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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]
[1] | Goodwill for December 31, 2018 has been recast to reflect the separate disclosure of Manufacturing and Grow Tech.

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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