Revenue from Contracts with Customers - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Net revenues	$ 502,191	$ 510,199	$ 1,462,616	$ 1,472,752
Retail Segment [Member]
Disaggregation of Revenue [Line Items]
Net revenues	394,880	398,873	1,159,309	1,175,967
Wholesale Segment [Member]
Disaggregation of Revenue [Line Items]
Net revenues	107,311	111,326	303,307	296,785
Other Retail Segment Store [Member] \| Retail Segment [Member]
Disaggregation of Revenue [Line Items]
Net revenues	9,773	7,175	13,124	12,549
Net Sales [Member] \| Retail Segment [Member]
Disaggregation of Revenue [Line Items]
Net revenues	394,880	398,873	1,159,309	1,175,967
North America [Member] \| Party City Stores [Member] \| Retail Segment [Member]
Disaggregation of Revenue [Line Items]
Net revenues	385,107	391,698	1,146,185	1,163,418
Domestic [Member] \| Wholesale Segment [Member]
Disaggregation of Revenue [Line Items]
Net revenues	64,960	74,944	191,776	192,090
International [Member] \| Wholesale Segment [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 42,351	$ 36,382	$ 111,531	$ 104,695

Party City Holdco Inc. 10-Q/A