Segment Information - Net revenue by geographic area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Net revenue	$ 1,807,719	$ 2,376,705	$ 3,930,412	$ 4,727,544
United States
Segment Reporting Information [Line Items]
Net revenue	1,737,615	2,270,768	3,771,069	4,574,680
International
Segment Reporting Information [Line Items]
Net revenue	$ 70,104	$ 105,937	$ 159,343	$ 152,864