Marketable Securities (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 591,702		$ 724,726
Gross Unrealized Gains	159	$ 38
Gross Unrealized Losses	(180)	(1,302)
Fair Value	591,681		723,462
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	469,846		549,944
Gross Unrealized Gains	134	29
Gross Unrealized Losses	(107)	(849)
Fair Value	469,873		549,124
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost			35,293
Gross Unrealized Gains		0
Gross Unrealized Losses		(86)
Fair Value			35,207
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	121,856		139,489
Gross Unrealized Gains	25	9
Gross Unrealized Losses	(73)	$ (367)
Fair Value	$ 121,808		$ 139,131

Amortized cost of 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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