Fair Value Measurements - Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Marketable Securities [Line Items]
Amortized Cost	$ 738,276	$ 896,185
Gross unrealized losses	(18,565)	(31,420)
Aggregate Fair Value	719,711	864,765
Short-Term Marketable Securities	491,626	562,308
Long-Term Marketable Securities	228,085	302,457
Commercial paper
Marketable Securities [Line Items]
Amortized Cost	973
Gross unrealized losses	(3)
Aggregate Fair Value	970
Short-Term Marketable Securities	970
Long-Term Marketable Securities	0
Corporate bonds
Marketable Securities [Line Items]
Amortized Cost	493,528	624,082
Gross unrealized losses	(12,986)	(21,029)
Aggregate Fair Value	480,542	603,053
Short-Term Marketable Securities	280,980	362,458
Long-Term Marketable Securities	199,562	240,595
U.S. government agency obligations
Marketable Securities [Line Items]
Amortized Cost	243,775	252,573
Gross unrealized losses	(5,576)	(10,391)
Aggregate Fair Value	238,199	242,182
Short-Term Marketable Securities	209,676	180,320
Long-Term Marketable Securities	$ 28,523	61,862
Time deposits
Marketable Securities [Line Items]
Amortized Cost		19,530
Gross unrealized losses		0
Aggregate Fair Value		19,530
Short-Term Marketable Securities		19,530
Long-Term Marketable Securities		$ 0