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Commitments and Contingencies (Details Textual) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 0 Months Ended |  |  | 0 Months Ended |  |  |
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Dec. 31, 2013 ServiceCenter Bed facility | Dec. 31, 2012 | Jan. 01, 2012 | Dec. 31, 2013 Workforce Subject to Collective Bargaining Arrangements | Dec. 31, 2013 Workforce Subject to Collective Bargaining Arrangements Expiring within One Year | May 07, 2013 Joe Corley Detention Center bed | Jun. 30, 2013 Chief Executive Officer | May 29, 2013 Chief Executive Officer | Sep. 09, 2013 Immigration and Customs Enforcement bed | Sep. 23, 2013 California Department of Corrections and Rehabilitation | Sep. 23, 2013 Central Valley Modified Community Correctional Facility inmate bed | Sep. 23, 2013 Desert View Modified Community Correctional Facility bed | Oct. 21, 2013 Golden State Modified Community Correctional Facility bed inmate | Nov. 01, 2013 Maverick County Detention Center bed
Commitments and Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Agreements, Renewal Option, Number | 2 |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Agreements, Renewal Option, Term | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |
Leased ISAP service centers in connection with acquisition | 37 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties | 68 |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum rent expense | $ 35.9 | $ 34.4 | $ 35.9 |  |  |  |  |  |  |  |  |  |  |
Facility, number of beds |  |  |  |  |  | 1,287 |  |  | 400 |  | 700 | 700 | 100 | 688
Acquisition, consideration transferred |  |  |  |  |  | 65.0 |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  |  | 26.00% | 14.00% |  |  |  |  |  |  |  |  |
Maximum Performance Award as Percent of Annual Base Salary |  |  |  |  |  |  | 100.00% | 150.00% |  |  |  |  |  |
Life term of contract |  |  |  |  |  |  |  |  | 5 years | 5 years |  |  |  |
Number of Inmates in Facility Which Has Notice of Intent to Award Contract For |  |  |  |  |  |  |  |  |  |  | 1,400 |  | 700 |
Number of vacant beds at its idle facilities | 6,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of marketed idle facilities | 6 |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying values of idle facilities | 193.6 |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated construction capital project cost | 68.9 |  |  |  |  |  |  |  |  |  |  |  |  |
Cost already spent on existing capital projects | 19.8 |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining capital required for capital projects | 49.1 |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditure related to facility maintenance cost minimum range | $ 23.0 |  |  |  |  |  |  |  |  |  |  |  |  |

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