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Segment Information, Revenue by Segment (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($) Segment | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Segment Information [Abstract] |  |  |  |
Number of reportable segments | Segment |  | 9 |  |
Number of geographic segments | Segment |  | 7 |  |
Number of new segments previously included in Other category | Segment |  | 2 |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | $ 2,420,416 | $ 2,679,008 | $ 2,279,099
Other [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | 1,621 | 3,423 | 6,300
Nu Skin [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | 2,298,362 | 2,588,402 | 2,279,099
Nu Skin [Member] | Mainland China [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | 722,526 | 886,472 | 716,991
Nu Skin [Member] | Americas/Pacific [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | 349,078 | 385,034 | 342,429
Nu Skin [Member] | South Korea [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | 329,978 | 373,357 | 361,692
Nu Skin [Member] | Southeast Asia [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | 301,620 | 316,890 | 268,631
Nu Skin [Member] | Japan [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | 260,039 | 254,939 | 256,085
Nu Skin [Member] | EMEA [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | 167,165 | 182,394 | 160,275
Nu Skin [Member] | Hong Kong/Taiwan [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | 166,335 | 185,893 | 166,696
Operating Segment [Member] | Manufacturing [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue | [1] | 121,917 | 90,606 | 0
Operating Segment [Member] | Grow Tech [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | 137 | 0 | 0
Intersegment Member] | Manufacturing [Member] |  |  |  |
Revenue by Segment [Abstract] |  |  |  |
Revenue |  | $ 25,700 | $ 23,500 | $ 0
[1] | The Manufacturing segment had $25.7 million, $23.5 million and zero of intersegment revenue for the years ended December 31, 2019, 2018 and 2017, respectively. Intersegment revenue is eliminated in the consolidated financial statements, as well as the reported segment revenue in the table above.

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