Investments - Continuous Loss Position (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Gross Unrealized Losses	$ (4,229)	$ (922)
Fair Value	360,079	372,482
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Gross Unrealized Losses	(2,598)	(474)
Fair Value	158,888	146,454
U.S. agency securities
Debt Securities, Available-for-sale [Line Items]
Gross Unrealized Losses	(75)	(25)
Fair Value	4,924	4,970
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Gross Unrealized Losses	(232)	(4)
Fair Value	74,523	30,285
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Gross Unrealized Losses	(1,214)	(345)
Fair Value	109,909	145,522
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Gross Unrealized Losses	(110)	(74)
Fair Value	$ 11,835	$ 45,251