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Schedule of Debt Outstanding (Parenthetical) (Detail)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Senior Notes 4.625% Due 2023    
Debt Instrument [Line Items]    
Interest rate stated percentage of Senior Notes 4.625%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= cxw_SeniorNotesFourPointSixTwentyFivePercentDueTwentyTwentyThreeMember		  
Note maturity date May 01, 2023  
Senior Notes interest payable dates interest payable semi-annually in May and November at 4.625%.  
Senior Notes 4.125% Due 2020    
Debt Instrument [Line Items]    
Interest rate stated percentage of Senior Notes 4.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= cxw_SeniorNotesFourPointOneTwentyFivePercentDueTwentyTwentyMember		  
Note maturity date Apr. 01, 2020  
Senior Notes interest payable dates interest payable semi-annually in April and October at 4.125%.  
Revolving Credit Facility    
Debt Instrument [Line Items]    
Revolving Credit Facility maturity date Dec. 31, 2017  
Weighted average rate 1.90%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		 1.70%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
Senior Notes interest payable dates interest payable periodically at variable interest rates.