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Commitments and Contingencies - Additional Information (Detail) | 6 Months Ended
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Jun. 30, 2018 LegalMatter
Loss Contingencies [Line Items] |
Number of pending legal proceedings that would have an effect on consolidated financial position, results of operations, or cash flows | 0

X
- Definition Effect Of Pending Legal Proceedings On Company's Consolidated Financial Position + References No definition available. + Details
Name: | cxw_EffectOfPendingLegalProceedingsOnCompanysConsolidatedFinancialPosition
Namespace Prefix: | cxw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration