<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>144</ContextCount>
  <ElementCount>247</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>51</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>11</UnitCount>
  <MyReports>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>9952151 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/CondensedConsolidatedBalanceSheetsUnaudited</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952152 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952153 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/CondensedConsolidatedStatementsofOperationsUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Operations (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952154 - Statement - Condensed Consolidated Statements of Comprehensive Loss (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/CondensedConsolidatedStatementsofComprehensiveLossUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Comprehensive Loss (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952155 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952156 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/CondensedConsolidatedStatementsofStockholdersEquityUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Stockholders' Equity (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952157 - Disclosure - BASIS OF PRESENTATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/BASISOFPRESENTATION</Role>
      <ShortName>BASIS OF PRESENTATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - REVENUES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/REVENUES</Role>
      <ShortName>REVENUES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - INVENTORIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/INVENTORIES</Role>
      <ShortName>INVENTORIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - INVESTMENTS AND NOTE RECEIVABLE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/INVESTMENTSANDNOTERECEIVABLE</Role>
      <ShortName>INVESTMENTS AND NOTE RECEIVABLE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - BORROWINGS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/BORROWINGS</Role>
      <ShortName>BORROWINGS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - STOCK-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/STOCKBASEDCOMPENSATION</Role>
      <ShortName>STOCK-BASED COMPENSATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - NET LOSS PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/NETLOSSPERSHARE</Role>
      <ShortName>NET LOSS PER SHARE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSINCOME</Role>
      <ShortName>ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - SEGMENT INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/SEGMENTINFORMATION</Role>
      <ShortName>SEGMENT INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/COMMITMENTSANDCONTINGENCIES</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - FAIR VALUE MEASUREMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/FAIRVALUEMEASUREMENTS</Role>
      <ShortName>FAIR VALUE MEASUREMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - RESTRUCTURING AND EXIT ACTIVITIES COSTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTS</Role>
      <ShortName>RESTRUCTURING AND EXIT ACTIVITIES COSTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - BASIS OF PRESENTATION (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/BASISOFPRESENTATIONPolicies</Role>
      <ShortName>BASIS OF PRESENTATION (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - REVENUES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/REVENUESTables</Role>
      <ShortName>REVENUES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/REVENUES</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - INVENTORIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/INVENTORIESTables</Role>
      <ShortName>INVENTORIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/INVENTORIES</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - INVESTMENTS AND NOTE RECEIVABLE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/INVESTMENTSANDNOTERECEIVABLETables</Role>
      <ShortName>INVESTMENTS AND NOTE RECEIVABLE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/INVESTMENTSANDNOTERECEIVABLE</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - BORROWINGS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/BORROWINGSTables</Role>
      <ShortName>BORROWINGS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/BORROWINGS</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - STOCK-BASED COMPENSATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/STOCKBASEDCOMPENSATIONTables</Role>
      <ShortName>STOCK-BASED COMPENSATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/STOCKBASEDCOMPENSATION</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - NET LOSS PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/NETLOSSPERSHARETables</Role>
      <ShortName>NET LOSS PER SHARE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/NETLOSSPERSHARE</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSINCOMETables</Role>
      <ShortName>ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSINCOME</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - SEGMENT INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/SEGMENTINFORMATIONTables</Role>
      <ShortName>SEGMENT INFORMATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/SEGMENTINFORMATION</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/COMMITMENTSANDCONTINGENCIESTables</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/COMMITMENTSANDCONTINGENCIES</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/FAIRVALUEMEASUREMENTSTables</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/FAIRVALUEMEASUREMENTS</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - RESTRUCTURING AND EXIT ACTIVITIES COSTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTSTables</Role>
      <ShortName>RESTRUCTURING AND EXIT ACTIVITIES COSTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTS</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - BASIS OF PRESENTATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/BASISOFPRESENTATIONDetails</Role>
      <ShortName>BASIS OF PRESENTATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/BASISOFPRESENTATIONPolicies</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - REVENUES (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/REVENUESNarrativeDetails</Role>
      <ShortName>REVENUES (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/REVENUESTables</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - REVENUES (Schedule of Contract with Customer, Contract Asset, Contract Liability, and Receivable) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/REVENUESScheduleofContractwithCustomerContractAssetContractLiabilityandReceivableDetails</Role>
      <ShortName>REVENUES (Schedule of Contract with Customer, Contract Asset, Contract Liability, and Receivable) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/REVENUESTables</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - REVENUES (Schedule of Revenue by Geographic Region) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/REVENUESScheduleofRevenuebyGeographicRegionDetails</Role>
      <ShortName>REVENUES (Schedule of Revenue by Geographic Region) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/REVENUESTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - INVENTORIES (Components of Inventories) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/INVENTORIESComponentsofInventoriesDetails</Role>
      <ShortName>INVENTORIES (Components of Inventories) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/INVENTORIESTables</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - INVESTMENTS AND NOTE RECEIVABLE (Schedule of Equity Investments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/INVESTMENTSANDNOTERECEIVABLEScheduleofEquityInvestmentsDetails</Role>
      <ShortName>INVESTMENTS AND NOTE RECEIVABLE (Schedule of Equity Investments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/INVESTMENTSANDNOTERECEIVABLETables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - INVESTMENTS AND NOTE RECEIVABLE (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/INVESTMENTSANDNOTERECEIVABLENarrativeDetails</Role>
      <ShortName>INVESTMENTS AND NOTE RECEIVABLE (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/INVESTMENTSANDNOTERECEIVABLETables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - BORROWINGS (Schedule of Convertible Notes Payable) (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.3dsystems.com/role/BORROWINGSScheduleofConvertibleNotesPayableDetails</Role>
      <ShortName>BORROWINGS (Schedule of Convertible Notes Payable) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/BORROWINGSTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - BORROWINGS (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/BORROWINGSNarrativeDetails</Role>
      <ShortName>BORROWINGS (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/BORROWINGSTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - STOCK-BASED COMPENSATION (Schedule of Stock-based Compensation Expense) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/STOCKBASEDCOMPENSATIONScheduleofStockbasedCompensationExpenseDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION (Schedule of Stock-based Compensation Expense) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/STOCKBASEDCOMPENSATIONTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - STOCK-BASED COMPENSATION (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/STOCKBASEDCOMPENSATIONNarrativeDetails</Role>
      <ShortName>STOCK-BASED COMPENSATION (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/STOCKBASEDCOMPENSATIONTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - INCOME TAXES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/INCOMETAXESDetails</Role>
      <ShortName>INCOME TAXES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/INCOMETAXES</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - NET LOSS PER SHARE (Net Loss Per Share Reconciliation) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/NETLOSSPERSHARENetLossPerShareReconciliationDetails</Role>
      <ShortName>NET LOSS PER SHARE (Net Loss Per Share Reconciliation) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/NETLOSSPERSHARETables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - NET LOSS PER SHARE (Schedule of Potentially Dilutive Shares) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/NETLOSSPERSHAREScheduleofPotentiallyDilutiveSharesDetails</Role>
      <ShortName>NET LOSS PER SHARE (Schedule of Potentially Dilutive Shares) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/NETLOSSPERSHARETables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - NET LOSS PER SHARE (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/NETLOSSPERSHARENarrativeDetails</Role>
      <ShortName>NET LOSS PER SHARE (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/NETLOSSPERSHARETables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSINCOMEDetails</Role>
      <ShortName>ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSINCOMETables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - SEGMENT INFORMATION (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/SEGMENTINFORMATIONNarrativeDetails</Role>
      <ShortName>SEGMENT INFORMATION (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/SEGMENTINFORMATIONTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - SEGMENT INFORMATION (Schedule of Operating Results by Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/SEGMENTINFORMATIONScheduleofOperatingResultsbySegmentDetails</Role>
      <ShortName>SEGMENT INFORMATION (Schedule of Operating Results by Segment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/SEGMENTINFORMATIONTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - SEGMENT INFORMATION (Schedule of Depreciation and Amortization) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/SEGMENTINFORMATIONScheduleofDepreciationandAmortizationDetails</Role>
      <ShortName>SEGMENT INFORMATION (Schedule of Depreciation and Amortization) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/SEGMENTINFORMATIONTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - COMMITMENTS AND CONTINGENCIES (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/COMMITMENTSANDCONTINGENCIESTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - COMMITMENTS AND CONTINGENCIES (Schedule of Product Warranty Liability) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/COMMITMENTSANDCONTINGENCIESScheduleofProductWarrantyLiabilityDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Schedule of Product Warranty Liability) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/COMMITMENTSANDCONTINGENCIESTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - FAIR VALUE MEASUREMENTS (Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/FAIRVALUEMEASUREMENTSScheduleofAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/FAIRVALUEMEASUREMENTSTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - FAIR VALUE MEASUREMENTS (Schedule of Fair Value of Financial Instruments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/FAIRVALUEMEASUREMENTSScheduleofFairValueofFinancialInstrumentsDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Schedule of Fair Value of Financial Instruments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/FAIRVALUEMEASUREMENTSTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - RESTRUCTURING AND EXIT ACTIVITIES COSTS (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTSNarrativeDetails</Role>
      <ShortName>RESTRUCTURING AND EXIT ACTIVITIES COSTS (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTSTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - RESTRUCTURING AND EXIT ACTIVITIES COSTS (Costs Incurred) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTSCostsIncurredDetails</Role>
      <ShortName>RESTRUCTURING AND EXIT ACTIVITIES COSTS (Costs Incurred) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTSTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - RESTRUCTURING AND EXIT ACTIVITIES COSTS (Cost of Sales by Reportable Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTSCostofSalesbyReportableSegmentDetails</Role>
      <ShortName>RESTRUCTURING AND EXIT ACTIVITIES COSTS (Cost of Sales by Reportable Segment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTSTables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="ddd-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - RESTRUCTURING AND EXIT ACTIVITIES COSTS (Restructuring Charges) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTSRestructuringChargesDetails</Role>
      <ShortName>RESTRUCTURING AND EXIT ACTIVITIES COSTS (Restructuring Charges) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.3dsystems.com/role/RESTRUCTURINGANDEXITACTIVITIESCOSTSTables</ParentRole>
      <Position>60</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="ddd-20260331.htm">ddd-20260331.htm</File>
    <File>ddd-20260331.xsd</File>
    <File>ddd-20260331_cal.xml</File>
    <File>ddd-20260331_def.xml</File>
    <File>ddd-20260331_lab.xml</File>
    <File>ddd-20260331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>ddd-20260331_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="525">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
