Fair Value Measurements and Available for Sale Investments - Schedule of Available for Sale Investments by Security Type (Details) $ in Thousands	Sep. 30, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Cost	$ 298,141	$ 264,249
Gross Unrealized Gains	435	102
Gross Unrealized Losses	(6)	(35)
Total Fair Value	$ 298,570	$ 264,316
Number of securities with unrealized losses | security	4	12
U.S. Treasury and agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Cost	$ 71,539	$ 92,294
Gross Unrealized Gains	22	20
Gross Unrealized Losses	0	(5)
Total Fair Value	71,561	92,309
Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Cost	19,789	3,467
Gross Unrealized Gains	38	6
Gross Unrealized Losses	0	0
Total Fair Value	19,827	3,473
Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Cost	206,813	168,488
Gross Unrealized Gains	375	76
Gross Unrealized Losses	(6)	(30)
Total Fair Value	$ 207,182	$ 168,534