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Commitments and Contingencies - Additional Information (Detail) - West Virginia [Member] $ in Millions	3 Months Ended
	Jun. 30, 2019 USD ($) Facility
Loss Contingencies [Line Items]
Number of comprehensive treatment centers operates | Facility	7
Amount paid to government | $	$ 17.0

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- Definition

Number of comprehensive treatment center operates.

+ References

No definition available.

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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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- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585

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