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Real Estate Investments - Impairment due to Casualty Loss (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)
Impairment due to Casualty Loss
Impairment due to casualty loss	$ 430,000	$ 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	250,000
Total claim amount submitted to insurance carrier	1,130,000	1,130,000
Advances from insurance carrier	150,000
Multi-Tenant Property, Lake Charles, Louisiana | Other Income
Impairment due to Casualty Loss
Receivable for insurance recoveries recognized	$ 430,000	$ 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

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

No definition available.

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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=6877327&loc=d3e13212-122682

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X

- 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=118932676&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

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