Potential earnout amount per sales agreement.

No definition available.

Name:	ohi_PotentialEarnoutAmountPerSalesAgreement
Namespace Prefix:	ohi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2443-110228

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230

+ Details

Name:	us-gaap_GainLossOnDispositionOfAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

+ Details

Name:	us-gaap_ImpairmentOfRealEstate
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

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

- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ 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
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585

+ Details

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

- Definition

Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=114868883&loc=SL114871943-224233

+ Details

Name:	us-gaap_UnusualOrInfrequentItemInsuranceProceeds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

ASSETS HELD FOR SALE, DISPOSITIONS AND IMPAIRMENTS (Narrative) (Details) $ in Thousands				1 Months Ended	12 Months Ended
	Feb. 15, 2022 USD ($) facility	Feb. 07, 2022 USD ($) facility	Jan. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) facility	Dec. 31, 2021 USD ($) facility	Dec. 31, 2020 USD ($) facility	Dec. 31, 2019 USD ($) facility
Number of real estate properties \| facility				960	960
Impairment on real estate properties					$ 44,658	$ 75,972	$ 48,939
Facilities Sold
Number of real estate properties \| facility				48	48	43	34
Facilities Sold \| Daybreak [Member]
Number of real estate properties \| facility				4	4
Facilities With Impairment Charges Held For Use [Member]
Number of real estate properties \| facility						11	13
Facilities With Impairment Charges Held For Use [Member] \| Daybreak [Member]
Number of real estate properties \| facility							11
Facilities Intended To Sell Per Agreement [Member] \| Subsequent Event [Member]
Number of real estate properties \| facility		19
Total proceeds		$ 88,800	$ 88,800
Facilities Intended To Sell Per Agreement [Member] \| Gulf Coast LLC [Member]
Number of real estate properties \| facility				22	22
Facilities With Impairments Sold or Classified As Held for Sale [Member]
Number of real estate properties \| facility				14	14	14	9
Facilities That Incurred Damages [Member]
Number of real estate properties \| facility						1	2
1 Facility
Insurance proceeds received that offset impairments						$ 3,500
2 Facilities \| Facilities Sold \| Subsequent Event [Member]
Number of real estate properties \| facility	2
Total proceeds	$ 3,100
2 Facilities \| Facilities That Incurred Damages [Member]
Insurance proceeds received that offset impairments							$ 3,700
9 Facilities [Member]
Impairment on real estate properties							14,500
11 Facilities
Impairment on real estate properties						34,500
13 Facilities
Impairment on real estate properties							34,500
11 of 13 Facilities [Member] \| Daybreak [Member]
Impairment on real estate properties							28,300
14 Facilities
Impairment on real estate properties					$ 44,700	41,500
22 Facilities \| Gulf Coast LLC [Member]
Potential earnout amount per sales agreement				$ 18,700
22 Facilities \| Facilities Classified to Asset Held for Sale [Member]
Number of real estate properties \| facility				22	22
22 Facilities \| Facilities Intended To Sell Per Agreement [Member] \| Gulf Coast LLC [Member]
Total proceeds				$ 317,500
34 Facilities
Total proceeds							219,300
Amount of gain (loss) from sale of facilities							$ 55,700
43 Facilities
Total proceeds						180,900
Amount of gain (loss) from sale of facilities						$ 19,100
48 Facilities
Total proceeds					$ 318,500
Amount of gain (loss) from sale of facilities					$ 161,600