Investments - Schedule of Debt Securities, Available-for-sale (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Cost	$ 243,238	$ 393,897
Gross Unrealized Gains	5	3
Gross Unrealized Losses	(240)	(4,229)
Fair Value	243,003	389,671
Included in cash and cash equivalents
Debt Securities, Available-for-sale [Line Items]
Cost	5,015
Gross Unrealized Gains	1
Gross Unrealized Losses	0
Fair Value	5,016
Included in marketable securities
Debt Securities, Available-for-sale [Line Items]
Cost	238,223	393,897
Gross Unrealized Gains	4	3
Gross Unrealized Losses	(240)	(4,229)
Fair Value	237,987	389,671
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Cost	205,977	191,075
Gross Unrealized Gains	4	3
Gross Unrealized Losses	(189)	(2,598)
Fair Value	205,792	188,480
U.S. agency and government sponsored securities
Debt Securities, Available-for-sale [Line Items]
Cost	5,691	4,999
Gross Unrealized Gains	1	0
Gross Unrealized Losses	(1)	(75)
Fair Value	5,691	4,924
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Cost		74,755
Gross Unrealized Gains		0
Gross Unrealized Losses		(232)
Fair Value		74,523
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Cost	31,570	111,123
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(50)	(1,214)
Fair Value	$ 31,520	109,909
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Cost		11,945
Gross Unrealized Gains		0
Gross Unrealized Losses		(110)
Fair Value		$ 11,835