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Investment in Direct Financing Lease - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Schedule of Finance Lease Obligations [Line Items] |  |  |
Interest income of direct financing lease | $ 0.8 us-gaap_InterestAndFeeIncomeLoansLeaseFinancing | $ 1.0 us-gaap_InterestAndFeeIncomeLoansLeaseFinancing | $ 1.2 us-gaap_InterestAndFeeIncomeLoansLeaseFinancing

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- Details
Name: | cxw_ScheduleOfFinanceLeaseObligationsLineItems
Namespace Prefix: | cxw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Interest and fee income generated by direct lease financing which consists of an institution owning and leasing personal property for the use of its customers at the customers' specific request. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 9 + Details
Name: | us-gaap_InterestAndFeeIncomeLoansLeaseFinancing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration