Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Cash equivalents:
Amortized Cost	$ 25,226	$ 37,887
Short-term investments:
Amortized Cost	77,992	95,758
Gross Unrealized Gains	3	6
Gross Unrealized Losses	(3)	(27)
U.S. treasury securities	77,992	95,737
U.S. treasury securities
Short-term investments:
Amortized Cost	53,281	58,518
Gross Unrealized Gains	3	6
Gross Unrealized Losses	(3)	(27)
U.S. treasury securities	53,281	58,497
Money market funds
Cash equivalents:
Amortized Cost	24,711	33,767
Fair Value	$ 24,711	33,767
U.S. treasury securities
Cash equivalents:
Amortized Cost		3,473
Fair Value		$ 3,473