CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 598,649	$ 567,810	$ 613,111
Cost of sales	439,304	412,094	457,430
Gross profit	159,345	155,716	155,681
Selling, general and administrative expenses	161,210	185,142	205,223
Goodwill and other intangibles impairment	9,379	0	13,536
Restructuring charge	341	1,114	1,080
Acquisition related and other	6,204	1,633	0
Loss from operations	(17,789)	(32,173)	(64,158)
Income from joint ventures	0	227	105
Other income (expense), net	(1,158)	152	342
Loss on extinguishment of debt	(13,205)	(453)	(611)
Change in fair value of preferred stock derivative liability	(353)	0	0
Change in fair value of convertible senior notes	(5,112)	2,948	(308)
Write-off of investment in DreamPlay, LLC	0	0	7,000
Interest income	85	68	37
Interest expense	15,935	10,243	9,829
Loss before provision for income taxes	(53,467)	(39,474)	(81,422)
Provision for income taxes	1,912	2,951	1,606
Net loss	(55,379)	(42,425)	(83,028)
Net income (loss) attributable to non-controlling interests	169	(57)	57
Net loss attributable to JAKKS Pacific, Inc.	(55,548)	(42,368)	(83,085)
Net loss attributable to common stockholders	$ (56,031)	$ (42,368)	$ (83,085)
Loss per share - basic and diluted (in dollars per share)	$ (2.16)	$ (1.83)	$ (3.89)
Shares used in loss per share - basic and diluted (in shares)	25,980	23,104	21,341