Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2021	May 10, 2021
Document Information Line Items
Entity Registrant Name	JAKKS Pacific, Inc.
Trading Symbol	JAKK
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		6,395,813
Amendment Flag	false
Entity Central Index Key	0001009829
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Mar. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	0-28104
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	95-4527222
Entity Address, Address Line One	2951 28th Street
Entity Address, City or Town	Santa Monica
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	90405
City Area Code	424
Local Phone Number	268-9444
Entity Interactive Data Current	Yes
Title of 12(g) Security	Common Stock $.001 Par Value
Security Exchange Name	NASDAQ