Fair Value Measurement (Details) - Recurring - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Marketable securities
Marketable securities	$ 152,021	$ 84,575
Money market funds
Marketable securities
Marketable securities	38,760	8,002
U.S. treasury securities
Marketable securities
Marketable securities	104,340	48,535
Corporate bonds
Marketable securities
Marketable securities		2,911
U.S. agency bonds
Marketable securities
Marketable securities	4,437	2,921
Commercial paper
Marketable securities
Marketable securities	4,484	22,206
Level 1
Marketable securities
Marketable securities	143,100	56,537
Level 1 | Money market funds
Marketable securities
Marketable securities	38,760	8,002
Level 1 | U.S. treasury securities
Marketable securities
Marketable securities	104,340	48,535
Level 1 | Corporate bonds
Marketable securities
Marketable securities		0
Level 1 | U.S. agency bonds
Marketable securities
Marketable securities	0	0
Level 1 | Commercial paper
Marketable securities
Marketable securities	0	0
Level 2
Marketable securities
Marketable securities	8,921	28,038
Level 2 | Money market funds
Marketable securities
Marketable securities	0	0
Level 2 | U.S. treasury securities
Marketable securities
Marketable securities	0	0
Level 2 | Corporate bonds
Marketable securities
Marketable securities		2,911
Level 2 | U.S. agency bonds
Marketable securities
Marketable securities	4,437	2,921
Level 2 | Commercial paper
Marketable securities
Marketable securities	4,484	22,206
Level 3
Marketable securities
Marketable securities	0	0
Level 3 | Money market funds
Marketable securities
Marketable securities	0	0
Level 3 | U.S. treasury securities
Marketable securities
Marketable securities	0	0
Level 3 | Corporate bonds
Marketable securities
Marketable securities		0
Level 3 | U.S. agency bonds
Marketable securities
Marketable securities	0	0
Level 3 | Commercial paper
Marketable securities
Marketable securities	$ 0	$ 0