Goodwill and Intangible Assets - Schedule of Changes in Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Goodwill
Goodwill beginning balance	$ 132,437
Foreign currency translation adjustment	(1,339)
Goodwill ending balance	138,020
Wafer Fabrication Facility in Greenock, Scotland
Goodwill
Acquisitions	931	[1]
Canyon Investment
Goodwill
Acquisitions	1,671	[2]
ERIS Investment in Yea-Shin
Goodwill
Acquisitions	$ 4,320	[3]

[1] The Company’s acquisition accounting for the purchase of a wafer fabrication facility in Greenock, Scotland, (“GFAB”).  (See Note 13 for additional information).

[2] The Company’s acquisition accounting for the Company’s investment of $3.4 million in Canyon Semiconductor.  This investment brings our ownership of Canyon to 51%.  During the nine months ended September 30 2019, as a measurement period adjustment, we finalized our acquisition accounting with finalization of   the value of non-controlling interest and deferred taxes.

[3] The Company’s acquisition accounting related to Eris’ investment of approximately $6.4 million in Yea-Shin Technology Corporation.  During the second quarter of 2019, as a measurement period adjustment, we increased goodwill approximately $4.3 million, related to finalization of deferred taxes. The Company owns approximately 51% of Eris and Eris owns approximately 60% of Yea-Shin.