XML 63 R49.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Summary of Business Organization, Operations and Significant Accounting Policies - Summary of Idled Facilities and Their Carrying Values, Excluding Equipment and Other Assets (Parenthetical) (Details) - USD ($) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 27, 2025 | Jun. 30, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Summary Of Business Organization Operations And Significant Accounting Policies [Line Items] |  |  |  |
Impairment loss on purchase and sale of facilities |  | $ 2,300,000 | $ 0 | $ 0
ICE Processing Center | Subsequent Events |  |  |  |
Summary Of Business Organization Operations And Significant Accounting Policies [Line Items] |  |  |  |
Contract award term | 15 years |  |  |

X
- Definition Contract award term. + References No definition available. + Details
Name: | geo_ContractAwardTerm
Namespace Prefix: | geo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Impairment Loss On Purchase And Sale Of Facilities + References No definition available. + Details
Name: | geo_ImpairmentLossOnPurchaseAndSaleOfFacilities
Namespace Prefix: | geo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Summary Of Business Organization, Operations and Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | geo_SummaryOfBusinessOrganizationOperationsAndSignificantAccountingPoliciesLineItems
Namespace Prefix: | geo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=geo_ICEProcessingCenterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |