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FAIR VALUE OF FINANCIAL INSTRUMENTS (Assets and Liabiliites Measured on a Recurring Basis) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Assets:    
Cash equivalents $ 18 $ 75,027
Liabilities    
Warrants 307,760 366,080
Interest rate swaps 4,217 3,144
Level 1    
Assets:    
Cash equivalents 18 75,027
Level 2    
Liabilities    
Interest rate swaps 4,217 3,144
Level 3    
Liabilities    
Warrants $ 307,760 $ 366,080