Organization and Operations - Additional Information (Detail) ft² in Millions	Sep. 30, 2017 ft² Facility Property Bed State
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of facilities owned by government partners, managed	7
Number of facilities owned and managed by the company	67
Number of facilities leased to third party operators	12
Correctional, Detention, and Residential Reentry Facility
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of facilities owned by government partners, managed	7
Number of facilities owned and managed by the company	67
Number of beds at the facility \| Bed	77,600
Number of states in which company facilities are located \| State	19
Leased to Third-Parties
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of states in which company facilities are located \| State	5
Number of facilities leased to third party operators \| Property	12
Number of square feet \| ft²	1.1

The housing capacity of facility.

No definition available.

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The number of facilities which are managed and not owned by the company.

No definition available.

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The number of facilities which are owned and managed by the company.

No definition available.

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Number of square feet.

No definition available.

Organization consolidation and presentation of financial statements.

No definition available.

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The number of states the entity operates in as of the balance sheet date.

No definition available.

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The number of units (items of property) under operating lease arrangements.

No definition available.

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