BONDS PAYABLE (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Less: deferred issuance expense, net	$ (7,189)	$ (7,342)
Accrued Interest	899	773
Bonds (Series A) [Member]
Bonds	78,541	92,653
Bonds (Series B) [Member]
Bonds	38,626	39,844
Bonds (Series B expansion) [Member]
Bonds	20,281	20,920
Bonds (Series C) [Member]
Bonds	77,139	79,572
Bonds [Member]
Bonds	214,587	232,989
Less: deferred issuance expense, net	(8,946)	(9,724)
Total outstanding bonds, net	205,641	223,265
Accrued Interest	2,191	6,457
Total oustanding bonds, net and accrued interest	$ 207,832	$ 229,722