Description of Business and Liquidity and Going Concern - Liquidity and Going Concern (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Description of Business, Liquidity and Going Concern
Accumulated deficit	$ 370,660		$ 370,660		$ 325,512
Net loss	14,020	$ 16,748	45,148	$ 58,749
Cash and cash equivalents	$ 61,259	$ 59,772	$ 61,259	$ 59,772	$ 44,704
Substantial doubt about going concern within one year			true