Cash Equivalents and Investments - Schedule of Cash Equivalents and Short and Long-Term Investments (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 2,816,924
Gross Unrealized Gains	103
Gross Unrealized Losses	(15,283)
Fair Value	2,801,896
Cash Equivalents	297,397
Short-Term Investments	1,599,602
Long-Term Investments	904,897
Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	2,816,924
Gross Unrealized Gains	103
Gross Unrealized Losses	(15,283)
Fair Value	2,801,744
Cash Equivalents	297,397
Short-Term Investments	1,599,450
Long-Term Investments	904,897
Level 1 | Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	1,877,904	$ 1,903,880
Gross Unrealized Gains	10	0
Gross Unrealized Losses	(8,954)	0
Fair Value	1,868,960	1,903,880
Cash Equivalents	281,941	1,903,880
Short-Term Investments	1,087,784	0
Long-Term Investments	499,235	0
Level 1 | Equity Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value	152
Cash Equivalents	0
Short-Term Investments	152
Long-Term Investments	0
Level 2 | Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	939,020
Gross Unrealized Gains	93
Gross Unrealized Losses	(6,329)
Fair Value	932,784
Cash Equivalents	15,456
Short-Term Investments	511,666
Long-Term Investments	405,662
Money market funds | Level 1 | Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	281,941	1,903,880
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	281,941	1,903,880
Cash Equivalents	281,941	1,903,880
Short-Term Investments	0	0
Long-Term Investments	0	$ 0
U.S. Treasury securities | Level 1 | Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	1,595,963
Gross Unrealized Gains	10
Gross Unrealized Losses	(8,954)
Fair Value	1,587,019
Cash Equivalents	0
Short-Term Investments	1,087,784
Long-Term Investments	499,235
U.S. agency securities | Level 2 | Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	350,302
Gross Unrealized Gains	22
Gross Unrealized Losses	(906)
Fair Value	349,418
Cash Equivalents	0
Short-Term Investments	290,291
Long-Term Investments	59,127
Foreign government securities | Level 2 | Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	14,212
Gross Unrealized Gains	28
Gross Unrealized Losses	(135)
Fair Value	14,105
Cash Equivalents	0
Short-Term Investments	0
Long-Term Investments	14,105
Certificates of deposits | Level 2 | Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	8,748
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	8,748
Cash Equivalents	0
Short-Term Investments	8,748
Long-Term Investments	0
Commercial paper | Level 2 | Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	183,661
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	183,661
Cash Equivalents	15,456
Short-Term Investments	168,205
Long-Term Investments	0
Corporate debt securities | Level 2 | Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	382,097
Gross Unrealized Gains	43
Gross Unrealized Losses	(5,288)
Fair Value	376,852
Cash Equivalents	0
Short-Term Investments	44,422
Long-Term Investments	332,430
Mutual funds | Level 1 | Equity Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value	152
Cash Equivalents	0
Short-Term Investments	152
Long-Term Investments	$ 0