Accrued and Other Current Liabilities - Schedule of Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accrued clinical trial and related costs	$ 18,175	$ 21,776
Accrued manufacturing and research & development costs	12,185	6,041
Accrued Leasehold Improvements	5,271	13,021
Accrued salaries and benefits	3,906	6,187
Accrued legal fees	573	403
Accrued professional fees	87	176
Accrued other liabilities	2,961	715
Total accrued and other current liabilities	$ 43,158	$ 48,319