Lease - Additional Information (Details) - South San Francisco, California [Member]	3 Months Ended
Mar. 31, 2022 ft²
Area of lease	24,357
Lease expiration date	Feb. 28, 2025

Date which lease or group of leases is set to expire, in YYYY-MM-DD format.

No definition available.

Name:	us-gaap_LeaseExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration