<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>194</ContextCount>
  <ElementCount>207</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>55</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000 - Document - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>001 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ConsolidatedBalanceSheet</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ConsolidatedBalanceSheet_Parentheticals</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>003 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ConsolidatedIncomeStatement</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ShareholdersEquityType2or3</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ShareholdersEquityType2or3_Parentheticals</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ConsolidatedCashFlow</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Disclosure - Cash Flow, Supplemental Disclosures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/CashFlowSupplementalDisclosures</Role>
      <ShortName>Cash Flow, Supplemental Disclosures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/BasisofPresentation</Role>
      <ShortName>Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - Business Segments, Geographic Data and Sales by Major Customers</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/BusinessSegmentsGeographicDataandSalesbyMajorCustomers</Role>
      <ShortName>Business Segments, Geographic Data and Sales by Major Customers</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - Inventory</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/Inventory</Role>
      <ShortName>Inventory</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - Revenue Recognition and Reserve for Sales Returns and Allowances</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/RevenueRecognitionandReserveforSalesReturnsandAllowances</Role>
      <ShortName>Revenue Recognition and Reserve for Sales Returns and Allowances</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - Credit Facilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/CreditFacilities</Role>
      <ShortName>Credit Facilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - Earnings (Loss) Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/EarningsLossPerShare</Role>
      <ShortName>Earnings (Loss) Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - Common Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/CommonStock</Role>
      <ShortName>Common Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - Goodwill</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/Goodwill</Role>
      <ShortName>Goodwill</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ComprehensiveIncomeLoss</Role>
      <ShortName>Comprehensive Income (Loss)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - Litigation and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/LitigationandContingencies</Role>
      <ShortName>Litigation and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - Share-Based Payments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ShareBasedPayments</Role>
      <ShortName>Share-Based Payments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - Prepaid Expenses and Other Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/PrepaidExpensesandOtherAssets</Role>
      <ShortName>Prepaid Expenses and Other Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - Subsequent events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/Subsequentevents</Role>
      <ShortName>Subsequent events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="jakk10q063026.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="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>996000 - Disclosure - Business Segments, Geographic Data and Sales by Major Customers (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/BusinessSegmentsGeographicDataandSalesbyMajorCustomersTables</Role>
      <ShortName>Business Segments, Geographic Data and Sales by Major Customers (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jakks.com/role/BusinessSegmentsGeographicDataandSalesbyMajorCustomers</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>996001 - Disclosure - Inventory (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/InventoryTables</Role>
      <ShortName>Inventory (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jakks.com/role/Inventory</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>996002 - Disclosure - Earnings (Loss) Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/EarningsLossPerShareTables</Role>
      <ShortName>Earnings (Loss) Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jakks.com/role/EarningsLossPerShare</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>996003 - Disclosure - Comprehensive Income (Loss) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ComprehensiveIncomeLossTables</Role>
      <ShortName>Comprehensive Income (Loss) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jakks.com/role/ComprehensiveIncomeLoss</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>996004 - Disclosure - Share-Based Payments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ShareBasedPaymentsTables</Role>
      <ShortName>Share-Based Payments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jakks.com/role/ShareBasedPayments</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>996005 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jakks.com/role/FairValueMeasurements</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>996006 - Disclosure - Prepaid Expenses and Other Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/PrepaidExpensesandOtherAssetsTables</Role>
      <ShortName>Prepaid Expenses and Other Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.jakks.com/role/PrepaidExpensesandOtherAssets</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>996007 - Disclosure - Cash Flow, Supplemental Disclosures (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/CashFlowSupplementalDisclosuresDetails</Role>
      <ShortName>Cash Flow, Supplemental Disclosures (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/CashFlowSupplementalDisclosures</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>996008 - Disclosure - Business Segments, Geographic Data and Sales by Major Customers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/BusinessSegmentsGeographicDataandSalesbyMajorCustomersDetails</Role>
      <ShortName>Business Segments, Geographic Data and Sales by Major Customers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/BusinessSegmentsGeographicDataandSalesbyMajorCustomersTables</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>996009 - Disclosure - Business Segments, Geographic Data and Sales by Major Customers - Schedule of Segment Reporting Information, by Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ScheduleofSegmentReportingInformationbySegmentTable</Role>
      <ShortName>Business Segments, Geographic Data and Sales by Major Customers - Schedule of Segment Reporting Information, by Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>996010 - Disclosure - Business Segments, Geographic Data and Sales by Major Customers - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ScheduleofRevenuefromExternalCustomersandLongLivedAssetsbyGeographicalAreasTable</Role>
      <ShortName>Business Segments, Geographic Data and Sales by Major Customers - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>996011 - Disclosure - Business Segments, Geographic Data and Sales by Major Customers - Schedule of Revenue by Major Customers by Reporting Segments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ScheduleofRevenuebyMajorCustomersbyReportingSegmentsTable</Role>
      <ShortName>Business Segments, Geographic Data and Sales by Major Customers - Schedule of Revenue by Major Customers by Reporting Segments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>996012 - Disclosure - Inventory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/InventoryDetails</Role>
      <ShortName>Inventory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/InventoryTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>996013 - Disclosure - Inventory - Schedule of Inventory, Current (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ScheduleofInventoryCurrentTable</Role>
      <ShortName>Inventory - Schedule of Inventory, Current (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>996014 - Disclosure - Revenue Recognition and Reserve for Sales Returns and Allowances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/RevenueRecognitionandReserveforSalesReturnsandAllowancesDetails</Role>
      <ShortName>Revenue Recognition and Reserve for Sales Returns and Allowances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/RevenueRecognitionandReserveforSalesReturnsandAllowances</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>996015 - Disclosure - Credit Facilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/CreditFacilitiesDetails</Role>
      <ShortName>Credit Facilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/CreditFacilities</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>996016 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/IncomeTaxes</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>996017 - Disclosure - Earnings (Loss) Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/EarningsLossPerShareDetails</Role>
      <ShortName>Earnings (Loss) Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/EarningsLossPerShareTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>996018 - Disclosure - Earnings (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ScheduleofEarningsPerShareBasicandDilutedTable</Role>
      <ShortName>Earnings (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/EarningsLossPerShareTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>996019 - Disclosure - Common Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/CommonStockDetails</Role>
      <ShortName>Common Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/CommonStock</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>996020 - Disclosure - Comprehensive Income (Loss) - Company’s Comprehensive loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/CompanysComprehensivelossTable</Role>
      <ShortName>Comprehensive Income (Loss) - Company’s Comprehensive loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/ComprehensiveIncomeLossTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>996021 - Disclosure - Share-Based Payments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ShareBasedPaymentsDetails</Role>
      <ShortName>Share-Based Payments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/ShareBasedPaymentsTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>996022 - Disclosure - Share-Based Payments - Share-based Payment Arrangement, Expensed and Capitalized, Amount (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/SharebasedPaymentArrangementExpensedandCapitalizedAmountTable</Role>
      <ShortName>Share-Based Payments - Share-based Payment Arrangement, Expensed and Capitalized, Amount (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>996023 - Disclosure - Share-Based Payments - Schedule of Nonvested Restricted Stock Units Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ScheduleofNonvestedRestrictedStockUnitsActivityTable</Role>
      <ShortName>Share-Based Payments - Schedule of Nonvested Restricted Stock Units Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>996024 - Disclosure - Fair Value Measurements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/FairValueMeasurementsDetails</Role>
      <ShortName>Fair Value Measurements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/FairValueMeasurementsTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>996025 - Disclosure - Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/ScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable</Role>
      <ShortName>Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>996026 - Disclosure - Prepaid Expenses and Other Assets - Deferred Costs, Capitalized, Prepaid, and Other Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/DeferredCostsCapitalizedPrepaidandOtherAssetsTable</Role>
      <ShortName>Prepaid Expenses and Other Assets - Deferred Costs, Capitalized, Prepaid, and Other Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="jakk10q063026.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>996027 - Disclosure - Subsequent events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.jakks.com/role/SubsequenteventsDetails</Role>
      <ShortName>Subsequent events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.jakks.com/role/Subsequentevents</ParentRole>
      <Position>52</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>jakk-20260630.xsd</File>
    <File>jakk-20260630_cal.xml</File>
    <File>jakk-20260630_def.xml</File>
    <File>jakk-20260630_lab.xml</File>
    <File>jakk-20260630_pre.xml</File>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="jakk10q063026.htm">jakk10q063026.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="661">http://fasb.org/us-gaap/2026</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
