CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Net sales	$ 280,130	$ 236,699	$ 446,138	$ 435,484
Cost of sales	199,271	172,369	333,193	320,254
Gross profit	80,859	64,330	112,945	115,230
Selling, general and administrative expenses	44,586	44,184	113,722	142,549
Restructuring charge	24	0	294	0
Acquisition related and other	587	103	5,957	436
Income (loss) from operations	35,662	20,043	(7,028)	(27,755)
Income from joint ventures	0	0	0	227
Other income (expense), net	36	223	(123)	304
Loss on extinguishment of debt	(13,205)	(453)	(13,205)	(453)
Change in fair value of convertible senior notes	(463)	917	(2,992)	(2,514)
Interest income	17	19	64	47
Interest expense	(4,617)	(3,097)	(10,554)	(7,230)
Income (loss) before provision for income taxes	17,430	17,652	(33,838)	(37,374)
Provision for income taxes	1,016	1,953	1,360	1,708
Net income (loss)	16,414	15,699	(35,198)	(39,082)
Net income (loss) attributable to non-controlling interests	(31)	17	57	39
Net income (loss) attributable to JAKKS Pacific, Inc.	16,445	15,682	(35,255)	(39,121)
Net income (loss) attributable to common stockholders	$ 16,265	$ 15,682	$ (35,435)	$ (39,121)
Income (loss) per share - basic (in dollars per share)	$ 0.60	$ 0.68	$ (1.43)	$ (1.69)
Shares used in income (loss) per share - basic (in shares)	27,085	23,106	24,754	23,104
Income (loss) per share - diluted (in dollars per share)	$ 0.51	$ 0.38	$ (1.43)	$ (1.69)
Shares used in income (loss) per share - diluted (in shares)	60,345	45,686	24,754	23,104
Comprehensive income (loss)	$ 15,516	$ 14,550	$ (35,243)	$ (40,571)
Comprehensive income (loss) attributable to JAKKS Pacific, Inc.	$ 15,547	$ 14,533	$ (35,300)	$ (40,610)