CONDENSED FINANCIAL INFORMATION OF GNC HOLDINGS, INC. (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 56,462	$ 133,834	$ 226,217	$ 158,541
Prepaids and other current assets	27,114	29,394
Total current assets	792,863	876,343
Long-term assets:
Total long-term assets	1,759,156	1,801,457
Total assets	2,552,019	2,677,800
Current liabilities:
Accounts payable	152,099	129,064
Deferred revenue and other current liabilities	121,062	106,539
Total current liabilities	277,711	240,343
Deferred tax liabilities	304,491	282,842
Total long-term liabilities	1,805,747	1,681,414
Total liabilities	2,083,458	1,921,757
Stockholders' equity:
Class A common stock	114	113
Additional paid-in capital	916,128	877,566
Retained earnings	1,058,148	898,574
Treasury stock, at cost	(1,496,180)	(1,016,381)
Accumulated other comprehensive loss	(9,649)	(3,829)
Total stockholders' equity	468,561	756,043	815,579	882,039
Total liabilities and stockholders' equity	2,552,019	2,677,800
GNC Holdings
Current assets:
Cash and cash equivalents	1	1	$ 282	$ 880
Prepaids and other current assets	385	343
Total current assets	386	344
Long-term assets:
Deferred financing fees	248	0
Intercompany receivable	164,300	0
Investment in subsidiaries	709,409	905,524
Total long-term assets	873,957	905,524
Total assets	874,343	905,868
Current liabilities:
Accounts payable	22	0
Intercompany payable	3,502	1,466
Deferred revenue and other current liabilities	1,995	189
Total current liabilities	5,519	1,655
Deferred tax liabilities	16,599	0
Convertible senior notes	235,085	0
Intercompany loan	148,579	148,170
Total long-term liabilities	400,263	148,170
Total liabilities	405,782	149,825
Stockholders' equity:
Additional paid-in capital	916,128	877,566
Retained earnings	1,058,148	898,574
Treasury stock, at cost	(1,496,180)	(1,016,381)
Accumulated other comprehensive loss	(9,649)	(3,829)
Total stockholders' equity	468,561	756,043
Total liabilities and stockholders' equity	874,343	905,868
Class A Common Stock | GNC Holdings
Stockholders' equity:
Class A common stock	$ 114	$ 113