XML 48 R35.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Basis of Presentation (Details Textual) | Sep. 30, 2014 agency state bed facility person | Dec. 31, 2013
--- | --- | ---
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Number of beds | 79,000 |
Correctional, detention and residential treatment facilities including projects under development | 98 |
Provision of monitoring services tracking offenders (more than 70,000) | 70,000 |
Number of federal, state and local correctional agencies to which company provides monitoring services | 900 |
Number of states in which entity operates | 50 |
Common stock, shares authorized | 125,000,000 | 90,000,000

X
- Definition Correctional, Detention and Residential Treatment Facilities Including Projects Under Development. + References No definition available. + Details
Name: | geo_CorrectionalDetentionAndResidentialTreatmentFacilitiesIncludingProjectsUnderDevelopment
Namespace Prefix: | geo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Beds in Facility Which Has Notice of Intent to Award Contract For + References No definition available. + Details
Name: | geo_NumberofBedsinFacilityWhichHasNoticeofIntenttoAwardContractFor
Namespace Prefix: | geo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of federal, state and local correctional agencies. + References No definition available. + Details
Name: | geo_NumberOfFederalStateAndLocalCorrectionalAgencies
Namespace Prefix: | geo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Provision of monitoring services tracking offenders. + References No definition available. + Details
Name: | geo_ProvisionOfMonitoringServicesTrackingOffenders
Namespace Prefix: | geo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration