LOANS PAYABLE AND SECURED LINE OF CREDIT (Details) - 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, 2019	Dec. 31, 2018	Dec. 31, 2017
LOANS PAYABLE AND SECURED LINE OF CREDIT
Interest expense									$ 13,513	$ 6,848	$ 2,488
Interest capitalized									(13,513)	(6,848)	(2,488)
Interest income									(67)	(212)	(215)
Interest income, net	$ (14)	$ (14)	$ (18)	$ (21)	$ (30)	$ (36)	$ (93)	$ (53)	$ (67)	$ (212)	$ (215)