Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 317,879	$ 308,421	$ 944,768	$ 921,118
US [Member]
Disaggregation of Revenue [Line Items]
Revenues	202,934	193,392	599,845	577,395
EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues	54,034	51,480	159,103	155,221
China [Member]
Disaggregation of Revenue [Line Items]
Revenues	27,463	30,647	86,676	88,337
Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 33,448	$ 32,902	$ 99,144	$ 100,165