Condensed Consolidating Financial Information - Condensed Consolidating Statement of Operations and Comprehensive Loss (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Net sales	$ 538,671	$ 483,585	$ 1,455,073	$ 1,323,216
Royalties and franchise fees	3,990	3,815	12,149	11,961
Total revenues	542,661	487,400	1,467,222	1,335,177
Expenses:
Cost of sales	354,525	322,683	933,424	877,258
Wholesale selling expenses	18,244	17,038	54,870	51,091
Retail operating expenses	95,571	90,403	261,524	245,252
Franchise expenses	3,537	3,368	10,333	9,872
General and administrative expenses	37,135	38,389	107,590	107,718
Art and development costs	4,871	4,782	14,495	14,480
Total expenses	513,883	476,663	1,382,236	1,305,671
Income (loss) from operations	28,778	10,737	84,986	29,506
Interest expense, net	31,023	32,455	92,623	98,129
Other (income) expense, net	(116)	1,510	4,435	15,991
(Loss) income before income taxes	(2,129)	(23,228)	(12,072)	(84,614)
Income tax (benefit) expense	(1,482)	(12,676)	(4,228)	(34,437)
Equity based income from subsidiaries	0	0	0	0
Net (loss) income	(647)	(10,552)	(7,844)	(50,177)
Less: net income attributable to noncontrolling interests	0	45	0	224
Net (loss) income attributable to Party City Holdings Inc.	(647)	(10,597)	(7,844)	(50,401)
Comprehensive (loss) income	(12,773)	(1,728)	(15,937)	(51,232)
Less: comprehensive income attributable to noncontrolling interests	0	18	0	201
Comprehensive (loss) income attributable to Party City Holdings Inc.	(12,773)	(1,746)	(15,937)	(51,433)
Eliminations [Member]
Revenues:
Net sales	(48,208)	(40,941)	(102,773)	(75,992)
Royalties and franchise fees	0	0	0	0
Total revenues	(48,208)	(40,941)	(102,773)	(75,992)
Expenses:
Cost of sales	(48,208)	(40,941)	(102,773)	(75,992)
Wholesale selling expenses	0	0	0	0
Retail operating expenses	0	0	0	0
Franchise expenses	0	0	0	0
General and administrative expenses	0	0	0	0
Art and development costs	0	0	0	0
Total expenses	(48,208)	(40,941)	(102,773)	(75,992)
Income (loss) from operations	0	0	0	0
Interest expense, net	0	0	0	0
Other (income) expense, net	0	0	0	0
(Loss) income before income taxes	0	0	0	0
Income tax (benefit) expense	0	0	0	0
Equity based income from subsidiaries	(15,873)	(3,381)	(43,524)	(6,115)
Net (loss) income		(3,381)		(6,115)
Less: net income attributable to noncontrolling interests		(45)		(224)
Net (loss) income attributable to Party City Holdings Inc.	(15,873)	(3,336)	(43,524)	(5,891)
Comprehensive (loss) income	(3,747)	(12,102)	(35,431)	(5,060)
Less: comprehensive income attributable to noncontrolling interests		(18)		(201)
Comprehensive (loss) income attributable to Party City Holdings Inc.		(12,084)		(4,859)
PCHI [Member]
Revenues:
Net sales	0	0	0	0
Royalties and franchise fees	0	0	0	0
Total revenues	0	0	0	0
Expenses:
Cost of sales	0	0	0	0
Wholesale selling expenses	0	0	0	0
Retail operating expenses	0	0	0	0
Franchise expenses	0	0	0	0
General and administrative expenses	0	0	0	0
Art and development costs	0	0	0	0
Total expenses	0	0	0	0
Income (loss) from operations	0	0	0	0
Interest expense, net	26,506	27,464	78,723	82,294
Other (income) expense, net	(283)	3,081	2,814	12,631
(Loss) income before income taxes	(26,223)	(30,545)	(81,537)	(94,925)
Income tax (benefit) expense	(9,703)	(16,612)	(30,169)	(38,633)
Equity based income from subsidiaries	15,873	3,381	43,524	6,115
Net (loss) income		(10,552)		(50,177)
Less: net income attributable to noncontrolling interests		45		224
Net (loss) income attributable to Party City Holdings Inc.	(647)	(10,597)	(7,844)	(50,401)
Comprehensive (loss) income	(12,773)	(1,728)	(15,937)	(51,232)
Less: comprehensive income attributable to noncontrolling interests		18		201
Comprehensive (loss) income attributable to Party City Holdings Inc.		(1,746)		(51,433)
Combined Guarantors [Member]
Revenues:
Net sales	450,924	414,615	1,261,015	1,161,207
Royalties and franchise fees	3,990	3,815	12,149	11,961
Total revenues	454,914	418,430	1,273,164	1,173,168
Expenses:
Cost of sales	290,984	274,835	794,761	763,782
Wholesale selling expenses	10,371	10,265	31,246	31,086
Retail operating expenses	90,093	85,908	247,200	233,942
Franchise expenses	3,537	3,368	10,333	9,872
General and administrative expenses	30,807	32,287	88,734	89,581
Art and development costs	4,871	4,649	14,495	14,033
Total expenses	430,663	411,312	1,186,769	1,142,296
Income (loss) from operations	24,251	7,118	86,395	30,872
Interest expense, net	4,528	4,869	13,842	15,421
Other (income) expense, net	3,594	1,564	8,889	9,723
(Loss) income before income taxes	16,129	685	63,664	5,728
Income tax (benefit) expense	7,496	606	24,592	2,331
Equity based income from subsidiaries	0	0	0	0
Net (loss) income		79		3,397
Less: net income attributable to noncontrolling interests		0		0
Net (loss) income attributable to Party City Holdings Inc.	8,633	79	39,072	3,397
Comprehensive (loss) income	8,633	79	39,072	3,397
Less: comprehensive income attributable to noncontrolling interests		0		0
Comprehensive (loss) income attributable to Party City Holdings Inc.		79		3,397
Combined Non-Guarantors [Member]
Revenues:
Net sales	135,955	109,911	296,831	238,001
Royalties and franchise fees	0	0	0	0
Total revenues	135,955	109,911	296,831	238,001
Expenses:
Cost of sales	111,749	88,789	241,436	189,468
Wholesale selling expenses	7,873	6,773	23,624	20,005
Retail operating expenses	5,478	4,495	14,324	11,310
Franchise expenses	0	0	0	0
General and administrative expenses	6,328	6,102	18,856	18,137
Art and development costs	0	133	0	447
Total expenses	131,428	106,292	298,240	239,367
Income (loss) from operations	4,527	3,619	(1,409)	(1,366)
Interest expense, net	11	122	58	414
Other (income) expense, net	(3,427)	(3,135)	(7,268)	(6,363)
(Loss) income before income taxes	7,965	6,632	5,801	4,583
Income tax (benefit) expense	725	3,330	1,349	1,865
Equity based income from subsidiaries	0	0	0	0
Net (loss) income		3,302		2,718
Less: net income attributable to noncontrolling interests		45		224
Net (loss) income attributable to Party City Holdings Inc.	7,240	3,257	4,452	2,494
Comprehensive (loss) income	(4,886)	12,023	(3,641)	1,663
Less: comprehensive income attributable to noncontrolling interests		18		201
Comprehensive (loss) income attributable to Party City Holdings Inc.		$ 12,005		$ 1,462