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LEASE INTANGIBLES (Additional Information) (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Lease intangibles, net	$ 1,020,100	$ 2,105,011	$ 2,861,474
Accumulated amortization	4,301,196	5,526,477	6,164,961
Below-market leases, net	267,337	309,932	495,927
Real Estate Assets Held For Sale
Finite-Lived Intangible Assets [Line Items]
Lease intangibles, net	$ 0	2,300,000	2,500,000
Accumulated amortization		$ 1,400,000	$ 1,500,000
Weighted Average
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, remaining amortization period	1 year 10 months 24 days	2 years 7 months 6 days

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- Definition

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

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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