Revenue and Accounts Receivable, Net - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Schedule of Allowance for Doubtful Accounts
Balance at beginning of period	$ 1,492	$ 1,121
Additions to costs and expenses	240	5
(Write-offs)/Foreign exchange effects	(35)	(4)
Balance at end of period	$ 1,697	$ 1,122