XML 25 R10.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Consolidated Statements of Shareholders' Equity (Parenthetical) - USD ($) | Feb. 26, 2020 | Jul. 01, 2021
--- | --- | ---
George C. Zoley | Amended and Restated Executive Retirement Agreement |  |
Deferred compensation arrangement with individual, cash payment |  | $ 3,600,000
Common Stock |  |
Deferred compensation arrangement with individual, value of shares issued | $ 8,925,065 |

X
- Definition Amount of commitment made to pay deferred cash remuneration. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualCashAwardGrantedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total fair value of shares issued during the period under a deferred compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_TitleOfIndividualAxis=geo_GeorgeCZoleyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=geo_AmendedAndRestatedExecutiveRetirementAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |