Fair Value Measurements (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financial Assets
Marketable securities:	$ 265,088	$ 427,135
Government agency securities
Financial Assets
Marketable securities:	13,973	103,180
Corporate notes/bonds
Financial Assets
Marketable securities:	6,502	30,834
U.S. Treasuries
Financial Assets
Marketable securities:	148,781	169,469
Fair Value, Recurring
Financial Assets
Total financial assets	268,965	431,012
Fair Value, Recurring \| Government agency securities
Financial Assets
Marketable securities:	13,973	103,180
Fair Value, Recurring \| Corporate notes/bonds
Financial Assets
Marketable securities:	6,502	30,834
Fair Value, Recurring \| U.S. Treasuries
Financial Assets
Marketable securities:	148,781	169,469
Fair Value, Recurring \| Money market funds
Financial Assets
Cash equivalents:	95,832	123,652
Restricted cash and other non-current assets:	3,877	3,877
Fair Value, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Assets
Total financial assets	248,490	296,998
Fair Value, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Government agency securities
Financial Assets
Marketable securities:	0	0
Fair Value, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Corporate notes/bonds
Financial Assets
Marketable securities:	0	0
Fair Value, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| U.S. Treasuries
Financial Assets
Marketable securities:	148,781	169,469
Fair Value, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Money market funds
Financial Assets
Cash equivalents:	95,832	123,652
Restricted cash and other non-current assets:	3,877	3,877
Fair Value, Recurring \| Significant Other Observable Inputs (Level 2)
Financial Assets
Total financial assets	20,475	134,014
Fair Value, Recurring \| Significant Other Observable Inputs (Level 2) \| Government agency securities
Financial Assets
Marketable securities:	13,973	103,180
Fair Value, Recurring \| Significant Other Observable Inputs (Level 2) \| Corporate notes/bonds
Financial Assets
Marketable securities:	6,502	30,834
Fair Value, Recurring \| Significant Other Observable Inputs (Level 2) \| U.S. Treasuries
Financial Assets
Marketable securities:	0	0
Fair Value, Recurring \| Significant Other Observable Inputs (Level 2) \| Money market funds
Financial Assets
Cash equivalents:	0	0
Restricted cash and other non-current assets:	0	0
Fair Value, Recurring \| Significant Unobservable Inputs (Level 3)
Financial Assets
Total financial assets	0	0
Fair Value, Recurring \| Significant Unobservable Inputs (Level 3) \| Government agency securities
Financial Assets
Marketable securities:	0	0
Fair Value, Recurring \| Significant Unobservable Inputs (Level 3) \| Corporate notes/bonds
Financial Assets
Marketable securities:	0	0
Fair Value, Recurring \| Significant Unobservable Inputs (Level 3) \| U.S. Treasuries
Financial Assets
Marketable securities:	0	0
Fair Value, Recurring \| Significant Unobservable Inputs (Level 3) \| Money market funds
Financial Assets
Cash equivalents:	0	0
Restricted cash and other non-current assets:	$ 0	$ 0

Fair value portion of asset recognized for present right to economic benefit.

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