Income Taxes - Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net operating loss carryforwards	$ 56,854	$ 41,443
Section 174 R&E capitalization	25,039	0
Research and development tax credits	12,947	5,586
Deferred revenue	1,762	3,117
Accrued expenses	3,909	477
Intangibles and fixed assets	1,822	2,137
Lease liability	3,000	3,291
Stock-based compensation	8,614	3,668
Total deferred tax assets	113,947	59,719
Less valuation allowance	(111,489)	(56,693)
Net deferred tax assets	2,458	3,026
Deferred tax liabilities:
Right-of-use asset	(2,458)	(3,026)
Total deferred tax liabilities	(2,458)	(3,026)
Net deferred tax assets	$ 0	$ 0