SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF GNC HOLDINGS, INC. (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
NET CASH PROVIDED BY OPERATING ACTIVITIES:
Net income	$ 47,657	$ 73,033	$ 71,688	$ 72,643	$ 47,438	$ 62,229	$ 66,671	$ 63,857	$ 265,021	$ 240,196	$ 132,333
Other operating activities									2,147	(9,454)	(980)
Net cash provided by operating activities									238,104	221,216	174,674
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of stock											237,253
Dividends payment									(57,437)	(45,216)
Proceeds from exercise of stock options									14,588	25,972	28,550
Repurchase of treasury stock									(310,582)	(359,990)	(61,634)
Repurchase of Class A Preferred Stock											(223,107)
Net cash used in financing activities									(91,803)	(146,924)	(173,648)
Net increase (decrease) in cash and cash equivalents									67,676	30,103	(65,464)
Beginning balance, cash and cash equivalents				158,541				128,438	158,541	128,438	193,902
Ending balance, cash and cash equivalents	226,217				158,541				226,217	158,541	128,438
Holdings
NET CASH PROVIDED BY OPERATING ACTIVITIES:
Net income									265,021	240,196	132,333
Equity in income of subsidiaries									(265,522)	(241,492)	(140,359)
Dividends received									289,300	348,000	225,000
Other operating activities									1,334	421	7,320
Net cash provided by operating activities									290,133	347,125	224,294
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of stock											237,253
Dividends payment									(57,437)	(45,216)
Loan from a subsidiary									62,700		85,470
Contributed capital											(301,098)
Proceeds from exercise of stock options									14,588	25,972	28,550
Repurchase of treasury stock									(310,582)	(359,990)	(61,634)
Repurchase of Class A Preferred Stock											(223,107)
Net cash used in financing activities									(290,731)	(379,234)	(234,566)
Net increase (decrease) in cash and cash equivalents									(598)	(32,109)	(10,272)
Beginning balance, cash and cash equivalents				880				32,989	880	32,989	43,261
Ending balance, cash and cash equivalents	$ 282				$ 880				$ 282	$ 880	$ 32,989