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Property and Equipment - Additional information (Detail) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($) Bed	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Property Plant And Equipment [Line Items]
Loss on impairment	$ 1.1	$ 23.2	$ 24.3	$ 4.2
Number of beds, replacement facility | Bed		260
Other Assets [Member]
Property Plant And Equipment [Line Items]
Assets held for sale			$ 15.8	$ 17.1

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- Definition

Number of beds replacement facility.

+ References

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- Definition

Amount of assets held-for-sale that are not part of a disposal group.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 15
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=123398962&loc=d3e400-110220

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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-Paragraph 28
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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