Moderna Collaboration and License Agreement (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Estimated Revenue Expected to be Recognized in The Future Related to Performance Obligations

The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied as of December 31, 2023 (in thousands):

	Transaction price unsatisfied
Performance obligations:
Research and development	$	49,183
Option rights	45,000
Total performance obligations	$	94,183

Schedule of Changes in Deferred Revenue

The following table summarizes the changes in deferred revenue (in thousands):

	Year Ended December 31,
	2023		2022
Balance at the beginning of the period	$	47,459	$	—
Deferral of revenue	13,873		57,293
Recognition of unearned revenue	(14,919)		(9,834)
Balance at the end of the period	$	46,413	$	47,459