Financial Instruments - Schedule of Short-term and Long-term Investment Marketable Securities by Security Type (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Available For Sale Securities Fair Value To Amortized Cost Basis [Line Items]
Amortized Cost	$ 304,247	$ 371,927
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(3,633)	(838)
Estimated Fair Value	300,614	371,089
Long Term Investment
Available For Sale Securities Fair Value To Amortized Cost Basis [Line Items]
Amortized Cost	44,175	141,078
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(993)	(681)
Estimated Fair Value	43,182	140,397
Long Term Investment \| U.S. Government Notes
Available For Sale Securities Fair Value To Amortized Cost Basis [Line Items]
Amortized Cost		20,166
Gross Unrealized Gains		0
Gross Unrealized Losses		(77)
Estimated Fair Value		20,089
Corporate Note Securities \| Long Term Investment
Available For Sale Securities Fair Value To Amortized Cost Basis [Line Items]
Amortized Cost	44,175	117,868
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(993)	(596)
Estimated Fair Value	43,182	117,272
Asset-backed Securities \| Long Term Investment
Available For Sale Securities Fair Value To Amortized Cost Basis [Line Items]
Amortized Cost		3,044
Gross Unrealized Gains		0
Gross Unrealized Losses		(8)
Estimated Fair Value		3,036
Short Term Investments
Available For Sale Securities Fair Value To Amortized Cost Basis [Line Items]
Amortized Cost	260,072	230,849
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(2,640)	(157)
Estimated Fair Value	257,432	230,692
Short Term Investments \| U.S. Government Notes
Available For Sale Securities Fair Value To Amortized Cost Basis [Line Items]
Amortized Cost	62,139	18,033
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(683)	(35)
Estimated Fair Value	61,456	17,998
Short Term Investments \| Corporate Note Securities
Available For Sale Securities Fair Value To Amortized Cost Basis [Line Items]
Amortized Cost	132,863	98,642
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(1,783)	(95)
Estimated Fair Value	131,080	98,547
Short Term Investments \| Asset-backed Securities
Available For Sale Securities Fair Value To Amortized Cost Basis [Line Items]
Amortized Cost	3,023
Gross Unrealized Gains	0
Gross Unrealized Losses	(42)
Estimated Fair Value	2,981
Short Term Investments \| Commercial Paper
Available For Sale Securities Fair Value To Amortized Cost Basis [Line Items]
Amortized Cost	62,047	114,174
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(132)	(27)
Estimated Fair Value	$ 61,915	$ 114,147

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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