Financial Instruments and Fair Value Measurements - Measurements on Recurring Basis (Details) - Recurring basis - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financial instruments and fair value measurements
Cash equivalents	$ 60,663	$ 61,185
Money market fund
Financial instruments and fair value measurements
Cash equivalents	1,740	1,383
U.S. Treasury Bills
Financial instruments and fair value measurements
Cash equivalents	58,923	59,802
Level 1
Financial instruments and fair value measurements
Cash equivalents	60,663	61,185
Level 1 | Money market fund
Financial instruments and fair value measurements
Cash equivalents	1,740	1,383
Level 1 | U.S. Treasury Bills
Financial instruments and fair value measurements
Cash equivalents	$ 58,923	$ 59,802