Significant Accounting Policies - Summary of Accrued expense (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounting Policies [Abstract]
Compensation	$ 3,405	$ 5,237
Severance	1,690	2,283
Clinical study related costs	597	1,658
Facility related costs	387	693
Accrued legal costs	370	1,015
Manufacturing improvement costs	4,365	4,365
Accrued consulting and professional fees	505	878
Other accrued expenses	1,944	1,536
Total accrued expenses and other	$ 13,263	$ 17,665