Debt instrument extension period duration.

No definition available.

Name:	ohi_DebtInstrumentExtensionPeriodDuration
Namespace Prefix:	ohi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument number of available extensions.

+ References

No definition available.

+ Details

Name:	ohi_DebtInstrumentNumberOfAvailableExtensions
Namespace Prefix:	ohi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available facility fee based on entity's debt ratings.

+ References

No definition available.

+ Details

Name:	ohi_LineOfCreditFacilityFacilityFeePercentage
Namespace Prefix:	ohi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents amount of credit facility to be drawn.

+ References

No definition available.

+ Details

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

- Definition

Represents amount of credit facility to be drawn.

+ References

No definition available.

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

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+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Indicates type of variable interest rate on debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 3
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+ Details

Name:	us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=ohi_TermLoanDue2028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ohi_OmegaCreditAgreement2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ohi_AlternativeCurrenciesSublimitAmountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CurrencyAxis=currency_EUR
Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CurrencyAxis=currency_USD
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Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

BORROWING ARRANGEMENTS (Revolving Credit Facility and 2028 Term Loan) (Details) - Unsecured Debt [Member] $ in Millions			12 Months Ended
	Sep. 30, 2025 USD ($) item	Apr. 30, 2021 USD ($)	Dec. 31, 2025
Term Loan 2028
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 300.0
Description of variable rate basis	SOFR
Debt instrument, maturity date	Sep. 29, 2028
Debt instrument number of available extensions \| item	2
Debt instrument extension period duration	12 months
Debt issuance costs, gross	$ 2.0
Term Loan 2028 \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.80%
Term Loan 2028 \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.60%
Omega Credit Agreement 2025 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 3,000.0
Debt issuance costs, gross	19.8
Alternative Currencies Sublimit
Debt Instrument [Line Items]
Maximum borrowing capacity	600.0
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 1,450.0
Description of variable rate basis		SOFR
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]			us-gaap:SecuredOvernightFinancingRateSofrMember
Revolving credit facility to be drawn in Alternative Currencies or U.S. Dollars in tranche one		$ 1,150.0
Revolving credit facility to be drawn in Alternative Currencies or U.S. Dollars in tranche two		$ 300.0
Debt instrument, maturity date		Apr. 30, 2025
Revolving Credit Facility \| Euro Member Countries, Euro
Debt Instrument [Line Items]
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]			ohi:EuroInterbankOfferedRateMember
Revolving Credit Facility \| United Kingdom, Pounds
Debt Instrument [Line Items]
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]		ohi:SterlingOvernightIndexAverageReferenceRateMember
Basis spread on variable rate		0.1193%
Revolving Credit Facility \| United States of America, Dollars
Debt Instrument [Line Items]
Basis spread on variable rate		0.11448%
Revolving Credit Facility \| Minimum [Member] \| Euro Member Countries, Euro
Debt Instrument [Line Items]
Basis spread on variable rate		0.95%
Revolving Credit Facility \| Maximum [Member] \| Euro Member Countries, Euro
Debt Instrument [Line Items]
Basis spread on variable rate		1.85%
Revolving Credit Facility \| Revolving Credit Facility Due 2029 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 2,000.0
Description of variable rate basis	SOFR
Basis spread on variable rate			1.05%
Debt instrument, maturity date	Sep. 28, 2029
Debt instrument number of available extensions \| item	2
Debt instrument extension period duration	6 months
Revolving Credit Facility \| Revolving Credit Facility Due 2029 [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.725%
Facility fee based on debt ratings, percentage	0.125%
Revolving Credit Facility \| Revolving Credit Facility Due 2029 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.40%
Facility fee based on debt ratings, percentage	0.30%