Description of the Business and Liquidity (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended						9 Months Ended
	Nov. 04, 2024	Apr. 30, 2024	Oct. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Dec. 31, 2023
Liquidity
Net loss				$ 24,225	$ 35,828	$ 38,669	$ 32,972	$ 31,934	$ 34,730	$ 98,700
Accumulated deficit				670,648						670,648	$ 571,926
Cash and cash equivalents				$ 42,184						$ 42,184	$ 120,572
Percentage of workforce impacted by RIF		20.00%
Subsequent events
Liquidity
Percentage of workforce impacted by RIF	45.00%		45.00%