Cash Equivalents and Marketable Securities - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 248,239	$ 256,100	$ 404,885
Debt Securities, Available-for-sale [Line Items]
Marketable securities, amortized cost	525,903	556,627
Marketable securities, unrealized gains	2,262	1,284
Marketable securities, unrealized losses	(50)	(289)
Marketable securities, aggregate fair value	528,115	557,622
Cash and cash equivalents and available-for-sale securities, amortized cost	635,597	665,453
Cash and cash equivalents and available-for-sale securities, unrealized gains	2,264
Cash and cash equivalents and marketable securities, aggregate fair value	637,811	666,448
Money market funds
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	99,716	108,826
Cash and cash equivalents, aggregate fair value	99,716	108,826
Cash Equivalents
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	109,694	108,826
Cash and cash equivalents, aggregate fair value	109,696	108,826
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents, unrealized gains	2
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Marketable securities, amortized cost	5,953	56,115
Marketable securities, unrealized gains	0	0
Marketable securities, unrealized losses	0	0
Marketable securities, aggregate fair value	5,953	56,115
U.S. treasury debt securities
Debt Securities, Available-for-sale [Line Items]
Marketable securities, unrealized gains		531
Marketable securities, unrealized losses	(34)	(80)
Cash and cash equivalents and available-for-sale securities, amortized cost	255,229	224,136
Cash and cash equivalents and available-for-sale securities, unrealized gains	989
Cash and cash equivalents and marketable securities, aggregate fair value	256,184	224,587
U.S. government agency debt securities
Debt Securities, Available-for-sale [Line Items]
Marketable securities, amortized cost	92,849	110,036
Marketable securities, unrealized gains	401	256
Marketable securities, unrealized losses	(2)	(15)
Marketable securities, aggregate fair value	93,248	110,277
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Marketable securities, amortized cost	181,850	165,341
Marketable securities, unrealized gains	874	497
Marketable securities, unrealized losses	(14)	(187)
Marketable securities, aggregate fair value	$ 182,710	165,651
Foreign government debt securities
Debt Securities, Available-for-sale [Line Items]
Marketable securities, amortized cost		999
Marketable securities, unrealized gains		0
Marketable securities, unrealized losses		(7)
Marketable securities, aggregate fair value		$ 992

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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