Financial Statements Details - Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Movement in Deferred Revenue [Roll Forward]
Deferred revenue, beginning balance	$ 720,031	$ 596,775	$ 650,827	$ 575,288
Less: Revenue recognized from beginning balance	(145,556)	(104,480)	(222,865)	(178,264)
Add: Deferral of revenue in current period, excluding amounts recognized during the period	171,615	85,216	318,128	180,487
Deferred revenue, ending balance	$ 746,090	$ 577,511	$ 746,090	$ 577,511