Collaboration Agreement - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Research and development expense	$ 28,181	$ 4,905	$ 79,198	$ 54,396
Prepaid expenses and other current assets	8,190		8,190		$ 14,213
Roche License Agreement
Disaggregation Of Revenue [Line Items]
Research and development credit adjustment	3,748	$ 14,572	12,625	$ 5,838
Prepaid expenses and other current assets	$ 3,748		$ 3,748