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LEASES - As Lessor (Details)	3 Months Ended		6 Months Ended		12 Months Ended	22 Months Ended	30 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($) item
Lessor Accounting
Operating Lease, option to extend			true
Operating Lease, option to terminate			true
Practical expedient, single lease component	false		false			false	false
Components of lease revenues
Fixed lease revenues	$ 18,405,000	$ 17,435,000	$ 36,746,000	$ 34,900,000
Variable lease revenues	2,860,000	2,662,000	5,861,000	5,649,000
Lease revenues	21,265,000	20,097,000	42,607,000	40,549,000
Amortization of intangibles relating to leases, net	207,000	$ 208,000	396,000	$ 440,000
COVID-19 | Tenants, excluding Regal Cinemas
Additional disclosures
Deferred lease rent					$ 3,360,000
Repayments of COVID-19 related deferred rent							$ 3,261,000
Percentage of deferred rent that has been repaid							97.10%
COVID-19 | Tenants, excluding Regal Cinemas | Rents expected to be collected during the remainder of 2022 through January 2023
Additional disclosures
Deferred rents outstanding	88,000		88,000			$ 88,000	$ 88,000
COVID-19 | Regal Cinemas
Additional disclosures
Number of properties included in lease amendment | item								2
Repayments of COVID-19 related deferred rent						$ 483,000
Percentage of deferred rent that has been repaid						33.30%
COVID-19 | Regal Cinemas | Rents originally payable from September 2020 to August 2021
Additional disclosures
Lease income deferred but not accrued	966,000		966,000			$ 966,000	966,000	$ 1,449,000
COVID-19 | Regal Cinemas | Rents expected to be collected during the remainder of 2022 through June 2023
Additional disclosures
Deferred rents outstanding	$ 966,000		$ 966,000			$ 966,000	$ 966,000

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The number of real estate properties included in a lease amendment.

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. Excluding amortization related to lease intangible assets and liabilities.

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

+ References

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-Publisher FASB
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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