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Idled Facilities and Respective Carrying Values Excluding Equipment and Other Assets (Detail) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2017 USD ($) Bed | Dec. 31, 2016 USD ($) | Jun. 10, 2016 Bed | Aug. 27, 2015 Bed
Facility Activations Developments And Closures [Line Items] |  |  |  |
Design Capacity |  |  | 112 | 600
Prairie Correctional Facility |  |  |  |
Facility Activations Developments And Closures [Line Items] |  |  |  |
Design Capacity | 1,600 |  |  |
Date Idled | 2010 |  |  |
Net Carrying Value | $ | $ 16,118 | $ 17,071 |  |
Huerfano County Correctional Center |  |  |  |
Facility Activations Developments And Closures [Line Items] |  |  |  |
Design Capacity | 752 |  |  |
Date Idled | 2010 |  |  |
Net Carrying Value | $ | $ 16,980 | 17,542 |  |
Diamondback Correctional Facility |  |  |  |
Facility Activations Developments And Closures [Line Items] |  |  |  |
Design Capacity | 2,160 |  |  |
Date Idled | 2010 |  |  |
Net Carrying Value | $ | $ 41,370 | 41,539 |  |
Southeast Kentucky Correctional Facility |  |  |  |
Facility Activations Developments And Closures [Line Items] |  |  |  |
Design Capacity | 656 |  |  |
Date Idled | 2012 |  |  |
Net Carrying Value | $ | $ 21,864 | 22,618 |  |
Marion Adjustment Center |  |  |  |
Facility Activations Developments And Closures [Line Items] |  |  |  |
Design Capacity | 826 |  |  |
Date Idled | 2013 |  |  |
Net Carrying Value | $ | $ 12,058 | 12,135 |  |
Kit Carson Correctional Center |  |  |  |
Facility Activations Developments And Closures [Line Items] |  |  |  |
Design Capacity | 1,488 |  |  |
Date Idled | 2016 |  |  |
Net Carrying Value | $ | $ 57,095 | 58,819 |  |
Eden Detention Center |  |  |  |
Facility Activations Developments And Closures [Line Items] |  |  |  |
Design Capacity | 1,422 |  |  |
Date Idled | 2017 |  |  |
Net Carrying Value | $ | $ 39,707 | 41,269 |  |
Torrance County Detention Facility |  |  |  |
Facility Activations Developments And Closures [Line Items] |  |  |  |
Design Capacity | 910 |  |  |
Date Idled | 2017 |  |  |
Net Carrying Value | $ | $ 36,882 | 38,109 |  |
Idle Facilities |  |  |  |
Facility Activations Developments And Closures [Line Items] |  |  |  |
Design Capacity | 9,814 |  |  |
Net Carrying Value | $ | $ 242,074 | $ 249,102 |  |

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