Financial Statements Details - Contract Balances (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Change in Contract with Customer, Asset [Roll Forward]
Contract assets, beginning balance	$ 25,565	$ 6,341
Contract assets, ending balance	9,636	5,699
Change in Contract with Customer, Liability [Roll Forward]
Contract liabilities, beginning balance	61,050	32,595
Less: Revenue recognized from beginning balance	(4,847)	(2,826)
Less: Beginning balance reclassified to deferred revenue	(2,433)	(1,259)
Add: Contract liabilities recognized	10,555	8,804
Contract liabilities, ending balance	64,325	$ 37,314
Other Current Liabilities
Change in Contract with Customer, Liability [Roll Forward]
Contract liabilities, beginning balance	23,400
Contract liabilities, ending balance	$ 26,300