Business Segments, Geographic Data, and Sales by Major Customers - Information by Segment and Reconciliation to Reported Amounts (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net sales	$ 152,511	$ 280,130	$ 95,182	$ 70,826	$ 132,326	$ 236,699	$ 105,781	$ 93,004	$ 598,649	$ 567,810	$ 613,111
Loss from Operations	(10,761)	$ 35,662	$ (18,649)	$ (24,041)	(4,418)	$ 20,043	$ (12,140)	$ (35,658)	(17,789)	(32,173)	(64,158)
Depreciation and amortization									17,634	17,081	21,003
Assets	365,222				342,841				365,222	342,841
U.S. and Canada
Segment Reporting Information [Line Items]
Net sales									384,585	364,313	406,411
Loss from Operations									(2,121)	(11,693)	(35,720)
Depreciation and amortization									13,130	12,553	15,286
Assets	254,124				223,877				254,124	223,877
International
Segment Reporting Information [Line Items]
Net sales									94,453	101,873	107,231
Loss from Operations									(6,007)	(8,706)	(13,184)
Depreciation and amortization									3,097	3,449	4,079
Assets	102,460				108,669				102,460	108,669
Halloween
Segment Reporting Information [Line Items]
Net sales									119,611	101,624	99,469
Loss from Operations									(9,661)	(11,774)	(15,254)
Depreciation and amortization									1,407	1,079	$ 1,638
Assets	$ 8,638				$ 10,295				$ 8,638	$ 10,295