Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Finite Lived Intangible Assets [Line Items]
Goodwill impairment loss	$ 76.0
Percentage that the fair value exceeded the carrying value	22.00%
Discount rate utilized to adjust cash flow	10.00%
Discount rate increase impacting carrying value to exceed fair value	1.00%
Percentage of goodwill	24.00%
Discount rate decrease impacting fair value to exceed carrying value	1.00%
Amortization expense	$ 5.3	$ 5.6
Facility management contracts
Finite Lived Intangible Assets [Line Items]
Weighted average period before renewal or extension	2 years 1 month 6 days
U.S. Secure Services
Finite Lived Intangible Assets [Line Items]
Goodwill impairment loss	$ 0.0
GEO Secure Services
Finite Lived Intangible Assets [Line Items]
Percentage that the fair value exceeded the carrying value	6.00%

Discount rate decrease impacting fair value to exceed carrying value.

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Discount rate increase impacting carrying value to exceed fair value.

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Fair value discount rate utilized to adjust cash flow.

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- Definition

Percentage of goodwill,

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- Definition

Weighted average period before the next renewal or extension for intangible assets with renewal or extension terms, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Percentage of fair value of reporting unit in excess of carrying amount.

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