SEGMENT INFORMATION, Revenue by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue by Product Line [Abstract]
Revenue	$ 563,698	$ 604,162	$ 1,612,898	$ 1,676,468
Nu Skin [Member]
Revenue by Product Line [Abstract]
Revenue	338,305	343,131	985,465	998,386
Pharmanex [Member]
Revenue by Product Line [Abstract]
Revenue	224,031	259,896	623,046	674,624
Other [Member]
Revenue by Product Line [Abstract]
Revenue	$ 1,362	$ 1,135	$ 4,387	$ 3,458