Goodwill (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill

Changes in goodwill for the years ended December 31, were as follows:

Balance at December 31, 2016	$	129,412
Foreign currency translation adjustment		4,775
Balance at December 31, 2017		134,187
ERIS acquisition of Yea Shin Technology Corporation (See Note 19)		1,029
Foreign currency translation adjustment		(2,779	)
Balance at December 31, 2018	$	132,437