Subsequent Events - Additional Information (Detail) - Irvine, California [Member]		3 Months Ended
May 03, 2021	Mar. 31, 2021
Subsequent Event [Line Items]
Lease expiration date		Sep. 30, 2021
Subsequent Event [Member]
Subsequent Event [Line Items]
Lease extended expiration date	Dec. 31, 2022

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration