XML 72 R61.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Impairments (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) property | Mar. 31, 2017 USD ($) property
Impairments |  |
Total provisions for impairment | $ | $ 14.2 | $ 5.4
Number of impaired properties held-for-sale | 5 | 1
Number of impaired properties held-for-investment | 1 | 3
Number of impaired properties sold | 4 | 5

X
- Definition The number of impaired properties held-for-investment. + References No definition available. + Details
Name: | o_ImpairedPropertiesHeldForInvestmentNumber
Namespace Prefix: | o_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of impaired properties held for sale. + References No definition available. + Details
Name: | o_ImpairedPropertiesHeldForSaleNumber
Namespace Prefix: | o_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of impaired properties sold. + References No definition available. + Details
Name: | o_ImpairedPropertiesSoldNumber
Namespace Prefix: | o_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AssetImpairmentChargesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2611-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration