Related Party Transactions - Additional Information (Detail) - USD ($)	8 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Research and development expense		$ 49,642,000	$ 28,500,000
Prepaid expenses	$ 3,372,000	2,723,000	3,372,000
Altasciences Company Inc [Member]
Related Party Transaction [Line Items]
Research and development expense	1,600,000	1,700,000
Related parties payable	685,000	201,000	685,000
Prepaid expenses	$ 88,000	$ 752,000	$ 88,000