INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES AND INVESTEES (Details 1) - USD ($) $ in Thousands		3 Months Ended												12 Months Ended
		Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Real estate, net of accumulated depreciation		$ 381,043				$ 988,117								$ 381,043	$ 988,117
Other assets		66,055				63,263								66,055	63,263
Shareholders' equity/partners capital		258,325				112,074								258,325	112,074
Revenue		24,857	$ 33,409	$ 31,607	$ 31,083	31,005	$ 31,807	$ 31,587	$ 31,822	$ 29,557	$ 30,067	$ 30,834	$ 29,205	120,956	126,221	$ 119,663
Operating expenses		24,717	28,199	27,990	26,165	28,292	26,397	26,759	27,345	26,664	26,272	26,212	25,881	107,071	108,793	105,029
Income (loss) from continuing operations														12,372	(30,278)	(21,691)
Income (loss) from discontinued operations										(3)			2			(1)
Net income (loss)		154,166	$ 22,616	$ 6,295	$ (385)	(1,529)	$ 9,884	$ (11,324)	$ (5,907)	2,921	$ (4,948)	$ 3,353	$ (3,736)	182,692	(8,876)	(2,410)
Company's proportionate share of earnings														1,469	309	493
Gruppa Florentina LLC [Member]
Real estate, net of accumulated depreciation		13,810				12,587				13,641				13,810	12,587	13,641
Notes receivable		11,238				2,724				9,561				11,238	2,724	9,561
Other assets		32,566				32,176				31,135				32,566	32,176	31,135
Notes payable		(11,287)				(17,845)				(9,834)				(11,287)	(17,845)	(9,834)
Other liabilities		(7,320)				(5,991)				(8,284)				(7,320)	(5,991)	(8,284)
Shareholders' equity/partners capital		$ (39,007)				$ (23,651)				$ (36,219)				(39,007)	(23,651)	(36,219)
Revenue														53,834	38,747	54,264
Depreciation														(1,456)	(1,279)	(1,150)
Operating expenses														(49,647)	(35,410)	(49,856)
Interest expense														(673)	(1,065)	(793)
Income (loss) from continuing operations														2,058	993	2,465
Net income (loss)														2,058	993	2,465
Company's proportionate share of earnings	[1]													$ 412	$ 199	$ 493

[1] Earnings represent continued and discontinued operations