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Commitments - Future Minimum Guaranteed Amount (Detail) $ in Thousands | Dec. 31, 2018 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
2019 | $ 8,510
2020 | 3,645
2021 | 551
Future Minimum Guarantee Payments, Total | $ 12,706

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- Definition Future Minimum Guarantee Payments + References No definition available. + Details
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- Definition Future Minimum Guarantee Payments Current + References No definition available. + Details
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Namespace Prefix: | jakk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Future Minimum Guarantee Payments Year Three + References No definition available. + Details
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Namespace Prefix: | jakk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Future Minimum Guarantee Payments Year Two + References No definition available. + Details
Name: | jakk_FutureMinimumGuaranteePaymentsYearTwo
Namespace Prefix: | jakk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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