Current and Long-Term Obligations - Summary of Long-Term Obligations (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Feb. 28, 2021
Debt Instrument [Line Items]
Total long-term obligations, Principal Amount	$ 1,251,454
Total long-term obligations, Gross Carrying Amount	1,364,860
Total long term obligations, Deferred Financing Costs	(16,618)
Total long-term obligations, Net Carrying Amount	1,348,242	$ 1,352,562	$ 1,360,181
Current portion, Net Carrying Amount	(920)	(1,373)	(1,265)
Long-term obligations excluding current portion, Principal Amount	1,250,534
Long-term obligations excluding current portion, Gross Carrying Amount	1,363,940
Long-term obligations excluding current portion, Deferred Financing	(16,618)
Long-term obligations excluding current portion, Net Carrying Amount	1,347,322	1,351,189	1,358,916
8.75% Senior Secured First Lien Notes due 2026 [Member]
Debt Instrument [Line Items]
Total long-term obligations, Principal Amount	750,000			$ 750,000
Total long-term obligations, Gross Carrying Amount	750,000
Total long term obligations, Deferred Financing Costs	(15,312)
Total long-term obligations, Net Carrying Amount	734,688	732,957	731,305
Finance lease obligations [Member]
Debt Instrument [Line Items]
Total long-term obligations, Principal Amount	12,295
Total long-term obligations, Gross Carrying Amount	12,295
Total long term obligations, Deferred Financing Costs	0
Total long-term obligations, Net Carrying Amount	12,295	12,988	13,398
6.125% Senior Notes due 2023 [Member]
Debt Instrument [Line Items]
Total long-term obligations, Principal Amount	22,924
Total long-term obligations, Gross Carrying Amount	22,924
Total long term obligations, Deferred Financing Costs	(62)
Total long-term obligations, Net Carrying Amount	22,862	22,834	22,806
6.625% Senior Notes due 2026 [Member]
Debt Instrument [Line Items]
Total long-term obligations, Principal Amount	92,254
Total long-term obligations, Gross Carrying Amount	92,254
Total long term obligations, Deferred Financing Costs	(591)
Total long-term obligations, Net Carrying Amount	91,663	91,591	91,519
First Lien Party City Notes due 2025 [Member]
Debt Instrument [Line Items]
Total long-term obligations, Principal Amount	161,669
Total long-term obligations, Gross Carrying Amount	193,426
Total long term obligations, Deferred Financing Costs	0
Total long-term obligations, Net Carrying Amount	193,426	198,004	202,588
First Lien Anagram Notes due 2025 [Member]
Debt Instrument [Line Items]
Total long-term obligations, Principal Amount	118,699
Total long-term obligations, Gross Carrying Amount	149,385
Total long term obligations, Deferred Financing Costs	(653)
Total long-term obligations, Net Carrying Amount	148,732	149,569	150,451
Second Lien Anagram Notes due 2026 [Member]
Debt Instrument [Line Items]
Total long-term obligations, Principal Amount	93,613
Total long-term obligations, Gross Carrying Amount	144,576
Total long term obligations, Deferred Financing Costs	0
Total long-term obligations, Net Carrying Amount	$ 144,576	$ 144,619	$ 148,114