Cash and Cash Equivalents, and Investments and Fair Value Measurements - Schedule of Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	$ 534,248
Fair Value	534,511
Cash and cash equivalents:
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	135,757	$ 473,677
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	135,757	473,677
Cash and cash equivalents: \| Cash
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	45,050	33,532
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	45,050	33,532
Cash and cash equivalents: \| Money market funds \| Level 1
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	90,707	440,145
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	90,707	440,145
Short-term investments:
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	194,787	588,474
Unrealized Gain	0	0
Unrealized Loss	(530)	(4,501)
Fair Value	194,257	583,973
Short-term investments: \| Corporate debt securities \| Level 2
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	69,548	491,459
Unrealized Gain	0	0
Unrealized Loss	(170)	(4,130)
Fair Value	69,378	487,329
Short-term investments: \| U.S. treasury securities
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost		85,271
Unrealized Gain		0
Unrealized Loss		(342)
Fair Value		84,929
Short-term investments: \| U.S. treasury securities \| Level 1
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	25,734
Unrealized Gain	0
Unrealized Loss	(114)
Fair Value	25,620
Short-term investments: \| Agency bonds \| Level 1
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	99,505
Unrealized Gain	0
Unrealized Loss	(246)
Fair Value	99,259
Short-term investments: \| Commercial paper \| Level 2
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost		11,744
Unrealized Gain		0
Unrealized Loss		(29)
Fair Value		11,715
Long-term investments:
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	248,754	217,003
Unrealized Gain	1,063	280
Unrealized Loss	(270)	(1,050)
Fair Value	249,547	216,233
Long-term investments: \| Corporate debt securities \| Level 2
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	191,467	125,735
Unrealized Gain	898	158
Unrealized Loss	(213)	(909)
Fair Value	192,152	124,984
Long-term investments: \| U.S. treasury securities \| Level 1
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost	57,287	30,633
Unrealized Gain	165	122
Unrealized Loss	(57)	0
Fair Value	$ 57,395	30,755
Long-term investments: \| Agency bonds \| Level 2
Schedule Of Available For Sale Securities [Line Items]
Adjusted Cost		60,635
Unrealized Gain		0
Unrealized Loss		(141)
Fair Value		$ 60,494

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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