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Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2021 | Jun. 30, 2021 | Jun. 30, 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 |  | $ 10.2 | $ 11.2
Facility management contracts |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Weighted average period before renewal or extension |  | 2 years 3 months 18 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% |  |

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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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