Basis of Presentation and Significant Accounting Policies - Schedule of Useful Lives of Property and Equipment (Detail)	12 Months Ended
	Dec. 31, 2021
Laboratory Equipment [Member]
Property Plant And Equipment [Line Items]
Useful lives of property and equipment	5 years
Office and Computer Equipment [Member]
Property Plant And Equipment [Line Items]
Useful lives of property and equipment	3 years
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Useful lives of property and equipment	Shorter of remaining lease term or estimated useful life