Financial Instruments - Fair Value and Gross Unrealized Losses Related to Individual Debt Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value		$ 77,898
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Gross Unrealized Losses		(63)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Fair Value		10,382
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Gross Unrealized Losses		(8)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		88,280
Available-for-sale Securities, Continuous Unrealized Loss Position, Gross Unrealized Losses		(71)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Cash and Cash Equivalents		29,470
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, AFS Debt Securities		58,810
Corporate bonds and notes
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value		29,807
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Gross Unrealized Losses		(45)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Fair Value		10,382
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Gross Unrealized Losses		(8)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		40,189
Available-for-sale Securities, Continuous Unrealized Loss Position, Gross Unrealized Losses		(53)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, AFS Debt Securities		40,189
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 29,015	48,091
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Gross Unrealized Losses	(6)	(18)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Gross Unrealized Losses		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	29,015	48,091
Available-for-sale Securities, Continuous Unrealized Loss Position, Gross Unrealized Losses	(6)	(18)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Cash and Cash Equivalents	29,015	29,470
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, AFS Debt Securities	$ 0	$ 18,621