Summary of Significant Accounting Policies - Revenue Recognition - Collaboration Revenue (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Sep. 24, 2018	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Stockholders' Equity
Collaboration revenue		$ 0	$ 0	$ 0	$ 0
Knight
Stockholders' Equity
License agreement term (in years)	15 years
Transfer price receivable upon achievement of certain regulatory and sales milestones	$ 18,000