FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014 item	Dec. 31, 2013
Liabilities
Warrants	$ 469,370	$ 305,560
Number of registered money market mutual funds in cash equivalents	2
Recurring basis | Total Fair Value Measurement
Assets:
Cash equivalents	200,009
Liabilities
Warrants	469,370	305,560
Interest rate swaps	4,076	4,164
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Cash equivalents	200,009
Recurring basis | Significant Other Observable Inputs (Level 2)
Liabilities
Interest rate swaps	4,076	4,164
Recurring basis | Significant Unobservable Inputs (Level 3)
Liabilities
Warrants	$ 469,370	$ 305,560