Comprehensive Loss (Details) - Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Comprehensive Income (Loss) [Abstract]
Net Loss	$ (15,060)		$ (23,268)		$ (39,111)	$ (35,266)
Other comprehensive income (loss):
Foreign currency translation adjustment	380	$ (58)	81	$ (1,634)	322	(1,553)
Comprehensive loss	(14,680)		(23,187)		(38,789)	(36,819)
Less: Comprehensive income attributable to non-controlling interests	24		8		59	48
Comprehensive loss attributable to JAKKS Pacific, Inc.	$ (14,704)		$ (23,195)		$ (38,848)	$ (36,867)