Commitments (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) ft²	Nov. 30, 2021 ft²
Loss Contingency [Abstract]
Area of office space leased \| ft²	9,091	9,091
Contingent liabilities \| $	$ 0

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Name:	us-gaap_LossContingencyLossInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration