Revenue - Additional Information (Detail) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Reductions to accounts receivable	$ (19,060,000)	$ (16,821,000)	$ (28,570,000)
Cost report receivables	13,723,000	10,340,000
Net adjustments to estimated cost report settlements resulted in (decreases) increases to revenue	(400,000)	500,000	200,000
Costs of providing charity care services	4,300,000	4,700,000	$ 5,300,000
Accounting Standards Update 2014-09 [Member]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Cumulative-effect adjustment in retained earnings	0
Reductions to accounts receivable	$ 47,400,000	$ 47,000,000.0

The increase or decrease to net income due to the net of estimated cost report settlements.

No definition available.

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- Definition

The net amount of cost report settlements due from/due to.

+ References

No definition available.

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- Definition

The amount of charity care provided during the period based on the provider's direct and indirect costs of providing charity care services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 605
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=68052803&loc=d3e8255-115641

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- Definition

Amount of the cumulative effect on retained earnings net of related income tax effect.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794

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- Definition

The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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- Definition

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.

+ References

No definition available.

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