CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Net sales	$ 66,557	$ 70,826
Cost of sales	50,207	56,486
Gross profit	16,350	14,340
Selling, general and administrative expenses	32,336	35,266
Restructuring charge	0	248
Acquisition related and other	0	2,867
Loss from operations	(15,986)	(24,041)
Income from joint ventures	2	0
Other income (expense), net	38	83
Change in fair value of preferred stock derivative liability	2,082	0
Change in fair value of convertible senior notes	7,675	(2,423)
Interest income	14	27
Interest expense	(5,547)	(3,018)
Loss before provision for (benefit from) income taxes	(11,722)	(29,372)
Provision for (benefit from) income taxes	276	(245)
Net loss	(11,998)	(29,127)
Net income attributable to non-controlling interests	40	31
Net loss attributable to JAKKS Pacific, Inc.	(12,038)	(29,158)
Net loss attributable to common stockholders	$ (12,345)	$ (29,158)
Loss per share - basic and filuted (in dollars per share)	$ (0.41)	$ (1.24)
Shares used in net loss per share - basic and diluted (in shares)	30,208	23,557
Comprehensive loss	$ (13,632)	$ (27,824)
Comprehensive loss attributable to JAKKS Pacific, Inc.	$ (13,672)	$ (27,855)