BONDS AND INTEREST PAYABLE (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Unamortized deferred borrowing costs	$ (19,234)
Accrued Interest	3,559
Bond and bond interest payable	113,047
Nonconvertible Series A Bonds [Member]
Notes Payable	115,336
Unamortized deferred borrowing costs	(5,916)
Accrued Interest	3,627
Bond and bond interest payable	$ 113,047