XML 95 R66.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes - Additional Information (Detail) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Taxes [Line Items]        
Minimum Distribution Percentage of Taxable Income to Qualify for Real Estate Investment Trust   90.00%cxw_MinimumDistributionPercentageOfTaxableIncomeToQualifyForRealEstateInvestmentTrust    
Minimum distribution Percentage of Taxable Income to avoid Federal Income Taxes   100.00%cxw_MinimumDistributionPercentageOfTaxableIncomeToAvoidFederalIncomeTaxes    
Tax benefits associated with equity-based compensation   $ 665,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation $ 351,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation $ 2,609,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
Effective tax rate   3.40%us-gaap_EffectiveIncomeTaxRateContinuingOperations (79.60%)us-gaap_EffectiveIncomeTaxRateContinuingOperations 35.80%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Expected net tax benefit 137,700,000cxw_DeferredIncomeTaxExpenseBenefitFromRevaluationOfDeferredTaxAssetsAndLiabilities      
Liabilities for uncertain tax positions   $ 0us-gaap_LiabilityForUncertainTaxPositionsCurrent $ 0us-gaap_LiabilityForUncertainTaxPositionsCurrent