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LOANS PAYABLE (Schedule of Debt) (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Long-term debt $ 8,736 $ 52,178
Credit Suisse Term Loan Facility [Member]    
Debt Instrument [Line Items]    
Long-term debt 0 43,593
Debt instrument, unamortized discount and debt issuance costs   1,207
Non-recourse Promissory Notes [Member]    
Debt Instrument [Line Items]    
Unamortized discount 1,264 1,415
Non-recourse Promissory Notes [Member] | CNB Credit Agreement [Member]    
Debt Instrument [Line Items]    
Long-term debt $ 8,736 $ 8,585