Goodwill (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
|||
|---|---|---|---|---|---|
| Goodwill [Abstract] | |||||
| Goodwill | $ 196,573 | $ 196,573 | |||
| Mainland China [Member] | |||||
| Goodwill [Abstract] | |||||
| Goodwill | 32,179 | 32,179 | |||
| Americas/Pacific [Member] | |||||
| Goodwill [Abstract] | |||||
| Goodwill | 9,449 | 9,449 | |||
| South Korea [Member] | |||||
| Goodwill [Abstract] | |||||
| Goodwill | 29,261 | 29,261 | |||
| Southeast Asia [Member] | |||||
| Goodwill [Abstract] | |||||
| Goodwill | 18,537 | 18,537 | |||
| Japan [Member] | |||||
| Goodwill [Abstract] | |||||
| Goodwill | 16,019 | 16,019 | |||
| EMEA [Member] | |||||
| Goodwill [Abstract] | |||||
| Goodwill | 2,875 | 2,875 | |||
| Hong Kong/Taiwan [Member] | |||||
| Goodwill [Abstract] | |||||
| Goodwill | 6,634 | 6,634 | |||
| Manufacturing [Member] | |||||
| Goodwill [Abstract] | |||||
| Goodwill | 72,469 | 72,469 | [1] | ||
| Grow Tech [Member] | |||||
| Goodwill [Abstract] | |||||
| Goodwill | $ 9,150 | $ 9,150 | [1] | ||
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