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SIGNIFICANT ACCOUNTING POLICIES (Details)	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 property	Jun. 30, 2020 building	Dec. 31, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cash equivalents	$ 6,000,000.0	$ 6,000,000.0		$ 6,000,000.0				$ 5,700,000
Restricted cash	2,700,000	2,700,000		2,700,000				$ 4,700,000
Number of real estate properties held for sale | property						3
Asset impairment charge	$ 845,000	$ 845,674	$ 0	$ 845,674	$ 0
Model Home
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of real estate properties held for sale | property						4
Executive Office Park
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Buildings classified as held for sale | building							1
Total buildings held-for-sale						4	4

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Mortgage Notes Payable, Number Of Buildings

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Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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-Publisher FASB
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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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