Subsequent Events - Additional information (Detail) - USD ($)	1 Months Ended
Feb. 28, 2021	Dec. 31, 2020
Aggregate principal amount		$ 1,194,737,000
8.75% Senior Secured Notes Due 2026 [Member] \| Party City Holdings Inc. [Member] \| Subsequent Event [Member]
Aggregate principal amount	$ 750,000,000
ABL Facility [Member] \| Subsequent Event [Member] \| Maximum [Member]
Reduction in line of credit facility	$ 475,000,000

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant