SEGMENT INFORMATION, Revenue by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue by Product Line [Abstract]
Revenue	$ 550,101	$ 600,475	$ 1,049,200	$ 1,072,306
Nu Skin [Member]
Revenue by Product Line [Abstract]
Revenue	345,287	365,266	647,160	655,255
Pharmanex [Member]
Revenue by Product Line [Abstract]
Revenue	202,912	234,014	399,015	414,728
Other [Member]
Revenue by Product Line [Abstract]
Revenue	$ 1,902	$ 1,195	$ 3,025	$ 2,323