Organization (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Organization
Cash	$ 16,177	$ 9,746	$ 5,128
Accumulated deficit	$ 423,148	$ 474,839	$ 422,283

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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