Collaboration and License Agreements - Schedule of Revenue from Collaboration Agreements (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Total revenue	$ 2,159	$ 112,545	$ 38,086	$ 113,632
Roche
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Total revenue	1,659	112,344	11,796	112,344
Bristol-Myers Squibb Company
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Total revenue	500	201	15,817	1,288
Ono Pharmaceutical Company Ltd
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Total revenue	$ 0	$ 0	$ 10,473	$ 0