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Goodwill - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |
Establishment of goodwill |  |  |  |  |  | This goodwill was established in connection with the acquisition of Avalon Correctional Services, Inc. ("Avalon") in the fourth quarter of 2015, as further described in Note 6, the acquisition of Correctional Alternatives, Inc. during the third quarter of 2013, and the acquisitions of two service companies during 2000. |  |
Goodwill |  | $ 16,110 |  |  |  | $ 35,557 | $ 16,110 |
Asset impairment charges |  | $ 27,800 |  |  |  | $ 955 | $ 30,082 | $ 6,513
Winn Correctional Center |  |  |  |  |  |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |
Goodwill impairment charges | $ 1,000 |  |  |  |  |  |  |
Bay Correctional Facility in Florida |  |  |  |  |  |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |
Goodwill impairment charges |  |  | $ 1,100 |  |  |  |  |
Idaho Correctional Center |  |  |  |  |  |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |
Goodwill impairment charges |  |  |  | $ 1,000 |  |  |  |
Wilkinson County Correctional Facility |  |  |  |  |  |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |
Goodwill impairment charges |  |  |  |  | $ 800 |  |  |
Asset impairment charges |  |  |  |  | 2,600 |  |  |
Other assets impairment charges |  |  |  |  | $ 1,800 |  |  |

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- Definition A description of the origin of goodwill recognized by the reporting entity + References No definition available. + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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