Accrued Liabilities - Schedule of Accrued Compensation and Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accrued compensation:
Accrued payroll	$ 6,454	$ 2,888
Accrued paid time off	5,849	4,429
Accrued bonuses	4,586	13,814
Total accrued compensation	16,889	21,131
Accrued expenses and other current liabilities:
Accrued research and development services	4,842	3,419
Accrued professional fees	1,949	1,971
Accrued property and equipment	1,743	2,566
Other accrued current liabilities	2,787	2,388
Total accrued expenses and other current liabilities	$ 11,321	$ 10,344