Name:	ohi_BelowMarketLeaseWeightedAverageRemainingAmortizationPeriod
Namespace Prefix:	ohi_
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Balance Type:	na
Period Type:	duration

Finite Lived Intangible Assets Net Amortization Income After Year Five.

No definition available.

Name:	ohi_FiniteLivedIntangibleAssetsNetAmortizationIncomeAfterYearFive
Namespace Prefix:	ohi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Finite Lived Intangible Assets Net Amortization Income Next Twelve Months.

No definition available.

Name:	ohi_FiniteLivedIntangibleAssetsNetAmortizationIncomeNextTwelveMonths
Namespace Prefix:	ohi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Finite Lived Intangible Assets Net Amortization Income Year Five.

No definition available.

Name:	ohi_FiniteLivedIntangibleAssetsNetAmortizationIncomeYearFive
Namespace Prefix:	ohi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Finite Lived Intangible Assets Net Amortization Income Year Four.

No definition available.

Name:	ohi_FiniteLivedIntangibleAssetsNetAmortizationIncomeYearFour
Namespace Prefix:	ohi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Finite Lived Intangible Assets Net Amortization Income Year Three.

No definition available.

Name:	ohi_FiniteLivedIntangibleAssetsNetAmortizationIncomeYearThree
Namespace Prefix:	ohi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Finite Lived Intangible Assets Net Amortization Income Year Two.

No definition available.

Name:	ohi_FiniteLivedIntangibleAssetsNetAmortizationIncomeYearTwo
Namespace Prefix:	ohi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Net amortization of intangible assets.

No definition available.

Name:	ohi_NetAmortizationOfIntangibleAssets
Namespace Prefix:	ohi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.