RECENT REAL ESTATE ACQUISITIONS - Narrative (Details) - Recent Real Estate Acquisitions $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($) property	Dec. 31, 2020 USD ($) property
Business Acquisition [Line Items]
Total revenues from acquired facilities \| $	$ 8.7	$ 12.5
Net income from acquired facilities \| $	$ 0.7	$ 4.8
Tenant origination and absorption costs
Business Acquisition [Line Items]
Weighted-average amortization period of intangible assets	4 years	7 years
Tenant relationships
Business Acquisition [Line Items]
Weighted-average amortization period of intangible assets	23 years	25 years
Senior Housing Facilities
Business Acquisition [Line Items]
Amount previously funded through preferred equity investments \| $		$ 20.7
Senior housing - managed portfolio
Business Acquisition [Line Items]
Number of acquired properties	2	1
Senior housing - leased portfolio
Business Acquisition [Line Items]
Number of acquired properties	1	3
Addiction treatment center
Business Acquisition [Line Items]
Number of acquired properties	2
Skilled Nursing/Transitional Care
Business Acquisition [Line Items]
Number of acquired properties	1

Business Acquisition, Number of Acquired Properties

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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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

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

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- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)(1)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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