - 2023 Omnibus Incentive Plan (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureEquityBasedCompensation2023OmnibusIncentivePlanDetails</Role>
      <ShortName>Equity-Based Compensation - 2023 Omnibus Incentive Plan (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>99941002 - Disclosure - Equity-Based Compensation - Time-Based Restricted Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureEquityBasedCompensationTimeBasedRestrictedStockDetails</Role>
      <ShortName>Equity-Based Compensation - Time-Based Restricted Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>99941003 - Disclosure - Equity-Based Compensation - Performance-Based Restricted Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureEquityBasedCompensationPerformanceBasedRestrictedStockDetails</Role>
      <ShortName>Equity-Based Compensation - Performance-Based Restricted Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>99941101 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureCommitmentsAndContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.remax.com/role/DisclosureCommitmentsAndContingencies</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>99941201 - Disclosure - Segment Information - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSegmentInformationAdditionalInformationDetails</Role>
      <ShortName>Segment Information - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>99941202 - Disclosure - Segment Information - Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSegmentInformationRevenueDetails</Role>
      <ShortName>Segment Information - Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>99941203 - Disclosure - Segment Information - Reconciliation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSegmentInformationReconciliationDetails</Role>
      <ShortName>Segment Information - Reconciliation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>99941204 - Disclosure - Segment Information - Reconciliation of Adjusted EBITDA (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSegmentInformationReconciliationOfAdjustedEbitdaDetails</Role>
      <ShortName>Segment Information - Reconciliation of Adjusted EBITDA (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="rmax-20260630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>99941205 - Disclosure - Segment Information - Summary of Total Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.remax.com/role/DisclosureSegmentInformationSummaryOfTotalAssetsDetails</Role>
      <ShortName>Segment Information - Summary of Total Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>rmax-20260630.xsd</File>
    <File>rmax-20260630_cal.xml</File>
    <File>rmax-20260630_def.xml</File>
    <File>rmax-20260630_lab.xml</File>
    <File>rmax-20260630_pre.xml</File>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="rmax-20260630x10q.htm">rmax-20260630x10q.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>rmax-20260630x10q001.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="1">http://fasb.org/srt/2025</BaseTaxonomy>
    <BaseTaxonomy items="880">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="30">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="8">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
