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Segment Reporting - Additional Information (Detail) | 6 Months Ended
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Jun. 30, 2020 Property Segment Facility
Segment Reporting Information [Line Items] |
Number of Operating segments | Segment | 3
CoreCivic Safety |
Segment Reporting Information [Line Items] |
Number of facilities operated by the company | 49
Number of facilities owned by the company | 42
CoreCivic Community |
Segment Reporting Information [Line Items] |
Number of centers owned and operated by company | 27
CoreCivic Properties |
Segment Reporting Information [Line Items] |
Number of properties for lease to third parties and used by government agencies | Property | 57

X
- Definition Number of centers owned and operated by company. + References No definition available. + Details
Name: | cxw_NumberOfCentersOwnedAndOperatedByCompany
Namespace Prefix: | cxw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of facilities which are operated by the company. + References No definition available. + Details
Name: | cxw_NumberOfFacilitiesOperatedByCompany
Namespace Prefix: | cxw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of facilities which are owned by the company. + References No definition available. + Details
Name: | cxw_NumberOfFacilitiesOwnedByCompany
Namespace Prefix: | cxw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
Name: | us-gaap_NumberOfOperatingSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of units (items of property) under operating lease arrangements. + References No definition available. + Details
Name: | us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- 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. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cxw_SafetySegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cxw_CommunitySegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cxw_PropertiesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |