Segment and Geographic Information - Summary (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) Segment	Mar. 31, 2019 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | Segment	1
Segment Reporting Information [Line Items]
Revenues	$ 289,081	$ 347,077
United States
Segment Reporting Information [Line Items]
Revenues	208,218	189,372
International
Segment Reporting Information [Line Items]
Revenues	80,863	157,705
Europe
Segment Reporting Information [Line Items]
Revenues	75,965	135,276
Other geographies
Segment Reporting Information [Line Items]
Revenues	$ 4,898	$ 22,429