If determined, state the month and year in which the contingent legal matter will be considered in a court of law or other jurisdiction.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349

Reference 3: 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=118942415&loc=d3e14326-108349

Name:	us-gaap_LossContingencyExpectedTrialCommencement
Namespace Prefix:	us-gaap_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

Commitments and Contingencies (Legal Proceedings) - Additional Information (Detail) $ in Millions		6 Months Ended
	Sep. 16, 2016 USD ($)	Jun. 30, 2020 USD ($) Plaintiff
Baldino Group [Member]
Commitments And Contingencies [Line Items]
Number of Plaintiffs \| Plaintiff		2
Damages sought amount		$ 16.0
Altoona Regional Health System [Member]
Commitments And Contingencies [Line Items]
Loss contingency, expected trial commencement		2021-03
Altoona Regional Health System [Member] \| Minimum [Member]
Commitments And Contingencies [Line Items]
Damages sought amount	$ 124.0
Altoona Regional Health System [Member] \| Maximum [Member]
Commitments And Contingencies [Line Items]
Damages sought amount	$ 266.0