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REAL ESTATE INVESTMENTS - Impairment due to Casualty Loss (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2021	Dec. 31, 2020
Impairment due to Casualty Loss
Impairment due to casualty loss		$ 430,000
Multi-Tenant Property, Lake Charles, Louisiana
Impairment due to Casualty Loss
Impairment due to casualty loss		430,000
Adjustments to accumulated depreciation		352,000
Amount of insurance deductible		250,000
Total claim amount submitted to insurance carrier		1,294,000
Losses in rental income		65,000
Advances from insurance carrier	$ 300,000	150,000
Multi-Tenant Property, Lake Charles, Louisiana | Other Income
Impairment due to Casualty Loss
Receivable for insurance recoveries recognized		$ 430,000

X

- Definition

The total amount of estimated damages filed as in insurance claim, including damage to property.

+ References

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- Definition

The amount of insurance deductible for which the Company is responsible and will be a reduction of the total insurance claim amount to be received.

+ References

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- Definition

Amount of loss in rental income from casualty

+ References

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- Definition

The amount of cash inflow for proceeds from advances on insurance claims settlements.

+ References

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- Definition

Amount of adjustment to accumulated depreciation due to the write-off of property value resulting from casualty loss.

+ References

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- Definition

Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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