FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
FINANCIAL LIABILITIES
Mortgages payable	$ 632,731
Carrying Amount
FINANCIAL ASSETS
Cash and cash equivalents	8,500	$ 13,792
Mortgage and note receivable	26,697	26,809
FINANCIAL LIABILITIES
Revolving lines of credit	103,143	57,500
Notes payable	270,000	145,000
Mortgages payable	362,731	445,974
Fair Value
FINANCIAL ASSETS
Cash and cash equivalents	8,500	13,792
Mortgage and note receivable	26,697	26,809
FINANCIAL LIABILITIES
Revolving lines of credit	103,143	57,500
Notes payable	270,000	145,000
Mortgages payable	$ 366,144	444,241
Nonrecurring
Fair Value Measurements on a Nonrecurring Basis [Abstract]
Real estate investments		3,049
Nonrecurring \| Level 1
Fair Value Measurements on a Nonrecurring Basis [Abstract]
Real estate investments		0
Nonrecurring \| Level 2
Fair Value Measurements on a Nonrecurring Basis [Abstract]
Real estate investments		0
Nonrecurring \| Level 3
Fair Value Measurements on a Nonrecurring Basis [Abstract]
Real estate investments		$ 3,049

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loan receivable as presented on the statement of financial position which may include investments in land and buildings, excluding real estate considered to be inventory of the entity.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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.

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Fair value portion of contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time.

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Fair value portion of contractual obligation to pay money on demand or on fixed or determinable dates.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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