Goodwill (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Goodwill [Abstract]
Goodwill	$ 202,979	$ 202,979
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
EMEA [Member]
Goodwill [Abstract]
Goodwill	2,875	2,875
Japan [Member]
Goodwill [Abstract]
Goodwill	16,019	16,019
Southeast Asia [Member]
Goodwill [Abstract]
Goodwill	18,537	18,537
Hong Kong/Taiwan [Member]
Goodwill [Abstract]
Goodwill	6,634	6,634
Manufacturing [Member]
Goodwill [Abstract]
Goodwill	78,875	78,875
Grow Tech [Member]
Goodwill [Abstract]
Goodwill	$ 9,150	$ 9,150