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REAL ESTATE INVESTMENTS - Acquired intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
REAL ESTATE INVESTMENTS
Accumulated amortization, Intangible Lease Liabilities	$ 5,191	$ 5,061
Amortization of acquired intangible lease assets/liabilities	952	831	$ 785
Rental income, net
REAL ESTATE INVESTMENTS
Amortization of acquired intangible lease assets/liabilities	952	831	785
Depreciation and amortization
REAL ESTATE INVESTMENTS
Amortization of tenant origination costs	4,821	4,722	$ 4,700
Interest expense
REAL ESTATE INVESTMENTS
Amortization of intangible mortgage assets	114	12
Lease Intangible
REAL ESTATE INVESTMENTS
Accumulated amortization, Intangible Assets	19,377	23,506
Intangible Mortgage Assets
REAL ESTATE INVESTMENTS
Accumulated amortization, Intangible Assets	$ 126	$ 12

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- Definition

Amount of non-cash amortization of intangible mortgage assets.

+ References

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- Definition

The aggregate expense charged against earnings to allocate the cost of origination of in-place leases.

+ References

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- Definition

Amount of non-cash amortization of intangible asset (liability) for above and below market leases.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 15
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480123/805-50-15-3

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- Definition

Amount of accumulated amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

+ References

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(16))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-2

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