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Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 28, 2014 | Dec. 31, 2014 Y LegalMatter D Bed | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 1997 Facility
Loss Contingencies [Line Items] |  |  |  |  |
Compensation amount on contractual disputes | $ (1)us-gaap_LitigationSettlementAmount |  |  |  |
Number of pending legal proceedings that would have an effect on consolidated financial position, results of operations, or cash flows |  | 0 cxw_EffectOfPendingLegalProceedingsOnCompanysConsolidatedFinancialPosition |  |  |
Number of beds at the facility |  | 84,500 cxw_HousingCapacityOfFacility |  |  |
Minimum age limit for participating in the Savings and Retirement Plan, years |  | 18 cxw_MinimumAgeLimitForParticipatingInSavingsAndRetirementPlan |  |  |
Minimum qualified service required to participate in the Savings and Retirement Plan, years |  | 1 cxw_MinimumQualifiedServiceRequiredToParticipateInSavingsAndRetirementPlan |  |  |
Eligible employee contribution on eligible compensation |  | 90.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent |  |  |
Employer discretionary matching contribution equal to employee contribution |  | 100.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent | 100.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent | 100.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent |
Maximum percentage of employer discretionary matching contribution of employee eligible compensation |  | 5.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch | 5.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch | 5.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch |
Minimum number of hours of employment in the plan year for discretionary matching contribution |  | One thousand |  |  |
Discretionary contribution plan forfeitures, net |  | 11.1 us-gaap_DefinedContributionPlanCostRecognized | 11.8 us-gaap_DefinedContributionPlanCostRecognized | 11.1 us-gaap_DefinedContributionPlanCostRecognized |
Number of qualified deferred compensation plans |  | 2 cxw_NumberOfQualifiedDeferredCompensationPlans |  |  |
Total cash compensation under Deferred Compensation Plans |  | 5.00%cxw_PercentageOfTotalCashCompensationUnderDeferredCompensationPlan | 5.00%cxw_PercentageOfTotalCashCompensationUnderDeferredCompensationPlan | 5.00%cxw_PercentageOfTotalCashCompensationUnderDeferredCompensationPlan |
Time period when distributions are paid, minimum years subsequent to the date an individual becomes a participant in the Plan |  | 5 cxw_TimePeriodWhenDistributionsArePaidYearsSubsequentToDateIndividualBecomesParticipantInPlan |  |  |
Distributions to senior executives commencement period, days after participant's separation from service |  | 60 cxw_DistributionsToSeniorExecutivesCommencementPeriodDaysAfterParticipantSSeparationFromService |  |  |
Distributions to senior executives commencement period, time period |  | The fifteenth day of the month following the month the individual attains age 65. |  |  |
Percentage of fixed return from Deferred Compensation Plans to participants |  | 5.60%cxw_PercentageOfFixedReturnFromDeferredCompensationPlans | 5.60%cxw_PercentageOfFixedReturnFromDeferredCompensationPlans | 5.90%cxw_PercentageOfFixedReturnFromDeferredCompensationPlans |
Deferred Compensation Plans assets |  | 17.9 us-gaap_DeferredCompensationPlanAssets | 15.8 us-gaap_DeferredCompensationPlanAssets |  |
Matching contributions as general and administrative expense associated with the Deferred Compensation Plans |  | 0.2 us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution | 0.2 us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution | 0.5 us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution |
Deferred Compensation Plans liability |  | 15.7 us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent | 16.4 us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent |  |
Executive Officer |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Contribution as percentage of salary |  | 50.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate / us-gaap_TitleOfIndividualAxis = us-gaap_ExecutiveOfficerMember |  |  |
Contribution as percentage of cash bonus |  | 100.00%cxw_DeferredCompensationArrangementWithIndividualMaximumContributionAsPercentageOfCashBonus / us-gaap_TitleOfIndividualAxis = us-gaap_ExecutiveOfficerMember |  |  |
Non Employee Directors |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Contribution as percentage of retainer and meeting fees |  | 100.00%cxw_DeferredCompensationArrangementWithIndividualMaximumContributionAsPercentageOfRetainerAndMeetingFees / us-gaap_TitleOfIndividualAxis = cxw_NonEmployeeDirectorsMember |  |  |
Prior to January One Twenty Twelve | After Two Years Of Service |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Vested percentage of employer contributions and investment earnings or losses |  | 20.00%us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage / cxw_PeriodAxis = cxw_PriorToJanuaryOneTwentyTwelveMember / us-gaap_TitleOfIndividualAxis = cxw_AfterTwoYearsOfServiceMember |  |  |
Prior to January One Twenty Twelve | After Three Years Of Service |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Vested percentage of employer contributions and investment earnings or losses |  | 40.00%us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage / cxw_PeriodAxis = cxw_PriorToJanuaryOneTwentyTwelveMember / us-gaap_TitleOfIndividualAxis = cxw_AfterThreeYearsOfServiceMember |  |  |
Prior to January One Twenty Twelve | After Four Years Of Service |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Vested percentage of employer contributions and investment earnings or losses |  | 80.00%us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage / cxw_PeriodAxis = cxw_PriorToJanuaryOneTwentyTwelveMember / us-gaap_TitleOfIndividualAxis = cxw_AfterFourYearsOfServiceMember |  |  |
Prior to January One Twenty Twelve | After Five Or More Years Of Service |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Vested percentage of employer contributions and investment earnings or losses |  | 100.00%us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage / cxw_PeriodAxis = cxw_PriorToJanuaryOneTwentyTwelveMember / us-gaap_TitleOfIndividualAxis = cxw_AfterFiveOrMoreYearsOfServiceMember |  |  |
Hardeman County Correctional Facilities Corporation |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Issuance of revenue bonds |  |  |  |  | 72.7 cxw_GuaranteedObligationsForThirdPartyDebtFaceAmount / cxw_FacilitiesOperatedByCompanyAxis = cxw_HardemanCountyCorrectionalFacilitiesCorporationMember
Number of beds at the facility |  |  |  |  | 2,016 cxw_HousingCapacityOfFacility / cxw_FacilitiesOperatedByCompanyAxis = cxw_HardemanCountyCorrectionalFacilitiesCorporationMember
Outstanding principal balance of revenue bonds |  | 18.6 cxw_GuaranteedObligationsForThirdPartyDebtOutstandingAmount / cxw_FacilitiesOperatedByCompanyAxis = cxw_HardemanCountyCorrectionalFacilitiesCorporationMember |  |  |
Outstanding principal balance of the bonds exceeded the purchase price option |  | $ 7.3 cxw_ExcessOfOutstandingPrincipalBalanceOfBondsOverPurchasePriceOption / cxw_FacilitiesOperatedByCompanyAxis = cxw_HardemanCountyCorrectionalFacilitiesCorporationMember |  |  |

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