Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accrued Liabilities, Current [Abstract]
Research and clinical expenses	$ 18,377	$ 18,861
Payroll and related expenses	7,109	9,576
Legal and professional expenses	2,259	1,468
Operating lease liabilities - short term	3,845	3,618
Other accrued expenses	142	713
Total	$ 31,732	$ 34,236	[1]

[1] The condensed balance sheet as of December 31, 2021 was derived from the audited financial statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2021.