INVESTMENT IN REAL ESTATE PROPERTIES - Schedule of Investment in Joint Ventures (Details) $ in Thousands	Mar. 31, 2023 USD ($) property	Dec. 31, 2022 USD ($)
Unconsolidated Joint Venture
Book value	$ 139,402	$ 134,962
Sienna Joint Venture
Unconsolidated Joint Venture
Ownership	50.00%
Book value	$ 119,824	120,269
Marlin Spring Joint Venture
Unconsolidated Joint Venture
Ownership	85.00%
Book value	$ 19,578	$ 14,693
Senior Housing - Managed \| Sienna Joint Venture
Unconsolidated Joint Venture
Number of properties \| property	12
Senior Housing - Managed \| Marlin Spring Joint Venture
Unconsolidated Joint Venture
Number of properties \| property	4

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-Section 50
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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(10))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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- Definition

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

+ References

No definition available.

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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.

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No definition available.

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