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Income Taxes - Additional Information (Detail) (USD $) | 3 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
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 |
Income tax (expense) benefit | $ (1,385,000)us-gaap_IncomeTaxExpenseBenefit | $ (1,367,000)us-gaap_IncomeTaxExpenseBenefit
Percentage of likelihood required for a tax position to be measured | 50.00%cxw_PercentageOfLikelihoodRequiredForTaxPositionToBeMeasured |
Liabilities for uncertain tax positions | $ 0 us-gaap_LiabilityForUncertainTaxPositionsCurrent |

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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