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INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES AND INVESTEES (Details 1) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]          
Real estate, net of accumulated depreciation $ 1,010,244 $ 930,647 $ 1,010,244 $ 930,647 $ 988,117
Other assets 56,605   56,605   63,263
Shareholders' equity/partners capital 118,642   118,642   $ 112,074
Revenue 31,607 31,587 62,690 63,409  
Operating expenses 27,990 26,759 54,155 54,103  
Income from continuing operations 6,295 (10,848) 4,575 (17,197)  
Net income 6,295 (11,324) 5,910 (17,228)  
Company's proportionate share of earnings 277 153 597 208  
Gruppa Florentina LLC [Member]          
Schedule of Equity Method Investments [Line Items]          
Real estate, net of accumulated depreciation 13,485 13,578 13,485 13,578  
Notes receivable 10,918 9,969 10,918 9,969  
Other assets 32,290 30,188 32,290 30,188  
Notes payable (10,745) (9,514) (10,745) (9,514)  
Other liabilities (7,775) (7,821) (7,775) (7,821)  
Shareholders' equity/partners capital $ (38,173) $ (36,400) (38,173) (36,400)  
Revenue     27,195 27,458  
Depreciation     (728) (575)  
Operating expenses     (25,630) (25,533)  
Interest expense     (340) (353)  
Income from continuing operations     497 997  
Net income     497 997  
Company's proportionate share of earnings     $ 99 $ 199