OPERATING SEGMENTS (Details 1) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	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, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment operating income	$ (2,038)	$ (1,065)	$ (3,380)	$ (1,253)	$ 521	$ 5,771	$ 4,641	$ 5,188	$ 3,299	$ 5,766	$ 5,842	$ 5,198	$ (7,736)	$ 16,121	$ 20,105
Other non-segment items of income (expense)
General and administrative													(10,951)	(11,359)	(6,269)
Net income fee to related party													(357)	(631)	(250)
Advisory fee to related party													(5,806)	(10,663)	(9,995)
Other income													84	28,150	625
Gain on formation of joint venture					154,126
Foreign currency translation (loss) gain													(15,108)	12,399	(4,536)
(Loss) earnings from joint venture													(2,774)	44
Earnings from other unconsolidated investees													16	1,085	26
Income tax benefit (expense)	(2,000)				2,418	792			180				2,000	(3,210)	(180)
Net (loss) income from continuing operations	$ (6,979)	$ (7,766)	$ (5,966)	$ (5,426)	$ 152,651	$ 23,118	$ 7,372	$ (101)	$ (7,224)	$ 7,170	$ (10,247)	$ (5,015)	(26,137)	183,040	(15,316)
Operating Segments [Member]
Segment operating income													6,759	13,099	5,263
Other non-segment items of income (expense)
General and administrative													(10,951)	(11,359)	(6,269)
Net income fee to related party													(357)	(631)	(250)
Advisory fee to related party													(5,806)	(10,663)	(9,995)
Other income													84	28,150	625
Gain on formation of joint venture														154,126
Foreign currency translation (loss) gain													(15,108)	12,399	(4,536)
(Loss) earnings from joint venture													(2,774)	44
Earnings from other unconsolidated investees													16	1,085	26
Income tax benefit (expense)													2,000	(3,210)	(180)
Net (loss) income from continuing operations													$ (26,137)	$ 183,040	$ (15,316)