BONDS PAYABLE (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Less: deferred issuance expense, net	$ (6,917)	$ (7,342)
Accrued Interest	1,136	773
Bonds (Series A) [Member]
Bonds	80,785	92,653
Bonds (Series B) [Member]
Bonds	39,729	39,844
Bonds (Series B expansion) [Member]
Bonds	20,860	20,920
Bonds (Series C) [Member]
Bonds	79,342	79,572
Bonds [Member]
Bonds	220,716	232,989
Less: deferred issuance expense, net	(8,174)	(9,724)
Total outstanding bonds, net	212,542	223,265
Accrued Interest	5,674	6,457
Total oustanding bonds, net and accrued interest	$ 218,216	$ 229,722