Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforwards	$ 60,495	$ 28,283
Research and development credits	11,240	4,753
Stock-based compensation	2,448	33
Accrued expense	1,290
Lease liabilities	485
Gross deferred tax assets	75,958	33,069
Less: valuation allowance	(75,371)	(32,899)
Total deferred tax asset	587	170
Deferred tax liability
Right-of-use assets	(476)
Depreciation	(111)	(170)
Total deferred tax liabilities	(587)	(170)
Net deferred tax assets	$ 0	$ 0