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Cash Equivalents and Marketable Securities - Schedule of Cash Equivalent and Marketable Securities Classified as Available-for-Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis Cash Equivalents	$ 396,103	$ 362,062
Unrealized Gains	98	0
Unrealized Losses	(4)	(54)
Cash Equivalents, Estimated Fair Value	396,197	362,008
Amortized Cost Basis	430,331	413,916
Unrealized Gains	99	0
Unrealized Losses	(111)	(328)
Estimated Fair Value	430,319	413,588
Commercial Paper
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis Cash Equivalents	20,971	159,812
Unrealized Gains	0	0
Unrealized Losses	(4)	(54)
Cash Equivalents, Estimated Fair Value	20,967	159,758
Agency Discount Notes
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis Cash Equivalents	322,988
Unrealized Gains	98
Unrealized Losses	0
Cash Equivalents, Estimated Fair Value	323,086
Money Market Funds
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis Cash Equivalents	52,144	202,250
Unrealized Gains	0	0
Unrealized Losses	0	0
Cash Equivalents, Estimated Fair Value	52,144	202,250
Short-term Marketable Securities
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	34,228	51,854
Unrealized Gains	1	0
Unrealized Losses	(107)	(274)
Estimated Fair Value	34,122	51,580
Short-term Marketable Securities | Commercial Paper
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	34,228	51,854
Unrealized Gains	1	0
Unrealized Losses	(107)	(274)
Estimated Fair Value	$ 34,122	$ 51,580

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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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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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