Acquisitions - General Information (Details)	Sep. 14, 2018	May 09, 2018
Echelon Corporation [Member]
Business Acquisition, Date of Acquisition [Abstract]
Date of Acquisition	Sep. 14, 2018
Business Combination, Description [Abstract]
Percentage of issued capital acquired (as a percent)	100.00%
S3 Asic Semiconductors Limited [Member]
Business Acquisition, Date of Acquisition [Abstract]
Date of Acquisition		May 09, 2018
Business Combination, Description [Abstract]
Percentage of issued capital acquired (as a percent)		100.00%