Liquidity and Capital Resources (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Liquidity and Capital Resources
Accumulated deficit	$ 143,277	$ 272,130
Cash, cash equivalents and investments	$ 425,629

Amount of accumulated undistributed earnings (deficit).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant