Name:	o_GrantedSharesThatVestedInTheCurrentFiscalYear
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Represents the number of granted shares that vest immediately.

No definition available.

Name:	o_GrantedSharesThatVestImmediately
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Represents the number of granted shares that vest over five year service period.

No definition available.

Name:	o_GrantedSharesThatVestOverFiveYearServicePeriod
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Represents the number of granted shares that vest over four year service period.

No definition available.

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Represents the number of granted shares that vest over future service period.

No definition available.

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Represents the number of granted shares that vest over three year service period.

No definition available.

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Represents the number of granted shares that vest over two year service period.

No definition available.

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Represents the number of shares granted which may vest at the end of the fourth fiscal year following the latest fiscal year, if certain performance metrics are reached.

No definition available.

Name:	o_GrantedSharesWhichMayVestAtEndOfYearFour
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Represents the number of shares granted which may vest at the end of the third fiscal year following the latest fiscal year, if certain performance metrics are reached.

No definition available.

Name:	o_GrantedSharesWhichMayVestAtEndOfYearThree
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Represents the number of shares granted which may vest at the end of the second fiscal year following the latest fiscal year, if certain performance metrics are reached.

No definition available.

Name:	o_GrantedSharesWhichMayVestAtEndOfYearTwo
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Represents the percentage of share-based compensation award value.

No definition available.

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Represents the percentage of share-based compensation award value relative to the MSCI US REIT Index.

No definition available.

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Represents the percentage of share-based compensation award value relative to the NAREIT Freestanding Index.

No definition available.

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Percentage of vesting of share-based compensation awards in specified period one.

No definition available.

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Percentage of vesting of share-based compensation awards in specified period two.

No definition available.

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Represents the age of employees to determine the vesting rights for equity-based payment awards.

No definition available.

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Represents the fair value of share-based awards granted during the period.

No definition available.

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Represents the number of shares of nonvested stock awards to be received after six full months of employment.

No definition available.

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This element represents the period of time from a share-based compensation plan's inception until the point at which no further common stock subject to options, stock purchase rights, stock appreciation rights, or SAR, and other awards may be granted under that specific plan.

No definition available.

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The actual period which an employee has provided service to determine the vesting period of awards granted, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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-Name Accounting Standards Codification

-Topic 718

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-Section S99

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-Subparagraph (SAB TOPIC 14.F)

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

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-Section F

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Unrecognized cost of unvested share-based compensation awards.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Topic 718

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Percentage of vesting of share-based compensation awards.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 718

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-Subparagraph (c)(2)(i)-(ii)

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Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward
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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Gross number of share options (or share units) granted during the period.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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Period Type:	duration

Number of options outstanding, including both vested and non-vested options.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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