Fair Value Measurements - Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,777,812	$ 896,185
Gross unrealized gains	8,891	0
Gross unrealized losses	(5,185)	(31,420)
Aggregate Fair Value	1,781,518	864,765
Short-Term Marketable Securities	372,014	562,308
Long-Term Marketable Securities	1,409,504	302,457
Time deposits
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	14,426	19,530
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Aggregate Fair Value	14,426	19,530
Short-Term Marketable Securities	14,426	19,530
Long-Term Marketable Securities	0	0
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	6,249
Gross unrealized gains	0
Gross unrealized losses	(5)
Aggregate Fair Value	6,244
Short-Term Marketable Securities	6,244
Long-Term Marketable Securities	0
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,328,980	624,082
Gross unrealized gains	6,429	0
Gross unrealized losses	(4,201)	(21,029)
Aggregate Fair Value	1,331,208	603,053
Short-Term Marketable Securities	276,975	362,458
Long-Term Marketable Securities	1,054,233	240,595
U.S. government agency obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	428,157	252,573
Gross unrealized gains	2,462	0
Gross unrealized losses	(979)	(10,391)
Aggregate Fair Value	429,640	242,182
Short-Term Marketable Securities	74,369	180,320
Long-Term Marketable Securities	$ 355,271	$ 61,862