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Commitments and Contingencies - Additional Information (Detail) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 USD ($) Bed LegalMatter | Dec. 31, 1997 USD ($) Facility
Loss Contingencies [Line Items] |  |
Number of pending legal proceedings that would have an effect on consolidated financial position, results of operations, or cash flows | LegalMatter | 0 |
Number of beds at the facility | Bed | 88,400 |
Hardeman County Correctional Facilities Corporation |  |
Loss Contingencies [Line Items] |  |
Issuance of revenue bonds |  | $ 72.7
Number of beds at the facility | Facility |  | 2,016
Outstanding principal balance of revenue bonds | $ 6.6 |
Outstanding principal balance of the bonds exceeded the purchase price option | $ 5.8 |

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- Details
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