Fair Value Measurement - Marketable Securities Measured at Fair Value on Recurring Basis (Details) - Recurring - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Marketable securities
Marketable securities	$ 156,079	$ 84,575
Money market funds
Marketable securities
Marketable securities	23,331	8,002
U.S. treasury securities
Marketable securities
Marketable securities	129,762	48,535
U.S. agency bonds
Marketable securities
Marketable securities	2,986	2,921
Corporate bonds
Marketable securities
Marketable securities		2,911
Commercial paper
Marketable securities
Marketable securities		22,206
Level 1
Marketable securities
Marketable securities	153,093	56,537
Level 1 | Money market funds
Marketable securities
Marketable securities	23,331	8,002
Level 1 | U.S. treasury securities
Marketable securities
Marketable securities	129,762	48,535
Level 1 | U.S. agency bonds
Marketable securities
Marketable securities	0	0
Level 1 | Corporate bonds
Marketable securities
Marketable securities		0
Level 1 | Commercial paper
Marketable securities
Marketable securities		0
Level 2
Marketable securities
Marketable securities	2,986	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 | U.S. agency bonds
Marketable securities
Marketable securities	2,986	2,921
Level 2 | Corporate bonds
Marketable securities
Marketable securities		2,911
Level 2 | Commercial paper
Marketable securities
Marketable securities		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 | U.S. agency bonds
Marketable securities
Marketable securities	$ 0	0
Level 3 | Corporate bonds
Marketable securities
Marketable securities		0
Level 3 | Commercial paper
Marketable securities
Marketable securities		$ 0