<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>199</ContextCount>
  <ElementCount>354</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>71</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>9</UnitCount>
  <MyReports>
    <Report instance="elev-20241231x10k.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.elevationoncology.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>995200100 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/StatementConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>995200105 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/StatementConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>995200200 - Statement - Consolidated Statements of Operations and Comprehensive Loss</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Loss</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>995200300 - Statement - Consolidated Statements of Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/StatementConsolidatedStatementsOfStockholdersEquity</Role>
      <ShortName>Consolidated Statements of Stockholders' Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>995200305 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/StatementConsolidatedStatementsOfStockholdersEquityParenthetical</Role>
      <ShortName>Consolidated Statements of Stockholders' Equity (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>995200400 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/StatementConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995210101 - Disclosure - NATURE OF BUSINESS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureNatureOfBusiness</Role>
      <ShortName>NATURE OF BUSINESS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="elev-20241231x10k.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.elevationoncology.com/role/DisclosureSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995210301 - Disclosure - FAIR VALUE MEASUREMENTS OF FINANCIAL ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureFairValueMeasurementsOfFinancialAssets</Role>
      <ShortName>FAIR VALUE MEASUREMENTS OF FINANCIAL ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995210401 - Disclosure - MARKETABLE SECURITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureMarketableSecurities</Role>
      <ShortName>MARKETABLE SECURITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995210501 - Disclosure - ACCRUED EXPENSES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureAccruedExpenses</Role>
      <ShortName>ACCRUED EXPENSES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995210601 - Disclosure - RESTRUCTURING CHARGES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureRestructuringCharges</Role>
      <ShortName>RESTRUCTURING CHARGES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995210701 - Disclosure - DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureDebt</Role>
      <ShortName>DEBT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995210801 - Disclosure - K2 WARRANT AND AMENDMENT WARRANT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureK2WarrantAndAmendmentWarrant</Role>
      <ShortName>K2 WARRANT AND AMENDMENT WARRANT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995210901 - Disclosure - EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureEquity</Role>
      <ShortName>EQUITY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995211001 - Disclosure - STOCK-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureStockBasedCompensation</Role>
      <ShortName>STOCK-BASED COMPENSATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995211101 - Disclosure - ASSET PURCHASE AND LICENSE AGREEMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureAssetPurchaseAndLicenseAgreements</Role>
      <ShortName>ASSET PURCHASE AND LICENSE AGREEMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995211201 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureCommitmentsAndContingencies</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995211301 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureIncomeTaxes</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995211401 - Disclosure - NET LOSS PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureNetLossPerShare</Role>
      <ShortName>NET LOSS PER SHARE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995211501 - Disclosure - DEFINED CONTRIBUTION PLAN</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureDefinedContributionPlan</Role>
      <ShortName>DEFINED CONTRIBUTION PLAN</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.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>23</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.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>24</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure</Role>
      <ShortName>Cybersecurity Risk Management and Strategy Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>99920202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>99930203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>99930303 - Disclosure - FAIR VALUE MEASUREMENTS OF FINANCIAL ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureFairValueMeasurementsOfFinancialAssetsTables</Role>
      <ShortName>FAIR VALUE MEASUREMENTS OF FINANCIAL ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureFairValueMeasurementsOfFinancialAssets</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>99930403 - Disclosure - MARKETABLE SECURITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureMarketableSecuritiesTables</Role>
      <ShortName>MARKETABLE SECURITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureMarketableSecurities</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>99930503 - Disclosure - ACCRUED EXPENSES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureAccruedExpensesTables</Role>
      <ShortName>ACCRUED EXPENSES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureAccruedExpenses</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>99930703 - Disclosure - DEBT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureDebtTables</Role>
      <ShortName>DEBT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureDebt</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>99930803 - Disclosure - K2 WARRANT AND AMENDMENT WARRANT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureK2WarrantAndAmendmentWarrantTables</Role>
      <ShortName>K2 WARRANT AND AMENDMENT WARRANT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureK2WarrantAndAmendmentWarrant</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>99930903 - Disclosure - EQUITY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureEquityTables</Role>
      <ShortName>EQUITY (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureEquity</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>99931003 - Disclosure - STOCK-BASED COMPENSATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureStockBasedCompensationTables</Role>
      <ShortName>STOCK-BASED COMPENSATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureStockBasedCompensation</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>99931303 - Disclosure - INCOME TAXES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureIncomeTaxesTables</Role>
      <ShortName>INCOME TAXES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureIncomeTaxes</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>99931403 - Disclosure - NET LOSS PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureNetLossPerShareTables</Role>
      <ShortName>NET LOSS PER SHARE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureNetLossPerShare</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>99940101 - Disclosure - NATURE OF BUSINESS - Incorporation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureNatureOfBusinessIncorporationDetails</Role>
      <ShortName>NATURE OF BUSINESS - Incorporation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>99940102 - Disclosure - NATURE OF BUSINESS - Liquidity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureNatureOfBusinessLiquidityDetails</Role>
      <ShortName>NATURE OF BUSINESS - Liquidity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>99940201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>99940202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of segment reporting (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSegmentReportingDetails</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of segment reporting (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>99940301 - Disclosure - FAIR VALUE MEASUREMENTS OF FINANCIAL ASSETS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureFairValueMeasurementsOfFinancialAssetsDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS OF FINANCIAL ASSETS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureFairValueMeasurementsOfFinancialAssetsTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>99940401 - Disclosure - MARKETABLE SECURITIES - Fair Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureMarketableSecuritiesFairValueDetails</Role>
      <ShortName>MARKETABLE SECURITIES - Fair Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>99940501 - Disclosure - ACCRUED EXPENSES - Schedule (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureAccruedExpensesScheduleDetails</Role>
      <ShortName>ACCRUED EXPENSES - Schedule (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>99940601 - Disclosure - RESTRUCTURING CHARGES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureRestructuringChargesNarrativeDetails</Role>
      <ShortName>RESTRUCTURING CHARGES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>99940701 - Disclosure - DEBT - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureDebtNarrativeDetails</Role>
      <ShortName>DEBT - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>99940702 - Disclosure - DEBT- Long term debt and unamortized discount balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureDebtLongTermDebtAndUnamortizedDiscountBalancesDetails</Role>
      <ShortName>DEBT- Long term debt and unamortized discount balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>99940703 - Disclosure - DEBT - Interest Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureDebtInterestExpenseDetails</Role>
      <ShortName>DEBT - Interest Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>99940704 - Disclosure - DEBT - Future principal payments schedule (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureDebtFuturePrincipalPaymentsScheduleDetails</Role>
      <ShortName>DEBT - Future principal payments schedule (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>99940801 - Disclosure - K2 WARRANT AND AMENDMENT WARRANT - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureK2WarrantAndAmendmentWarrantNarrativeDetails</Role>
      <ShortName>K2 WARRANT AND AMENDMENT WARRANT - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>99940802 - Disclosure - K2 WARRANT AND AMENDMENT WARRANT - Fair value assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureK2WarrantAndAmendmentWarrantFairValueAssumptionsDetails</Role>
      <ShortName>K2 WARRANT AND AMENDMENT WARRANT - Fair value assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>99940901 - Disclosure - EQUITY - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureEquityNarrativeDetails</Role>
      <ShortName>EQUITY - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>99940902 - Disclosure - EQUITY - At-the-Market Offering (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureEquityAtMarketOfferingDetails</Role>
      <ShortName>EQUITY - At-the-Market Offering (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>99940903 - Disclosure - EQUITY - Warrants outstanding (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureEquityWarrantsOutstandingDetails</Role>
      <ShortName>EQUITY - Warrants outstanding (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>99940904 - Disclosure - EQUITY - Fair value assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureEquityFairValueAssumptionsDetails</Role>
      <ShortName>EQUITY - Fair value assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>99941001 - Disclosure - STOCK-BASED COMPENSATION - Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureStockBasedCompensationExpenseDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>99941002 - Disclosure - STOCK-BASED COMPENSATION - Stock incentive plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureStockBasedCompensationStockIncentivePlansDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Stock incentive plans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>99941003 - Disclosure - STOCK-BASED COMPENSATION - Stock options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureStockBasedCompensationStockOptionsDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Stock options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>99941004 - Disclosure - STOCK-BASED COMPENSATION - Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureStockBasedCompensationAssumptionsDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>99941005 - Disclosure - STOCK-BASED COMPENSATION - Restricted Common Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureStockBasedCompensationRestrictedCommonStockDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Restricted Common Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>99941006 - Disclosure - STOCK-BASED COMPENSATION - Restricted Stock Units (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureStockBasedCompensationRestrictedStockUnitsDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Restricted Stock Units (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>99941101 - Disclosure - ASSET PURCHASE AND LICENSE AGREEMENTS - License Agreements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureAssetPurchaseAndLicenseAgreementsLicenseAgreementsDetails</Role>
      <ShortName>ASSET PURCHASE AND LICENSE AGREEMENTS - License Agreements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>99941102 - Disclosure - ASSET PURCHASE AND LICENSE AGREEMENTS - Merrimack Asset Purchase Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureAssetPurchaseAndLicenseAgreementsMerrimackAssetPurchaseAgreementDetails</Role>
      <ShortName>ASSET PURCHASE AND LICENSE AGREEMENTS - Merrimack Asset Purchase Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>99941301 - Disclosure - INCOME TAXES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureIncomeTaxesDetails</Role>
      <ShortName>INCOME TAXES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureIncomeTaxesTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>99941302 - Disclosure - INCOME TAXES - Schedule of effective income tax rate reconciliation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureIncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails</Role>
      <ShortName>INCOME TAXES - Schedule of effective income tax rate reconciliation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>99941303 - Disclosure - INCOME TAXES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureIncomeTaxesNarrativeDetails</Role>
      <ShortName>INCOME TAXES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>99941304 - Disclosure - INCOME TAXES - Schedule of net deferred tax asset (liability) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureIncomeTaxesScheduleOfNetDeferredTaxAssetLiabilityDetails</Role>
      <ShortName>INCOME TAXES - Schedule of net deferred tax asset (liability) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>99941401 - Disclosure - NET LOSS PER SHARE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureNetLossPerShareDetails</Role>
      <ShortName>NET LOSS PER SHARE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureNetLossPerShareTables</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>99941402 - Disclosure - NET LOSS PER SHARE - Antidilutive securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureNetLossPerShareAntidilutiveSecuritiesDetails</Role>
      <ShortName>NET LOSS PER SHARE - Antidilutive securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="elev-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>99941501 - Disclosure - DEFINED CONTRIBUTION PLAN (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.elevationoncology.com/role/DisclosureDefinedContributionPlanDetails</Role>
      <ShortName>DEFINED CONTRIBUTION PLAN (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.elevationoncology.com/role/DisclosureDefinedContributionPlan</ParentRole>
      <Position>69</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>elev-20241231.xsd</File>
    <File>elev-20241231_cal.xml</File>
    <File>elev-20241231_def.xml</File>
    <File>elev-20241231_lab.xml</File>
    <File>elev-20241231_pre.xml</File>
    <File doctype="10-K" isDefinitelyFs="true" isUsgaap="true" original="elev-20241231x10k.htm">elev-20241231x10k.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>elev-20241231x10k001.jpg</File>
    <File>elev-20241231x10k002.jpg</File>
    <File>elev-20241231x10k003.jpg</File>
    <File>elev-20241231x10k004.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="600">http://fasb.org/us-gaap/2024</BaseTaxonomy>
    <BaseTaxonomy items="15">http://xbrl.sec.gov/cyd/2024</BaseTaxonomy>
    <BaseTaxonomy items="40">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2024</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
