Commitments and Contingencies - Additional Information (Details) $ in Millions	3 Months Ended	6 Months Ended
Dec. 19, 2017 Claim	Jun. 30, 2020 USD ($) bed facility Installment
Commitments and Contingencies [Line Items]
Estimate of possible loss		$ 19.2
Number of deferred payment installment related to payroll taxes \| Installment		2
Deferred payment related to payroll taxes amount		$ 15.0
Estimated construction existing active capital projects cost		67.0
Cost already spent on existing active capital projects		38.0
Remaining capital required for existing active capital projects		$ 29.0
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		$ 20.5
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

CARES Act of 2020 deferred payment related to payroll taxes amount.

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Carrying Values of Idle Facilities Marketed to Potential Customers

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Commitments and Contingencies.

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Cost already spent on existing active capital projects.

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Estimated construction existing active capital projects cost.

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Number of deferred payment related to payroll taxes.

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Number of Marketed Idle Facilities

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Number of Vacant Beds at Idle Facilities Marketed to Potential Customers

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Remaining capital required for existing active capital projects.

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Estimated amount of loss resulting from an adverse tax position.

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The total number of new claims filed pertaining to a loss contingency during the period.

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