Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=jakk_OasisManagementAndOasisInvestmentsllMasterFundLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Subsequent Events - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended		6 Months Ended
	Aug. 31, 2017	Jul. 31, 2013	Jun. 30, 2017	Dec. 31, 2016
Subsequent Event [Line Items]
Long term debt, face amount			$ 155,728	$ 206,865
4.25% Convertible Senior Notes (due 2018)
Subsequent Event [Line Items]
Long term debt, face amount		$ 100,000	$ 42,728	$ 93,865
Debt instrument, interest rate		4.25%	4.25%	4.25%
Debt instrument, maturity date		Aug. 01, 2018
4.25% Convertible Senior Notes (due 2018) \| Oasis Management and Oasis Investments ll Master Fund Ltd.
Subsequent Event [Line Items]
Long term debt, face amount			$ 21,600
Debt instrument, interest rate			4.25%
Debt instrument, maturity date			Aug. 01, 2018
Subsequent Event \| 4.25% Convertible Senior Notes (due 2018) \| Oasis Management and Oasis Investments ll Master Fund Ltd.
Subsequent Event [Line Items]
Long term debt, face amount	$ 21,200
Debt instrument, interest rate	3.25%
Debt instrument, maturity date	Nov. 30, 2020