Segment Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) segment	Mar. 31, 2018 USD ($)	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments | segment	1
Revenue	$ 595,424	$ 472,489
Long-lived assets	41,529		$ 42,549	$ 75,355
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	439,638	315,498
Europe, Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	111,269	121,886
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	44,517	$ 35,105
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	35,339			69,238
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 6,190			$ 6,117