Revenue and Accounts Receivable, Net - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Schedule of Allowance for Doubtful Accounts
Balance at beginning of period	$ 1,492	$ 1,121
Additions to costs and expenses	237	3
(Write-offs)/Foreign exchange effects	(48)	(4)
Balance at end of period	$ 1,681	$ 1,120