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Goodwill - Additional Information (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) Bed | Jun. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) Bed | Sep. 30, 2020 USD ($) | Dec. 31, 2021 Bed | Dec. 31, 2020 USD ($)
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |
Goodwill | $ 4,844 |  |  | $ 4,844 |  |  | $ 5,902
Asset impairments | 5,177 |  | $ 805 | 9,351 | $ 13,058 |  |
Marion County Jail Indianapolis |  |  |  |  |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |
Asset impairments |  | $ 2,900 |  |  |  |  |
Goodwill impairment charge |  | 1,100 |  |  |  |  |
Other assets impairment charge |  | $ 1,800 |  |  |  |  |
Marion County Jail Indianapolis | Forecast |  |  |  |  |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |
Number of beds at the facility | Bed |  |  |  |  |  | 1,030 |
CoreCivic Safety |  |  |  |  |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |
Goodwill | $ 4,800 |  |  | $ 4,800 |  |  | $ 5,900
Number of beds at the facility | Bed | 70,000 |  |  | 70,000 |  |  |

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