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FAIR VALUE OF FINANCIAL INSTRUMENTS (Reconciliation of Warrants Using Level 3 Inputs) (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3)      
Exercise of Management Warrants $ 30,935,000    
Fair Value, Inputs, Level 3 [Member]      
Reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3)      
Marketability discount due to lapses of restriction period 0    
Warrant [Member] | Fair Value, Inputs, Level 3 [Member]      
Reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3)      
Balance at the beginning of the period 332,170,000 $ 307,760,000 $ 307,760,000
Warrant liability loss 12,562,000 (29,820,000)  
Exercise of Management Warrants (30,935,000)    
Balance at the end of the period 313,797,000 $ 277,940,000 $ 332,170,000
Marketability discount due to lapses of restriction period $ 0.0    
Expected Volatility (as a percent) 24.10%   31.00%
Warrant [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member]      
Reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3)      
Discount for lack of marketability (as a percent)     0.00%
Warrant [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member]      
Reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3)      
Discount for lack of marketability (as a percent)     1.00%