Represents fair value amount of leased property.

No definition available.

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Period Type:	instant

- Definition

Number of impaired long-lived assets to be disposed.

+ References

No definition available.

+ Details

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- Definition

Represents number of properties added reclassified to held for sale.

+ References

No definition available.

+ Details

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Namespace Prefix:	ohi_
Data Type:	xbrli:integerItemType
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- Definition

Represents number of properties sold.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

Represents number of property reclassified.

+ References

No definition available.

+ Details

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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228

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

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2611-110228

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Balance Type:	debit
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- Definition

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- 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

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

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Name:	us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis=ohi_SpecialtyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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ASSETS HELD FOR SALE (Narrative) (Detail) $ in Millions	12 Months Ended
ASSETS HELD FOR SALE (Narrative) (Detail) $ in Millions	Dec. 31, 2018 USD ($) property	Dec. 31, 2017 USD ($) facility property	Mar. 31, 2017 property
Real Estate Properties [Line Items]
Number of properties sold	48	17
Properties added	29	19
Net proceeds from sale of facilities held for sale \| $	$ 133.6
Gain (loss) from sale of facilities \| $	11.5
Impairment charges \| $	$ 13.0	$ 10.3
Number of facilities impaired	26
Skilled Nursing Facilities
Real Estate Properties [Line Items]
Number of properties sold \| facility		13
Properties added \| facility		17
Net proceeds from sale of facilities held for sale \| $		$ 38.8
Gain (loss) from sale of facilities \| $		$ 4.3
Number of property reclassified		3	1
Fair value of leased properties \| $		$ 5.1
Assisted Living Facilities
Real Estate Properties [Line Items]
Number of properties sold \| facility		3
Properties added \| facility		1
Number of property reclassified		1
Specialty
Real Estate Properties [Line Items]
Properties added \| facility		1
Number of property reclassified		1
Ancillary Building
Real Estate Properties [Line Items]
Number of facilities impaired	1