Related Party Transactions - Additional Information (Detail) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Research and development expense	$ 15,730,000	$ 12,992,000	$ 29,348,000	$ 22,937,000
Prepaid expenses	2,073,000		2,073,000		$ 2,723,000
Altasciences Company Inc [Member]
Related Party Transaction [Line Items]
Research and development expense	542,000	$ 797,000	919,000	$ 1,200,000
Related parties payable	530,000		530,000		201,000
Prepaid expenses	$ 707,000		$ 707,000		$ 752,000

Carrying amount as of the balance sheet date of obligations due all related parties.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details