Income Taxes - Summary of Components of Deferred Tax Asset and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net operating loss carryforwards	$ 10,994	$ 6,985
Research and development tax credit carryforward	3,754	736
Operating lease liability	501	12
Accrued expenses	705	590
Stock-based compensation	2,261	861
Capitalized research and development expense	25,525	11,618
Amortization of acquired IPR&D	17,412	18,905
Total deferred tax assets before valuation allowance	61,152	39,707
Valuation allowance	(60,664)	(39,695)	$ (29,086)
Total deferred tax assets - net of valuation allowance	488	12
Deferred tax liabilities:
ROU asset	(488)	(12)
Total deferred tax liabilities	$ (488)	$ (12)