CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Net sales	$ 567,810,000	$ 613,111,000	$ 706,603,000
Cost of sales	412,094,000	457,430,000	483,582,000
Gross profit	155,716,000	155,681,000	223,021,000
Selling, general and administrative expenses	185,142,000	205,223,000	205,915,000
Goodwill and other intangibles impairment	0	13,536,000	0
Restructuring charge	1,114,000	1,080,000	0
Acquisition related and other	1,633,000	0	0
Income (loss) from operations	(32,173,000)	(64,158,000)	17,106,000
Income from joint ventures	227,000	105,000	889,000
Other income (expense), net	152,000	342,000	305,000
Loss on extinguishment of convertible senior notes	(453,000)	(611,000)	98,000
Change in fair value of convertible senior notes	2,948,000	(308,000)	0
Write-off of investment in DreamPlay, LLC	0	7,000,000	0
Interest income	68,000	37,000	51,000
Interest expense	10,243,000	9,829,000	12,975,000
Income (loss) before provision for income taxes	(39,474,000)	(81,422,000)	5,376,000
Provision for income taxes	2,951,000	1,606,000	4,127,000
Net income (loss)	(42,425,000)	(83,028,000)	1,249,000
Net income (loss) attributable to non-controlling interests	(57,000)	57,000	6,000
Net income (loss) attributable to JAKKS Pacific, Inc.	$ (42,368,000)	$ (83,085,000)	$ 1,243,000
Basic earnings (loss) per share (in dollars per share)	$ (1.83)	$ (3.89)	$ 0.08
Basic weighted number of shares (in shares)	23,104	21,341	16,542
Diluted earnings (loss) per share (in dollars per share)	$ (1.83)	$ (3.89)	$ 0.07
Diluted weighted number of shares (in shares)	23,104	21,341	16,665