<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.3</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>371</ContextCount>
  <ElementCount>383</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>75</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - COVER PAGE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/COVERPAGE</Role>
      <ShortName>COVER PAGE</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0000003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0000004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0000005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0000006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0000007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0000008 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0000009 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/DESCRIPTIONOFBUSINESSANDBASISOFPRESENTATION</Role>
      <ShortName>DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0000010 - Disclosure - REVENUE RECOGNITION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/REVENUERECOGNITION</Role>
      <ShortName>REVENUE RECOGNITION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0000011 - Disclosure - OTHER FINANCIAL INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/OTHERFINANCIALINFORMATION</Role>
      <ShortName>OTHER FINANCIAL INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0000012 - Disclosure - GOODWILL AND INTANGIBLE ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/GOODWILLANDINTANGIBLEASSETS</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0000013 - Disclosure - CASH EQUIVALENTS AND MARKETABLE SECURITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CASHEQUIVALENTSANDMARKETABLESECURITIES</Role>
      <ShortName>CASH EQUIVALENTS AND MARKETABLE SECURITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0000014 - Disclosure - WARRANTY OBLIGATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/WARRANTYOBLIGATIONS</Role>
      <ShortName>WARRANTY OBLIGATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>0000015 - Disclosure - FAIR VALUE MEASUREMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/FAIRVALUEMEASUREMENTS</Role>
      <ShortName>FAIR VALUE MEASUREMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>0000016 - Disclosure - DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/DEBT</Role>
      <ShortName>DEBT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>0000017 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/COMMITMENTSANDCONTINGENCIES</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>0000018 - Disclosure - STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/STOCKHOLDERSEQUITY</Role>
      <ShortName>STOCKHOLDERS' EQUITY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>0000019 - Disclosure - STOCK-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/STOCKBASEDCOMPENSATION</Role>
      <ShortName>STOCK-BASED COMPENSATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>0000020 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>0000021 - Disclosure - NET INCOME PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/NETINCOMEPERSHARE</Role>
      <ShortName>NET INCOME PER SHARE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>0000022 - Disclosure - RELATED PARTY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/RELATEDPARTY</Role>
      <ShortName>RELATED PARTY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="enph-20230930.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="enph-20230930.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="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9954471 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/DESCRIPTIONOFBUSINESSANDBASISOFPRESENTATIONPolicies</Role>
      <ShortName>DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9954472 - Disclosure - REVENUE RECOGNITION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/REVENUERECOGNITIONTables</Role>
      <ShortName>REVENUE RECOGNITION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://enphase.com/role/REVENUERECOGNITION</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9954473 - Disclosure - OTHER FINANCIAL INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/OTHERFINANCIALINFORMATIONTables</Role>
      <ShortName>OTHER FINANCIAL INFORMATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://enphase.com/role/OTHERFINANCIALINFORMATION</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9954474 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/GOODWILLANDINTANGIBLEASSETSTables</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://enphase.com/role/GOODWILLANDINTANGIBLEASSETS</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9954475 - Disclosure - CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CASHEQUIVALENTSANDMARKETABLESECURITIESTables</Role>
      <ShortName>CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://enphase.com/role/CASHEQUIVALENTSANDMARKETABLESECURITIES</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9954476 - Disclosure - WARRANTY OBLIGATIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/WARRANTYOBLIGATIONSTables</Role>
      <ShortName>WARRANTY OBLIGATIONS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://enphase.com/role/WARRANTYOBLIGATIONS</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9954477 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/FAIRVALUEMEASUREMENTSTables</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://enphase.com/role/FAIRVALUEMEASUREMENTS</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9954478 - Disclosure - DEBT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/DEBTTables</Role>
      <ShortName>DEBT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://enphase.com/role/DEBT</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9954479 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/COMMITMENTSANDCONTINGENCIESTables</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://enphase.com/role/COMMITMENTSANDCONTINGENCIES</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9954480 - Disclosure - STOCK-BASED COMPENSATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/STOCKBASEDCOMPENSATIONTables</Role>
      <ShortName>STOCK-BASED COMPENSATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://enphase.com/role/STOCKBASEDCOMPENSATION</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9954481 - Disclosure - NET INCOME PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/NETINCOMEPERSHARETables</Role>
      <ShortName>NET INCOME PER SHARE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://enphase.com/role/NETINCOMEPERSHARE</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9954482 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/DESCRIPTIONOFBUSINESSANDBASISOFPRESENTATIONDetails</Role>
      <ShortName>DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://enphase.com/role/DESCRIPTIONOFBUSINESSANDBASISOFPRESENTATIONPolicies</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9954483 - Disclosure - REVENUE RECOGNITION - Summary of Disaggregated Revenue by Primary Geographical Market and Timing of Revenue Recognition (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/REVENUERECOGNITIONSummaryofDisaggregatedRevenuebyPrimaryGeographicalMarketandTimingofRevenueRecognitionDetails</Role>
      <ShortName>REVENUE RECOGNITION - Summary of Disaggregated Revenue by Primary Geographical Market and Timing of Revenue Recognition (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9954484 - Disclosure - REVENUE RECOGNITION - Summary of Contract Assets and Contract Liabilities from Contracts with Customers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/REVENUERECOGNITIONSummaryofContractAssetsandContractLiabilitiesfromContractswithCustomersDetails</Role>
      <ShortName>REVENUE RECOGNITION - Summary of Contract Assets and Contract Liabilities from Contracts with Customers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9954485 - Disclosure - REVENUE RECOGNITION - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/REVENUERECOGNITIONNarrativeDetails</Role>
      <ShortName>REVENUE RECOGNITION - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9954486 - Disclosure - REVENUE RECOGNITION - Summary of Significant Changes in the Balances of Contract Liabilities and Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/REVENUERECOGNITIONSummaryofSignificantChangesintheBalancesofContractLiabilitiesandAssetsDetails</Role>
      <ShortName>REVENUE RECOGNITION - Summary of Significant Changes in the Balances of Contract Liabilities and Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9954487 - Disclosure - REVENUE RECOGNITION - Summary of Estimated Revenue Expected to be Recognized in Future Periods (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/REVENUERECOGNITIONSummaryofEstimatedRevenueExpectedtobeRecognizedinFuturePeriodsDetails</Role>
      <ShortName>REVENUE RECOGNITION - Summary of Estimated Revenue Expected to be Recognized in Future Periods (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9954488 - Disclosure - OTHER FINANCIAL INFORMATION - Inventory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/OTHERFINANCIALINFORMATIONInventoryDetails</Role>
      <ShortName>OTHER FINANCIAL INFORMATION - Inventory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9954489 - Disclosure - OTHER FINANCIAL INFORMATION - Accrued Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/OTHERFINANCIALINFORMATIONAccruedLiabilitiesDetails</Role>
      <ShortName>OTHER FINANCIAL INFORMATION - Accrued Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9954490 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofGoodwillDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9954491 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Acquired Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofAcquiredIntangibleAssetsDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS - Schedule of Acquired Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9954492 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/GOODWILLANDINTANGIBLEASSETSNarrativeDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9954493 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Amortization Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/GOODWILLANDINTANGIBLEASSETSAmortizationExpenseDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS - Amortization Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9954494 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Expected Future Amortization Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/GOODWILLANDINTANGIBLEASSETSExpectedFutureAmortizationExpenseDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS - Expected Future Amortization Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9954495 - Disclosure - CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CASHEQUIVALENTSANDMARKETABLESECURITIESScheduleofInvestmentsDetails</Role>
      <ShortName>CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9954496 - Disclosure - CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Contractual Maturity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/CASHEQUIVALENTSANDMARKETABLESECURITIESScheduleofContractualMaturityDetails</Role>
      <ShortName>CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Contractual Maturity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9954497 - Disclosure - WARRANTY OBLIGATIONS - Summary of Warranty Activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/WARRANTYOBLIGATIONSSummaryofWarrantyActivitiesDetails</Role>
      <ShortName>WARRANTY OBLIGATIONS - Summary of Warranty Activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9954498 - Disclosure - WARRANTY OBLIGATIONS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/WARRANTYOBLIGATIONSNarrativeDetails</Role>
      <ShortName>WARRANTY OBLIGATIONS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9954499 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/FAIRVALUEMEASUREMENTSScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9954500 - Disclosure - FAIR VALUE MEASUREMENTS - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/FAIRVALUEMEASUREMENTSNarrativeDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9954501 - Disclosure - FAIR VALUE MEASUREMENTS - Debt Securities Schedule of Fair Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/FAIRVALUEMEASUREMENTSDebtSecuritiesScheduleofFairValueDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Debt Securities Schedule of Fair Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9954502 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Changes in Nonfinancial Liabilities Related to Warrant Obligations Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/FAIRVALUEMEASUREMENTSScheduleofChangesinNonfinancialLiabilitiesRelatedtoWarrantObligationsMeasuredatFairValueonaRecurringBasisUsingSignificantUnobservableInputsDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Schedule of Changes in Nonfinancial Liabilities Related to Warrant Obligations Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9954503 - Disclosure - FAIR VALUE MEASUREMENTS - Summary of Significant Unobservable Inputs used in the Fair Value Measurement of Liabilities Designated as Level 3 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/FAIRVALUEMEASUREMENTSSummaryofSignificantUnobservableInputsusedintheFairValueMeasurementofLiabilitiesDesignatedasLevel3Details</Role>
      <ShortName>FAIR VALUE MEASUREMENTS - Summary of Significant Unobservable Inputs used in the Fair Value Measurement of Liabilities Designated as Level 3 (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9954504 - Disclosure - DEBT - Long-term debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/DEBTLongtermdebtDetails</Role>
      <ShortName>DEBT - Long-term debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9954505 - Disclosure - DEBT - Schedule of Interest Cost Recognized In Statements Of Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/DEBTScheduleofInterestCostRecognizedInStatementsOfOperationsDetails</Role>
      <ShortName>DEBT - Schedule of Interest Cost Recognized In Statements Of Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9954506 - Disclosure - DEBT - Convertible Senior Notes due in 2028 Narrative (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://enphase.com/role/DEBTConvertibleSeniorNotesduein2028NarrativeDetails</Role>
      <ShortName>DEBT - Convertible Senior Notes due in 2028 Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9954507 - Disclosure - DEBT - Convertible Senior Notes due in 2026 Narrative (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://enphase.com/role/DEBTConvertibleSeniorNotesduein2026NarrativeDetails</Role>
      <ShortName>DEBT - Convertible Senior Notes due in 2026 Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9954508 - Disclosure - DEBT - Convertible Senior Notes due in 2025 Narrative (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://enphase.com/role/DEBTConvertibleSeniorNotesduein2025NarrativeDetails</Role>
      <ShortName>DEBT - Convertible Senior Notes due in 2025 Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9954509 - Disclosure - DEBT - Convertible Senior Notes due 2023 Narrative (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://enphase.com/role/DEBTConvertibleSeniorNotesdue2023NarrativeDetails</Role>
      <ShortName>DEBT - Convertible Senior Notes due 2023 Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9954510 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9954511 - Disclosure - COMMITMENTS AND CONTINGENCIES - Lease Expense Components (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/COMMITMENTSANDCONTINGENCIESLeaseExpenseComponentsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Lease Expense Components (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9954512 - Disclosure - COMMITMENTS AND CONTINGENCIES - Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/COMMITMENTSANDCONTINGENCIESLeaseLiabilitiesDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9954513 - Disclosure - COMMITMENTS AND CONTINGENCIES - Supplemental Cash Flow and Other Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/COMMITMENTSANDCONTINGENCIESSupplementalCashFlowandOtherInformationDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Supplemental Cash Flow and Other Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9954514 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Minimum Lease Payments Under Noncancelable Operating Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/COMMITMENTSANDCONTINGENCIESScheduleofMinimumLeasePaymentsUnderNoncancelableOperatingLeasesDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Schedule of Minimum Lease Payments Under Noncancelable Operating Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9954515 - Disclosure - STOCKHOLDERS' EQUITY (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/STOCKHOLDERSEQUITYDetails</Role>
      <ShortName>STOCKHOLDERS' EQUITY (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://enphase.com/role/STOCKHOLDERSEQUITY</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9954516 - Disclosure - STOCK-BASED COMPENSATION - Summary of Stock-based Compensation Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/STOCKBASEDCOMPENSATIONSummaryofStockbasedCompensationExpenseDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Summary of Stock-based Compensation Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9954517 - Disclosure - STOCK-BASED COMPENSATION - Summary of Stock-Based Compensation Expense Associated with Each Type of Award (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/STOCKBASEDCOMPENSATIONSummaryofStockBasedCompensationExpenseAssociatedwithEachTypeofAwardDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Summary of Stock-Based Compensation Expense Associated with Each Type of Award (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9954518 - Disclosure - STOCK-BASED COMPENSATION - Narrative (Details) 10Q</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/STOCKBASEDCOMPENSATIONNarrativeDetails10Q</Role>
      <ShortName>STOCK-BASED COMPENSATION - Narrative (Details) 10Q</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9954519 - Disclosure - STOCK-BASED COMPENSATION - Summary of Stock Option Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/STOCKBASEDCOMPENSATIONSummaryofStockOptionActivityDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Summary of Stock Option Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9954520 - Disclosure - STOCK-BASED COMPENSATION - Summary of Stock Options Outstanding (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/STOCKBASEDCOMPENSATIONSummaryofStockOptionsOutstandingDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Summary of Stock Options Outstanding (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9954521 - Disclosure - STOCK-BASED COMPENSATION - Summary of Restricted Stock Unit Activity and Performance Stock Units (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/STOCKBASEDCOMPENSATIONSummaryofRestrictedStockUnitActivityandPerformanceStockUnitsDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION - Summary of Restricted Stock Unit Activity and Performance Stock Units (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9954522 - Disclosure - INCOME TAXES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/INCOMETAXESDetails</Role>
      <ShortName>INCOME TAXES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://enphase.com/role/INCOMETAXES</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9954523 - Disclosure - NET INCOME PER SHARE - Schedule of Computation of Basic and Diluted Net Income Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/NETINCOMEPERSHAREScheduleofComputationofBasicandDilutedNetIncomePerShareDetails</Role>
      <ShortName>NET INCOME PER SHARE - Schedule of Computation of Basic and Diluted Net Income Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9954524 - Disclosure - NET INCOME PER SHARE - Schedule of Potentially Dilutive Securities Excluded from the Computation of Diluted Net Income Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/NETINCOMEPERSHAREScheduleofPotentiallyDilutiveSecuritiesExcludedfromtheComputationofDilutedNetIncomePerShareDetails</Role>
      <ShortName>NET INCOME PER SHARE - Schedule of Potentially Dilutive Securities Excluded from the Computation of Diluted Net Income Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9954525 - Disclosure - RELATED PARTY (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://enphase.com/role/RELATEDPARTYDetails</Role>
      <ShortName>RELATED PARTY (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://enphase.com/role/RELATEDPARTY</ParentRole>
      <Position>79</Position>
    </Report>
    <Report instance="enph-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9999.htm</HtmlFileName>
      <LongName>Uncategorized Items - enph-20230930.htm</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/role/uncategorizedFacts</Role>
      <ShortName>Uncategorized Items - enph-20230930.htm</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>80</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" isDefinitelyFs="true" isUsgaap="true" original="enph-20230930.htm">enph-20230930.htm</File>
    <File>enph-20230930.xsd</File>
    <File>enph-20230930_cal.xml</File>
    <File>enph-20230930_def.xml</File>
    <File>enph-20230930_lab.xml</File>
    <File>enph-20230930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>enph-20230930_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="1207">http://fasb.org/us-gaap/2023</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
