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Summary of Capital Expenditures (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Segment Reporting Information [Line Items] |  |  |
Total capital expenditures | $ 262,560 us-gaap_PaymentsToAcquireProductiveAssets | $ 111,618 us-gaap_PaymentsToAcquireProductiveAssets | $ 76,946 us-gaap_PaymentsToAcquireProductiveAssets
Discontinued operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total capital expenditures |  | 72 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 532 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Owned and managed |  |  |
Segment Reporting Information [Line Items] |  |  |
Total capital expenditures | 246,333 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = cxw_OwnedAndManagedMember | 96,975 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = cxw_OwnedAndManagedMember | 55,222 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = cxw_OwnedAndManagedMember
Managed-only |  |  |
Segment Reporting Information [Line Items] |  |  |
Total capital expenditures | 3,171 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = cxw_ManagedOnlyMember | 3,719 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = cxw_ManagedOnlyMember | 3,507 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = cxw_ManagedOnlyMember
Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Total capital expenditures | $ 13,056 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember | $ 10,852 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember | $ 17,685 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember

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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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