XML 19 R46.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Dividends declared (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2015 | Feb. 06, 2015 | Nov. 05, 2014 | Aug. 05, 2014 | Apr. 28, 2014 | Feb. 18, 2014
Dividends declared/paid [Abstract] |  |  |  |  |  |
Minimum percentage of taxable income to be distributed as REIT | 90.00%geo_MinimumPercentageOfTaxableIncomeToBeDistributedAsREIT |  |  |  |  |
Distribution Per Share |  | $ 0.62 us-gaap_DividendsPayableAmountPerShare | $ 0.62 us-gaap_DividendsPayableAmountPerShare | $ 0.57 us-gaap_DividendsPayableAmountPerShare | $ 0.57 us-gaap_DividendsPayableAmountPerShare | $ 0.57 us-gaap_DividendsPayableAmountPerShare
Aggregate Payment Amount (in millions) |  | $ 46.0 us-gaap_DividendsPayableCurrentAndNoncurrent | $ 46.0 us-gaap_DividendsPayableCurrentAndNoncurrent | $ 41.4 us-gaap_DividendsPayableCurrentAndNoncurrent | $ 41.5 us-gaap_DividendsPayableCurrentAndNoncurrent | $ 41.1 us-gaap_DividendsPayableCurrentAndNoncurrent

X
- Details
Name: | geo_DividendsdeclaredpaidAbstract
Namespace Prefix: | geo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition MinimumPercentageOfTaxableIncomeToBeDistributedAsREIT + References No definition available. + Details
Name: | geo_MinimumPercentageOfTaxableIncomeToBeDistributedAsREIT
Namespace Prefix: | geo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendsPayableAmountPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_DividendsPayableCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant