Financial Statements Details - Contract Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Change in Contract with Customer, Asset [Roll Forward]
Contract assets, beginning balance			$ 16,380
Contract assets, ending balance	$ 11,935		11,935
Change in Contract with Customer, Liability [Roll Forward]
Contract liabilities, beginning balance	80,465	$ 64,325	85,957	$ 61,050
Less: Revenue recognized from beginning balance	(8,482)	(5,735)	(18,482)	(11,722)
Less: Beginning balance reclassified to deferred revenue	(3,856)	(2,757)	(12,710)	(2,226)
Add: Contract liabilities recognized	15,227	11,435	28,589	20,166
Contract liabilities, ending balance	83,354	$ 67,268	83,354	$ 67,268
Other Current Liabilities
Change in Contract with Customer, Liability [Roll Forward]
Contract liabilities, beginning balance			34,500
Contract liabilities, ending balance	$ 35,900		$ 35,900