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Related Party Transactions - Additional Information (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 01, 2021	Feb. 10, 2020	Nov. 30, 2020	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Due from related party					$ 0	$ 61
Due to related party					0	266
Open Biome
Related Party Transaction [Line Items]
Rent income under sublease					100	400
Open Biome \| Maximum
Related Party Transaction [Line Items]
Receivable from related party					0	100
Strategic Agreement \| Open Biome
Related Party Transaction [Line Items]
Reimbursed to related party					100	300
Reimbursed from related party					100	300
Due to related party					0
Strategic Agreement \| Open Biome \| Maximum
Related Party Transaction [Line Items]
Due from related party					0	0
Due to related party						100
Clinical Supply and Services Agreement \| Open Biome
Related Party Transaction [Line Items]
Due to related party					0	200
Payment of monthly platform fee		$ 200
Security deposit		500
Prepaid fees		1,600
Security deposit returned		$ 500
Payment to related party					1,100	$ 3,800
Asset Purchase Agreement \| Open Biome
Related Party Transaction [Line Items]
Payment to acquire certain assets			$ 1,200
Payment to acquire remaining assets	$ 3,800
Property and equipment				$ 5,000
Required to pay certain milestones					$ 26,000