Income Taxes - Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Net operating loss carryforwards	$ 1,264	$ 3,617
Research and development tax credit carryforwards	4,528	2,706
Intangible assets	3,035	2,326
Capitalized research and development expenses	51,433	32,803
Deferred revenue	5,399	36,726
Lease liability	16,487	22,581
Stock compensation	2,420	1,709
Other Assets	94	0
Total deferred tax assets	84,660	102,468
Deferred tax liabilities:
Property and equipment	(1,093)	(2,044)
Right-of-use asset	(19,439)	(22,237)
Prepaid expenses	(336)	(281)
Other liabilities	(854)	0
Total deferred liabilities	(21,722)	(24,562)
Valuation allowance	(62,938)	(77,906)
Net deferred tax assets	$ 0	$ 0