Represents stated maturity year of the mortgage loan receivable on real estate.

No definition available.

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

Percentage of mortgage loan fixed annual escalators.

+ References

No definition available.

+ Details

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- Definition

Represents percentage of mortgage loan interest rate increase per annum.

+ References

No definition available.

+ Details

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- Definition

Maturity date of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Paragraph Column C
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column C))
-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

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- Definition

Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
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Balance Type:	na
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- Definition

Number of mortgage loans within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Footnote 3
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

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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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- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) 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

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-URI http://asc.fasb.org/extlink&oid=123605549&loc=d3e21493-158490

+ Details

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

- Definition

Amount, before allowance for credit loss, of financing receivable.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
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-Subparagraph (1)

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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MORTGAGE NOTES RECEIVABLE (Notes Due 2029 Narrative) (Detail) $ in Thousands				1 Months Ended				12 Months Ended	71 Months Ended
	Apr. 01, 2022	May 01, 2020 USD ($) facility	Jun. 14, 2014 USD ($)	Jan. 31, 2022	Jun. 30, 2020 USD ($) facility	May 31, 2020	Jun. 30, 2018 USD ($) facility	Dec. 31, 2021 USD ($) facility loan	Apr. 30, 2020	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 1,459,368
Number of real estate properties \| facility								960
Skilled Nursing Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility								685
Assisted Living Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility								133
Michigan \| 9 Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Write-off of straight-line rent receivable		$ 3,600
Mortgage Note Due 2029 [Member] \| Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 9,300
Maturity year								2023
Mortgage loans on real estate, number of loans \| loan								1
Mortgage Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 908,687			$ 918,558
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 653,564			$ 670,015
Maturity year								2029
Mortgage loans on real estate, interest rate								10.79%
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| 45 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable			$ 653,600
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Master Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 415,000
Maturity year			2029
Mortgage loans on real estate, interest rate			9.00%			10.67%		11.13%	10.13%
Percentage of mortgage loan interest rate increase per annum			0.225%
Debt instrument, interest rate, increase (decrease)						0.54%
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Master Mortgage [Member] \| 25 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 372,800
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Amended Master Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity year								2029
Percentage of mortgage loan interest rate increase per annum								0.225%
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Amended Master Mortgage [Member] \| 5 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 132,400
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Amended Master Mortgage [Member] \| Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate, interest rate								8.50%
Percentage of mortgage loan fixed annual escalators								2.00%
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Amended Master Mortgage [Member] \| Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate, interest rate								10.00%
Percentage of mortgage loan fixed annual escalators								2.50%
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Second Amended Master Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 43,800
Mortgage loans on real estate, interest rate							9.50%	10.18%
Percentage of mortgage loan interest rate increase per annum							0.225%
Mortgage loans on real estate, maturity date							Jun. 30, 2029
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Second Amended Master Mortgage [Member] \| Scenario, Plan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 9,600
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Second Amended Master Mortgage [Member] \| 5 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable							$ 44,700
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Third Amended Master Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate, interest rate								10.52%
Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Third Amended Master Mortgage [Member] \| Michigan \| 9 Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable		$ 83,500						$ 83,200
Mortgage loans on real estate, interest rate		10.31%
Percentage of mortgage loan interest rate increase per annum		2.00%
Mortgage loans on real estate, maturity date		Jun. 30, 2029
Mortgage Receivable [Member] \| Mortgage Note Due 2021 [Member] \| Ohio \| 2 Facilities \| Ciena Healthcare Subsidiaries [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 21,300
Mortgage Receivable [Member] \| One Mortgage Note Due 2022 [Member] \| Ohio \| Ciena Healthcare Subsidiaries [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable					$ 21,300
Mortgage loans on real estate, interest rate					9.50%
Mortgage loans on real estate, maturity date					Mar. 31, 2022
Mortgage Receivable [Member] \| One Mortgage Note Due 2022 [Member] \| Ohio \| Ciena Healthcare Subsidiaries [Member] \| Subsequent Event [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity year				Dec. 31, 2022
Mortgage Receivable [Member] \| One Mortgage Note Due 2022 [Member] \| Ohio \| Ciena Healthcare Subsidiaries [Member] \| Scenario, Plan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate, interest rate	9.74%
Facilities Covered by Mortgage and Used as Collateral [Member] \| Michigan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility							5
Facilities Covered by Mortgage and Used as Collateral [Member] \| Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Michigan \| 9 Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility		9
Facilities Covered by Mortgage and Used as Collateral [Member] \| Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Master Mortgage [Member] \| 25 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility								25
Facilities Covered by Mortgage and Used as Collateral [Member] \| Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Amended Master Mortgage [Member] \| 5 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility								5
Facilities Covered by Mortgage and Used as Collateral [Member] \| Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Third Amended Master Mortgage [Member] \| Michigan \| 9 Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility		1
Facilities Covered by Mortgage and Used as Collateral [Member] \| Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Third Amended Master Mortgage [Member] \| Michigan \| Skilled Nursing Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility		8
Facilities Covered by Mortgage and Used as Collateral [Member] \| Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Third Amended Master Mortgage [Member] \| Michigan \| Assisted Living Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility		1
Facilities Covered by Mortgage and Used as Collateral [Member] \| Mortgage Receivable [Member] \| One Mortgage Note Due 2022 [Member] \| Skilled Nursing Facilities [Member] \| Ciena Healthcare Subsidiaries [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility					1
Facilities Formerly Leased Now Sold [Member] \| Mortgage Receivable [Member] \| Mortgage Note Due 2029 [Member] \| Michigan \| 9 Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties \| facility		9
Facilities Formerly Covered by Mortgage Now Acquired [Member] \| Mortgage Note Due 2029 [Member] \| Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable										$ 13,900