Amount of loss contingency liability.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Name:	us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Commitments and Contingencies (Detail) $ in Millions	Jan. 20, 2021 patent	Sep. 30, 2021 USD ($)
Patent Infringement Complaint
Contractual Obligation [Line Items]
Number of patents allegedly infringed upon \| patent	2
Federal Healthcare Program Revenue
Contractual Obligation [Line Items]
Loss contingency accrual \| $		$ 10.5