Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Payables and Accruals [Abstract]
Accrued research and development expenses	$ 21,760	$ 23,497
Accrued general and administrative expenses	3,475	1,655
Other current liabilities	333	148
Total	$ 25,568	$ 25,300