Significant Accounting Policies - Summary of Accrued expense (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Compensation	$ 5,237	$ 3,355
Severance	2,283	0
Clinical study related costs	1,658	1,636
Facility related costs	693	0
Accrued legal costs	1,015	436
Manufacturing improvement costs	4,365	678
Accrued consulting and professional fees	878	1,210
Other accrued expenses	1,536	21
Total accrued expenses and other	$ 17,665	$ 7,336