Revenue from Contracts with Customer - Schedule of Revenue Disaggregation by Location (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Total revenues	$ 248,480	$ 202,997	$ 693,416	$ 581,977
Americas
Disaggregation of Revenue [Line Items]
Total revenues	126,583	102,104	347,753	287,942
United States
Disaggregation of Revenue [Line Items]
Total revenues	104,805	91,993	289,245	251,194
EMEA
Disaggregation of Revenue [Line Items]
Total revenues	75,982	63,335	218,845	184,913
United Kingdom
Disaggregation of Revenue [Line Items]
Total revenues	22,703	18,470	65,328	46,355
Asia-Pacific (“APAC”)
Disaggregation of Revenue [Line Items]
Total revenues	$ 45,915	$ 37,558	$ 126,818	$ 109,122