QUARTERLY RESULTS OF OPERATIONS (Details) - USD ($) $ / shares in Units, $ 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
Quarterly Financial Information Disclosure [Abstract]
Operating 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
Total 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
Operating income	140	5,210	3,617	4,918	2,713	5,410	4,828	4,477	2,893	3,795	4,622	3,324	13,885	17,428	14,634
Other (expense) income	(3,508)	5,955	2,678	(6,638)	(11,853)	(9,348)	(15,676)	(10,829)	(10,447)	(9,252)	(8,156)	(8,470)	(1,513)	(47,706)	(36,325)
(Loss) income before gain on sales, non-controlling interest, and taxes	(3,368)	11,165	6,295	(1,720)	(9,140)	(3,938)	(10,848)	(6,352)	(7,554)	(5,457)	(3,534)	(5,146)	183,902	(8,696)	(2,363)
Gain on disposition of 50% interest in VAA	154,126												154,126
Gain (loss) on sale of income producing properties					3,938	12,760			11,283		5,168	(244)
Gain on land sales	3,826	12,243		1,335	3,853	1,062	(476)	445	(805)	555	1,719	1,652	17,404	4,884	3,121
Income tax expense	(418)	(792)			(180)					(46)			1,210	180	46
Net income (loss) from continued operations	154,166	22,616	6,295	(385)	(1,529)	9,884	(11,324)	(5,907)	2,924	(4,948)	3,353	(3,738)	182,692	(8,876)	(2,409)
Net 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)
Less: net (income) loss attributable to non-controlling interest	(6,012)	(2,265)	(441)	(275)	339	(522)	435	193	(1,182)	1,194	(864)	530	8,993	(445)	322
Preferred dividend requirement	(226)	(225)	(225)	(225)	(280)	(275)	(275)	(275)	(276)	(275)	(53)	(497)	(901)	(1,105)	(1,101)
Net income (loss) applicable to common shares	$ 147,928	$ 20,126	$ 5,629	$ (885)	$ (1,470)	$ 9,087	$ (11,164)	$ (5,989)	$ 1,463	$ (4,029)	$ 2,436	$ (3,703)	$ 172,798	$ (9,536)	$ (3,833)
Earnings per share - basic
Loss from continued operations	$ 9.26	$ 1.26	$ 0.35	$ (0.06)	$ (0.09)	$ 0.59	$ (0.72)	$ (0.39)	$ 0.09	$ (0.26)	$ 0.16	$ (0.24)	$ 10.81	$ (0.61)	$ (0.25)
Net income (loss) applicable to common shares	$ 9.26	$ 1.26	$ 0.35	$ (0.06)	$ (0.09)	$ 0.59	$ (0.72)	$ (0.39)	$ 0.09	$ (0.26)	$ 0.16	$ (0.24)
Weighted average common shares used in computing earnings per share	15,997,076	15,997,076	15,997,076	15,938,077	15,514,360	15,514,360	15,514,360	15,514,360	15,514,360	15,514,360	15,514,360	15,514,360	15,982,528	15,514,360	15,514,360
Earnings per share - diluted
Loss from continued operations	$ 9.26	$ 1.26	$ 0.35	$ (0.06)	$ (0.09)	$ 0.59	$ (0.72)	$ (0.39)	$ 0.09	$ (0.26)	$ 0.16	$ (0.24)	$ 10.81	$ (0.61)	$ (0.25)
Net income (loss) applicable to common shares	$ 9.26	$ 1.26	$ 0.35	$ (0.06)	$ (0.09)	$ 0.59	$ (0.72)	$ (0.39)	$ 0.09	$ (0.26)	$ 0.16	$ (0.24)
Weighted average common shares used in computing diluted earnings per share	15,997,076	15,997,076	15,997,076	15,938,077	15,514,360	15,514,360	15,514,360	15,514,360	15,514,360	15,514,360	15,514,360	15,514,360	15,982,528	15,514,360	15,514,360