XML 94 R78.htm IDEA: XBRL DOCUMENT
v3.19.1

Commitments - Additional Information (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2018
Minimum |
Commitments and Contingencies Disclosure [Line Items] |
Royalties percentage of net sales | 1.00%
Maximum |
Commitments and Contingencies Disclosure [Line Items] |
Royalties percentage of net sales | 21.00%

X
- Definition Commitments and Contingencies Disclosure [Line Items] + References No definition available. + Details
Name: | jakk_CommitmentsAndContingenciesDisclosureLineItems
Namespace Prefix: | jakk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percent Of Royalty On Net Sales + References No definition available. + Details
Name: | jakk_PercentOfRoyaltyOnNetSales
Namespace Prefix: | jakk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |