<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.19.3</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>244</ContextCount>
  <ElementCount>409</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>79</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001001 - Document - Cover page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/Coverpage</Role>
      <ShortName>Cover page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1002003 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1003004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1004005 - Statement - CONDENSED CONSOLIDATED STATEMENT OF EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTOFEQUITY</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENT OF EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1005006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>2101101 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/BASISOFPRESENTATIONANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES</Role>
      <ShortName>BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>2103102 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/TOPIC842ADOPTIONIMPACTANDLEASES</Role>
      <ShortName>TOPIC 842 ADOPTION IMPACT AND LEASES:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>2109103 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERS</Role>
      <ShortName>REVENUE FROM CONTRACTS WITH CUSTOMERS:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>2113104 - Disclosure - EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS??? EQUITY:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/EARNINGSLOSSPERSHAREANDSTOCKHOLDERSEQUITY</Role>
      <ShortName>EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS??? EQUITY:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2118105 - Disclosure - ACQUISITIONS:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/ACQUISITIONS</Role>
      <ShortName>ACQUISITIONS:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2125106 - Disclosure - DISCONTINUED OPERATIONS:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/DISCONTINUEDOPERATIONS</Role>
      <ShortName>DISCONTINUED OPERATIONS:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2130107 - Disclosure - STOCK-BASED COMPENSATION:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/STOCKBASEDCOMPENSATION</Role>
      <ShortName>STOCK-BASED COMPENSATION:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2139108 - Disclosure - OTHER CURRENT AND NONCURRENT ASSETS:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/OTHERCURRENTANDNONCURRENTASSETS</Role>
      <ShortName>OTHER CURRENT AND NONCURRENT ASSETS:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2142109 - Disclosure - OTHER ACCRUED EXPENSES:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/OTHERACCRUEDEXPENSES</Role>
      <ShortName>OTHER ACCRUED EXPENSES:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2145110 - Disclosure - PROPERTY AND EQUIPMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/PROPERTYANDEQUIPMENT</Role>
      <ShortName>PROPERTY AND EQUIPMENT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2148111 - Disclosure - GOODWILL AND INTANGIBLE ASSETS:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/GOODWILLANDINTANGIBLEASSETS</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2153112 - Disclosure - SOFTWARE:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/SOFTWARE</Role>
      <ShortName>SOFTWARE:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2157113 - Disclosure - ALLOWANCE FOR DOUBTFUL ACCOUNTS:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/ALLOWANCEFORDOUBTFULACCOUNTS</Role>
      <ShortName>ALLOWANCE FOR DOUBTFUL ACCOUNTS:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2159114 - Disclosure - RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/RESTRUCTURINGIMPAIRMENTANDOTHERCHARGES</Role>
      <ShortName>RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2164115 - Disclosure - COMMITMENTS AND CONTINGENCIES:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/COMMITMENTSANDCONTINGENCIES</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2165116 - Disclosure - INCOME TAXES:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2166117 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS:</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/FAIRVALUEOFFINANCIALINSTRUMENTS</Role>
      <ShortName>FAIR VALUE OF FINANCIAL INSTRUMENTS:</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2202201 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/BASISOFPRESENTATIONANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies</Role>
      <ShortName>BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2304301 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/TOPIC842ADOPTIONIMPACTANDLEASESTables</Role>
      <ShortName>TOPIC 842 ADOPTION IMPACT AND LEASES: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/TOPIC842ADOPTIONIMPACTANDLEASES</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2310302 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSTables</Role>
      <ShortName>REVENUE FROM CONTRACTS WITH CUSTOMERS: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERS</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2314303 - Disclosure - EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS??? EQUITY: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/EARNINGSLOSSPERSHAREANDSTOCKHOLDERSEQUITYTables</Role>
      <ShortName>EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS??? EQUITY: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/EARNINGSLOSSPERSHAREANDSTOCKHOLDERSEQUITY</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2319304 - Disclosure - ACQUISITIONS: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/ACQUISITIONSTables</Role>
      <ShortName>ACQUISITIONS: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/ACQUISITIONS</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2326305 - Disclosure - DISCONTINUED OPERATIONS: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/DISCONTINUEDOPERATIONSTables</Role>
      <ShortName>DISCONTINUED OPERATIONS: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/DISCONTINUEDOPERATIONS</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2331306 - Disclosure - STOCK-BASED COMPENSATION: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/STOCKBASEDCOMPENSATIONTables</Role>
      <ShortName>STOCK-BASED COMPENSATION: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/STOCKBASEDCOMPENSATION</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2340307 - Disclosure - OTHER CURRENT AND NONCURRENT ASSETS: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/OTHERCURRENTANDNONCURRENTASSETSTables</Role>
      <ShortName>OTHER CURRENT AND NONCURRENT ASSETS: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/OTHERCURRENTANDNONCURRENTASSETS</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2343308 - Disclosure - OTHER ACCRUED EXPENSES: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/OTHERACCRUEDEXPENSESTables</Role>
      <ShortName>OTHER ACCRUED EXPENSES: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/OTHERACCRUEDEXPENSES</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2346309 - Disclosure - PROPERTY AND EQUIPMENT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/PROPERTYANDEQUIPMENTTables</Role>
      <ShortName>PROPERTY AND EQUIPMENT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/PROPERTYANDEQUIPMENT</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2349310 - Disclosure - GOODWILL AND INTANGIBLE ASSETS: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/GOODWILLANDINTANGIBLEASSETSTables</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/GOODWILLANDINTANGIBLEASSETS</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2354311 - Disclosure - SOFTWARE: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/SOFTWARETables</Role>
      <ShortName>SOFTWARE: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/SOFTWARE</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>2360312 - Disclosure - RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/RESTRUCTURINGIMPAIRMENTANDOTHERCHARGESTables</Role>
      <ShortName>RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/RESTRUCTURINGIMPAIRMENTANDOTHERCHARGES</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>2367313 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS: (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSTables</Role>
      <ShortName>FAIR VALUE OF FINANCIAL INSTRUMENTS: (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/FAIRVALUEOFFINANCIALINSTRUMENTS</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>2405401 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/TOPIC842ADOPTIONIMPACTANDLEASESNarrativeDetails</Role>
      <ShortName>TOPIC 842 ADOPTION IMPACT AND LEASES: Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>2406402 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: Operating Lease, Liability Maturity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/TOPIC842ADOPTIONIMPACTANDLEASESOperatingLeaseLiabilityMaturityDetails</Role>
      <ShortName>TOPIC 842 ADOPTION IMPACT AND LEASES: Operating Lease, Liability Maturity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>2407403 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: Supplemental information related to operating leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/TOPIC842ADOPTIONIMPACTANDLEASESSupplementalinformationrelatedtooperatingleasesDetails</Role>
      <ShortName>TOPIC 842 ADOPTION IMPACT AND LEASES: Supplemental information related to operating leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>2408404 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: Future minimum lease payments under all noncancellable operating leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/TOPIC842ADOPTIONIMPACTANDLEASESFutureminimumleasepaymentsunderallnoncancellableoperatingleasesDetails</Role>
      <ShortName>TOPIC 842 ADOPTION IMPACT AND LEASES: Future minimum lease payments under all noncancellable operating leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>2411405 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS: Disaggregation of Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSDisaggregationofRevenueDetails</Role>
      <ShortName>REVENUE FROM CONTRACTS WITH CUSTOMERS: Disaggregation of Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>2412406 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS: Transaction Price Allocated to the Remaining Performance Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails</Role>
      <ShortName>REVENUE FROM CONTRACTS WITH CUSTOMERS: Transaction Price Allocated to the Remaining Performance Obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>2415407 - Disclosure - EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS??? EQUITY: Reconciliation of basic and diluted earnings (loss) per share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/EARNINGSLOSSPERSHAREANDSTOCKHOLDERSEQUITYReconciliationofbasicanddilutedearningslosspershareDetails</Role>
      <ShortName>EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS??? EQUITY: Reconciliation of basic and diluted earnings (loss) per share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/EARNINGSLOSSPERSHAREANDSTOCKHOLDERSEQUITYTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>2416408 - Disclosure - EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS??? EQUITY: Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/EARNINGSLOSSPERSHAREANDSTOCKHOLDERSEQUITYNarrativeDetails</Role>
      <ShortName>EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS??? EQUITY: Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/EARNINGSLOSSPERSHAREANDSTOCKHOLDERSEQUITYTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>2417409 - Disclosure - EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS??? EQUITY: Anti-dilutive shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/EARNINGSLOSSPERSHAREANDSTOCKHOLDERSEQUITYAntidilutivesharesDetails</Role>
      <ShortName>EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS??? EQUITY: Anti-dilutive shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/EARNINGSLOSSPERSHAREANDSTOCKHOLDERSEQUITYTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>2420410 - Disclosure - ACQUISITIONS: Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/ACQUISITIONSNarrativeDetails</Role>
      <ShortName>ACQUISITIONS: Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>2421411 - Disclosure - ACQUISITIONS: Composition of the total fair vale of consideration transferred (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/ACQUISITIONSCompositionofthetotalfairvaleofconsiderationtransferredDetails</Role>
      <ShortName>ACQUISITIONS: Composition of the total fair vale of consideration transferred (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>2422412 - Disclosure - ACQUISITIONS: Purchase price allocation related to assets acquired and liabilities assumed (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/ACQUISITIONSPurchasepriceallocationrelatedtoassetsacquiredandliabilitiesassumedDetails</Role>
      <ShortName>ACQUISITIONS: Purchase price allocation related to assets acquired and liabilities assumed (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>2423413 - Disclosure - ACQUISITIONS: Components of intangible assets acquired and their estimated useful lives as of the acquisition date (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/ACQUISITIONSComponentsofintangibleassetsacquiredandtheirestimatedusefullivesasoftheacquisitiondateDetails</Role>
      <ShortName>ACQUISITIONS: Components of intangible assets acquired and their estimated useful lives as of the acquisition date (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>2424414 - Disclosure - ACQUISITIONS: Schedule of Pro Forma Financial Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/ACQUISITIONSScheduleofProFormaFinancialInformationDetails</Role>
      <ShortName>ACQUISITIONS: Schedule of Pro Forma Financial Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>2427415 - Disclosure - DISCONTINUED OPERATIONS: Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/DISCONTINUEDOPERATIONSNarrativeDetails</Role>
      <ShortName>DISCONTINUED OPERATIONS: Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>2428416 - Disclosure - DISCONTINUED OPERATIONS: Reconciliation of the major classes of line items constituting earnings from discontinued operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/DISCONTINUEDOPERATIONSReconciliationofthemajorclassesoflineitemsconstitutingearningsfromdiscontinuedoperationsDetails</Role>
      <ShortName>DISCONTINUED OPERATIONS: Reconciliation of the major classes of line items constituting earnings from discontinued operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>2429417 - Disclosure - DISCONTINUED OPERATIONS: The related cash inflows and outflows and revenues and expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/DISCONTINUEDOPERATIONSTherelatedcashinflowsandoutflowsandrevenuesandexpensesDetails</Role>
      <ShortName>DISCONTINUED OPERATIONS: The related cash inflows and outflows and revenues and expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>2432418 - Disclosure - STOCK-BASED COMPENSATION: (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/STOCKBASEDCOMPENSATIONDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION: (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/STOCKBASEDCOMPENSATIONTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>2433419 - Disclosure - STOCK-BASED COMPENSATION: Stock-based compensation activity, by award type (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/STOCKBASEDCOMPENSATIONStockbasedcompensationactivitybyawardtypeDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION: Stock-based compensation activity, by award type (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>2434420 - Disclosure - STOCKHOLDERS' EQUITY: Future expense, by award type (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/STOCKHOLDERSEQUITYFutureexpensebyawardtypeDetails</Role>
      <ShortName>STOCKHOLDERS' EQUITY: Future expense, by award type (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>2435421 - Disclosure - STOCK-BASED COMPENSATION: Performance Stock Option Unit Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/STOCKBASEDCOMPENSATIONPerformanceStockOptionUnitActivityDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION: Performance Stock Option Unit Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>2436422 - Disclosure - STOCK-BASED COMPENSATION: Stock options outstanding and exercisable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/STOCKBASEDCOMPENSATIONStockoptionsoutstandingandexercisableDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION: Stock options outstanding and exercisable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>2437423 - Disclosure - STOCK-BASED COMPENSATION: Non vested time vesting restricted stock unit activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/STOCKBASEDCOMPENSATIONNonvestedtimevestingrestrictedstockunitactivityDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION: Non vested time vesting restricted stock unit activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>2438424 - Disclosure - STOCK-BASED COMPENSATION: Other (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/STOCKBASEDCOMPENSATIONOtherDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION: Other (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/STOCKBASEDCOMPENSATIONTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>2441425 - Disclosure - OTHER CURRENT AND NONCURRENT ASSETS: (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/OTHERCURRENTANDNONCURRENTASSETSDetails</Role>
      <ShortName>OTHER CURRENT AND NONCURRENT ASSETS: (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/OTHERCURRENTANDNONCURRENTASSETSTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>2444426 - Disclosure - OTHER ACCRUED EXPENSES: (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/OTHERACCRUEDEXPENSESDetails</Role>
      <ShortName>OTHER ACCRUED EXPENSES: (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/OTHERACCRUEDEXPENSESTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>2447427 - Disclosure - PROPERTY AND EQUIPMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/PROPERTYANDEQUIPMENTDetails</Role>
      <ShortName>PROPERTY AND EQUIPMENT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/PROPERTYANDEQUIPMENTTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>2450428 - Disclosure - GOODWILL AND INTANGIBLE ASSETS: (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/GOODWILLANDINTANGIBLEASSETSDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS: (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/GOODWILLANDINTANGIBLEASSETSTables</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>2451429 - Disclosure - GOODWILL AND INTANGIBLE ASSETS: - Amounts allocated to intangible assets from acquisitions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/GOODWILLANDINTANGIBLEASSETSAmountsallocatedtointangibleassetsfromacquisitionsDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS: - Amounts allocated to intangible assets from acquisitions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>2452430 - Disclosure - GOODWILL AND INTANGIBLE ASSETS: - Estimated future amortization expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/GOODWILLANDINTANGIBLEASSETSEstimatedfutureamortizationexpensesDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS: - Estimated future amortization expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>2455431 - Disclosure - Schedule of Software (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/ScheduleofSoftwareDetails</Role>
      <ShortName>Schedule of Software (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>2456432 - Disclosure - SOFTWARE: (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/SOFTWAREDetails</Role>
      <ShortName>SOFTWARE: (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/SOFTWARETables</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>2458433 - Disclosure - ALLOWANCE FOR DOUBTFUL ACCOUNTS: (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/ALLOWANCEFORDOUBTFULACCOUNTSDetails</Role>
      <ShortName>ALLOWANCE FOR DOUBTFUL ACCOUNTS: (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/ALLOWANCEFORDOUBTFULACCOUNTS</ParentRole>
      <Position>70</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>2461434 - Disclosure - RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Summary of restructuring activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/RESTRUCTURINGIMPAIRMENTANDOTHERCHARGESSummaryofrestructuringactivityDetails</Role>
      <ShortName>RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Summary of restructuring activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>2462435 - Disclosure - RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/RESTRUCTURINGIMPAIRMENTANDOTHERCHARGESNarrativeDetails</Role>
      <ShortName>RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/RESTRUCTURINGIMPAIRMENTANDOTHERCHARGESTables</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>2463436 - Disclosure - RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Gains, losses and other items (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/RESTRUCTURINGIMPAIRMENTANDOTHERCHARGESGainslossesandotheritemsDetails</Role>
      <ShortName>RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Gains, losses and other items (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>2468437 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS: (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.liveramp.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSDetails</Role>
      <ShortName>FAIR VALUE OF FINANCIAL INSTRUMENTS: (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.liveramp.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSTables</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="ramp-20190930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9999.htm</HtmlFileName>
      <LongName>Uncategorized Items - ramp-20190930.htm</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/role/uncategorizedFacts</Role>
      <ShortName>Uncategorized Items - ramp-20190930.htm</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" original="ramp-20190930.htm">ramp-20190930.htm</File>
    <File>a2020q2exhibit311.htm</File>
    <File>a2020q2exhibit312.htm</File>
    <File>a2020q2exhibit321.htm</File>
    <File>a2020q2exhibit322.htm</File>
    <File>ramp-20190930.xsd</File>
    <File>ramp-20190930_cal.xml</File>
    <File>ramp-20190930_def.xml</File>
    <File>ramp-20190930_lab.xml</File>
    <File>ramp-20190930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>ramp-20190930_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy>http://xbrl.sec.gov/country/2017-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/us-gaap/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/srt/2019-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
