Quarterly Results (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Summary of Historical Revenues, Gross Profit, Income (Loss) from Operations

The following table sets forth our historical revenues, gross profit, (loss) income from operations, net (loss) income, net (loss) income attributable to common shareholders of Party City Holdco Inc., and net (loss) income per share attributable to common shareholders of Party City Holdco Inc.—Basic and Diluted for each of the following quarters:

	For the Three Months Ended,
2020	March 31,			June 30,			September 30,			December 31,
Revenues:
Net sales	$	412,461		$	253,646		$	532,053		$	645,284
Royalties and franchise fees		1,582			1,045			1,722			2,897
Gross profit		115,704			15,739			176,130			167,421
(Loss) income from operations		(611,370	)		(126,794	)		(27,099	)		(112,238	)
Net (loss) income		(541,668	)		(130,059	)		239,665			(96,395	)
Net (loss) income attributable to common    shareholders of Party City Holdco Inc.		(541,513	)		(130,015	)		239,707			(96,417	)
Net (loss) income per share attributable to    common shareholders of Party City Holdco    Inc.—Basic	$	(5.80	)	$	(1.39	)	$	2.25		$	(0.88	)
Net (loss) income per share attributable to    common shareholders of Party City Holdco    Inc.—Diluted	$	(5.80	)	$	(1.39	)	$	2.24		$	(0.88	)

	For the Three Months Ended,
2019:	March 31,			June 30,		September 30,			December 31,
Revenues:
Net sales	$	511,102		$	561,702	$	538,345		$	728,361
Royalties and franchise fees		2,014			2,189		1,886			3,190
Gross profit		172,060			208,646		164,932			293,239
(Loss) Income from operations		(10,297	)		97,485		(277,526	)		(227,055	)
Net (loss) income		(30,289	)		48,005		(281,745	)		(268,829	)
Net (loss) income attributable to common    shareholders of Party City Holdco Inc.		(30,218	)		48,074		(281,533	)		(268,818	)
Net (loss) income per share attributable to common    shareholders of Party City Holdco    Inc.—Basic	$	(0.32	)	$	0.52	$	(3.02	)	$	(2.88	)
Net (loss) income per share attributable to common    shareholders of Party City Holdco    Inc.—Diluted	$	(0.32	)	$	0.51	$	(3.02	)	$	(2.88	)