Loss Per Share (Details) - Schedule of Earnings Per Share, Basic and Diluted - USD ($) $ / shares in Units, shares 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
Schedule of Earnings Per Share, Basic and Diluted [Abstract]
Net loss		$ (15,060,000)		$ (23,268,000)		$ (39,111,000)	$ (35,266,000)
Net income attributable to non-controlling interests		24,000		8,000		59,000	48,000
Net loss attributable to JAKKS Pacific, Inc.		(15,084,000)	$ (24,086,000)	(23,276,000)	$ (12,038,000)	(39,170,000)	(35,314,000)
Preferred stock dividend		330,985		311,849		657,079	619,090
Net loss attributable to common stockholders *	[1]	$ (15,415,000)		$ (23,588,000)		$ (39,827,000)	$ (35,933,000)
Weighted average common shares outstanding - basic and diluted (in Shares)		6,220		3,064		5,802	3,043
Loss per share available to common stockholders - basic and diluted (in Dollars per share)		$ (2.48)		$ (7.70)		$ (6.86)	$ (11.81)

[1] Net loss attributable to common stockholders was computed by deducting preferred dividends of $330,985 and $657,079 for the three and six months ended June 30, 2021, respectively. Net loss attributable to common stockholders was computed by deducting preferred dividends of $311,849 and $619,090 for the three and six months ended June 30, 2020, respectively.