Cash and Cash Equivalents, Investments and Fair Value Measurements - Schedule of Available For Sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	$ 775,094
Fair Value	769,215
Cash and cash equivalents:
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost		$ 473,677
Unrealized Gain		0
Unrealized Loss		0
Fair Value		473,677
Cash and cash equivalents: \| Level 2
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	175,368
Unrealized Gain	0
Unrealized Loss	0
Fair Value	175,368
Cash and cash equivalents: \| Cash
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	38,597	33,532
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	38,597	33,532
Cash and cash equivalents: \| Money market funds \| Level 1
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	136,771	440,145
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	136,771	440,145
Short-term investments:
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost		588,474
Unrealized Gain		0
Unrealized Loss		(4,501)
Fair Value		583,973
Short-term investments: \| Level 2
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	210,988
Unrealized Gain	0
Unrealized Loss	(1,302)
Fair Value	209,686
Short-term investments: \| Commercial paper \| Level 2
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost		11,744
Unrealized Gain		0
Unrealized Loss		(29)
Fair Value		11,715
Short-term investments: \| Corporate debt securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	106,429	491,459
Unrealized Gain	0	0
Unrealized Loss	(805)	(4,130)
Fair Value	105,624	487,329
Short-term investments: \| U.S. treasury securities \| Level 1
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	30,063	85,271
Unrealized Gain	0	0
Unrealized Loss	(32)	(342)
Fair Value	30,031	84,929
Short-term investments: \| Agency bonds \| Level 2
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	74,496
Unrealized Gain	0
Unrealized Loss	(465)
Fair Value	74,031
Long-term investments:
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost		217,003
Unrealized Gain		280
Unrealized Loss		(1,050)
Fair Value		216,233
Long-term investments: \| Level 2
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	427,335
Unrealized Gain	10
Unrealized Loss	(4,587)
Fair Value	422,758
Long-term investments: \| Corporate debt securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	195,372	125,735
Unrealized Gain	10	158
Unrealized Loss	(1,736)	(909)
Fair Value	193,646	124,984
Long-term investments: \| U.S. treasury securities \| Level 1
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	98,946	30,633
Unrealized Gain	0	122
Unrealized Loss	(1,168)	0
Fair Value	97,778	30,755
Long-term investments: \| Agency bonds \| Level 2
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost	133,017	60,635
Unrealized Gain	0	0
Unrealized Loss	(1,683)	(141)
Fair Value	$ 131,334	$ 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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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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