401 (k) Plan - Additional Information (Detail)	9 Months Ended
Sep. 30, 2021
Retirement Benefits [Abstract]
Defined contribution plan, employers matching contribution, annual vesting percentage	3.00%

Percentage employer matches of the employee's percentage contribution matched.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration