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BONDS PAYABLE (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Less; deferred issuance expense, net $ (17,941)  
Accrued Interest 2,199  
Nonconvertible Series A Bonds [Member]    
Notes Payable 110,246 $ 115,336
Nonconvertible Series B Bonds [Member]    
Notes Payable 37,965  
Bonds Series B Expansion [Member]    
Notes Payable 19,934  
Bonds [Member]    
Less; deferred issuance expense, net (8,827) (5,916)
Accrued Interest 1,692 3,627
Bond and bond interest payable $ 161,010 $ 113,047