Financial Statements Details - Contract Balances (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Change in Contract with Customer, Asset [Roll Forward]
Contract assets, beginning balance	$ 16,380	$ 25,565
Contract assets, ending balance	9,762	9,636
Change in Contract with Customer, Liability [Roll Forward]
Contract liabilities, beginning balance	85,957	61,050
Less: Revenue recognized from beginning balance	(7,913)	(4,847)
Less: Beginning balance reclassified to deferred revenue	(12,492)	(2,433)
Add: Contract liabilities recognized	14,913	10,555
Contract liabilities, ending balance	80,465	$ 64,325
Other Current Liabilities
Change in Contract with Customer, Liability [Roll Forward]
Contract liabilities, beginning balance	34,500
Contract liabilities, ending balance	$ 35,900