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Revenue - Gilead Sciences Inc (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 14, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Collaboration and Other Agreements [Line Items]
Revenues		$ 151,941	$ 77,447	$ 104,883
Gilead | 2022 Gilead Collaboration And License Agreement
Collaboration and Other Agreements [Line Items]
Target nomination, option fees and milestone	$ 1,700,000
Non-refundable upfront payment	$ 60,000
Revenues		200
Deferred revenue		59,800
Deferred revenue, current		1,800
Deferred revenue, noncurrent		$ 58,000

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