Number of assumed loans retired.

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

The number of third party tenants, mortgages and their affiliates who manage and/or operate the entity's properties.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Prepayment penalty percentage.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Prepayment Penalty Reduction Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	ohi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
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-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Data Type:	dtr-types:percentItemType
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Period Type:	instant

- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
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-Subparagraph (d)
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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-SubTopic 10
-Section 45
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-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Weighted average interest rate of long-term debt outstanding calculated over time.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of increase in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from new investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Footnote 6))
-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

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Balance Type:	debit
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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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-Publisher FASB
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-SubTopic 10
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-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=ohi_MortgageLoansGuaranteedByUnitedStatesDepartmentOfHousingAndUrbanDevelopmentMember
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- Details

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- Details

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BORROWING ARRANGEMENTS (HUD Mortgage) (Details) $ in Thousands			12 Months Ended
	Aug. 26, 2020 USD ($) loan	Oct. 31, 2019 USD ($)	Dec. 31, 2021 USD ($) item facility	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Number of real estate properties \| facility			960
Mortgage loans on real estate, new mortgage loans			$ 93,891	$ 149,957	$ 129,108
Number of operators \| item			63
Loss on extinguishment of debt			$ 30,763	$ 13,340
Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member]
Mortgage loans on real estate, new mortgage loans		$ 389,000
Prepayment penalty percentage, first year		10.00%
Prepayment penalty reduction percentage		1.00%
Escrow deposit			$ 27,500
Minimum [Member] \| Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member]
Debt weighted average interest rate		2.82%
Maximum [Member] \| Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member]
Debt weighted average interest rate		3.24%
Secured Debt [Member] \| Hud Mortgage
Debt instrument, interest rate, stated percentage			3.01%
Secured Debt [Member] \| Two Hud Mortgages Assumed [Member]
Repayments of secured debt	$ 13,700
Number of assumed loans retired \| loan	2
Long-term Debt, Weighted Average Interest Rate, over Time	3.08%
Loss on extinguishment of debt	$ 900
Secured Debt [Member] \| Hud Mortgage Assumed Maturity 2051 [Member]
Maturity	2051
Secured Debt [Member] \| Hud Mortgage Assumed Maturity 2052 [Member]
Maturity	2052
Secured Debt [Member] \| Minimum [Member] \| Hud Mortgage
Maturity			2046
Secured Debt [Member] \| Maximum [Member] \| Hud Mortgage
Maturity			2052