Cash Equivalents and Marketable Securities - Schedule of Carrying Amounts and Fair Values of Debt Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Unrealized Gains	$ 68	$ 1,005
Unrealized Losses	(993)	(1,331)
Cash Equivalents and Available-for-sale Debt Securities
Amortized Cost	949,605	1,061,129
Fair Value	948,680	1,060,803
Cash equivalents:
Debt Securities, Available-for-sale [Line Items]
Unrealized Gains	0	23
Unrealized Losses	(2)	0
Cash Equivalents and Available-for-sale Debt Securities
Amortized Cost	239,834	362,852
Fair Value	239,832	362,875
Cash equivalents: \| U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	20,939	239,727
Unrealized Gains	0	22
Unrealized Losses	(1)	0
Fair Value	20,938	239,749
Cash equivalents: \| U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	23,918	8,388
Unrealized Gains	0	1
Unrealized Losses	(1)	0
Fair Value	23,917	8,389
Cash equivalents: \| Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	53,734	36,905
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	53,734	36,905
Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	709,771	698,277
Unrealized Gains	68	982
Unrealized Losses	(991)	(1,331)
Fair Value	708,848	697,928
Marketable Securities \| U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	307,686	264,554
Unrealized Gains	58	339
Unrealized Losses	(310)	(398)
Fair Value	307,434	264,495
Marketable Securities \| U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	291,518	366,946
Unrealized Gains	4	571
Unrealized Losses	(565)	(824)
Fair Value	290,957	366,693
Marketable Securities \| Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	54,788	66,777
Unrealized Gains	6	72
Unrealized Losses	(116)	(109)
Fair Value	54,678	66,740
Marketable Securities \| Certificates of deposit
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	55,779
Unrealized Gains	0
Unrealized Losses	0
Fair Value	55,779
Money market funds
Debt Securities, Available-for-sale [Line Items]
Cash equivalents:	$ 141,243	$ 77,832

Cash Equivalents And Available-For-Sale Debt Securities

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Cash Equivalents And Available-For-Sale Debt Securities, Amortized Cost

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Cash Equivalents And Debt Securities, Available-For-Sale, Excluding Accrued Interest

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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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Amount of 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. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amortized cost excluding accrued interest, after allowance for credit loss, of 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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