Components of Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Condensed Statement of Income Captions [Line Items]
Net loss	$ (16,687)	$ (4,145)	$ (34,972)	$ (21,528)
Other comprehensive income (loss):
Foreign currency translation adjustment	1,935	(2,934)	2,466	(3,658)
Comprehensive loss	(14,752)	(7,079)	(32,506)	(25,186)
Less: Comprehensive income attributable to non-controlling interests	55	224	86	256
Comprehensive loss attributable to JAKKS Pacific, Inc.	$ (14,807)	$ (7,303)	$ (32,592)	$ (25,442)