Note 13 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025
Changes in Fair Value of Securities and Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease)	$ 415	$ 18

Changes in Fair Value of Securities and Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease)

No definition available.

Name:	jakk_ChangesInFairValueOfSecuritiesAndDefinedBenefitPlanBenefitObligationPeriodIncreaseDecrease
Namespace Prefix:	jakk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration