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Goodwill - Additional Information (Detail) | Dec. 31, 2016
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U.S. and Canada |
Goodwill [Line Items] |
Percentage of excess coverage of fair value over the carrying value | 2.00%
International |
Goodwill [Line Items] |
Percentage of excess coverage of fair value over the carrying value | 20.60%
Halloween |
Goodwill [Line Items] |
Percentage of excess coverage of fair value over the carrying value | 2.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_GoodwillLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of fair value of reporting unit in excess of carrying amount. + References No definition available. + Details
Name: | us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jakk_USAndCanadaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jakk_InternationalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jakk_HalloweenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |