Development-Stage Risks and Liquidity (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Development-Stage Risks and Liquidity
Accumulated deficit	$ 217,700	$ 157,845
Cash and cash equivalents	$ 282,855	$ 150,389
Substantial doubt about ability to continue as going concern within one year	false