Segment Information and Operations by Geographic Area - Revenue (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) segment	Jun. 30, 2019 USD ($)
Long-lived assets (primarily consist of property and equipment)
Number of Operating Segments | segment			1
Revenues	$ 133,316	$ 95,540	$ 240,590	$ 191,425
United States of America
Long-lived assets (primarily consist of property and equipment)
Revenues	104,377	73,835	188,385	146,703
Americas, excluding the United States
Long-lived assets (primarily consist of property and equipment)
Revenues	7,827	5,979	14,447	12,197
EMEA
Long-lived assets (primarily consist of property and equipment)
Revenues	14,715	10,902	26,573	22,430
APAC
Long-lived assets (primarily consist of property and equipment)
Revenues	$ 6,397	$ 4,824	$ 11,185	$ 10,095