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Commitments and Contingencies - Additional Information (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2020 USD ($) bed facility | Dec. 19, 2017 Claim
Commitments and Contingencies [Line Items] |  |
Estimate of possible loss | $ 19.1 |
Estimated construction capital project cost | 61.0 |
Cost already spent on existing capital projects | 41.0 |
Remaining capital required for capital projects | $ 20.0 |
Number of vacant beds at idle facilities marketed to potential customers | bed | 1,000 |
Number of marketed idle facilities | facility | 2 |
Property and Equipment, Net |  |
Commitments and Contingencies [Line Items] |  |
Carrying values of idle facilities marketed to potential customers | $ 20.7 |
Pending Litigation | Immigration Detainees Against Company |  |
Commitments and Contingencies [Line Items] |  |
Number of claims filed | Claim |  | 3
WASHINGTON | Pending Litigation | Immigration Detainees Against Company |  |
Commitments and Contingencies [Line Items] |  |
Number of claims filed | Claim |  | 2
CALIFORNIA | Pending Litigation | Immigration Detainees Against Company |  |
Commitments and Contingencies [Line Items] |  |
Number of claims filed | Claim |  | 1

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