SUPPLEMENTAL CASH FLOW AND SIGNIFICANT NONCASH TRANSACTION DISCLOSURES (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Supplemental Disclosure of Cash Flow Information:
Interest paid, net of capitalized interest of $1,656 and $1,389 for the six months ended June 30, 2020 and 2019, respectively	$ 11,367	$ 13,156
Interest capitalized	1,656	1,389
Supplemental Disclosure of Significant Noncash Transactions:
Accrued improvements to real estate	2,175	5,286
Mortgage loan assumed by buyer in connection with sale of real estate	0	23,663
Redeemable common stock payable	267	5,463
Distributions paid to common stockholders through common stock issuances pursuant to the dividend reinvestment plan	262	564
Redemption of Series B Preferred Units in exchange for Series A-3 Preferred Units	0	2,992
Accrued preferred dividends	$ 225	$ 0