Maturity term.

No definition available.

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- Definition

Maturity term average.

+ References

No definition available.

+ Details

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

- Definition

Prepayment penalty percentage.

+ References

No definition available.

+ Details

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Namespace Prefix:	ohi_
Data Type:	num: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:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Purchase price of assets acquired.

+ References

No definition available.

+ Details

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Namespace Prefix:	ohi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

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

- 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
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of lease payments to be received by lessor for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The fair value of liabilities assumed in noncash investing or financing activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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:	num: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=6589523&loc=d3e617274-123014

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ohi_SkilledNursingFacilitiesMember
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Balance Type:
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- Details

Name:	srt_StatementGeographicalAxis=stpr_AR
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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ohi_AssistedLivingFacilitiesMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ohi_TwelveFacilitiesMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ohi_PropertyCategoryAxis=ohi_FacilitiesAcquiredMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=stpr_NC
Namespace Prefix:
Data Type:	na
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- Details

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BORROWING ARRANGEMENTS (HUD Mortgage) (Details) $ in Thousands			3 Months Ended	12 Months Ended
	Oct. 31, 2019 USD ($) facility	Jun. 01, 2018 USD ($)	Jun. 30, 2018 USD ($) facility	Dec. 31, 2019 USD ($) facility item	Dec. 31, 2018 USD ($) facility	Dec. 31, 2017 USD ($) facility	Jun. 30, 2017 facility
Purchase Price of Assets Acquired	$ 757,000
Number of real estate properties \| facility				987
Mortgage loans on real estate, new mortgage loans				$ 129,108	$ 65,841	$ 34,643
Number of Operators \| item				71
Rent to be received				$ 9,285,659
Write off of Deferred Debt Issuance Cost						$ 10,195
Skilled Nursing Facilities
Number of real estate properties \| facility				784	12
Skilled Nursing Facilities \| Arkansas
Write off of Deferred Debt Issuance Cost			$ 600
Debt weighted average interest rate			3.06%
Debt Instrument, Maturity Date			Jul. 31, 2044
Assisted Living Facilities
Number of real estate properties \| facility				114
12 Facilities
Assumption of HUD mortgages		$ 53,000
12 Facilities \| Arkansas
Assumption of HUD mortgages			$ 53,000
Facilities Acquired [Member]
Number of real estate properties \| facility	60
Facilities Acquired [Member] \| Skilled Nursing Facilities
Number of real estate properties \| facility				89		31
Facilities Acquired [Member] \| Skilled Nursing Facilities \| North Carolina
Number of real estate properties \| facility							1
Facilities Acquired [Member] \| Assisted Living Facilities
Number of real estate properties \| facility				4
Facilities Sold Previously Held-for-Sale [Member] \| Skilled Nursing Facilities \| Arkansas
Number of real estate properties \| facility			12
Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member]
Mortgage loans on real estate, new mortgage loans	$ 389,000
Maturity term average	31 years
Prepayment penalty percentage, first year	10.00%
Prepayment penalty reduction percentage	1.00%
Escrow deposit				$ 25,000
Minimum \| Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member]
Debt weighted average interest rate	2.82%
Maturity term	27 years
Maximum \| Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member]
Debt weighted average interest rate	3.24%
Maturity term	32 years