Fair Value Measurements - Financial Assets Measured and Recognized at Fair Value on a Recurring Basis (Details) - Fair Value Measurements Recurring - Money Market Funds - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets:
Assets, Fair Value Measurements	$ 3,708	$ 12,496
Level 1
Assets:
Assets, Fair Value Measurements	3,708	12,496
Level 2
Assets:
Assets, Fair Value Measurements	0	0
Level 3
Assets:
Assets, Fair Value Measurements	$ 0	$ 0