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Fair Value Measurement - Components of Available-for-sale Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Available-for-sale Securities
Amortized Cost	$ 341,475	$ 217,475
Gross Unrealized Gains	1	201
Gross Unrealized Losses	(310)	(46)
Estimated Fair Value	341,166	217,630
Asset-backed securities
Schedule of Available-for-sale Securities
Amortized Cost	928	3,512
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(2)	(8)
Estimated Fair Value	926	3,504
Corporate debt securities
Schedule of Available-for-sale Securities
Amortized Cost	52,579	6,022
Gross Unrealized Gains	0	1
Gross Unrealized Losses	(126)	(10)
Estimated Fair Value	52,453	6,013
U.S. treasury securities
Schedule of Available-for-sale Securities
Amortized Cost	282,769	175,996
Gross Unrealized Gains	1	200
Gross Unrealized Losses	(170)	(12)
Estimated Fair Value	282,600	176,184
Agency bonds
Schedule of Available-for-sale Securities
Amortized Cost	5,199	16,119
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(12)	(16)
Estimated Fair Value	5,187	16,103
Commercial paper
Schedule of Available-for-sale Securities
Amortized Cost		15,826
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Estimated Fair Value	$ 0	$ 15,826

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