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Financial Instruments - Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Amortized Cost
Cash, cash equivalents and marketable securities	$ 1,303,420	$ 1,045,191
Gross Unrealized Gains
Cash, cash equivalents and marketable securities	0	2
Gross Unrealized Losses
Cash, cash equivalents and marketable securities	(1,478)	(3,631)
Fair Value
Cash and cash equivalents	1,239,013	942,050
Marketable securities	62,929	99,512
Cash, cash equivalents and marketable securities	1,301,942	1,041,562
Cash
Amortized Cost
Cash and cash equivalents	988,029	712,921
Fair Value
Cash and cash equivalents	988,029	712,921
Cash and Cash Equivalents
Fair Value
Cash, cash equivalents and marketable securities	1,239,013	942,050
Cash and Cash Equivalents | Cash
Fair Value
Cash and cash equivalents	988,029	712,921
Marketable securities, short-term
Fair Value
Cash, cash equivalents and marketable securities	44,792	57,534
Marketable securities, long-term
Fair Value
Cash, cash equivalents and marketable securities	18,137	41,978
Money market funds
Amortized Cost
Cash and cash equivalents	250,984	229,129
Fair Value
Cash and cash equivalents	250,984	229,129
Money market funds | Cash and Cash Equivalents
Fair Value
Cash and cash equivalents	250,984	229,129
Corporate bonds
Amortized Cost
Marketable securities	44,572	69,390
Gross Unrealized Gains
Marketable securities	0	0
Gross Unrealized Losses
Marketable securities	(1,160)	(2,915)
Fair Value
Marketable securities	43,412	66,475
Corporate bonds | Cash and Cash Equivalents
Fair Value
Marketable securities		0
Corporate bonds | Marketable securities, short-term
Fair Value
Marketable securities	31,828	36,510
Corporate bonds | Marketable securities, long-term
Fair Value
Marketable securities	11,584	29,965
U.S. government treasury bonds
Amortized Cost
Marketable securities	11,394	20,559
Gross Unrealized Gains
Marketable securities	0	0
Gross Unrealized Losses
Marketable securities	(235)	(549)
Fair Value
Marketable securities	11,159	20,010
U.S. government treasury bonds | Marketable securities, short-term
Fair Value
Marketable securities	6,503	15,404
U.S. government treasury bonds | Marketable securities, long-term
Fair Value
Marketable securities	4,656	4,606
Asset-backed securities
Amortized Cost
Marketable securities	2,477	4,514
Gross Unrealized Gains
Marketable securities	0	1
Gross Unrealized Losses
Marketable securities	(7)	(37)
Fair Value
Marketable securities	2,470	4,478
Asset-backed securities | Marketable securities, short-term
Fair Value
Marketable securities	1,582	2,909
Asset-backed securities | Marketable securities, long-term
Fair Value
Marketable securities	888	1,569
Municipal bonds
Amortized Cost
Marketable securities	701	3,447
Gross Unrealized Gains
Marketable securities	0	0
Gross Unrealized Losses
Marketable securities	(10)	(61)
Fair Value
Marketable securities	691	3,386
Municipal bonds | Cash and Cash Equivalents
Fair Value
Marketable securities		0
Municipal bonds | Marketable securities, short-term
Fair Value
Marketable securities	691	2,711
Municipal bonds | Marketable securities, long-term
Fair Value
Marketable securities	0	675
U.S. government agency bonds
Amortized Cost
Marketable securities	5,263	5,231
Gross Unrealized Gains
Marketable securities	0	1
Gross Unrealized Losses
Marketable securities	(66)	(69)
Fair Value
Marketable securities	5,197	5,163
U.S. government agency bonds | Marketable securities, short-term
Fair Value
Marketable securities	4,188
U.S. government agency bonds | Marketable securities, long-term
Fair Value
Marketable securities	$ 1,009	$ 5,163

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